344 lines
9.0 KiB
C
344 lines
9.0 KiB
C
/*
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* Copyright 2007 Jacek Caban for CodeWeavers
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* Copyright 2011 Owen Rudge 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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#include "hhctrl.h"
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#include "stream.h"
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#include "resource.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
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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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heap_free(item->name);
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heap_free(item->local);
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heap_free(item->merge.chm_file);
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heap_free(item->merge.chm_index);
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item = next;
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}
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}
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static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text, UINT code_page)
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{
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const char *ptr;
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LPWSTR *param, merge;
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int len;
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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(!_strnicmp("name", ptr, len)) {
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param = &item->name;
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}else if(!_strnicmp("merge", ptr, len)) {
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param = &merge;
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}else if(!_strnicmp("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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/*
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* "merge" parameter data (referencing another CHM file) can be incorporated into the "local" parameter
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* by specifying the filename in the format:
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* MS-ITS:file.chm::/local_path.htm
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*/
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if(param == &item->local && strstr(ptr, "::"))
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{
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const char *local = strstr(ptr, "::")+2;
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int local_len = len-(local-ptr);
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item->local = decode_html(local, local_len, code_page);
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param = &merge;
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}
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*param = decode_html(ptr, len, code_page);
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if(param == &merge) {
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SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
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heap_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 = heap_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(!_strnicmp(node_name.buf, "/object", -1))
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break;
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if(!_strnicmp(node_name.buf, "param", -1))
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parse_obj_node_param(item, hhc_root, node.buf, info->pCHMInfo->codePage);
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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(!_strnicmp(node_name.buf, "object", -1)) {
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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(!_strnicmp(node_name.buf, "ul", -1)) {
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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(!_strnicmp(node_name.buf, "/ul", -1)) {
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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(!_strnicmp(node_name.buf, "ul", -1)) {
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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|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
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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.u.item.iImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
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tvis.u.item.iSelectedImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
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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 = heap_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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void ActivateContentTopic(HWND hWnd, LPCWSTR filename, ContentItem *item)
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{
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if (lstrcmpiW(item->local, filename) == 0)
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{
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SendMessageW(hWnd, TVM_SELECTITEM, TVGN_CARET, (LPARAM) item->id);
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return;
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}
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if (item->next)
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ActivateContentTopic(hWnd, filename, item->next);
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if (item->child)
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ActivateContentTopic(hWnd, filename, item->child);
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}
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