2 * Copyright 2007 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #define NONAMELESSUNION
20 #define NONAMELESSSTRUCT
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
28 #define BLOCK_SIZE 0x1000
35 static void free_content_item(ContentItem *item)
42 free_content_item(item->child);
44 heap_free(item->name);
45 heap_free(item->local);
46 heap_free(item->merge.chm_file);
47 heap_free(item->merge.chm_index);
59 static void strbuf_init(strbuf_t *buf)
63 buf->buf = heap_alloc(buf->size);
66 static void strbuf_zero(strbuf_t *buf)
71 static void strbuf_free(strbuf_t *buf)
76 static void strbuf_append(strbuf_t *buf, const char *data, int len)
78 if(buf->len+len > buf->size) {
79 buf->size = buf->len+len;
80 buf->buf = heap_realloc(buf->buf, buf->size);
83 memcpy(buf->buf+buf->len, data, len);
94 static void stream_init(stream_t *stream, IStream *str)
96 memset(stream, 0, sizeof(stream_t));
100 static BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
106 for(i=stream->p; i<stream->size; i++) {
107 if(stream->buf[i] == c) {
113 if(buf && i > stream->p)
114 strbuf_append(buf, stream->buf+stream->p, i-stream->p);
117 if(stream->p == stream->size) {
119 IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
125 return stream->size != 0;
128 static void get_node_name(strbuf_t *node, strbuf_t *name)
130 const char *ptr = node->buf+1;
134 while(*ptr != '>' && !isspace(*ptr))
137 strbuf_append(name, node->buf+1, ptr-node->buf-1);
138 strbuf_append(name, "", 1);
141 static BOOL next_node(stream_t *stream, strbuf_t *buf)
143 if(!stream_chr(stream, NULL, '<'))
146 if(!stream_chr(stream, buf, '>'))
149 strbuf_append(buf, ">", 2);
154 static const char *get_attr(const char *node, const char *name, int *len)
156 const char *ptr, *ptr2;
161 memcpy(name_buf, name, nlen);
162 name_buf[nlen++] = '=';
163 name_buf[nlen++] = '\"';
166 ptr = strstr(node, name_buf);
168 WARN("name not found\n");
173 ptr2 = strchr(ptr, '\"');
181 static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text)
184 LPWSTR *param, merge;
187 ptr = get_attr(text, "name", &len);
189 WARN("name attr not found\n");
193 if(!strncasecmp("name", ptr, len)) {
195 }else if(!strncasecmp("merge", ptr, len)) {
197 }else if(!strncasecmp("local", ptr, len)) {
198 param = &item->local;
200 WARN("unhandled param %s\n", debugstr_an(ptr, len));
204 ptr = get_attr(text, "value", &len);
206 WARN("value attr not found\n");
210 wlen = MultiByteToWideChar(CP_ACP, 0, ptr, len, NULL, 0);
211 *param = heap_alloc((wlen+1)*sizeof(WCHAR));
212 MultiByteToWideChar(CP_ACP, 0, ptr, len, *param, wlen);
215 if(param == &merge) {
216 SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
221 static ContentItem *parse_hhc(HHInfo*,IStream*,ContentItem*,insert_type_t*);
223 static ContentItem *insert_item(ContentItem *item, ContentItem *new_item, insert_type_t insert_type)
231 switch(insert_type) {
233 item->next = new_item;
237 ContentItem *iter = item->child;
240 iter->next = new_item;
242 item->child = new_item;
250 static ContentItem *parse_sitemap_object(HHInfo *info, stream_t *stream, ContentItem *hhc_root,
251 insert_type_t *insert_type)
253 strbuf_t node, node_name;
256 *insert_type = INSERT_NEXT;
259 strbuf_init(&node_name);
261 item = heap_alloc_zero(sizeof(ContentItem));
263 while(next_node(stream, &node)) {
264 get_node_name(&node, &node_name);
266 TRACE("%s\n", node.buf);
268 if(!strcasecmp(node_name.buf, "/object"))
270 if(!strcasecmp(node_name.buf, "param"))
271 parse_obj_node_param(item, hhc_root, node.buf);
277 strbuf_free(&node_name);
279 if(item->merge.chm_index) {
280 IStream *merge_stream;
282 merge_stream = GetChmStream(info->pCHMInfo, item->merge.chm_file, &item->merge);
284 item->child = parse_hhc(info, merge_stream, hhc_root, insert_type);
285 IStream_Release(merge_stream);
287 WARN("Could not get %s::%s stream\n", debugstr_w(item->merge.chm_file),
288 debugstr_w(item->merge.chm_file));
291 free_content_item(item);
301 static ContentItem *parse_ul(HHInfo *info, stream_t *stream, ContentItem *hhc_root)
303 strbuf_t node, node_name;
304 ContentItem *ret = NULL, *prev = NULL, *new_item = NULL;
308 strbuf_init(&node_name);
310 while(next_node(stream, &node)) {
311 get_node_name(&node, &node_name);
313 TRACE("%s\n", node.buf);
315 if(!strcasecmp(node_name.buf, "object")) {
319 static const char sz_text_sitemap[] = "text/sitemap";
321 ptr = get_attr(node.buf, "type", &len);
323 if(ptr && len == sizeof(sz_text_sitemap)-1
324 && !memcmp(ptr, sz_text_sitemap, len)) {
325 new_item = parse_sitemap_object(info, stream, hhc_root, &it);
326 prev = insert_item(prev, new_item, it);
330 }else if(!strcasecmp(node_name.buf, "ul")) {
331 new_item = parse_ul(info, stream, hhc_root);
332 insert_item(prev, new_item, INSERT_CHILD);
333 }else if(!strcasecmp(node_name.buf, "/ul")) {
341 strbuf_free(&node_name);
346 static ContentItem *parse_hhc(HHInfo *info, IStream *str, ContentItem *hhc_root,
347 insert_type_t *insert_type)
350 strbuf_t node, node_name;
351 ContentItem *ret = NULL, *prev = NULL;
353 *insert_type = INSERT_NEXT;
356 strbuf_init(&node_name);
358 stream_init(&stream, str);
360 while(next_node(&stream, &node)) {
361 get_node_name(&node, &node_name);
363 TRACE("%s\n", node.buf);
365 if(!strcasecmp(node_name.buf, "ul")) {
366 ContentItem *item = parse_ul(info, &stream, hhc_root);
367 prev = insert_item(prev, item, INSERT_CHILD);
370 *insert_type = INSERT_CHILD;
377 strbuf_free(&node_name);
382 static void insert_content_item(HWND hwnd, ContentItem *parent, ContentItem *item)
384 TVINSERTSTRUCTW tvis;
386 memset(&tvis, 0, sizeof(tvis));
387 tvis.u.item.mask = TVIF_TEXT|TVIF_PARAM;
388 tvis.u.item.cchTextMax = strlenW(item->name)+1;
389 tvis.u.item.pszText = item->name;
390 tvis.u.item.lParam = (LPARAM)item;
391 tvis.hParent = parent ? parent->id : 0;
392 tvis.hInsertAfter = TVI_LAST;
394 item->id = (HTREEITEM)SendMessageW(hwnd, TVM_INSERTITEMW, 0, (LPARAM)&tvis);
397 static void fill_content_tree(HWND hwnd, ContentItem *parent, ContentItem *item)
401 insert_content_item(hwnd, parent, item);
402 fill_content_tree(hwnd, item, item->child);
404 fill_content_tree(hwnd, parent, item->child);
410 static void set_item_parents(ContentItem *parent, ContentItem *item)
413 item->parent = parent;
414 set_item_parents(item, item->child);
419 void InitContent(HHInfo *info)
422 insert_type_t insert_type;
424 info->content = heap_alloc_zero(sizeof(ContentItem));
425 SetChmPath(&info->content->merge, info->pCHMInfo->szFile, info->WinType.pszToc);
427 stream = GetChmStream(info->pCHMInfo, info->pCHMInfo->szFile, &info->content->merge);
429 TRACE("Could not get content stream\n");
433 info->content->child = parse_hhc(info, stream, info->content, &insert_type);
434 IStream_Release(stream);
436 set_item_parents(NULL, info->content);
437 fill_content_tree(info->tabs[TAB_CONTENTS].hwnd, NULL, info->content);
440 void ReleaseContent(HHInfo *info)
442 free_content_item(info->content);