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2695 lines
78 KiB
C
2695 lines
78 KiB
C
/*
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* xmlsave.c: Implementation of the document serializer
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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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#define IN_LIBXML
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#include "libxml.h"
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#include <string.h>
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#include <libxml/xmlmemory.h>
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#include <libxml/parserInternals.h>
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#include <libxml/tree.h>
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#include <libxml/xmlsave.h>
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#define MAX_INDENT 60
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#include <libxml/HTMLtree.h>
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#include "private/buf.h"
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#include "private/enc.h"
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#include "private/error.h"
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#include "private/save.h"
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#ifdef LIBXML_OUTPUT_ENABLED
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#define XHTML_NS_NAME BAD_CAST "http://www.w3.org/1999/xhtml"
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#define TODO \
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xmlGenericError(xmlGenericErrorContext, \
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"Unimplemented block at %s:%d\n", \
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__FILE__, __LINE__);
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struct _xmlSaveCtxt {
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void *_private;
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int type;
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int fd;
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const xmlChar *filename;
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const xmlChar *encoding;
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xmlCharEncodingHandlerPtr handler;
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xmlOutputBufferPtr buf;
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int options;
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int level;
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int format;
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char indent[MAX_INDENT + 1]; /* array for indenting output */
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int indent_nr;
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int indent_size;
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xmlCharEncodingOutputFunc escape; /* used for element content */
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xmlCharEncodingOutputFunc escapeAttr;/* used for attribute content */
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};
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/************************************************************************
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* *
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* Output error handlers *
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* *
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************************************************************************/
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/**
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* xmlSaveErrMemory:
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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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xmlSaveErrMemory(const char *extra)
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{
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__xmlSimpleError(XML_FROM_OUTPUT, XML_ERR_NO_MEMORY, NULL, NULL, extra);
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}
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/**
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* xmlSaveErr:
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* @code: the error number
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* @node: the location of the error.
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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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xmlSaveErr(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_SAVE_NOT_UTF8:
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msg = "string is not in UTF-8\n";
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break;
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case XML_SAVE_CHAR_INVALID:
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msg = "invalid character value\n";
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break;
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case XML_SAVE_UNKNOWN_ENCODING:
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msg = "unknown encoding %s\n";
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break;
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case XML_SAVE_NO_DOCTYPE:
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msg = "document has no DOCTYPE\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_OUTPUT, code, node, msg, extra);
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}
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/************************************************************************
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* *
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* Special escaping routines *
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* *
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************************************************************************/
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static unsigned char *
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xmlSerializeHexCharRef(unsigned char *out, int val) {
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unsigned char *ptr;
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*out++ = '&';
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*out++ = '#';
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*out++ = 'x';
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if (val < 0x10) ptr = out;
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else if (val < 0x100) ptr = out + 1;
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else if (val < 0x1000) ptr = out + 2;
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else if (val < 0x10000) ptr = out + 3;
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else if (val < 0x100000) ptr = out + 4;
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else ptr = out + 5;
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out = ptr + 1;
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while (val > 0) {
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switch (val & 0xF) {
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case 0: *ptr-- = '0'; break;
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case 1: *ptr-- = '1'; break;
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case 2: *ptr-- = '2'; break;
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case 3: *ptr-- = '3'; break;
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case 4: *ptr-- = '4'; break;
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case 5: *ptr-- = '5'; break;
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case 6: *ptr-- = '6'; break;
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case 7: *ptr-- = '7'; break;
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case 8: *ptr-- = '8'; break;
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case 9: *ptr-- = '9'; break;
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case 0xA: *ptr-- = 'A'; break;
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case 0xB: *ptr-- = 'B'; break;
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case 0xC: *ptr-- = 'C'; break;
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case 0xD: *ptr-- = 'D'; break;
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case 0xE: *ptr-- = 'E'; break;
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case 0xF: *ptr-- = 'F'; break;
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default: *ptr-- = '0'; break;
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}
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val >>= 4;
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}
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*out++ = ';';
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*out = 0;
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return(out);
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}
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/**
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* xmlEscapeEntities:
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* @out: a pointer to an array of bytes to store the result
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* @outlen: the length of @out
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* @in: a pointer to an array of unescaped UTF-8 bytes
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* @inlen: the length of @in
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*
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* Take a block of UTF-8 chars in and escape them. Used when there is no
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* encoding specified.
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*
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* Returns 0 if success, or -1 otherwise
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* The value of @inlen after return is the number of octets consumed
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* if the return value is positive, else unpredictable.
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* The value of @outlen after return is the number of octets consumed.
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*/
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static int
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xmlEscapeEntities(unsigned char* out, int *outlen,
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const xmlChar* in, int *inlen) {
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unsigned char* outstart = out;
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const unsigned char* base = in;
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unsigned char* outend = out + *outlen;
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const unsigned char* inend;
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int val;
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inend = in + (*inlen);
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while ((in < inend) && (out < outend)) {
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if (*in == '<') {
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if (outend - out < 4) break;
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*out++ = '&';
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*out++ = 'l';
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*out++ = 't';
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*out++ = ';';
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in++;
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continue;
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} else if (*in == '>') {
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if (outend - out < 4) break;
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*out++ = '&';
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*out++ = 'g';
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*out++ = 't';
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*out++ = ';';
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in++;
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continue;
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} else if (*in == '&') {
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if (outend - out < 5) break;
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*out++ = '&';
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*out++ = 'a';
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*out++ = 'm';
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*out++ = 'p';
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*out++ = ';';
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in++;
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continue;
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} else if (((*in >= 0x20) && (*in < 0x80)) ||
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(*in == '\n') || (*in == '\t')) {
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/*
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* default case, just copy !
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*/
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*out++ = *in++;
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continue;
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} else if (*in >= 0x80) {
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/*
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* We assume we have UTF-8 input.
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*/
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if (outend - out < 11) break;
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if (*in < 0xC0) {
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xmlSaveErr(XML_SAVE_NOT_UTF8, NULL, NULL);
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in++;
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goto error;
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} else if (*in < 0xE0) {
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if (inend - in < 2) break;
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val = (in[0]) & 0x1F;
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val <<= 6;
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val |= (in[1]) & 0x3F;
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in += 2;
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} else if (*in < 0xF0) {
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if (inend - in < 3) break;
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val = (in[0]) & 0x0F;
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val <<= 6;
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val |= (in[1]) & 0x3F;
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val <<= 6;
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val |= (in[2]) & 0x3F;
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in += 3;
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} else if (*in < 0xF8) {
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if (inend - in < 4) break;
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val = (in[0]) & 0x07;
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val <<= 6;
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val |= (in[1]) & 0x3F;
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val <<= 6;
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val |= (in[2]) & 0x3F;
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val <<= 6;
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val |= (in[3]) & 0x3F;
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in += 4;
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} else {
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xmlSaveErr(XML_SAVE_CHAR_INVALID, NULL, NULL);
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in++;
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goto error;
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}
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if (!IS_CHAR(val)) {
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xmlSaveErr(XML_SAVE_CHAR_INVALID, NULL, NULL);
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in++;
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goto error;
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}
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/*
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* We could do multiple things here. Just save as a char ref
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*/
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out = xmlSerializeHexCharRef(out, val);
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} else if (IS_BYTE_CHAR(*in)) {
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if (outend - out < 6) break;
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out = xmlSerializeHexCharRef(out, *in++);
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} else {
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xmlGenericError(xmlGenericErrorContext,
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"xmlEscapeEntities : char out of range\n");
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in++;
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goto error;
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}
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}
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*outlen = out - outstart;
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*inlen = in - base;
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return(0);
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error:
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*outlen = out - outstart;
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*inlen = in - base;
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return(-1);
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}
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/************************************************************************
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* *
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* Allocation and deallocation *
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* *
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************************************************************************/
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/**
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* xmlSaveCtxtInit:
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* @ctxt: the saving context
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*
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* Initialize a saving context
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*/
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static void
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xmlSaveCtxtInit(xmlSaveCtxtPtr ctxt)
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{
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int i;
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int len;
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if (ctxt == NULL) return;
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if ((ctxt->encoding == NULL) && (ctxt->escape == NULL))
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ctxt->escape = xmlEscapeEntities;
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len = xmlStrlen((xmlChar *)xmlTreeIndentString);
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if ((xmlTreeIndentString == NULL) || (len == 0)) {
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memset(&ctxt->indent[0], 0, MAX_INDENT + 1);
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} else {
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ctxt->indent_size = len;
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ctxt->indent_nr = MAX_INDENT / ctxt->indent_size;
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for (i = 0;i < ctxt->indent_nr;i++)
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memcpy(&ctxt->indent[i * ctxt->indent_size], xmlTreeIndentString,
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ctxt->indent_size);
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ctxt->indent[ctxt->indent_nr * ctxt->indent_size] = 0;
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}
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if (xmlSaveNoEmptyTags) {
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ctxt->options |= XML_SAVE_NO_EMPTY;
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}
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}
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/**
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* xmlFreeSaveCtxt:
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*
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* Free a saving context, destroying the output in any remaining buffer
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*/
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static void
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xmlFreeSaveCtxt(xmlSaveCtxtPtr ctxt)
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{
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if (ctxt == NULL) return;
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if (ctxt->encoding != NULL)
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xmlFree((char *) ctxt->encoding);
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if (ctxt->buf != NULL)
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xmlOutputBufferClose(ctxt->buf);
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xmlFree(ctxt);
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}
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/**
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* xmlNewSaveCtxt:
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*
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* Create a new saving context
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*
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* Returns the new structure or NULL in case of error
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*/
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static xmlSaveCtxtPtr
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xmlNewSaveCtxt(const char *encoding, int options)
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{
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xmlSaveCtxtPtr ret;
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ret = (xmlSaveCtxtPtr) xmlMalloc(sizeof(xmlSaveCtxt));
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if (ret == NULL) {
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xmlSaveErrMemory("creating saving context");
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return ( NULL );
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}
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memset(ret, 0, sizeof(xmlSaveCtxt));
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if (encoding != NULL) {
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ret->handler = xmlFindCharEncodingHandler(encoding);
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if (ret->handler == NULL) {
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xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
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xmlFreeSaveCtxt(ret);
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return(NULL);
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}
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ret->encoding = xmlStrdup((const xmlChar *)encoding);
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ret->escape = NULL;
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}
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xmlSaveCtxtInit(ret);
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/*
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* Use the options
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*/
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/* Re-check this option as it may already have been set */
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if ((ret->options & XML_SAVE_NO_EMPTY) && ! (options & XML_SAVE_NO_EMPTY)) {
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options |= XML_SAVE_NO_EMPTY;
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}
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ret->options = options;
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if (options & XML_SAVE_FORMAT)
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ret->format = 1;
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else if (options & XML_SAVE_WSNONSIG)
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ret->format = 2;
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return(ret);
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}
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/************************************************************************
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* *
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* Dumping XML tree content to a simple buffer *
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* *
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************************************************************************/
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/**
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* xmlAttrSerializeContent:
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* @buf: the XML buffer output
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* @doc: the document
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* @attr: the attribute pointer
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*
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* Serialize the attribute in the buffer
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*/
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static void
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xmlAttrSerializeContent(xmlOutputBufferPtr buf, xmlAttrPtr attr)
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{
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xmlNodePtr children;
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children = attr->children;
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while (children != NULL) {
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switch (children->type) {
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case XML_TEXT_NODE:
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xmlBufAttrSerializeTxtContent(buf->buffer, attr->doc,
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attr, children->content);
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break;
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case XML_ENTITY_REF_NODE:
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xmlBufAdd(buf->buffer, BAD_CAST "&", 1);
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xmlBufAdd(buf->buffer, children->name,
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xmlStrlen(children->name));
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xmlBufAdd(buf->buffer, BAD_CAST ";", 1);
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break;
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default:
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/* should not happen unless we have a badly built tree */
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break;
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}
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children = children->next;
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}
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}
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/**
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* xmlBufDumpNotationTable:
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* @buf: an xmlBufPtr output
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* @table: A notation table
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*
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* This will dump the content of the notation table as an XML DTD definition
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*/
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static void
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xmlBufDumpNotationTable(xmlBufPtr buf, xmlNotationTablePtr table) {
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xmlBufferPtr buffer;
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buffer = xmlBufferCreate();
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if (buffer == NULL) {
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/*
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* TODO set the error in buf
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*/
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return;
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}
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xmlBufferSetAllocationScheme(buffer, XML_BUFFER_ALLOC_DOUBLEIT);
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xmlDumpNotationTable(buffer, table);
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xmlBufMergeBuffer(buf, buffer);
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}
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|
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/**
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* xmlBufDumpElementDecl:
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* @buf: an xmlBufPtr output
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* @elem: An element table
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*
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* This will dump the content of the element declaration as an XML
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* DTD definition
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*/
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static void
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xmlBufDumpElementDecl(xmlBufPtr buf, xmlElementPtr elem) {
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xmlBufferPtr buffer;
|
|
|
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buffer = xmlBufferCreate();
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if (buffer == NULL) {
|
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/*
|
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* TODO set the error in buf
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*/
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return;
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}
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xmlBufferSetAllocationScheme(buffer, XML_BUFFER_ALLOC_DOUBLEIT);
|
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xmlDumpElementDecl(buffer, elem);
|
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xmlBufMergeBuffer(buf, buffer);
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}
|
|
|
|
/**
|
|
* xmlBufDumpAttributeDecl:
|
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* @buf: an xmlBufPtr output
|
|
* @attr: An attribute declaration
|
|
*
|
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* This will dump the content of the attribute declaration as an XML
|
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* DTD definition
|
|
*/
|
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static void
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xmlBufDumpAttributeDecl(xmlBufPtr buf, xmlAttributePtr attr) {
|
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xmlBufferPtr buffer;
|
|
|
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buffer = xmlBufferCreate();
|
|
if (buffer == NULL) {
|
|
/*
|
|
* TODO set the error in buf
|
|
*/
|
|
return;
|
|
}
|
|
xmlBufferSetAllocationScheme(buffer, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
xmlDumpAttributeDecl(buffer, attr);
|
|
xmlBufMergeBuffer(buf, buffer);
|
|
}
|
|
|
|
/**
|
|
* xmlBufDumpEntityDecl:
|
|
* @buf: an xmlBufPtr output
|
|
* @ent: An entity table
|
|
*
|
|
* This will dump the content of the entity table as an XML DTD definition
|
|
*/
|
|
static void
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|
xmlBufDumpEntityDecl(xmlBufPtr buf, xmlEntityPtr ent) {
|
|
xmlBufferPtr buffer;
|
|
|
|
buffer = xmlBufferCreate();
|
|
if (buffer == NULL) {
|
|
/*
|
|
* TODO set the error in buf
|
|
*/
|
|
return;
|
|
}
|
|
xmlBufferSetAllocationScheme(buffer, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
xmlDumpEntityDecl(buffer, ent);
|
|
xmlBufMergeBuffer(buf, buffer);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Dumping XML tree content to an I/O output buffer *
|
|
* *
|
|
************************************************************************/
|
|
|
|
static int xmlSaveSwitchEncoding(xmlSaveCtxtPtr ctxt, const char *encoding) {
|
|
xmlOutputBufferPtr buf = ctxt->buf;
|
|
|
|
if ((encoding != NULL) && (buf->encoder == NULL) && (buf->conv == NULL)) {
|
|
buf->encoder = xmlFindCharEncodingHandler((const char *)encoding);
|
|
if (buf->encoder == NULL) {
|
|
xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL,
|
|
(const char *)encoding);
|
|
return(-1);
|
|
}
|
|
buf->conv = xmlBufCreate();
|
|
if (buf->conv == NULL) {
|
|
xmlCharEncCloseFunc(buf->encoder);
|
|
xmlSaveErrMemory("creating encoding buffer");
|
|
return(-1);
|
|
}
|
|
/*
|
|
* initialize the state, e.g. if outputting a BOM
|
|
*/
|
|
xmlCharEncOutput(buf, 1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static int xmlSaveClearEncoding(xmlSaveCtxtPtr ctxt) {
|
|
xmlOutputBufferPtr buf = ctxt->buf;
|
|
xmlOutputBufferFlush(buf);
|
|
xmlCharEncCloseFunc(buf->encoder);
|
|
xmlBufFree(buf->conv);
|
|
buf->encoder = NULL;
|
|
buf->conv = NULL;
|
|
return(0);
|
|
}
|
|
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
static void
|
|
xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
|
|
#endif
|
|
static void xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
|
|
static int xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur);
|
|
|
|
/**
|
|
* xmlOutputBufferWriteWSNonSig:
|
|
* @ctxt: The save context
|
|
* @extra: Number of extra indents to apply to ctxt->level
|
|
*
|
|
* Write out formatting for non-significant whitespace output.
|
|
*/
|
|
static void
|
|
xmlOutputBufferWriteWSNonSig(xmlSaveCtxtPtr ctxt, int extra)
|
|
{
|
|
int i;
|
|
if ((ctxt == NULL) || (ctxt->buf == NULL))
|
|
return;
|
|
xmlOutputBufferWrite(ctxt->buf, 1, "\n");
|
|
for (i = 0; i < (ctxt->level + extra); i += ctxt->indent_nr) {
|
|
xmlOutputBufferWrite(ctxt->buf, ctxt->indent_size *
|
|
((ctxt->level + extra - i) > ctxt->indent_nr ?
|
|
ctxt->indent_nr : (ctxt->level + extra - i)),
|
|
ctxt->indent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlNsDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @cur: a namespace
|
|
* @ctxt: the output save context. Optional.
|
|
*
|
|
* Dump a local Namespace definition.
|
|
* Should be called in the context of attributes dumps.
|
|
* If @ctxt is supplied, @buf should be its buffer.
|
|
*/
|
|
static void
|
|
xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur, xmlSaveCtxtPtr ctxt) {
|
|
if ((cur == NULL) || (buf == NULL)) return;
|
|
if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) {
|
|
if (xmlStrEqual(cur->prefix, BAD_CAST "xml"))
|
|
return;
|
|
|
|
if (ctxt != NULL && ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 2);
|
|
else
|
|
xmlOutputBufferWrite(buf, 1, " ");
|
|
|
|
/* Within the context of an element attributes */
|
|
if (cur->prefix != NULL) {
|
|
xmlOutputBufferWrite(buf, 6, "xmlns:");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->prefix);
|
|
} else
|
|
xmlOutputBufferWrite(buf, 5, "xmlns");
|
|
xmlOutputBufferWrite(buf, 1, "=");
|
|
xmlBufWriteQuotedString(buf->buffer, cur->href);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlNsDumpOutputCtxt
|
|
* @ctxt: the save context
|
|
* @cur: a namespace
|
|
*
|
|
* Dump a local Namespace definition to a save context.
|
|
* Should be called in the context of attribute dumps.
|
|
*/
|
|
static void
|
|
xmlNsDumpOutputCtxt(xmlSaveCtxtPtr ctxt, xmlNsPtr cur) {
|
|
xmlNsDumpOutput(ctxt->buf, cur, ctxt);
|
|
}
|
|
|
|
/**
|
|
* xmlNsListDumpOutputCtxt
|
|
* @ctxt: the save context
|
|
* @cur: the first namespace
|
|
*
|
|
* Dump a list of local namespace definitions to a save context.
|
|
* Should be called in the context of attribute dumps.
|
|
*/
|
|
static void
|
|
xmlNsListDumpOutputCtxt(xmlSaveCtxtPtr ctxt, xmlNsPtr cur) {
|
|
while (cur != NULL) {
|
|
xmlNsDumpOutput(ctxt->buf, cur, ctxt);
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlNsListDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @cur: the first namespace
|
|
*
|
|
* Dump a list of local Namespace definitions.
|
|
* Should be called in the context of attributes dumps.
|
|
*/
|
|
void
|
|
xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) {
|
|
while (cur != NULL) {
|
|
xmlNsDumpOutput(buf, cur, NULL);
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlDtdDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @dtd: the pointer to the DTD
|
|
*
|
|
* Dump the XML document DTD, if any.
|
|
*/
|
|
static void
|
|
xmlDtdDumpOutput(xmlSaveCtxtPtr ctxt, xmlDtdPtr dtd) {
|
|
xmlOutputBufferPtr buf;
|
|
xmlNodePtr cur;
|
|
int format, level;
|
|
|
|
if (dtd == NULL) return;
|
|
if ((ctxt == NULL) || (ctxt->buf == NULL))
|
|
return;
|
|
buf = ctxt->buf;
|
|
xmlOutputBufferWrite(buf, 10, "<!DOCTYPE ");
|
|
xmlOutputBufferWriteString(buf, (const char *)dtd->name);
|
|
if (dtd->ExternalID != NULL) {
|
|
xmlOutputBufferWrite(buf, 8, " PUBLIC ");
|
|
xmlBufWriteQuotedString(buf->buffer, dtd->ExternalID);
|
|
xmlOutputBufferWrite(buf, 1, " ");
|
|
xmlBufWriteQuotedString(buf->buffer, dtd->SystemID);
|
|
} else if (dtd->SystemID != NULL) {
|
|
xmlOutputBufferWrite(buf, 8, " SYSTEM ");
|
|
xmlBufWriteQuotedString(buf->buffer, dtd->SystemID);
|
|
}
|
|
if ((dtd->entities == NULL) && (dtd->elements == NULL) &&
|
|
(dtd->attributes == NULL) && (dtd->notations == NULL) &&
|
|
(dtd->pentities == NULL)) {
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
return;
|
|
}
|
|
xmlOutputBufferWrite(buf, 3, " [\n");
|
|
/*
|
|
* Dump the notations first they are not in the DTD children list
|
|
* Do this only on a standalone DTD or on the internal subset though.
|
|
*/
|
|
if ((dtd->notations != NULL) && ((dtd->doc == NULL) ||
|
|
(dtd->doc->intSubset == dtd))) {
|
|
xmlBufDumpNotationTable(buf->buffer,
|
|
(xmlNotationTablePtr) dtd->notations);
|
|
}
|
|
format = ctxt->format;
|
|
level = ctxt->level;
|
|
ctxt->format = 0;
|
|
ctxt->level = -1;
|
|
for (cur = dtd->children; cur != NULL; cur = cur->next) {
|
|
xmlNodeDumpOutputInternal(ctxt, cur);
|
|
}
|
|
ctxt->format = format;
|
|
ctxt->level = level;
|
|
xmlOutputBufferWrite(buf, 2, "]>");
|
|
}
|
|
|
|
/**
|
|
* xmlAttrDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @cur: the attribute pointer
|
|
*
|
|
* Dump an XML attribute
|
|
*/
|
|
static void
|
|
xmlAttrDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
|
|
xmlOutputBufferPtr buf;
|
|
|
|
if (cur == NULL) return;
|
|
buf = ctxt->buf;
|
|
if (buf == NULL) return;
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 2);
|
|
else
|
|
xmlOutputBufferWrite(buf, 1, " ");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 2, "=\"");
|
|
xmlAttrSerializeContent(buf, cur);
|
|
xmlOutputBufferWrite(buf, 1, "\"");
|
|
}
|
|
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
/**
|
|
* htmlNodeDumpOutputInternal:
|
|
* @cur: the current node
|
|
*
|
|
* Dump an HTML node, recursive behaviour, children are printed too.
|
|
*/
|
|
static int
|
|
htmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
|
|
const xmlChar *oldenc = NULL;
|
|
const xmlChar *oldctxtenc = ctxt->encoding;
|
|
const xmlChar *encoding = ctxt->encoding;
|
|
xmlOutputBufferPtr buf = ctxt->buf;
|
|
int switched_encoding = 0;
|
|
xmlDocPtr doc;
|
|
|
|
xmlInitParser();
|
|
|
|
doc = cur->doc;
|
|
if (doc != NULL) {
|
|
oldenc = doc->encoding;
|
|
if (ctxt->encoding != NULL) {
|
|
doc->encoding = BAD_CAST ctxt->encoding;
|
|
} else if (doc->encoding != NULL) {
|
|
encoding = doc->encoding;
|
|
}
|
|
}
|
|
|
|
if ((encoding != NULL) && (doc != NULL))
|
|
htmlSetMetaEncoding(doc, (const xmlChar *) encoding);
|
|
if ((encoding == NULL) && (doc != NULL))
|
|
encoding = htmlGetMetaEncoding(doc);
|
|
if (encoding == NULL)
|
|
encoding = BAD_CAST "HTML";
|
|
if ((encoding != NULL) && (oldctxtenc == NULL) &&
|
|
(buf->encoder == NULL) && (buf->conv == NULL)) {
|
|
if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
|
|
doc->encoding = oldenc;
|
|
return(-1);
|
|
}
|
|
switched_encoding = 1;
|
|
}
|
|
if (ctxt->options & XML_SAVE_FORMAT)
|
|
htmlNodeDumpFormatOutput(buf, doc, cur,
|
|
(const char *)encoding, 1);
|
|
else
|
|
htmlNodeDumpFormatOutput(buf, doc, cur,
|
|
(const char *)encoding, 0);
|
|
/*
|
|
* Restore the state of the saving context at the end of the document
|
|
*/
|
|
if ((switched_encoding) && (oldctxtenc == NULL)) {
|
|
xmlSaveClearEncoding(ctxt);
|
|
}
|
|
if (doc != NULL)
|
|
doc->encoding = oldenc;
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* xmlNodeDumpOutputInternal:
|
|
* @cur: the current node
|
|
*
|
|
* Dump an XML node, recursive behaviour, children are printed too.
|
|
*/
|
|
static void
|
|
xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
|
|
int format = ctxt->format;
|
|
xmlNodePtr tmp, root, unformattedNode = NULL, parent;
|
|
xmlAttrPtr attr;
|
|
xmlChar *start, *end;
|
|
xmlOutputBufferPtr buf;
|
|
|
|
if (cur == NULL) return;
|
|
buf = ctxt->buf;
|
|
|
|
root = cur;
|
|
parent = cur->parent;
|
|
while (1) {
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
xmlDocContentDumpOutput(ctxt, (xmlDocPtr) cur);
|
|
break;
|
|
|
|
case XML_DTD_NODE:
|
|
xmlDtdDumpOutput(ctxt, (xmlDtdPtr) cur);
|
|
break;
|
|
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
/* Always validate cur->parent when descending. */
|
|
if ((cur->parent == parent) && (cur->children != NULL)) {
|
|
parent = cur;
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
case XML_ELEMENT_DECL:
|
|
xmlBufDumpElementDecl(buf->buffer, (xmlElementPtr) cur);
|
|
break;
|
|
|
|
case XML_ATTRIBUTE_DECL:
|
|
xmlBufDumpAttributeDecl(buf->buffer, (xmlAttributePtr) cur);
|
|
break;
|
|
|
|
case XML_ENTITY_DECL:
|
|
xmlBufDumpEntityDecl(buf->buffer, (xmlEntityPtr) cur);
|
|
break;
|
|
|
|
case XML_ELEMENT_NODE:
|
|
if ((cur != root) && (ctxt->format == 1) &&
|
|
(xmlIndentTreeOutput))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
/*
|
|
* Some users like lxml are known to pass nodes with a corrupted
|
|
* tree structure. Fall back to a recursive call to handle this
|
|
* case.
|
|
*/
|
|
if ((cur->parent != parent) && (cur->children != NULL)) {
|
|
xmlNodeDumpOutputInternal(ctxt, cur);
|
|
break;
|
|
}
|
|
|
|
xmlOutputBufferWrite(buf, 1, "<");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (cur->nsDef)
|
|
xmlNsListDumpOutputCtxt(ctxt, cur->nsDef);
|
|
for (attr = cur->properties; attr != NULL; attr = attr->next)
|
|
xmlAttrDumpOutput(ctxt, attr);
|
|
|
|
if (cur->children == NULL) {
|
|
if ((ctxt->options & XML_SAVE_NO_EMPTY) == 0) {
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 0);
|
|
xmlOutputBufferWrite(buf, 2, "/>");
|
|
} else {
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 1);
|
|
xmlOutputBufferWrite(buf, 3, "></");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 0);
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
}
|
|
} else {
|
|
if (ctxt->format == 1) {
|
|
tmp = cur->children;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_TEXT_NODE) ||
|
|
(tmp->type == XML_CDATA_SECTION_NODE) ||
|
|
(tmp->type == XML_ENTITY_REF_NODE)) {
|
|
ctxt->format = 0;
|
|
unformattedNode = cur;
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 1);
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
if (ctxt->format == 1) xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (ctxt->level >= 0) ctxt->level++;
|
|
parent = cur;
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
|
|
case XML_TEXT_NODE:
|
|
if (cur->content == NULL)
|
|
break;
|
|
if (cur->name != xmlStringTextNoenc) {
|
|
xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
|
|
} else {
|
|
/*
|
|
* Disable escaping, needed for XSLT
|
|
*/
|
|
xmlOutputBufferWriteString(buf, (const char *) cur->content);
|
|
}
|
|
break;
|
|
|
|
case XML_PI_NODE:
|
|
if ((cur != root) && (ctxt->format == 1) && (xmlIndentTreeOutput))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
if (cur->content != NULL) {
|
|
xmlOutputBufferWrite(buf, 2, "<?");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (cur->content != NULL) {
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 0);
|
|
else
|
|
xmlOutputBufferWrite(buf, 1, " ");
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->content);
|
|
}
|
|
xmlOutputBufferWrite(buf, 2, "?>");
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 2, "<?");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 0);
|
|
xmlOutputBufferWrite(buf, 2, "?>");
|
|
}
|
|
break;
|
|
|
|
case XML_COMMENT_NODE:
|
|
if ((cur != root) && (ctxt->format == 1) && (xmlIndentTreeOutput))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
if (cur->content != NULL) {
|
|
xmlOutputBufferWrite(buf, 4, "<!--");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->content);
|
|
xmlOutputBufferWrite(buf, 3, "-->");
|
|
}
|
|
break;
|
|
|
|
case XML_ENTITY_REF_NODE:
|
|
xmlOutputBufferWrite(buf, 1, "&");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 1, ";");
|
|
break;
|
|
|
|
case XML_CDATA_SECTION_NODE:
|
|
if (cur->content == NULL || *cur->content == '\0') {
|
|
xmlOutputBufferWrite(buf, 12, "<![CDATA[]]>");
|
|
} else {
|
|
start = end = cur->content;
|
|
while (*end != '\0') {
|
|
if ((*end == ']') && (*(end + 1) == ']') &&
|
|
(*(end + 2) == '>')) {
|
|
end = end + 2;
|
|
xmlOutputBufferWrite(buf, 9, "<![CDATA[");
|
|
xmlOutputBufferWrite(buf, end - start,
|
|
(const char *)start);
|
|
xmlOutputBufferWrite(buf, 3, "]]>");
|
|
start = end;
|
|
}
|
|
end++;
|
|
}
|
|
if (start != end) {
|
|
xmlOutputBufferWrite(buf, 9, "<![CDATA[");
|
|
xmlOutputBufferWriteString(buf, (const char *)start);
|
|
xmlOutputBufferWrite(buf, 3, "]]>");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case XML_ATTRIBUTE_NODE:
|
|
xmlAttrDumpOutput(ctxt, (xmlAttrPtr) cur);
|
|
break;
|
|
|
|
case XML_NAMESPACE_DECL:
|
|
xmlNsDumpOutputCtxt(ctxt, (xmlNsPtr) cur);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
while (1) {
|
|
if (cur == root)
|
|
return;
|
|
if ((ctxt->format == 1) &&
|
|
(cur->type != XML_XINCLUDE_START) &&
|
|
(cur->type != XML_XINCLUDE_END))
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
break;
|
|
}
|
|
|
|
cur = parent;
|
|
/* cur->parent was validated when descending. */
|
|
parent = cur->parent;
|
|
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (ctxt->level > 0) ctxt->level--;
|
|
if ((xmlIndentTreeOutput) && (ctxt->format == 1))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
xmlOutputBufferWrite(buf, 2, "</");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (ctxt->format == 2)
|
|
xmlOutputBufferWriteWSNonSig(ctxt, 0);
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
|
|
if (cur == unformattedNode) {
|
|
ctxt->format = format;
|
|
unformattedNode = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xmlDocContentDumpOutput:
|
|
* @cur: the document
|
|
*
|
|
* Dump an XML document.
|
|
*/
|
|
static int
|
|
xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur) {
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
xmlDtdPtr dtd;
|
|
int is_xhtml = 0;
|
|
#endif
|
|
const xmlChar *oldenc = cur->encoding;
|
|
const xmlChar *oldctxtenc = ctxt->encoding;
|
|
const xmlChar *encoding = ctxt->encoding;
|
|
xmlCharEncodingOutputFunc oldescape = ctxt->escape;
|
|
xmlCharEncodingOutputFunc oldescapeAttr = ctxt->escapeAttr;
|
|
xmlOutputBufferPtr buf = ctxt->buf;
|
|
xmlCharEncoding enc;
|
|
int switched_encoding = 0;
|
|
|
|
xmlInitParser();
|
|
|
|
if ((cur->type != XML_HTML_DOCUMENT_NODE) &&
|
|
(cur->type != XML_DOCUMENT_NODE))
|
|
return(-1);
|
|
|
|
if (ctxt->encoding != NULL) {
|
|
cur->encoding = BAD_CAST ctxt->encoding;
|
|
} else if (cur->encoding != NULL) {
|
|
encoding = cur->encoding;
|
|
}
|
|
|
|
if (((cur->type == XML_HTML_DOCUMENT_NODE) &&
|
|
((ctxt->options & XML_SAVE_AS_XML) == 0) &&
|
|
((ctxt->options & XML_SAVE_XHTML) == 0)) ||
|
|
(ctxt->options & XML_SAVE_AS_HTML)) {
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
if (encoding != NULL)
|
|
htmlSetMetaEncoding(cur, (const xmlChar *) encoding);
|
|
if (encoding == NULL)
|
|
encoding = htmlGetMetaEncoding(cur);
|
|
if (encoding == NULL)
|
|
encoding = BAD_CAST "HTML";
|
|
if ((encoding != NULL) && (oldctxtenc == NULL) &&
|
|
(buf->encoder == NULL) && (buf->conv == NULL)) {
|
|
if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
|
|
cur->encoding = oldenc;
|
|
return(-1);
|
|
}
|
|
}
|
|
if (ctxt->options & XML_SAVE_FORMAT)
|
|
htmlDocContentDumpFormatOutput(buf, cur,
|
|
(const char *)encoding, 1);
|
|
else
|
|
htmlDocContentDumpFormatOutput(buf, cur,
|
|
(const char *)encoding, 0);
|
|
if (ctxt->encoding != NULL)
|
|
cur->encoding = oldenc;
|
|
return(0);
|
|
#else
|
|
return(-1);
|
|
#endif
|
|
} else if ((cur->type == XML_DOCUMENT_NODE) ||
|
|
(ctxt->options & XML_SAVE_AS_XML) ||
|
|
(ctxt->options & XML_SAVE_XHTML)) {
|
|
enc = xmlParseCharEncoding((const char*) encoding);
|
|
if ((encoding != NULL) && (oldctxtenc == NULL) &&
|
|
(buf->encoder == NULL) && (buf->conv == NULL) &&
|
|
((ctxt->options & XML_SAVE_NO_DECL) == 0)) {
|
|
if ((enc != XML_CHAR_ENCODING_UTF8) &&
|
|
(enc != XML_CHAR_ENCODING_NONE) &&
|
|
(enc != XML_CHAR_ENCODING_ASCII)) {
|
|
/*
|
|
* we need to switch to this encoding but just for this
|
|
* document since we output the XMLDecl the conversion
|
|
* must be done to not generate not well formed documents.
|
|
*/
|
|
if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
|
|
cur->encoding = oldenc;
|
|
return(-1);
|
|
}
|
|
switched_encoding = 1;
|
|
}
|
|
if (ctxt->escape == xmlEscapeEntities)
|
|
ctxt->escape = NULL;
|
|
if (ctxt->escapeAttr == xmlEscapeEntities)
|
|
ctxt->escapeAttr = NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Save the XML declaration
|
|
*/
|
|
if ((ctxt->options & XML_SAVE_NO_DECL) == 0) {
|
|
xmlOutputBufferWrite(buf, 14, "<?xml version=");
|
|
if (cur->version != NULL)
|
|
xmlBufWriteQuotedString(buf->buffer, cur->version);
|
|
else
|
|
xmlOutputBufferWrite(buf, 5, "\"1.0\"");
|
|
if (encoding != NULL) {
|
|
xmlOutputBufferWrite(buf, 10, " encoding=");
|
|
xmlBufWriteQuotedString(buf->buffer, (xmlChar *) encoding);
|
|
}
|
|
switch (cur->standalone) {
|
|
case 0:
|
|
xmlOutputBufferWrite(buf, 16, " standalone=\"no\"");
|
|
break;
|
|
case 1:
|
|
xmlOutputBufferWrite(buf, 17, " standalone=\"yes\"");
|
|
break;
|
|
}
|
|
xmlOutputBufferWrite(buf, 3, "?>\n");
|
|
}
|
|
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
if (ctxt->options & XML_SAVE_XHTML)
|
|
is_xhtml = 1;
|
|
if ((ctxt->options & XML_SAVE_NO_XHTML) == 0) {
|
|
dtd = xmlGetIntSubset(cur);
|
|
if (dtd != NULL) {
|
|
is_xhtml = xmlIsXHTML(dtd->SystemID, dtd->ExternalID);
|
|
if (is_xhtml < 0) is_xhtml = 0;
|
|
}
|
|
}
|
|
#endif
|
|
if (cur->children != NULL) {
|
|
xmlNodePtr child = cur->children;
|
|
|
|
while (child != NULL) {
|
|
ctxt->level = 0;
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
if (is_xhtml)
|
|
xhtmlNodeDumpOutput(ctxt, child);
|
|
else
|
|
#endif
|
|
xmlNodeDumpOutputInternal(ctxt, child);
|
|
if ((child->type != XML_XINCLUDE_START) &&
|
|
(child->type != XML_XINCLUDE_END))
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
child = child->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Restore the state of the saving context at the end of the document
|
|
*/
|
|
if ((switched_encoding) && (oldctxtenc == NULL)) {
|
|
xmlSaveClearEncoding(ctxt);
|
|
ctxt->escape = oldescape;
|
|
ctxt->escapeAttr = oldescapeAttr;
|
|
}
|
|
cur->encoding = oldenc;
|
|
return(0);
|
|
}
|
|
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
/************************************************************************
|
|
* *
|
|
* Functions specific to XHTML serialization *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xhtmlIsEmpty:
|
|
* @node: the node
|
|
*
|
|
* Check if a node is an empty xhtml node
|
|
*
|
|
* Returns 1 if the node is an empty node, 0 if not and -1 in case of error
|
|
*/
|
|
static int
|
|
xhtmlIsEmpty(xmlNodePtr node) {
|
|
if (node == NULL)
|
|
return(-1);
|
|
if (node->type != XML_ELEMENT_NODE)
|
|
return(0);
|
|
if ((node->ns != NULL) && (!xmlStrEqual(node->ns->href, XHTML_NS_NAME)))
|
|
return(0);
|
|
if (node->children != NULL)
|
|
return(0);
|
|
switch (node->name[0]) {
|
|
case 'a':
|
|
if (xmlStrEqual(node->name, BAD_CAST "area"))
|
|
return(1);
|
|
return(0);
|
|
case 'b':
|
|
if (xmlStrEqual(node->name, BAD_CAST "br"))
|
|
return(1);
|
|
if (xmlStrEqual(node->name, BAD_CAST "base"))
|
|
return(1);
|
|
if (xmlStrEqual(node->name, BAD_CAST "basefont"))
|
|
return(1);
|
|
return(0);
|
|
case 'c':
|
|
if (xmlStrEqual(node->name, BAD_CAST "col"))
|
|
return(1);
|
|
return(0);
|
|
case 'f':
|
|
if (xmlStrEqual(node->name, BAD_CAST "frame"))
|
|
return(1);
|
|
return(0);
|
|
case 'h':
|
|
if (xmlStrEqual(node->name, BAD_CAST "hr"))
|
|
return(1);
|
|
return(0);
|
|
case 'i':
|
|
if (xmlStrEqual(node->name, BAD_CAST "img"))
|
|
return(1);
|
|
if (xmlStrEqual(node->name, BAD_CAST "input"))
|
|
return(1);
|
|
if (xmlStrEqual(node->name, BAD_CAST "isindex"))
|
|
return(1);
|
|
return(0);
|
|
case 'l':
|
|
if (xmlStrEqual(node->name, BAD_CAST "link"))
|
|
return(1);
|
|
return(0);
|
|
case 'm':
|
|
if (xmlStrEqual(node->name, BAD_CAST "meta"))
|
|
return(1);
|
|
return(0);
|
|
case 'p':
|
|
if (xmlStrEqual(node->name, BAD_CAST "param"))
|
|
return(1);
|
|
return(0);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xhtmlAttrListDumpOutput:
|
|
* @cur: the first attribute pointer
|
|
*
|
|
* Dump a list of XML attributes
|
|
*/
|
|
static void
|
|
xhtmlAttrListDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
|
|
xmlAttrPtr xml_lang = NULL;
|
|
xmlAttrPtr lang = NULL;
|
|
xmlAttrPtr name = NULL;
|
|
xmlAttrPtr id = NULL;
|
|
xmlNodePtr parent;
|
|
xmlOutputBufferPtr buf;
|
|
|
|
if (cur == NULL) return;
|
|
buf = ctxt->buf;
|
|
parent = cur->parent;
|
|
while (cur != NULL) {
|
|
if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "id")))
|
|
id = cur;
|
|
else
|
|
if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "name")))
|
|
name = cur;
|
|
else
|
|
if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "lang")))
|
|
lang = cur;
|
|
else
|
|
if ((cur->ns != NULL) && (xmlStrEqual(cur->name, BAD_CAST "lang")) &&
|
|
(xmlStrEqual(cur->ns->prefix, BAD_CAST "xml")))
|
|
xml_lang = cur;
|
|
else if ((cur->ns == NULL) &&
|
|
((cur->children == NULL) ||
|
|
(cur->children->content == NULL) ||
|
|
(cur->children->content[0] == 0)) &&
|
|
(htmlIsBooleanAttr(cur->name))) {
|
|
if (cur->children != NULL)
|
|
xmlFreeNode(cur->children);
|
|
cur->children = xmlNewDocText(cur->doc, cur->name);
|
|
if (cur->children != NULL)
|
|
cur->children->parent = (xmlNodePtr) cur;
|
|
}
|
|
xmlAttrDumpOutput(ctxt, cur);
|
|
cur = cur->next;
|
|
}
|
|
/*
|
|
* C.8
|
|
*/
|
|
if ((name != NULL) && (id == NULL)) {
|
|
if ((parent != NULL) && (parent->name != NULL) &&
|
|
((xmlStrEqual(parent->name, BAD_CAST "a")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "p")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "div")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "img")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "map")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "applet")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "form")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "frame")) ||
|
|
(xmlStrEqual(parent->name, BAD_CAST "iframe")))) {
|
|
xmlOutputBufferWrite(buf, 5, " id=\"");
|
|
xmlAttrSerializeContent(buf, name);
|
|
xmlOutputBufferWrite(buf, 1, "\"");
|
|
}
|
|
}
|
|
/*
|
|
* C.7.
|
|
*/
|
|
if ((lang != NULL) && (xml_lang == NULL)) {
|
|
xmlOutputBufferWrite(buf, 11, " xml:lang=\"");
|
|
xmlAttrSerializeContent(buf, lang);
|
|
xmlOutputBufferWrite(buf, 1, "\"");
|
|
} else
|
|
if ((xml_lang != NULL) && (lang == NULL)) {
|
|
xmlOutputBufferWrite(buf, 7, " lang=\"");
|
|
xmlAttrSerializeContent(buf, xml_lang);
|
|
xmlOutputBufferWrite(buf, 1, "\"");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xhtmlNodeDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @doc: the XHTML document
|
|
* @cur: the current node
|
|
* @level: the imbrication level for indenting
|
|
* @format: is formatting allowed
|
|
* @encoding: an optional encoding string
|
|
*
|
|
* Dump an XHTML node, recursive behaviour, children are printed too.
|
|
*/
|
|
static void
|
|
xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
|
|
int format = ctxt->format, addmeta;
|
|
xmlNodePtr tmp, root, unformattedNode = NULL;
|
|
xmlChar *start, *end;
|
|
xmlOutputBufferPtr buf = ctxt->buf;
|
|
|
|
if (cur == NULL) return;
|
|
|
|
root = cur;
|
|
while (1) {
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
xmlDocContentDumpOutput(ctxt, (xmlDocPtr) cur);
|
|
break;
|
|
|
|
case XML_NAMESPACE_DECL:
|
|
xmlNsDumpOutputCtxt(ctxt, (xmlNsPtr) cur);
|
|
break;
|
|
|
|
case XML_DTD_NODE:
|
|
xmlDtdDumpOutput(ctxt, (xmlDtdPtr) cur);
|
|
break;
|
|
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
if (cur->children) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
case XML_ELEMENT_DECL:
|
|
xmlBufDumpElementDecl(buf->buffer, (xmlElementPtr) cur);
|
|
break;
|
|
|
|
case XML_ATTRIBUTE_DECL:
|
|
xmlBufDumpAttributeDecl(buf->buffer, (xmlAttributePtr) cur);
|
|
break;
|
|
|
|
case XML_ENTITY_DECL:
|
|
xmlBufDumpEntityDecl(buf->buffer, (xmlEntityPtr) cur);
|
|
break;
|
|
|
|
case XML_ELEMENT_NODE:
|
|
addmeta = 0;
|
|
|
|
if ((cur != root) && (ctxt->format == 1) && (xmlIndentTreeOutput))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
xmlOutputBufferWrite(buf, 1, "<");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (cur->nsDef)
|
|
xmlNsListDumpOutputCtxt(ctxt, cur->nsDef);
|
|
if ((xmlStrEqual(cur->name, BAD_CAST "html") &&
|
|
(cur->ns == NULL) && (cur->nsDef == NULL))) {
|
|
/*
|
|
* 3.1.1. Strictly Conforming Documents A.3.1.1 3/
|
|
*/
|
|
xmlOutputBufferWriteString(buf,
|
|
" xmlns=\"http://www.w3.org/1999/xhtml\"");
|
|
}
|
|
if (cur->properties != NULL)
|
|
xhtmlAttrListDumpOutput(ctxt, cur->properties);
|
|
|
|
if ((cur->parent != NULL) &&
|
|
(cur->parent->parent == (xmlNodePtr) cur->doc) &&
|
|
xmlStrEqual(cur->name, BAD_CAST"head") &&
|
|
xmlStrEqual(cur->parent->name, BAD_CAST"html")) {
|
|
|
|
tmp = cur->children;
|
|
while (tmp != NULL) {
|
|
if (xmlStrEqual(tmp->name, BAD_CAST"meta")) {
|
|
xmlChar *httpequiv;
|
|
|
|
httpequiv = xmlGetProp(tmp, BAD_CAST"http-equiv");
|
|
if (httpequiv != NULL) {
|
|
if (xmlStrcasecmp(httpequiv,
|
|
BAD_CAST"Content-Type") == 0) {
|
|
xmlFree(httpequiv);
|
|
break;
|
|
}
|
|
xmlFree(httpequiv);
|
|
}
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
if (tmp == NULL)
|
|
addmeta = 1;
|
|
}
|
|
|
|
if (cur->children == NULL) {
|
|
if (((cur->ns == NULL) || (cur->ns->prefix == NULL)) &&
|
|
((xhtmlIsEmpty(cur) == 1) && (addmeta == 0))) {
|
|
/*
|
|
* C.2. Empty Elements
|
|
*/
|
|
xmlOutputBufferWrite(buf, 3, " />");
|
|
} else {
|
|
if (addmeta == 1) {
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
if (ctxt->format == 1) {
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (xmlIndentTreeOutput)
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level + 1 > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level + 1),
|
|
ctxt->indent);
|
|
}
|
|
xmlOutputBufferWriteString(buf,
|
|
"<meta http-equiv=\"Content-Type\" "
|
|
"content=\"text/html; charset=");
|
|
if (ctxt->encoding) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)ctxt->encoding);
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 5, "UTF-8");
|
|
}
|
|
xmlOutputBufferWrite(buf, 4, "\" />");
|
|
if (ctxt->format == 1)
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
}
|
|
/*
|
|
* C.3. Element Minimization and Empty Element Content
|
|
*/
|
|
xmlOutputBufferWrite(buf, 2, "</");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
}
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
if (addmeta == 1) {
|
|
if (ctxt->format == 1) {
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (xmlIndentTreeOutput)
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level + 1 > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level + 1),
|
|
ctxt->indent);
|
|
}
|
|
xmlOutputBufferWriteString(buf,
|
|
"<meta http-equiv=\"Content-Type\" "
|
|
"content=\"text/html; charset=");
|
|
if (ctxt->encoding) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)ctxt->encoding);
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 5, "UTF-8");
|
|
}
|
|
xmlOutputBufferWrite(buf, 4, "\" />");
|
|
}
|
|
|
|
if (ctxt->format == 1) {
|
|
tmp = cur->children;
|
|
while (tmp != NULL) {
|
|
if ((tmp->type == XML_TEXT_NODE) ||
|
|
(tmp->type == XML_ENTITY_REF_NODE)) {
|
|
unformattedNode = cur;
|
|
ctxt->format = 0;
|
|
break;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
|
|
if (ctxt->format == 1) xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (ctxt->level >= 0) ctxt->level++;
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
|
|
case XML_TEXT_NODE:
|
|
if (cur->content == NULL)
|
|
break;
|
|
if ((cur->name == xmlStringText) ||
|
|
(cur->name != xmlStringTextNoenc)) {
|
|
xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
|
|
} else {
|
|
/*
|
|
* Disable escaping, needed for XSLT
|
|
*/
|
|
xmlOutputBufferWriteString(buf, (const char *) cur->content);
|
|
}
|
|
break;
|
|
|
|
case XML_PI_NODE:
|
|
if (cur->content != NULL) {
|
|
xmlOutputBufferWrite(buf, 2, "<?");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
if (cur->content != NULL) {
|
|
xmlOutputBufferWrite(buf, 1, " ");
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->content);
|
|
}
|
|
xmlOutputBufferWrite(buf, 2, "?>");
|
|
} else {
|
|
xmlOutputBufferWrite(buf, 2, "<?");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 2, "?>");
|
|
}
|
|
break;
|
|
|
|
case XML_COMMENT_NODE:
|
|
if (cur->content != NULL) {
|
|
xmlOutputBufferWrite(buf, 4, "<!--");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->content);
|
|
xmlOutputBufferWrite(buf, 3, "-->");
|
|
}
|
|
break;
|
|
|
|
case XML_ENTITY_REF_NODE:
|
|
xmlOutputBufferWrite(buf, 1, "&");
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 1, ";");
|
|
break;
|
|
|
|
case XML_CDATA_SECTION_NODE:
|
|
if (cur->content == NULL || *cur->content == '\0') {
|
|
xmlOutputBufferWrite(buf, 12, "<![CDATA[]]>");
|
|
} else {
|
|
start = end = cur->content;
|
|
while (*end != '\0') {
|
|
if (*end == ']' && *(end + 1) == ']' &&
|
|
*(end + 2) == '>') {
|
|
end = end + 2;
|
|
xmlOutputBufferWrite(buf, 9, "<![CDATA[");
|
|
xmlOutputBufferWrite(buf, end - start,
|
|
(const char *)start);
|
|
xmlOutputBufferWrite(buf, 3, "]]>");
|
|
start = end;
|
|
}
|
|
end++;
|
|
}
|
|
if (start != end) {
|
|
xmlOutputBufferWrite(buf, 9, "<![CDATA[");
|
|
xmlOutputBufferWriteString(buf, (const char *)start);
|
|
xmlOutputBufferWrite(buf, 3, "]]>");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case XML_ATTRIBUTE_NODE:
|
|
xmlAttrDumpOutput(ctxt, (xmlAttrPtr) cur);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
while (1) {
|
|
if (cur == root)
|
|
return;
|
|
if (ctxt->format == 1)
|
|
xmlOutputBufferWrite(buf, 1, "\n");
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* The parent should never be NULL here but we want to handle
|
|
* corrupted documents gracefully.
|
|
*/
|
|
if (cur->parent == NULL)
|
|
return;
|
|
cur = cur->parent;
|
|
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
if (ctxt->level > 0) ctxt->level--;
|
|
if ((xmlIndentTreeOutput) && (ctxt->format == 1))
|
|
xmlOutputBufferWrite(buf, ctxt->indent_size *
|
|
(ctxt->level > ctxt->indent_nr ?
|
|
ctxt->indent_nr : ctxt->level),
|
|
ctxt->indent);
|
|
|
|
xmlOutputBufferWrite(buf, 2, "</");
|
|
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
|
|
xmlOutputBufferWriteString(buf,
|
|
(const char *)cur->ns->prefix);
|
|
xmlOutputBufferWrite(buf, 1, ":");
|
|
}
|
|
|
|
xmlOutputBufferWriteString(buf, (const char *)cur->name);
|
|
xmlOutputBufferWrite(buf, 1, ">");
|
|
|
|
if (cur == unformattedNode) {
|
|
ctxt->format = format;
|
|
unformattedNode = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Public entry points *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlSaveToFd:
|
|
* @fd: a file descriptor number
|
|
* @encoding: the encoding name to use or NULL
|
|
* @options: a set of xmlSaveOptions
|
|
*
|
|
* Create a document saving context serializing to a file descriptor
|
|
* with the encoding and the options given.
|
|
*
|
|
* Returns a new serialization context or NULL in case of error.
|
|
*/
|
|
xmlSaveCtxtPtr
|
|
xmlSaveToFd(int fd, const char *encoding, int options)
|
|
{
|
|
xmlSaveCtxtPtr ret;
|
|
|
|
ret = xmlNewSaveCtxt(encoding, options);
|
|
if (ret == NULL) return(NULL);
|
|
ret->buf = xmlOutputBufferCreateFd(fd, ret->handler);
|
|
if (ret->buf == NULL) {
|
|
xmlCharEncCloseFunc(ret->handler);
|
|
xmlFreeSaveCtxt(ret);
|
|
return(NULL);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveToFilename:
|
|
* @filename: a file name or an URL
|
|
* @encoding: the encoding name to use or NULL
|
|
* @options: a set of xmlSaveOptions
|
|
*
|
|
* Create a document saving context serializing to a filename or possibly
|
|
* to an URL (but this is less reliable) with the encoding and the options
|
|
* given.
|
|
*
|
|
* Returns a new serialization context or NULL in case of error.
|
|
*/
|
|
xmlSaveCtxtPtr
|
|
xmlSaveToFilename(const char *filename, const char *encoding, int options)
|
|
{
|
|
xmlSaveCtxtPtr ret;
|
|
int compression = 0; /* TODO handle compression option */
|
|
|
|
ret = xmlNewSaveCtxt(encoding, options);
|
|
if (ret == NULL) return(NULL);
|
|
ret->buf = xmlOutputBufferCreateFilename(filename, ret->handler,
|
|
compression);
|
|
if (ret->buf == NULL) {
|
|
xmlCharEncCloseFunc(ret->handler);
|
|
xmlFreeSaveCtxt(ret);
|
|
return(NULL);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveToBuffer:
|
|
* @buffer: a buffer
|
|
* @encoding: the encoding name to use or NULL
|
|
* @options: a set of xmlSaveOptions
|
|
*
|
|
* Create a document saving context serializing to a buffer
|
|
* with the encoding and the options given
|
|
*
|
|
* Returns a new serialization context or NULL in case of error.
|
|
*/
|
|
|
|
xmlSaveCtxtPtr
|
|
xmlSaveToBuffer(xmlBufferPtr buffer, const char *encoding, int options)
|
|
{
|
|
xmlSaveCtxtPtr ret;
|
|
|
|
ret = xmlNewSaveCtxt(encoding, options);
|
|
if (ret == NULL) return(NULL);
|
|
ret->buf = xmlOutputBufferCreateBuffer(buffer, ret->handler);
|
|
if (ret->buf == NULL) {
|
|
xmlCharEncCloseFunc(ret->handler);
|
|
xmlFreeSaveCtxt(ret);
|
|
return(NULL);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveToIO:
|
|
* @iowrite: an I/O write function
|
|
* @ioclose: an I/O close function
|
|
* @ioctx: an I/O handler
|
|
* @encoding: the encoding name to use or NULL
|
|
* @options: a set of xmlSaveOptions
|
|
*
|
|
* Create a document saving context serializing to a file descriptor
|
|
* with the encoding and the options given
|
|
*
|
|
* Returns a new serialization context or NULL in case of error.
|
|
*/
|
|
xmlSaveCtxtPtr
|
|
xmlSaveToIO(xmlOutputWriteCallback iowrite,
|
|
xmlOutputCloseCallback ioclose,
|
|
void *ioctx, const char *encoding, int options)
|
|
{
|
|
xmlSaveCtxtPtr ret;
|
|
|
|
ret = xmlNewSaveCtxt(encoding, options);
|
|
if (ret == NULL) return(NULL);
|
|
ret->buf = xmlOutputBufferCreateIO(iowrite, ioclose, ioctx, ret->handler);
|
|
if (ret->buf == NULL) {
|
|
xmlCharEncCloseFunc(ret->handler);
|
|
xmlFreeSaveCtxt(ret);
|
|
return(NULL);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveDoc:
|
|
* @ctxt: a document saving context
|
|
* @doc: a document
|
|
*
|
|
* Save a full document to a saving context
|
|
* TODO: The function is not fully implemented yet as it does not return the
|
|
* byte count but 0 instead
|
|
*
|
|
* Returns the number of byte written or -1 in case of error
|
|
*/
|
|
long
|
|
xmlSaveDoc(xmlSaveCtxtPtr ctxt, xmlDocPtr doc)
|
|
{
|
|
long ret = 0;
|
|
|
|
if ((ctxt == NULL) || (doc == NULL)) return(-1);
|
|
if (xmlDocContentDumpOutput(ctxt, doc) < 0)
|
|
return(-1);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveTree:
|
|
* @ctxt: a document saving context
|
|
* @node: the top node of the subtree to save
|
|
*
|
|
* Save a subtree starting at the node parameter to a saving context
|
|
* TODO: The function is not fully implemented yet as it does not return the
|
|
* byte count but 0 instead
|
|
*
|
|
* Returns the number of byte written or -1 in case of error
|
|
*/
|
|
long
|
|
xmlSaveTree(xmlSaveCtxtPtr ctxt, xmlNodePtr cur)
|
|
{
|
|
long ret = 0;
|
|
|
|
if ((ctxt == NULL) || (cur == NULL)) return(-1);
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
if (ctxt->options & XML_SAVE_XHTML) {
|
|
xhtmlNodeDumpOutput(ctxt, cur);
|
|
return(ret);
|
|
}
|
|
if (((cur->type != XML_NAMESPACE_DECL) && (cur->doc != NULL) &&
|
|
(cur->doc->type == XML_HTML_DOCUMENT_NODE) &&
|
|
((ctxt->options & XML_SAVE_AS_XML) == 0)) ||
|
|
(ctxt->options & XML_SAVE_AS_HTML)) {
|
|
htmlNodeDumpOutputInternal(ctxt, cur);
|
|
return(ret);
|
|
}
|
|
#endif
|
|
xmlNodeDumpOutputInternal(ctxt, cur);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFlush:
|
|
* @ctxt: a document saving context
|
|
*
|
|
* Flush a document saving context, i.e. make sure that all bytes have
|
|
* been output.
|
|
*
|
|
* Returns the number of byte written or -1 in case of error.
|
|
*/
|
|
int
|
|
xmlSaveFlush(xmlSaveCtxtPtr ctxt)
|
|
{
|
|
if (ctxt == NULL) return(-1);
|
|
if (ctxt->buf == NULL) return(-1);
|
|
return(xmlOutputBufferFlush(ctxt->buf));
|
|
}
|
|
|
|
/**
|
|
* xmlSaveClose:
|
|
* @ctxt: a document saving context
|
|
*
|
|
* Close a document saving context, i.e. make sure that all bytes have
|
|
* been output and free the associated data.
|
|
*
|
|
* Returns the number of byte written or -1 in case of error.
|
|
*/
|
|
int
|
|
xmlSaveClose(xmlSaveCtxtPtr ctxt)
|
|
{
|
|
int ret;
|
|
|
|
if (ctxt == NULL) return(-1);
|
|
ret = xmlSaveFlush(ctxt);
|
|
xmlFreeSaveCtxt(ctxt);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveSetEscape:
|
|
* @ctxt: a document saving context
|
|
* @escape: the escaping function
|
|
*
|
|
* Set a custom escaping function to be used for text in element content
|
|
*
|
|
* Returns 0 if successful or -1 in case of error.
|
|
*/
|
|
int
|
|
xmlSaveSetEscape(xmlSaveCtxtPtr ctxt, xmlCharEncodingOutputFunc escape)
|
|
{
|
|
if (ctxt == NULL) return(-1);
|
|
ctxt->escape = escape;
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveSetAttrEscape:
|
|
* @ctxt: a document saving context
|
|
* @escape: the escaping function
|
|
*
|
|
* Set a custom escaping function to be used for text in attribute content
|
|
*
|
|
* Returns 0 if successful or -1 in case of error.
|
|
*/
|
|
int
|
|
xmlSaveSetAttrEscape(xmlSaveCtxtPtr ctxt, xmlCharEncodingOutputFunc escape)
|
|
{
|
|
if (ctxt == NULL) return(-1);
|
|
ctxt->escapeAttr = escape;
|
|
return(0);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Public entry points based on buffers *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlBufAttrSerializeTxtContent:
|
|
* @buf: and xmlBufPtr output
|
|
* @doc: the document
|
|
* @attr: the attribute node
|
|
* @string: the text content
|
|
*
|
|
* Serialize text attribute values to an xmlBufPtr
|
|
*/
|
|
void
|
|
xmlBufAttrSerializeTxtContent(xmlBufPtr buf, xmlDocPtr doc,
|
|
xmlAttrPtr attr, const xmlChar * string)
|
|
{
|
|
xmlChar *base, *cur;
|
|
|
|
if (string == NULL)
|
|
return;
|
|
base = cur = (xmlChar *) string;
|
|
while (*cur != 0) {
|
|
if (*cur == '\n') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST " ", 5);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '\r') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST " ", 5);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '\t') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST "	", 4);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '"') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST """, 6);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '<') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST "<", 4);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '>') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST ">", 4);
|
|
cur++;
|
|
base = cur;
|
|
} else if (*cur == '&') {
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
xmlBufAdd(buf, BAD_CAST "&", 5);
|
|
cur++;
|
|
base = cur;
|
|
} else if ((*cur >= 0x80) && (cur[1] != 0) &&
|
|
((doc == NULL) || (doc->encoding == NULL))) {
|
|
/*
|
|
* We assume we have UTF-8 content.
|
|
*/
|
|
unsigned char tmp[12];
|
|
int val = 0, l = 1;
|
|
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
if (*cur < 0xC0) {
|
|
xmlSaveErr(XML_SAVE_NOT_UTF8, (xmlNodePtr) attr, NULL);
|
|
xmlSerializeHexCharRef(tmp, *cur);
|
|
xmlBufAdd(buf, (xmlChar *) tmp, -1);
|
|
cur++;
|
|
base = cur;
|
|
continue;
|
|
} else if (*cur < 0xE0) {
|
|
val = (cur[0]) & 0x1F;
|
|
val <<= 6;
|
|
val |= (cur[1]) & 0x3F;
|
|
l = 2;
|
|
} else if ((*cur < 0xF0) && (cur [2] != 0)) {
|
|
val = (cur[0]) & 0x0F;
|
|
val <<= 6;
|
|
val |= (cur[1]) & 0x3F;
|
|
val <<= 6;
|
|
val |= (cur[2]) & 0x3F;
|
|
l = 3;
|
|
} else if ((*cur < 0xF8) && (cur [2] != 0) && (cur[3] != 0)) {
|
|
val = (cur[0]) & 0x07;
|
|
val <<= 6;
|
|
val |= (cur[1]) & 0x3F;
|
|
val <<= 6;
|
|
val |= (cur[2]) & 0x3F;
|
|
val <<= 6;
|
|
val |= (cur[3]) & 0x3F;
|
|
l = 4;
|
|
}
|
|
if ((l == 1) || (!IS_CHAR(val))) {
|
|
xmlSaveErr(XML_SAVE_CHAR_INVALID, (xmlNodePtr) attr, NULL);
|
|
xmlSerializeHexCharRef(tmp, *cur);
|
|
xmlBufAdd(buf, (xmlChar *) tmp, -1);
|
|
cur++;
|
|
base = cur;
|
|
continue;
|
|
}
|
|
/*
|
|
* We could do multiple things here. Just save
|
|
* as a char ref
|
|
*/
|
|
xmlSerializeHexCharRef(tmp, val);
|
|
xmlBufAdd(buf, (xmlChar *) tmp, -1);
|
|
cur += l;
|
|
base = cur;
|
|
} else {
|
|
cur++;
|
|
}
|
|
}
|
|
if (base != cur)
|
|
xmlBufAdd(buf, base, cur - base);
|
|
}
|
|
|
|
/**
|
|
* xmlAttrSerializeTxtContent:
|
|
* @buf: the XML buffer output
|
|
* @doc: the document
|
|
* @attr: the attribute node
|
|
* @string: the text content
|
|
*
|
|
* Serialize text attribute values to an xml simple buffer
|
|
*/
|
|
void
|
|
xmlAttrSerializeTxtContent(xmlBufferPtr buf, xmlDocPtr doc,
|
|
xmlAttrPtr attr, const xmlChar * string)
|
|
{
|
|
xmlBufPtr buffer;
|
|
|
|
if ((buf == NULL) || (string == NULL))
|
|
return;
|
|
buffer = xmlBufFromBuffer(buf);
|
|
if (buffer == NULL)
|
|
return;
|
|
xmlBufAttrSerializeTxtContent(buffer, doc, attr, string);
|
|
xmlBufBackToBuffer(buffer);
|
|
}
|
|
|
|
/**
|
|
* xmlNodeDump:
|
|
* @buf: the XML buffer output
|
|
* @doc: the document
|
|
* @cur: the current node
|
|
* @level: the imbrication level for indenting
|
|
* @format: is formatting allowed
|
|
*
|
|
* Dump an XML node, recursive behaviour,children are printed too.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called.
|
|
* Since this is using xmlBuffer structures it is limited to 2GB and somehow
|
|
* deprecated, use xmlNodeDumpOutput() instead.
|
|
*
|
|
* Returns the number of bytes written to the buffer or -1 in case of error
|
|
*/
|
|
int
|
|
xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
|
|
int format)
|
|
{
|
|
xmlBufPtr buffer;
|
|
size_t ret;
|
|
|
|
if ((buf == NULL) || (cur == NULL))
|
|
return(-1);
|
|
buffer = xmlBufFromBuffer(buf);
|
|
if (buffer == NULL)
|
|
return(-1);
|
|
ret = xmlBufNodeDump(buffer, doc, cur, level, format);
|
|
xmlBufBackToBuffer(buffer);
|
|
if (ret > INT_MAX)
|
|
return(-1);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlBufNodeDump:
|
|
* @buf: the XML buffer output
|
|
* @doc: the document
|
|
* @cur: the current node
|
|
* @level: the imbrication level for indenting
|
|
* @format: is formatting allowed
|
|
*
|
|
* Dump an XML node, recursive behaviour,children are printed too.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*
|
|
* Returns the number of bytes written to the buffer, in case of error 0
|
|
* is returned or @buf stores the error
|
|
*/
|
|
|
|
size_t
|
|
xmlBufNodeDump(xmlBufPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
|
|
int format)
|
|
{
|
|
size_t use;
|
|
int ret;
|
|
xmlOutputBufferPtr outbuf;
|
|
int oldalloc;
|
|
|
|
xmlInitParser();
|
|
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeDump : node == NULL\n");
|
|
#endif
|
|
return (-1);
|
|
}
|
|
if (buf == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlNodeDump : buf == NULL\n");
|
|
#endif
|
|
return (-1);
|
|
}
|
|
outbuf = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer));
|
|
if (outbuf == NULL) {
|
|
xmlSaveErrMemory("creating buffer");
|
|
return (-1);
|
|
}
|
|
memset(outbuf, 0, (size_t) sizeof(xmlOutputBuffer));
|
|
outbuf->buffer = buf;
|
|
outbuf->encoder = NULL;
|
|
outbuf->writecallback = NULL;
|
|
outbuf->closecallback = NULL;
|
|
outbuf->context = NULL;
|
|
outbuf->written = 0;
|
|
|
|
use = xmlBufUse(buf);
|
|
oldalloc = xmlBufGetAllocationScheme(buf);
|
|
xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_DOUBLEIT);
|
|
xmlNodeDumpOutput(outbuf, doc, cur, level, format, NULL);
|
|
xmlBufSetAllocationScheme(buf, oldalloc);
|
|
xmlFree(outbuf);
|
|
ret = xmlBufUse(buf) - use;
|
|
return (ret);
|
|
}
|
|
|
|
/**
|
|
* xmlElemDump:
|
|
* @f: the FILE * for the output
|
|
* @doc: the document
|
|
* @cur: the current node
|
|
*
|
|
* Dump an XML/HTML node, recursive behaviour, children are printed too.
|
|
*/
|
|
void
|
|
xmlElemDump(FILE * f, xmlDocPtr doc, xmlNodePtr cur)
|
|
{
|
|
xmlOutputBufferPtr outbuf;
|
|
|
|
xmlInitParser();
|
|
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlElemDump : cur == NULL\n");
|
|
#endif
|
|
return;
|
|
}
|
|
#ifdef DEBUG_TREE
|
|
if (doc == NULL) {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlElemDump : doc == NULL\n");
|
|
}
|
|
#endif
|
|
|
|
outbuf = xmlOutputBufferCreateFile(f, NULL);
|
|
if (outbuf == NULL)
|
|
return;
|
|
if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) {
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
htmlNodeDumpOutput(outbuf, doc, cur, NULL);
|
|
#else
|
|
xmlSaveErr(XML_ERR_INTERNAL_ERROR, cur, "HTML support not compiled in\n");
|
|
#endif /* LIBXML_HTML_ENABLED */
|
|
} else
|
|
xmlNodeDumpOutput(outbuf, doc, cur, 0, 1, NULL);
|
|
xmlOutputBufferClose(outbuf);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Saving functions front-ends *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlNodeDumpOutput:
|
|
* @buf: the XML buffer output
|
|
* @doc: the document
|
|
* @cur: the current node
|
|
* @level: the imbrication level for indenting
|
|
* @format: is formatting allowed
|
|
* @encoding: an optional encoding string
|
|
*
|
|
* Dump an XML node, recursive behaviour, children are printed too.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*/
|
|
void
|
|
xmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur,
|
|
int level, int format, const char *encoding)
|
|
{
|
|
xmlSaveCtxt ctxt;
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
xmlDtdPtr dtd;
|
|
int is_xhtml = 0;
|
|
#endif
|
|
|
|
xmlInitParser();
|
|
|
|
if ((buf == NULL) || (cur == NULL)) return;
|
|
|
|
if (encoding == NULL)
|
|
encoding = "UTF-8";
|
|
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = buf;
|
|
ctxt.level = level;
|
|
ctxt.format = format ? 1 : 0;
|
|
ctxt.encoding = (const xmlChar *) encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
|
|
#ifdef LIBXML_HTML_ENABLED
|
|
dtd = xmlGetIntSubset(doc);
|
|
if (dtd != NULL) {
|
|
is_xhtml = xmlIsXHTML(dtd->SystemID, dtd->ExternalID);
|
|
if (is_xhtml < 0)
|
|
is_xhtml = 0;
|
|
}
|
|
|
|
if (is_xhtml)
|
|
xhtmlNodeDumpOutput(&ctxt, cur);
|
|
else
|
|
#endif
|
|
xmlNodeDumpOutputInternal(&ctxt, cur);
|
|
}
|
|
|
|
/**
|
|
* xmlDocDumpFormatMemoryEnc:
|
|
* @out_doc: Document to generate XML text from
|
|
* @doc_txt_ptr: Memory pointer for allocated XML text
|
|
* @doc_txt_len: Length of the generated XML text
|
|
* @txt_encoding: Character encoding to use when generating XML text
|
|
* @format: should formatting spaces been added
|
|
*
|
|
* Dump the current DOM tree into memory using the character encoding specified
|
|
* by the caller. Note it is up to the caller of this function to free the
|
|
* allocated memory with xmlFree().
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*/
|
|
|
|
void
|
|
xmlDocDumpFormatMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr,
|
|
int * doc_txt_len, const char * txt_encoding,
|
|
int format) {
|
|
xmlSaveCtxt ctxt;
|
|
int dummy = 0;
|
|
xmlOutputBufferPtr out_buff = NULL;
|
|
xmlCharEncodingHandlerPtr conv_hdlr = NULL;
|
|
|
|
if (doc_txt_len == NULL) {
|
|
doc_txt_len = &dummy; /* Continue, caller just won't get length */
|
|
}
|
|
|
|
if (doc_txt_ptr == NULL) {
|
|
*doc_txt_len = 0;
|
|
return;
|
|
}
|
|
|
|
*doc_txt_ptr = NULL;
|
|
*doc_txt_len = 0;
|
|
|
|
if (out_doc == NULL) {
|
|
/* No document, no output */
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Validate the encoding value, if provided.
|
|
* This logic is copied from xmlSaveFileEnc.
|
|
*/
|
|
|
|
if (txt_encoding == NULL)
|
|
txt_encoding = (const char *) out_doc->encoding;
|
|
if (txt_encoding != NULL) {
|
|
conv_hdlr = xmlFindCharEncodingHandler(txt_encoding);
|
|
if ( conv_hdlr == NULL ) {
|
|
xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, (xmlNodePtr) out_doc,
|
|
txt_encoding);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((out_buff = xmlAllocOutputBuffer(conv_hdlr)) == NULL ) {
|
|
xmlSaveErrMemory("creating buffer");
|
|
xmlCharEncCloseFunc(conv_hdlr);
|
|
return;
|
|
}
|
|
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = out_buff;
|
|
ctxt.level = 0;
|
|
ctxt.format = format ? 1 : 0;
|
|
ctxt.encoding = (const xmlChar *) txt_encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
xmlDocContentDumpOutput(&ctxt, out_doc);
|
|
xmlOutputBufferFlush(out_buff);
|
|
if (out_buff->conv != NULL) {
|
|
*doc_txt_len = xmlBufUse(out_buff->conv);
|
|
*doc_txt_ptr = xmlStrndup(xmlBufContent(out_buff->conv), *doc_txt_len);
|
|
} else {
|
|
*doc_txt_len = xmlBufUse(out_buff->buffer);
|
|
*doc_txt_ptr = xmlStrndup(xmlBufContent(out_buff->buffer),*doc_txt_len);
|
|
}
|
|
(void)xmlOutputBufferClose(out_buff);
|
|
|
|
if ((*doc_txt_ptr == NULL) && (*doc_txt_len > 0)) {
|
|
*doc_txt_len = 0;
|
|
xmlSaveErrMemory("creating output");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* xmlDocDumpMemory:
|
|
* @cur: the document
|
|
* @mem: OUT: the memory pointer
|
|
* @size: OUT: the memory length
|
|
*
|
|
* Dump an XML document in memory and return the #xmlChar * and it's size
|
|
* in bytes. It's up to the caller to free the memory with xmlFree().
|
|
* The resulting byte array is zero terminated, though the last 0 is not
|
|
* included in the returned size.
|
|
*/
|
|
void
|
|
xmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) {
|
|
xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, 0);
|
|
}
|
|
|
|
/**
|
|
* xmlDocDumpFormatMemory:
|
|
* @cur: the document
|
|
* @mem: OUT: the memory pointer
|
|
* @size: OUT: the memory length
|
|
* @format: should formatting spaces been added
|
|
*
|
|
*
|
|
* Dump an XML document in memory and return the #xmlChar * and it's size.
|
|
* It's up to the caller to free the memory with xmlFree().
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*/
|
|
void
|
|
xmlDocDumpFormatMemory(xmlDocPtr cur, xmlChar**mem, int *size, int format) {
|
|
xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, format);
|
|
}
|
|
|
|
/**
|
|
* xmlDocDumpMemoryEnc:
|
|
* @out_doc: Document to generate XML text from
|
|
* @doc_txt_ptr: Memory pointer for allocated XML text
|
|
* @doc_txt_len: Length of the generated XML text
|
|
* @txt_encoding: Character encoding to use when generating XML text
|
|
*
|
|
* Dump the current DOM tree into memory using the character encoding specified
|
|
* by the caller. Note it is up to the caller of this function to free the
|
|
* allocated memory with xmlFree().
|
|
*/
|
|
|
|
void
|
|
xmlDocDumpMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr,
|
|
int * doc_txt_len, const char * txt_encoding) {
|
|
xmlDocDumpFormatMemoryEnc(out_doc, doc_txt_ptr, doc_txt_len,
|
|
txt_encoding, 0);
|
|
}
|
|
|
|
/**
|
|
* xmlDocFormatDump:
|
|
* @f: the FILE*
|
|
* @cur: the document
|
|
* @format: should formatting spaces been added
|
|
*
|
|
* Dump an XML document to an open FILE.
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*/
|
|
int
|
|
xmlDocFormatDump(FILE *f, xmlDocPtr cur, int format) {
|
|
xmlSaveCtxt ctxt;
|
|
xmlOutputBufferPtr buf;
|
|
const char * encoding;
|
|
xmlCharEncodingHandlerPtr handler = NULL;
|
|
int ret;
|
|
|
|
if (cur == NULL) {
|
|
#ifdef DEBUG_TREE
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xmlDocDump : document == NULL\n");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
encoding = (const char *) cur->encoding;
|
|
|
|
if (encoding != NULL) {
|
|
handler = xmlFindCharEncodingHandler(encoding);
|
|
if (handler == NULL) {
|
|
xmlFree((char *) cur->encoding);
|
|
cur->encoding = NULL;
|
|
encoding = NULL;
|
|
}
|
|
}
|
|
buf = xmlOutputBufferCreateFile(f, handler);
|
|
if (buf == NULL) return(-1);
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = buf;
|
|
ctxt.level = 0;
|
|
ctxt.format = format ? 1 : 0;
|
|
ctxt.encoding = (const xmlChar *) encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
xmlDocContentDumpOutput(&ctxt, cur);
|
|
|
|
ret = xmlOutputBufferClose(buf);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlDocDump:
|
|
* @f: the FILE*
|
|
* @cur: the document
|
|
*
|
|
* Dump an XML document to an open FILE.
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlDocDump(FILE *f, xmlDocPtr cur) {
|
|
return(xmlDocFormatDump (f, cur, 0));
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFileTo:
|
|
* @buf: an output I/O buffer
|
|
* @cur: the document
|
|
* @encoding: the encoding if any assuming the I/O layer handles the transcoding
|
|
*
|
|
* Dump an XML document to an I/O buffer.
|
|
* Warning ! This call xmlOutputBufferClose() on buf which is not available
|
|
* after this call.
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlSaveFileTo(xmlOutputBufferPtr buf, xmlDocPtr cur, const char *encoding) {
|
|
xmlSaveCtxt ctxt;
|
|
int ret;
|
|
|
|
if (buf == NULL) return(-1);
|
|
if (cur == NULL) {
|
|
xmlOutputBufferClose(buf);
|
|
return(-1);
|
|
}
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = buf;
|
|
ctxt.level = 0;
|
|
ctxt.format = 0;
|
|
ctxt.encoding = (const xmlChar *) encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
xmlDocContentDumpOutput(&ctxt, cur);
|
|
ret = xmlOutputBufferClose(buf);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFormatFileTo:
|
|
* @buf: an output I/O buffer
|
|
* @cur: the document
|
|
* @encoding: the encoding if any assuming the I/O layer handles the transcoding
|
|
* @format: should formatting spaces been added
|
|
*
|
|
* Dump an XML document to an I/O buffer.
|
|
* Warning ! This call xmlOutputBufferClose() on buf which is not available
|
|
* after this call.
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlSaveFormatFileTo(xmlOutputBufferPtr buf, xmlDocPtr cur,
|
|
const char *encoding, int format)
|
|
{
|
|
xmlSaveCtxt ctxt;
|
|
int ret;
|
|
|
|
if (buf == NULL) return(-1);
|
|
if ((cur == NULL) ||
|
|
((cur->type != XML_DOCUMENT_NODE) &&
|
|
(cur->type != XML_HTML_DOCUMENT_NODE))) {
|
|
xmlOutputBufferClose(buf);
|
|
return(-1);
|
|
}
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = buf;
|
|
ctxt.level = 0;
|
|
ctxt.format = format ? 1 : 0;
|
|
ctxt.encoding = (const xmlChar *) encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
xmlDocContentDumpOutput(&ctxt, cur);
|
|
ret = xmlOutputBufferClose(buf);
|
|
return (ret);
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFormatFileEnc:
|
|
* @filename: the filename or URL to output
|
|
* @cur: the document being saved
|
|
* @encoding: the name of the encoding to use or NULL.
|
|
* @format: should formatting spaces be added.
|
|
*
|
|
* Dump an XML document to a file or an URL.
|
|
*
|
|
* Returns the number of bytes written or -1 in case of error.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*/
|
|
int
|
|
xmlSaveFormatFileEnc( const char * filename, xmlDocPtr cur,
|
|
const char * encoding, int format ) {
|
|
xmlSaveCtxt ctxt;
|
|
xmlOutputBufferPtr buf;
|
|
xmlCharEncodingHandlerPtr handler = NULL;
|
|
int ret;
|
|
|
|
if (cur == NULL)
|
|
return(-1);
|
|
|
|
if (encoding == NULL)
|
|
encoding = (const char *) cur->encoding;
|
|
|
|
if (encoding != NULL) {
|
|
|
|
handler = xmlFindCharEncodingHandler(encoding);
|
|
if (handler == NULL)
|
|
return(-1);
|
|
}
|
|
|
|
#ifdef LIBXML_ZLIB_ENABLED
|
|
if (cur->compression < 0) cur->compression = xmlGetCompressMode();
|
|
#endif
|
|
/*
|
|
* save the content to a temp buffer.
|
|
*/
|
|
buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression);
|
|
if (buf == NULL) return(-1);
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.buf = buf;
|
|
ctxt.level = 0;
|
|
ctxt.format = format ? 1 : 0;
|
|
ctxt.encoding = (const xmlChar *) encoding;
|
|
xmlSaveCtxtInit(&ctxt);
|
|
ctxt.options |= XML_SAVE_AS_XML;
|
|
|
|
xmlDocContentDumpOutput(&ctxt, cur);
|
|
|
|
ret = xmlOutputBufferClose(buf);
|
|
return(ret);
|
|
}
|
|
|
|
|
|
/**
|
|
* xmlSaveFileEnc:
|
|
* @filename: the filename (or URL)
|
|
* @cur: the document
|
|
* @encoding: the name of an encoding (or NULL)
|
|
*
|
|
* Dump an XML document, converting it to the given encoding
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlSaveFileEnc(const char *filename, xmlDocPtr cur, const char *encoding) {
|
|
return ( xmlSaveFormatFileEnc( filename, cur, encoding, 0 ) );
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFormatFile:
|
|
* @filename: the filename (or URL)
|
|
* @cur: the document
|
|
* @format: should formatting spaces been added
|
|
*
|
|
* Dump an XML document to a file. Will use compression if
|
|
* compiled in and enabled. If @filename is "-" the stdout file is
|
|
* used. If @format is set then the document will be indented on output.
|
|
* Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
|
|
* or xmlKeepBlanksDefault(0) was called
|
|
*
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
|
|
int
|
|
xmlSaveFormatFile(const char *filename, xmlDocPtr cur, int format) {
|
|
return ( xmlSaveFormatFileEnc( filename, cur, NULL, format ) );
|
|
}
|
|
|
|
/**
|
|
* xmlSaveFile:
|
|
* @filename: the filename (or URL)
|
|
* @cur: the document
|
|
*
|
|
* Dump an XML document to a file. Will use compression if
|
|
* compiled in and enabled. If @filename is "-" the stdout file is
|
|
* used.
|
|
* returns: the number of bytes written or -1 in case of failure.
|
|
*/
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|
int
|
|
xmlSaveFile(const char *filename, xmlDocPtr cur) {
|
|
return(xmlSaveFormatFileEnc(filename, cur, NULL, 0));
|
|
}
|
|
|
|
#endif /* LIBXML_OUTPUT_ENABLED */
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|
|