mfplat: Read queue subscriber within the critical section.
[wine/zf.git] / dlls / hhctrl.ocx / content.c
blob32d7d1ab98fdf8da0ac3ae5d3c408386cf744f25
1 /*
2 * Copyright 2007 Jacek Caban for CodeWeavers
3 * Copyright 2011 Owen Rudge for CodeWeavers
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #define NONAMELESSUNION
22 #include "hhctrl.h"
23 #include "stream.h"
24 #include "resource.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
30 typedef enum {
31 INSERT_NEXT,
32 INSERT_CHILD
33 } insert_type_t;
35 static void free_content_item(ContentItem *item)
37 ContentItem *next;
39 while(item) {
40 next = item->next;
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);
49 item = next;
53 static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text, UINT code_page)
55 const char *ptr;
56 LPWSTR *param, merge;
57 int len;
59 ptr = get_attr(text, "name", &len);
60 if(!ptr) {
61 WARN("name attr not found\n");
62 return;
65 if(!_strnicmp("name", ptr, len)) {
66 param = &item->name;
67 }else if(!_strnicmp("merge", ptr, len)) {
68 param = &merge;
69 }else if(!_strnicmp("local", ptr, len)) {
70 param = &item->local;
71 }else {
72 WARN("unhandled param %s\n", debugstr_an(ptr, len));
73 return;
76 ptr = get_attr(text, "value", &len);
77 if(!ptr) {
78 WARN("value attr not found\n");
79 return;
83 * "merge" parameter data (referencing another CHM file) can be incorporated into the "local" parameter
84 * by specifying the filename in the format:
85 * MS-ITS:file.chm::/local_path.htm
87 if(param == &item->local && strstr(ptr, "::"))
89 const char *local = strstr(ptr, "::")+2;
90 int local_len = len-(local-ptr);
92 item->local = decode_html(local, local_len, code_page);
93 param = &merge;
96 *param = decode_html(ptr, len, code_page);
98 if(param == &merge) {
99 SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
100 heap_free(merge);
104 static ContentItem *parse_hhc(HHInfo*,IStream*,ContentItem*,insert_type_t*);
106 static ContentItem *insert_item(ContentItem *item, ContentItem *new_item, insert_type_t insert_type)
108 if(!item)
109 return new_item;
111 if(!new_item)
112 return item;
114 switch(insert_type) {
115 case INSERT_NEXT:
116 item->next = new_item;
117 return new_item;
118 case INSERT_CHILD:
119 if(item->child) {
120 ContentItem *iter = item->child;
121 while(iter->next)
122 iter = iter->next;
123 iter->next = new_item;
124 }else {
125 item->child = new_item;
127 return item;
130 return NULL;
133 static ContentItem *parse_sitemap_object(HHInfo *info, stream_t *stream, ContentItem *hhc_root,
134 insert_type_t *insert_type)
136 strbuf_t node, node_name;
137 ContentItem *item;
139 *insert_type = INSERT_NEXT;
141 strbuf_init(&node);
142 strbuf_init(&node_name);
144 item = heap_alloc_zero(sizeof(ContentItem));
146 while(next_node(stream, &node)) {
147 get_node_name(&node, &node_name);
149 TRACE("%s\n", node.buf);
151 if(!stricmp(node_name.buf, "/object"))
152 break;
153 if(!stricmp(node_name.buf, "param"))
154 parse_obj_node_param(item, hhc_root, node.buf, info->pCHMInfo->codePage);
156 strbuf_zero(&node);
159 strbuf_free(&node);
160 strbuf_free(&node_name);
162 if(item->merge.chm_index) {
163 IStream *merge_stream;
165 merge_stream = GetChmStream(info->pCHMInfo, item->merge.chm_file, &item->merge);
166 if(merge_stream) {
167 item->child = parse_hhc(info, merge_stream, hhc_root, insert_type);
168 IStream_Release(merge_stream);
169 }else {
170 WARN("Could not get %s::%s stream\n", debugstr_w(item->merge.chm_file),
171 debugstr_w(item->merge.chm_file));
173 if(!item->name) {
174 free_content_item(item);
175 item = NULL;
181 return item;
184 static ContentItem *parse_ul(HHInfo *info, stream_t *stream, ContentItem *hhc_root)
186 strbuf_t node, node_name;
187 ContentItem *ret = NULL, *prev = NULL, *new_item = NULL;
188 insert_type_t it;
190 strbuf_init(&node);
191 strbuf_init(&node_name);
193 while(next_node(stream, &node)) {
194 get_node_name(&node, &node_name);
196 TRACE("%s\n", node.buf);
198 if(!stricmp(node_name.buf, "object")) {
199 const char *ptr;
200 int len;
202 static const char sz_text_sitemap[] = "text/sitemap";
204 ptr = get_attr(node.buf, "type", &len);
206 if(ptr && len == sizeof(sz_text_sitemap)-1
207 && !memcmp(ptr, sz_text_sitemap, len)) {
208 new_item = parse_sitemap_object(info, stream, hhc_root, &it);
209 prev = insert_item(prev, new_item, it);
210 if(!ret)
211 ret = prev;
213 }else if(!stricmp(node_name.buf, "ul")) {
214 new_item = parse_ul(info, stream, hhc_root);
215 insert_item(prev, new_item, INSERT_CHILD);
216 }else if(!stricmp(node_name.buf, "/ul")) {
217 break;
220 strbuf_zero(&node);
223 strbuf_free(&node);
224 strbuf_free(&node_name);
226 return ret;
229 static ContentItem *parse_hhc(HHInfo *info, IStream *str, ContentItem *hhc_root,
230 insert_type_t *insert_type)
232 stream_t stream;
233 strbuf_t node, node_name;
234 ContentItem *ret = NULL, *prev = NULL;
236 *insert_type = INSERT_NEXT;
238 strbuf_init(&node);
239 strbuf_init(&node_name);
241 stream_init(&stream, str);
243 while(next_node(&stream, &node)) {
244 get_node_name(&node, &node_name);
246 TRACE("%s\n", node.buf);
248 if(!stricmp(node_name.buf, "ul")) {
249 ContentItem *item = parse_ul(info, &stream, hhc_root);
250 prev = insert_item(prev, item, INSERT_CHILD);
251 if(!ret)
252 ret = prev;
253 *insert_type = INSERT_CHILD;
256 strbuf_zero(&node);
259 strbuf_free(&node);
260 strbuf_free(&node_name);
262 return ret;
265 static void insert_content_item(HWND hwnd, ContentItem *parent, ContentItem *item)
267 TVINSERTSTRUCTW tvis;
269 memset(&tvis, 0, sizeof(tvis));
270 tvis.u.item.mask = TVIF_TEXT|TVIF_PARAM|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
271 tvis.u.item.cchTextMax = lstrlenW(item->name)+1;
272 tvis.u.item.pszText = item->name;
273 tvis.u.item.lParam = (LPARAM)item;
274 tvis.u.item.iImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
275 tvis.u.item.iSelectedImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
276 tvis.hParent = parent ? parent->id : 0;
277 tvis.hInsertAfter = TVI_LAST;
279 item->id = (HTREEITEM)SendMessageW(hwnd, TVM_INSERTITEMW, 0, (LPARAM)&tvis);
282 static void fill_content_tree(HWND hwnd, ContentItem *parent, ContentItem *item)
284 while(item) {
285 if(item->name) {
286 insert_content_item(hwnd, parent, item);
287 fill_content_tree(hwnd, item, item->child);
288 }else {
289 fill_content_tree(hwnd, parent, item->child);
291 item = item->next;
295 static void set_item_parents(ContentItem *parent, ContentItem *item)
297 while(item) {
298 item->parent = parent;
299 set_item_parents(item, item->child);
300 item = item->next;
304 void InitContent(HHInfo *info)
306 IStream *stream;
307 insert_type_t insert_type;
309 info->content = heap_alloc_zero(sizeof(ContentItem));
310 SetChmPath(&info->content->merge, info->pCHMInfo->szFile, info->WinType.pszToc);
312 stream = GetChmStream(info->pCHMInfo, info->pCHMInfo->szFile, &info->content->merge);
313 if(!stream) {
314 TRACE("Could not get content stream\n");
315 return;
318 info->content->child = parse_hhc(info, stream, info->content, &insert_type);
319 IStream_Release(stream);
321 set_item_parents(NULL, info->content);
322 fill_content_tree(info->tabs[TAB_CONTENTS].hwnd, NULL, info->content);
325 void ReleaseContent(HHInfo *info)
327 free_content_item(info->content);
330 void ActivateContentTopic(HWND hWnd, LPCWSTR filename, ContentItem *item)
332 if (lstrcmpiW(item->local, filename) == 0)
334 SendMessageW(hWnd, TVM_SELECTITEM, TVGN_CARET, (LPARAM) item->id);
335 return;
338 if (item->next)
339 ActivateContentTopic(hWnd, filename, item->next);
341 if (item->child)
342 ActivateContentTopic(hWnd, filename, item->child);