mirror of
git://source.winehq.org/git/wine.git
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444 lines
10 KiB
C
444 lines
10 KiB
C
/*
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* Copyright 2007 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "hhctrl.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
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#define BLOCK_SIZE 0x1000
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typedef enum {
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INSERT_NEXT,
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INSERT_CHILD
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} insert_type_t;
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static void free_content_item(ContentItem *item)
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{
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ContentItem *next;
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while(item) {
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next = item->next;
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free_content_item(item->child);
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hhctrl_free(item->name);
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hhctrl_free(item->local);
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hhctrl_free(item->merge.chm_file);
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hhctrl_free(item->merge.chm_index);
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item = next;
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}
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}
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typedef struct {
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char *buf;
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int size;
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int len;
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} strbuf_t;
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static void strbuf_init(strbuf_t *buf)
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{
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buf->size = 8;
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buf->len = 0;
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buf->buf = hhctrl_alloc(buf->size);
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}
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static void strbuf_zero(strbuf_t *buf)
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{
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buf->len = 0;
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}
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static void strbuf_free(strbuf_t *buf)
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{
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hhctrl_free(buf->buf);
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}
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static void strbuf_append(strbuf_t *buf, const char *data, int len)
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{
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if(buf->len+len > buf->size) {
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buf->size = buf->len+len;
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buf->buf = hhctrl_realloc(buf->buf, buf->size);
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}
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memcpy(buf->buf+buf->len, data, len);
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buf->len += len;
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}
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typedef struct {
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IStream *str;
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char buf[BLOCK_SIZE];
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ULONG size;
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ULONG p;
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} stream_t;
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static void stream_init(stream_t *stream, IStream *str)
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{
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memset(stream, 0, sizeof(stream_t));
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stream->str = str;
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}
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static BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
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{
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BOOL b = TRUE;
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ULONG i;
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while(b) {
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for(i=stream->p; i<stream->size; i++) {
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if(stream->buf[i] == c) {
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b = FALSE;
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break;
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}
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}
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if(buf && i > stream->p)
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strbuf_append(buf, stream->buf+stream->p, i-stream->p);
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stream->p = i;
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if(stream->p == stream->size) {
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stream->p = 0;
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IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
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if(!stream->size)
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break;
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}
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}
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return stream->size != 0;
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}
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static void get_node_name(strbuf_t *node, strbuf_t *name)
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{
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const char *ptr = node->buf+1;
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strbuf_zero(name);
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while(*ptr != '>' && !isspace(*ptr))
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ptr++;
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strbuf_append(name, node->buf+1, ptr-node->buf-1);
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strbuf_append(name, "", 1);
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}
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static BOOL next_node(stream_t *stream, strbuf_t *buf)
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{
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if(!stream_chr(stream, NULL, '<'))
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return FALSE;
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if(!stream_chr(stream, buf, '>'))
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return FALSE;
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strbuf_append(buf, ">", 2);
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return TRUE;
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}
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static const char *get_attr(const char *node, const char *name, int *len)
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{
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const char *ptr, *ptr2;
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char name_buf[32];
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int nlen;
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nlen = strlen(name);
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memcpy(name_buf, name, nlen);
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name_buf[nlen++] = '=';
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name_buf[nlen++] = '\"';
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name_buf[nlen] = 0;
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ptr = strstr(node, name_buf);
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if(!ptr) {
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WARN("name not found\n");
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return NULL;
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}
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ptr += nlen;
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ptr2 = strchr(ptr, '\"');
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if(!ptr2)
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return NULL;
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*len = ptr2-ptr;
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return ptr;
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}
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static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text)
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{
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const char *ptr;
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LPWSTR *param, merge;
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int len, wlen;
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ptr = get_attr(text, "name", &len);
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if(!ptr) {
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WARN("name attr not found\n");
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return;
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}
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if(!strncasecmp("name", ptr, len)) {
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param = &item->name;
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}else if(!strncasecmp("merge", ptr, len)) {
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param = &merge;
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}else if(!strncasecmp("local", ptr, len)) {
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param = &item->local;
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}else {
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WARN("unhandled param %s\n", debugstr_an(ptr, len));
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return;
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}
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ptr = get_attr(text, "value", &len);
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if(!ptr) {
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WARN("value attr not found\n");
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return;
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}
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wlen = MultiByteToWideChar(CP_ACP, 0, ptr, len, NULL, 0);
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*param = hhctrl_alloc((wlen+1)*sizeof(WCHAR));
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MultiByteToWideChar(CP_ACP, 0, ptr, len, *param, wlen);
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(*param)[wlen] = 0;
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if(param == &merge) {
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SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
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hhctrl_free(merge);
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}
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}
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static ContentItem *parse_hhc(HHInfo*,IStream*,ContentItem*,insert_type_t*);
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static ContentItem *insert_item(ContentItem *item, ContentItem *new_item, insert_type_t insert_type)
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{
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if(!item)
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return new_item;
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if(!new_item)
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return item;
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switch(insert_type) {
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case INSERT_NEXT:
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item->next = new_item;
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return new_item;
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case INSERT_CHILD:
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if(item->child) {
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ContentItem *iter = item->child;
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while(iter->next)
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iter = iter->next;
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iter->next = new_item;
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}else {
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item->child = new_item;
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}
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return item;
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}
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return NULL;
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}
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static ContentItem *parse_sitemap_object(HHInfo *info, stream_t *stream, ContentItem *hhc_root,
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insert_type_t *insert_type)
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{
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strbuf_t node, node_name;
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ContentItem *item;
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*insert_type = INSERT_NEXT;
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strbuf_init(&node);
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strbuf_init(&node_name);
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item = hhctrl_alloc_zero(sizeof(ContentItem));
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while(next_node(stream, &node)) {
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get_node_name(&node, &node_name);
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TRACE("%s\n", node.buf);
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if(!strcasecmp(node_name.buf, "/object"))
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break;
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if(!strcasecmp(node_name.buf, "param"))
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parse_obj_node_param(item, hhc_root, node.buf);
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strbuf_zero(&node);
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}
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strbuf_free(&node);
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strbuf_free(&node_name);
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if(item->merge.chm_index) {
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IStream *merge_stream;
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merge_stream = GetChmStream(info->pCHMInfo, item->merge.chm_file, &item->merge);
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if(merge_stream) {
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item->child = parse_hhc(info, merge_stream, hhc_root, insert_type);
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IStream_Release(merge_stream);
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}else {
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WARN("Could not get %s::%s stream\n", debugstr_w(item->merge.chm_file),
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debugstr_w(item->merge.chm_file));
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if(!item->name) {
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free_content_item(item);
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item = NULL;
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}
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}
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}
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return item;
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}
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static ContentItem *parse_ul(HHInfo *info, stream_t *stream, ContentItem *hhc_root)
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{
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strbuf_t node, node_name;
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ContentItem *ret = NULL, *prev = NULL, *new_item = NULL;
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insert_type_t it;
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strbuf_init(&node);
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strbuf_init(&node_name);
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while(next_node(stream, &node)) {
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get_node_name(&node, &node_name);
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TRACE("%s\n", node.buf);
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if(!strcasecmp(node_name.buf, "object")) {
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const char *ptr;
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int len;
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static const char sz_text_sitemap[] = "text/sitemap";
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ptr = get_attr(node.buf, "type", &len);
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if(ptr && len == sizeof(sz_text_sitemap)-1
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&& !memcmp(ptr, sz_text_sitemap, len)) {
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new_item = parse_sitemap_object(info, stream, hhc_root, &it);
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prev = insert_item(prev, new_item, it);
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if(!ret)
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ret = prev;
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}
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}else if(!strcasecmp(node_name.buf, "ul")) {
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new_item = parse_ul(info, stream, hhc_root);
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insert_item(prev, new_item, INSERT_CHILD);
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}else if(!strcasecmp(node_name.buf, "/ul")) {
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break;
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}
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strbuf_zero(&node);
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}
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strbuf_free(&node);
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strbuf_free(&node_name);
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return ret;
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}
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static ContentItem *parse_hhc(HHInfo *info, IStream *str, ContentItem *hhc_root,
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insert_type_t *insert_type)
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{
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stream_t stream;
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strbuf_t node, node_name;
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ContentItem *ret = NULL, *prev = NULL;
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*insert_type = INSERT_NEXT;
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strbuf_init(&node);
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strbuf_init(&node_name);
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stream_init(&stream, str);
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while(next_node(&stream, &node)) {
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get_node_name(&node, &node_name);
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TRACE("%s\n", node.buf);
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if(!strcasecmp(node_name.buf, "ul")) {
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ContentItem *item = parse_ul(info, &stream, hhc_root);
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prev = insert_item(prev, item, INSERT_CHILD);
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if(!ret)
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ret = prev;
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*insert_type = INSERT_CHILD;
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}
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strbuf_zero(&node);
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}
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strbuf_free(&node);
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strbuf_free(&node_name);
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return ret;
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}
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static void insert_content_item(HWND hwnd, ContentItem *parent, ContentItem *item)
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{
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TVINSERTSTRUCTW tvis;
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memset(&tvis, 0, sizeof(tvis));
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tvis.u.item.mask = TVIF_TEXT|TVIF_PARAM;
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tvis.u.item.cchTextMax = strlenW(item->name)+1;
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tvis.u.item.pszText = item->name;
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tvis.u.item.lParam = (LPARAM)item;
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tvis.hParent = parent ? parent->id : 0;
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tvis.hInsertAfter = TVI_LAST;
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item->id = (HTREEITEM)SendMessageW(hwnd, TVM_INSERTITEMW, 0, (LPARAM)&tvis);
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}
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static void fill_content_tree(HWND hwnd, ContentItem *parent, ContentItem *item)
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{
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while(item) {
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if(item->name) {
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insert_content_item(hwnd, parent, item);
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fill_content_tree(hwnd, item, item->child);
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}else {
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fill_content_tree(hwnd, parent, item->child);
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}
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item = item->next;
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}
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}
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static void set_item_parents(ContentItem *parent, ContentItem *item)
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{
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while(item) {
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item->parent = parent;
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set_item_parents(item, item->child);
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item = item->next;
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}
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}
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void InitContent(HHInfo *info)
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{
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IStream *stream;
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insert_type_t insert_type;
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info->content = hhctrl_alloc_zero(sizeof(ContentItem));
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SetChmPath(&info->content->merge, info->pCHMInfo->szFile, info->WinType.pszToc);
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stream = GetChmStream(info->pCHMInfo, info->pCHMInfo->szFile, &info->content->merge);
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if(!stream) {
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TRACE("Could not get content stream\n");
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return;
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}
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info->content->child = parse_hhc(info, stream, info->content, &insert_type);
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IStream_Release(stream);
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set_item_parents(NULL, info->content);
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fill_content_tree(info->tabs[TAB_CONTENTS].hwnd, NULL, info->content);
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}
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void ReleaseContent(HHInfo *info)
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{
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free_content_item(info->content);
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}
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