mirror of
git://source.winehq.org/git/wine.git
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10250 lines
261 KiB
C
10250 lines
261 KiB
C
/*
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* tree.c : implementation of access function for an XML tree.
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*
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* References:
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* XHTML 1.0 W3C REC: http://www.w3.org/TR/2002/REC-xhtml1-20020801/
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*
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* See Copyright for the status of this software.
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*
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* daniel@veillard.com
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*
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*/
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/* To avoid EBCDIC trouble when parsing on zOS */
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#if defined(__MVS__)
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#pragma convert("ISO8859-1")
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#endif
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#define IN_LIBXML
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#include "libxml.h"
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#include <string.h> /* for memset() only ! */
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#include <stddef.h>
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#include <limits.h>
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#include <ctype.h>
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#include <stdlib.h>
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#ifdef LIBXML_ZLIB_ENABLED
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#include <zlib.h>
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#endif
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#include <libxml/xmlmemory.h>
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#include <libxml/tree.h>
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#include <libxml/parser.h>
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#include <libxml/uri.h>
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#include <libxml/entities.h>
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#include <libxml/valid.h>
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#include <libxml/xmlerror.h>
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#include <libxml/parserInternals.h>
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#include <libxml/globals.h>
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#ifdef LIBXML_HTML_ENABLED
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#include <libxml/HTMLtree.h>
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#endif
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#ifdef LIBXML_DEBUG_ENABLED
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#include <libxml/debugXML.h>
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#endif
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#include "buf.h"
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#include "save.h"
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int __xmlRegisterCallbacks = 0;
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/************************************************************************
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* *
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* Forward declarations *
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* *
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************************************************************************/
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static xmlNsPtr
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xmlNewReconciledNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns);
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static xmlChar* xmlGetPropNodeValueInternal(const xmlAttr *prop);
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/************************************************************************
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* *
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* Tree memory error handler *
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* *
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************************************************************************/
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/**
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* xmlTreeErrMemory:
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* @extra: extra information
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*
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* Handle an out of memory condition
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*/
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static void
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xmlTreeErrMemory(const char *extra)
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{
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__xmlSimpleError(XML_FROM_TREE, XML_ERR_NO_MEMORY, NULL, NULL, extra);
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}
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/**
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* xmlTreeErr:
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* @code: the error number
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* @extra: extra information
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*
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* Handle an out of memory condition
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*/
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static void
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xmlTreeErr(int code, xmlNodePtr node, const char *extra)
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{
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const char *msg = NULL;
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switch(code) {
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case XML_TREE_INVALID_HEX:
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msg = "invalid hexadecimal character value\n";
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break;
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case XML_TREE_INVALID_DEC:
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msg = "invalid decimal character value\n";
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break;
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case XML_TREE_UNTERMINATED_ENTITY:
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msg = "unterminated entity reference %15s\n";
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break;
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case XML_TREE_NOT_UTF8:
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msg = "string is not in UTF-8\n";
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break;
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default:
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msg = "unexpected error number\n";
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}
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__xmlSimpleError(XML_FROM_TREE, code, node, msg, extra);
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}
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/************************************************************************
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* *
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* A few static variables and macros *
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* *
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************************************************************************/
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/* #undef xmlStringText */
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const xmlChar xmlStringText[] = { 't', 'e', 'x', 't', 0 };
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/* #undef xmlStringTextNoenc */
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const xmlChar xmlStringTextNoenc[] =
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{ 't', 'e', 'x', 't', 'n', 'o', 'e', 'n', 'c', 0 };
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/* #undef xmlStringComment */
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const xmlChar xmlStringComment[] = { 'c', 'o', 'm', 'm', 'e', 'n', 't', 0 };
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static int xmlCompressMode = 0;
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static int xmlCheckDTD = 1;
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#define UPDATE_LAST_CHILD_AND_PARENT(n) if ((n) != NULL) { \
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xmlNodePtr ulccur = (n)->children; \
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if (ulccur == NULL) { \
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(n)->last = NULL; \
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} else { \
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while (ulccur->next != NULL) { \
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ulccur->parent = (n); \
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ulccur = ulccur->next; \
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} \
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ulccur->parent = (n); \
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(n)->last = ulccur; \
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}}
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#define IS_STR_XML(str) ((str != NULL) && (str[0] == 'x') && \
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(str[1] == 'm') && (str[2] == 'l') && (str[3] == 0))
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/* #define DEBUG_BUFFER */
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/* #define DEBUG_TREE */
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/************************************************************************
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* *
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* Functions to move to entities.c once the *
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* API freeze is smoothen and they can be made public. *
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* *
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************************************************************************/
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#include <libxml/hash.h>
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#ifdef LIBXML_TREE_ENABLED
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/**
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* xmlGetEntityFromDtd:
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* @dtd: A pointer to the DTD to search
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* @name: The entity name
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*
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* Do an entity lookup in the DTD entity hash table and
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* return the corresponding entity, if found.
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*
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* Returns A pointer to the entity structure or NULL if not found.
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*/
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static xmlEntityPtr
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xmlGetEntityFromDtd(const xmlDtd *dtd, const xmlChar *name) {
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xmlEntitiesTablePtr table;
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if((dtd != NULL) && (dtd->entities != NULL)) {
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table = (xmlEntitiesTablePtr) dtd->entities;
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return((xmlEntityPtr) xmlHashLookup(table, name));
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/* return(xmlGetEntityFromTable(table, name)); */
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}
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return(NULL);
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}
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/**
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* xmlGetParameterEntityFromDtd:
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* @dtd: A pointer to the DTD to search
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* @name: The entity name
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*
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* Do an entity lookup in the DTD parameter entity hash table and
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* return the corresponding entity, if found.
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*
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* Returns A pointer to the entity structure or NULL if not found.
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*/
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static xmlEntityPtr
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xmlGetParameterEntityFromDtd(const xmlDtd *dtd, const xmlChar *name) {
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xmlEntitiesTablePtr table;
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if ((dtd != NULL) && (dtd->pentities != NULL)) {
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table = (xmlEntitiesTablePtr) dtd->pentities;
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return((xmlEntityPtr) xmlHashLookup(table, name));
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/* return(xmlGetEntityFromTable(table, name)); */
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}
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return(NULL);
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}
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#endif /* LIBXML_TREE_ENABLED */
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/************************************************************************
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* *
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* QName handling helper *
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* *
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************************************************************************/
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/**
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* xmlBuildQName:
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* @ncname: the Name
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* @prefix: the prefix
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* @memory: preallocated memory
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* @len: preallocated memory length
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*
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* Builds the QName @prefix:@ncname in @memory if there is enough space
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* and prefix is not NULL nor empty, otherwise allocate a new string.
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* If prefix is NULL or empty it returns ncname.
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*
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* Returns the new string which must be freed by the caller if different from
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* @memory and @ncname or NULL in case of error
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*/
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xmlChar *
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xmlBuildQName(const xmlChar *ncname, const xmlChar *prefix,
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xmlChar *memory, int len) {
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int lenn, lenp;
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xmlChar *ret;
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if (ncname == NULL) return(NULL);
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if (prefix == NULL) return((xmlChar *) ncname);
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lenn = strlen((char *) ncname);
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lenp = strlen((char *) prefix);
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if ((memory == NULL) || (len < lenn + lenp + 2)) {
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ret = (xmlChar *) xmlMallocAtomic(lenn + lenp + 2);
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if (ret == NULL) {
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xmlTreeErrMemory("building QName");
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return(NULL);
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}
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} else {
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ret = memory;
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}
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memcpy(&ret[0], prefix, lenp);
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ret[lenp] = ':';
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memcpy(&ret[lenp + 1], ncname, lenn);
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ret[lenn + lenp + 1] = 0;
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return(ret);
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}
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/**
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* xmlSplitQName2:
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* @name: the full QName
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* @prefix: a xmlChar **
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*
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* parse an XML qualified name string
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*
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* [NS 5] QName ::= (Prefix ':')? LocalPart
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*
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* [NS 6] Prefix ::= NCName
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*
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* [NS 7] LocalPart ::= NCName
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*
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* Returns NULL if the name doesn't have a prefix. Otherwise, returns the
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* local part, and prefix is updated to get the Prefix. Both the return value
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* and the prefix must be freed by the caller.
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*/
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xmlChar *
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xmlSplitQName2(const xmlChar *name, xmlChar **prefix) {
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int len = 0;
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xmlChar *ret = NULL;
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if (prefix == NULL) return(NULL);
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*prefix = NULL;
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if (name == NULL) return(NULL);
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#ifndef XML_XML_NAMESPACE
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/* xml: prefix is not really a namespace */
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if ((name[0] == 'x') && (name[1] == 'm') &&
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(name[2] == 'l') && (name[3] == ':'))
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return(NULL);
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#endif
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/* nasty but valid */
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if (name[0] == ':')
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return(NULL);
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/*
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* we are not trying to validate but just to cut, and yes it will
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* work even if this is as set of UTF-8 encoded chars
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*/
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while ((name[len] != 0) && (name[len] != ':'))
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len++;
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if (name[len] == 0)
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return(NULL);
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*prefix = xmlStrndup(name, len);
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if (*prefix == NULL) {
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xmlTreeErrMemory("QName split");
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return(NULL);
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}
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ret = xmlStrdup(&name[len + 1]);
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if (ret == NULL) {
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xmlTreeErrMemory("QName split");
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if (*prefix != NULL) {
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xmlFree(*prefix);
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*prefix = NULL;
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}
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return(NULL);
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}
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return(ret);
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}
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/**
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* xmlSplitQName3:
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* @name: the full QName
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* @len: an int *
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*
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* parse an XML qualified name string,i
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*
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* returns NULL if it is not a Qualified Name, otherwise, update len
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* with the length in byte of the prefix and return a pointer
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* to the start of the name without the prefix
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*/
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const xmlChar *
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xmlSplitQName3(const xmlChar *name, int *len) {
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int l = 0;
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if (name == NULL) return(NULL);
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if (len == NULL) return(NULL);
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/* nasty but valid */
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if (name[0] == ':')
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return(NULL);
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|
|
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/*
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* we are not trying to validate but just to cut, and yes it will
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* work even if this is as set of UTF-8 encoded chars
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*/
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while ((name[l] != 0) && (name[l] != ':'))
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l++;
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if (name[l] == 0)
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return(NULL);
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*len = l;
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return(&name[l+1]);
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}
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/************************************************************************
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* *
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* Check Name, NCName and QName strings *
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* *
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************************************************************************/
|
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#define CUR_SCHAR(s, l) xmlStringCurrentChar(NULL, s, &l)
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#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_DEBUG_ENABLED) || defined (LIBXML_HTML_ENABLED) || defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_LEGACY_ENABLED)
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/**
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* xmlValidateNCName:
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* @value: the value to check
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* @space: allow spaces in front and end of the string
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*
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|
* Check that a value conforms to the lexical space of NCName
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*
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* Returns 0 if this validates, a positive error code number otherwise
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* and -1 in case of internal or API error.
|
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*/
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int
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xmlValidateNCName(const xmlChar *value, int space) {
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const xmlChar *cur = value;
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int c,l;
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|
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if (value == NULL)
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return(-1);
|
|
|
|
/*
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* First quick algorithm for ASCII range
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*/
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if (space)
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while (IS_BLANK_CH(*cur)) cur++;
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if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) ||
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(*cur == '_'))
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cur++;
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else
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goto try_complex;
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while (((*cur >= 'a') && (*cur <= 'z')) ||
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((*cur >= 'A') && (*cur <= 'Z')) ||
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((*cur >= '0') && (*cur <= '9')) ||
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(*cur == '_') || (*cur == '-') || (*cur == '.'))
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cur++;
|
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if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
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|
if (*cur == 0)
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|
return(0);
|
|
|
|
try_complex:
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|
/*
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|
* Second check for chars outside the ASCII range
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|
*/
|
|
cur = value;
|
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c = CUR_SCHAR(cur, l);
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if ((!IS_LETTER(c)) && (c != '_'))
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|
return(1);
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) ||
|
|
IS_EXTENDER(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (c != 0)
|
|
return(1);
|
|
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlValidateQName:
|
|
* @value: the value to check
|
|
* @space: allow spaces in front and end of the string
|
|
*
|
|
* Check that a value conforms to the lexical space of QName
|
|
*
|
|
* Returns 0 if this validates, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlValidateQName(const xmlChar *value, int space) {
|
|
const xmlChar *cur = value;
|
|
int c,l;
|
|
|
|
if (value == NULL)
|
|
return(-1);
|
|
/*
|
|
* First quick algorithm for ASCII range
|
|
*/
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
(*cur == '_'))
|
|
cur++;
|
|
else
|
|
goto try_complex;
|
|
while (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
((*cur >= '0') && (*cur <= '9')) ||
|
|
(*cur == '_') || (*cur == '-') || (*cur == '.'))
|
|
cur++;
|
|
if (*cur == ':') {
|
|
cur++;
|
|
if (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
(*cur == '_'))
|
|
cur++;
|
|
else
|
|
goto try_complex;
|
|
while (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
((*cur >= '0') && (*cur <= '9')) ||
|
|
(*cur == '_') || (*cur == '-') || (*cur == '.'))
|
|
cur++;
|
|
}
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (*cur == 0)
|
|
return(0);
|
|
|
|
try_complex:
|
|
/*
|
|
* Second check for chars outside the ASCII range
|
|
*/
|
|
cur = value;
|
|
c = CUR_SCHAR(cur, l);
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if ((!IS_LETTER(c)) && (c != '_'))
|
|
return(1);
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) ||
|
|
IS_EXTENDER(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
if (c == ':') {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
if ((!IS_LETTER(c)) && (c != '_'))
|
|
return(1);
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) ||
|
|
IS_EXTENDER(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (c != 0)
|
|
return(1);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlValidateName:
|
|
* @value: the value to check
|
|
* @space: allow spaces in front and end of the string
|
|
*
|
|
* Check that a value conforms to the lexical space of Name
|
|
*
|
|
* Returns 0 if this validates, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlValidateName(const xmlChar *value, int space) {
|
|
const xmlChar *cur = value;
|
|
int c,l;
|
|
|
|
if (value == NULL)
|
|
return(-1);
|
|
/*
|
|
* First quick algorithm for ASCII range
|
|
*/
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
(*cur == '_') || (*cur == ':'))
|
|
cur++;
|
|
else
|
|
goto try_complex;
|
|
while (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
((*cur >= '0') && (*cur <= '9')) ||
|
|
(*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':'))
|
|
cur++;
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (*cur == 0)
|
|
return(0);
|
|
|
|
try_complex:
|
|
/*
|
|
* Second check for chars outside the ASCII range
|
|
*/
|
|
cur = value;
|
|
c = CUR_SCHAR(cur, l);
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if ((!IS_LETTER(c)) && (c != '_') && (c != ':'))
|
|
return(1);
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (c != 0)
|
|
return(1);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlValidateNMToken:
|
|
* @value: the value to check
|
|
* @space: allow spaces in front and end of the string
|
|
*
|
|
* Check that a value conforms to the lexical space of NMToken
|
|
*
|
|
* Returns 0 if this validates, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlValidateNMToken(const xmlChar *value, int space) {
|
|
const xmlChar *cur = value;
|
|
int c,l;
|
|
|
|
if (value == NULL)
|
|
return(-1);
|
|
/*
|
|
* First quick algorithm for ASCII range
|
|
*/
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
((*cur >= '0') && (*cur <= '9')) ||
|
|
(*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':'))
|
|
cur++;
|
|
else
|
|
goto try_complex;
|
|
while (((*cur >= 'a') && (*cur <= 'z')) ||
|
|
((*cur >= 'A') && (*cur <= 'Z')) ||
|
|
((*cur >= '0') && (*cur <= '9')) ||
|
|
(*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':'))
|
|
cur++;
|
|
if (space)
|
|
while (IS_BLANK_CH(*cur)) cur++;
|
|
if (*cur == 0)
|
|
return(0);
|
|
|
|
try_complex:
|
|
/*
|
|
* Second check for chars outside the ASCII range
|
|
*/
|
|
cur = value;
|
|
c = CUR_SCHAR(cur, l);
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (!(IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c)))
|
|
return(1);
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') ||
|
|
(c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
if (space) {
|
|
while (IS_BLANK(c)) {
|
|
cur += l;
|
|
c = CUR_SCHAR(cur, l);
|
|
}
|
|
}
|
|
if (c != 0)
|
|
return(1);
|
|
return(0);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Allocation and deallocation of basic structures *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlSetBufferAllocationScheme:
|
|
* @scheme: allocation method to use
|
|
*
|
|
* Set the buffer allocation method. Types are
|
|
* XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down
|
|
* XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed,
|
|
* improves performance
|
|
*/
|
|
void
|
|
xmlSetBufferAllocationScheme(xmlBufferAllocationScheme scheme) {
|
|
if ((scheme == XML_BUFFER_ALLOC_EXACT) ||
|
|
(scheme == XML_BUFFER_ALLOC_DOUBLEIT) ||
|
|
(scheme == XML_BUFFER_ALLOC_HYBRID))
|
|
xmlBufferAllocScheme = scheme;
|
|
}
|
|
|
|
/**
|
|
* xmlGetBufferAllocationScheme:
|
|
*
|
|
* Types are
|
|
* XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down
|
|
* XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed,
|
|
* improves performance
|
|
* XML_BUFFER_ALLOC_HYBRID - use exact sizes on small strings to keep memory usage tight
|
|
* in normal usage, and doubleit on large strings to avoid
|
|
* pathological performance.
|
|
*
|
|
* Returns the current allocation scheme
|
|
*/
|
|
xmlBufferAllocationScheme
|
|
xmlGetBufferAllocationScheme(void) {
|
|
return(xmlBufferAllocScheme);
|
|
}
|
|
|
|
/**
|
|
* xmlNewNs:
|
|
* @node: the element carrying the namespace
|
|
* @href: the URI associated
|
|
* @prefix: the prefix for the namespace
|
|
*
|
|
* Creation of a new Namespace. This function will refuse to create
|
|
* a namespace with a similar prefix than an existing one present on this
|
|
* node.
|
|
* Note that for a default namespace, @prefix should be NULL.
|
|
*
|
|
* We use href==NULL in the case of an element creation where the namespace
|
|
* was not defined.
|
|
*
|
|
* Returns a new namespace pointer or NULL
|
|
*/
|
|
xmlNsPtr
|
|
xmlNewNs(xmlNodePtr node, const xmlChar *href, const xmlChar *prefix) {
|
|
xmlNsPtr cur;
|
|
|
|
if ((node != NULL) && (node->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
|
|
if ((prefix != NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
|
|
/* xml namespace is predefined, no need to add it */
|
|
if (xmlStrEqual(href, XML_XML_NAMESPACE))
|
|
return(NULL);
|
|
|
|
/*
|
|
* Problem, this is an attempt to bind xml prefix to a wrong
|
|
* namespace, which breaks
|
|
* Namespace constraint: Reserved Prefixes and Namespace Names
|
|
* from XML namespace. But documents authors may not care in
|
|
* their context so let's proceed.
|
|
*/
|
|
}
|
|
|
|
/*
|
|
* Allocate a new Namespace and fill the fields.
|
|
*/
|
|
cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building namespace");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNs));
|
|
cur->type = XML_LOCAL_NAMESPACE;
|
|
|
|
if (href != NULL)
|
|
cur->href = xmlStrdup(href);
|
|
if (prefix != NULL)
|
|
cur->prefix = xmlStrdup(prefix);
|
|
|
|
/*
|
|
* Add it at the end to preserve parsing order ...
|
|
* and checks for existing use of the prefix
|
|
*/
|
|
if (node != NULL) {
|
|
if (node->nsDef == NULL) {
|
|
node->nsDef = cur;
|
|
} else {
|
|
xmlNsPtr prev = node->nsDef;
|
|
|
|
if (((prev->prefix == NULL) && (cur->prefix == NULL)) ||
|
|
(xmlStrEqual(prev->prefix, cur->prefix))) {
|
|
xmlFreeNs(cur);
|
|
return(NULL);
|
|
}
|
|
while (prev->next != NULL) {
|
|
prev = prev->next;
|
|
if (((prev->prefix == NULL) && (cur->prefix == NULL)) ||
|
|
(xmlStrEqual(prev->prefix, cur->prefix))) {
|
|
xmlFreeNs(cur);
|
|
return(NULL);
|
|
}
|
|
}
|
|
prev->next = cur;
|
|
}
|
|
}
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlSetNs:
|
|
* @node: a node in the document
|
|
* @ns: a namespace pointer
|
|
*
|
|
* Associate a namespace to a node, a posteriori.
|
|
*/
|
|
void
|
|
xmlSetNs(xmlNodePtr node, xmlNsPtr ns) {
|
|
if (node == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlSetNs: node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if ((node->type == XML_ELEMENT_NODE) ||
|
|
(node->type == XML_ATTRIBUTE_NODE))
|
|
node->ns = ns;
|
|
}
|
|
|
|
/**
|
|
* xmlFreeNs:
|
|
* @cur: the namespace pointer
|
|
*
|
|
* Free up the structures associated to a namespace
|
|
*/
|
|
void
|
|
xmlFreeNs(xmlNsPtr cur) {
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlFreeNs : ns == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if (cur->href != NULL) xmlFree((char *) cur->href);
|
|
if (cur->prefix != NULL) xmlFree((char *) cur->prefix);
|
|
xmlFree(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlFreeNsList:
|
|
* @cur: the first namespace pointer
|
|
*
|
|
* Free up all the structures associated to the chained namespaces.
|
|
*/
|
|
void
|
|
xmlFreeNsList(xmlNsPtr cur) {
|
|
xmlNsPtr next;
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlFreeNsList : ns == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
while (cur != NULL) {
|
|
next = cur->next;
|
|
xmlFreeNs(cur);
|
|
cur = next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlNewDtd:
|
|
* @doc: the document pointer
|
|
* @name: the DTD name
|
|
* @ExternalID: the external ID
|
|
* @SystemID: the system ID
|
|
*
|
|
* Creation of a new DTD for the external subset. To create an
|
|
* internal subset, use xmlCreateIntSubset().
|
|
*
|
|
* Returns a pointer to the new DTD structure
|
|
*/
|
|
xmlDtdPtr
|
|
xmlNewDtd(xmlDocPtr doc, const xmlChar *name,
|
|
const xmlChar *ExternalID, const xmlChar *SystemID) {
|
|
xmlDtdPtr cur;
|
|
|
|
if ((doc != NULL) && (doc->extSubset != NULL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewDtd(%s): document %s already have a DTD %s\n",
|
|
/* !!! */ (char *) name, doc->name,
|
|
/* !!! */ (char *)doc->extSubset->name);
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new DTD and fill the fields.
|
|
*/
|
|
cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building DTD");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0 , sizeof(xmlDtd));
|
|
cur->type = XML_DTD_NODE;
|
|
|
|
if (name != NULL)
|
|
cur->name = xmlStrdup(name);
|
|
if (ExternalID != NULL)
|
|
cur->ExternalID = xmlStrdup(ExternalID);
|
|
if (SystemID != NULL)
|
|
cur->SystemID = xmlStrdup(SystemID);
|
|
if (doc != NULL)
|
|
doc->extSubset = cur;
|
|
cur->doc = doc;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlGetIntSubset:
|
|
* @doc: the document pointer
|
|
*
|
|
* Get the internal subset of a document
|
|
* Returns a pointer to the DTD structure or NULL if not found
|
|
*/
|
|
|
|
xmlDtdPtr
|
|
xmlGetIntSubset(const xmlDoc *doc) {
|
|
xmlNodePtr cur;
|
|
|
|
if (doc == NULL)
|
|
return(NULL);
|
|
cur = doc->children;
|
|
while (cur != NULL) {
|
|
if (cur->type == XML_DTD_NODE)
|
|
return((xmlDtdPtr) cur);
|
|
cur = cur->next;
|
|
}
|
|
return((xmlDtdPtr) doc->intSubset);
|
|
}
|
|
|
|
/**
|
|
* xmlCreateIntSubset:
|
|
* @doc: the document pointer
|
|
* @name: the DTD name
|
|
* @ExternalID: the external (PUBLIC) ID
|
|
* @SystemID: the system ID
|
|
*
|
|
* Create the internal subset of a document
|
|
* Returns a pointer to the new DTD structure
|
|
*/
|
|
xmlDtdPtr
|
|
xmlCreateIntSubset(xmlDocPtr doc, const xmlChar *name,
|
|
const xmlChar *ExternalID, const xmlChar *SystemID) {
|
|
xmlDtdPtr cur;
|
|
|
|
if ((doc != NULL) && (xmlGetIntSubset(doc) != NULL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
|
|
"xmlCreateIntSubset(): document %s already have an internal subset\n",
|
|
doc->name);
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new DTD and fill the fields.
|
|
*/
|
|
cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building internal subset");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlDtd));
|
|
cur->type = XML_DTD_NODE;
|
|
|
|
if (name != NULL) {
|
|
cur->name = xmlStrdup(name);
|
|
if (cur->name == NULL) {
|
|
xmlTreeErrMemory("building internal subset");
|
|
xmlFree(cur);
|
|
return(NULL);
|
|
}
|
|
}
|
|
if (ExternalID != NULL) {
|
|
cur->ExternalID = xmlStrdup(ExternalID);
|
|
if (cur->ExternalID == NULL) {
|
|
xmlTreeErrMemory("building internal subset");
|
|
if (cur->name != NULL)
|
|
xmlFree((char *)cur->name);
|
|
xmlFree(cur);
|
|
return(NULL);
|
|
}
|
|
}
|
|
if (SystemID != NULL) {
|
|
cur->SystemID = xmlStrdup(SystemID);
|
|
if (cur->SystemID == NULL) {
|
|
xmlTreeErrMemory("building internal subset");
|
|
if (cur->name != NULL)
|
|
xmlFree((char *)cur->name);
|
|
if (cur->ExternalID != NULL)
|
|
xmlFree((char *)cur->ExternalID);
|
|
xmlFree(cur);
|
|
return(NULL);
|
|
}
|
|
}
|
|
if (doc != NULL) {
|
|
doc->intSubset = cur;
|
|
cur->parent = doc;
|
|
cur->doc = doc;
|
|
if (doc->children == NULL) {
|
|
doc->children = (xmlNodePtr) cur;
|
|
doc->last = (xmlNodePtr) cur;
|
|
} else {
|
|
if (doc->type == XML_HTML_DOCUMENT_NODE) {
|
|
xmlNodePtr prev;
|
|
|
|
prev = doc->children;
|
|
prev->prev = (xmlNodePtr) cur;
|
|
cur->next = prev;
|
|
doc->children = (xmlNodePtr) cur;
|
|
} else {
|
|
xmlNodePtr next;
|
|
|
|
next = doc->children;
|
|
while ((next != NULL) && (next->type != XML_ELEMENT_NODE))
|
|
next = next->next;
|
|
if (next == NULL) {
|
|
cur->prev = doc->last;
|
|
cur->prev->next = (xmlNodePtr) cur;
|
|
cur->next = NULL;
|
|
doc->last = (xmlNodePtr) cur;
|
|
} else {
|
|
cur->next = next;
|
|
cur->prev = next->prev;
|
|
if (cur->prev == NULL)
|
|
doc->children = (xmlNodePtr) cur;
|
|
else
|
|
cur->prev->next = (xmlNodePtr) cur;
|
|
next->prev = (xmlNodePtr) cur;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* DICT_FREE:
|
|
* @str: a string
|
|
*
|
|
* Free a string if it is not owned by the "dict" dictionary in the
|
|
* current scope
|
|
*/
|
|
#define DICT_FREE(str) \
|
|
if ((str) && ((!dict) || \
|
|
(xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \
|
|
xmlFree((char *)(str));
|
|
|
|
|
|
/**
|
|
* DICT_COPY:
|
|
* @str: a string
|
|
*
|
|
* Copy a string using a "dict" dictionary in the current scope,
|
|
* if available.
|
|
*/
|
|
#define DICT_COPY(str, cpy) \
|
|
if (str) { \
|
|
if (dict) { \
|
|
if (xmlDictOwns(dict, (const xmlChar *)(str))) \
|
|
cpy = (xmlChar *) (str); \
|
|
else \
|
|
cpy = (xmlChar *) xmlDictLookup((dict), (const xmlChar *)(str), -1); \
|
|
} else \
|
|
cpy = xmlStrdup((const xmlChar *)(str)); }
|
|
|
|
/**
|
|
* DICT_CONST_COPY:
|
|
* @str: a string
|
|
*
|
|
* Copy a string using a "dict" dictionary in the current scope,
|
|
* if available.
|
|
*/
|
|
#define DICT_CONST_COPY(str, cpy) \
|
|
if (str) { \
|
|
if (dict) { \
|
|
if (xmlDictOwns(dict, (const xmlChar *)(str))) \
|
|
cpy = (const xmlChar *) (str); \
|
|
else \
|
|
cpy = xmlDictLookup((dict), (const xmlChar *)(str), -1); \
|
|
} else \
|
|
cpy = (const xmlChar *) xmlStrdup((const xmlChar *)(str)); }
|
|
|
|
|
|
/**
|
|
* xmlFreeDtd:
|
|
* @cur: the DTD structure to free up
|
|
*
|
|
* Free a DTD structure.
|
|
*/
|
|
void
|
|
xmlFreeDtd(xmlDtdPtr cur) {
|
|
xmlDictPtr dict = NULL;
|
|
|
|
if (cur == NULL) {
|
|
return;
|
|
}
|
|
if (cur->doc != NULL) dict = cur->doc->dict;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
|
|
xmlDeregisterNodeDefaultValue((xmlNodePtr)cur);
|
|
|
|
if (cur->children != NULL) {
|
|
xmlNodePtr next, c = cur->children;
|
|
|
|
/*
|
|
* Cleanup all nodes which are not part of the specific lists
|
|
* of notations, elements, attributes and entities.
|
|
*/
|
|
while (c != NULL) {
|
|
next = c->next;
|
|
if ((c->type != XML_NOTATION_NODE) &&
|
|
(c->type != XML_ELEMENT_DECL) &&
|
|
(c->type != XML_ATTRIBUTE_DECL) &&
|
|
(c->type != XML_ENTITY_DECL)) {
|
|
xmlUnlinkNode(c);
|
|
xmlFreeNode(c);
|
|
}
|
|
c = next;
|
|
}
|
|
}
|
|
DICT_FREE(cur->name)
|
|
DICT_FREE(cur->SystemID)
|
|
DICT_FREE(cur->ExternalID)
|
|
/* TODO !!! */
|
|
if (cur->notations != NULL)
|
|
xmlFreeNotationTable((xmlNotationTablePtr) cur->notations);
|
|
|
|
if (cur->elements != NULL)
|
|
xmlFreeElementTable((xmlElementTablePtr) cur->elements);
|
|
if (cur->attributes != NULL)
|
|
xmlFreeAttributeTable((xmlAttributeTablePtr) cur->attributes);
|
|
if (cur->entities != NULL)
|
|
xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->entities);
|
|
if (cur->pentities != NULL)
|
|
xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->pentities);
|
|
|
|
xmlFree(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDoc:
|
|
* @version: xmlChar string giving the version of XML "1.0"
|
|
*
|
|
* Creates a new XML document
|
|
*
|
|
* Returns a new document
|
|
*/
|
|
xmlDocPtr
|
|
xmlNewDoc(const xmlChar *version) {
|
|
xmlDocPtr cur;
|
|
|
|
if (version == NULL)
|
|
version = (const xmlChar *) "1.0";
|
|
|
|
/*
|
|
* Allocate a new document and fill the fields.
|
|
*/
|
|
cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building doc");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlDoc));
|
|
cur->type = XML_DOCUMENT_NODE;
|
|
|
|
cur->version = xmlStrdup(version);
|
|
if (cur->version == NULL) {
|
|
xmlTreeErrMemory("building doc");
|
|
xmlFree(cur);
|
|
return(NULL);
|
|
}
|
|
cur->standalone = -1;
|
|
cur->compression = -1; /* not initialized */
|
|
cur->doc = cur;
|
|
cur->parseFlags = 0;
|
|
cur->properties = XML_DOC_USERBUILT;
|
|
/*
|
|
* The in memory encoding is always UTF8
|
|
* This field will never change and would
|
|
* be obsolete if not for binary compatibility.
|
|
*/
|
|
cur->charset = XML_CHAR_ENCODING_UTF8;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlFreeDoc:
|
|
* @cur: pointer to the document
|
|
*
|
|
* Free up all the structures used by a document, tree included.
|
|
*/
|
|
void
|
|
xmlFreeDoc(xmlDocPtr cur) {
|
|
xmlDtdPtr extSubset, intSubset;
|
|
xmlDictPtr dict = NULL;
|
|
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlFreeDoc : document == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
#ifdef LIBXML_DEBUG_RUNTIME
|
|
#ifdef LIBXML_DEBUG_ENABLED
|
|
xmlDebugCheckDocument(stderr, cur);
|
|
#endif
|
|
#endif
|
|
|
|
if (cur != NULL) dict = cur->dict;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
|
|
xmlDeregisterNodeDefaultValue((xmlNodePtr)cur);
|
|
|
|
/*
|
|
* Do this before freeing the children list to avoid ID lookups
|
|
*/
|
|
if (cur->ids != NULL) xmlFreeIDTable((xmlIDTablePtr) cur->ids);
|
|
cur->ids = NULL;
|
|
if (cur->refs != NULL) xmlFreeRefTable((xmlRefTablePtr) cur->refs);
|
|
cur->refs = NULL;
|
|
extSubset = cur->extSubset;
|
|
intSubset = cur->intSubset;
|
|
if (intSubset == extSubset)
|
|
extSubset = NULL;
|
|
if (extSubset != NULL) {
|
|
xmlUnlinkNode((xmlNodePtr) cur->extSubset);
|
|
cur->extSubset = NULL;
|
|
xmlFreeDtd(extSubset);
|
|
}
|
|
if (intSubset != NULL) {
|
|
xmlUnlinkNode((xmlNodePtr) cur->intSubset);
|
|
cur->intSubset = NULL;
|
|
xmlFreeDtd(intSubset);
|
|
}
|
|
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
if (cur->oldNs != NULL) xmlFreeNsList(cur->oldNs);
|
|
|
|
DICT_FREE(cur->version)
|
|
DICT_FREE(cur->name)
|
|
DICT_FREE(cur->encoding)
|
|
DICT_FREE(cur->URL)
|
|
xmlFree(cur);
|
|
if (dict) xmlDictFree(dict);
|
|
}
|
|
|
|
/**
|
|
* xmlStringLenGetNodeList:
|
|
* @doc: the document
|
|
* @value: the value of the text
|
|
* @len: the length of the string value
|
|
*
|
|
* Parse the value string and build the node list associated. Should
|
|
* produce a flat tree with only TEXTs and ENTITY_REFs.
|
|
* Returns a pointer to the first child
|
|
*/
|
|
xmlNodePtr
|
|
xmlStringLenGetNodeList(const xmlDoc *doc, const xmlChar *value, int len) {
|
|
xmlNodePtr ret = NULL, last = NULL;
|
|
xmlNodePtr node;
|
|
xmlChar *val;
|
|
const xmlChar *cur, *end;
|
|
const xmlChar *q;
|
|
xmlEntityPtr ent;
|
|
xmlBufPtr buf;
|
|
|
|
if (value == NULL) return(NULL);
|
|
cur = value;
|
|
end = cur + len;
|
|
|
|
buf = xmlBufCreateSize(0);
|
|
if (buf == NULL) return(NULL);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
|
|
q = cur;
|
|
while ((cur < end) && (*cur != 0)) {
|
|
if (cur[0] == '&') {
|
|
int charval = 0;
|
|
xmlChar tmp;
|
|
|
|
/*
|
|
* Save the current text.
|
|
*/
|
|
if (cur != q) {
|
|
if (xmlBufAdd(buf, q, cur - q))
|
|
goto out;
|
|
}
|
|
q = cur;
|
|
if ((cur + 2 < end) && (cur[1] == '#') && (cur[2] == 'x')) {
|
|
cur += 3;
|
|
if (cur < end)
|
|
tmp = *cur;
|
|
else
|
|
tmp = 0;
|
|
while (tmp != ';') { /* Non input consuming loop */
|
|
/*
|
|
* If you find an integer overflow here when fuzzing,
|
|
* the bug is probably elsewhere. This function should
|
|
* only receive entities that were already validated by
|
|
* the parser, typically by xmlParseAttValueComplex
|
|
* calling xmlStringDecodeEntities.
|
|
*
|
|
* So it's better *not* to check for overflow to
|
|
* potentially discover new bugs.
|
|
*/
|
|
if ((tmp >= '0') && (tmp <= '9'))
|
|
charval = charval * 16 + (tmp - '0');
|
|
else if ((tmp >= 'a') && (tmp <= 'f'))
|
|
charval = charval * 16 + (tmp - 'a') + 10;
|
|
else if ((tmp >= 'A') && (tmp <= 'F'))
|
|
charval = charval * 16 + (tmp - 'A') + 10;
|
|
else {
|
|
xmlTreeErr(XML_TREE_INVALID_HEX, (xmlNodePtr) doc,
|
|
NULL);
|
|
charval = 0;
|
|
break;
|
|
}
|
|
cur++;
|
|
if (cur < end)
|
|
tmp = *cur;
|
|
else
|
|
tmp = 0;
|
|
}
|
|
if (tmp == ';')
|
|
cur++;
|
|
q = cur;
|
|
} else if ((cur + 1 < end) && (cur[1] == '#')) {
|
|
cur += 2;
|
|
if (cur < end)
|
|
tmp = *cur;
|
|
else
|
|
tmp = 0;
|
|
while (tmp != ';') { /* Non input consuming loops */
|
|
/* Don't check for integer overflow, see above. */
|
|
if ((tmp >= '0') && (tmp <= '9'))
|
|
charval = charval * 10 + (tmp - '0');
|
|
else {
|
|
xmlTreeErr(XML_TREE_INVALID_DEC, (xmlNodePtr) doc,
|
|
NULL);
|
|
charval = 0;
|
|
break;
|
|
}
|
|
cur++;
|
|
if (cur < end)
|
|
tmp = *cur;
|
|
else
|
|
tmp = 0;
|
|
}
|
|
if (tmp == ';')
|
|
cur++;
|
|
q = cur;
|
|
} else {
|
|
/*
|
|
* Read the entity string
|
|
*/
|
|
cur++;
|
|
q = cur;
|
|
while ((cur < end) && (*cur != 0) && (*cur != ';')) cur++;
|
|
if ((cur >= end) || (*cur == 0)) {
|
|
xmlTreeErr(XML_TREE_UNTERMINATED_ENTITY, (xmlNodePtr) doc,
|
|
(const char *) q);
|
|
goto out;
|
|
}
|
|
if (cur != q) {
|
|
/*
|
|
* Predefined entities don't generate nodes
|
|
*/
|
|
val = xmlStrndup(q, cur - q);
|
|
ent = xmlGetDocEntity(doc, val);
|
|
if ((ent != NULL) &&
|
|
(ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) {
|
|
|
|
if (xmlBufCat(buf, ent->content))
|
|
goto out;
|
|
|
|
} else {
|
|
/*
|
|
* Flush buffer so far
|
|
*/
|
|
if (!xmlBufIsEmpty(buf)) {
|
|
node = xmlNewDocText(doc, NULL);
|
|
if (node == NULL) {
|
|
if (val != NULL) xmlFree(val);
|
|
goto out;
|
|
}
|
|
node->content = xmlBufDetach(buf);
|
|
|
|
if (last == NULL) {
|
|
last = ret = node;
|
|
} else {
|
|
last = xmlAddNextSibling(last, node);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a new REFERENCE_REF node
|
|
*/
|
|
node = xmlNewReference(doc, val);
|
|
if (node == NULL) {
|
|
if (val != NULL) xmlFree(val);
|
|
goto out;
|
|
}
|
|
else if ((ent != NULL) && (ent->children == NULL)) {
|
|
xmlNodePtr temp;
|
|
|
|
/* Set to non-NULL value to avoid recursion. */
|
|
ent->children = (xmlNodePtr) -1;
|
|
ent->children = xmlStringGetNodeList(doc,
|
|
(const xmlChar*)node->content);
|
|
ent->owner = 1;
|
|
temp = ent->children;
|
|
while (temp) {
|
|
temp->parent = (xmlNodePtr)ent;
|
|
ent->last = temp;
|
|
temp = temp->next;
|
|
}
|
|
}
|
|
if (last == NULL) {
|
|
last = ret = node;
|
|
} else {
|
|
last = xmlAddNextSibling(last, node);
|
|
}
|
|
}
|
|
xmlFree(val);
|
|
}
|
|
cur++;
|
|
q = cur;
|
|
}
|
|
if (charval != 0) {
|
|
xmlChar buffer[10];
|
|
int l;
|
|
|
|
l = xmlCopyCharMultiByte(buffer, charval);
|
|
buffer[l] = 0;
|
|
|
|
if (xmlBufCat(buf, buffer))
|
|
goto out;
|
|
charval = 0;
|
|
}
|
|
} else
|
|
cur++;
|
|
}
|
|
|
|
if (cur != q) {
|
|
/*
|
|
* Handle the last piece of text.
|
|
*/
|
|
if (xmlBufAdd(buf, q, cur - q))
|
|
goto out;
|
|
}
|
|
|
|
if (!xmlBufIsEmpty(buf)) {
|
|
node = xmlNewDocText(doc, NULL);
|
|
if (node == NULL) goto out;
|
|
node->content = xmlBufDetach(buf);
|
|
|
|
if (last == NULL) {
|
|
ret = node;
|
|
} else {
|
|
xmlAddNextSibling(last, node);
|
|
}
|
|
} else if (ret == NULL) {
|
|
ret = xmlNewDocText(doc, BAD_CAST "");
|
|
}
|
|
|
|
out:
|
|
xmlBufFree(buf);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlStringGetNodeList:
|
|
* @doc: the document
|
|
* @value: the value of the attribute
|
|
*
|
|
* Parse the value string and build the node list associated. Should
|
|
* produce a flat tree with only TEXTs and ENTITY_REFs.
|
|
* Returns a pointer to the first child
|
|
*/
|
|
xmlNodePtr
|
|
xmlStringGetNodeList(const xmlDoc *doc, const xmlChar *value) {
|
|
xmlNodePtr ret = NULL, last = NULL;
|
|
xmlNodePtr node;
|
|
xmlChar *val;
|
|
const xmlChar *cur = value;
|
|
const xmlChar *q;
|
|
xmlEntityPtr ent;
|
|
xmlBufPtr buf;
|
|
|
|
if (value == NULL) return(NULL);
|
|
|
|
buf = xmlBufCreateSize(0);
|
|
if (buf == NULL) return(NULL);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
|
|
q = cur;
|
|
while (*cur != 0) {
|
|
if (cur[0] == '&') {
|
|
int charval = 0;
|
|
xmlChar tmp;
|
|
|
|
/*
|
|
* Save the current text.
|
|
*/
|
|
if (cur != q) {
|
|
if (xmlBufAdd(buf, q, cur - q))
|
|
goto out;
|
|
}
|
|
q = cur;
|
|
if ((cur[1] == '#') && (cur[2] == 'x')) {
|
|
cur += 3;
|
|
tmp = *cur;
|
|
while (tmp != ';') { /* Non input consuming loop */
|
|
/* Don't check for integer overflow, see above. */
|
|
if ((tmp >= '0') && (tmp <= '9'))
|
|
charval = charval * 16 + (tmp - '0');
|
|
else if ((tmp >= 'a') && (tmp <= 'f'))
|
|
charval = charval * 16 + (tmp - 'a') + 10;
|
|
else if ((tmp >= 'A') && (tmp <= 'F'))
|
|
charval = charval * 16 + (tmp - 'A') + 10;
|
|
else {
|
|
xmlTreeErr(XML_TREE_INVALID_HEX, (xmlNodePtr) doc,
|
|
NULL);
|
|
charval = 0;
|
|
break;
|
|
}
|
|
cur++;
|
|
tmp = *cur;
|
|
}
|
|
if (tmp == ';')
|
|
cur++;
|
|
q = cur;
|
|
} else if (cur[1] == '#') {
|
|
cur += 2;
|
|
tmp = *cur;
|
|
while (tmp != ';') { /* Non input consuming loops */
|
|
/* Don't check for integer overflow, see above. */
|
|
if ((tmp >= '0') && (tmp <= '9'))
|
|
charval = charval * 10 + (tmp - '0');
|
|
else {
|
|
xmlTreeErr(XML_TREE_INVALID_DEC, (xmlNodePtr) doc,
|
|
NULL);
|
|
charval = 0;
|
|
break;
|
|
}
|
|
cur++;
|
|
tmp = *cur;
|
|
}
|
|
if (tmp == ';')
|
|
cur++;
|
|
q = cur;
|
|
} else {
|
|
/*
|
|
* Read the entity string
|
|
*/
|
|
cur++;
|
|
q = cur;
|
|
while ((*cur != 0) && (*cur != ';')) cur++;
|
|
if (*cur == 0) {
|
|
xmlTreeErr(XML_TREE_UNTERMINATED_ENTITY,
|
|
(xmlNodePtr) doc, (const char *) q);
|
|
goto out;
|
|
}
|
|
if (cur != q) {
|
|
/*
|
|
* Predefined entities don't generate nodes
|
|
*/
|
|
val = xmlStrndup(q, cur - q);
|
|
ent = xmlGetDocEntity(doc, val);
|
|
if ((ent != NULL) &&
|
|
(ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) {
|
|
|
|
if (xmlBufCat(buf, ent->content))
|
|
goto out;
|
|
|
|
} else {
|
|
/*
|
|
* Flush buffer so far
|
|
*/
|
|
if (!xmlBufIsEmpty(buf)) {
|
|
node = xmlNewDocText(doc, NULL);
|
|
if (node == NULL) {
|
|
if (val != NULL) xmlFree(val);
|
|
goto out;
|
|
}
|
|
node->content = xmlBufDetach(buf);
|
|
|
|
if (last == NULL) {
|
|
last = ret = node;
|
|
} else {
|
|
last = xmlAddNextSibling(last, node);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a new REFERENCE_REF node
|
|
*/
|
|
node = xmlNewReference(doc, val);
|
|
if (node == NULL) {
|
|
if (val != NULL) xmlFree(val);
|
|
goto out;
|
|
}
|
|
else if ((ent != NULL) && (ent->children == NULL)) {
|
|
xmlNodePtr temp;
|
|
|
|
/* Set to non-NULL value to avoid recursion. */
|
|
ent->children = (xmlNodePtr) -1;
|
|
ent->children = xmlStringGetNodeList(doc,
|
|
(const xmlChar*)node->content);
|
|
ent->owner = 1;
|
|
temp = ent->children;
|
|
while (temp) {
|
|
temp->parent = (xmlNodePtr)ent;
|
|
ent->last = temp;
|
|
temp = temp->next;
|
|
}
|
|
}
|
|
if (last == NULL) {
|
|
last = ret = node;
|
|
} else {
|
|
last = xmlAddNextSibling(last, node);
|
|
}
|
|
}
|
|
xmlFree(val);
|
|
}
|
|
cur++;
|
|
q = cur;
|
|
}
|
|
if (charval != 0) {
|
|
xmlChar buffer[10];
|
|
int len;
|
|
|
|
len = xmlCopyCharMultiByte(buffer, charval);
|
|
buffer[len] = 0;
|
|
|
|
if (xmlBufCat(buf, buffer))
|
|
goto out;
|
|
charval = 0;
|
|
}
|
|
} else
|
|
cur++;
|
|
}
|
|
if ((cur != q) || (ret == NULL)) {
|
|
/*
|
|
* Handle the last piece of text.
|
|
*/
|
|
xmlBufAdd(buf, q, cur - q);
|
|
}
|
|
|
|
if (!xmlBufIsEmpty(buf)) {
|
|
node = xmlNewDocText(doc, NULL);
|
|
if (node == NULL) {
|
|
xmlBufFree(buf);
|
|
return(NULL);
|
|
}
|
|
node->content = xmlBufDetach(buf);
|
|
|
|
if (last == NULL) {
|
|
ret = node;
|
|
} else {
|
|
xmlAddNextSibling(last, node);
|
|
}
|
|
}
|
|
|
|
out:
|
|
xmlBufFree(buf);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlNodeListGetString:
|
|
* @doc: the document
|
|
* @list: a Node list
|
|
* @inLine: should we replace entity contents or show their external form
|
|
*
|
|
* Build the string equivalent to the text contained in the Node list
|
|
* made of TEXTs and ENTITY_REFs
|
|
*
|
|
* Returns a pointer to the string copy, the caller must free it with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlNodeListGetString(xmlDocPtr doc, const xmlNode *list, int inLine)
|
|
{
|
|
const xmlNode *node = list;
|
|
xmlChar *ret = NULL;
|
|
xmlEntityPtr ent;
|
|
int attr;
|
|
|
|
if (list == NULL)
|
|
return (NULL);
|
|
if ((list->parent != NULL) && (list->parent->type == XML_ATTRIBUTE_NODE))
|
|
attr = 1;
|
|
else
|
|
attr = 0;
|
|
|
|
while (node != NULL) {
|
|
if ((node->type == XML_TEXT_NODE) ||
|
|
(node->type == XML_CDATA_SECTION_NODE)) {
|
|
if (inLine) {
|
|
ret = xmlStrcat(ret, node->content);
|
|
} else {
|
|
xmlChar *buffer;
|
|
|
|
if (attr)
|
|
buffer = xmlEncodeAttributeEntities(doc, node->content);
|
|
else
|
|
buffer = xmlEncodeEntitiesReentrant(doc, node->content);
|
|
if (buffer != NULL) {
|
|
ret = xmlStrcat(ret, buffer);
|
|
xmlFree(buffer);
|
|
}
|
|
}
|
|
} else if (node->type == XML_ENTITY_REF_NODE) {
|
|
if (inLine) {
|
|
ent = xmlGetDocEntity(doc, node->name);
|
|
if (ent != NULL) {
|
|
xmlChar *buffer;
|
|
|
|
/* an entity content can be any "well balanced chunk",
|
|
* i.e. the result of the content [43] production:
|
|
* http://www.w3.org/TR/REC-xml#NT-content.
|
|
* So it can contain text, CDATA section or nested
|
|
* entity reference nodes (among others).
|
|
* -> we recursive call xmlNodeListGetString()
|
|
* which handles these types */
|
|
buffer = xmlNodeListGetString(doc, ent->children, 1);
|
|
if (buffer != NULL) {
|
|
ret = xmlStrcat(ret, buffer);
|
|
xmlFree(buffer);
|
|
}
|
|
} else {
|
|
ret = xmlStrcat(ret, node->content);
|
|
}
|
|
} else {
|
|
xmlChar buf[2];
|
|
|
|
buf[0] = '&';
|
|
buf[1] = 0;
|
|
ret = xmlStrncat(ret, buf, 1);
|
|
ret = xmlStrcat(ret, node->name);
|
|
buf[0] = ';';
|
|
buf[1] = 0;
|
|
ret = xmlStrncat(ret, buf, 1);
|
|
}
|
|
}
|
|
#if 0
|
|
else {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlGetNodeListString : invalid node type %d\n",
|
|
node->type);
|
|
}
|
|
#endif
|
|
node = node->next;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNodeListGetRawString:
|
|
* @doc: the document
|
|
* @list: a Node list
|
|
* @inLine: should we replace entity contents or show their external form
|
|
*
|
|
* Builds the string equivalent to the text contained in the Node list
|
|
* made of TEXTs and ENTITY_REFs, contrary to xmlNodeListGetString()
|
|
* this function doesn't do any character encoding handling.
|
|
*
|
|
* Returns a pointer to the string copy, the caller must free it with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlNodeListGetRawString(const xmlDoc *doc, const xmlNode *list, int inLine)
|
|
{
|
|
const xmlNode *node = list;
|
|
xmlChar *ret = NULL;
|
|
xmlEntityPtr ent;
|
|
|
|
if (list == NULL)
|
|
return (NULL);
|
|
|
|
while (node != NULL) {
|
|
if ((node->type == XML_TEXT_NODE) ||
|
|
(node->type == XML_CDATA_SECTION_NODE)) {
|
|
if (inLine) {
|
|
ret = xmlStrcat(ret, node->content);
|
|
} else {
|
|
xmlChar *buffer;
|
|
|
|
buffer = xmlEncodeSpecialChars(doc, node->content);
|
|
if (buffer != NULL) {
|
|
ret = xmlStrcat(ret, buffer);
|
|
xmlFree(buffer);
|
|
}
|
|
}
|
|
} else if (node->type == XML_ENTITY_REF_NODE) {
|
|
if (inLine) {
|
|
ent = xmlGetDocEntity(doc, node->name);
|
|
if (ent != NULL) {
|
|
xmlChar *buffer;
|
|
|
|
/* an entity content can be any "well balanced chunk",
|
|
* i.e. the result of the content [43] production:
|
|
* http://www.w3.org/TR/REC-xml#NT-content.
|
|
* So it can contain text, CDATA section or nested
|
|
* entity reference nodes (among others).
|
|
* -> we recursive call xmlNodeListGetRawString()
|
|
* which handles these types */
|
|
buffer =
|
|
xmlNodeListGetRawString(doc, ent->children, 1);
|
|
if (buffer != NULL) {
|
|
ret = xmlStrcat(ret, buffer);
|
|
xmlFree(buffer);
|
|
}
|
|
} else {
|
|
ret = xmlStrcat(ret, node->content);
|
|
}
|
|
} else {
|
|
xmlChar buf[2];
|
|
|
|
buf[0] = '&';
|
|
buf[1] = 0;
|
|
ret = xmlStrncat(ret, buf, 1);
|
|
ret = xmlStrcat(ret, node->name);
|
|
buf[0] = ';';
|
|
buf[1] = 0;
|
|
ret = xmlStrncat(ret, buf, 1);
|
|
}
|
|
}
|
|
#if 0
|
|
else {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlGetNodeListString : invalid node type %d\n",
|
|
node->type);
|
|
}
|
|
#endif
|
|
node = node->next;
|
|
}
|
|
return (ret);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
static xmlAttrPtr
|
|
xmlNewPropInternal(xmlNodePtr node, xmlNsPtr ns,
|
|
const xmlChar * name, const xmlChar * value,
|
|
int eatname)
|
|
{
|
|
xmlAttrPtr cur;
|
|
xmlDocPtr doc = NULL;
|
|
|
|
if ((node != NULL) && (node->type != XML_ELEMENT_NODE)) {
|
|
if ((eatname == 1) &&
|
|
((node->doc == NULL) ||
|
|
(!(xmlDictOwns(node->doc->dict, name)))))
|
|
xmlFree((xmlChar *) name);
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new property and fill the fields.
|
|
*/
|
|
cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr));
|
|
if (cur == NULL) {
|
|
if ((eatname == 1) &&
|
|
((node == NULL) || (node->doc == NULL) ||
|
|
(!(xmlDictOwns(node->doc->dict, name)))))
|
|
xmlFree((xmlChar *) name);
|
|
xmlTreeErrMemory("building attribute");
|
|
return (NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlAttr));
|
|
cur->type = XML_ATTRIBUTE_NODE;
|
|
|
|
cur->parent = node;
|
|
if (node != NULL) {
|
|
doc = node->doc;
|
|
cur->doc = doc;
|
|
}
|
|
cur->ns = ns;
|
|
|
|
if (eatname == 0) {
|
|
if ((doc != NULL) && (doc->dict != NULL))
|
|
cur->name = (xmlChar *) xmlDictLookup(doc->dict, name, -1);
|
|
else
|
|
cur->name = xmlStrdup(name);
|
|
} else
|
|
cur->name = name;
|
|
|
|
if (value != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
cur->children = xmlNewDocText(doc, value);
|
|
cur->last = NULL;
|
|
tmp = cur->children;
|
|
while (tmp != NULL) {
|
|
tmp->parent = (xmlNodePtr) cur;
|
|
if (tmp->next == NULL)
|
|
cur->last = tmp;
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add it at the end to preserve parsing order ...
|
|
*/
|
|
if (node != NULL) {
|
|
if (node->properties == NULL) {
|
|
node->properties = cur;
|
|
} else {
|
|
xmlAttrPtr prev = node->properties;
|
|
|
|
while (prev->next != NULL)
|
|
prev = prev->next;
|
|
prev->next = cur;
|
|
cur->prev = prev;
|
|
}
|
|
}
|
|
|
|
if ((value != NULL) && (node != NULL) &&
|
|
(xmlIsID(node->doc, node, cur) == 1))
|
|
xmlAddID(NULL, node->doc, value, cur);
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr) cur);
|
|
return (cur);
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_HTML_ENABLED) || \
|
|
defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlNewProp:
|
|
* @node: the holding node
|
|
* @name: the name of the attribute
|
|
* @value: the value of the attribute
|
|
*
|
|
* Create a new property carried by a node.
|
|
* Returns a pointer to the attribute
|
|
*/
|
|
xmlAttrPtr
|
|
xmlNewProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) {
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewProp : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
return xmlNewPropInternal(node, NULL, name, value, 0);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNewNsProp:
|
|
* @node: the holding node
|
|
* @ns: the namespace
|
|
* @name: the name of the attribute
|
|
* @value: the value of the attribute
|
|
*
|
|
* Create a new property tagged with a namespace and carried by a node.
|
|
* Returns a pointer to the attribute
|
|
*/
|
|
xmlAttrPtr
|
|
xmlNewNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name,
|
|
const xmlChar *value) {
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewNsProp : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
return xmlNewPropInternal(node, ns, name, value, 0);
|
|
}
|
|
|
|
/**
|
|
* xmlNewNsPropEatName:
|
|
* @node: the holding node
|
|
* @ns: the namespace
|
|
* @name: the name of the attribute
|
|
* @value: the value of the attribute
|
|
*
|
|
* Create a new property tagged with a namespace and carried by a node.
|
|
* Returns a pointer to the attribute
|
|
*/
|
|
xmlAttrPtr
|
|
xmlNewNsPropEatName(xmlNodePtr node, xmlNsPtr ns, xmlChar *name,
|
|
const xmlChar *value) {
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewNsPropEatName : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
return xmlNewPropInternal(node, ns, name, value, 1);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocProp:
|
|
* @doc: the document
|
|
* @name: the name of the attribute
|
|
* @value: the value of the attribute
|
|
*
|
|
* Create a new property carried by a document.
|
|
* NOTE: @value is supposed to be a piece of XML CDATA, so it allows entity
|
|
* references, but XML special chars need to be escaped first by using
|
|
* xmlEncodeEntitiesReentrant(). Use xmlNewProp() if you don't need
|
|
* entities support.
|
|
*
|
|
* Returns a pointer to the attribute
|
|
*/
|
|
xmlAttrPtr
|
|
xmlNewDocProp(xmlDocPtr doc, const xmlChar *name, const xmlChar *value) {
|
|
xmlAttrPtr cur;
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewDocProp : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new property and fill the fields.
|
|
*/
|
|
cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building attribute");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlAttr));
|
|
cur->type = XML_ATTRIBUTE_NODE;
|
|
|
|
if ((doc != NULL) && (doc->dict != NULL))
|
|
cur->name = xmlDictLookup(doc->dict, name, -1);
|
|
else
|
|
cur->name = xmlStrdup(name);
|
|
cur->doc = doc;
|
|
if (value != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
cur->children = xmlStringGetNodeList(doc, value);
|
|
cur->last = NULL;
|
|
|
|
tmp = cur->children;
|
|
while (tmp != NULL) {
|
|
tmp->parent = (xmlNodePtr) cur;
|
|
if (tmp->next == NULL)
|
|
cur->last = tmp;
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlFreePropList:
|
|
* @cur: the first property in the list
|
|
*
|
|
* Free a property and all its siblings, all the children are freed too.
|
|
*/
|
|
void
|
|
xmlFreePropList(xmlAttrPtr cur) {
|
|
xmlAttrPtr next;
|
|
if (cur == NULL) return;
|
|
while (cur != NULL) {
|
|
next = cur->next;
|
|
xmlFreeProp(cur);
|
|
cur = next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlFreeProp:
|
|
* @cur: an attribute
|
|
*
|
|
* Free one attribute, all the content is freed too
|
|
*/
|
|
void
|
|
xmlFreeProp(xmlAttrPtr cur) {
|
|
xmlDictPtr dict = NULL;
|
|
if (cur == NULL) return;
|
|
|
|
if (cur->doc != NULL) dict = cur->doc->dict;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
|
|
xmlDeregisterNodeDefaultValue((xmlNodePtr)cur);
|
|
|
|
/* Check for ID removal -> leading to invalid references ! */
|
|
if ((cur->doc != NULL) && (cur->atype == XML_ATTRIBUTE_ID)) {
|
|
xmlRemoveID(cur->doc, cur);
|
|
}
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
DICT_FREE(cur->name)
|
|
xmlFree(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlRemoveProp:
|
|
* @cur: an attribute
|
|
*
|
|
* Unlink and free one attribute, all the content is freed too
|
|
* Note this doesn't work for namespace definition attributes
|
|
*
|
|
* Returns 0 if success and -1 in case of error.
|
|
*/
|
|
int
|
|
xmlRemoveProp(xmlAttrPtr cur) {
|
|
xmlAttrPtr tmp;
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlRemoveProp : cur == NULL\n");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
if (cur->parent == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlRemoveProp : cur->parent == NULL\n");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
tmp = cur->parent->properties;
|
|
if (tmp == cur) {
|
|
cur->parent->properties = cur->next;
|
|
if (cur->next != NULL)
|
|
cur->next->prev = NULL;
|
|
xmlFreeProp(cur);
|
|
return(0);
|
|
}
|
|
while (tmp != NULL) {
|
|
if (tmp->next == cur) {
|
|
tmp->next = cur->next;
|
|
if (tmp->next != NULL)
|
|
tmp->next->prev = tmp;
|
|
xmlFreeProp(cur);
|
|
return(0);
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlRemoveProp : attribute not owned by its node\n");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocPI:
|
|
* @doc: the target document
|
|
* @name: the processing instruction name
|
|
* @content: the PI content
|
|
*
|
|
* Creation of a processing instruction element.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocPI(xmlDocPtr doc, const xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewPI : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building PI");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_PI_NODE;
|
|
|
|
if ((doc != NULL) && (doc->dict != NULL))
|
|
cur->name = xmlDictLookup(doc->dict, name, -1);
|
|
else
|
|
cur->name = xmlStrdup(name);
|
|
if (content != NULL) {
|
|
cur->content = xmlStrdup(content);
|
|
}
|
|
cur->doc = doc;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewPI:
|
|
* @name: the processing instruction name
|
|
* @content: the PI content
|
|
*
|
|
* Creation of a processing instruction element.
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocPI.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewPI(const xmlChar *name, const xmlChar *content) {
|
|
return(xmlNewDocPI(NULL, name, content));
|
|
}
|
|
|
|
/**
|
|
* xmlNewNode:
|
|
* @ns: namespace if any
|
|
* @name: the node name
|
|
*
|
|
* Creation of a new node element. @ns is optional (NULL).
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocNode.
|
|
*
|
|
* Returns a pointer to the new node object. Uses xmlStrdup() to make
|
|
* copy of @name.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewNode(xmlNsPtr ns, const xmlChar *name) {
|
|
xmlNodePtr cur;
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewNode : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building node");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_ELEMENT_NODE;
|
|
|
|
cur->name = xmlStrdup(name);
|
|
cur->ns = ns;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewNodeEatName:
|
|
* @ns: namespace if any
|
|
* @name: the node name
|
|
*
|
|
* Creation of a new node element. @ns is optional (NULL).
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocNodeEatName.
|
|
*
|
|
* Returns a pointer to the new node object, with pointer @name as
|
|
* new node's name. Use xmlNewNode() if a copy of @name string is
|
|
* is needed as new node's name.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewNodeEatName(xmlNsPtr ns, xmlChar *name) {
|
|
xmlNodePtr cur;
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewNode : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building node");
|
|
/* we can't check here that name comes from the doc dictionary */
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_ELEMENT_NODE;
|
|
|
|
cur->name = name;
|
|
cur->ns = ns;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocNode:
|
|
* @doc: the document
|
|
* @ns: namespace if any
|
|
* @name: the node name
|
|
* @content: the XML text content if any
|
|
*
|
|
* Creation of a new node element within a document. @ns and @content
|
|
* are optional (NULL).
|
|
* NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities
|
|
* references, but XML special chars need to be escaped first by using
|
|
* xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't
|
|
* need entities support.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocNode(xmlDocPtr doc, xmlNsPtr ns,
|
|
const xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
if ((doc != NULL) && (doc->dict != NULL))
|
|
cur = xmlNewNodeEatName(ns, (xmlChar *)
|
|
xmlDictLookup(doc->dict, name, -1));
|
|
else
|
|
cur = xmlNewNode(ns, name);
|
|
if (cur != NULL) {
|
|
cur->doc = doc;
|
|
if (content != NULL) {
|
|
cur->children = xmlStringGetNodeList(doc, content);
|
|
UPDATE_LAST_CHILD_AND_PARENT(cur)
|
|
}
|
|
}
|
|
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocNodeEatName:
|
|
* @doc: the document
|
|
* @ns: namespace if any
|
|
* @name: the node name
|
|
* @content: the XML text content if any
|
|
*
|
|
* Creation of a new node element within a document. @ns and @content
|
|
* are optional (NULL).
|
|
* NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities
|
|
* references, but XML special chars need to be escaped first by using
|
|
* xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't
|
|
* need entities support.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocNodeEatName(xmlDocPtr doc, xmlNsPtr ns,
|
|
xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
cur = xmlNewNodeEatName(ns, name);
|
|
if (cur != NULL) {
|
|
cur->doc = doc;
|
|
if (content != NULL) {
|
|
cur->children = xmlStringGetNodeList(doc, content);
|
|
UPDATE_LAST_CHILD_AND_PARENT(cur)
|
|
}
|
|
} else {
|
|
/* if name don't come from the doc dictionary free it here */
|
|
if ((name != NULL) && (doc != NULL) &&
|
|
(!(xmlDictOwns(doc->dict, name))))
|
|
xmlFree(name);
|
|
}
|
|
return(cur);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNewDocRawNode:
|
|
* @doc: the document
|
|
* @ns: namespace if any
|
|
* @name: the node name
|
|
* @content: the text content if any
|
|
*
|
|
* Creation of a new node element within a document. @ns and @content
|
|
* are optional (NULL).
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocRawNode(xmlDocPtr doc, xmlNsPtr ns,
|
|
const xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
cur = xmlNewDocNode(doc, ns, name, NULL);
|
|
if (cur != NULL) {
|
|
cur->doc = doc;
|
|
if (content != NULL) {
|
|
cur->children = xmlNewDocText(doc, content);
|
|
UPDATE_LAST_CHILD_AND_PARENT(cur)
|
|
}
|
|
}
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocFragment:
|
|
* @doc: the document owning the fragment
|
|
*
|
|
* Creation of a new Fragment node.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocFragment(xmlDocPtr doc) {
|
|
xmlNodePtr cur;
|
|
|
|
/*
|
|
* Allocate a new DocumentFragment node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building fragment");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_DOCUMENT_FRAG_NODE;
|
|
|
|
cur->doc = doc;
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNewText:
|
|
* @content: the text content
|
|
*
|
|
* Creation of a new text node.
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocText.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewText(const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building text");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_TEXT_NODE;
|
|
|
|
cur->name = xmlStringText;
|
|
if (content != NULL) {
|
|
cur->content = xmlStrdup(content);
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNewTextChild:
|
|
* @parent: the parent node
|
|
* @ns: a namespace if any
|
|
* @name: the name of the child
|
|
* @content: the text content of the child if any.
|
|
*
|
|
* Creation of a new child element, added at the end of @parent children list.
|
|
* @ns and @content parameters are optional (NULL). If @ns is NULL, the newly
|
|
* created element inherits the namespace of @parent. If @content is non NULL,
|
|
* a child TEXT node will be created containing the string @content.
|
|
* NOTE: Use xmlNewChild() if @content will contain entities that need to be
|
|
* preserved. Use this function, xmlNewTextChild(), if you need to ensure that
|
|
* reserved XML chars that might appear in @content, such as the ampersand,
|
|
* greater-than or less-than signs, are automatically replaced by their XML
|
|
* escaped entity representations.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewTextChild(xmlNodePtr parent, xmlNsPtr ns,
|
|
const xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur, prev;
|
|
|
|
if (parent == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewTextChild : parent == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewTextChild : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node
|
|
*/
|
|
if (parent->type == XML_ELEMENT_NODE) {
|
|
if (ns == NULL)
|
|
cur = xmlNewDocRawNode(parent->doc, parent->ns, name, content);
|
|
else
|
|
cur = xmlNewDocRawNode(parent->doc, ns, name, content);
|
|
} else if ((parent->type == XML_DOCUMENT_NODE) ||
|
|
(parent->type == XML_HTML_DOCUMENT_NODE)) {
|
|
if (ns == NULL)
|
|
cur = xmlNewDocRawNode((xmlDocPtr) parent, NULL, name, content);
|
|
else
|
|
cur = xmlNewDocRawNode((xmlDocPtr) parent, ns, name, content);
|
|
} else if (parent->type == XML_DOCUMENT_FRAG_NODE) {
|
|
cur = xmlNewDocRawNode( parent->doc, ns, name, content);
|
|
} else {
|
|
return(NULL);
|
|
}
|
|
if (cur == NULL) return(NULL);
|
|
|
|
/*
|
|
* add the new element at the end of the children list.
|
|
*/
|
|
cur->type = XML_ELEMENT_NODE;
|
|
cur->parent = parent;
|
|
cur->doc = parent->doc;
|
|
if (parent->children == NULL) {
|
|
parent->children = cur;
|
|
parent->last = cur;
|
|
} else {
|
|
prev = parent->last;
|
|
prev->next = cur;
|
|
cur->prev = prev;
|
|
parent->last = cur;
|
|
}
|
|
|
|
return(cur);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNewCharRef:
|
|
* @doc: the document
|
|
* @name: the char ref string, starting with # or "&# ... ;"
|
|
*
|
|
* Creation of a new character reference node.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewCharRef(xmlDocPtr doc, const xmlChar *name) {
|
|
xmlNodePtr cur;
|
|
|
|
if (name == NULL)
|
|
return(NULL);
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building character reference");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_ENTITY_REF_NODE;
|
|
|
|
cur->doc = doc;
|
|
if (name[0] == '&') {
|
|
int len;
|
|
name++;
|
|
len = xmlStrlen(name);
|
|
if (name[len - 1] == ';')
|
|
cur->name = xmlStrndup(name, len - 1);
|
|
else
|
|
cur->name = xmlStrndup(name, len);
|
|
} else
|
|
cur->name = xmlStrdup(name);
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewReference:
|
|
* @doc: the document
|
|
* @name: the reference name, or the reference string with & and ;
|
|
*
|
|
* Creation of a new reference node.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewReference(const xmlDoc *doc, const xmlChar *name) {
|
|
xmlNodePtr cur;
|
|
xmlEntityPtr ent;
|
|
|
|
if (name == NULL)
|
|
return(NULL);
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building reference");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_ENTITY_REF_NODE;
|
|
|
|
cur->doc = (xmlDoc *)doc;
|
|
if (name[0] == '&') {
|
|
int len;
|
|
name++;
|
|
len = xmlStrlen(name);
|
|
if (name[len - 1] == ';')
|
|
cur->name = xmlStrndup(name, len - 1);
|
|
else
|
|
cur->name = xmlStrndup(name, len);
|
|
} else
|
|
cur->name = xmlStrdup(name);
|
|
|
|
ent = xmlGetDocEntity(doc, cur->name);
|
|
if (ent != NULL) {
|
|
cur->content = ent->content;
|
|
/*
|
|
* The parent pointer in entity is a DTD pointer and thus is NOT
|
|
* updated. Not sure if this is 100% correct.
|
|
* -George
|
|
*/
|
|
cur->children = (xmlNodePtr) ent;
|
|
cur->last = (xmlNodePtr) ent;
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocText:
|
|
* @doc: the document
|
|
* @content: the text content
|
|
*
|
|
* Creation of a new text node within a document.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocText(const xmlDoc *doc, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
cur = xmlNewText(content);
|
|
if (cur != NULL) cur->doc = (xmlDoc *)doc;
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewTextLen:
|
|
* @content: the text content
|
|
* @len: the text len.
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocTextLen.
|
|
*
|
|
* Creation of a new text node with an extra parameter for the content's length
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewTextLen(const xmlChar *content, int len) {
|
|
xmlNodePtr cur;
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building text");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_TEXT_NODE;
|
|
|
|
cur->name = xmlStringText;
|
|
if (content != NULL) {
|
|
cur->content = xmlStrndup(content, len);
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocTextLen:
|
|
* @doc: the document
|
|
* @content: the text content
|
|
* @len: the text len.
|
|
*
|
|
* Creation of a new text node with an extra content length parameter. The
|
|
* text node pertain to a given document.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocTextLen(xmlDocPtr doc, const xmlChar *content, int len) {
|
|
xmlNodePtr cur;
|
|
|
|
cur = xmlNewTextLen(content, len);
|
|
if (cur != NULL) cur->doc = doc;
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewComment:
|
|
* @content: the comment content
|
|
*
|
|
* Use of this function is DISCOURAGED in favor of xmlNewDocComment.
|
|
*
|
|
* Creation of a new node containing a comment.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewComment(const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building comment");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_COMMENT_NODE;
|
|
|
|
cur->name = xmlStringComment;
|
|
if (content != NULL) {
|
|
cur->content = xmlStrdup(content);
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewCDataBlock:
|
|
* @doc: the document
|
|
* @content: the CDATA block content content
|
|
* @len: the length of the block
|
|
*
|
|
* Creation of a new node containing a CDATA block.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewCDataBlock(xmlDocPtr doc, const xmlChar *content, int len) {
|
|
xmlNodePtr cur;
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("building CDATA");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNode));
|
|
cur->type = XML_CDATA_SECTION_NODE;
|
|
cur->doc = doc;
|
|
|
|
if (content != NULL) {
|
|
cur->content = xmlStrndup(content, len);
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue(cur);
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlNewDocComment:
|
|
* @doc: the document
|
|
* @content: the comment content
|
|
*
|
|
* Creation of a new node containing a comment within a document.
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewDocComment(xmlDocPtr doc, const xmlChar *content) {
|
|
xmlNodePtr cur;
|
|
|
|
cur = xmlNewComment(content);
|
|
if (cur != NULL) cur->doc = doc;
|
|
return(cur);
|
|
}
|
|
|
|
static const xmlChar *_copyStringForNewDictIfNeeded(xmlDictPtr oldDict, xmlDictPtr newDict, const xmlChar *oldValue) {
|
|
const xmlChar *newValue = oldValue;
|
|
if (oldValue) {
|
|
int oldDictOwnsOldValue = oldDict && (xmlDictOwns(oldDict, oldValue) == 1);
|
|
if (oldDictOwnsOldValue) {
|
|
if (newDict)
|
|
newValue = xmlDictLookup(newDict, oldValue, -1);
|
|
else
|
|
newValue = xmlStrdup(oldValue);
|
|
}
|
|
}
|
|
return newValue;
|
|
}
|
|
|
|
/**
|
|
* xmlSetTreeDoc:
|
|
* @tree: the top element
|
|
* @doc: the document
|
|
*
|
|
* update all nodes under the tree to point to the right document
|
|
*/
|
|
void
|
|
xmlSetTreeDoc(xmlNodePtr tree, xmlDocPtr doc) {
|
|
xmlAttrPtr prop;
|
|
|
|
if ((tree == NULL) || (tree->type == XML_NAMESPACE_DECL))
|
|
return;
|
|
if (tree->doc != doc) {
|
|
xmlDictPtr oldTreeDict = tree->doc ? tree->doc->dict : NULL;
|
|
xmlDictPtr newDict = doc ? doc->dict : NULL;
|
|
|
|
if(tree->type == XML_ELEMENT_NODE) {
|
|
prop = tree->properties;
|
|
while (prop != NULL) {
|
|
if (prop->atype == XML_ATTRIBUTE_ID) {
|
|
xmlRemoveID(tree->doc, prop);
|
|
}
|
|
|
|
if (prop->doc != doc) {
|
|
xmlDictPtr oldPropDict = prop->doc ? prop->doc->dict : NULL;
|
|
prop->name = _copyStringForNewDictIfNeeded(oldPropDict, newDict, prop->name);
|
|
prop->doc = doc;
|
|
}
|
|
xmlSetListDoc(prop->children, doc);
|
|
|
|
/*
|
|
* TODO: ID attributes should be also added to the new
|
|
* document, but this breaks things like xmlReplaceNode.
|
|
* The underlying problem is that xmlRemoveID is only called
|
|
* if a node is destroyed, not if it's unlinked.
|
|
*/
|
|
#if 0
|
|
if (xmlIsID(doc, tree, prop)) {
|
|
xmlChar *idVal = xmlNodeListGetString(doc, prop->children,
|
|
1);
|
|
xmlAddID(NULL, doc, idVal, prop);
|
|
}
|
|
#endif
|
|
|
|
prop = prop->next;
|
|
}
|
|
}
|
|
if (tree->type == XML_ENTITY_REF_NODE) {
|
|
/*
|
|
* Clear 'children' which points to the entity declaration
|
|
* from the original document.
|
|
*/
|
|
tree->children = NULL;
|
|
} else if (tree->children != NULL) {
|
|
xmlSetListDoc(tree->children, doc);
|
|
}
|
|
|
|
tree->name = _copyStringForNewDictIfNeeded(oldTreeDict, newDict, tree->name);
|
|
tree->content = (xmlChar *)_copyStringForNewDictIfNeeded(oldTreeDict, NULL, tree->content);
|
|
/* FIXME: tree->ns should be updated as in xmlStaticCopyNode(). */
|
|
tree->doc = doc;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlSetListDoc:
|
|
* @list: the first element
|
|
* @doc: the document
|
|
*
|
|
* update all nodes in the list to point to the right document
|
|
*/
|
|
void
|
|
xmlSetListDoc(xmlNodePtr list, xmlDocPtr doc) {
|
|
xmlNodePtr cur;
|
|
|
|
if ((list == NULL) || (list->type == XML_NAMESPACE_DECL))
|
|
return;
|
|
cur = list;
|
|
while (cur != NULL) {
|
|
if (cur->doc != doc)
|
|
xmlSetTreeDoc(cur, doc);
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlNewChild:
|
|
* @parent: the parent node
|
|
* @ns: a namespace if any
|
|
* @name: the name of the child
|
|
* @content: the XML content of the child if any.
|
|
*
|
|
* Creation of a new child element, added at the end of @parent children list.
|
|
* @ns and @content parameters are optional (NULL). If @ns is NULL, the newly
|
|
* created element inherits the namespace of @parent. If @content is non NULL,
|
|
* a child list containing the TEXTs and ENTITY_REFs node will be created.
|
|
* NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity
|
|
* references. XML special chars must be escaped first by using
|
|
* xmlEncodeEntitiesReentrant(), or xmlNewTextChild() should be used.
|
|
*
|
|
* Returns a pointer to the new node object.
|
|
*/
|
|
xmlNodePtr
|
|
xmlNewChild(xmlNodePtr parent, xmlNsPtr ns,
|
|
const xmlChar *name, const xmlChar *content) {
|
|
xmlNodePtr cur, prev;
|
|
|
|
if (parent == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewChild : parent == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (name == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewChild : name == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node
|
|
*/
|
|
if (parent->type == XML_ELEMENT_NODE) {
|
|
if (ns == NULL)
|
|
cur = xmlNewDocNode(parent->doc, parent->ns, name, content);
|
|
else
|
|
cur = xmlNewDocNode(parent->doc, ns, name, content);
|
|
} else if ((parent->type == XML_DOCUMENT_NODE) ||
|
|
(parent->type == XML_HTML_DOCUMENT_NODE)) {
|
|
if (ns == NULL)
|
|
cur = xmlNewDocNode((xmlDocPtr) parent, NULL, name, content);
|
|
else
|
|
cur = xmlNewDocNode((xmlDocPtr) parent, ns, name, content);
|
|
} else if (parent->type == XML_DOCUMENT_FRAG_NODE) {
|
|
cur = xmlNewDocNode( parent->doc, ns, name, content);
|
|
} else {
|
|
return(NULL);
|
|
}
|
|
if (cur == NULL) return(NULL);
|
|
|
|
/*
|
|
* add the new element at the end of the children list.
|
|
*/
|
|
cur->type = XML_ELEMENT_NODE;
|
|
cur->parent = parent;
|
|
cur->doc = parent->doc;
|
|
if (parent->children == NULL) {
|
|
parent->children = cur;
|
|
parent->last = cur;
|
|
} else {
|
|
prev = parent->last;
|
|
prev->next = cur;
|
|
cur->prev = prev;
|
|
parent->last = cur;
|
|
}
|
|
|
|
return(cur);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlAddPropSibling:
|
|
* @prev: the attribute to which @prop is added after
|
|
* @cur: the base attribute passed to calling function
|
|
* @prop: the new attribute
|
|
*
|
|
* Add a new attribute after @prev using @cur as base attribute.
|
|
* When inserting before @cur, @prev is passed as @cur->prev.
|
|
* When inserting after @cur, @prev is passed as @cur.
|
|
* If an existing attribute is found it is destroyed prior to adding @prop.
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the attribute being inserted or NULL in case of error.
|
|
*/
|
|
static xmlNodePtr
|
|
xmlAddPropSibling(xmlNodePtr prev, xmlNodePtr cur, xmlNodePtr prop) {
|
|
xmlAttrPtr attr;
|
|
|
|
if ((cur == NULL) || (cur->type != XML_ATTRIBUTE_NODE) ||
|
|
(prop == NULL) || (prop->type != XML_ATTRIBUTE_NODE) ||
|
|
((prev != NULL) && (prev->type != XML_ATTRIBUTE_NODE)))
|
|
return(NULL);
|
|
|
|
/* check if an attribute with the same name exists */
|
|
if (prop->ns == NULL)
|
|
attr = xmlHasNsProp(cur->parent, prop->name, NULL);
|
|
else
|
|
attr = xmlHasNsProp(cur->parent, prop->name, prop->ns->href);
|
|
|
|
if (prop->doc != cur->doc) {
|
|
xmlSetTreeDoc(prop, cur->doc);
|
|
}
|
|
prop->parent = cur->parent;
|
|
prop->prev = prev;
|
|
if (prev != NULL) {
|
|
prop->next = prev->next;
|
|
prev->next = prop;
|
|
if (prop->next)
|
|
prop->next->prev = prop;
|
|
} else {
|
|
prop->next = cur;
|
|
cur->prev = prop;
|
|
}
|
|
if (prop->prev == NULL && prop->parent != NULL)
|
|
prop->parent->properties = (xmlAttrPtr) prop;
|
|
if ((attr != NULL) && (attr->type != XML_ATTRIBUTE_DECL)) {
|
|
/* different instance, destroy it (attributes must be unique) */
|
|
xmlRemoveProp((xmlAttrPtr) attr);
|
|
}
|
|
return prop;
|
|
}
|
|
|
|
/**
|
|
* xmlAddNextSibling:
|
|
* @cur: the child node
|
|
* @elem: the new node
|
|
*
|
|
* Add a new node @elem as the next sibling of @cur
|
|
* If the new node was already inserted in a document it is
|
|
* first unlinked from its existing context.
|
|
* As a result of text merging @elem may be freed.
|
|
* If the new node is ATTRIBUTE, it is added into properties instead of children.
|
|
* If there is an attribute with equal name, it is first destroyed.
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the new node or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlAddNextSibling(xmlNodePtr cur, xmlNodePtr elem) {
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddNextSibling : cur == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddNextSibling : elem == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (cur == elem) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddNextSibling : cur == elem\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
xmlUnlinkNode(elem);
|
|
|
|
if (elem->type == XML_TEXT_NODE) {
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
xmlNodeAddContent(cur, elem->content);
|
|
xmlFreeNode(elem);
|
|
return(cur);
|
|
}
|
|
if ((cur->next != NULL) && (cur->next->type == XML_TEXT_NODE) &&
|
|
(cur->name == cur->next->name)) {
|
|
xmlChar *tmp;
|
|
|
|
tmp = xmlStrdup(elem->content);
|
|
tmp = xmlStrcat(tmp, cur->next->content);
|
|
xmlNodeSetContent(cur->next, tmp);
|
|
xmlFree(tmp);
|
|
xmlFreeNode(elem);
|
|
return(cur->next);
|
|
}
|
|
} else if (elem->type == XML_ATTRIBUTE_NODE) {
|
|
return xmlAddPropSibling(cur, cur, elem);
|
|
}
|
|
|
|
if (elem->doc != cur->doc) {
|
|
xmlSetTreeDoc(elem, cur->doc);
|
|
}
|
|
elem->parent = cur->parent;
|
|
elem->prev = cur;
|
|
elem->next = cur->next;
|
|
cur->next = elem;
|
|
if (elem->next != NULL)
|
|
elem->next->prev = elem;
|
|
if ((elem->parent != NULL) && (elem->parent->last == cur))
|
|
elem->parent->last = elem;
|
|
return(elem);
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_HTML_ENABLED) || \
|
|
defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED)
|
|
/**
|
|
* xmlAddPrevSibling:
|
|
* @cur: the child node
|
|
* @elem: the new node
|
|
*
|
|
* Add a new node @elem as the previous sibling of @cur
|
|
* merging adjacent TEXT nodes (@elem may be freed)
|
|
* If the new node was already inserted in a document it is
|
|
* first unlinked from its existing context.
|
|
* If the new node is ATTRIBUTE, it is added into properties instead of children.
|
|
* If there is an attribute with equal name, it is first destroyed.
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the new node or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlAddPrevSibling(xmlNodePtr cur, xmlNodePtr elem) {
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddPrevSibling : cur == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddPrevSibling : elem == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (cur == elem) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddPrevSibling : cur == elem\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
xmlUnlinkNode(elem);
|
|
|
|
if (elem->type == XML_TEXT_NODE) {
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
xmlChar *tmp;
|
|
|
|
tmp = xmlStrdup(elem->content);
|
|
tmp = xmlStrcat(tmp, cur->content);
|
|
xmlNodeSetContent(cur, tmp);
|
|
xmlFree(tmp);
|
|
xmlFreeNode(elem);
|
|
return(cur);
|
|
}
|
|
if ((cur->prev != NULL) && (cur->prev->type == XML_TEXT_NODE) &&
|
|
(cur->name == cur->prev->name)) {
|
|
xmlNodeAddContent(cur->prev, elem->content);
|
|
xmlFreeNode(elem);
|
|
return(cur->prev);
|
|
}
|
|
} else if (elem->type == XML_ATTRIBUTE_NODE) {
|
|
return xmlAddPropSibling(cur->prev, cur, elem);
|
|
}
|
|
|
|
if (elem->doc != cur->doc) {
|
|
xmlSetTreeDoc(elem, cur->doc);
|
|
}
|
|
elem->parent = cur->parent;
|
|
elem->next = cur;
|
|
elem->prev = cur->prev;
|
|
cur->prev = elem;
|
|
if (elem->prev != NULL)
|
|
elem->prev->next = elem;
|
|
if ((elem->parent != NULL) && (elem->parent->children == cur)) {
|
|
elem->parent->children = elem;
|
|
}
|
|
return(elem);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlAddSibling:
|
|
* @cur: the child node
|
|
* @elem: the new node
|
|
*
|
|
* Add a new element @elem to the list of siblings of @cur
|
|
* merging adjacent TEXT nodes (@elem may be freed)
|
|
* If the new element was already inserted in a document it is
|
|
* first unlinked from its existing context.
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the new element or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlAddSibling(xmlNodePtr cur, xmlNodePtr elem) {
|
|
xmlNodePtr parent;
|
|
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddSibling : cur == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddSibling : elem == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (cur == elem) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddSibling : cur == elem\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Constant time is we can rely on the ->parent->last to find
|
|
* the last sibling.
|
|
*/
|
|
if ((cur->type != XML_ATTRIBUTE_NODE) && (cur->parent != NULL) &&
|
|
(cur->parent->children != NULL) &&
|
|
(cur->parent->last != NULL) &&
|
|
(cur->parent->last->next == NULL)) {
|
|
cur = cur->parent->last;
|
|
} else {
|
|
while (cur->next != NULL) cur = cur->next;
|
|
}
|
|
|
|
xmlUnlinkNode(elem);
|
|
|
|
if ((cur->type == XML_TEXT_NODE) && (elem->type == XML_TEXT_NODE) &&
|
|
(cur->name == elem->name)) {
|
|
xmlNodeAddContent(cur, elem->content);
|
|
xmlFreeNode(elem);
|
|
return(cur);
|
|
} else if (elem->type == XML_ATTRIBUTE_NODE) {
|
|
return xmlAddPropSibling(cur, cur, elem);
|
|
}
|
|
|
|
if (elem->doc != cur->doc) {
|
|
xmlSetTreeDoc(elem, cur->doc);
|
|
}
|
|
parent = cur->parent;
|
|
elem->prev = cur;
|
|
elem->next = NULL;
|
|
elem->parent = parent;
|
|
cur->next = elem;
|
|
if (parent != NULL)
|
|
parent->last = elem;
|
|
|
|
return(elem);
|
|
}
|
|
|
|
/**
|
|
* xmlAddChildList:
|
|
* @parent: the parent node
|
|
* @cur: the first node in the list
|
|
*
|
|
* Add a list of node at the end of the child list of the parent
|
|
* merging adjacent TEXT nodes (@cur may be freed)
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the last child or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlAddChildList(xmlNodePtr parent, xmlNodePtr cur) {
|
|
xmlNodePtr prev;
|
|
|
|
if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddChildList : parent == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddChildList : child == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if ((cur->doc != NULL) && (parent->doc != NULL) &&
|
|
(cur->doc != parent->doc)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"Elements moved to a different document\n");
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* add the first element at the end of the children list.
|
|
*/
|
|
|
|
if (parent->children == NULL) {
|
|
parent->children = cur;
|
|
} else {
|
|
/*
|
|
* If cur and parent->last both are TEXT nodes, then merge them.
|
|
*/
|
|
if ((cur->type == XML_TEXT_NODE) &&
|
|
(parent->last->type == XML_TEXT_NODE) &&
|
|
(cur->name == parent->last->name)) {
|
|
xmlNodeAddContent(parent->last, cur->content);
|
|
/*
|
|
* if it's the only child, nothing more to be done.
|
|
*/
|
|
if (cur->next == NULL) {
|
|
xmlFreeNode(cur);
|
|
return(parent->last);
|
|
}
|
|
prev = cur;
|
|
cur = cur->next;
|
|
xmlFreeNode(prev);
|
|
}
|
|
prev = parent->last;
|
|
prev->next = cur;
|
|
cur->prev = prev;
|
|
}
|
|
while (cur->next != NULL) {
|
|
cur->parent = parent;
|
|
if (cur->doc != parent->doc) {
|
|
xmlSetTreeDoc(cur, parent->doc);
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
cur->parent = parent;
|
|
/* the parent may not be linked to a doc ! */
|
|
if (cur->doc != parent->doc) {
|
|
xmlSetTreeDoc(cur, parent->doc);
|
|
}
|
|
parent->last = cur;
|
|
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlAddChild:
|
|
* @parent: the parent node
|
|
* @cur: the child node
|
|
*
|
|
* Add a new node to @parent, at the end of the child (or property) list
|
|
* merging adjacent TEXT nodes (in which case @cur is freed)
|
|
* If the new node is ATTRIBUTE, it is added into properties instead of children.
|
|
* If there is an attribute with equal name, it is first destroyed.
|
|
*
|
|
* All tree manipulation functions can safely move nodes within a document.
|
|
* But when moving nodes from one document to another, references to
|
|
* namespaces in element or attribute nodes are NOT fixed. In this case,
|
|
* you MUST call xmlReconciliateNs after the move operation to avoid
|
|
* memory errors.
|
|
*
|
|
* Returns the child or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlAddChild(xmlNodePtr parent, xmlNodePtr cur) {
|
|
xmlNodePtr prev;
|
|
|
|
if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddChild : parent == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddChild : child == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
|
|
if (parent == cur) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlAddChild : parent == cur\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
/*
|
|
* If cur is a TEXT node, merge its content with adjacent TEXT nodes
|
|
* cur is then freed.
|
|
*/
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
if ((parent->type == XML_TEXT_NODE) &&
|
|
(parent->content != NULL) &&
|
|
(parent->name == cur->name)) {
|
|
xmlNodeAddContent(parent, cur->content);
|
|
xmlFreeNode(cur);
|
|
return(parent);
|
|
}
|
|
if ((parent->last != NULL) && (parent->last->type == XML_TEXT_NODE) &&
|
|
(parent->last->name == cur->name) &&
|
|
(parent->last != cur)) {
|
|
xmlNodeAddContent(parent->last, cur->content);
|
|
xmlFreeNode(cur);
|
|
return(parent->last);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* add the new element at the end of the children list.
|
|
*/
|
|
prev = cur->parent;
|
|
cur->parent = parent;
|
|
if (cur->doc != parent->doc) {
|
|
xmlSetTreeDoc(cur, parent->doc);
|
|
}
|
|
/* this check prevents a loop on tree-traversions if a developer
|
|
* tries to add a node to its parent multiple times
|
|
*/
|
|
if (prev == parent)
|
|
return(cur);
|
|
|
|
/*
|
|
* Coalescing
|
|
*/
|
|
if ((parent->type == XML_TEXT_NODE) &&
|
|
(parent->content != NULL) &&
|
|
(parent != cur)) {
|
|
xmlNodeAddContent(parent, cur->content);
|
|
xmlFreeNode(cur);
|
|
return(parent);
|
|
}
|
|
if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
if (parent->type != XML_ELEMENT_NODE)
|
|
return(NULL);
|
|
if (parent->properties != NULL) {
|
|
/* check if an attribute with the same name exists */
|
|
xmlAttrPtr lastattr;
|
|
|
|
if (cur->ns == NULL)
|
|
lastattr = xmlHasNsProp(parent, cur->name, NULL);
|
|
else
|
|
lastattr = xmlHasNsProp(parent, cur->name, cur->ns->href);
|
|
if ((lastattr != NULL) && (lastattr != (xmlAttrPtr) cur) && (lastattr->type != XML_ATTRIBUTE_DECL)) {
|
|
/* different instance, destroy it (attributes must be unique) */
|
|
xmlUnlinkNode((xmlNodePtr) lastattr);
|
|
xmlFreeProp(lastattr);
|
|
}
|
|
if (lastattr == (xmlAttrPtr) cur)
|
|
return(cur);
|
|
|
|
}
|
|
if (parent->properties == NULL) {
|
|
parent->properties = (xmlAttrPtr) cur;
|
|
} else {
|
|
/* find the end */
|
|
xmlAttrPtr lastattr = parent->properties;
|
|
while (lastattr->next != NULL) {
|
|
lastattr = lastattr->next;
|
|
}
|
|
lastattr->next = (xmlAttrPtr) cur;
|
|
((xmlAttrPtr) cur)->prev = lastattr;
|
|
}
|
|
} else {
|
|
if (parent->children == NULL) {
|
|
parent->children = cur;
|
|
parent->last = cur;
|
|
} else {
|
|
prev = parent->last;
|
|
prev->next = cur;
|
|
cur->prev = prev;
|
|
parent->last = cur;
|
|
}
|
|
}
|
|
return(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlGetLastChild:
|
|
* @parent: the parent node
|
|
*
|
|
* Search the last child of a node.
|
|
* Returns the last child or NULL if none.
|
|
*/
|
|
xmlNodePtr
|
|
xmlGetLastChild(const xmlNode *parent) {
|
|
if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlGetLastChild : parent == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
return(parent->last);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/*
|
|
* 5 interfaces from DOM ElementTraversal
|
|
*/
|
|
|
|
/**
|
|
* xmlChildElementCount:
|
|
* @parent: the parent node
|
|
*
|
|
* Finds the current number of child nodes of that element which are
|
|
* element nodes.
|
|
* Note the handling of entities references is different than in
|
|
* the W3C DOM element traversal spec since we don't have back reference
|
|
* from entities content to entities references.
|
|
*
|
|
* Returns the count of element child or 0 if not available
|
|
*/
|
|
unsigned long
|
|
xmlChildElementCount(xmlNodePtr parent) {
|
|
unsigned long ret = 0;
|
|
xmlNodePtr cur = NULL;
|
|
|
|
if (parent == NULL)
|
|
return(0);
|
|
switch (parent->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
cur = parent->children;
|
|
break;
|
|
default:
|
|
return(0);
|
|
}
|
|
while (cur != NULL) {
|
|
if (cur->type == XML_ELEMENT_NODE)
|
|
ret++;
|
|
cur = cur->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlFirstElementChild:
|
|
* @parent: the parent node
|
|
*
|
|
* Finds the first child node of that element which is a Element node
|
|
* Note the handling of entities references is different than in
|
|
* the W3C DOM element traversal spec since we don't have back reference
|
|
* from entities content to entities references.
|
|
*
|
|
* Returns the first element child or NULL if not available
|
|
*/
|
|
xmlNodePtr
|
|
xmlFirstElementChild(xmlNodePtr parent) {
|
|
xmlNodePtr cur = NULL;
|
|
|
|
if (parent == NULL)
|
|
return(NULL);
|
|
switch (parent->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
cur = parent->children;
|
|
break;
|
|
default:
|
|
return(NULL);
|
|
}
|
|
while (cur != NULL) {
|
|
if (cur->type == XML_ELEMENT_NODE)
|
|
return(cur);
|
|
cur = cur->next;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlLastElementChild:
|
|
* @parent: the parent node
|
|
*
|
|
* Finds the last child node of that element which is a Element node
|
|
* Note the handling of entities references is different than in
|
|
* the W3C DOM element traversal spec since we don't have back reference
|
|
* from entities content to entities references.
|
|
*
|
|
* Returns the last element child or NULL if not available
|
|
*/
|
|
xmlNodePtr
|
|
xmlLastElementChild(xmlNodePtr parent) {
|
|
xmlNodePtr cur = NULL;
|
|
|
|
if (parent == NULL)
|
|
return(NULL);
|
|
switch (parent->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
cur = parent->last;
|
|
break;
|
|
default:
|
|
return(NULL);
|
|
}
|
|
while (cur != NULL) {
|
|
if (cur->type == XML_ELEMENT_NODE)
|
|
return(cur);
|
|
cur = cur->prev;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlPreviousElementSibling:
|
|
* @node: the current node
|
|
*
|
|
* Finds the first closest previous sibling of the node which is an
|
|
* element node.
|
|
* Note the handling of entities references is different than in
|
|
* the W3C DOM element traversal spec since we don't have back reference
|
|
* from entities content to entities references.
|
|
*
|
|
* Returns the previous element sibling or NULL if not available
|
|
*/
|
|
xmlNodePtr
|
|
xmlPreviousElementSibling(xmlNodePtr node) {
|
|
if (node == NULL)
|
|
return(NULL);
|
|
switch (node->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
node = node->prev;
|
|
break;
|
|
default:
|
|
return(NULL);
|
|
}
|
|
while (node != NULL) {
|
|
if (node->type == XML_ELEMENT_NODE)
|
|
return(node);
|
|
node = node->prev;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlNextElementSibling:
|
|
* @node: the current node
|
|
*
|
|
* Finds the first closest next sibling of the node which is an
|
|
* element node.
|
|
* Note the handling of entities references is different than in
|
|
* the W3C DOM element traversal spec since we don't have back reference
|
|
* from entities content to entities references.
|
|
*
|
|
* Returns the next element sibling or NULL if not available
|
|
*/
|
|
xmlNodePtr
|
|
xmlNextElementSibling(xmlNodePtr node) {
|
|
if (node == NULL)
|
|
return(NULL);
|
|
switch (node->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
node = node->next;
|
|
break;
|
|
default:
|
|
return(NULL);
|
|
}
|
|
while (node != NULL) {
|
|
if (node->type == XML_ELEMENT_NODE)
|
|
return(node);
|
|
node = node->next;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlFreeNodeList:
|
|
* @cur: the first node in the list
|
|
*
|
|
* Free a node and all its siblings, this is a recursive behaviour, all
|
|
* the children are freed too.
|
|
*/
|
|
void
|
|
xmlFreeNodeList(xmlNodePtr cur) {
|
|
xmlNodePtr next;
|
|
xmlNodePtr parent;
|
|
xmlDictPtr dict = NULL;
|
|
size_t depth = 0;
|
|
|
|
if (cur == NULL) return;
|
|
if (cur->type == XML_NAMESPACE_DECL) {
|
|
xmlFreeNsList((xmlNsPtr) cur);
|
|
return;
|
|
}
|
|
if (cur->doc != NULL) dict = cur->doc->dict;
|
|
while (1) {
|
|
while ((cur->children != NULL) &&
|
|
(cur->type != XML_DOCUMENT_NODE) &&
|
|
(cur->type != XML_HTML_DOCUMENT_NODE) &&
|
|
(cur->type != XML_DTD_NODE) &&
|
|
(cur->type != XML_ENTITY_REF_NODE)) {
|
|
cur = cur->children;
|
|
depth += 1;
|
|
}
|
|
|
|
next = cur->next;
|
|
parent = cur->parent;
|
|
if ((cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_HTML_DOCUMENT_NODE)) {
|
|
xmlFreeDoc((xmlDocPtr) cur);
|
|
} else if (cur->type != XML_DTD_NODE) {
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
|
|
xmlDeregisterNodeDefaultValue(cur);
|
|
|
|
if (((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_XINCLUDE_START) ||
|
|
(cur->type == XML_XINCLUDE_END)) &&
|
|
(cur->properties != NULL))
|
|
xmlFreePropList(cur->properties);
|
|
if ((cur->type != XML_ELEMENT_NODE) &&
|
|
(cur->type != XML_XINCLUDE_START) &&
|
|
(cur->type != XML_XINCLUDE_END) &&
|
|
(cur->type != XML_ENTITY_REF_NODE) &&
|
|
(cur->content != (xmlChar *) &(cur->properties))) {
|
|
DICT_FREE(cur->content)
|
|
}
|
|
if (((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_XINCLUDE_START) ||
|
|
(cur->type == XML_XINCLUDE_END)) &&
|
|
(cur->nsDef != NULL))
|
|
xmlFreeNsList(cur->nsDef);
|
|
|
|
/*
|
|
* When a node is a text node or a comment, it uses a global static
|
|
* variable for the name of the node.
|
|
* Otherwise the node name might come from the document's
|
|
* dictionary
|
|
*/
|
|
if ((cur->name != NULL) &&
|
|
(cur->type != XML_TEXT_NODE) &&
|
|
(cur->type != XML_COMMENT_NODE))
|
|
DICT_FREE(cur->name)
|
|
xmlFree(cur);
|
|
}
|
|
|
|
if (next != NULL) {
|
|
cur = next;
|
|
} else {
|
|
if ((depth == 0) || (parent == NULL))
|
|
break;
|
|
depth -= 1;
|
|
cur = parent;
|
|
cur->children = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlFreeNode:
|
|
* @cur: the node
|
|
*
|
|
* Free a node, this is a recursive behaviour, all the children are freed too.
|
|
* This doesn't unlink the child from the list, use xmlUnlinkNode() first.
|
|
*/
|
|
void
|
|
xmlFreeNode(xmlNodePtr cur) {
|
|
xmlDictPtr dict = NULL;
|
|
|
|
if (cur == NULL) return;
|
|
|
|
/* use xmlFreeDtd for DTD nodes */
|
|
if (cur->type == XML_DTD_NODE) {
|
|
xmlFreeDtd((xmlDtdPtr) cur);
|
|
return;
|
|
}
|
|
if (cur->type == XML_NAMESPACE_DECL) {
|
|
xmlFreeNs((xmlNsPtr) cur);
|
|
return;
|
|
}
|
|
if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
xmlFreeProp((xmlAttrPtr) cur);
|
|
return;
|
|
}
|
|
|
|
if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue))
|
|
xmlDeregisterNodeDefaultValue(cur);
|
|
|
|
if (cur->doc != NULL) dict = cur->doc->dict;
|
|
|
|
if (cur->type == XML_ENTITY_DECL) {
|
|
xmlEntityPtr ent = (xmlEntityPtr) cur;
|
|
DICT_FREE(ent->SystemID);
|
|
DICT_FREE(ent->ExternalID);
|
|
}
|
|
if ((cur->children != NULL) &&
|
|
(cur->type != XML_ENTITY_REF_NODE))
|
|
xmlFreeNodeList(cur->children);
|
|
|
|
if ((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_XINCLUDE_START) ||
|
|
(cur->type == XML_XINCLUDE_END)) {
|
|
if (cur->properties != NULL)
|
|
xmlFreePropList(cur->properties);
|
|
if (cur->nsDef != NULL)
|
|
xmlFreeNsList(cur->nsDef);
|
|
} else if ((cur->content != NULL) &&
|
|
(cur->type != XML_ENTITY_REF_NODE) &&
|
|
(cur->content != (xmlChar *) &(cur->properties))) {
|
|
DICT_FREE(cur->content)
|
|
}
|
|
|
|
/*
|
|
* When a node is a text node or a comment, it uses a global static
|
|
* variable for the name of the node.
|
|
* Otherwise the node name might come from the document's dictionary
|
|
*/
|
|
if ((cur->name != NULL) &&
|
|
(cur->type != XML_TEXT_NODE) &&
|
|
(cur->type != XML_COMMENT_NODE))
|
|
DICT_FREE(cur->name)
|
|
|
|
xmlFree(cur);
|
|
}
|
|
|
|
/**
|
|
* xmlUnlinkNode:
|
|
* @cur: the node
|
|
*
|
|
* Unlink a node from it's current context, the node is not freed
|
|
* If one need to free the node, use xmlFreeNode() routine after the
|
|
* unlink to discard it.
|
|
* Note that namespace nodes can't be unlinked as they do not have
|
|
* pointer to their parent.
|
|
*/
|
|
void
|
|
xmlUnlinkNode(xmlNodePtr cur) {
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlUnlinkNode : node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if (cur->type == XML_NAMESPACE_DECL)
|
|
return;
|
|
if (cur->type == XML_DTD_NODE) {
|
|
xmlDocPtr doc;
|
|
doc = cur->doc;
|
|
if (doc != NULL) {
|
|
if (doc->intSubset == (xmlDtdPtr) cur)
|
|
doc->intSubset = NULL;
|
|
if (doc->extSubset == (xmlDtdPtr) cur)
|
|
doc->extSubset = NULL;
|
|
}
|
|
}
|
|
if (cur->type == XML_ENTITY_DECL) {
|
|
xmlDocPtr doc;
|
|
doc = cur->doc;
|
|
if (doc != NULL) {
|
|
if (doc->intSubset != NULL) {
|
|
if (xmlHashLookup(doc->intSubset->entities, cur->name) == cur)
|
|
xmlHashRemoveEntry(doc->intSubset->entities, cur->name,
|
|
NULL);
|
|
if (xmlHashLookup(doc->intSubset->pentities, cur->name) == cur)
|
|
xmlHashRemoveEntry(doc->intSubset->pentities, cur->name,
|
|
NULL);
|
|
}
|
|
if (doc->extSubset != NULL) {
|
|
if (xmlHashLookup(doc->extSubset->entities, cur->name) == cur)
|
|
xmlHashRemoveEntry(doc->extSubset->entities, cur->name,
|
|
NULL);
|
|
if (xmlHashLookup(doc->extSubset->pentities, cur->name) == cur)
|
|
xmlHashRemoveEntry(doc->extSubset->pentities, cur->name,
|
|
NULL);
|
|
}
|
|
}
|
|
}
|
|
if (cur->parent != NULL) {
|
|
xmlNodePtr parent;
|
|
parent = cur->parent;
|
|
if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
if (parent->properties == (xmlAttrPtr) cur)
|
|
parent->properties = ((xmlAttrPtr) cur)->next;
|
|
} else {
|
|
if (parent->children == cur)
|
|
parent->children = cur->next;
|
|
if (parent->last == cur)
|
|
parent->last = cur->prev;
|
|
}
|
|
cur->parent = NULL;
|
|
}
|
|
if (cur->next != NULL)
|
|
cur->next->prev = cur->prev;
|
|
if (cur->prev != NULL)
|
|
cur->prev->next = cur->next;
|
|
cur->next = cur->prev = NULL;
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_WRITER_ENABLED)
|
|
/**
|
|
* xmlReplaceNode:
|
|
* @old: the old node
|
|
* @cur: the node
|
|
*
|
|
* Unlink the old node from its current context, prune the new one
|
|
* at the same place. If @cur was already inserted in a document it is
|
|
* first unlinked from its existing context.
|
|
*
|
|
* See the note regarding namespaces in xmlAddChild.
|
|
*
|
|
* Returns the @old node
|
|
*/
|
|
xmlNodePtr
|
|
xmlReplaceNode(xmlNodePtr old, xmlNodePtr cur) {
|
|
if (old == cur) return(NULL);
|
|
if ((old == NULL) || (old->type == XML_NAMESPACE_DECL) ||
|
|
(old->parent == NULL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlReplaceNode : old == NULL or without parent\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) {
|
|
xmlUnlinkNode(old);
|
|
return(old);
|
|
}
|
|
if (cur == old) {
|
|
return(old);
|
|
}
|
|
if ((old->type==XML_ATTRIBUTE_NODE) && (cur->type!=XML_ATTRIBUTE_NODE)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlReplaceNode : Trying to replace attribute node with other node type\n");
|
|
#endif
|
|
return(old);
|
|
}
|
|
if ((cur->type==XML_ATTRIBUTE_NODE) && (old->type!=XML_ATTRIBUTE_NODE)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlReplaceNode : Trying to replace a non-attribute node with attribute node\n");
|
|
#endif
|
|
return(old);
|
|
}
|
|
xmlUnlinkNode(cur);
|
|
xmlSetTreeDoc(cur, old->doc);
|
|
cur->parent = old->parent;
|
|
cur->next = old->next;
|
|
if (cur->next != NULL)
|
|
cur->next->prev = cur;
|
|
cur->prev = old->prev;
|
|
if (cur->prev != NULL)
|
|
cur->prev->next = cur;
|
|
if (cur->parent != NULL) {
|
|
if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
if (cur->parent->properties == (xmlAttrPtr)old)
|
|
cur->parent->properties = ((xmlAttrPtr) cur);
|
|
} else {
|
|
if (cur->parent->children == old)
|
|
cur->parent->children = cur;
|
|
if (cur->parent->last == old)
|
|
cur->parent->last = cur;
|
|
}
|
|
}
|
|
old->next = old->prev = NULL;
|
|
old->parent = NULL;
|
|
return(old);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Copy operations *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlCopyNamespace:
|
|
* @cur: the namespace
|
|
*
|
|
* Do a copy of the namespace.
|
|
*
|
|
* Returns: a new #xmlNsPtr, or NULL in case of error.
|
|
*/
|
|
xmlNsPtr
|
|
xmlCopyNamespace(xmlNsPtr cur) {
|
|
xmlNsPtr ret;
|
|
|
|
if (cur == NULL) return(NULL);
|
|
switch (cur->type) {
|
|
case XML_LOCAL_NAMESPACE:
|
|
ret = xmlNewNs(NULL, cur->href, cur->prefix);
|
|
break;
|
|
default:
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlCopyNamespace: invalid type %d\n", cur->type);
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlCopyNamespaceList:
|
|
* @cur: the first namespace
|
|
*
|
|
* Do a copy of an namespace list.
|
|
*
|
|
* Returns: a new #xmlNsPtr, or NULL in case of error.
|
|
*/
|
|
xmlNsPtr
|
|
xmlCopyNamespaceList(xmlNsPtr cur) {
|
|
xmlNsPtr ret = NULL;
|
|
xmlNsPtr p = NULL,q;
|
|
|
|
while (cur != NULL) {
|
|
q = xmlCopyNamespace(cur);
|
|
if (p == NULL) {
|
|
ret = p = q;
|
|
} else {
|
|
p->next = q;
|
|
p = q;
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
static xmlNodePtr
|
|
xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent);
|
|
|
|
static xmlAttrPtr
|
|
xmlCopyPropInternal(xmlDocPtr doc, xmlNodePtr target, xmlAttrPtr cur) {
|
|
xmlAttrPtr ret;
|
|
|
|
if (cur == NULL) return(NULL);
|
|
if ((target != NULL) && (target->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
if (target != NULL)
|
|
ret = xmlNewDocProp(target->doc, cur->name, NULL);
|
|
else if (doc != NULL)
|
|
ret = xmlNewDocProp(doc, cur->name, NULL);
|
|
else if (cur->parent != NULL)
|
|
ret = xmlNewDocProp(cur->parent->doc, cur->name, NULL);
|
|
else if (cur->children != NULL)
|
|
ret = xmlNewDocProp(cur->children->doc, cur->name, NULL);
|
|
else
|
|
ret = xmlNewDocProp(NULL, cur->name, NULL);
|
|
if (ret == NULL) return(NULL);
|
|
ret->parent = target;
|
|
|
|
if ((cur->ns != NULL) && (target != NULL)) {
|
|
xmlNsPtr ns;
|
|
|
|
ns = xmlSearchNs(target->doc, target, cur->ns->prefix);
|
|
if (ns == NULL) {
|
|
/*
|
|
* Humm, we are copying an element whose namespace is defined
|
|
* out of the new tree scope. Search it in the original tree
|
|
* and add it at the top of the new tree
|
|
*/
|
|
ns = xmlSearchNs(cur->doc, cur->parent, cur->ns->prefix);
|
|
if (ns != NULL) {
|
|
xmlNodePtr root = target;
|
|
xmlNodePtr pred = NULL;
|
|
|
|
while (root->parent != NULL) {
|
|
pred = root;
|
|
root = root->parent;
|
|
}
|
|
if (root == (xmlNodePtr) target->doc) {
|
|
/* correct possibly cycling above the document elt */
|
|
root = pred;
|
|
}
|
|
ret->ns = xmlNewNs(root, ns->href, ns->prefix);
|
|
}
|
|
} else {
|
|
/*
|
|
* we have to find something appropriate here since
|
|
* we can't be sure, that the namespace we found is identified
|
|
* by the prefix
|
|
*/
|
|
if (xmlStrEqual(ns->href, cur->ns->href)) {
|
|
/* this is the nice case */
|
|
ret->ns = ns;
|
|
} else {
|
|
/*
|
|
* we are in trouble: we need a new reconciled namespace.
|
|
* This is expensive
|
|
*/
|
|
ret->ns = xmlNewReconciledNs(target->doc, target, cur->ns);
|
|
}
|
|
}
|
|
|
|
} else
|
|
ret->ns = NULL;
|
|
|
|
if (cur->children != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
ret->children = xmlStaticCopyNodeList(cur->children, ret->doc, (xmlNodePtr) ret);
|
|
ret->last = NULL;
|
|
tmp = ret->children;
|
|
while (tmp != NULL) {
|
|
/* tmp->parent = (xmlNodePtr)ret; */
|
|
if (tmp->next == NULL)
|
|
ret->last = tmp;
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
/*
|
|
* Try to handle IDs
|
|
*/
|
|
if ((target!= NULL) && (cur!= NULL) &&
|
|
(target->doc != NULL) && (cur->doc != NULL) &&
|
|
(cur->doc->ids != NULL) && (cur->parent != NULL)) {
|
|
if (xmlIsID(cur->doc, cur->parent, cur)) {
|
|
xmlChar *id;
|
|
|
|
id = xmlNodeListGetString(cur->doc, cur->children, 1);
|
|
if (id != NULL) {
|
|
xmlAddID(NULL, target->doc, id, ret);
|
|
xmlFree(id);
|
|
}
|
|
}
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlCopyProp:
|
|
* @target: the element where the attribute will be grafted
|
|
* @cur: the attribute
|
|
*
|
|
* Do a copy of the attribute.
|
|
*
|
|
* Returns: a new #xmlAttrPtr, or NULL in case of error.
|
|
*/
|
|
xmlAttrPtr
|
|
xmlCopyProp(xmlNodePtr target, xmlAttrPtr cur) {
|
|
return xmlCopyPropInternal(NULL, target, cur);
|
|
}
|
|
|
|
/**
|
|
* xmlCopyPropList:
|
|
* @target: the element where the attributes will be grafted
|
|
* @cur: the first attribute
|
|
*
|
|
* Do a copy of an attribute list.
|
|
*
|
|
* Returns: a new #xmlAttrPtr, or NULL in case of error.
|
|
*/
|
|
xmlAttrPtr
|
|
xmlCopyPropList(xmlNodePtr target, xmlAttrPtr cur) {
|
|
xmlAttrPtr ret = NULL;
|
|
xmlAttrPtr p = NULL,q;
|
|
|
|
if ((target != NULL) && (target->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
while (cur != NULL) {
|
|
q = xmlCopyProp(target, cur);
|
|
if (q == NULL)
|
|
return(NULL);
|
|
if (p == NULL) {
|
|
ret = p = q;
|
|
} else {
|
|
p->next = q;
|
|
q->prev = p;
|
|
p = q;
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/*
|
|
* NOTE about the CopyNode operations !
|
|
*
|
|
* They are split into external and internal parts for one
|
|
* tricky reason: namespaces. Doing a direct copy of a node
|
|
* say RPM:Copyright without changing the namespace pointer to
|
|
* something else can produce stale links. One way to do it is
|
|
* to keep a reference counter but this doesn't work as soon
|
|
* as one moves the element or the subtree out of the scope of
|
|
* the existing namespace. The actual solution seems to be to add
|
|
* a copy of the namespace at the top of the copied tree if
|
|
* not available in the subtree.
|
|
* Hence two functions, the public front-end call the inner ones
|
|
* The argument "recursive" normally indicates a recursive copy
|
|
* of the node with values 0 (no) and 1 (yes). For XInclude,
|
|
* however, we allow a value of 2 to indicate copy properties and
|
|
* namespace info, but don't recurse on children.
|
|
*/
|
|
|
|
static xmlNodePtr
|
|
xmlStaticCopyNode(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent,
|
|
int extended) {
|
|
xmlNodePtr ret;
|
|
|
|
if (node == NULL) return(NULL);
|
|
switch (node->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
break;
|
|
case XML_ATTRIBUTE_NODE:
|
|
return((xmlNodePtr) xmlCopyPropInternal(doc, parent, (xmlAttrPtr) node));
|
|
case XML_NAMESPACE_DECL:
|
|
return((xmlNodePtr) xmlCopyNamespaceList((xmlNsPtr) node));
|
|
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
return((xmlNodePtr) xmlCopyDoc((xmlDocPtr) node, extended));
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new node and fill the fields.
|
|
*/
|
|
ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("copying node");
|
|
return(NULL);
|
|
}
|
|
memset(ret, 0, sizeof(xmlNode));
|
|
ret->type = node->type;
|
|
|
|
ret->doc = doc;
|
|
ret->parent = parent;
|
|
if (node->name == xmlStringText)
|
|
ret->name = xmlStringText;
|
|
else if (node->name == xmlStringTextNoenc)
|
|
ret->name = xmlStringTextNoenc;
|
|
else if (node->name == xmlStringComment)
|
|
ret->name = xmlStringComment;
|
|
else if (node->name != NULL) {
|
|
if ((doc != NULL) && (doc->dict != NULL))
|
|
ret->name = xmlDictLookup(doc->dict, node->name, -1);
|
|
else
|
|
ret->name = xmlStrdup(node->name);
|
|
}
|
|
if ((node->type != XML_ELEMENT_NODE) &&
|
|
(node->content != NULL) &&
|
|
(node->type != XML_ENTITY_REF_NODE) &&
|
|
(node->type != XML_XINCLUDE_END) &&
|
|
(node->type != XML_XINCLUDE_START)) {
|
|
ret->content = xmlStrdup(node->content);
|
|
}else{
|
|
if (node->type == XML_ELEMENT_NODE)
|
|
ret->line = node->line;
|
|
}
|
|
if (parent != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
/*
|
|
* this is a tricky part for the node register thing:
|
|
* in case ret does get coalesced in xmlAddChild
|
|
* the deregister-node callback is called; so we register ret now already
|
|
*/
|
|
if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
|
|
|
|
/*
|
|
* Note that since ret->parent is already set, xmlAddChild will
|
|
* return early and not actually insert the node. It will only
|
|
* coalesce text nodes and unnecessarily call xmlSetTreeDoc.
|
|
* Assuming that the subtree to be copied always has its text
|
|
* nodes coalesced, the somewhat confusing call to xmlAddChild
|
|
* could be removed.
|
|
*/
|
|
tmp = xmlAddChild(parent, ret);
|
|
/* node could have coalesced */
|
|
if (tmp != ret)
|
|
return(tmp);
|
|
}
|
|
|
|
if (!extended)
|
|
goto out;
|
|
if (((node->type == XML_ELEMENT_NODE) ||
|
|
(node->type == XML_XINCLUDE_START)) && (node->nsDef != NULL))
|
|
ret->nsDef = xmlCopyNamespaceList(node->nsDef);
|
|
|
|
if (node->ns != NULL) {
|
|
xmlNsPtr ns;
|
|
|
|
ns = xmlSearchNs(doc, ret, node->ns->prefix);
|
|
if (ns == NULL) {
|
|
/*
|
|
* Humm, we are copying an element whose namespace is defined
|
|
* out of the new tree scope. Search it in the original tree
|
|
* and add it at the top of the new tree
|
|
*/
|
|
ns = xmlSearchNs(node->doc, node, node->ns->prefix);
|
|
if (ns != NULL) {
|
|
xmlNodePtr root = ret;
|
|
|
|
while (root->parent != NULL) root = root->parent;
|
|
ret->ns = xmlNewNs(root, ns->href, ns->prefix);
|
|
} else {
|
|
ret->ns = xmlNewReconciledNs(doc, ret, node->ns);
|
|
}
|
|
} else {
|
|
/*
|
|
* reference the existing namespace definition in our own tree.
|
|
*/
|
|
ret->ns = ns;
|
|
}
|
|
}
|
|
if (((node->type == XML_ELEMENT_NODE) ||
|
|
(node->type == XML_XINCLUDE_START)) && (node->properties != NULL))
|
|
ret->properties = xmlCopyPropList(ret, node->properties);
|
|
if (node->type == XML_ENTITY_REF_NODE) {
|
|
if ((doc == NULL) || (node->doc != doc)) {
|
|
/*
|
|
* The copied node will go into a separate document, so
|
|
* to avoid dangling references to the ENTITY_DECL node
|
|
* we cannot keep the reference. Try to find it in the
|
|
* target document.
|
|
*/
|
|
ret->children = (xmlNodePtr) xmlGetDocEntity(doc, ret->name);
|
|
} else {
|
|
ret->children = node->children;
|
|
}
|
|
ret->last = ret->children;
|
|
} else if ((node->children != NULL) && (extended != 2)) {
|
|
xmlNodePtr cur, insert;
|
|
|
|
cur = node->children;
|
|
insert = ret;
|
|
while (cur != NULL) {
|
|
xmlNodePtr copy = xmlStaticCopyNode(cur, doc, insert, 2);
|
|
if (copy == NULL) {
|
|
xmlFreeNode(ret);
|
|
return(NULL);
|
|
}
|
|
|
|
/* Check for coalesced text nodes */
|
|
if (insert->last != copy) {
|
|
if (insert->last == NULL) {
|
|
insert->children = copy;
|
|
} else {
|
|
copy->prev = insert->last;
|
|
insert->last->next = copy;
|
|
}
|
|
insert->last = copy;
|
|
}
|
|
|
|
if ((cur->type != XML_ENTITY_REF_NODE) &&
|
|
(cur->children != NULL)) {
|
|
cur = cur->children;
|
|
insert = copy;
|
|
continue;
|
|
}
|
|
|
|
while (1) {
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
break;
|
|
}
|
|
|
|
cur = cur->parent;
|
|
insert = insert->parent;
|
|
if (cur == node) {
|
|
cur = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
/* if parent != NULL we already registered the node above */
|
|
if ((parent == NULL) &&
|
|
((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)))
|
|
xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
|
|
return(ret);
|
|
}
|
|
|
|
static xmlNodePtr
|
|
xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
|
|
xmlNodePtr ret = NULL;
|
|
xmlNodePtr p = NULL,q;
|
|
|
|
while (node != NULL) {
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
if (node->type == XML_DTD_NODE ) {
|
|
if (doc == NULL) {
|
|
node = node->next;
|
|
continue;
|
|
}
|
|
if (doc->intSubset == NULL) {
|
|
q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node );
|
|
if (q == NULL) return(NULL);
|
|
q->doc = doc;
|
|
q->parent = parent;
|
|
doc->intSubset = (xmlDtdPtr) q;
|
|
xmlAddChild(parent, q);
|
|
} else {
|
|
q = (xmlNodePtr) doc->intSubset;
|
|
xmlAddChild(parent, q);
|
|
}
|
|
} else
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
q = xmlStaticCopyNode(node, doc, parent, 1);
|
|
if (q == NULL) return(NULL);
|
|
if (ret == NULL) {
|
|
q->prev = NULL;
|
|
ret = p = q;
|
|
} else if (p != q) {
|
|
/* the test is required if xmlStaticCopyNode coalesced 2 text nodes */
|
|
p->next = q;
|
|
q->prev = p;
|
|
p = q;
|
|
}
|
|
node = node->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlCopyNode:
|
|
* @node: the node
|
|
* @extended: if 1 do a recursive copy (properties, namespaces and children
|
|
* when applicable)
|
|
* if 2 copy properties and namespaces (when applicable)
|
|
*
|
|
* Do a copy of the node.
|
|
*
|
|
* Returns: a new #xmlNodePtr, or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlCopyNode(xmlNodePtr node, int extended) {
|
|
xmlNodePtr ret;
|
|
|
|
ret = xmlStaticCopyNode(node, NULL, NULL, extended);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlDocCopyNode:
|
|
* @node: the node
|
|
* @doc: the document
|
|
* @extended: if 1 do a recursive copy (properties, namespaces and children
|
|
* when applicable)
|
|
* if 2 copy properties and namespaces (when applicable)
|
|
*
|
|
* Do a copy of the node to a given document.
|
|
*
|
|
* Returns: a new #xmlNodePtr, or NULL in case of error.
|
|
*/
|
|
xmlNodePtr
|
|
xmlDocCopyNode(xmlNodePtr node, xmlDocPtr doc, int extended) {
|
|
xmlNodePtr ret;
|
|
|
|
ret = xmlStaticCopyNode(node, doc, NULL, extended);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlDocCopyNodeList:
|
|
* @doc: the target document
|
|
* @node: the first node in the list.
|
|
*
|
|
* Do a recursive copy of the node list.
|
|
*
|
|
* Returns: a new #xmlNodePtr, or NULL in case of error.
|
|
*/
|
|
xmlNodePtr xmlDocCopyNodeList(xmlDocPtr doc, xmlNodePtr node) {
|
|
xmlNodePtr ret = xmlStaticCopyNodeList(node, doc, NULL);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlCopyNodeList:
|
|
* @node: the first node in the list.
|
|
*
|
|
* Do a recursive copy of the node list.
|
|
* Use xmlDocCopyNodeList() if possible to ensure string interning.
|
|
*
|
|
* Returns: a new #xmlNodePtr, or NULL in case of error.
|
|
*/
|
|
xmlNodePtr xmlCopyNodeList(xmlNodePtr node) {
|
|
xmlNodePtr ret = xmlStaticCopyNodeList(node, NULL, NULL);
|
|
return(ret);
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED)
|
|
/**
|
|
* xmlCopyDtd:
|
|
* @dtd: the dtd
|
|
*
|
|
* Do a copy of the dtd.
|
|
*
|
|
* Returns: a new #xmlDtdPtr, or NULL in case of error.
|
|
*/
|
|
xmlDtdPtr
|
|
xmlCopyDtd(xmlDtdPtr dtd) {
|
|
xmlDtdPtr ret;
|
|
xmlNodePtr cur, p = NULL, q;
|
|
|
|
if (dtd == NULL) return(NULL);
|
|
ret = xmlNewDtd(NULL, dtd->name, dtd->ExternalID, dtd->SystemID);
|
|
if (ret == NULL) return(NULL);
|
|
if (dtd->entities != NULL)
|
|
ret->entities = (void *) xmlCopyEntitiesTable(
|
|
(xmlEntitiesTablePtr) dtd->entities);
|
|
if (dtd->notations != NULL)
|
|
ret->notations = (void *) xmlCopyNotationTable(
|
|
(xmlNotationTablePtr) dtd->notations);
|
|
if (dtd->elements != NULL)
|
|
ret->elements = (void *) xmlCopyElementTable(
|
|
(xmlElementTablePtr) dtd->elements);
|
|
if (dtd->attributes != NULL)
|
|
ret->attributes = (void *) xmlCopyAttributeTable(
|
|
(xmlAttributeTablePtr) dtd->attributes);
|
|
if (dtd->pentities != NULL)
|
|
ret->pentities = (void *) xmlCopyEntitiesTable(
|
|
(xmlEntitiesTablePtr) dtd->pentities);
|
|
|
|
cur = dtd->children;
|
|
while (cur != NULL) {
|
|
q = NULL;
|
|
|
|
if (cur->type == XML_ENTITY_DECL) {
|
|
xmlEntityPtr tmp = (xmlEntityPtr) cur;
|
|
switch (tmp->etype) {
|
|
case XML_INTERNAL_GENERAL_ENTITY:
|
|
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
|
|
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
|
|
q = (xmlNodePtr) xmlGetEntityFromDtd(ret, tmp->name);
|
|
break;
|
|
case XML_INTERNAL_PARAMETER_ENTITY:
|
|
case XML_EXTERNAL_PARAMETER_ENTITY:
|
|
q = (xmlNodePtr)
|
|
xmlGetParameterEntityFromDtd(ret, tmp->name);
|
|
break;
|
|
case XML_INTERNAL_PREDEFINED_ENTITY:
|
|
break;
|
|
}
|
|
} else if (cur->type == XML_ELEMENT_DECL) {
|
|
xmlElementPtr tmp = (xmlElementPtr) cur;
|
|
q = (xmlNodePtr)
|
|
xmlGetDtdQElementDesc(ret, tmp->name, tmp->prefix);
|
|
} else if (cur->type == XML_ATTRIBUTE_DECL) {
|
|
xmlAttributePtr tmp = (xmlAttributePtr) cur;
|
|
q = (xmlNodePtr)
|
|
xmlGetDtdQAttrDesc(ret, tmp->elem, tmp->name, tmp->prefix);
|
|
} else if (cur->type == XML_COMMENT_NODE) {
|
|
q = xmlCopyNode(cur, 0);
|
|
}
|
|
|
|
if (q == NULL) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
|
|
if (p == NULL)
|
|
ret->children = q;
|
|
else
|
|
p->next = q;
|
|
|
|
q->prev = p;
|
|
q->parent = (xmlNodePtr) ret;
|
|
q->next = NULL;
|
|
ret->last = q;
|
|
p = q;
|
|
cur = cur->next;
|
|
}
|
|
|
|
return(ret);
|
|
}
|
|
#endif
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlCopyDoc:
|
|
* @doc: the document
|
|
* @recursive: if not zero do a recursive copy.
|
|
*
|
|
* Do a copy of the document info. If recursive, the content tree will
|
|
* be copied too as well as DTD, namespaces and entities.
|
|
*
|
|
* Returns: a new #xmlDocPtr, or NULL in case of error.
|
|
*/
|
|
xmlDocPtr
|
|
xmlCopyDoc(xmlDocPtr doc, int recursive) {
|
|
xmlDocPtr ret;
|
|
|
|
if (doc == NULL) return(NULL);
|
|
ret = xmlNewDoc(doc->version);
|
|
if (ret == NULL) return(NULL);
|
|
ret->type = doc->type;
|
|
if (doc->name != NULL)
|
|
ret->name = xmlMemStrdup(doc->name);
|
|
if (doc->encoding != NULL)
|
|
ret->encoding = xmlStrdup(doc->encoding);
|
|
if (doc->URL != NULL)
|
|
ret->URL = xmlStrdup(doc->URL);
|
|
ret->charset = doc->charset;
|
|
ret->compression = doc->compression;
|
|
ret->standalone = doc->standalone;
|
|
if (!recursive) return(ret);
|
|
|
|
ret->last = NULL;
|
|
ret->children = NULL;
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
if (doc->intSubset != NULL) {
|
|
ret->intSubset = xmlCopyDtd(doc->intSubset);
|
|
if (ret->intSubset == NULL) {
|
|
xmlFreeDoc(ret);
|
|
return(NULL);
|
|
}
|
|
xmlSetTreeDoc((xmlNodePtr)ret->intSubset, ret);
|
|
ret->intSubset->parent = ret;
|
|
}
|
|
#endif
|
|
if (doc->oldNs != NULL)
|
|
ret->oldNs = xmlCopyNamespaceList(doc->oldNs);
|
|
if (doc->children != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
ret->children = xmlStaticCopyNodeList(doc->children, ret,
|
|
(xmlNodePtr)ret);
|
|
ret->last = NULL;
|
|
tmp = ret->children;
|
|
while (tmp != NULL) {
|
|
if (tmp->next == NULL)
|
|
ret->last = tmp;
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
return(ret);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Content access functions *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlGetLineNoInternal:
|
|
* @node: valid node
|
|
* @depth: used to limit any risk of recursion
|
|
*
|
|
* Get line number of @node.
|
|
* Try to override the limitation of lines being store in 16 bits ints
|
|
*
|
|
* Returns the line number if successful, -1 otherwise
|
|
*/
|
|
static long
|
|
xmlGetLineNoInternal(const xmlNode *node, int depth)
|
|
{
|
|
long result = -1;
|
|
|
|
if (depth >= 5)
|
|
return(-1);
|
|
|
|
if (!node)
|
|
return result;
|
|
if ((node->type == XML_ELEMENT_NODE) ||
|
|
(node->type == XML_TEXT_NODE) ||
|
|
(node->type == XML_COMMENT_NODE) ||
|
|
(node->type == XML_PI_NODE)) {
|
|
if (node->line == 65535) {
|
|
if ((node->type == XML_TEXT_NODE) && (node->psvi != NULL))
|
|
result = (long) (ptrdiff_t) node->psvi;
|
|
else if ((node->type == XML_ELEMENT_NODE) &&
|
|
(node->children != NULL))
|
|
result = xmlGetLineNoInternal(node->children, depth + 1);
|
|
else if (node->next != NULL)
|
|
result = xmlGetLineNoInternal(node->next, depth + 1);
|
|
else if (node->prev != NULL)
|
|
result = xmlGetLineNoInternal(node->prev, depth + 1);
|
|
}
|
|
if ((result == -1) || (result == 65535))
|
|
result = (long) node->line;
|
|
} else if ((node->prev != NULL) &&
|
|
((node->prev->type == XML_ELEMENT_NODE) ||
|
|
(node->prev->type == XML_TEXT_NODE) ||
|
|
(node->prev->type == XML_COMMENT_NODE) ||
|
|
(node->prev->type == XML_PI_NODE)))
|
|
result = xmlGetLineNoInternal(node->prev, depth + 1);
|
|
else if ((node->parent != NULL) &&
|
|
(node->parent->type == XML_ELEMENT_NODE))
|
|
result = xmlGetLineNoInternal(node->parent, depth + 1);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* xmlGetLineNo:
|
|
* @node: valid node
|
|
*
|
|
* Get line number of @node.
|
|
* Try to override the limitation of lines being store in 16 bits ints
|
|
* if XML_PARSE_BIG_LINES parser option was used
|
|
*
|
|
* Returns the line number if successful, -1 otherwise
|
|
*/
|
|
long
|
|
xmlGetLineNo(const xmlNode *node)
|
|
{
|
|
return(xmlGetLineNoInternal(node, 0));
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_DEBUG_ENABLED)
|
|
/**
|
|
* xmlGetNodePath:
|
|
* @node: a node
|
|
*
|
|
* Build a structure based Path for the given node
|
|
*
|
|
* Returns the new path or NULL in case of error. The caller must free
|
|
* the returned string
|
|
*/
|
|
xmlChar *
|
|
xmlGetNodePath(const xmlNode *node)
|
|
{
|
|
const xmlNode *cur, *tmp, *next;
|
|
xmlChar *buffer = NULL, *temp;
|
|
size_t buf_len;
|
|
xmlChar *buf;
|
|
const char *sep;
|
|
const char *name;
|
|
char nametemp[100];
|
|
int occur = 0, generic;
|
|
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL))
|
|
return (NULL);
|
|
|
|
buf_len = 500;
|
|
buffer = (xmlChar *) xmlMallocAtomic(buf_len * sizeof(xmlChar));
|
|
if (buffer == NULL) {
|
|
xmlTreeErrMemory("getting node path");
|
|
return (NULL);
|
|
}
|
|
buf = (xmlChar *) xmlMallocAtomic(buf_len * sizeof(xmlChar));
|
|
if (buf == NULL) {
|
|
xmlTreeErrMemory("getting node path");
|
|
xmlFree(buffer);
|
|
return (NULL);
|
|
}
|
|
|
|
buffer[0] = 0;
|
|
cur = node;
|
|
do {
|
|
name = "";
|
|
sep = "?";
|
|
occur = 0;
|
|
if ((cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_HTML_DOCUMENT_NODE)) {
|
|
if (buffer[0] == '/')
|
|
break;
|
|
sep = "/";
|
|
next = NULL;
|
|
} else if (cur->type == XML_ELEMENT_NODE) {
|
|
generic = 0;
|
|
sep = "/";
|
|
name = (const char *) cur->name;
|
|
if (cur->ns) {
|
|
if (cur->ns->prefix != NULL) {
|
|
snprintf(nametemp, sizeof(nametemp) - 1, "%s:%s",
|
|
(char *)cur->ns->prefix, (char *)cur->name);
|
|
nametemp[sizeof(nametemp) - 1] = 0;
|
|
name = nametemp;
|
|
} else {
|
|
/*
|
|
* We cannot express named elements in the default
|
|
* namespace, so use "*".
|
|
*/
|
|
generic = 1;
|
|
name = "*";
|
|
}
|
|
}
|
|
next = cur->parent;
|
|
|
|
/*
|
|
* Thumbler index computation
|
|
* TODO: the occurrence test seems bogus for namespaced names
|
|
*/
|
|
tmp = cur->prev;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_ELEMENT_NODE) &&
|
|
(generic ||
|
|
(xmlStrEqual(cur->name, tmp->name) &&
|
|
((tmp->ns == cur->ns) ||
|
|
((tmp->ns != NULL) && (cur->ns != NULL) &&
|
|
(xmlStrEqual(cur->ns->prefix, tmp->ns->prefix)))))))
|
|
occur++;
|
|
tmp = tmp->prev;
|
|
}
|
|
if (occur == 0) {
|
|
tmp = cur->next;
|
|
while (tmp != NULL && occur == 0) {
|
|
if ((tmp->type == XML_ELEMENT_NODE) &&
|
|
(generic ||
|
|
(xmlStrEqual(cur->name, tmp->name) &&
|
|
((tmp->ns == cur->ns) ||
|
|
((tmp->ns != NULL) && (cur->ns != NULL) &&
|
|
(xmlStrEqual(cur->ns->prefix, tmp->ns->prefix)))))))
|
|
occur++;
|
|
tmp = tmp->next;
|
|
}
|
|
if (occur != 0)
|
|
occur = 1;
|
|
} else
|
|
occur++;
|
|
} else if (cur->type == XML_COMMENT_NODE) {
|
|
sep = "/";
|
|
name = "comment()";
|
|
next = cur->parent;
|
|
|
|
/*
|
|
* Thumbler index computation
|
|
*/
|
|
tmp = cur->prev;
|
|
while (tmp != NULL) {
|
|
if (tmp->type == XML_COMMENT_NODE)
|
|
occur++;
|
|
tmp = tmp->prev;
|
|
}
|
|
if (occur == 0) {
|
|
tmp = cur->next;
|
|
while (tmp != NULL && occur == 0) {
|
|
if (tmp->type == XML_COMMENT_NODE)
|
|
occur++;
|
|
tmp = tmp->next;
|
|
}
|
|
if (occur != 0)
|
|
occur = 1;
|
|
} else
|
|
occur++;
|
|
} else if ((cur->type == XML_TEXT_NODE) ||
|
|
(cur->type == XML_CDATA_SECTION_NODE)) {
|
|
sep = "/";
|
|
name = "text()";
|
|
next = cur->parent;
|
|
|
|
/*
|
|
* Thumbler index computation
|
|
*/
|
|
tmp = cur->prev;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_TEXT_NODE) ||
|
|
(tmp->type == XML_CDATA_SECTION_NODE))
|
|
occur++;
|
|
tmp = tmp->prev;
|
|
}
|
|
/*
|
|
* Evaluate if this is the only text- or CDATA-section-node;
|
|
* if yes, then we'll get "text()", otherwise "text()[1]".
|
|
*/
|
|
if (occur == 0) {
|
|
tmp = cur->next;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_TEXT_NODE) ||
|
|
(tmp->type == XML_CDATA_SECTION_NODE))
|
|
{
|
|
occur = 1;
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
} else
|
|
occur++;
|
|
} else if (cur->type == XML_PI_NODE) {
|
|
sep = "/";
|
|
snprintf(nametemp, sizeof(nametemp) - 1,
|
|
"processing-instruction('%s')", (char *)cur->name);
|
|
nametemp[sizeof(nametemp) - 1] = 0;
|
|
name = nametemp;
|
|
|
|
next = cur->parent;
|
|
|
|
/*
|
|
* Thumbler index computation
|
|
*/
|
|
tmp = cur->prev;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_PI_NODE) &&
|
|
(xmlStrEqual(cur->name, tmp->name)))
|
|
occur++;
|
|
tmp = tmp->prev;
|
|
}
|
|
if (occur == 0) {
|
|
tmp = cur->next;
|
|
while (tmp != NULL && occur == 0) {
|
|
if ((tmp->type == XML_PI_NODE) &&
|
|
(xmlStrEqual(cur->name, tmp->name)))
|
|
occur++;
|
|
tmp = tmp->next;
|
|
}
|
|
if (occur != 0)
|
|
occur = 1;
|
|
} else
|
|
occur++;
|
|
|
|
} else if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
sep = "/@";
|
|
name = (const char *) (((xmlAttrPtr) cur)->name);
|
|
if (cur->ns) {
|
|
if (cur->ns->prefix != NULL)
|
|
snprintf(nametemp, sizeof(nametemp) - 1, "%s:%s",
|
|
(char *)cur->ns->prefix, (char *)cur->name);
|
|
else
|
|
snprintf(nametemp, sizeof(nametemp) - 1, "%s",
|
|
(char *)cur->name);
|
|
nametemp[sizeof(nametemp) - 1] = 0;
|
|
name = nametemp;
|
|
}
|
|
next = ((xmlAttrPtr) cur)->parent;
|
|
} else {
|
|
xmlFree(buf);
|
|
xmlFree(buffer);
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Make sure there is enough room
|
|
*/
|
|
if (xmlStrlen(buffer) + sizeof(nametemp) + 20 > buf_len) {
|
|
buf_len =
|
|
2 * buf_len + xmlStrlen(buffer) + sizeof(nametemp) + 20;
|
|
temp = (xmlChar *) xmlRealloc(buffer, buf_len);
|
|
if (temp == NULL) {
|
|
xmlTreeErrMemory("getting node path");
|
|
xmlFree(buf);
|
|
xmlFree(buffer);
|
|
return (NULL);
|
|
}
|
|
buffer = temp;
|
|
temp = (xmlChar *) xmlRealloc(buf, buf_len);
|
|
if (temp == NULL) {
|
|
xmlTreeErrMemory("getting node path");
|
|
xmlFree(buf);
|
|
xmlFree(buffer);
|
|
return (NULL);
|
|
}
|
|
buf = temp;
|
|
}
|
|
if (occur == 0)
|
|
snprintf((char *) buf, buf_len, "%s%s%s",
|
|
sep, name, (char *) buffer);
|
|
else
|
|
snprintf((char *) buf, buf_len, "%s%s[%d]%s",
|
|
sep, name, occur, (char *) buffer);
|
|
snprintf((char *) buffer, buf_len, "%s", (char *)buf);
|
|
cur = next;
|
|
} while (cur != NULL);
|
|
xmlFree(buf);
|
|
return (buffer);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlDocGetRootElement:
|
|
* @doc: the document
|
|
*
|
|
* Get the root element of the document (doc->children is a list
|
|
* containing possibly comments, PIs, etc ...).
|
|
*
|
|
* Returns the #xmlNodePtr for the root or NULL
|
|
*/
|
|
xmlNodePtr
|
|
xmlDocGetRootElement(const xmlDoc *doc) {
|
|
xmlNodePtr ret;
|
|
|
|
if (doc == NULL) return(NULL);
|
|
ret = doc->children;
|
|
while (ret != NULL) {
|
|
if (ret->type == XML_ELEMENT_NODE)
|
|
return(ret);
|
|
ret = ret->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_WRITER_ENABLED)
|
|
/**
|
|
* xmlDocSetRootElement:
|
|
* @doc: the document
|
|
* @root: the new document root element, if root is NULL no action is taken,
|
|
* to remove a node from a document use xmlUnlinkNode(root) instead.
|
|
*
|
|
* Set the root element of the document (doc->children is a list
|
|
* containing possibly comments, PIs, etc ...).
|
|
*
|
|
* Returns the old root element if any was found, NULL if root was NULL
|
|
*/
|
|
xmlNodePtr
|
|
xmlDocSetRootElement(xmlDocPtr doc, xmlNodePtr root) {
|
|
xmlNodePtr old = NULL;
|
|
|
|
if (doc == NULL) return(NULL);
|
|
if ((root == NULL) || (root->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
xmlUnlinkNode(root);
|
|
xmlSetTreeDoc(root, doc);
|
|
root->parent = (xmlNodePtr) doc;
|
|
old = doc->children;
|
|
while (old != NULL) {
|
|
if (old->type == XML_ELEMENT_NODE)
|
|
break;
|
|
old = old->next;
|
|
}
|
|
if (old == NULL) {
|
|
if (doc->children == NULL) {
|
|
doc->children = root;
|
|
doc->last = root;
|
|
} else {
|
|
xmlAddSibling(doc->children, root);
|
|
}
|
|
} else {
|
|
xmlReplaceNode(old, root);
|
|
}
|
|
return(old);
|
|
}
|
|
#endif
|
|
|
|
#if defined(LIBXML_TREE_ENABLED)
|
|
/**
|
|
* xmlNodeSetLang:
|
|
* @cur: the node being changed
|
|
* @lang: the language description
|
|
*
|
|
* Set the language of a node, i.e. the values of the xml:lang
|
|
* attribute.
|
|
*/
|
|
void
|
|
xmlNodeSetLang(xmlNodePtr cur, const xmlChar *lang) {
|
|
xmlNsPtr ns;
|
|
|
|
if (cur == NULL) return;
|
|
switch(cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
case XML_PI_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return;
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
break;
|
|
}
|
|
ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE);
|
|
if (ns == NULL)
|
|
return;
|
|
xmlSetNsProp(cur, ns, BAD_CAST "lang", lang);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNodeGetLang:
|
|
* @cur: the node being checked
|
|
*
|
|
* Searches the language of a node, i.e. the values of the xml:lang
|
|
* attribute or the one carried by the nearest ancestor.
|
|
*
|
|
* Returns a pointer to the lang value, or NULL if not found
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlNodeGetLang(const xmlNode *cur) {
|
|
xmlChar *lang;
|
|
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
while (cur != NULL) {
|
|
lang = xmlGetNsProp(cur, BAD_CAST "lang", XML_XML_NAMESPACE);
|
|
if (lang != NULL)
|
|
return(lang);
|
|
cur = cur->parent;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNodeSetSpacePreserve:
|
|
* @cur: the node being changed
|
|
* @val: the xml:space value ("0": default, 1: "preserve")
|
|
*
|
|
* Set (or reset) the space preserving behaviour of a node, i.e. the
|
|
* value of the xml:space attribute.
|
|
*/
|
|
void
|
|
xmlNodeSetSpacePreserve(xmlNodePtr cur, int val) {
|
|
xmlNsPtr ns;
|
|
|
|
if (cur == NULL) return;
|
|
switch(cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
case XML_PI_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return;
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
break;
|
|
}
|
|
ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE);
|
|
if (ns == NULL)
|
|
return;
|
|
switch (val) {
|
|
case 0:
|
|
xmlSetNsProp(cur, ns, BAD_CAST "space", BAD_CAST "default");
|
|
break;
|
|
case 1:
|
|
xmlSetNsProp(cur, ns, BAD_CAST "space", BAD_CAST "preserve");
|
|
break;
|
|
}
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNodeGetSpacePreserve:
|
|
* @cur: the node being checked
|
|
*
|
|
* Searches the space preserving behaviour of a node, i.e. the values
|
|
* of the xml:space attribute or the one carried by the nearest
|
|
* ancestor.
|
|
*
|
|
* Returns -1 if xml:space is not inherited, 0 if "default", 1 if "preserve"
|
|
*/
|
|
int
|
|
xmlNodeGetSpacePreserve(const xmlNode *cur) {
|
|
xmlChar *space;
|
|
|
|
if ((cur == NULL) || (cur->type != XML_ELEMENT_NODE))
|
|
return(-1);
|
|
while (cur != NULL) {
|
|
space = xmlGetNsProp(cur, BAD_CAST "space", XML_XML_NAMESPACE);
|
|
if (space != NULL) {
|
|
if (xmlStrEqual(space, BAD_CAST "preserve")) {
|
|
xmlFree(space);
|
|
return(1);
|
|
}
|
|
if (xmlStrEqual(space, BAD_CAST "default")) {
|
|
xmlFree(space);
|
|
return(0);
|
|
}
|
|
xmlFree(space);
|
|
}
|
|
cur = cur->parent;
|
|
}
|
|
return(-1);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNodeSetName:
|
|
* @cur: the node being changed
|
|
* @name: the new tag name
|
|
*
|
|
* Set (or reset) the name of a node.
|
|
*/
|
|
void
|
|
xmlNodeSetName(xmlNodePtr cur, const xmlChar *name) {
|
|
xmlDocPtr doc;
|
|
xmlDictPtr dict;
|
|
const xmlChar *freeme = NULL;
|
|
|
|
if (cur == NULL) return;
|
|
if (name == NULL) return;
|
|
switch(cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return;
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
break;
|
|
}
|
|
doc = cur->doc;
|
|
if (doc != NULL)
|
|
dict = doc->dict;
|
|
else
|
|
dict = NULL;
|
|
if (dict != NULL) {
|
|
if ((cur->name != NULL) && (!xmlDictOwns(dict, cur->name)))
|
|
freeme = cur->name;
|
|
cur->name = xmlDictLookup(dict, name, -1);
|
|
} else {
|
|
if (cur->name != NULL)
|
|
freeme = cur->name;
|
|
cur->name = xmlStrdup(name);
|
|
}
|
|
|
|
if (freeme)
|
|
xmlFree((xmlChar *) freeme);
|
|
}
|
|
#endif
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED)
|
|
/**
|
|
* xmlNodeSetBase:
|
|
* @cur: the node being changed
|
|
* @uri: the new base URI
|
|
*
|
|
* Set (or reset) the base URI of a node, i.e. the value of the
|
|
* xml:base attribute.
|
|
*/
|
|
void
|
|
xmlNodeSetBase(xmlNodePtr cur, const xmlChar* uri) {
|
|
xmlNsPtr ns;
|
|
xmlChar* fixed;
|
|
|
|
if (cur == NULL) return;
|
|
switch(cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
case XML_PI_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return;
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE: {
|
|
xmlDocPtr doc = (xmlDocPtr) cur;
|
|
|
|
if (doc->URL != NULL)
|
|
xmlFree((xmlChar *) doc->URL);
|
|
if (uri == NULL)
|
|
doc->URL = NULL;
|
|
else
|
|
doc->URL = xmlPathToURI(uri);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE);
|
|
if (ns == NULL)
|
|
return;
|
|
fixed = xmlPathToURI(uri);
|
|
if (fixed != NULL) {
|
|
xmlSetNsProp(cur, ns, BAD_CAST "base", fixed);
|
|
xmlFree(fixed);
|
|
} else {
|
|
xmlSetNsProp(cur, ns, BAD_CAST "base", uri);
|
|
}
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNodeGetBase:
|
|
* @doc: the document the node pertains to
|
|
* @cur: the node being checked
|
|
*
|
|
* Searches for the BASE URL. The code should work on both XML
|
|
* and HTML document even if base mechanisms are completely different.
|
|
* It returns the base as defined in RFC 2396 sections
|
|
* 5.1.1. Base URI within Document Content
|
|
* and
|
|
* 5.1.2. Base URI from the Encapsulating Entity
|
|
* However it does not return the document base (5.1.3), use
|
|
* doc->URL in this case
|
|
*
|
|
* Returns a pointer to the base URL, or NULL if not found
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlNodeGetBase(const xmlDoc *doc, const xmlNode *cur) {
|
|
xmlChar *oldbase = NULL;
|
|
xmlChar *base, *newbase;
|
|
|
|
if ((cur == NULL) && (doc == NULL))
|
|
return(NULL);
|
|
if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
if (doc == NULL) doc = cur->doc;
|
|
if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) {
|
|
cur = doc->children;
|
|
while ((cur != NULL) && (cur->name != NULL)) {
|
|
if (cur->type != XML_ELEMENT_NODE) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
if (!xmlStrcasecmp(cur->name, BAD_CAST "html")) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
if (!xmlStrcasecmp(cur->name, BAD_CAST "head")) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
if (!xmlStrcasecmp(cur->name, BAD_CAST "base")) {
|
|
return(xmlGetProp(cur, BAD_CAST "href"));
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
return(NULL);
|
|
}
|
|
while (cur != NULL) {
|
|
if (cur->type == XML_ENTITY_DECL) {
|
|
xmlEntityPtr ent = (xmlEntityPtr) cur;
|
|
return(xmlStrdup(ent->URI));
|
|
}
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
base = xmlGetNsProp(cur, BAD_CAST "base", XML_XML_NAMESPACE);
|
|
if (base != NULL) {
|
|
if (oldbase != NULL) {
|
|
newbase = xmlBuildURI(oldbase, base);
|
|
if (newbase != NULL) {
|
|
xmlFree(oldbase);
|
|
xmlFree(base);
|
|
oldbase = newbase;
|
|
} else {
|
|
xmlFree(oldbase);
|
|
xmlFree(base);
|
|
return(NULL);
|
|
}
|
|
} else {
|
|
oldbase = base;
|
|
}
|
|
if ((!xmlStrncmp(oldbase, BAD_CAST "http://", 7)) ||
|
|
(!xmlStrncmp(oldbase, BAD_CAST "ftp://", 6)) ||
|
|
(!xmlStrncmp(oldbase, BAD_CAST "urn:", 4)))
|
|
return(oldbase);
|
|
}
|
|
}
|
|
cur = cur->parent;
|
|
}
|
|
if ((doc != NULL) && (doc->URL != NULL)) {
|
|
if (oldbase == NULL)
|
|
return(xmlStrdup(doc->URL));
|
|
newbase = xmlBuildURI(oldbase, doc->URL);
|
|
xmlFree(oldbase);
|
|
return(newbase);
|
|
}
|
|
return(oldbase);
|
|
}
|
|
|
|
/**
|
|
* xmlNodeBufGetContent:
|
|
* @buffer: a buffer
|
|
* @cur: the node being read
|
|
*
|
|
* Read the value of a node @cur, this can be either the text carried
|
|
* directly by this node if it's a TEXT node or the aggregate string
|
|
* of the values carried by this node child's (TEXT and ENTITY_REF).
|
|
* Entity references are substituted.
|
|
* Fills up the buffer @buffer with this value
|
|
*
|
|
* Returns 0 in case of success and -1 in case of error.
|
|
*/
|
|
int
|
|
xmlNodeBufGetContent(xmlBufferPtr buffer, const xmlNode *cur)
|
|
{
|
|
xmlBufPtr buf;
|
|
int ret;
|
|
|
|
if ((cur == NULL) || (buffer == NULL)) return(-1);
|
|
buf = xmlBufFromBuffer(buffer);
|
|
ret = xmlBufGetNodeContent(buf, cur);
|
|
buffer = xmlBufBackToBuffer(buf);
|
|
if ((ret < 0) || (buffer == NULL))
|
|
return(-1);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlBufGetNodeContent:
|
|
* @buf: a buffer xmlBufPtr
|
|
* @cur: the node being read
|
|
*
|
|
* Read the value of a node @cur, this can be either the text carried
|
|
* directly by this node if it's a TEXT node or the aggregate string
|
|
* of the values carried by this node child's (TEXT and ENTITY_REF).
|
|
* Entity references are substituted.
|
|
* Fills up the buffer @buf with this value
|
|
*
|
|
* Returns 0 in case of success and -1 in case of error.
|
|
*/
|
|
int
|
|
xmlBufGetNodeContent(xmlBufPtr buf, const xmlNode *cur)
|
|
{
|
|
if ((cur == NULL) || (buf == NULL)) return(-1);
|
|
switch (cur->type) {
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_TEXT_NODE:
|
|
xmlBufCat(buf, cur->content);
|
|
break;
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ELEMENT_NODE:{
|
|
const xmlNode *tmp = cur;
|
|
|
|
while (tmp != NULL) {
|
|
switch (tmp->type) {
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_TEXT_NODE:
|
|
if (tmp->content != NULL)
|
|
xmlBufCat(buf, tmp->content);
|
|
break;
|
|
case XML_ENTITY_REF_NODE:
|
|
xmlBufGetNodeContent(buf, tmp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
/*
|
|
* Skip to next node
|
|
*/
|
|
if (tmp->children != NULL) {
|
|
if (tmp->children->type != XML_ENTITY_DECL) {
|
|
tmp = tmp->children;
|
|
continue;
|
|
}
|
|
}
|
|
if (tmp == cur)
|
|
break;
|
|
|
|
if (tmp->next != NULL) {
|
|
tmp = tmp->next;
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
tmp = tmp->parent;
|
|
if (tmp == NULL)
|
|
break;
|
|
if (tmp == cur) {
|
|
tmp = NULL;
|
|
break;
|
|
}
|
|
if (tmp->next != NULL) {
|
|
tmp = tmp->next;
|
|
break;
|
|
}
|
|
} while (tmp != NULL);
|
|
}
|
|
break;
|
|
}
|
|
case XML_ATTRIBUTE_NODE:{
|
|
xmlAttrPtr attr = (xmlAttrPtr) cur;
|
|
xmlNodePtr tmp = attr->children;
|
|
|
|
while (tmp != NULL) {
|
|
if (tmp->type == XML_TEXT_NODE)
|
|
xmlBufCat(buf, tmp->content);
|
|
else
|
|
xmlBufGetNodeContent(buf, tmp);
|
|
tmp = tmp->next;
|
|
}
|
|
break;
|
|
}
|
|
case XML_COMMENT_NODE:
|
|
case XML_PI_NODE:
|
|
xmlBufCat(buf, cur->content);
|
|
break;
|
|
case XML_ENTITY_REF_NODE:{
|
|
xmlEntityPtr ent;
|
|
xmlNodePtr tmp;
|
|
|
|
/* lookup entity declaration */
|
|
ent = xmlGetDocEntity(cur->doc, cur->name);
|
|
if (ent == NULL)
|
|
return(-1);
|
|
|
|
/* an entity content can be any "well balanced chunk",
|
|
* i.e. the result of the content [43] production:
|
|
* http://www.w3.org/TR/REC-xml#NT-content
|
|
* -> we iterate through child nodes and recursive call
|
|
* xmlNodeGetContent() which handles all possible node types */
|
|
tmp = ent->children;
|
|
while (tmp) {
|
|
xmlBufGetNodeContent(buf, tmp);
|
|
tmp = tmp->next;
|
|
}
|
|
break;
|
|
}
|
|
case XML_ENTITY_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
cur = cur->children;
|
|
while (cur!= NULL) {
|
|
if ((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_TEXT_NODE) ||
|
|
(cur->type == XML_CDATA_SECTION_NODE)) {
|
|
xmlBufGetNodeContent(buf, cur);
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
break;
|
|
case XML_NAMESPACE_DECL:
|
|
xmlBufCat(buf, ((xmlNsPtr) cur)->href);
|
|
break;
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
break;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlNodeGetContent:
|
|
* @cur: the node being read
|
|
*
|
|
* Read the value of a node, this can be either the text carried
|
|
* directly by this node if it's a TEXT node or the aggregate string
|
|
* of the values carried by this node child's (TEXT and ENTITY_REF).
|
|
* Entity references are substituted.
|
|
* Returns a new #xmlChar * or NULL if no content is available.
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlNodeGetContent(const xmlNode *cur)
|
|
{
|
|
if (cur == NULL)
|
|
return (NULL);
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ELEMENT_NODE:{
|
|
xmlBufPtr buf;
|
|
xmlChar *ret;
|
|
|
|
buf = xmlBufCreateSize(64);
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
xmlBufGetNodeContent(buf, cur);
|
|
ret = xmlBufDetach(buf);
|
|
xmlBufFree(buf);
|
|
return (ret);
|
|
}
|
|
case XML_ATTRIBUTE_NODE:
|
|
return(xmlGetPropNodeValueInternal((xmlAttrPtr) cur));
|
|
case XML_COMMENT_NODE:
|
|
case XML_PI_NODE:
|
|
if (cur->content != NULL)
|
|
return (xmlStrdup(cur->content));
|
|
return (NULL);
|
|
case XML_ENTITY_REF_NODE:{
|
|
xmlEntityPtr ent;
|
|
xmlBufPtr buf;
|
|
xmlChar *ret;
|
|
|
|
/* lookup entity declaration */
|
|
ent = xmlGetDocEntity(cur->doc, cur->name);
|
|
if (ent == NULL)
|
|
return (NULL);
|
|
|
|
buf = xmlBufCreate();
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
|
|
xmlBufGetNodeContent(buf, cur);
|
|
|
|
ret = xmlBufDetach(buf);
|
|
xmlBufFree(buf);
|
|
return (ret);
|
|
}
|
|
case XML_ENTITY_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return (NULL);
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE: {
|
|
xmlBufPtr buf;
|
|
xmlChar *ret;
|
|
|
|
buf = xmlBufCreate();
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
|
|
xmlBufGetNodeContent(buf, (xmlNodePtr) cur);
|
|
|
|
ret = xmlBufDetach(buf);
|
|
xmlBufFree(buf);
|
|
return (ret);
|
|
}
|
|
case XML_NAMESPACE_DECL: {
|
|
xmlChar *tmp;
|
|
|
|
tmp = xmlStrdup(((xmlNsPtr) cur)->href);
|
|
return (tmp);
|
|
}
|
|
case XML_ELEMENT_DECL:
|
|
/* TODO !!! */
|
|
return (NULL);
|
|
case XML_ATTRIBUTE_DECL:
|
|
/* TODO !!! */
|
|
return (NULL);
|
|
case XML_ENTITY_DECL:
|
|
/* TODO !!! */
|
|
return (NULL);
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_TEXT_NODE:
|
|
if (cur->content != NULL)
|
|
return (xmlStrdup(cur->content));
|
|
return (NULL);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlNodeSetContent:
|
|
* @cur: the node being modified
|
|
* @content: the new value of the content
|
|
*
|
|
* Replace the content of a node.
|
|
* NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity
|
|
* references, but XML special chars need to be escaped first by using
|
|
* xmlEncodeEntitiesReentrant() resp. xmlEncodeSpecialChars().
|
|
*/
|
|
void
|
|
xmlNodeSetContent(xmlNodePtr cur, const xmlChar *content) {
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeSetContent : node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
cur->children = xmlStringGetNodeList(cur->doc, content);
|
|
UPDATE_LAST_CHILD_AND_PARENT(cur)
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
if ((cur->content != NULL) &&
|
|
(cur->content != (xmlChar *) &(cur->properties))) {
|
|
if (!((cur->doc != NULL) && (cur->doc->dict != NULL) &&
|
|
(xmlDictOwns(cur->doc->dict, cur->content))))
|
|
xmlFree(cur->content);
|
|
}
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
cur->last = cur->children = NULL;
|
|
if (content != NULL) {
|
|
cur->content = xmlStrdup(content);
|
|
} else
|
|
cur->content = NULL;
|
|
cur->properties = NULL;
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
break;
|
|
case XML_NOTATION_NODE:
|
|
break;
|
|
case XML_DTD_NODE:
|
|
break;
|
|
case XML_NAMESPACE_DECL:
|
|
break;
|
|
case XML_ELEMENT_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
case XML_ATTRIBUTE_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
case XML_ENTITY_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlNodeSetContentLen:
|
|
* @cur: the node being modified
|
|
* @content: the new value of the content
|
|
* @len: the size of @content
|
|
*
|
|
* Replace the content of a node.
|
|
* NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity
|
|
* references, but XML special chars need to be escaped first by using
|
|
* xmlEncodeEntitiesReentrant() resp. xmlEncodeSpecialChars().
|
|
*/
|
|
void
|
|
xmlNodeSetContentLen(xmlNodePtr cur, const xmlChar *content, int len) {
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeSetContentLen : node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
cur->children = xmlStringLenGetNodeList(cur->doc, content, len);
|
|
UPDATE_LAST_CHILD_AND_PARENT(cur)
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_NOTATION_NODE:
|
|
if ((cur->content != NULL) &&
|
|
(cur->content != (xmlChar *) &(cur->properties))) {
|
|
if (!((cur->doc != NULL) && (cur->doc->dict != NULL) &&
|
|
(xmlDictOwns(cur->doc->dict, cur->content))))
|
|
xmlFree(cur->content);
|
|
}
|
|
if (cur->children != NULL) xmlFreeNodeList(cur->children);
|
|
cur->children = cur->last = NULL;
|
|
if (content != NULL) {
|
|
cur->content = xmlStrndup(content, len);
|
|
} else
|
|
cur->content = NULL;
|
|
cur->properties = NULL;
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
break;
|
|
case XML_ELEMENT_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
case XML_ATTRIBUTE_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
case XML_ENTITY_DECL:
|
|
/* TODO !!! */
|
|
break;
|
|
}
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNodeAddContentLen:
|
|
* @cur: the node being modified
|
|
* @content: extra content
|
|
* @len: the size of @content
|
|
*
|
|
* Append the extra substring to the node content.
|
|
* NOTE: In contrast to xmlNodeSetContentLen(), @content is supposed to be
|
|
* raw text, so unescaped XML special chars are allowed, entity
|
|
* references are not supported.
|
|
*/
|
|
void
|
|
xmlNodeAddContentLen(xmlNodePtr cur, const xmlChar *content, int len) {
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeAddContentLen : node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if (len <= 0) return;
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ELEMENT_NODE: {
|
|
xmlNodePtr last, newNode, tmp;
|
|
|
|
last = cur->last;
|
|
newNode = xmlNewDocTextLen(cur->doc, content, len);
|
|
if (newNode != NULL) {
|
|
tmp = xmlAddChild(cur, newNode);
|
|
if (tmp != newNode)
|
|
return;
|
|
if ((last != NULL) && (last->next == newNode)) {
|
|
xmlTextMerge(last, newNode);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case XML_ATTRIBUTE_NODE:
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_NOTATION_NODE:
|
|
if (content != NULL) {
|
|
if ((cur->content == (xmlChar *) &(cur->properties)) ||
|
|
((cur->doc != NULL) && (cur->doc->dict != NULL) &&
|
|
xmlDictOwns(cur->doc->dict, cur->content))) {
|
|
cur->content = xmlStrncatNew(cur->content, content, len);
|
|
cur->properties = NULL;
|
|
} else {
|
|
cur->content = xmlStrncat(cur->content, content, len);
|
|
}
|
|
}
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_NAMESPACE_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
break;
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlNodeAddContent:
|
|
* @cur: the node being modified
|
|
* @content: extra content
|
|
*
|
|
* Append the extra substring to the node content.
|
|
* NOTE: In contrast to xmlNodeSetContent(), @content is supposed to be
|
|
* raw text, so unescaped XML special chars are allowed, entity
|
|
* references are not supported.
|
|
*/
|
|
void
|
|
xmlNodeAddContent(xmlNodePtr cur, const xmlChar *content) {
|
|
int len;
|
|
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeAddContent : node == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if (content == NULL) return;
|
|
len = xmlStrlen(content);
|
|
xmlNodeAddContentLen(cur, content, len);
|
|
}
|
|
|
|
/**
|
|
* xmlTextMerge:
|
|
* @first: the first text node
|
|
* @second: the second text node being merged
|
|
*
|
|
* Merge two text nodes into one
|
|
* Returns the first text node augmented
|
|
*/
|
|
xmlNodePtr
|
|
xmlTextMerge(xmlNodePtr first, xmlNodePtr second) {
|
|
if (first == NULL) return(second);
|
|
if (second == NULL) return(first);
|
|
if (first->type != XML_TEXT_NODE) return(first);
|
|
if (second->type != XML_TEXT_NODE) return(first);
|
|
if (second->name != first->name)
|
|
return(first);
|
|
xmlNodeAddContent(first, second->content);
|
|
xmlUnlinkNode(second);
|
|
xmlFreeNode(second);
|
|
return(first);
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlGetNsList:
|
|
* @doc: the document
|
|
* @node: the current node
|
|
*
|
|
* Search all the namespace applying to a given element.
|
|
* Returns an NULL terminated array of all the #xmlNsPtr found
|
|
* that need to be freed by the caller or NULL if no
|
|
* namespace if defined
|
|
*/
|
|
xmlNsPtr *
|
|
xmlGetNsList(const xmlDoc *doc ATTRIBUTE_UNUSED, const xmlNode *node)
|
|
{
|
|
xmlNsPtr cur;
|
|
xmlNsPtr *ret = NULL;
|
|
int nbns = 0;
|
|
int maxns = 10;
|
|
int i;
|
|
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
|
|
while (node != NULL) {
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
cur = node->nsDef;
|
|
while (cur != NULL) {
|
|
if (ret == NULL) {
|
|
ret =
|
|
(xmlNsPtr *) xmlMalloc((maxns + 1) *
|
|
sizeof(xmlNsPtr));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("getting namespace list");
|
|
return (NULL);
|
|
}
|
|
ret[nbns] = NULL;
|
|
}
|
|
for (i = 0; i < nbns; i++) {
|
|
if ((cur->prefix == ret[i]->prefix) ||
|
|
(xmlStrEqual(cur->prefix, ret[i]->prefix)))
|
|
break;
|
|
}
|
|
if (i >= nbns) {
|
|
if (nbns >= maxns) {
|
|
maxns *= 2;
|
|
ret = (xmlNsPtr *) xmlRealloc(ret,
|
|
(maxns +
|
|
1) *
|
|
sizeof(xmlNsPtr));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("getting namespace list");
|
|
return (NULL);
|
|
}
|
|
}
|
|
ret[nbns++] = cur;
|
|
ret[nbns] = NULL;
|
|
}
|
|
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
node = node->parent;
|
|
}
|
|
return (ret);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/*
|
|
* xmlTreeEnsureXMLDecl:
|
|
* @doc: the doc
|
|
*
|
|
* Ensures that there is an XML namespace declaration on the doc.
|
|
*
|
|
* Returns the XML ns-struct or NULL on API and internal errors.
|
|
*/
|
|
static xmlNsPtr
|
|
xmlTreeEnsureXMLDecl(xmlDocPtr doc)
|
|
{
|
|
if (doc == NULL)
|
|
return (NULL);
|
|
if (doc->oldNs != NULL)
|
|
return (doc->oldNs);
|
|
{
|
|
xmlNsPtr ns;
|
|
ns = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
|
if (ns == NULL) {
|
|
xmlTreeErrMemory(
|
|
"allocating the XML namespace");
|
|
return (NULL);
|
|
}
|
|
memset(ns, 0, sizeof(xmlNs));
|
|
ns->type = XML_LOCAL_NAMESPACE;
|
|
ns->href = xmlStrdup(XML_XML_NAMESPACE);
|
|
ns->prefix = xmlStrdup((const xmlChar *)"xml");
|
|
doc->oldNs = ns;
|
|
return (ns);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlSearchNs:
|
|
* @doc: the document
|
|
* @node: the current node
|
|
* @nameSpace: the namespace prefix
|
|
*
|
|
* Search a Ns registered under a given name space for a document.
|
|
* recurse on the parents until it finds the defined namespace
|
|
* or return NULL otherwise.
|
|
* @nameSpace can be NULL, this is a search for the default namespace.
|
|
* We don't allow to cross entities boundaries. If you don't declare
|
|
* the namespace within those you will be in troubles !!! A warning
|
|
* is generated to cover this case.
|
|
*
|
|
* Returns the namespace pointer or NULL.
|
|
*/
|
|
xmlNsPtr
|
|
xmlSearchNs(xmlDocPtr doc, xmlNodePtr node, const xmlChar *nameSpace) {
|
|
|
|
xmlNsPtr cur;
|
|
const xmlNode *orig = node;
|
|
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) return(NULL);
|
|
if ((nameSpace != NULL) &&
|
|
(xmlStrEqual(nameSpace, (const xmlChar *)"xml"))) {
|
|
if ((doc == NULL) && (node->type == XML_ELEMENT_NODE)) {
|
|
/*
|
|
* The XML-1.0 namespace is normally held on the root
|
|
* element. In this case exceptionally create it on the
|
|
* node element.
|
|
*/
|
|
cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("searching namespace");
|
|
return(NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNs));
|
|
cur->type = XML_LOCAL_NAMESPACE;
|
|
cur->href = xmlStrdup(XML_XML_NAMESPACE);
|
|
cur->prefix = xmlStrdup((const xmlChar *)"xml");
|
|
cur->next = node->nsDef;
|
|
node->nsDef = cur;
|
|
return(cur);
|
|
}
|
|
if (doc == NULL) {
|
|
doc = node->doc;
|
|
if (doc == NULL)
|
|
return(NULL);
|
|
}
|
|
/*
|
|
* Return the XML namespace declaration held by the doc.
|
|
*/
|
|
if (doc->oldNs == NULL)
|
|
return(xmlTreeEnsureXMLDecl(doc));
|
|
else
|
|
return(doc->oldNs);
|
|
}
|
|
while (node != NULL) {
|
|
if ((node->type == XML_ENTITY_REF_NODE) ||
|
|
(node->type == XML_ENTITY_NODE) ||
|
|
(node->type == XML_ENTITY_DECL))
|
|
return(NULL);
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
cur = node->nsDef;
|
|
while (cur != NULL) {
|
|
if ((cur->prefix == NULL) && (nameSpace == NULL) &&
|
|
(cur->href != NULL))
|
|
return(cur);
|
|
if ((cur->prefix != NULL) && (nameSpace != NULL) &&
|
|
(cur->href != NULL) &&
|
|
(xmlStrEqual(cur->prefix, nameSpace)))
|
|
return(cur);
|
|
cur = cur->next;
|
|
}
|
|
if (orig != node) {
|
|
cur = node->ns;
|
|
if (cur != NULL) {
|
|
if ((cur->prefix == NULL) && (nameSpace == NULL) &&
|
|
(cur->href != NULL))
|
|
return(cur);
|
|
if ((cur->prefix != NULL) && (nameSpace != NULL) &&
|
|
(cur->href != NULL) &&
|
|
(xmlStrEqual(cur->prefix, nameSpace)))
|
|
return(cur);
|
|
}
|
|
}
|
|
}
|
|
node = node->parent;
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlNsInScope:
|
|
* @doc: the document
|
|
* @node: the current node
|
|
* @ancestor: the ancestor carrying the namespace
|
|
* @prefix: the namespace prefix
|
|
*
|
|
* Verify that the given namespace held on @ancestor is still in scope
|
|
* on node.
|
|
*
|
|
* Returns 1 if true, 0 if false and -1 in case of error.
|
|
*/
|
|
static int
|
|
xmlNsInScope(xmlDocPtr doc ATTRIBUTE_UNUSED, xmlNodePtr node,
|
|
xmlNodePtr ancestor, const xmlChar * prefix)
|
|
{
|
|
xmlNsPtr tst;
|
|
|
|
while ((node != NULL) && (node != ancestor)) {
|
|
if ((node->type == XML_ENTITY_REF_NODE) ||
|
|
(node->type == XML_ENTITY_NODE) ||
|
|
(node->type == XML_ENTITY_DECL))
|
|
return (-1);
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
tst = node->nsDef;
|
|
while (tst != NULL) {
|
|
if ((tst->prefix == NULL)
|
|
&& (prefix == NULL))
|
|
return (0);
|
|
if ((tst->prefix != NULL)
|
|
&& (prefix != NULL)
|
|
&& (xmlStrEqual(tst->prefix, prefix)))
|
|
return (0);
|
|
tst = tst->next;
|
|
}
|
|
}
|
|
node = node->parent;
|
|
}
|
|
if (node != ancestor)
|
|
return (-1);
|
|
return (1);
|
|
}
|
|
|
|
/**
|
|
* xmlSearchNsByHref:
|
|
* @doc: the document
|
|
* @node: the current node
|
|
* @href: the namespace value
|
|
*
|
|
* Search a Ns aliasing a given URI. Recurse on the parents until it finds
|
|
* the defined namespace or return NULL otherwise.
|
|
* Returns the namespace pointer or NULL.
|
|
*/
|
|
xmlNsPtr
|
|
xmlSearchNsByHref(xmlDocPtr doc, xmlNodePtr node, const xmlChar * href)
|
|
{
|
|
xmlNsPtr cur;
|
|
xmlNodePtr orig = node;
|
|
int is_attr;
|
|
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL) || (href == NULL))
|
|
return (NULL);
|
|
if (xmlStrEqual(href, XML_XML_NAMESPACE)) {
|
|
/*
|
|
* Only the document can hold the XML spec namespace.
|
|
*/
|
|
if ((doc == NULL) && (node->type == XML_ELEMENT_NODE)) {
|
|
/*
|
|
* The XML-1.0 namespace is normally held on the root
|
|
* element. In this case exceptionally create it on the
|
|
* node element.
|
|
*/
|
|
cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
|
if (cur == NULL) {
|
|
xmlTreeErrMemory("searching namespace");
|
|
return (NULL);
|
|
}
|
|
memset(cur, 0, sizeof(xmlNs));
|
|
cur->type = XML_LOCAL_NAMESPACE;
|
|
cur->href = xmlStrdup(XML_XML_NAMESPACE);
|
|
cur->prefix = xmlStrdup((const xmlChar *) "xml");
|
|
cur->next = node->nsDef;
|
|
node->nsDef = cur;
|
|
return (cur);
|
|
}
|
|
if (doc == NULL) {
|
|
doc = node->doc;
|
|
if (doc == NULL)
|
|
return(NULL);
|
|
}
|
|
/*
|
|
* Return the XML namespace declaration held by the doc.
|
|
*/
|
|
if (doc->oldNs == NULL)
|
|
return(xmlTreeEnsureXMLDecl(doc));
|
|
else
|
|
return(doc->oldNs);
|
|
}
|
|
is_attr = (node->type == XML_ATTRIBUTE_NODE);
|
|
while (node != NULL) {
|
|
if ((node->type == XML_ENTITY_REF_NODE) ||
|
|
(node->type == XML_ENTITY_NODE) ||
|
|
(node->type == XML_ENTITY_DECL))
|
|
return (NULL);
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
cur = node->nsDef;
|
|
while (cur != NULL) {
|
|
if ((cur->href != NULL) && (href != NULL) &&
|
|
(xmlStrEqual(cur->href, href))) {
|
|
if (((!is_attr) || (cur->prefix != NULL)) &&
|
|
(xmlNsInScope(doc, orig, node, cur->prefix) == 1))
|
|
return (cur);
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
if (orig != node) {
|
|
cur = node->ns;
|
|
if (cur != NULL) {
|
|
if ((cur->href != NULL) && (href != NULL) &&
|
|
(xmlStrEqual(cur->href, href))) {
|
|
if (((!is_attr) || (cur->prefix != NULL)) &&
|
|
(xmlNsInScope(doc, orig, node, cur->prefix) == 1))
|
|
return (cur);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
node = node->parent;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlNewReconciledNs:
|
|
* @doc: the document
|
|
* @tree: a node expected to hold the new namespace
|
|
* @ns: the original namespace
|
|
*
|
|
* This function tries to locate a namespace definition in a tree
|
|
* ancestors, or create a new namespace definition node similar to
|
|
* @ns trying to reuse the same prefix. However if the given prefix is
|
|
* null (default namespace) or reused within the subtree defined by
|
|
* @tree or on one of its ancestors then a new prefix is generated.
|
|
* Returns the (new) namespace definition or NULL in case of error
|
|
*/
|
|
static xmlNsPtr
|
|
xmlNewReconciledNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns) {
|
|
xmlNsPtr def;
|
|
xmlChar prefix[50];
|
|
int counter = 1;
|
|
|
|
if ((tree == NULL) || (tree->type != XML_ELEMENT_NODE)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewReconciledNs : tree == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
if ((ns == NULL) || (ns->type != XML_NAMESPACE_DECL)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNewReconciledNs : ns == NULL\n");
|
|
#endif
|
|
return(NULL);
|
|
}
|
|
/*
|
|
* Search an existing namespace definition inherited.
|
|
*/
|
|
def = xmlSearchNsByHref(doc, tree, ns->href);
|
|
if (def != NULL)
|
|
return(def);
|
|
|
|
/*
|
|
* Find a close prefix which is not already in use.
|
|
* Let's strip namespace prefixes longer than 20 chars !
|
|
*/
|
|
if (ns->prefix == NULL)
|
|
snprintf((char *) prefix, sizeof(prefix), "default");
|
|
else
|
|
snprintf((char *) prefix, sizeof(prefix), "%.20s", (char *)ns->prefix);
|
|
|
|
def = xmlSearchNs(doc, tree, prefix);
|
|
while (def != NULL) {
|
|
if (counter > 1000) return(NULL);
|
|
if (ns->prefix == NULL)
|
|
snprintf((char *) prefix, sizeof(prefix), "default%d", counter++);
|
|
else
|
|
snprintf((char *) prefix, sizeof(prefix), "%.20s%d",
|
|
(char *)ns->prefix, counter++);
|
|
def = xmlSearchNs(doc, tree, prefix);
|
|
}
|
|
|
|
/*
|
|
* OK, now we are ready to create a new one.
|
|
*/
|
|
def = xmlNewNs(tree, ns->href, prefix);
|
|
return(def);
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
/**
|
|
* xmlReconciliateNs:
|
|
* @doc: the document
|
|
* @tree: a node defining the subtree to reconciliate
|
|
*
|
|
* This function checks that all the namespaces declared within the given
|
|
* tree are properly declared. This is needed for example after Copy or Cut
|
|
* and then paste operations. The subtree may still hold pointers to
|
|
* namespace declarations outside the subtree or invalid/masked. As much
|
|
* as possible the function try to reuse the existing namespaces found in
|
|
* the new environment. If not possible the new namespaces are redeclared
|
|
* on @tree at the top of the given subtree.
|
|
* Returns the number of namespace declarations created or -1 in case of error.
|
|
*/
|
|
int
|
|
xmlReconciliateNs(xmlDocPtr doc, xmlNodePtr tree) {
|
|
xmlNsPtr *oldNs = NULL;
|
|
xmlNsPtr *newNs = NULL;
|
|
int sizeCache = 0;
|
|
int nbCache = 0;
|
|
|
|
xmlNsPtr n;
|
|
xmlNodePtr node = tree;
|
|
xmlAttrPtr attr;
|
|
int ret = 0, i;
|
|
|
|
if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) return(-1);
|
|
if ((doc == NULL) || (doc->type != XML_DOCUMENT_NODE)) return(-1);
|
|
if (node->doc != doc) return(-1);
|
|
while (node != NULL) {
|
|
/*
|
|
* Reconciliate the node namespace
|
|
*/
|
|
if (node->ns != NULL) {
|
|
/*
|
|
* initialize the cache if needed
|
|
*/
|
|
if (sizeCache == 0) {
|
|
sizeCache = 10;
|
|
oldNs = (xmlNsPtr *) xmlMalloc(sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (oldNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
return(-1);
|
|
}
|
|
newNs = (xmlNsPtr *) xmlMalloc(sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (newNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(oldNs);
|
|
return(-1);
|
|
}
|
|
}
|
|
for (i = 0;i < nbCache;i++) {
|
|
if (oldNs[i] == node->ns) {
|
|
node->ns = newNs[i];
|
|
break;
|
|
}
|
|
}
|
|
if (i == nbCache) {
|
|
/*
|
|
* OK we need to recreate a new namespace definition
|
|
*/
|
|
n = xmlNewReconciledNs(doc, tree, node->ns);
|
|
if (n != NULL) { /* :-( what if else ??? */
|
|
/*
|
|
* check if we need to grow the cache buffers.
|
|
*/
|
|
if (sizeCache <= nbCache) {
|
|
sizeCache *= 2;
|
|
oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (oldNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(newNs);
|
|
return(-1);
|
|
}
|
|
newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (newNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(oldNs);
|
|
return(-1);
|
|
}
|
|
}
|
|
newNs[nbCache] = n;
|
|
oldNs[nbCache++] = node->ns;
|
|
node->ns = n;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* now check for namespace held by attributes on the node.
|
|
*/
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
attr = node->properties;
|
|
while (attr != NULL) {
|
|
if (attr->ns != NULL) {
|
|
/*
|
|
* initialize the cache if needed
|
|
*/
|
|
if (sizeCache == 0) {
|
|
sizeCache = 10;
|
|
oldNs = (xmlNsPtr *) xmlMalloc(sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (oldNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
return(-1);
|
|
}
|
|
newNs = (xmlNsPtr *) xmlMalloc(sizeCache *
|
|
sizeof(xmlNsPtr));
|
|
if (newNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(oldNs);
|
|
return(-1);
|
|
}
|
|
}
|
|
for (i = 0;i < nbCache;i++) {
|
|
if (oldNs[i] == attr->ns) {
|
|
attr->ns = newNs[i];
|
|
break;
|
|
}
|
|
}
|
|
if (i == nbCache) {
|
|
/*
|
|
* OK we need to recreate a new namespace definition
|
|
*/
|
|
n = xmlNewReconciledNs(doc, tree, attr->ns);
|
|
if (n != NULL) { /* :-( what if else ??? */
|
|
/*
|
|
* check if we need to grow the cache buffers.
|
|
*/
|
|
if (sizeCache <= nbCache) {
|
|
sizeCache *= 2;
|
|
oldNs = (xmlNsPtr *) xmlRealloc(oldNs,
|
|
sizeCache * sizeof(xmlNsPtr));
|
|
if (oldNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(newNs);
|
|
return(-1);
|
|
}
|
|
newNs = (xmlNsPtr *) xmlRealloc(newNs,
|
|
sizeCache * sizeof(xmlNsPtr));
|
|
if (newNs == NULL) {
|
|
xmlTreeErrMemory("fixing namespaces");
|
|
xmlFree(oldNs);
|
|
return(-1);
|
|
}
|
|
}
|
|
newNs[nbCache] = n;
|
|
oldNs[nbCache++] = attr->ns;
|
|
attr->ns = n;
|
|
}
|
|
}
|
|
}
|
|
attr = attr->next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Browse the full subtree, deep first
|
|
*/
|
|
if ((node->children != NULL) && (node->type != XML_ENTITY_REF_NODE)) {
|
|
/* deep first */
|
|
node = node->children;
|
|
} else if ((node != tree) && (node->next != NULL)) {
|
|
/* then siblings */
|
|
node = node->next;
|
|
} else if (node != tree) {
|
|
/* go up to parents->next if needed */
|
|
while (node != tree) {
|
|
if (node->parent != NULL)
|
|
node = node->parent;
|
|
if ((node != tree) && (node->next != NULL)) {
|
|
node = node->next;
|
|
break;
|
|
}
|
|
if (node->parent == NULL) {
|
|
node = NULL;
|
|
break;
|
|
}
|
|
}
|
|
/* exit condition */
|
|
if (node == tree)
|
|
node = NULL;
|
|
} else
|
|
break;
|
|
}
|
|
if (oldNs != NULL)
|
|
xmlFree(oldNs);
|
|
if (newNs != NULL)
|
|
xmlFree(newNs);
|
|
return(ret);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
static xmlAttrPtr
|
|
xmlGetPropNodeInternal(const xmlNode *node, const xmlChar *name,
|
|
const xmlChar *nsName, int useDTD)
|
|
{
|
|
xmlAttrPtr prop;
|
|
|
|
/* Avoid unused variable warning if features are disabled. */
|
|
(void) useDTD;
|
|
|
|
if ((node == NULL) || (node->type != XML_ELEMENT_NODE) || (name == NULL))
|
|
return(NULL);
|
|
|
|
if (node->properties != NULL) {
|
|
prop = node->properties;
|
|
if (nsName == NULL) {
|
|
/*
|
|
* We want the attr to be in no namespace.
|
|
*/
|
|
do {
|
|
if ((prop->ns == NULL) && xmlStrEqual(prop->name, name)) {
|
|
return(prop);
|
|
}
|
|
prop = prop->next;
|
|
} while (prop != NULL);
|
|
} else {
|
|
/*
|
|
* We want the attr to be in the specified namespace.
|
|
*/
|
|
do {
|
|
if ((prop->ns != NULL) && xmlStrEqual(prop->name, name) &&
|
|
((prop->ns->href == nsName) ||
|
|
xmlStrEqual(prop->ns->href, nsName)))
|
|
{
|
|
return(prop);
|
|
}
|
|
prop = prop->next;
|
|
} while (prop != NULL);
|
|
}
|
|
}
|
|
|
|
#ifdef LIBXML_TREE_ENABLED
|
|
if (! useDTD)
|
|
return(NULL);
|
|
/*
|
|
* Check if there is a default/fixed attribute declaration in
|
|
* the internal or external subset.
|
|
*/
|
|
if ((node->doc != NULL) && (node->doc->intSubset != NULL)) {
|
|
xmlDocPtr doc = node->doc;
|
|
xmlAttributePtr attrDecl = NULL;
|
|
xmlChar *elemQName, *tmpstr = NULL;
|
|
|
|
/*
|
|
* We need the QName of the element for the DTD-lookup.
|
|
*/
|
|
if ((node->ns != NULL) && (node->ns->prefix != NULL)) {
|
|
tmpstr = xmlStrdup(node->ns->prefix);
|
|
tmpstr = xmlStrcat(tmpstr, BAD_CAST ":");
|
|
tmpstr = xmlStrcat(tmpstr, node->name);
|
|
if (tmpstr == NULL)
|
|
return(NULL);
|
|
elemQName = tmpstr;
|
|
} else
|
|
elemQName = (xmlChar *) node->name;
|
|
if (nsName == NULL) {
|
|
/*
|
|
* The common and nice case: Attr in no namespace.
|
|
*/
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->intSubset,
|
|
elemQName, name, NULL);
|
|
if ((attrDecl == NULL) && (doc->extSubset != NULL)) {
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->extSubset,
|
|
elemQName, name, NULL);
|
|
}
|
|
} else if (xmlStrEqual(nsName, XML_XML_NAMESPACE)) {
|
|
/*
|
|
* The XML namespace must be bound to prefix 'xml'.
|
|
*/
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->intSubset,
|
|
elemQName, name, BAD_CAST "xml");
|
|
if ((attrDecl == NULL) && (doc->extSubset != NULL)) {
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->extSubset,
|
|
elemQName, name, BAD_CAST "xml");
|
|
}
|
|
} else {
|
|
xmlNsPtr *nsList, *cur;
|
|
|
|
/*
|
|
* The ugly case: Search using the prefixes of in-scope
|
|
* ns-decls corresponding to @nsName.
|
|
*/
|
|
nsList = xmlGetNsList(node->doc, node);
|
|
if (nsList == NULL) {
|
|
if (tmpstr != NULL)
|
|
xmlFree(tmpstr);
|
|
return(NULL);
|
|
}
|
|
cur = nsList;
|
|
while (*cur != NULL) {
|
|
if (xmlStrEqual((*cur)->href, nsName)) {
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, elemQName,
|
|
name, (*cur)->prefix);
|
|
if (attrDecl)
|
|
break;
|
|
if (doc->extSubset != NULL) {
|
|
attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elemQName,
|
|
name, (*cur)->prefix);
|
|
if (attrDecl)
|
|
break;
|
|
}
|
|
}
|
|
cur++;
|
|
}
|
|
xmlFree(nsList);
|
|
}
|
|
if (tmpstr != NULL)
|
|
xmlFree(tmpstr);
|
|
/*
|
|
* Only default/fixed attrs are relevant.
|
|
*/
|
|
if ((attrDecl != NULL) && (attrDecl->defaultValue != NULL))
|
|
return((xmlAttrPtr) attrDecl);
|
|
}
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
return(NULL);
|
|
}
|
|
|
|
static xmlChar*
|
|
xmlGetPropNodeValueInternal(const xmlAttr *prop)
|
|
{
|
|
if (prop == NULL)
|
|
return(NULL);
|
|
if (prop->type == XML_ATTRIBUTE_NODE) {
|
|
/*
|
|
* Note that we return at least the empty string.
|
|
* TODO: Do we really always want that?
|
|
*/
|
|
if (prop->children != NULL) {
|
|
if ((prop->children->next == NULL) &&
|
|
((prop->children->type == XML_TEXT_NODE) ||
|
|
(prop->children->type == XML_CDATA_SECTION_NODE)))
|
|
{
|
|
/*
|
|
* Optimization for the common case: only 1 text node.
|
|
*/
|
|
return(xmlStrdup(prop->children->content));
|
|
} else {
|
|
xmlChar *ret;
|
|
|
|
ret = xmlNodeListGetString(prop->doc, prop->children, 1);
|
|
if (ret != NULL)
|
|
return(ret);
|
|
}
|
|
}
|
|
return(xmlStrdup((xmlChar *)""));
|
|
} else if (prop->type == XML_ATTRIBUTE_DECL) {
|
|
return(xmlStrdup(((xmlAttributePtr)prop)->defaultValue));
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlHasProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
*
|
|
* Search an attribute associated to a node
|
|
* This function also looks in DTD attribute declaration for #FIXED or
|
|
* default declaration values unless DTD use has been turned off.
|
|
*
|
|
* Returns the attribute or the attribute declaration or NULL if
|
|
* neither was found.
|
|
*/
|
|
xmlAttrPtr
|
|
xmlHasProp(const xmlNode *node, const xmlChar *name) {
|
|
xmlAttrPtr prop;
|
|
xmlDocPtr doc;
|
|
|
|
if ((node == NULL) || (node->type != XML_ELEMENT_NODE) || (name == NULL))
|
|
return(NULL);
|
|
/*
|
|
* Check on the properties attached to the node
|
|
*/
|
|
prop = node->properties;
|
|
while (prop != NULL) {
|
|
if (xmlStrEqual(prop->name, name)) {
|
|
return(prop);
|
|
}
|
|
prop = prop->next;
|
|
}
|
|
if (!xmlCheckDTD) return(NULL);
|
|
|
|
/*
|
|
* Check if there is a default declaration in the internal
|
|
* or external subsets
|
|
*/
|
|
doc = node->doc;
|
|
if (doc != NULL) {
|
|
xmlAttributePtr attrDecl;
|
|
if (doc->intSubset != NULL) {
|
|
attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
|
|
if ((attrDecl == NULL) && (doc->extSubset != NULL))
|
|
attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
|
|
if ((attrDecl != NULL) && (attrDecl->defaultValue != NULL))
|
|
/* return attribute declaration only if a default value is given
|
|
(that includes #FIXED declarations) */
|
|
return((xmlAttrPtr) attrDecl);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlHasNsProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
* @nameSpace: the URI of the namespace
|
|
*
|
|
* Search for an attribute associated to a node
|
|
* This attribute has to be anchored in the namespace specified.
|
|
* This does the entity substitution.
|
|
* This function looks in DTD attribute declaration for #FIXED or
|
|
* default declaration values unless DTD use has been turned off.
|
|
* Note that a namespace of NULL indicates to use the default namespace.
|
|
*
|
|
* Returns the attribute or the attribute declaration or NULL
|
|
* if neither was found.
|
|
*/
|
|
xmlAttrPtr
|
|
xmlHasNsProp(const xmlNode *node, const xmlChar *name, const xmlChar *nameSpace) {
|
|
|
|
return(xmlGetPropNodeInternal(node, name, nameSpace, xmlCheckDTD));
|
|
}
|
|
|
|
/**
|
|
* xmlGetProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
*
|
|
* Search and get the value of an attribute associated to a node
|
|
* This does the entity substitution.
|
|
* This function looks in DTD attribute declaration for #FIXED or
|
|
* default declaration values unless DTD use has been turned off.
|
|
* NOTE: this function acts independently of namespaces associated
|
|
* to the attribute. Use xmlGetNsProp() or xmlGetNoNsProp()
|
|
* for namespace aware processing.
|
|
*
|
|
* Returns the attribute value or NULL if not found.
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlGetProp(const xmlNode *node, const xmlChar *name) {
|
|
xmlAttrPtr prop;
|
|
|
|
prop = xmlHasProp(node, name);
|
|
if (prop == NULL)
|
|
return(NULL);
|
|
return(xmlGetPropNodeValueInternal(prop));
|
|
}
|
|
|
|
/**
|
|
* xmlGetNoNsProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
*
|
|
* Search and get the value of an attribute associated to a node
|
|
* This does the entity substitution.
|
|
* This function looks in DTD attribute declaration for #FIXED or
|
|
* default declaration values unless DTD use has been turned off.
|
|
* This function is similar to xmlGetProp except it will accept only
|
|
* an attribute in no namespace.
|
|
*
|
|
* Returns the attribute value or NULL if not found.
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlGetNoNsProp(const xmlNode *node, const xmlChar *name) {
|
|
xmlAttrPtr prop;
|
|
|
|
prop = xmlGetPropNodeInternal(node, name, NULL, xmlCheckDTD);
|
|
if (prop == NULL)
|
|
return(NULL);
|
|
return(xmlGetPropNodeValueInternal(prop));
|
|
}
|
|
|
|
/**
|
|
* xmlGetNsProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
* @nameSpace: the URI of the namespace
|
|
*
|
|
* Search and get the value of an attribute associated to a node
|
|
* This attribute has to be anchored in the namespace specified.
|
|
* This does the entity substitution.
|
|
* This function looks in DTD attribute declaration for #FIXED or
|
|
* default declaration values unless DTD use has been turned off.
|
|
*
|
|
* Returns the attribute value or NULL if not found.
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
*/
|
|
xmlChar *
|
|
xmlGetNsProp(const xmlNode *node, const xmlChar *name, const xmlChar *nameSpace) {
|
|
xmlAttrPtr prop;
|
|
|
|
prop = xmlGetPropNodeInternal(node, name, nameSpace, xmlCheckDTD);
|
|
if (prop == NULL)
|
|
return(NULL);
|
|
return(xmlGetPropNodeValueInternal(prop));
|
|
}
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
|
|
/**
|
|
* xmlUnsetProp:
|
|
* @node: the node
|
|
* @name: the attribute name
|
|
*
|
|
* Remove an attribute carried by a node.
|
|
* This handles only attributes in no namespace.
|
|
* Returns 0 if successful, -1 if not found
|
|
*/
|
|
int
|
|
xmlUnsetProp(xmlNodePtr node, const xmlChar *name) {
|
|
xmlAttrPtr prop;
|
|
|
|
prop = xmlGetPropNodeInternal(node, name, NULL, 0);
|
|
if (prop == NULL)
|
|
return(-1);
|
|
xmlUnlinkNode((xmlNodePtr) prop);
|
|
xmlFreeProp(prop);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlUnsetNsProp:
|
|
* @node: the node
|
|
* @ns: the namespace definition
|
|
* @name: the attribute name
|
|
*
|
|
* Remove an attribute carried by a node.
|
|
* Returns 0 if successful, -1 if not found
|
|
*/
|
|
int
|
|
xmlUnsetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name) {
|
|
xmlAttrPtr prop;
|
|
|
|
prop = xmlGetPropNodeInternal(node, name, (ns != NULL) ? ns->href : NULL, 0);
|
|
if (prop == NULL)
|
|
return(-1);
|
|
xmlUnlinkNode((xmlNodePtr) prop);
|
|
xmlFreeProp(prop);
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_HTML_ENABLED)
|
|
/**
|
|
* xmlSetProp:
|
|
* @node: the node
|
|
* @name: the attribute name (a QName)
|
|
* @value: the attribute value
|
|
*
|
|
* Set (or reset) an attribute carried by a node.
|
|
* If @name has a prefix, then the corresponding
|
|
* namespace-binding will be used, if in scope; it is an
|
|
* error it there's no such ns-binding for the prefix in
|
|
* scope.
|
|
* Returns the attribute pointer.
|
|
*
|
|
*/
|
|
xmlAttrPtr
|
|
xmlSetProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) {
|
|
int len;
|
|
const xmlChar *nqname;
|
|
|
|
if ((node == NULL) || (name == NULL) || (node->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
|
|
/*
|
|
* handle QNames
|
|
*/
|
|
nqname = xmlSplitQName3(name, &len);
|
|
if (nqname != NULL) {
|
|
xmlNsPtr ns;
|
|
xmlChar *prefix = xmlStrndup(name, len);
|
|
ns = xmlSearchNs(node->doc, node, prefix);
|
|
if (prefix != NULL)
|
|
xmlFree(prefix);
|
|
if (ns != NULL)
|
|
return(xmlSetNsProp(node, ns, nqname, value));
|
|
}
|
|
return(xmlSetNsProp(node, NULL, name, value));
|
|
}
|
|
|
|
/**
|
|
* xmlSetNsProp:
|
|
* @node: the node
|
|
* @ns: the namespace definition
|
|
* @name: the attribute name
|
|
* @value: the attribute value
|
|
*
|
|
* Set (or reset) an attribute carried by a node.
|
|
* The ns structure must be in scope, this is not checked
|
|
*
|
|
* Returns the attribute pointer.
|
|
*/
|
|
xmlAttrPtr
|
|
xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name,
|
|
const xmlChar *value)
|
|
{
|
|
xmlAttrPtr prop;
|
|
|
|
if (ns && (ns->href == NULL))
|
|
return(NULL);
|
|
prop = xmlGetPropNodeInternal(node, name, (ns != NULL) ? ns->href : NULL, 0);
|
|
if (prop != NULL) {
|
|
/*
|
|
* Modify the attribute's value.
|
|
*/
|
|
if (prop->atype == XML_ATTRIBUTE_ID) {
|
|
xmlRemoveID(node->doc, prop);
|
|
prop->atype = XML_ATTRIBUTE_ID;
|
|
}
|
|
if (prop->children != NULL)
|
|
xmlFreeNodeList(prop->children);
|
|
prop->children = NULL;
|
|
prop->last = NULL;
|
|
prop->ns = ns;
|
|
if (value != NULL) {
|
|
xmlNodePtr tmp;
|
|
|
|
prop->children = xmlNewDocText(node->doc, value);
|
|
prop->last = NULL;
|
|
tmp = prop->children;
|
|
while (tmp != NULL) {
|
|
tmp->parent = (xmlNodePtr) prop;
|
|
if (tmp->next == NULL)
|
|
prop->last = tmp;
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
if (prop->atype == XML_ATTRIBUTE_ID)
|
|
xmlAddID(NULL, node->doc, value, prop);
|
|
return(prop);
|
|
}
|
|
/*
|
|
* No equal attr found; create a new one.
|
|
*/
|
|
return(xmlNewPropInternal(node, ns, name, value, 0));
|
|
}
|
|
|
|
#endif /* LIBXML_TREE_ENABLED */
|
|
|
|
/**
|
|
* xmlNodeIsText:
|
|
* @node: the node
|
|
*
|
|
* Is this node a Text node ?
|
|
* Returns 1 yes, 0 no
|
|
*/
|
|
int
|
|
xmlNodeIsText(const xmlNode *node) {
|
|
if (node == NULL) return(0);
|
|
|
|
if (node->type == XML_TEXT_NODE) return(1);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlIsBlankNode:
|
|
* @node: the node
|
|
*
|
|
* Checks whether this node is an empty or whitespace only
|
|
* (and possibly ignorable) text-node.
|
|
*
|
|
* Returns 1 yes, 0 no
|
|
*/
|
|
int
|
|
xmlIsBlankNode(const xmlNode *node) {
|
|
const xmlChar *cur;
|
|
if (node == NULL) return(0);
|
|
|
|
if ((node->type != XML_TEXT_NODE) &&
|
|
(node->type != XML_CDATA_SECTION_NODE))
|
|
return(0);
|
|
if (node->content == NULL) return(1);
|
|
cur = node->content;
|
|
while (*cur != 0) {
|
|
if (!IS_BLANK_CH(*cur)) return(0);
|
|
cur++;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
/**
|
|
* xmlTextConcat:
|
|
* @node: the node
|
|
* @content: the content
|
|
* @len: @content length
|
|
*
|
|
* Concat the given string at the end of the existing node content
|
|
*
|
|
* Returns -1 in case of error, 0 otherwise
|
|
*/
|
|
|
|
int
|
|
xmlTextConcat(xmlNodePtr node, const xmlChar *content, int len) {
|
|
if (node == NULL) return(-1);
|
|
|
|
if ((node->type != XML_TEXT_NODE) &&
|
|
(node->type != XML_CDATA_SECTION_NODE) &&
|
|
(node->type != XML_COMMENT_NODE) &&
|
|
(node->type != XML_PI_NODE)) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlTextConcat: node is not text nor CDATA\n");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
/* need to check if content is currently in the dictionary */
|
|
if ((node->content == (xmlChar *) &(node->properties)) ||
|
|
((node->doc != NULL) && (node->doc->dict != NULL) &&
|
|
xmlDictOwns(node->doc->dict, node->content))) {
|
|
node->content = xmlStrncatNew(node->content, content, len);
|
|
} else {
|
|
node->content = xmlStrncat(node->content, content, len);
|
|
}
|
|
node->properties = NULL;
|
|
if (node->content == NULL)
|
|
return(-1);
|
|
return(0);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Output : to a FILE or in memory *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlBufferCreate:
|
|
*
|
|
* routine to create an XML buffer.
|
|
* returns the new structure.
|
|
*/
|
|
xmlBufferPtr
|
|
xmlBufferCreate(void) {
|
|
xmlBufferPtr ret;
|
|
|
|
ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("creating buffer");
|
|
return(NULL);
|
|
}
|
|
ret->use = 0;
|
|
ret->size = xmlDefaultBufferSize;
|
|
ret->alloc = xmlBufferAllocScheme;
|
|
ret->content = (xmlChar *) xmlMallocAtomic(ret->size * sizeof(xmlChar));
|
|
if (ret->content == NULL) {
|
|
xmlTreeErrMemory("creating buffer");
|
|
xmlFree(ret);
|
|
return(NULL);
|
|
}
|
|
ret->content[0] = 0;
|
|
ret->contentIO = NULL;
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferCreateSize:
|
|
* @size: initial size of buffer
|
|
*
|
|
* routine to create an XML buffer.
|
|
* returns the new structure.
|
|
*/
|
|
xmlBufferPtr
|
|
xmlBufferCreateSize(size_t size) {
|
|
xmlBufferPtr ret;
|
|
|
|
if (size >= UINT_MAX)
|
|
return(NULL);
|
|
ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("creating buffer");
|
|
return(NULL);
|
|
}
|
|
ret->use = 0;
|
|
ret->alloc = xmlBufferAllocScheme;
|
|
ret->size = (size ? size + 1 : 0); /* +1 for ending null */
|
|
if (ret->size){
|
|
ret->content = (xmlChar *) xmlMallocAtomic(ret->size * sizeof(xmlChar));
|
|
if (ret->content == NULL) {
|
|
xmlTreeErrMemory("creating buffer");
|
|
xmlFree(ret);
|
|
return(NULL);
|
|
}
|
|
ret->content[0] = 0;
|
|
} else
|
|
ret->content = NULL;
|
|
ret->contentIO = NULL;
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferDetach:
|
|
* @buf: the buffer
|
|
*
|
|
* Remove the string contained in a buffer and gie it back to the
|
|
* caller. The buffer is reset to an empty content.
|
|
* This doesn't work with immutable buffers as they can't be reset.
|
|
*
|
|
* Returns the previous string contained by the buffer.
|
|
*/
|
|
xmlChar *
|
|
xmlBufferDetach(xmlBufferPtr buf) {
|
|
xmlChar *ret;
|
|
|
|
if (buf == NULL)
|
|
return(NULL);
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE)
|
|
return(NULL);
|
|
|
|
ret = buf->content;
|
|
buf->content = NULL;
|
|
buf->size = 0;
|
|
buf->use = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* xmlBufferCreateStatic:
|
|
* @mem: the memory area
|
|
* @size: the size in byte
|
|
*
|
|
* routine to create an XML buffer from an immutable memory area.
|
|
* The area won't be modified nor copied, and is expected to be
|
|
* present until the end of the buffer lifetime.
|
|
*
|
|
* returns the new structure.
|
|
*/
|
|
xmlBufferPtr
|
|
xmlBufferCreateStatic(void *mem, size_t size) {
|
|
xmlBufferPtr ret;
|
|
|
|
if ((mem == NULL) || (size == 0))
|
|
return(NULL);
|
|
if (size > UINT_MAX)
|
|
return(NULL);
|
|
|
|
ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("creating buffer");
|
|
return(NULL);
|
|
}
|
|
ret->use = size;
|
|
ret->size = size;
|
|
ret->alloc = XML_BUFFER_ALLOC_IMMUTABLE;
|
|
ret->content = (xmlChar *) mem;
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferSetAllocationScheme:
|
|
* @buf: the buffer to tune
|
|
* @scheme: allocation scheme to use
|
|
*
|
|
* Sets the allocation scheme for this buffer
|
|
*/
|
|
void
|
|
xmlBufferSetAllocationScheme(xmlBufferPtr buf,
|
|
xmlBufferAllocationScheme scheme) {
|
|
if (buf == NULL) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferSetAllocationScheme: buf == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) ||
|
|
(buf->alloc == XML_BUFFER_ALLOC_IO)) return;
|
|
if ((scheme == XML_BUFFER_ALLOC_DOUBLEIT) ||
|
|
(scheme == XML_BUFFER_ALLOC_EXACT) ||
|
|
(scheme == XML_BUFFER_ALLOC_HYBRID) ||
|
|
(scheme == XML_BUFFER_ALLOC_IMMUTABLE))
|
|
buf->alloc = scheme;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferFree:
|
|
* @buf: the buffer to free
|
|
*
|
|
* Frees an XML buffer. It frees both the content and the structure which
|
|
* encapsulate it.
|
|
*/
|
|
void
|
|
xmlBufferFree(xmlBufferPtr buf) {
|
|
if (buf == NULL) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferFree: buf == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IO) &&
|
|
(buf->contentIO != NULL)) {
|
|
xmlFree(buf->contentIO);
|
|
} else if ((buf->content != NULL) &&
|
|
(buf->alloc != XML_BUFFER_ALLOC_IMMUTABLE)) {
|
|
xmlFree(buf->content);
|
|
}
|
|
xmlFree(buf);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferEmpty:
|
|
* @buf: the buffer
|
|
*
|
|
* empty a buffer.
|
|
*/
|
|
void
|
|
xmlBufferEmpty(xmlBufferPtr buf) {
|
|
if (buf == NULL) return;
|
|
if (buf->content == NULL) return;
|
|
buf->use = 0;
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) {
|
|
buf->content = BAD_CAST "";
|
|
} else if ((buf->alloc == XML_BUFFER_ALLOC_IO) &&
|
|
(buf->contentIO != NULL)) {
|
|
size_t start_buf = buf->content - buf->contentIO;
|
|
|
|
buf->size += start_buf;
|
|
buf->content = buf->contentIO;
|
|
buf->content[0] = 0;
|
|
} else {
|
|
buf->content[0] = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlBufferShrink:
|
|
* @buf: the buffer to dump
|
|
* @len: the number of xmlChar to remove
|
|
*
|
|
* Remove the beginning of an XML buffer.
|
|
*
|
|
* Returns the number of #xmlChar removed, or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlBufferShrink(xmlBufferPtr buf, unsigned int len) {
|
|
if (buf == NULL) return(-1);
|
|
if (len == 0) return(0);
|
|
if (len > buf->use) return(-1);
|
|
|
|
buf->use -= len;
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) ||
|
|
((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL))) {
|
|
/*
|
|
* we just move the content pointer, but also make sure
|
|
* the perceived buffer size has shrunk accordingly
|
|
*/
|
|
buf->content += len;
|
|
buf->size -= len;
|
|
|
|
/*
|
|
* sometimes though it maybe be better to really shrink
|
|
* on IO buffers
|
|
*/
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {
|
|
size_t start_buf = buf->content - buf->contentIO;
|
|
if (start_buf >= buf->size) {
|
|
memmove(buf->contentIO, &buf->content[0], buf->use);
|
|
buf->content = buf->contentIO;
|
|
buf->content[buf->use] = 0;
|
|
buf->size += start_buf;
|
|
}
|
|
}
|
|
} else {
|
|
memmove(buf->content, &buf->content[len], buf->use);
|
|
buf->content[buf->use] = 0;
|
|
}
|
|
return(len);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferGrow:
|
|
* @buf: the buffer
|
|
* @len: the minimum free size to allocate
|
|
*
|
|
* Grow the available space of an XML buffer.
|
|
*
|
|
* Returns the new available space or -1 in case of error
|
|
*/
|
|
int
|
|
xmlBufferGrow(xmlBufferPtr buf, unsigned int len) {
|
|
unsigned int size;
|
|
xmlChar *newbuf;
|
|
|
|
if (buf == NULL) return(-1);
|
|
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0);
|
|
if (len < buf->size - buf->use)
|
|
return(0);
|
|
if (len >= UINT_MAX - buf->use) {
|
|
xmlTreeErrMemory("growing buffer past UINT_MAX");
|
|
return(-1);
|
|
}
|
|
|
|
if (buf->size > (size_t) len) {
|
|
size = buf->size > UINT_MAX / 2 ? UINT_MAX : buf->size * 2;
|
|
} else {
|
|
size = buf->use + len;
|
|
size = size > UINT_MAX - 100 ? UINT_MAX : size + 100;
|
|
}
|
|
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {
|
|
size_t start_buf = buf->content - buf->contentIO;
|
|
|
|
newbuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + size);
|
|
if (newbuf == NULL) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return(-1);
|
|
}
|
|
buf->contentIO = newbuf;
|
|
buf->content = newbuf + start_buf;
|
|
} else {
|
|
newbuf = (xmlChar *) xmlRealloc(buf->content, size);
|
|
if (newbuf == NULL) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return(-1);
|
|
}
|
|
buf->content = newbuf;
|
|
}
|
|
buf->size = size;
|
|
return(buf->size - buf->use - 1);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferDump:
|
|
* @file: the file output
|
|
* @buf: the buffer to dump
|
|
*
|
|
* Dumps an XML buffer to a FILE *.
|
|
* Returns the number of #xmlChar written
|
|
*/
|
|
int
|
|
xmlBufferDump(FILE *file, xmlBufferPtr buf) {
|
|
size_t ret;
|
|
|
|
if (buf == NULL) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferDump: buf == NULL\n");
|
|
#endif
|
|
return(0);
|
|
}
|
|
if (buf->content == NULL) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferDump: buf->content == NULL\n");
|
|
#endif
|
|
return(0);
|
|
}
|
|
if (file == NULL)
|
|
file = stdout;
|
|
ret = fwrite(buf->content, sizeof(xmlChar), buf->use, file);
|
|
return(ret > INT_MAX ? INT_MAX : (int)ret);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferContent:
|
|
* @buf: the buffer
|
|
*
|
|
* Function to extract the content of a buffer
|
|
*
|
|
* Returns the internal content
|
|
*/
|
|
|
|
const xmlChar *
|
|
xmlBufferContent(const xmlBuffer *buf)
|
|
{
|
|
if(!buf)
|
|
return NULL;
|
|
|
|
return buf->content;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferLength:
|
|
* @buf: the buffer
|
|
*
|
|
* Function to get the length of a buffer
|
|
*
|
|
* Returns the length of data in the internal content
|
|
*/
|
|
|
|
int
|
|
xmlBufferLength(const xmlBuffer *buf)
|
|
{
|
|
if(!buf)
|
|
return 0;
|
|
|
|
return buf->use;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferResize:
|
|
* @buf: the buffer to resize
|
|
* @size: the desired size
|
|
*
|
|
* Resize a buffer to accommodate minimum size of @size.
|
|
*
|
|
* Returns 0 in case of problems, 1 otherwise
|
|
*/
|
|
int
|
|
xmlBufferResize(xmlBufferPtr buf, unsigned int size)
|
|
{
|
|
unsigned int newSize;
|
|
xmlChar* rebuf = NULL;
|
|
size_t start_buf;
|
|
|
|
if (buf == NULL)
|
|
return(0);
|
|
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0);
|
|
|
|
/* Don't resize if we don't have to */
|
|
if (size < buf->size)
|
|
return 1;
|
|
|
|
if (size > UINT_MAX - 10) {
|
|
xmlTreeErrMemory("growing buffer past UINT_MAX");
|
|
return 0;
|
|
}
|
|
|
|
/* figure out new size */
|
|
switch (buf->alloc){
|
|
case XML_BUFFER_ALLOC_IO:
|
|
case XML_BUFFER_ALLOC_DOUBLEIT:
|
|
/*take care of empty case*/
|
|
if (buf->size == 0)
|
|
newSize = (size > UINT_MAX - 10 ? UINT_MAX : size + 10);
|
|
else
|
|
newSize = buf->size;
|
|
while (size > newSize) {
|
|
if (newSize > UINT_MAX / 2) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return 0;
|
|
}
|
|
newSize *= 2;
|
|
}
|
|
break;
|
|
case XML_BUFFER_ALLOC_EXACT:
|
|
newSize = (size > UINT_MAX - 10 ? UINT_MAX : size + 10);
|
|
break;
|
|
case XML_BUFFER_ALLOC_HYBRID:
|
|
if (buf->use < BASE_BUFFER_SIZE)
|
|
newSize = size;
|
|
else {
|
|
newSize = buf->size;
|
|
while (size > newSize) {
|
|
if (newSize > UINT_MAX / 2) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return 0;
|
|
}
|
|
newSize *= 2;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
newSize = (size > UINT_MAX - 10 ? UINT_MAX : size + 10);
|
|
break;
|
|
}
|
|
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {
|
|
start_buf = buf->content - buf->contentIO;
|
|
|
|
if (start_buf > newSize) {
|
|
/* move data back to start */
|
|
memmove(buf->contentIO, buf->content, buf->use);
|
|
buf->content = buf->contentIO;
|
|
buf->content[buf->use] = 0;
|
|
buf->size += start_buf;
|
|
} else {
|
|
rebuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + newSize);
|
|
if (rebuf == NULL) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return 0;
|
|
}
|
|
buf->contentIO = rebuf;
|
|
buf->content = rebuf + start_buf;
|
|
}
|
|
} else {
|
|
if (buf->content == NULL) {
|
|
rebuf = (xmlChar *) xmlMallocAtomic(newSize);
|
|
buf->use = 0;
|
|
rebuf[buf->use] = 0;
|
|
} else if (buf->size - buf->use < 100) {
|
|
rebuf = (xmlChar *) xmlRealloc(buf->content, newSize);
|
|
} else {
|
|
/*
|
|
* if we are reallocating a buffer far from being full, it's
|
|
* better to make a new allocation and copy only the used range
|
|
* and free the old one.
|
|
*/
|
|
rebuf = (xmlChar *) xmlMallocAtomic(newSize);
|
|
if (rebuf != NULL) {
|
|
memcpy(rebuf, buf->content, buf->use);
|
|
xmlFree(buf->content);
|
|
rebuf[buf->use] = 0;
|
|
}
|
|
}
|
|
if (rebuf == NULL) {
|
|
xmlTreeErrMemory("growing buffer");
|
|
return 0;
|
|
}
|
|
buf->content = rebuf;
|
|
}
|
|
buf->size = newSize;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferAdd:
|
|
* @buf: the buffer to dump
|
|
* @str: the #xmlChar string
|
|
* @len: the number of #xmlChar to add
|
|
*
|
|
* Add a string range to an XML buffer. if len == -1, the length of
|
|
* str is recomputed.
|
|
*
|
|
* Returns 0 successful, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlBufferAdd(xmlBufferPtr buf, const xmlChar *str, int len) {
|
|
unsigned int needSize;
|
|
|
|
if ((str == NULL) || (buf == NULL)) {
|
|
return -1;
|
|
}
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1;
|
|
if (len < -1) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferAdd: len < 0\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
if (len == 0) return 0;
|
|
|
|
if (len < 0)
|
|
len = xmlStrlen(str);
|
|
|
|
if (len < 0) return -1;
|
|
if (len == 0) return 0;
|
|
|
|
/* Note that both buf->size and buf->use can be zero here. */
|
|
if ((unsigned) len >= buf->size - buf->use) {
|
|
if ((unsigned) len >= UINT_MAX - buf->use) {
|
|
xmlTreeErrMemory("growing buffer past UINT_MAX");
|
|
return XML_ERR_NO_MEMORY;
|
|
}
|
|
needSize = buf->use + len + 1;
|
|
if (!xmlBufferResize(buf, needSize)){
|
|
xmlTreeErrMemory("growing buffer");
|
|
return XML_ERR_NO_MEMORY;
|
|
}
|
|
}
|
|
|
|
memmove(&buf->content[buf->use], str, len*sizeof(xmlChar));
|
|
buf->use += len;
|
|
buf->content[buf->use] = 0;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferAddHead:
|
|
* @buf: the buffer
|
|
* @str: the #xmlChar string
|
|
* @len: the number of #xmlChar to add
|
|
*
|
|
* Add a string range to the beginning of an XML buffer.
|
|
* if len == -1, the length of @str is recomputed.
|
|
*
|
|
* Returns 0 successful, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlBufferAddHead(xmlBufferPtr buf, const xmlChar *str, int len) {
|
|
unsigned int needSize;
|
|
|
|
if (buf == NULL)
|
|
return(-1);
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1;
|
|
if (str == NULL) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferAddHead: str == NULL\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
if (len < -1) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferAddHead: len < 0\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
if (len == 0) return 0;
|
|
|
|
if (len < 0)
|
|
len = xmlStrlen(str);
|
|
|
|
if (len <= 0) return -1;
|
|
|
|
if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {
|
|
size_t start_buf = buf->content - buf->contentIO;
|
|
|
|
if (start_buf > (unsigned int) len) {
|
|
/*
|
|
* We can add it in the space previously shrunk
|
|
*/
|
|
buf->content -= len;
|
|
memmove(&buf->content[0], str, len);
|
|
buf->use += len;
|
|
buf->size += len;
|
|
buf->content[buf->use] = 0;
|
|
return(0);
|
|
}
|
|
}
|
|
/* Note that both buf->size and buf->use can be zero here. */
|
|
if ((unsigned) len >= buf->size - buf->use) {
|
|
if ((unsigned) len >= UINT_MAX - buf->use) {
|
|
xmlTreeErrMemory("growing buffer past UINT_MAX");
|
|
return(-1);
|
|
}
|
|
needSize = buf->use + len + 1;
|
|
if (!xmlBufferResize(buf, needSize)){
|
|
xmlTreeErrMemory("growing buffer");
|
|
return XML_ERR_NO_MEMORY;
|
|
}
|
|
}
|
|
|
|
memmove(&buf->content[len], &buf->content[0], buf->use);
|
|
memmove(&buf->content[0], str, len);
|
|
buf->use += len;
|
|
buf->content[buf->use] = 0;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* xmlBufferCat:
|
|
* @buf: the buffer to add to
|
|
* @str: the #xmlChar string
|
|
*
|
|
* Append a zero terminated string to an XML buffer.
|
|
*
|
|
* Returns 0 successful, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlBufferCat(xmlBufferPtr buf, const xmlChar *str) {
|
|
if (buf == NULL)
|
|
return(-1);
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1;
|
|
if (str == NULL) return -1;
|
|
return xmlBufferAdd(buf, str, -1);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferCCat:
|
|
* @buf: the buffer to dump
|
|
* @str: the C char string
|
|
*
|
|
* Append a zero terminated C string to an XML buffer.
|
|
*
|
|
* Returns 0 successful, a positive error code number otherwise
|
|
* and -1 in case of internal or API error.
|
|
*/
|
|
int
|
|
xmlBufferCCat(xmlBufferPtr buf, const char *str) {
|
|
return xmlBufferCat(buf, (const xmlChar *) str);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferWriteCHAR:
|
|
* @buf: the XML buffer
|
|
* @string: the string to add
|
|
*
|
|
* routine which manages and grows an output buffer. This one adds
|
|
* xmlChars at the end of the buffer.
|
|
*/
|
|
void
|
|
xmlBufferWriteCHAR(xmlBufferPtr buf, const xmlChar *string) {
|
|
if (buf == NULL)
|
|
return;
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return;
|
|
xmlBufferCat(buf, string);
|
|
}
|
|
|
|
/**
|
|
* xmlBufferWriteChar:
|
|
* @buf: the XML buffer output
|
|
* @string: the string to add
|
|
*
|
|
* routine which manage and grows an output buffer. This one add
|
|
* C chars at the end of the array.
|
|
*/
|
|
void
|
|
xmlBufferWriteChar(xmlBufferPtr buf, const char *string) {
|
|
if (buf == NULL)
|
|
return;
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return;
|
|
xmlBufferCCat(buf, string);
|
|
}
|
|
|
|
|
|
/**
|
|
* xmlBufferWriteQuotedString:
|
|
* @buf: the XML buffer output
|
|
* @string: the string to add
|
|
*
|
|
* routine which manage and grows an output buffer. This one writes
|
|
* a quoted or double quoted #xmlChar string, checking first if it holds
|
|
* quote or double-quotes internally
|
|
*/
|
|
void
|
|
xmlBufferWriteQuotedString(xmlBufferPtr buf, const xmlChar *string) {
|
|
const xmlChar *cur, *base;
|
|
if (buf == NULL)
|
|
return;
|
|
if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return;
|
|
if (xmlStrchr(string, '\"')) {
|
|
if (xmlStrchr(string, '\'')) {
|
|
#ifdef DEBUG_BUFFER
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlBufferWriteQuotedString: string contains quote and double-quotes !\n");
|
|
#endif
|
|
xmlBufferCCat(buf, "\"");
|
|
base = cur = string;
|
|
while(*cur != 0){
|
|
if(*cur == '"'){
|
|
if (base != cur)
|
|
xmlBufferAdd(buf, base, cur - base);
|
|
xmlBufferAdd(buf, BAD_CAST """, 6);
|
|
cur++;
|
|
base = cur;
|
|
}
|
|
else {
|
|
cur++;
|
|
}
|
|
}
|
|
if (base != cur)
|
|
xmlBufferAdd(buf, base, cur - base);
|
|
xmlBufferCCat(buf, "\"");
|
|
}
|
|
else{
|
|
xmlBufferCCat(buf, "\'");
|
|
xmlBufferCat(buf, string);
|
|
xmlBufferCCat(buf, "\'");
|
|
}
|
|
} else {
|
|
xmlBufferCCat(buf, "\"");
|
|
xmlBufferCat(buf, string);
|
|
xmlBufferCCat(buf, "\"");
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* xmlGetDocCompressMode:
|
|
* @doc: the document
|
|
*
|
|
* get the compression ratio for a document, ZLIB based
|
|
* Returns 0 (uncompressed) to 9 (max compression)
|
|
*/
|
|
int
|
|
xmlGetDocCompressMode (const xmlDoc *doc) {
|
|
if (doc == NULL) return(-1);
|
|
return(doc->compression);
|
|
}
|
|
|
|
/**
|
|
* xmlSetDocCompressMode:
|
|
* @doc: the document
|
|
* @mode: the compression ratio
|
|
*
|
|
* set the compression ratio for a document, ZLIB based
|
|
* Correct values: 0 (uncompressed) to 9 (max compression)
|
|
*/
|
|
void
|
|
xmlSetDocCompressMode (xmlDocPtr doc, int mode) {
|
|
if (doc == NULL) return;
|
|
if (mode < 0) doc->compression = 0;
|
|
else if (mode > 9) doc->compression = 9;
|
|
else doc->compression = mode;
|
|
}
|
|
|
|
/**
|
|
* xmlGetCompressMode:
|
|
*
|
|
* get the default compression mode used, ZLIB based.
|
|
* Returns 0 (uncompressed) to 9 (max compression)
|
|
*/
|
|
int
|
|
xmlGetCompressMode(void)
|
|
{
|
|
return (xmlCompressMode);
|
|
}
|
|
|
|
/**
|
|
* xmlSetCompressMode:
|
|
* @mode: the compression ratio
|
|
*
|
|
* set the default compression mode used, ZLIB based
|
|
* Correct values: 0 (uncompressed) to 9 (max compression)
|
|
*/
|
|
void
|
|
xmlSetCompressMode(int mode) {
|
|
if (mode < 0) xmlCompressMode = 0;
|
|
else if (mode > 9) xmlCompressMode = 9;
|
|
else xmlCompressMode = mode;
|
|
}
|
|
|
|
#define XML_TREE_NSMAP_PARENT -1
|
|
#define XML_TREE_NSMAP_XML -2
|
|
#define XML_TREE_NSMAP_DOC -3
|
|
#define XML_TREE_NSMAP_CUSTOM -4
|
|
|
|
typedef struct xmlNsMapItem *xmlNsMapItemPtr;
|
|
struct xmlNsMapItem {
|
|
xmlNsMapItemPtr next;
|
|
xmlNsMapItemPtr prev;
|
|
xmlNsPtr oldNs; /* old ns decl reference */
|
|
xmlNsPtr newNs; /* new ns decl reference */
|
|
int shadowDepth; /* Shadowed at this depth */
|
|
/*
|
|
* depth:
|
|
* >= 0 == @node's ns-decls
|
|
* -1 == @parent's ns-decls
|
|
* -2 == the doc->oldNs XML ns-decl
|
|
* -3 == the doc->oldNs storage ns-decls
|
|
* -4 == ns-decls provided via custom ns-handling
|
|
*/
|
|
int depth;
|
|
};
|
|
|
|
typedef struct xmlNsMap *xmlNsMapPtr;
|
|
struct xmlNsMap {
|
|
xmlNsMapItemPtr first;
|
|
xmlNsMapItemPtr last;
|
|
xmlNsMapItemPtr pool;
|
|
};
|
|
|
|
#define XML_NSMAP_NOTEMPTY(m) (((m) != NULL) && ((m)->first != NULL))
|
|
#define XML_NSMAP_FOREACH(m, i) for (i = (m)->first; i != NULL; i = (i)->next)
|
|
#define XML_NSMAP_POP(m, i) \
|
|
i = (m)->last; \
|
|
(m)->last = (i)->prev; \
|
|
if ((m)->last == NULL) \
|
|
(m)->first = NULL; \
|
|
else \
|
|
(m)->last->next = NULL; \
|
|
(i)->next = (m)->pool; \
|
|
(m)->pool = i;
|
|
|
|
/*
|
|
* xmlDOMWrapNsMapFree:
|
|
* @map: the ns-map
|
|
*
|
|
* Frees the ns-map
|
|
*/
|
|
static void
|
|
xmlDOMWrapNsMapFree(xmlNsMapPtr nsmap)
|
|
{
|
|
xmlNsMapItemPtr cur, tmp;
|
|
|
|
if (nsmap == NULL)
|
|
return;
|
|
cur = nsmap->pool;
|
|
while (cur != NULL) {
|
|
tmp = cur;
|
|
cur = cur->next;
|
|
xmlFree(tmp);
|
|
}
|
|
cur = nsmap->first;
|
|
while (cur != NULL) {
|
|
tmp = cur;
|
|
cur = cur->next;
|
|
xmlFree(tmp);
|
|
}
|
|
xmlFree(nsmap);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapNsMapAddItem:
|
|
* @map: the ns-map
|
|
* @oldNs: the old ns-struct
|
|
* @newNs: the new ns-struct
|
|
* @depth: depth and ns-kind information
|
|
*
|
|
* Adds an ns-mapping item.
|
|
*/
|
|
static xmlNsMapItemPtr
|
|
xmlDOMWrapNsMapAddItem(xmlNsMapPtr *nsmap, int position,
|
|
xmlNsPtr oldNs, xmlNsPtr newNs, int depth)
|
|
{
|
|
xmlNsMapItemPtr ret;
|
|
xmlNsMapPtr map;
|
|
|
|
if (nsmap == NULL)
|
|
return(NULL);
|
|
if ((position != -1) && (position != 0))
|
|
return(NULL);
|
|
map = *nsmap;
|
|
|
|
if (map == NULL) {
|
|
/*
|
|
* Create the ns-map.
|
|
*/
|
|
map = (xmlNsMapPtr) xmlMalloc(sizeof(struct xmlNsMap));
|
|
if (map == NULL) {
|
|
xmlTreeErrMemory("allocating namespace map");
|
|
return (NULL);
|
|
}
|
|
memset(map, 0, sizeof(struct xmlNsMap));
|
|
*nsmap = map;
|
|
}
|
|
|
|
if (map->pool != NULL) {
|
|
/*
|
|
* Reuse an item from the pool.
|
|
*/
|
|
ret = map->pool;
|
|
map->pool = ret->next;
|
|
memset(ret, 0, sizeof(struct xmlNsMapItem));
|
|
} else {
|
|
/*
|
|
* Create a new item.
|
|
*/
|
|
ret = (xmlNsMapItemPtr) xmlMalloc(sizeof(struct xmlNsMapItem));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("allocating namespace map item");
|
|
return (NULL);
|
|
}
|
|
memset(ret, 0, sizeof(struct xmlNsMapItem));
|
|
}
|
|
|
|
if (map->first == NULL) {
|
|
/*
|
|
* First ever.
|
|
*/
|
|
map->first = ret;
|
|
map->last = ret;
|
|
} else if (position == -1) {
|
|
/*
|
|
* Append.
|
|
*/
|
|
ret->prev = map->last;
|
|
map->last->next = ret;
|
|
map->last = ret;
|
|
} else if (position == 0) {
|
|
/*
|
|
* Set on first position.
|
|
*/
|
|
map->first->prev = ret;
|
|
ret->next = map->first;
|
|
map->first = ret;
|
|
}
|
|
|
|
ret->oldNs = oldNs;
|
|
ret->newNs = newNs;
|
|
ret->shadowDepth = -1;
|
|
ret->depth = depth;
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapStoreNs:
|
|
* @doc: the doc
|
|
* @nsName: the namespace name
|
|
* @prefix: the prefix
|
|
*
|
|
* Creates or reuses an xmlNs struct on doc->oldNs with
|
|
* the given prefix and namespace name.
|
|
*
|
|
* Returns the acquired ns struct or NULL in case of an API
|
|
* or internal error.
|
|
*/
|
|
static xmlNsPtr
|
|
xmlDOMWrapStoreNs(xmlDocPtr doc,
|
|
const xmlChar *nsName,
|
|
const xmlChar *prefix)
|
|
{
|
|
xmlNsPtr ns;
|
|
|
|
if (doc == NULL)
|
|
return (NULL);
|
|
ns = xmlTreeEnsureXMLDecl(doc);
|
|
if (ns == NULL)
|
|
return (NULL);
|
|
if (ns->next != NULL) {
|
|
/* Reuse. */
|
|
ns = ns->next;
|
|
while (ns != NULL) {
|
|
if (((ns->prefix == prefix) ||
|
|
xmlStrEqual(ns->prefix, prefix)) &&
|
|
xmlStrEqual(ns->href, nsName)) {
|
|
return (ns);
|
|
}
|
|
if (ns->next == NULL)
|
|
break;
|
|
ns = ns->next;
|
|
}
|
|
}
|
|
/* Create. */
|
|
if (ns != NULL) {
|
|
ns->next = xmlNewNs(NULL, nsName, prefix);
|
|
return (ns->next);
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapNewCtxt:
|
|
*
|
|
* Allocates and initializes a new DOM-wrapper context.
|
|
*
|
|
* Returns the xmlDOMWrapCtxtPtr or NULL in case of an internal error.
|
|
*/
|
|
xmlDOMWrapCtxtPtr
|
|
xmlDOMWrapNewCtxt(void)
|
|
{
|
|
xmlDOMWrapCtxtPtr ret;
|
|
|
|
ret = xmlMalloc(sizeof(xmlDOMWrapCtxt));
|
|
if (ret == NULL) {
|
|
xmlTreeErrMemory("allocating DOM-wrapper context");
|
|
return (NULL);
|
|
}
|
|
memset(ret, 0, sizeof(xmlDOMWrapCtxt));
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapFreeCtxt:
|
|
* @ctxt: the DOM-wrapper context
|
|
*
|
|
* Frees the DOM-wrapper context.
|
|
*/
|
|
void
|
|
xmlDOMWrapFreeCtxt(xmlDOMWrapCtxtPtr ctxt)
|
|
{
|
|
if (ctxt == NULL)
|
|
return;
|
|
if (ctxt->namespaceMap != NULL)
|
|
xmlDOMWrapNsMapFree((xmlNsMapPtr) ctxt->namespaceMap);
|
|
/*
|
|
* TODO: Store the namespace map in the context.
|
|
*/
|
|
xmlFree(ctxt);
|
|
}
|
|
|
|
/*
|
|
* xmlTreeLookupNsListByPrefix:
|
|
* @nsList: a list of ns-structs
|
|
* @prefix: the searched prefix
|
|
*
|
|
* Searches for a ns-decl with the given prefix in @nsList.
|
|
*
|
|
* Returns the ns-decl if found, NULL if not found and on
|
|
* API errors.
|
|
*/
|
|
static xmlNsPtr
|
|
xmlTreeNSListLookupByPrefix(xmlNsPtr nsList, const xmlChar *prefix)
|
|
{
|
|
if (nsList == NULL)
|
|
return (NULL);
|
|
{
|
|
xmlNsPtr ns;
|
|
ns = nsList;
|
|
do {
|
|
if ((prefix == ns->prefix) ||
|
|
xmlStrEqual(prefix, ns->prefix)) {
|
|
return (ns);
|
|
}
|
|
ns = ns->next;
|
|
} while (ns != NULL);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
*
|
|
* xmlDOMWrapNSNormGatherInScopeNs:
|
|
* @map: the namespace map
|
|
* @node: the node to start with
|
|
*
|
|
* Puts in-scope namespaces into the ns-map.
|
|
*
|
|
* Returns 0 on success, -1 on API or internal errors.
|
|
*/
|
|
static int
|
|
xmlDOMWrapNSNormGatherInScopeNs(xmlNsMapPtr *map,
|
|
xmlNodePtr node)
|
|
{
|
|
xmlNodePtr cur;
|
|
xmlNsPtr ns;
|
|
xmlNsMapItemPtr mi;
|
|
int shadowed;
|
|
|
|
if ((map == NULL) || (*map != NULL))
|
|
return (-1);
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL))
|
|
return (-1);
|
|
/*
|
|
* Get in-scope ns-decls of @parent.
|
|
*/
|
|
cur = node;
|
|
while ((cur != NULL) && (cur != (xmlNodePtr) cur->doc)) {
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (cur->nsDef != NULL) {
|
|
ns = cur->nsDef;
|
|
do {
|
|
shadowed = 0;
|
|
if (XML_NSMAP_NOTEMPTY(*map)) {
|
|
/*
|
|
* Skip shadowed prefixes.
|
|
*/
|
|
XML_NSMAP_FOREACH(*map, mi) {
|
|
if ((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix, mi->newNs->prefix)) {
|
|
shadowed = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Insert mapping.
|
|
*/
|
|
mi = xmlDOMWrapNsMapAddItem(map, 0, NULL,
|
|
ns, XML_TREE_NSMAP_PARENT);
|
|
if (mi == NULL)
|
|
return (-1);
|
|
if (shadowed)
|
|
mi->shadowDepth = 0;
|
|
ns = ns->next;
|
|
} while (ns != NULL);
|
|
}
|
|
}
|
|
cur = cur->parent;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* XML_TREE_ADOPT_STR: If we have a dest-dict, put @str in the dict;
|
|
* otherwise copy it, when it was in the source-dict.
|
|
*/
|
|
#define XML_TREE_ADOPT_STR(str) \
|
|
if (adoptStr && (str != NULL)) { \
|
|
if (destDoc->dict) { \
|
|
const xmlChar *old = str; \
|
|
str = xmlDictLookup(destDoc->dict, str, -1); \
|
|
if ((sourceDoc == NULL) || (sourceDoc->dict == NULL) || \
|
|
(!xmlDictOwns(sourceDoc->dict, old))) \
|
|
xmlFree((char *)old); \
|
|
} else if ((sourceDoc) && (sourceDoc->dict) && \
|
|
xmlDictOwns(sourceDoc->dict, str)) { \
|
|
str = BAD_CAST xmlStrdup(str); \
|
|
} \
|
|
}
|
|
|
|
/*
|
|
* XML_TREE_ADOPT_STR_2: If @str was in the source-dict, then
|
|
* put it in dest-dict or copy it.
|
|
*/
|
|
#define XML_TREE_ADOPT_STR_2(str) \
|
|
if (adoptStr && (str != NULL) && (sourceDoc != NULL) && \
|
|
(sourceDoc->dict != NULL) && \
|
|
xmlDictOwns(sourceDoc->dict, cur->content)) { \
|
|
if (destDoc->dict) \
|
|
cur->content = (xmlChar *) \
|
|
xmlDictLookup(destDoc->dict, cur->content, -1); \
|
|
else \
|
|
cur->content = xmlStrdup(BAD_CAST cur->content); \
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapNSNormAddNsMapItem2:
|
|
*
|
|
* For internal use. Adds a ns-decl mapping.
|
|
*
|
|
* Returns 0 on success, -1 on internal errors.
|
|
*/
|
|
static int
|
|
xmlDOMWrapNSNormAddNsMapItem2(xmlNsPtr **list, int *size, int *number,
|
|
xmlNsPtr oldNs, xmlNsPtr newNs)
|
|
{
|
|
if (*list == NULL) {
|
|
*list = (xmlNsPtr *) xmlMalloc(6 * sizeof(xmlNsPtr));
|
|
if (*list == NULL) {
|
|
xmlTreeErrMemory("alloc ns map item");
|
|
return(-1);
|
|
}
|
|
*size = 3;
|
|
*number = 0;
|
|
} else if ((*number) >= (*size)) {
|
|
*size *= 2;
|
|
*list = (xmlNsPtr *) xmlRealloc(*list,
|
|
(*size) * 2 * sizeof(xmlNsPtr));
|
|
if (*list == NULL) {
|
|
xmlTreeErrMemory("realloc ns map item");
|
|
return(-1);
|
|
}
|
|
}
|
|
(*list)[2 * (*number)] = oldNs;
|
|
(*list)[2 * (*number) +1] = newNs;
|
|
(*number)++;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapRemoveNode:
|
|
* @ctxt: a DOM wrapper context
|
|
* @doc: the doc
|
|
* @node: the node to be removed.
|
|
* @options: set of options, unused at the moment
|
|
*
|
|
* Unlinks the given node from its owner.
|
|
* This will substitute ns-references to node->nsDef for
|
|
* ns-references to doc->oldNs, thus ensuring the removed
|
|
* branch to be autark wrt ns-references.
|
|
*
|
|
* NOTE: This function was not intensively tested.
|
|
*
|
|
* Returns 0 on success, 1 if the node is not supported,
|
|
* -1 on API and internal errors.
|
|
*/
|
|
int
|
|
xmlDOMWrapRemoveNode(xmlDOMWrapCtxtPtr ctxt, xmlDocPtr doc,
|
|
xmlNodePtr node, int options ATTRIBUTE_UNUSED)
|
|
{
|
|
xmlNsPtr *list = NULL;
|
|
int sizeList, nbList, i, j;
|
|
xmlNsPtr ns;
|
|
|
|
if ((node == NULL) || (doc == NULL) || (node->doc != doc))
|
|
return (-1);
|
|
|
|
/* TODO: 0 or -1 ? */
|
|
if (node->parent == NULL)
|
|
return (0);
|
|
|
|
switch (node->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
xmlUnlinkNode(node);
|
|
return (0);
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
break;
|
|
default:
|
|
return (1);
|
|
}
|
|
xmlUnlinkNode(node);
|
|
/*
|
|
* Save out-of-scope ns-references in doc->oldNs.
|
|
*/
|
|
do {
|
|
switch (node->type) {
|
|
case XML_ELEMENT_NODE:
|
|
if ((ctxt == NULL) && (node->nsDef != NULL)) {
|
|
ns = node->nsDef;
|
|
do {
|
|
if (xmlDOMWrapNSNormAddNsMapItem2(&list, &sizeList,
|
|
&nbList, ns, ns) == -1)
|
|
goto internal_error;
|
|
ns = ns->next;
|
|
} while (ns != NULL);
|
|
}
|
|
/* Falls through. */
|
|
case XML_ATTRIBUTE_NODE:
|
|
if (node->ns != NULL) {
|
|
/*
|
|
* Find a mapping.
|
|
*/
|
|
if (list != NULL) {
|
|
for (i = 0, j = 0; i < nbList; i++, j += 2) {
|
|
if (node->ns == list[j]) {
|
|
node->ns = list[++j];
|
|
goto next_node;
|
|
}
|
|
}
|
|
}
|
|
ns = NULL;
|
|
if (ctxt != NULL) {
|
|
/*
|
|
* User defined.
|
|
*/
|
|
} else {
|
|
/*
|
|
* Add to doc's oldNs.
|
|
*/
|
|
ns = xmlDOMWrapStoreNs(doc, node->ns->href,
|
|
node->ns->prefix);
|
|
if (ns == NULL)
|
|
goto internal_error;
|
|
}
|
|
if (ns != NULL) {
|
|
/*
|
|
* Add mapping.
|
|
*/
|
|
if (xmlDOMWrapNSNormAddNsMapItem2(&list, &sizeList,
|
|
&nbList, node->ns, ns) == -1)
|
|
goto internal_error;
|
|
}
|
|
node->ns = ns;
|
|
}
|
|
if ((node->type == XML_ELEMENT_NODE) &&
|
|
(node->properties != NULL)) {
|
|
node = (xmlNodePtr) node->properties;
|
|
continue;
|
|
}
|
|
break;
|
|
default:
|
|
goto next_sibling;
|
|
}
|
|
next_node:
|
|
if ((node->type == XML_ELEMENT_NODE) &&
|
|
(node->children != NULL)) {
|
|
node = node->children;
|
|
continue;
|
|
}
|
|
next_sibling:
|
|
if (node == NULL)
|
|
break;
|
|
if (node->next != NULL)
|
|
node = node->next;
|
|
else {
|
|
node = node->parent;
|
|
goto next_sibling;
|
|
}
|
|
} while (node != NULL);
|
|
|
|
if (list != NULL)
|
|
xmlFree(list);
|
|
return (0);
|
|
|
|
internal_error:
|
|
if (list != NULL)
|
|
xmlFree(list);
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* xmlSearchNsByNamespaceStrict:
|
|
* @doc: the document
|
|
* @node: the start node
|
|
* @nsName: the searched namespace name
|
|
* @retNs: the resulting ns-decl
|
|
* @prefixed: if the found ns-decl must have a prefix (for attributes)
|
|
*
|
|
* Dynamically searches for a ns-declaration which matches
|
|
* the given @nsName in the ancestor-or-self axis of @node.
|
|
*
|
|
* Returns 1 if a ns-decl was found, 0 if not and -1 on API
|
|
* and internal errors.
|
|
*/
|
|
static int
|
|
xmlSearchNsByNamespaceStrict(xmlDocPtr doc, xmlNodePtr node,
|
|
const xmlChar* nsName,
|
|
xmlNsPtr *retNs, int prefixed)
|
|
{
|
|
xmlNodePtr cur, prev = NULL, out = NULL;
|
|
xmlNsPtr ns, prevns;
|
|
|
|
if ((doc == NULL) || (nsName == NULL) || (retNs == NULL))
|
|
return (-1);
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL))
|
|
return(-1);
|
|
|
|
*retNs = NULL;
|
|
if (xmlStrEqual(nsName, XML_XML_NAMESPACE)) {
|
|
*retNs = xmlTreeEnsureXMLDecl(doc);
|
|
if (*retNs == NULL)
|
|
return (-1);
|
|
return (1);
|
|
}
|
|
cur = node;
|
|
do {
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (cur->nsDef != NULL) {
|
|
for (ns = cur->nsDef; ns != NULL; ns = ns->next) {
|
|
if (prefixed && (ns->prefix == NULL))
|
|
continue;
|
|
if (prev != NULL) {
|
|
/*
|
|
* Check the last level of ns-decls for a
|
|
* shadowing prefix.
|
|
*/
|
|
prevns = prev->nsDef;
|
|
do {
|
|
if ((prevns->prefix == ns->prefix) ||
|
|
((prevns->prefix != NULL) &&
|
|
(ns->prefix != NULL) &&
|
|
xmlStrEqual(prevns->prefix, ns->prefix))) {
|
|
/*
|
|
* Shadowed.
|
|
*/
|
|
break;
|
|
}
|
|
prevns = prevns->next;
|
|
} while (prevns != NULL);
|
|
if (prevns != NULL)
|
|
continue;
|
|
}
|
|
/*
|
|
* Ns-name comparison.
|
|
*/
|
|
if ((nsName == ns->href) ||
|
|
xmlStrEqual(nsName, ns->href)) {
|
|
/*
|
|
* At this point the prefix can only be shadowed,
|
|
* if we are the the (at least) 3rd level of
|
|
* ns-decls.
|
|
*/
|
|
if (out) {
|
|
int ret;
|
|
|
|
ret = xmlNsInScope(doc, node, prev, ns->prefix);
|
|
if (ret < 0)
|
|
return (-1);
|
|
/*
|
|
* TODO: Should we try to find a matching ns-name
|
|
* only once? This here keeps on searching.
|
|
* I think we should try further since, there might
|
|
* be an other matching ns-decl with an unshadowed
|
|
* prefix.
|
|
*/
|
|
if (! ret)
|
|
continue;
|
|
}
|
|
*retNs = ns;
|
|
return (1);
|
|
}
|
|
}
|
|
out = prev;
|
|
prev = cur;
|
|
}
|
|
} else if ((cur->type == XML_ENTITY_NODE) ||
|
|
(cur->type == XML_ENTITY_DECL))
|
|
return (0);
|
|
cur = cur->parent;
|
|
} while ((cur != NULL) && (cur->doc != (xmlDocPtr) cur));
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* xmlSearchNsByPrefixStrict:
|
|
* @doc: the document
|
|
* @node: the start node
|
|
* @prefix: the searched namespace prefix
|
|
* @retNs: the resulting ns-decl
|
|
*
|
|
* Dynamically searches for a ns-declaration which matches
|
|
* the given @nsName in the ancestor-or-self axis of @node.
|
|
*
|
|
* Returns 1 if a ns-decl was found, 0 if not and -1 on API
|
|
* and internal errors.
|
|
*/
|
|
static int
|
|
xmlSearchNsByPrefixStrict(xmlDocPtr doc, xmlNodePtr node,
|
|
const xmlChar* prefix,
|
|
xmlNsPtr *retNs)
|
|
{
|
|
xmlNodePtr cur;
|
|
xmlNsPtr ns;
|
|
|
|
if ((doc == NULL) || (node == NULL) || (node->type == XML_NAMESPACE_DECL))
|
|
return(-1);
|
|
|
|
if (retNs)
|
|
*retNs = NULL;
|
|
if (IS_STR_XML(prefix)) {
|
|
if (retNs) {
|
|
*retNs = xmlTreeEnsureXMLDecl(doc);
|
|
if (*retNs == NULL)
|
|
return (-1);
|
|
}
|
|
return (1);
|
|
}
|
|
cur = node;
|
|
do {
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (cur->nsDef != NULL) {
|
|
ns = cur->nsDef;
|
|
do {
|
|
if ((prefix == ns->prefix) ||
|
|
xmlStrEqual(prefix, ns->prefix))
|
|
{
|
|
/*
|
|
* Disabled namespaces, e.g. xmlns:abc="".
|
|
*/
|
|
if (ns->href == NULL)
|
|
return(0);
|
|
if (retNs)
|
|
*retNs = ns;
|
|
return (1);
|
|
}
|
|
ns = ns->next;
|
|
} while (ns != NULL);
|
|
}
|
|
} else if ((cur->type == XML_ENTITY_NODE) ||
|
|
(cur->type == XML_ENTITY_DECL))
|
|
return (0);
|
|
cur = cur->parent;
|
|
} while ((cur != NULL) && (cur->doc != (xmlDocPtr) cur));
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapNSNormDeclareNsForced:
|
|
* @doc: the doc
|
|
* @elem: the element-node to declare on
|
|
* @nsName: the namespace-name of the ns-decl
|
|
* @prefix: the preferred prefix of the ns-decl
|
|
* @checkShadow: ensure that the new ns-decl doesn't shadow ancestor ns-decls
|
|
*
|
|
* Declares a new namespace on @elem. It tries to use the
|
|
* given @prefix; if a ns-decl with the given prefix is already existent
|
|
* on @elem, it will generate an other prefix.
|
|
*
|
|
* Returns 1 if a ns-decl was found, 0 if not and -1 on API
|
|
* and internal errors.
|
|
*/
|
|
static xmlNsPtr
|
|
xmlDOMWrapNSNormDeclareNsForced(xmlDocPtr doc,
|
|
xmlNodePtr elem,
|
|
const xmlChar *nsName,
|
|
const xmlChar *prefix,
|
|
int checkShadow)
|
|
{
|
|
|
|
xmlNsPtr ret;
|
|
char buf[50];
|
|
const xmlChar *pref;
|
|
int counter = 0;
|
|
|
|
if ((doc == NULL) || (elem == NULL) || (elem->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
/*
|
|
* Create a ns-decl on @anchor.
|
|
*/
|
|
pref = prefix;
|
|
while (1) {
|
|
/*
|
|
* Lookup whether the prefix is unused in elem's ns-decls.
|
|
*/
|
|
if ((elem->nsDef != NULL) &&
|
|
(xmlTreeNSListLookupByPrefix(elem->nsDef, pref) != NULL))
|
|
goto ns_next_prefix;
|
|
if (checkShadow && elem->parent &&
|
|
((xmlNodePtr) elem->parent->doc != elem->parent)) {
|
|
/*
|
|
* Does it shadow ancestor ns-decls?
|
|
*/
|
|
if (xmlSearchNsByPrefixStrict(doc, elem->parent, pref, NULL) == 1)
|
|
goto ns_next_prefix;
|
|
}
|
|
ret = xmlNewNs(NULL, nsName, pref);
|
|
if (ret == NULL)
|
|
return (NULL);
|
|
if (elem->nsDef == NULL)
|
|
elem->nsDef = ret;
|
|
else {
|
|
xmlNsPtr ns2 = elem->nsDef;
|
|
while (ns2->next != NULL)
|
|
ns2 = ns2->next;
|
|
ns2->next = ret;
|
|
}
|
|
return (ret);
|
|
ns_next_prefix:
|
|
counter++;
|
|
if (counter > 1000)
|
|
return (NULL);
|
|
if (prefix == NULL) {
|
|
snprintf((char *) buf, sizeof(buf),
|
|
"ns_%d", counter);
|
|
} else
|
|
snprintf((char *) buf, sizeof(buf),
|
|
"%.30s_%d", (char *)prefix, counter);
|
|
pref = BAD_CAST buf;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapNSNormAcquireNormalizedNs:
|
|
* @doc: the doc
|
|
* @elem: the element-node to declare namespaces on
|
|
* @ns: the ns-struct to use for the search
|
|
* @retNs: the found/created ns-struct
|
|
* @nsMap: the ns-map
|
|
* @depth: the current tree depth
|
|
* @ancestorsOnly: search in ancestor ns-decls only
|
|
* @prefixed: if the searched ns-decl must have a prefix (for attributes)
|
|
*
|
|
* Searches for a matching ns-name in the ns-decls of @nsMap, if not
|
|
* found it will either declare it on @elem, or store it in doc->oldNs.
|
|
* If a new ns-decl needs to be declared on @elem, it tries to use the
|
|
* @ns->prefix for it, if this prefix is already in use on @elem, it will
|
|
* change the prefix or the new ns-decl.
|
|
*
|
|
* Returns 0 if succeeded, -1 otherwise and on API/internal errors.
|
|
*/
|
|
static int
|
|
xmlDOMWrapNSNormAcquireNormalizedNs(xmlDocPtr doc,
|
|
xmlNodePtr elem,
|
|
xmlNsPtr ns,
|
|
xmlNsPtr *retNs,
|
|
xmlNsMapPtr *nsMap,
|
|
|
|
int depth,
|
|
int ancestorsOnly,
|
|
int prefixed)
|
|
{
|
|
xmlNsMapItemPtr mi;
|
|
|
|
if ((doc == NULL) || (ns == NULL) || (retNs == NULL) ||
|
|
(nsMap == NULL))
|
|
return (-1);
|
|
|
|
*retNs = NULL;
|
|
/*
|
|
* Handle XML namespace.
|
|
*/
|
|
if (IS_STR_XML(ns->prefix)) {
|
|
/*
|
|
* Insert XML namespace mapping.
|
|
*/
|
|
*retNs = xmlTreeEnsureXMLDecl(doc);
|
|
if (*retNs == NULL)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
/*
|
|
* If the search should be done in ancestors only and no
|
|
* @elem (the first ancestor) was specified, then skip the search.
|
|
*/
|
|
if ((XML_NSMAP_NOTEMPTY(*nsMap)) &&
|
|
(! (ancestorsOnly && (elem == NULL))))
|
|
{
|
|
/*
|
|
* Try to find an equal ns-name in in-scope ns-decls.
|
|
*/
|
|
XML_NSMAP_FOREACH(*nsMap, mi) {
|
|
if ((mi->depth >= XML_TREE_NSMAP_PARENT) &&
|
|
/*
|
|
* ancestorsOnly: This should be turned on to gain speed,
|
|
* if one knows that the branch itself was already
|
|
* ns-wellformed and no stale references existed.
|
|
* I.e. it searches in the ancestor axis only.
|
|
*/
|
|
((! ancestorsOnly) || (mi->depth == XML_TREE_NSMAP_PARENT)) &&
|
|
/* Skip shadowed prefixes. */
|
|
(mi->shadowDepth == -1) &&
|
|
/* Skip xmlns="" or xmlns:foo="". */
|
|
((mi->newNs->href != NULL) &&
|
|
(mi->newNs->href[0] != 0)) &&
|
|
/* Ensure a prefix if wanted. */
|
|
((! prefixed) || (mi->newNs->prefix != NULL)) &&
|
|
/* Equal ns name */
|
|
((mi->newNs->href == ns->href) ||
|
|
xmlStrEqual(mi->newNs->href, ns->href))) {
|
|
/* Set the mapping. */
|
|
mi->oldNs = ns;
|
|
*retNs = mi->newNs;
|
|
return (0);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* No luck, the namespace is out of scope or shadowed.
|
|
*/
|
|
if (elem == NULL) {
|
|
xmlNsPtr tmpns;
|
|
|
|
/*
|
|
* Store ns-decls in "oldNs" of the document-node.
|
|
*/
|
|
tmpns = xmlDOMWrapStoreNs(doc, ns->href, ns->prefix);
|
|
if (tmpns == NULL)
|
|
return (-1);
|
|
/*
|
|
* Insert mapping.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(nsMap, -1, ns,
|
|
tmpns, XML_TREE_NSMAP_DOC) == NULL) {
|
|
xmlFreeNs(tmpns);
|
|
return (-1);
|
|
}
|
|
*retNs = tmpns;
|
|
} else {
|
|
xmlNsPtr tmpns;
|
|
|
|
tmpns = xmlDOMWrapNSNormDeclareNsForced(doc, elem, ns->href,
|
|
ns->prefix, 0);
|
|
if (tmpns == NULL)
|
|
return (-1);
|
|
|
|
if (*nsMap != NULL) {
|
|
/*
|
|
* Does it shadow ancestor ns-decls?
|
|
*/
|
|
XML_NSMAP_FOREACH(*nsMap, mi) {
|
|
if ((mi->depth < depth) &&
|
|
(mi->shadowDepth == -1) &&
|
|
((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix, mi->newNs->prefix))) {
|
|
/*
|
|
* Shadows.
|
|
*/
|
|
mi->shadowDepth = depth;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (xmlDOMWrapNsMapAddItem(nsMap, -1, ns, tmpns, depth) == NULL) {
|
|
xmlFreeNs(tmpns);
|
|
return (-1);
|
|
}
|
|
*retNs = tmpns;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
typedef enum {
|
|
XML_DOM_RECONNS_REMOVEREDUND = 1<<0
|
|
} xmlDOMReconcileNSOptions;
|
|
|
|
/*
|
|
* xmlDOMWrapReconcileNamespaces:
|
|
* @ctxt: DOM wrapper context, unused at the moment
|
|
* @elem: the element-node
|
|
* @options: option flags
|
|
*
|
|
* Ensures that ns-references point to ns-decls hold on element-nodes.
|
|
* Ensures that the tree is namespace wellformed by creating additional
|
|
* ns-decls where needed. Note that, since prefixes of already existent
|
|
* ns-decls can be shadowed by this process, it could break QNames in
|
|
* attribute values or element content.
|
|
*
|
|
* NOTE: This function was not intensively tested.
|
|
*
|
|
* Returns 0 if succeeded, -1 otherwise and on API/internal errors.
|
|
*/
|
|
|
|
int
|
|
xmlDOMWrapReconcileNamespaces(xmlDOMWrapCtxtPtr ctxt ATTRIBUTE_UNUSED,
|
|
xmlNodePtr elem,
|
|
int options)
|
|
{
|
|
int depth = -1, adoptns = 0, parnsdone = 0;
|
|
xmlNsPtr ns, prevns;
|
|
xmlDocPtr doc;
|
|
xmlNodePtr cur, curElem = NULL;
|
|
xmlNsMapPtr nsMap = NULL;
|
|
xmlNsMapItemPtr /* topmi = NULL, */ mi;
|
|
/* @ancestorsOnly should be set by an option flag. */
|
|
int ancestorsOnly = 0;
|
|
int optRemoveRedundantNS =
|
|
((xmlDOMReconcileNSOptions) options & XML_DOM_RECONNS_REMOVEREDUND) ? 1 : 0;
|
|
xmlNsPtr *listRedund = NULL;
|
|
int sizeRedund = 0, nbRedund = 0, ret, i, j;
|
|
|
|
if ((elem == NULL) || (elem->doc == NULL) ||
|
|
(elem->type != XML_ELEMENT_NODE))
|
|
return (-1);
|
|
|
|
doc = elem->doc;
|
|
cur = elem;
|
|
do {
|
|
switch (cur->type) {
|
|
case XML_ELEMENT_NODE:
|
|
adoptns = 1;
|
|
curElem = cur;
|
|
depth++;
|
|
/*
|
|
* Namespace declarations.
|
|
*/
|
|
if (cur->nsDef != NULL) {
|
|
prevns = NULL;
|
|
ns = cur->nsDef;
|
|
while (ns != NULL) {
|
|
if (! parnsdone) {
|
|
if ((elem->parent) &&
|
|
((xmlNodePtr) elem->parent->doc != elem->parent)) {
|
|
/*
|
|
* Gather ancestor in-scope ns-decls.
|
|
*/
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap,
|
|
elem->parent) == -1)
|
|
goto internal_error;
|
|
}
|
|
parnsdone = 1;
|
|
}
|
|
|
|
/*
|
|
* Lookup the ns ancestor-axis for equal ns-decls in scope.
|
|
*/
|
|
if (optRemoveRedundantNS && XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->depth >= XML_TREE_NSMAP_PARENT) &&
|
|
(mi->shadowDepth == -1) &&
|
|
((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix, mi->newNs->prefix)) &&
|
|
((ns->href == mi->newNs->href) ||
|
|
xmlStrEqual(ns->href, mi->newNs->href)))
|
|
{
|
|
/*
|
|
* A redundant ns-decl was found.
|
|
* Add it to the list of redundant ns-decls.
|
|
*/
|
|
if (xmlDOMWrapNSNormAddNsMapItem2(&listRedund,
|
|
&sizeRedund, &nbRedund, ns, mi->newNs) == -1)
|
|
goto internal_error;
|
|
/*
|
|
* Remove the ns-decl from the element-node.
|
|
*/
|
|
if (prevns)
|
|
prevns->next = ns->next;
|
|
else
|
|
cur->nsDef = ns->next;
|
|
goto next_ns_decl;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Skip ns-references handling if the referenced
|
|
* ns-decl is declared on the same element.
|
|
*/
|
|
if ((cur->ns != NULL) && adoptns && (cur->ns == ns))
|
|
adoptns = 0;
|
|
/*
|
|
* Does it shadow any ns-decl?
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->depth >= XML_TREE_NSMAP_PARENT) &&
|
|
(mi->shadowDepth == -1) &&
|
|
((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix, mi->newNs->prefix))) {
|
|
|
|
mi->shadowDepth = depth;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Push mapping.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(&nsMap, -1, ns, ns,
|
|
depth) == NULL)
|
|
goto internal_error;
|
|
|
|
prevns = ns;
|
|
next_ns_decl:
|
|
ns = ns->next;
|
|
}
|
|
}
|
|
if (! adoptns)
|
|
goto ns_end;
|
|
/* Falls through. */
|
|
case XML_ATTRIBUTE_NODE:
|
|
/* No ns, no fun. */
|
|
if (cur->ns == NULL)
|
|
goto ns_end;
|
|
|
|
if (! parnsdone) {
|
|
if ((elem->parent) &&
|
|
((xmlNodePtr) elem->parent->doc != elem->parent)) {
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap,
|
|
elem->parent) == -1)
|
|
goto internal_error;
|
|
}
|
|
parnsdone = 1;
|
|
}
|
|
/*
|
|
* Adjust the reference if this was a redundant ns-decl.
|
|
*/
|
|
if (listRedund) {
|
|
for (i = 0, j = 0; i < nbRedund; i++, j += 2) {
|
|
if (cur->ns == listRedund[j]) {
|
|
cur->ns = listRedund[++j];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Adopt ns-references.
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Search for a mapping.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->shadowDepth == -1) &&
|
|
(cur->ns == mi->oldNs)) {
|
|
|
|
cur->ns = mi->newNs;
|
|
goto ns_end;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Acquire a normalized ns-decl and add it to the map.
|
|
*/
|
|
if (xmlDOMWrapNSNormAcquireNormalizedNs(doc, curElem,
|
|
cur->ns, &ns,
|
|
&nsMap, depth,
|
|
ancestorsOnly,
|
|
(cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1)
|
|
goto internal_error;
|
|
cur->ns = ns;
|
|
|
|
ns_end:
|
|
if ((cur->type == XML_ELEMENT_NODE) &&
|
|
(cur->properties != NULL)) {
|
|
/*
|
|
* Process attributes.
|
|
*/
|
|
cur = (xmlNodePtr) cur->properties;
|
|
continue;
|
|
}
|
|
break;
|
|
default:
|
|
goto next_sibling;
|
|
}
|
|
into_content:
|
|
if ((cur->type == XML_ELEMENT_NODE) &&
|
|
(cur->children != NULL)) {
|
|
/*
|
|
* Process content of element-nodes only.
|
|
*/
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
next_sibling:
|
|
if (cur == elem)
|
|
break;
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Pop mappings.
|
|
*/
|
|
while ((nsMap->last != NULL) &&
|
|
(nsMap->last->depth >= depth))
|
|
{
|
|
XML_NSMAP_POP(nsMap, mi)
|
|
}
|
|
/*
|
|
* Unshadow.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if (mi->shadowDepth >= depth)
|
|
mi->shadowDepth = -1;
|
|
}
|
|
}
|
|
depth--;
|
|
}
|
|
if (cur->next != NULL)
|
|
cur = cur->next;
|
|
else {
|
|
if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
cur = cur->parent;
|
|
goto into_content;
|
|
}
|
|
cur = cur->parent;
|
|
goto next_sibling;
|
|
}
|
|
} while (cur != NULL);
|
|
|
|
ret = 0;
|
|
goto exit;
|
|
internal_error:
|
|
ret = -1;
|
|
exit:
|
|
if (listRedund) {
|
|
for (i = 0, j = 0; i < nbRedund; i++, j += 2) {
|
|
xmlFreeNs(listRedund[j]);
|
|
}
|
|
xmlFree(listRedund);
|
|
}
|
|
if (nsMap != NULL)
|
|
xmlDOMWrapNsMapFree(nsMap);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapAdoptBranch:
|
|
* @ctxt: the optional context for custom processing
|
|
* @sourceDoc: the optional sourceDoc
|
|
* @node: the element-node to start with
|
|
* @destDoc: the destination doc for adoption
|
|
* @destParent: the optional new parent of @node in @destDoc
|
|
* @options: option flags
|
|
*
|
|
* Ensures that ns-references point to @destDoc: either to
|
|
* elements->nsDef entries if @destParent is given, or to
|
|
* @destDoc->oldNs otherwise.
|
|
* If @destParent is given, it ensures that the tree is namespace
|
|
* wellformed by creating additional ns-decls where needed.
|
|
* Note that, since prefixes of already existent ns-decls can be
|
|
* shadowed by this process, it could break QNames in attribute
|
|
* values or element content.
|
|
*
|
|
* NOTE: This function was not intensively tested.
|
|
*
|
|
* Returns 0 if succeeded, -1 otherwise and on API/internal errors.
|
|
*/
|
|
static int
|
|
xmlDOMWrapAdoptBranch(xmlDOMWrapCtxtPtr ctxt,
|
|
xmlDocPtr sourceDoc,
|
|
xmlNodePtr node,
|
|
xmlDocPtr destDoc,
|
|
xmlNodePtr destParent,
|
|
int options ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = 0;
|
|
xmlNodePtr cur, curElem = NULL;
|
|
xmlNsMapPtr nsMap = NULL;
|
|
xmlNsMapItemPtr mi;
|
|
xmlNsPtr ns = NULL;
|
|
int depth = -1, adoptStr = 1;
|
|
/* gather @parent's ns-decls. */
|
|
int parnsdone;
|
|
/* @ancestorsOnly should be set per option. */
|
|
int ancestorsOnly = 0;
|
|
|
|
/*
|
|
* Optimize string adoption for equal or none dicts.
|
|
*/
|
|
if ((sourceDoc != NULL) &&
|
|
(sourceDoc->dict == destDoc->dict))
|
|
adoptStr = 0;
|
|
else
|
|
adoptStr = 1;
|
|
|
|
/*
|
|
* Get the ns-map from the context if available.
|
|
*/
|
|
if (ctxt)
|
|
nsMap = (xmlNsMapPtr) ctxt->namespaceMap;
|
|
/*
|
|
* Disable search for ns-decls in the parent-axis of the
|
|
* destination element, if:
|
|
* 1) there's no destination parent
|
|
* 2) custom ns-reference handling is used
|
|
*/
|
|
if ((destParent == NULL) ||
|
|
(ctxt && ctxt->getNsForNodeFunc))
|
|
{
|
|
parnsdone = 1;
|
|
} else
|
|
parnsdone = 0;
|
|
|
|
cur = node;
|
|
if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL))
|
|
goto internal_error;
|
|
|
|
while (cur != NULL) {
|
|
/*
|
|
* Paranoid source-doc sanity check.
|
|
*/
|
|
if (cur->doc != sourceDoc) {
|
|
/*
|
|
* We'll assume XIncluded nodes if the doc differs.
|
|
* TODO: Do we need to reconciliate XIncluded nodes?
|
|
* This here skips XIncluded nodes and tries to handle
|
|
* broken sequences.
|
|
*/
|
|
if (cur->next == NULL)
|
|
goto leave_node;
|
|
do {
|
|
cur = cur->next;
|
|
if ((cur->type == XML_XINCLUDE_END) ||
|
|
(cur->doc == node->doc))
|
|
break;
|
|
} while (cur->next != NULL);
|
|
|
|
if (cur->doc != node->doc)
|
|
goto leave_node;
|
|
}
|
|
cur->doc = destDoc;
|
|
switch (cur->type) {
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
/*
|
|
* TODO
|
|
*/
|
|
return (-1);
|
|
case XML_ELEMENT_NODE:
|
|
curElem = cur;
|
|
depth++;
|
|
/*
|
|
* Namespace declarations.
|
|
* - ns->href and ns->prefix are never in the dict, so
|
|
* we need not move the values over to the destination dict.
|
|
* - Note that for custom handling of ns-references,
|
|
* the ns-decls need not be stored in the ns-map,
|
|
* since they won't be referenced by node->ns.
|
|
*/
|
|
if ((cur->nsDef) &&
|
|
((ctxt == NULL) || (ctxt->getNsForNodeFunc == NULL)))
|
|
{
|
|
if (! parnsdone) {
|
|
/*
|
|
* Gather @parent's in-scope ns-decls.
|
|
*/
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap,
|
|
destParent) == -1)
|
|
goto internal_error;
|
|
parnsdone = 1;
|
|
}
|
|
for (ns = cur->nsDef; ns != NULL; ns = ns->next) {
|
|
/*
|
|
* NOTE: ns->prefix and ns->href are never in the dict.
|
|
* XML_TREE_ADOPT_STR(ns->prefix)
|
|
* XML_TREE_ADOPT_STR(ns->href)
|
|
*/
|
|
/*
|
|
* Does it shadow any ns-decl?
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->depth >= XML_TREE_NSMAP_PARENT) &&
|
|
(mi->shadowDepth == -1) &&
|
|
((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix,
|
|
mi->newNs->prefix))) {
|
|
|
|
mi->shadowDepth = depth;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Push mapping.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(&nsMap, -1,
|
|
ns, ns, depth) == NULL)
|
|
goto internal_error;
|
|
}
|
|
}
|
|
/* Falls through. */
|
|
case XML_ATTRIBUTE_NODE:
|
|
/* No namespace, no fun. */
|
|
if (cur->ns == NULL)
|
|
goto ns_end;
|
|
|
|
if (! parnsdone) {
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap,
|
|
destParent) == -1)
|
|
goto internal_error;
|
|
parnsdone = 1;
|
|
}
|
|
/*
|
|
* Adopt ns-references.
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Search for a mapping.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->shadowDepth == -1) &&
|
|
(cur->ns == mi->oldNs)) {
|
|
|
|
cur->ns = mi->newNs;
|
|
goto ns_end;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* No matching namespace in scope. We need a new one.
|
|
*/
|
|
if ((ctxt) && (ctxt->getNsForNodeFunc)) {
|
|
/*
|
|
* User-defined behaviour.
|
|
*/
|
|
ns = ctxt->getNsForNodeFunc(ctxt, cur,
|
|
cur->ns->href, cur->ns->prefix);
|
|
/*
|
|
* Insert mapping if ns is available; it's the users fault
|
|
* if not.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(&nsMap, -1,
|
|
cur->ns, ns, XML_TREE_NSMAP_CUSTOM) == NULL)
|
|
goto internal_error;
|
|
cur->ns = ns;
|
|
} else {
|
|
/*
|
|
* Acquire a normalized ns-decl and add it to the map.
|
|
*/
|
|
if (xmlDOMWrapNSNormAcquireNormalizedNs(destDoc,
|
|
/* ns-decls on curElem or on destDoc->oldNs */
|
|
destParent ? curElem : NULL,
|
|
cur->ns, &ns,
|
|
&nsMap, depth,
|
|
ancestorsOnly,
|
|
/* ns-decls must be prefixed for attributes. */
|
|
(cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1)
|
|
goto internal_error;
|
|
cur->ns = ns;
|
|
}
|
|
ns_end:
|
|
/*
|
|
* Further node properties.
|
|
* TODO: Is this all?
|
|
*/
|
|
XML_TREE_ADOPT_STR(cur->name)
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
cur->psvi = NULL;
|
|
cur->line = 0;
|
|
cur->extra = 0;
|
|
/*
|
|
* Walk attributes.
|
|
*/
|
|
if (cur->properties != NULL) {
|
|
/*
|
|
* Process first attribute node.
|
|
*/
|
|
cur = (xmlNodePtr) cur->properties;
|
|
continue;
|
|
}
|
|
} else {
|
|
/*
|
|
* Attributes.
|
|
*/
|
|
if ((sourceDoc != NULL) &&
|
|
(((xmlAttrPtr) cur)->atype == XML_ATTRIBUTE_ID))
|
|
{
|
|
xmlRemoveID(sourceDoc, (xmlAttrPtr) cur);
|
|
}
|
|
((xmlAttrPtr) cur)->atype = 0;
|
|
((xmlAttrPtr) cur)->psvi = NULL;
|
|
}
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
/*
|
|
* This puts the content in the dest dict, only if
|
|
* it was previously in the source dict.
|
|
*/
|
|
XML_TREE_ADOPT_STR_2(cur->content)
|
|
goto leave_node;
|
|
case XML_ENTITY_REF_NODE:
|
|
/*
|
|
* Remove reference to the entity-node.
|
|
*/
|
|
cur->content = NULL;
|
|
cur->children = NULL;
|
|
cur->last = NULL;
|
|
if ((destDoc->intSubset) || (destDoc->extSubset)) {
|
|
xmlEntityPtr ent;
|
|
/*
|
|
* Assign new entity-node if available.
|
|
*/
|
|
ent = xmlGetDocEntity(destDoc, cur->name);
|
|
if (ent != NULL) {
|
|
cur->content = ent->content;
|
|
cur->children = (xmlNodePtr) ent;
|
|
cur->last = (xmlNodePtr) ent;
|
|
}
|
|
}
|
|
goto leave_node;
|
|
case XML_PI_NODE:
|
|
XML_TREE_ADOPT_STR(cur->name)
|
|
XML_TREE_ADOPT_STR_2(cur->content)
|
|
break;
|
|
case XML_COMMENT_NODE:
|
|
break;
|
|
default:
|
|
goto internal_error;
|
|
}
|
|
/*
|
|
* Walk the tree.
|
|
*/
|
|
if (cur->children != NULL) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
|
|
leave_node:
|
|
if (cur == node)
|
|
break;
|
|
if ((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_XINCLUDE_START) ||
|
|
(cur->type == XML_XINCLUDE_END))
|
|
{
|
|
/*
|
|
* TODO: Do we expect nsDefs on XML_XINCLUDE_START?
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Pop mappings.
|
|
*/
|
|
while ((nsMap->last != NULL) &&
|
|
(nsMap->last->depth >= depth))
|
|
{
|
|
XML_NSMAP_POP(nsMap, mi)
|
|
}
|
|
/*
|
|
* Unshadow.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if (mi->shadowDepth >= depth)
|
|
mi->shadowDepth = -1;
|
|
}
|
|
}
|
|
depth--;
|
|
}
|
|
if (cur->next != NULL)
|
|
cur = cur->next;
|
|
else if ((cur->type == XML_ATTRIBUTE_NODE) &&
|
|
(cur->parent->children != NULL))
|
|
{
|
|
cur = cur->parent->children;
|
|
} else {
|
|
cur = cur->parent;
|
|
goto leave_node;
|
|
}
|
|
}
|
|
|
|
goto exit;
|
|
|
|
internal_error:
|
|
ret = -1;
|
|
|
|
exit:
|
|
/*
|
|
* Cleanup.
|
|
*/
|
|
if (nsMap != NULL) {
|
|
if ((ctxt) && (ctxt->namespaceMap == nsMap)) {
|
|
/*
|
|
* Just cleanup the map but don't free.
|
|
*/
|
|
if (nsMap->first) {
|
|
if (nsMap->pool)
|
|
nsMap->last->next = nsMap->pool;
|
|
nsMap->pool = nsMap->first;
|
|
nsMap->first = NULL;
|
|
}
|
|
} else
|
|
xmlDOMWrapNsMapFree(nsMap);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapCloneNode:
|
|
* @ctxt: the optional context for custom processing
|
|
* @sourceDoc: the optional sourceDoc
|
|
* @node: the node to start with
|
|
* @resNode: the clone of the given @node
|
|
* @destDoc: the destination doc
|
|
* @destParent: the optional new parent of @node in @destDoc
|
|
* @deep: descend into child if set
|
|
* @options: option flags
|
|
*
|
|
* References of out-of scope ns-decls are remapped to point to @destDoc:
|
|
* 1) If @destParent is given, then nsDef entries on element-nodes are used
|
|
* 2) If *no* @destParent is given, then @destDoc->oldNs entries are used.
|
|
* This is the case when you don't know already where the cloned branch
|
|
* will be added to.
|
|
*
|
|
* If @destParent is given, it ensures that the tree is namespace
|
|
* wellformed by creating additional ns-decls where needed.
|
|
* Note that, since prefixes of already existent ns-decls can be
|
|
* shadowed by this process, it could break QNames in attribute
|
|
* values or element content.
|
|
* TODO:
|
|
* 1) What to do with XInclude? Currently this returns an error for XInclude.
|
|
*
|
|
* Returns 0 if the operation succeeded,
|
|
* 1 if a node of unsupported (or not yet supported) type was given,
|
|
* -1 on API/internal errors.
|
|
*/
|
|
|
|
int
|
|
xmlDOMWrapCloneNode(xmlDOMWrapCtxtPtr ctxt,
|
|
xmlDocPtr sourceDoc,
|
|
xmlNodePtr node,
|
|
xmlNodePtr *resNode,
|
|
xmlDocPtr destDoc,
|
|
xmlNodePtr destParent,
|
|
int deep,
|
|
int options ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = 0;
|
|
xmlNodePtr cur, curElem = NULL;
|
|
xmlNsMapPtr nsMap = NULL;
|
|
xmlNsMapItemPtr mi;
|
|
xmlNsPtr ns;
|
|
int depth = -1;
|
|
/* int adoptStr = 1; */
|
|
/* gather @parent's ns-decls. */
|
|
int parnsdone = 0;
|
|
/*
|
|
* @ancestorsOnly:
|
|
* TODO: @ancestorsOnly should be set per option.
|
|
*
|
|
*/
|
|
int ancestorsOnly = 0;
|
|
xmlNodePtr resultClone = NULL, clone = NULL, parentClone = NULL, prevClone = NULL;
|
|
xmlNsPtr cloneNs = NULL, *cloneNsDefSlot = NULL;
|
|
xmlDictPtr dict; /* The destination dict */
|
|
|
|
if ((node == NULL) || (resNode == NULL) || (destDoc == NULL))
|
|
return(-1);
|
|
/*
|
|
* TODO: Initially we support only element-nodes.
|
|
*/
|
|
if (node->type != XML_ELEMENT_NODE)
|
|
return(1);
|
|
/*
|
|
* Check node->doc sanity.
|
|
*/
|
|
if ((node->doc != NULL) && (sourceDoc != NULL) &&
|
|
(node->doc != sourceDoc)) {
|
|
/*
|
|
* Might be an XIncluded node.
|
|
*/
|
|
return (-1);
|
|
}
|
|
if (sourceDoc == NULL)
|
|
sourceDoc = node->doc;
|
|
if (sourceDoc == NULL)
|
|
return (-1);
|
|
|
|
dict = destDoc->dict;
|
|
/*
|
|
* Reuse the namespace map of the context.
|
|
*/
|
|
if (ctxt)
|
|
nsMap = (xmlNsMapPtr) ctxt->namespaceMap;
|
|
|
|
*resNode = NULL;
|
|
|
|
cur = node;
|
|
if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL))
|
|
return(-1);
|
|
|
|
while (cur != NULL) {
|
|
if (cur->doc != sourceDoc) {
|
|
/*
|
|
* We'll assume XIncluded nodes if the doc differs.
|
|
* TODO: Do we need to reconciliate XIncluded nodes?
|
|
* TODO: This here returns -1 in this case.
|
|
*/
|
|
goto internal_error;
|
|
}
|
|
/*
|
|
* Create a new node.
|
|
*/
|
|
switch (cur->type) {
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
/*
|
|
* TODO: What to do with XInclude?
|
|
*/
|
|
goto internal_error;
|
|
break;
|
|
case XML_ELEMENT_NODE:
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
/*
|
|
* Nodes of xmlNode structure.
|
|
*/
|
|
clone = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
|
|
if (clone == NULL) {
|
|
xmlTreeErrMemory("xmlDOMWrapCloneNode(): allocating a node");
|
|
goto internal_error;
|
|
}
|
|
memset(clone, 0, sizeof(xmlNode));
|
|
/*
|
|
* Set hierarchical links.
|
|
*/
|
|
if (resultClone != NULL) {
|
|
clone->parent = parentClone;
|
|
if (prevClone) {
|
|
prevClone->next = clone;
|
|
clone->prev = prevClone;
|
|
} else
|
|
parentClone->children = clone;
|
|
} else
|
|
resultClone = clone;
|
|
|
|
break;
|
|
case XML_ATTRIBUTE_NODE:
|
|
/*
|
|
* Attributes (xmlAttr).
|
|
*/
|
|
/* Use xmlRealloc to avoid -Warray-bounds warning */
|
|
clone = (xmlNodePtr) xmlRealloc(NULL, sizeof(xmlAttr));
|
|
if (clone == NULL) {
|
|
xmlTreeErrMemory("xmlDOMWrapCloneNode(): allocating an attr-node");
|
|
goto internal_error;
|
|
}
|
|
memset(clone, 0, sizeof(xmlAttr));
|
|
/*
|
|
* Set hierarchical links.
|
|
* TODO: Change this to add to the end of attributes.
|
|
*/
|
|
if (resultClone != NULL) {
|
|
clone->parent = parentClone;
|
|
if (prevClone) {
|
|
prevClone->next = clone;
|
|
clone->prev = prevClone;
|
|
} else
|
|
parentClone->properties = (xmlAttrPtr) clone;
|
|
} else
|
|
resultClone = clone;
|
|
break;
|
|
default:
|
|
/*
|
|
* TODO QUESTION: Any other nodes expected?
|
|
*/
|
|
goto internal_error;
|
|
}
|
|
|
|
clone->type = cur->type;
|
|
clone->doc = destDoc;
|
|
|
|
/*
|
|
* Clone the name of the node if any.
|
|
*/
|
|
if (cur->name == xmlStringText)
|
|
clone->name = xmlStringText;
|
|
else if (cur->name == xmlStringTextNoenc)
|
|
/*
|
|
* NOTE: Although xmlStringTextNoenc is never assigned to a node
|
|
* in tree.c, it might be set in Libxslt via
|
|
* "xsl:disable-output-escaping".
|
|
*/
|
|
clone->name = xmlStringTextNoenc;
|
|
else if (cur->name == xmlStringComment)
|
|
clone->name = xmlStringComment;
|
|
else if (cur->name != NULL) {
|
|
DICT_CONST_COPY(cur->name, clone->name);
|
|
}
|
|
|
|
switch (cur->type) {
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
/*
|
|
* TODO
|
|
*/
|
|
return (-1);
|
|
case XML_ELEMENT_NODE:
|
|
curElem = cur;
|
|
depth++;
|
|
/*
|
|
* Namespace declarations.
|
|
*/
|
|
if (cur->nsDef != NULL) {
|
|
if (! parnsdone) {
|
|
if (destParent && (ctxt == NULL)) {
|
|
/*
|
|
* Gather @parent's in-scope ns-decls.
|
|
*/
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap,
|
|
destParent) == -1)
|
|
goto internal_error;
|
|
}
|
|
parnsdone = 1;
|
|
}
|
|
/*
|
|
* Clone namespace declarations.
|
|
*/
|
|
cloneNsDefSlot = &(clone->nsDef);
|
|
for (ns = cur->nsDef; ns != NULL; ns = ns->next) {
|
|
/*
|
|
* Create a new xmlNs.
|
|
*/
|
|
cloneNs = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
|
if (cloneNs == NULL) {
|
|
xmlTreeErrMemory("xmlDOMWrapCloneNode(): "
|
|
"allocating namespace");
|
|
return(-1);
|
|
}
|
|
memset(cloneNs, 0, sizeof(xmlNs));
|
|
cloneNs->type = XML_LOCAL_NAMESPACE;
|
|
|
|
if (ns->href != NULL)
|
|
cloneNs->href = xmlStrdup(ns->href);
|
|
if (ns->prefix != NULL)
|
|
cloneNs->prefix = xmlStrdup(ns->prefix);
|
|
|
|
*cloneNsDefSlot = cloneNs;
|
|
cloneNsDefSlot = &(cloneNs->next);
|
|
|
|
/*
|
|
* Note that for custom handling of ns-references,
|
|
* the ns-decls need not be stored in the ns-map,
|
|
* since they won't be referenced by node->ns.
|
|
*/
|
|
if ((ctxt == NULL) ||
|
|
(ctxt->getNsForNodeFunc == NULL))
|
|
{
|
|
/*
|
|
* Does it shadow any ns-decl?
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->depth >= XML_TREE_NSMAP_PARENT) &&
|
|
(mi->shadowDepth == -1) &&
|
|
((ns->prefix == mi->newNs->prefix) ||
|
|
xmlStrEqual(ns->prefix,
|
|
mi->newNs->prefix))) {
|
|
/*
|
|
* Mark as shadowed at the current
|
|
* depth.
|
|
*/
|
|
mi->shadowDepth = depth;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Push mapping.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(&nsMap, -1,
|
|
ns, cloneNs, depth) == NULL)
|
|
goto internal_error;
|
|
}
|
|
}
|
|
}
|
|
/* cur->ns will be processed further down. */
|
|
break;
|
|
case XML_ATTRIBUTE_NODE:
|
|
/* IDs will be processed further down. */
|
|
/* cur->ns will be processed further down. */
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
/*
|
|
* Note that this will also cover the values of attributes.
|
|
*/
|
|
DICT_COPY(cur->content, clone->content);
|
|
goto leave_node;
|
|
case XML_ENTITY_NODE:
|
|
/* TODO: What to do here? */
|
|
goto leave_node;
|
|
case XML_ENTITY_REF_NODE:
|
|
if (sourceDoc != destDoc) {
|
|
if ((destDoc->intSubset) || (destDoc->extSubset)) {
|
|
xmlEntityPtr ent;
|
|
/*
|
|
* Different doc: Assign new entity-node if available.
|
|
*/
|
|
ent = xmlGetDocEntity(destDoc, cur->name);
|
|
if (ent != NULL) {
|
|
clone->content = ent->content;
|
|
clone->children = (xmlNodePtr) ent;
|
|
clone->last = (xmlNodePtr) ent;
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
* Same doc: Use the current node's entity declaration
|
|
* and value.
|
|
*/
|
|
clone->content = cur->content;
|
|
clone->children = cur->children;
|
|
clone->last = cur->last;
|
|
}
|
|
goto leave_node;
|
|
case XML_PI_NODE:
|
|
DICT_COPY(cur->content, clone->content);
|
|
goto leave_node;
|
|
case XML_COMMENT_NODE:
|
|
DICT_COPY(cur->content, clone->content);
|
|
goto leave_node;
|
|
default:
|
|
goto internal_error;
|
|
}
|
|
|
|
if (cur->ns == NULL)
|
|
goto end_ns_reference;
|
|
|
|
/* handle_ns_reference: */
|
|
/*
|
|
** The following will take care of references to ns-decls ********
|
|
** and is intended only for element- and attribute-nodes.
|
|
**
|
|
*/
|
|
if (! parnsdone) {
|
|
if (destParent && (ctxt == NULL)) {
|
|
if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, destParent) == -1)
|
|
goto internal_error;
|
|
}
|
|
parnsdone = 1;
|
|
}
|
|
/*
|
|
* Adopt ns-references.
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Search for a mapping.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if ((mi->shadowDepth == -1) &&
|
|
(cur->ns == mi->oldNs)) {
|
|
/*
|
|
* This is the nice case: a mapping was found.
|
|
*/
|
|
clone->ns = mi->newNs;
|
|
goto end_ns_reference;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* No matching namespace in scope. We need a new one.
|
|
*/
|
|
if ((ctxt != NULL) && (ctxt->getNsForNodeFunc != NULL)) {
|
|
/*
|
|
* User-defined behaviour.
|
|
*/
|
|
ns = ctxt->getNsForNodeFunc(ctxt, cur,
|
|
cur->ns->href, cur->ns->prefix);
|
|
/*
|
|
* Add user's mapping.
|
|
*/
|
|
if (xmlDOMWrapNsMapAddItem(&nsMap, -1,
|
|
cur->ns, ns, XML_TREE_NSMAP_CUSTOM) == NULL)
|
|
goto internal_error;
|
|
clone->ns = ns;
|
|
} else {
|
|
/*
|
|
* Acquire a normalized ns-decl and add it to the map.
|
|
*/
|
|
if (xmlDOMWrapNSNormAcquireNormalizedNs(destDoc,
|
|
/* ns-decls on curElem or on destDoc->oldNs */
|
|
destParent ? curElem : NULL,
|
|
cur->ns, &ns,
|
|
&nsMap, depth,
|
|
/* if we need to search only in the ancestor-axis */
|
|
ancestorsOnly,
|
|
/* ns-decls must be prefixed for attributes. */
|
|
(cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1)
|
|
goto internal_error;
|
|
clone->ns = ns;
|
|
}
|
|
|
|
end_ns_reference:
|
|
|
|
/*
|
|
* Some post-processing.
|
|
*
|
|
* Handle ID attributes.
|
|
*/
|
|
if ((clone->type == XML_ATTRIBUTE_NODE) &&
|
|
(clone->parent != NULL))
|
|
{
|
|
if (xmlIsID(destDoc, clone->parent, (xmlAttrPtr) clone)) {
|
|
|
|
xmlChar *idVal;
|
|
|
|
idVal = xmlNodeListGetString(cur->doc, cur->children, 1);
|
|
if (idVal != NULL) {
|
|
if (xmlAddID(NULL, destDoc, idVal, (xmlAttrPtr) cur) == NULL) {
|
|
/* TODO: error message. */
|
|
xmlFree(idVal);
|
|
goto internal_error;
|
|
}
|
|
xmlFree(idVal);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
**
|
|
** The following will traverse the tree **************************
|
|
**
|
|
*
|
|
* Walk the element's attributes before descending into child-nodes.
|
|
*/
|
|
if ((cur->type == XML_ELEMENT_NODE) && (cur->properties != NULL)) {
|
|
prevClone = NULL;
|
|
parentClone = clone;
|
|
cur = (xmlNodePtr) cur->properties;
|
|
continue;
|
|
}
|
|
into_content:
|
|
/*
|
|
* Descend into child-nodes.
|
|
*/
|
|
if (cur->children != NULL) {
|
|
if (deep || (cur->type == XML_ATTRIBUTE_NODE)) {
|
|
prevClone = NULL;
|
|
parentClone = clone;
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
leave_node:
|
|
/*
|
|
* At this point we are done with the node, its content
|
|
* and an element-nodes's attribute-nodes.
|
|
*/
|
|
if (cur == node)
|
|
break;
|
|
if ((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_XINCLUDE_START) ||
|
|
(cur->type == XML_XINCLUDE_END)) {
|
|
/*
|
|
* TODO: Do we expect nsDefs on XML_XINCLUDE_START?
|
|
*/
|
|
if (XML_NSMAP_NOTEMPTY(nsMap)) {
|
|
/*
|
|
* Pop mappings.
|
|
*/
|
|
while ((nsMap->last != NULL) &&
|
|
(nsMap->last->depth >= depth))
|
|
{
|
|
XML_NSMAP_POP(nsMap, mi)
|
|
}
|
|
/*
|
|
* Unshadow.
|
|
*/
|
|
XML_NSMAP_FOREACH(nsMap, mi) {
|
|
if (mi->shadowDepth >= depth)
|
|
mi->shadowDepth = -1;
|
|
}
|
|
}
|
|
depth--;
|
|
}
|
|
if (cur->next != NULL) {
|
|
prevClone = clone;
|
|
cur = cur->next;
|
|
} else if (cur->type != XML_ATTRIBUTE_NODE) {
|
|
/*
|
|
* Set clone->last.
|
|
*/
|
|
if (clone->parent != NULL)
|
|
clone->parent->last = clone;
|
|
clone = clone->parent;
|
|
if (clone != NULL)
|
|
parentClone = clone->parent;
|
|
/*
|
|
* Process parent --> next;
|
|
*/
|
|
cur = cur->parent;
|
|
goto leave_node;
|
|
} else {
|
|
/* This is for attributes only. */
|
|
clone = clone->parent;
|
|
parentClone = clone->parent;
|
|
/*
|
|
* Process parent-element --> children.
|
|
*/
|
|
cur = cur->parent;
|
|
goto into_content;
|
|
}
|
|
}
|
|
goto exit;
|
|
|
|
internal_error:
|
|
ret = -1;
|
|
|
|
exit:
|
|
/*
|
|
* Cleanup.
|
|
*/
|
|
if (nsMap != NULL) {
|
|
if ((ctxt) && (ctxt->namespaceMap == nsMap)) {
|
|
/*
|
|
* Just cleanup the map but don't free.
|
|
*/
|
|
if (nsMap->first) {
|
|
if (nsMap->pool)
|
|
nsMap->last->next = nsMap->pool;
|
|
nsMap->pool = nsMap->first;
|
|
nsMap->first = NULL;
|
|
}
|
|
} else
|
|
xmlDOMWrapNsMapFree(nsMap);
|
|
}
|
|
/*
|
|
* TODO: Should we try a cleanup of the cloned node in case of a
|
|
* fatal error?
|
|
*/
|
|
*resNode = resultClone;
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapAdoptAttr:
|
|
* @ctxt: the optional context for custom processing
|
|
* @sourceDoc: the optional source document of attr
|
|
* @attr: the attribute-node to be adopted
|
|
* @destDoc: the destination doc for adoption
|
|
* @destParent: the optional new parent of @attr in @destDoc
|
|
* @options: option flags
|
|
*
|
|
* @attr is adopted by @destDoc.
|
|
* Ensures that ns-references point to @destDoc: either to
|
|
* elements->nsDef entries if @destParent is given, or to
|
|
* @destDoc->oldNs otherwise.
|
|
*
|
|
* Returns 0 if succeeded, -1 otherwise and on API/internal errors.
|
|
*/
|
|
static int
|
|
xmlDOMWrapAdoptAttr(xmlDOMWrapCtxtPtr ctxt,
|
|
xmlDocPtr sourceDoc,
|
|
xmlAttrPtr attr,
|
|
xmlDocPtr destDoc,
|
|
xmlNodePtr destParent,
|
|
int options ATTRIBUTE_UNUSED)
|
|
{
|
|
xmlNodePtr cur;
|
|
int adoptStr = 1;
|
|
|
|
if ((attr == NULL) || (destDoc == NULL))
|
|
return (-1);
|
|
|
|
attr->doc = destDoc;
|
|
if (attr->ns != NULL) {
|
|
xmlNsPtr ns = NULL;
|
|
|
|
if (ctxt != NULL) {
|
|
/* TODO: User defined. */
|
|
}
|
|
/* XML Namespace. */
|
|
if (IS_STR_XML(attr->ns->prefix)) {
|
|
ns = xmlTreeEnsureXMLDecl(destDoc);
|
|
} else if (destParent == NULL) {
|
|
/*
|
|
* Store in @destDoc->oldNs.
|
|
*/
|
|
ns = xmlDOMWrapStoreNs(destDoc, attr->ns->href, attr->ns->prefix);
|
|
} else {
|
|
/*
|
|
* Declare on @destParent.
|
|
*/
|
|
if (xmlSearchNsByNamespaceStrict(destDoc, destParent, attr->ns->href,
|
|
&ns, 1) == -1)
|
|
goto internal_error;
|
|
if (ns == NULL) {
|
|
ns = xmlDOMWrapNSNormDeclareNsForced(destDoc, destParent,
|
|
attr->ns->href, attr->ns->prefix, 1);
|
|
}
|
|
}
|
|
if (ns == NULL)
|
|
goto internal_error;
|
|
attr->ns = ns;
|
|
}
|
|
|
|
XML_TREE_ADOPT_STR(attr->name);
|
|
attr->atype = 0;
|
|
attr->psvi = NULL;
|
|
/*
|
|
* Walk content.
|
|
*/
|
|
if (attr->children == NULL)
|
|
return (0);
|
|
cur = attr->children;
|
|
if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL))
|
|
goto internal_error;
|
|
while (cur != NULL) {
|
|
cur->doc = destDoc;
|
|
switch (cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
XML_TREE_ADOPT_STR_2(cur->content)
|
|
break;
|
|
case XML_ENTITY_REF_NODE:
|
|
/*
|
|
* Remove reference to the entity-node.
|
|
*/
|
|
cur->content = NULL;
|
|
cur->children = NULL;
|
|
cur->last = NULL;
|
|
if ((destDoc->intSubset) || (destDoc->extSubset)) {
|
|
xmlEntityPtr ent;
|
|
/*
|
|
* Assign new entity-node if available.
|
|
*/
|
|
ent = xmlGetDocEntity(destDoc, cur->name);
|
|
if (ent != NULL) {
|
|
cur->content = ent->content;
|
|
cur->children = (xmlNodePtr) ent;
|
|
cur->last = (xmlNodePtr) ent;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (cur->children != NULL) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
next_sibling:
|
|
if (cur == (xmlNodePtr) attr)
|
|
break;
|
|
if (cur->next != NULL)
|
|
cur = cur->next;
|
|
else {
|
|
cur = cur->parent;
|
|
goto next_sibling;
|
|
}
|
|
}
|
|
return (0);
|
|
internal_error:
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* xmlDOMWrapAdoptNode:
|
|
* @ctxt: the optional context for custom processing
|
|
* @sourceDoc: the optional sourceDoc
|
|
* @node: the node to start with
|
|
* @destDoc: the destination doc
|
|
* @destParent: the optional new parent of @node in @destDoc
|
|
* @options: option flags
|
|
*
|
|
* References of out-of scope ns-decls are remapped to point to @destDoc:
|
|
* 1) If @destParent is given, then nsDef entries on element-nodes are used
|
|
* 2) If *no* @destParent is given, then @destDoc->oldNs entries are used
|
|
* This is the case when you have an unlinked node and just want to move it
|
|
* to the context of
|
|
*
|
|
* If @destParent is given, it ensures that the tree is namespace
|
|
* wellformed by creating additional ns-decls where needed.
|
|
* Note that, since prefixes of already existent ns-decls can be
|
|
* shadowed by this process, it could break QNames in attribute
|
|
* values or element content.
|
|
* NOTE: This function was not intensively tested.
|
|
*
|
|
* Returns 0 if the operation succeeded,
|
|
* 1 if a node of unsupported type was given,
|
|
* 2 if a node of not yet supported type was given and
|
|
* -1 on API/internal errors.
|
|
*/
|
|
int
|
|
xmlDOMWrapAdoptNode(xmlDOMWrapCtxtPtr ctxt,
|
|
xmlDocPtr sourceDoc,
|
|
xmlNodePtr node,
|
|
xmlDocPtr destDoc,
|
|
xmlNodePtr destParent,
|
|
int options)
|
|
{
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL) ||
|
|
(destDoc == NULL) ||
|
|
((destParent != NULL) && (destParent->doc != destDoc)))
|
|
return(-1);
|
|
/*
|
|
* Check node->doc sanity.
|
|
*/
|
|
if ((node->doc != NULL) && (sourceDoc != NULL) &&
|
|
(node->doc != sourceDoc)) {
|
|
/*
|
|
* Might be an XIncluded node.
|
|
*/
|
|
return (-1);
|
|
}
|
|
if (sourceDoc == NULL)
|
|
sourceDoc = node->doc;
|
|
if (sourceDoc == destDoc)
|
|
return (-1);
|
|
switch (node->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ATTRIBUTE_NODE:
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
break;
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
/* TODO: Support document-fragment-nodes. */
|
|
return (2);
|
|
default:
|
|
return (1);
|
|
}
|
|
/*
|
|
* Unlink only if @node was not already added to @destParent.
|
|
*/
|
|
if ((node->parent != NULL) && (destParent != node->parent))
|
|
xmlUnlinkNode(node);
|
|
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
return (xmlDOMWrapAdoptBranch(ctxt, sourceDoc, node,
|
|
destDoc, destParent, options));
|
|
} else if (node->type == XML_ATTRIBUTE_NODE) {
|
|
return (xmlDOMWrapAdoptAttr(ctxt, sourceDoc,
|
|
(xmlAttrPtr) node, destDoc, destParent, options));
|
|
} else {
|
|
xmlNodePtr cur = node;
|
|
int adoptStr = 1;
|
|
|
|
cur->doc = destDoc;
|
|
/*
|
|
* Optimize string adoption.
|
|
*/
|
|
if ((sourceDoc != NULL) &&
|
|
(sourceDoc->dict == destDoc->dict))
|
|
adoptStr = 0;
|
|
switch (node->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
XML_TREE_ADOPT_STR_2(node->content)
|
|
break;
|
|
case XML_ENTITY_REF_NODE:
|
|
/*
|
|
* Remove reference to the entity-node.
|
|
*/
|
|
node->content = NULL;
|
|
node->children = NULL;
|
|
node->last = NULL;
|
|
if ((destDoc->intSubset) || (destDoc->extSubset)) {
|
|
xmlEntityPtr ent;
|
|
/*
|
|
* Assign new entity-node if available.
|
|
*/
|
|
ent = xmlGetDocEntity(destDoc, node->name);
|
|
if (ent != NULL) {
|
|
node->content = ent->content;
|
|
node->children = (xmlNodePtr) ent;
|
|
node->last = (xmlNodePtr) ent;
|
|
}
|
|
}
|
|
XML_TREE_ADOPT_STR(node->name)
|
|
break;
|
|
case XML_PI_NODE: {
|
|
XML_TREE_ADOPT_STR(node->name)
|
|
XML_TREE_ADOPT_STR_2(node->content)
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|