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msi: Fix a double free.
[wine/hacks.git] / programs / winhlp32 / hlpfile.c
blobd9bdc7ec0c3381dac680544896770e36d7fd6f5a
1 /*
2 * Help Viewer
3 *
4 * Copyright 1996 Ulrich Schmid
5 * 2002, 2008 Eric Pouech
6 * 2007 Kirill K. Smirnov
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include <stdarg.h>
24 #include <stdio.h>
25 #include <string.h>
26
27 #include "windef.h"
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "winhelp.h"
32
33 #include "wine/debug.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
36
37 static inline unsigned short GET_USHORT(const BYTE* buffer, unsigned i)
38 {
39 return (BYTE)buffer[i] + 0x100 * (BYTE)buffer[i + 1];
40 }
41
42 static inline short GET_SHORT(const BYTE* buffer, unsigned i)
43 {
44 return (BYTE)buffer[i] + 0x100 * (signed char)buffer[i+1];
45 }
46
47 static inline unsigned GET_UINT(const BYTE* buffer, unsigned i)
48 {
49 return GET_USHORT(buffer, i) + 0x10000 * GET_USHORT(buffer, i + 2);
50 }
51
52 static HLPFILE *first_hlpfile = 0;
53
54
55 /**************************************************************************
56 * HLPFILE_BPTreeSearch
57 *
58 * Searches for an element in B+ tree
59 *
60 * PARAMS
61 * buf [I] pointer to the embedded file structured as a B+ tree
62 * key [I] pointer to data to find
63 * comp [I] compare function
64 *
65 * RETURNS
66 * Pointer to block identified by key, or NULL if failure.
67 *
68 */
69 static void* HLPFILE_BPTreeSearch(BYTE* buf, const void* key,
70 HLPFILE_BPTreeCompare comp)
71 {
72 unsigned magic;
73 unsigned page_size;
74 unsigned cur_page;
75 unsigned level;
76 BYTE *pages, *ptr, *newptr;
77 int i, entries;
78 int ret;
79
80 magic = GET_USHORT(buf, 9);
81 if (magic != 0x293B)
82 {
83 WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
84 return NULL;
85 }
86 page_size = GET_USHORT(buf, 9+4);
87 cur_page = GET_USHORT(buf, 9+26);
88 level = GET_USHORT(buf, 9+32);
89 pages = buf + 9 + 38;
90 while (--level > 0)
91 {
92 ptr = pages + cur_page*page_size;
93 entries = GET_SHORT(ptr, 2);
94 ptr += 6;
95 for (i = 0; i < entries; i++)
96 {
97 if (comp(ptr, key, 0, (void **)&newptr) > 0) break;
98 ptr = newptr;
99 }
100 cur_page = GET_USHORT(ptr-2, 0);
101 }
102 ptr = pages + cur_page*page_size;
103 entries = GET_SHORT(ptr, 2);
104 ptr += 8;
105 for (i = 0; i < entries; i++)
106 {
107 ret = comp(ptr, key, 1, (void **)&newptr);
108 if (ret == 0) return ptr;
109 if (ret > 0) return NULL;
110 ptr = newptr;
111 }
112 return NULL;
113 }
114
115 /**************************************************************************
116 * HLPFILE_BPTreeEnum
117 *
118 * Enumerates elements in B+ tree.
119 *
120 * PARAMS
121 * buf [I] pointer to the embedded file structured as a B+ tree
122 * cb [I] compare function
123 * cookie [IO] cookie for cb function
124 */
125 void HLPFILE_BPTreeEnum(BYTE* buf, HLPFILE_BPTreeCallback cb, void* cookie)
126 {
127 unsigned magic;
128 unsigned page_size;
129 unsigned cur_page;
130 unsigned level;
131 BYTE *pages, *ptr, *newptr;
132 int i, entries;
133
134 magic = GET_USHORT(buf, 9);
135 if (magic != 0x293B)
136 {
137 WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
138 return;
139 }
140 page_size = GET_USHORT(buf, 9+4);
141 cur_page = GET_USHORT(buf, 9+26);
142 level = GET_USHORT(buf, 9+32);
143 pages = buf + 9 + 38;
144 while (--level > 0)
145 {
146 ptr = pages + cur_page*page_size;
147 cur_page = GET_USHORT(ptr, 4);
148 }
149 while (cur_page != 0xFFFF)
150 {
151 ptr = pages + cur_page*page_size;
152 entries = GET_SHORT(ptr, 2);
153 ptr += 8;
154 for (i = 0; i < entries; i++)
155 {
156 cb(ptr, (void **)&newptr, cookie);
157 ptr = newptr;
158 }
159 cur_page = GET_USHORT(pages+cur_page*page_size, 6);
160 }
161 }
162
163
164 /***********************************************************************
165 *
166 * HLPFILE_UncompressedLZ77_Size
167 */
168 static INT HLPFILE_UncompressedLZ77_Size(const BYTE *ptr, const BYTE *end)
169 {
170 int i, newsize = 0;
171
172 while (ptr < end)
173 {
174 int mask = *ptr++;
175 for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
176 {
177 if (mask & 1)
178 {
179 int code = GET_USHORT(ptr, 0);
180 int len = 3 + (code >> 12);
181 newsize += len;
182 ptr += 2;
183 }
184 else newsize++, ptr++;
185 }
186 }
187
188 return newsize;
189 }
190
191 /***********************************************************************
192 *
193 * HLPFILE_UncompressLZ77
194 */
195 static BYTE *HLPFILE_UncompressLZ77(const BYTE *ptr, const BYTE *end, BYTE *newptr)
196 {
197 int i;
198
199 while (ptr < end)
200 {
201 int mask = *ptr++;
202 for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
203 {
204 if (mask & 1)
205 {
206 int code = GET_USHORT(ptr, 0);
207 int len = 3 + (code >> 12);
208 int offset = code & 0xfff;
209 /*
210 * We must copy byte-by-byte here. We cannot use memcpy nor
211 * memmove here. Just example:
212 * a[]={1,2,3,4,5,6,7,8,9,10}
213 * newptr=a+2;
214 * offset=1;
215 * We expect:
216 * {1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 11, 12}
217 */
218 for (; len>0; len--, newptr++) *newptr = *(newptr-offset-1);
219 ptr += 2;
220 }
221 else *newptr++ = *ptr++;
222 }
223 }
224
225 return newptr;
226 }
227
228 /***********************************************************************
229 *
230 * HLPFILE_Uncompress2
231 */
232
233 static void HLPFILE_Uncompress2(HLPFILE* hlpfile, const BYTE *ptr, const BYTE *end, BYTE *newptr, const BYTE *newend)
234 {
235 BYTE *phptr, *phend;
236 UINT code;
237 UINT index;
238
239 while (ptr < end && newptr < newend)
240 {
241 if (!*ptr || *ptr >= 0x10)
242 *newptr++ = *ptr++;
243 else
244 {
245 code = 0x100 * ptr[0] + ptr[1];
246 index = (code - 0x100) / 2;
247
248 phptr = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index];
249 phend = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index + 1];
250
251 if (newptr + (phend - phptr) > newend)
252 {
253 WINE_FIXME("buffer overflow %p > %p for %lu bytes\n",
254 newptr, newend, (SIZE_T)(phend - phptr));
255 return;
256 }
257 memcpy(newptr, phptr, phend - phptr);
258 newptr += phend - phptr;
259 if (code & 1) *newptr++ = ' ';
260
261 ptr += 2;
262 }
263 }
264 if (newptr > newend) WINE_FIXME("buffer overflow %p > %p\n", newptr, newend);
265 }
266
267 /******************************************************************
268 * HLPFILE_Uncompress3
269 *
270 *
271 */
272 static BOOL HLPFILE_Uncompress3(HLPFILE* hlpfile, char* dst, const char* dst_end,
273 const BYTE* src, const BYTE* src_end)
274 {
275 unsigned int idx, len;
276
277 for (; src < src_end; src++)
278 {
279 if ((*src & 1) == 0)
280 {
281 idx = *src / 2;
282 if (idx > hlpfile->num_phrases)
283 {
284 WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
285 len = 0;
286 }
287 else
288 {
289 len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
290 if (dst + len <= dst_end)
291 memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
292 }
293 }
294 else if ((*src & 0x03) == 0x01)
295 {
296 idx = (*src + 1) * 64;
297 idx += *++src;
298 if (idx > hlpfile->num_phrases)
299 {
300 WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
301 len = 0;
302 }
303 else
304 {
305 len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
306 if (dst + len <= dst_end)
307 memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
308 }
309 }
310 else if ((*src & 0x07) == 0x03)
311 {
312 len = (*src / 8) + 1;
313 if (dst + len <= dst_end)
314 memcpy(dst, src + 1, len);
315 src += len;
316 }
317 else
318 {
319 len = (*src / 16) + 1;
320 if (dst + len <= dst_end)
321 memset(dst, ((*src & 0x0F) == 0x07) ? ' ' : 0, len);
322 }
323 dst += len;
324 }
325
326 if (dst > dst_end) WINE_ERR("buffer overflow (%p > %p)\n", dst, dst_end);
327 return TRUE;
328 }
329
330 /******************************************************************
331 * HLPFILE_UncompressRLE
332 *
333 *
334 */
335 static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE* dst, unsigned dstsz)
336 {
337 BYTE ch;
338 BYTE* sdst = dst + dstsz;
339
340 while (src < end)
341 {
342 ch = *src++;
343 if (ch & 0x80)
344 {
345 ch &= 0x7F;
346 if (dst + ch <= sdst)
347 memcpy(dst, src, ch);
348 src += ch;
349 }
350 else
351 {
352 if (dst + ch <= sdst)
353 memset(dst, (char)*src, ch);
354 src++;
355 }
356 dst += ch;
357 }
358 if (dst != sdst)
359 WINE_WARN("Buffer X-flow: d(%lu) instead of d(%u)\n",
360 (SIZE_T)(dst - (sdst - dstsz)), dstsz);
361 }
362
363
364 /******************************************************************
365 * HLPFILE_PageByOffset
366 *
367 *
368 */
369 HLPFILE_PAGE *HLPFILE_PageByOffset(HLPFILE* hlpfile, LONG offset, ULONG* relative)
370 {
371 HLPFILE_PAGE* page;
372 HLPFILE_PAGE* found;
373
374 if (!hlpfile) return 0;
375
376 WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, offset);
377
378 if (offset == 0xFFFFFFFF) return NULL;
379 page = NULL;
380
381 for (found = NULL, page = hlpfile->first_page; page; page = page->next)
382 {
383 if (page->offset <= offset && (!found || found->offset < page->offset))
384 {
385 *relative = offset - page->offset;
386 found = page;
387 }
388 }
389 if (!found)
390 WINE_ERR("Page of offset %u not found in file %s\n",
391 offset, hlpfile->lpszPath);
392 return found;
393 }
394
395 /***********************************************************************
396 *
397 * HLPFILE_Contents
398 */
399 static HLPFILE_PAGE* HLPFILE_Contents(HLPFILE *hlpfile, ULONG* relative)
400 {
401 HLPFILE_PAGE* page = NULL;
402
403 if (!hlpfile) return NULL;
404
405 page = HLPFILE_PageByOffset(hlpfile, hlpfile->contents_start, relative);
406 if (!page)
407 {
408 page = hlpfile->first_page;
409 *relative = 0;
410 }
411 return page;
412 }
413
414 /**************************************************************************
415 * comp_PageByHash
416 *
417 * HLPFILE_BPTreeCompare function for '|CONTEXT' B+ tree file
418 *
419 */
420 static int comp_PageByHash(void *p, const void *key,
421 int leaf, void** next)
422 {
423 LONG lKey = (LONG_PTR)key;
424 LONG lTest = (INT)GET_UINT(p, 0);
425
426 *next = (char *)p+(leaf?8:6);
427 WINE_TRACE("Comparing '%d' with '%d'\n", lKey, lTest);
428 if (lTest < lKey) return -1;
429 if (lTest > lKey) return 1;
430 return 0;
431 }
432
433 /***********************************************************************
434 *
435 * HLPFILE_PageByHash
436 */
437 HLPFILE_PAGE *HLPFILE_PageByHash(HLPFILE* hlpfile, LONG lHash, ULONG* relative)
438 {
439 BYTE *ptr;
440
441 if (!hlpfile) return NULL;
442 if (!lHash) return HLPFILE_Contents(hlpfile, relative);
443
444 WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, lHash);
445
446 /* For win 3.0 files hash values are really page numbers */
447 if (hlpfile->version <= 16)
448 {
449 if (lHash >= hlpfile->wTOMapLen) return NULL;
450 return HLPFILE_PageByOffset(hlpfile, hlpfile->TOMap[lHash], relative);
451 }
452
453 ptr = HLPFILE_BPTreeSearch(hlpfile->Context, LongToPtr(lHash), comp_PageByHash);
454 if (!ptr)
455 {
456 WINE_ERR("Page of hash %x not found in file %s\n", lHash, hlpfile->lpszPath);
457 return NULL;
458 }
459
460 return HLPFILE_PageByOffset(hlpfile, GET_UINT(ptr, 4), relative);
461 }
462
463 /***********************************************************************
464 *
465 * HLPFILE_PageByMap
466 */
467 HLPFILE_PAGE *HLPFILE_PageByMap(HLPFILE* hlpfile, LONG lMap, ULONG* relative)
468 {
469 unsigned int i;
470
471 if (!hlpfile) return 0;
472
473 WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, lMap);
474
475 for (i = 0; i < hlpfile->wMapLen; i++)
476 {
477 if (hlpfile->Map[i].lMap == lMap)
478 return HLPFILE_PageByOffset(hlpfile, hlpfile->Map[i].offset, relative);
479 }
480
481 WINE_ERR("Page of Map %x not found in file %s\n", lMap, hlpfile->lpszPath);
482 return NULL;
483 }
484
485 /**************************************************************************
486 * comp_FindSubFile
487 *
488 * HLPFILE_BPTreeCompare function for HLPFILE directory.
489 *
490 */
491 static int comp_FindSubFile(void *p, const void *key,
492 int leaf, void** next)
493 {
494 *next = (char *)p+strlen(p)+(leaf?5:3);
495 WINE_TRACE("Comparing '%s' with '%s'\n", (char *)p, (char *)key);
496 return strcmp(p, key);
497 }
498
499 /***********************************************************************
500 *
501 * HLPFILE_FindSubFile
502 */
503 static BOOL HLPFILE_FindSubFile(HLPFILE* hlpfile, LPCSTR name, BYTE **subbuf, BYTE **subend)
504 {
505 BYTE *ptr;
506
507 WINE_TRACE("looking for file '%s'\n", name);
508 ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
509 name, comp_FindSubFile);
510 if (!ptr) return FALSE;
511 *subbuf = hlpfile->file_buffer + GET_UINT(ptr, strlen(name)+1);
512 if (*subbuf >= hlpfile->file_buffer + hlpfile->file_buffer_size)
513 {
514 WINE_ERR("internal file %s does not fit\n", name);
515 return FALSE;
516 }
517 *subend = *subbuf + GET_UINT(*subbuf, 0);
518 if (*subend > hlpfile->file_buffer + hlpfile->file_buffer_size)
519 {
520 WINE_ERR("internal file %s does not fit\n", name);
521 return FALSE;
522 }
523 if (GET_UINT(*subbuf, 0) < GET_UINT(*subbuf, 4) + 9)
524 {
525 WINE_ERR("invalid size provided for internal file %s\n", name);
526 return FALSE;
527 }
528 return TRUE;
529 }
530
531 /***********************************************************************
532 *
533 * HLPFILE_Hash
534 */
535 LONG HLPFILE_Hash(LPCSTR lpszContext)
536 {
537 LONG lHash = 0;
538 CHAR c;
539
540 while ((c = *lpszContext++))
541 {
542 CHAR x = 0;
543 if (c >= 'A' && c <= 'Z') x = c - 'A' + 17;
544 if (c >= 'a' && c <= 'z') x = c - 'a' + 17;
545 if (c >= '1' && c <= '9') x = c - '0';
546 if (c == '0') x = 10;
547 if (c == '.') x = 12;
548 if (c == '_') x = 13;
549 if (x) lHash = lHash * 43 + x;
550 }
551 return lHash;
552 }
553
554 static LONG fetch_long(const BYTE** ptr)
555 {
556 LONG ret;
557
558 if (*(*ptr) & 1)
559 {
560 ret = (*(const ULONG*)(*ptr) - 0x80000000) / 2;
561 (*ptr) += 4;
562 }
563 else
564 {
565 ret = (*(const USHORT*)(*ptr) - 0x8000) / 2;
566 (*ptr) += 2;
567 }
568
569 return ret;
570 }
571
572 static ULONG fetch_ulong(const BYTE** ptr)
573 {
574 ULONG ret;
575
576 if (*(*ptr) & 1)
577 {
578 ret = *(const ULONG*)(*ptr) / 2;
579 (*ptr) += 4;
580 }
581 else
582 {
583 ret = *(const USHORT*)(*ptr) / 2;
584 (*ptr) += 2;
585 }
586 return ret;
587 }
588
589 static short fetch_short(const BYTE** ptr)
590 {
591 short ret;
592
593 if (*(*ptr) & 1)
594 {
595 ret = (*(const unsigned short*)(*ptr) - 0x8000) / 2;
596 (*ptr) += 2;
597 }
598 else
599 {
600 ret = (*(const unsigned char*)(*ptr) - 0x80) / 2;
601 (*ptr)++;
602 }
603 return ret;
604 }
605
606 static unsigned short fetch_ushort(const BYTE** ptr)
607 {
608 unsigned short ret;
609
610 if (*(*ptr) & 1)
611 {
612 ret = *(const unsigned short*)(*ptr) / 2;
613 (*ptr) += 2;
614 }
615 else
616 {
617 ret = *(const unsigned char*)(*ptr) / 2;
618 (*ptr)++;
619 }
620 return ret;
621 }
622
623 /******************************************************************
624 * HLPFILE_DecompressGfx
625 *
626 * Decompress the data part of a bitmap or a metafile
627 */
628 static const BYTE* HLPFILE_DecompressGfx(const BYTE* src, unsigned csz, unsigned sz, BYTE packing,
629 BYTE** alloc)
630 {
631 const BYTE* dst;
632 BYTE* tmp;
633 unsigned sz77;
634
635 WINE_TRACE("Unpacking (%d) from %u bytes to %u bytes\n", packing, csz, sz);
636
637 switch (packing)
638 {
639 case 0: /* uncompressed */
640 if (sz != csz)
641 WINE_WARN("Bogus gfx sizes (uncompressed): %u / %u\n", sz, csz);
642 dst = src;
643 *alloc = NULL;
644 break;
645 case 1: /* RunLen */
646 dst = *alloc = HeapAlloc(GetProcessHeap(), 0, sz);
647 if (!dst) return NULL;
648 HLPFILE_UncompressRLE(src, src + csz, *alloc, sz);
649 break;
650 case 2: /* LZ77 */
651 sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
652 dst = *alloc = HeapAlloc(GetProcessHeap(), 0, sz77);
653 if (!dst) return NULL;
654 HLPFILE_UncompressLZ77(src, src + csz, *alloc);
655 if (sz77 != sz)
656 WINE_WARN("Bogus gfx sizes (LZ77): %u / %u\n", sz77, sz);
657 break;
658 case 3: /* LZ77 then RLE */
659 sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
660 tmp = HeapAlloc(GetProcessHeap(), 0, sz77);
661 if (!tmp) return FALSE;
662 HLPFILE_UncompressLZ77(src, src + csz, tmp);
663 dst = *alloc = HeapAlloc(GetProcessHeap(), 0, sz);
664 if (!dst)
665 {
666 HeapFree(GetProcessHeap(), 0, tmp);
667 return FALSE;
668 }
669 HLPFILE_UncompressRLE(tmp, tmp + sz77, *alloc, sz);
670 HeapFree(GetProcessHeap(), 0, tmp);
671 break;
672 default:
673 WINE_FIXME("Unsupported packing %u\n", packing);
674 return NULL;
675 }
676 return dst;
677 }
678
679 static BOOL HLPFILE_RtfAddRawString(struct RtfData* rd, const char* str, size_t sz)
680 {
681 if (rd->ptr + sz >= rd->data + rd->allocated)
682 {
683 char* new = HeapReAlloc(GetProcessHeap(), 0, rd->data, rd->allocated *= 2);
684 if (!new) return FALSE;
685 rd->ptr = new + (rd->ptr - rd->data);
686 rd->data = new;
687 }
688 memcpy(rd->ptr, str, sz);
689 rd->ptr += sz;
690
691 return TRUE;
692 }
693
694 static BOOL HLPFILE_RtfAddControl(struct RtfData* rd, const char* str)
695 {
696 if (*str == '\\' || *str == '{') rd->in_text = FALSE;
697 else if (*str == '}') rd->in_text = TRUE;
698 return HLPFILE_RtfAddRawString(rd, str, strlen(str));
699 }
700
701 static BOOL HLPFILE_RtfAddText(struct RtfData* rd, const char* str)
702 {
703 const char* p;
704 const char* last;
705 const char* replace;
706 unsigned rlen;
707
708 if (!rd->in_text)
709 {
710 if (!HLPFILE_RtfAddRawString(rd, " ", 1)) return FALSE;
711 rd->in_text = TRUE;
712 }
713 for (last = p = str; *p; p++)
714 {
715 if (*p < 0) /* escape non ASCII chars */
716 {
717 static char xx[8];
718 rlen = sprintf(xx, "\\'%x", *(const BYTE*)p);
719 replace = xx;
720 }
721 else switch (*p)
722 {
723 case '{': rlen = 2; replace = "\\{"; break;
724 case '}': rlen = 2; replace = "\\}"; break;
725 case '\\': rlen = 2; replace = "\\\\"; break;
726 default: continue;
727 }
728 if ((p != last && !HLPFILE_RtfAddRawString(rd, last, p - last)) ||
729 !HLPFILE_RtfAddRawString(rd, replace, rlen)) return FALSE;
730 last = p + 1;
731 }
732 return HLPFILE_RtfAddRawString(rd, last, p - last);
733 }
734
735 /******************************************************************
736 * RtfAddHexBytes
737 *
738 */
739 static BOOL HLPFILE_RtfAddHexBytes(struct RtfData* rd, const void* _ptr, unsigned sz)
740 {
741 char tmp[512];
742 unsigned i, step;
743 const BYTE* ptr = _ptr;
744 static const char* _2hex = "0123456789abcdef";
745
746 if (!rd->in_text)
747 {
748 if (!HLPFILE_RtfAddRawString(rd, " ", 1)) return FALSE;
749 rd->in_text = TRUE;
750 }
751 for (; sz; sz -= step)
752 {
753 step = min(256, sz);
754 for (i = 0; i < step; i++)
755 {
756 tmp[2 * i + 0] = _2hex[*ptr >> 4];
757 tmp[2 * i + 1] = _2hex[*ptr++ & 0xF];
758 }
759 if (!HLPFILE_RtfAddRawString(rd, tmp, 2 * step)) return FALSE;
760 }
761 return TRUE;
762 }
763
764 /******************************************************************
765 * HLPFILE_RtfAddTransparentBitmap
766 *
767 * We'll transform a transparent bitmap into an metafile that
768 * we then transform into RTF
769 */
770 static BOOL HLPFILE_RtfAddTransparentBitmap(struct RtfData* rd, const BITMAPINFO* bi,
771 const void* pict, unsigned nc)
772 {
773 HDC hdc, hdcMask, hdcMem, hdcEMF;
774 HBITMAP hbm, hbmMask, hbmOldMask, hbmOldMem;
775 HENHMETAFILE hEMF;
776 BOOL ret = FALSE;
777 void* data;
778 UINT sz;
779
780 hbm = CreateDIBitmap(hdc = GetDC(0), &bi->bmiHeader,
781 CBM_INIT, pict, bi, DIB_RGB_COLORS);
782
783 hdcMem = CreateCompatibleDC(hdc);
784 hbmOldMem = SelectObject(hdcMem, hbm);
785
786 /* create the mask bitmap from the main bitmap */
787 hdcMask = CreateCompatibleDC(hdc);
788 hbmMask = CreateBitmap(bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, 1, 1, NULL);
789 hbmOldMask = SelectObject(hdcMask, hbmMask);
790 SetBkColor(hdcMem,
791 RGB(bi->bmiColors[nc - 1].rgbRed,
792 bi->bmiColors[nc - 1].rgbGreen,
793 bi->bmiColors[nc - 1].rgbBlue));
794 BitBlt(hdcMask, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCCOPY);
795
796 /* sets to RGB(0,0,0) the transparent bits in main bitmap */
797 SetBkColor(hdcMem, RGB(0,0,0));
798 SetTextColor(hdcMem, RGB(255,255,255));
799 BitBlt(hdcMem, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMask, 0, 0, SRCAND);
800
801 SelectObject(hdcMask, hbmOldMask);
802 DeleteDC(hdcMask);
803
804 SelectObject(hdcMem, hbmOldMem);
805 DeleteDC(hdcMem);
806
807 /* we create the bitmap on the fly */
808 hdcEMF = CreateEnhMetaFile(NULL, NULL, NULL, NULL);
809 hdcMem = CreateCompatibleDC(hdcEMF);
810
811 /* sets to RGB(0,0,0) the transparent bits in final bitmap */
812 hbmOldMem = SelectObject(hdcMem, hbmMask);
813 SetBkColor(hdcEMF, RGB(255, 255, 255));
814 SetTextColor(hdcEMF, RGB(0, 0, 0));
815 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCAND);
816
817 /* and copy the remaining bits of main bitmap */
818 SelectObject(hdcMem, hbm);
819 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCPAINT);
820 SelectObject(hdcMem, hbmOldMem);
821 DeleteDC(hdcMem);
822
823 /* do the cleanup */
824 ReleaseDC(0, hdc);
825 DeleteObject(hbmMask);
826 DeleteObject(hbm);
827
828 hEMF = CloseEnhMetaFile(hdcEMF);
829
830 /* generate rtf stream */
831 sz = GetEnhMetaFileBits(hEMF, 0, NULL);
832 if (sz && (data = HeapAlloc(GetProcessHeap(), 0, sz)))
833 {
834 if (sz == GetEnhMetaFileBits(hEMF, sz, data))
835 {
836 ret = HLPFILE_RtfAddControl(rd, "{\\pict\\emfblip") &&
837 HLPFILE_RtfAddHexBytes(rd, data, sz) &&
838 HLPFILE_RtfAddControl(rd, "}");
839 }
840 HeapFree(GetProcessHeap(), 0, data);
841 }
842 DeleteEnhMetaFile(hEMF);
843
844 return ret;
845 }
846
847 /******************************************************************
848 * HLPFILE_RtfAddBitmap
849 *
850 */
851 static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type, BYTE pack)
852 {
853 const BYTE* ptr;
854 const BYTE* pict_beg;
855 BYTE* alloc = NULL;
856 BITMAPINFO* bi;
857 ULONG off, csz;
858 unsigned nc = 0;
859 BOOL clrImportant = FALSE;
860 BOOL ret = FALSE;
861 char tmp[256];
862
863 bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
864 if (!bi) return FALSE;
865
866 ptr = beg + 2; /* for type and pack */
867
868 bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
869 bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
870 bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
871 bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
872 bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
873 bi->bmiHeader.biWidth = fetch_ulong(&ptr);
874 bi->bmiHeader.biHeight = fetch_ulong(&ptr);
875 bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
876 clrImportant = fetch_ulong(&ptr);
877 bi->bmiHeader.biClrImportant = (clrImportant > 1) ? clrImportant : 0;
878 bi->bmiHeader.biCompression = BI_RGB;
879 if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
880 if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
881 bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
882 WINE_TRACE("planes=%d bc=%d size=(%d,%d)\n",
883 bi->bmiHeader.biPlanes, bi->bmiHeader.biBitCount,
884 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
885
886 csz = fetch_ulong(&ptr);
887 fetch_ulong(&ptr); /* hotspot size */
888
889 off = GET_UINT(ptr, 0); ptr += 4;
890 /* GET_UINT(ptr, 0); hotspot offset */ ptr += 4;
891
892 /* now read palette info */
893 if (type == 0x06)
894 {
895 unsigned i;
896
897 nc = bi->bmiHeader.biClrUsed;
898 /* not quite right, especially for bitfields type of compression */
899 if (!nc && bi->bmiHeader.biBitCount <= 8)
900 nc = 1 << bi->bmiHeader.biBitCount;
901
902 bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
903 if (!bi) return FALSE;
904 for (i = 0; i < nc; i++)
905 {
906 bi->bmiColors[i].rgbBlue = ptr[0];
907 bi->bmiColors[i].rgbGreen = ptr[1];
908 bi->bmiColors[i].rgbRed = ptr[2];
909 bi->bmiColors[i].rgbReserved = 0;
910 ptr += 4;
911 }
912 }
913 pict_beg = HLPFILE_DecompressGfx(beg + off, csz, bi->bmiHeader.biSizeImage, pack, &alloc);
914
915 if (clrImportant == 1 && nc > 0)
916 {
917 ret = HLPFILE_RtfAddTransparentBitmap(rd, bi, pict_beg, nc);
918 goto done;
919 }
920 if (!HLPFILE_RtfAddControl(rd, "{\\pict")) goto done;
921 if (type == 0x06)
922 {
923 sprintf(tmp, "\\dibitmap0\\picw%d\\pich%d",
924 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
925 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
926 if (!HLPFILE_RtfAddHexBytes(rd, bi, sizeof(*bi) + nc * sizeof(RGBQUAD))) goto done;
927 }
928 else
929 {
930 sprintf(tmp, "\\wbitmap0\\wbmbitspixel%d\\wbmplanes%d\\picw%d\\pich%d",
931 bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes,
932 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
933 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
934 }
935 if (!HLPFILE_RtfAddHexBytes(rd, pict_beg, bi->bmiHeader.biSizeImage)) goto done;
936 if (!HLPFILE_RtfAddControl(rd, "}")) goto done;
937
938 ret = TRUE;
939 done:
940 HeapFree(GetProcessHeap(), 0, bi);
941 HeapFree(GetProcessHeap(), 0, alloc);
942
943 return ret;
944 }
945
946 /******************************************************************
947 * HLPFILE_RtfAddMetaFile
948 *
949 */
950 static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, const BYTE* beg, BYTE pack)
951 {
952 ULONG size, csize, off, hsoff;
953 const BYTE* ptr;
954 const BYTE* bits;
955 BYTE* alloc = NULL;
956 char tmp[256];
957 unsigned mm;
958 BOOL ret;
959
960 WINE_TRACE("Loading metafile\n");
961
962 ptr = beg + 2; /* for type and pack */
963
964 mm = fetch_ushort(&ptr); /* mapping mode */
965 sprintf(tmp, "{\\pict\\wmetafile%d\\picw%d\\pich%d",
966 mm, GET_USHORT(ptr, 0), GET_USHORT(ptr, 2));
967 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
968 ptr += 4;
969
970 size = fetch_ulong(&ptr); /* decompressed size */
971 csize = fetch_ulong(&ptr); /* compressed size */
972 fetch_ulong(&ptr); /* hotspot size */
973 off = GET_UINT(ptr, 0);
974 hsoff = GET_UINT(ptr, 4);
975 ptr += 8;
976
977 WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u\n",
978 size, csize, off, (ULONG)(ptr - beg), hsoff);
979
980 bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack, &alloc);
981 if (!bits) return FALSE;
982
983 ret = HLPFILE_RtfAddHexBytes(rd, bits, size) &&
984 HLPFILE_RtfAddControl(rd, "}");
985
986 HeapFree(GetProcessHeap(), 0, alloc);
987
988 return ret;
989 }
990
991 /******************************************************************
992 * HLPFILE_RtfAddGfxByAddr
993 *
994 */
995 static BOOL HLPFILE_RtfAddGfxByAddr(struct RtfData* rd, HLPFILE *hlpfile,
996 const BYTE* ref, ULONG size)
997 {
998 unsigned i, numpict;
999
1000 numpict = GET_USHORT(ref, 2);
1001 WINE_TRACE("Got picture magic=%04x #=%d\n", GET_USHORT(ref, 0), numpict);
1002
1003 for (i = 0; i < numpict; i++)
1004 {
1005 const BYTE* beg;
1006 const BYTE* ptr;
1007 BYTE type, pack;
1008
1009 WINE_TRACE("Offset[%d] = %x\n", i, GET_UINT(ref, (1 + i) * 4));
1010 beg = ptr = ref + GET_UINT(ref, (1 + i) * 4);
1011
1012 type = *ptr++;
1013 pack = *ptr++;
1014
1015 switch (type)
1016 {
1017 case 5: /* device dependent bmp */
1018 case 6: /* device independent bmp */
1019 HLPFILE_RtfAddBitmap(rd, beg, type, pack);
1020 break;
1021 case 8:
1022 HLPFILE_RtfAddMetaFile(rd, beg, pack);
1023 break;
1024 default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
1025 }
1026
1027 /* FIXME: hotspots */
1028
1029 /* FIXME: implement support for multiple picture format */
1030 if (numpict != 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
1031 break;
1032 }
1033 return TRUE;
1034 }
1035
1036 /******************************************************************
1037 * HLPFILE_RtfAddGfxByIndex
1038 *
1039 *
1040 */
1041 static BOOL HLPFILE_RtfAddGfxByIndex(struct RtfData* rd, HLPFILE *hlpfile,
1042 unsigned index)
1043 {
1044 char tmp[16];
1045 BYTE *ref, *end;
1046
1047 WINE_TRACE("Loading picture #%d\n", index);
1048
1049 sprintf(tmp, "|bm%u", index);
1050
1051 if (!HLPFILE_FindSubFile(hlpfile, tmp, &ref, &end)) {WINE_WARN("no sub file\n"); return FALSE;}
1052
1053 ref += 9;
1054 return HLPFILE_RtfAddGfxByAddr(rd, hlpfile, ref, end - ref);
1055 }
1056
1057 /******************************************************************
1058 * HLPFILE_AllocLink
1059 *
1060 *
1061 */
1062 static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
1063 const char* str, unsigned len, LONG hash,
1064 unsigned clrChange, unsigned wnd)
1065 {
1066 HLPFILE_LINK* link;
1067 char* link_str;
1068
1069 /* FIXME: should build a string table for the attributes.link.lpszPath
1070 * they are reallocated for each link
1071 */
1072 if (len == -1) len = strlen(str);
1073 link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + len + 1);
1074 if (!link) return NULL;
1075
1076 link->cookie = cookie;
1077 link->string = link_str = (char*)(link + 1);
1078 memcpy(link_str, str, len);
1079 link_str[len] = '\0';
1080 link->hash = hash;
1081 link->bClrChange = clrChange ? 1 : 0;
1082 link->window = wnd;
1083 link->next = rd->first_link;
1084 rd->first_link = link;
1085 link->cpMin = rd->char_pos;
1086 link->cpMax = 0;
1087 rd->force_color = clrChange;
1088 if (rd->current_link) WINE_FIXME("Pending link\n");
1089 rd->current_link = link;
1090
1091 WINE_TRACE("Link[%d] to %s@%08x:%d\n",
1092 link->cookie, link->string, link->hash, link->window);
1093 return link;
1094 }
1095
1096 static unsigned HLPFILE_HalfPointsToTwips(unsigned pts)
1097 {
1098 static unsigned logPxY;
1099 if (!logPxY)
1100 {
1101 HDC hdc = GetDC(NULL);
1102 logPxY = GetDeviceCaps(hdc, LOGPIXELSY);
1103 ReleaseDC(NULL, hdc);
1104 }
1105 return MulDiv(pts, 72 * 10, logPxY);
1106 }
1107
1108 /***********************************************************************
1109 *
1110 * HLPFILE_BrowseParagraph
1111 */
1112 static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
1113 BYTE *buf, BYTE* end, unsigned* parlen)
1114 {
1115 UINT textsize;
1116 const BYTE *format, *format_end;
1117 char *text, *text_base, *text_end;
1118 LONG size, blocksize, datalen;
1119 unsigned short bits;
1120 unsigned nc, ncol = 1;
1121 short table_width;
1122 BOOL in_table = FALSE;
1123 char tmp[256];
1124 BOOL ret = FALSE;
1125
1126 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
1127
1128 *parlen = 0;
1129 blocksize = GET_UINT(buf, 0);
1130 size = GET_UINT(buf, 0x4);
1131 datalen = GET_UINT(buf, 0x10);
1132 text = text_base = HeapAlloc(GetProcessHeap(), 0, size);
1133 if (!text) return FALSE;
1134 if (size > blocksize - datalen)
1135 {
1136 /* need to decompress */
1137 if (page->file->hasPhrases)
1138 HLPFILE_Uncompress2(page->file, buf + datalen, end, (BYTE*)text, (BYTE*)text + size);
1139 else if (page->file->hasPhrases40)
1140 HLPFILE_Uncompress3(page->file, text, text + size, buf + datalen, end);
1141 else
1142 {
1143 WINE_FIXME("Text size is too long, splitting\n");
1144 size = blocksize - datalen;
1145 memcpy(text, buf + datalen, size);
1146 }
1147 }
1148 else
1149 memcpy(text, buf + datalen, size);
1150
1151 text_end = text + size;
1152
1153 format = buf + 0x15;
1154 format_end = buf + GET_UINT(buf, 0x10);
1155
1156 if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
1157 {
1158 fetch_long(&format);
1159 *parlen = fetch_ushort(&format);
1160 }
1161
1162 if (buf[0x14] == 0x23)
1163 {
1164 char type;
1165
1166 in_table = TRUE;
1167 ncol = *format++;
1168
1169 if (!HLPFILE_RtfAddControl(rd, "\\trowd")) goto done;
1170 type = *format++;
1171 if (type == 0 || type == 2)
1172 {
1173 table_width = GET_SHORT(format, 0);
1174 format += 2;
1175 }
1176 else
1177 table_width = 32767;
1178 WINE_TRACE("New table: cols=%d type=%x width=%d\n",
1179 ncol, type, table_width);
1180 if (ncol > 1)
1181 {
1182 int pos;
1183 sprintf(tmp, "\\trgaph%d\\trleft%d",
1184 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 6), table_width, 32767)),
1185 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0), table_width, 32767)));
1186 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1187 pos = HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 6) / 2, table_width, 32767));
1188 for (nc = 0; nc < ncol; nc++)
1189 {
1190 WINE_TRACE("column(%d/%d) gap=%d width=%d\n",
1191 nc, ncol, GET_SHORT(format, nc*4),
1192 GET_SHORT(format, nc*4+2));
1193 pos += GET_SHORT(format, nc * 4) + GET_SHORT(format, nc * 4 + 2);
1194 sprintf(tmp, "\\cellx%d",
1195 HLPFILE_HalfPointsToTwips(MulDiv(pos, table_width, 32767)));
1196 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1197 }
1198 }
1199 else
1200 {
1201 WINE_TRACE("column(0/%d) gap=%d width=%d\n",
1202 ncol, GET_SHORT(format, 0), GET_SHORT(format, 2));
1203 sprintf(tmp, "\\trleft%d\\cellx%d ",
1204 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0), table_width, 32767)),
1205 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0) + GET_SHORT(format, 2),
1206 table_width, 32767)));
1207 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1208 }
1209 format += ncol * 4;
1210 }
1211
1212 for (nc = 0; nc < ncol; /**/)
1213 {
1214 WINE_TRACE("looking for format at offset %lu in column %d\n", (SIZE_T)(format - (buf + 0x15)), nc);
1215 if (!HLPFILE_RtfAddControl(rd, "\\pard")) goto done;
1216 if (in_table)
1217 {
1218 nc = GET_SHORT(format, 0);
1219 if (nc == -1) break;
1220 format += 5;
1221 if (!HLPFILE_RtfAddControl(rd, "\\intbl")) goto done;
1222 }
1223 else nc++;
1224 if (buf[0x14] == 0x01)
1225 format += 6;
1226 else
1227 format += 4;
1228 bits = GET_USHORT(format, 0); format += 2;
1229 if (bits & 0x0001) fetch_long(&format);
1230 if (bits & 0x0002)
1231 {
1232 sprintf(tmp, "\\sb%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1233 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1234 }
1235 if (bits & 0x0004)
1236 {
1237 sprintf(tmp, "\\sa%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1238 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1239 }
1240 if (bits & 0x0008)
1241 {
1242 sprintf(tmp, "\\sl%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1243 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1244 }
1245 if (bits & 0x0010)
1246 {
1247 sprintf(tmp, "\\li%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1248 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1249 }
1250 if (bits & 0x0020)
1251 {
1252 sprintf(tmp, "\\ri%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1253 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1254 }
1255 if (bits & 0x0040)
1256 {
1257 sprintf(tmp, "\\fi%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1258 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1259 }
1260 if (bits & 0x0100)
1261 {
1262 BYTE brdr = *format++;
1263 short w;
1264
1265 if (brdr & 0x01 && !HLPFILE_RtfAddControl(rd, "\\box")) goto done;
1266 if (brdr & 0x02 && !HLPFILE_RtfAddControl(rd, "\\brdrt")) goto done;
1267 if (brdr & 0x04 && !HLPFILE_RtfAddControl(rd, "\\brdrl")) goto done;
1268 if (brdr & 0x08 && !HLPFILE_RtfAddControl(rd, "\\brdrb")) goto done;
1269 if (brdr & 0x10 && !HLPFILE_RtfAddControl(rd, "\\brdrr")) goto done;
1270 if (brdr & 0x20 && !HLPFILE_RtfAddControl(rd, "\\brdrth")) goto done;
1271 if (!(brdr & 0x20) && !HLPFILE_RtfAddControl(rd, "\\brdrs")) goto done;
1272 if (brdr & 0x40 && !HLPFILE_RtfAddControl(rd, "\\brdrdb")) goto done;
1273 /* 0x80: unknown */
1274
1275 w = GET_SHORT(format, 0); format += 2;
1276 if (w)
1277 {
1278 sprintf(tmp, "\\brdrw%d", HLPFILE_HalfPointsToTwips(w));
1279 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1280 }
1281 }
1282 if (bits & 0x0200)
1283 {
1284 int i, ntab = fetch_short(&format);
1285 unsigned tab, ts;
1286 const char* kind;
1287
1288 for (i = 0; i < ntab; i++)
1289 {
1290 tab = fetch_ushort(&format);
1291 ts = (tab & 0x4000) ? fetch_ushort(&format) : 0 /* left */;
1292 switch (ts)
1293 {
1294 default: WINE_FIXME("Unknown tab style %x\n", ts);
1295 /* fall through */
1296 case 0: kind = ""; break;
1297 case 1: kind = "\\tqr"; break;
1298 case 2: kind = "\\tqc"; break;
1299 }
1300 /* FIXME: do kind */
1301 sprintf(tmp, "%s\\tx%d",
1302 kind, HLPFILE_HalfPointsToTwips(tab & 0x3FFF));
1303 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1304 }
1305 }
1306 switch (bits & 0xc00)
1307 {
1308 default: WINE_FIXME("Unsupported alignment 0xC00\n"); break;
1309 case 0: if (!HLPFILE_RtfAddControl(rd, "\\ql")) goto done; break;
1310 case 0x400: if (!HLPFILE_RtfAddControl(rd, "\\qr")) goto done; break;
1311 case 0x800: if (!HLPFILE_RtfAddControl(rd, "\\qc")) goto done; break;
1312 }
1313
1314 /* 0x1000 doesn't need space */
1315 if ((bits & 0x1000) && !HLPFILE_RtfAddControl(rd, "\\keep")) goto done;
1316 if ((bits & 0xE080) != 0)
1317 WINE_FIXME("Unsupported bits %04x, potential trouble ahead\n", bits);
1318
1319 while (text < text_end && format < format_end)
1320 {
1321 WINE_TRACE("Got text: %s (%p/%p - %p/%p)\n", wine_dbgstr_a(text), text, text_end, format, format_end);
1322 textsize = strlen(text);
1323 if (textsize)
1324 {
1325 if (rd->force_color)
1326 {
1327 if ((rd->current_link->cookie == hlp_link_popup) ?
1328 !HLPFILE_RtfAddControl(rd, "{\\uld\\cf1") :
1329 !HLPFILE_RtfAddControl(rd, "{\\ul\\cf1")) goto done;
1330 }
1331 if (!HLPFILE_RtfAddText(rd, text)) goto done;
1332 if (rd->force_color && !HLPFILE_RtfAddControl(rd, "}")) goto done;
1333 rd->char_pos += textsize;
1334 }
1335 /* else: null text, keep on storing attributes */
1336 text += textsize + 1;
1337
1338 if (*format == 0xff)
1339 {
1340 format++;
1341 break;
1342 }
1343
1344 WINE_TRACE("format=%02x\n", *format);
1345 switch (*format)
1346 {
1347 case 0x20:
1348 WINE_FIXME("NIY20\n");
1349 format += 5;
1350 break;
1351
1352 case 0x21:
1353 WINE_FIXME("NIY21\n");
1354 format += 3;
1355 break;
1356
1357 case 0x80:
1358 {
1359 unsigned font = GET_USHORT(format, 1);
1360 unsigned fs;
1361
1362 WINE_TRACE("Changing font to %d\n", font);
1363 format += 3;
1364 /* Font size in hlpfile is given in the same units as
1365 rtf control word \fs uses (half-points). */
1366 switch (rd->font_scale)
1367 {
1368 case 0: fs = page->file->fonts[font].LogFont.lfHeight - 4; break;
1369 default:
1370 case 1: fs = page->file->fonts[font].LogFont.lfHeight; break;
1371 case 2: fs = page->file->fonts[font].LogFont.lfHeight + 4; break;
1372 }
1373 /* FIXME: missing at least colors, also bold attribute looses information */
1374
1375 sprintf(tmp, "\\f%d\\cf%d\\fs%d%s%s%s%s",
1376 font, font + 2, fs,
1377 page->file->fonts[font].LogFont.lfWeight > 400 ? "\\b" : "\\b0",
1378 page->file->fonts[font].LogFont.lfItalic ? "\\i" : "\\i0",
1379 page->file->fonts[font].LogFont.lfUnderline ? "\\ul" : "\\ul0",
1380 page->file->fonts[font].LogFont.lfStrikeOut ? "\\strike" : "\\strike0");
1381 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1382 }
1383 break;
1384
1385 case 0x81:
1386 if (!HLPFILE_RtfAddControl(rd, "\\line")) goto done;
1387 format += 1;
1388 rd->char_pos++;
1389 break;
1390
1391 case 0x82:
1392 if (in_table)
1393 {
1394 if (format[1] != 0xFF)
1395 {
1396 if (!HLPFILE_RtfAddControl(rd, "\\par\\intbl")) goto done;
1397 }
1398 else
1399 {
1400 if (!HLPFILE_RtfAddControl(rd, "\\cell\\pard\\intbl")) goto done;
1401 }
1402 }
1403 else if (!HLPFILE_RtfAddControl(rd, "\\par")) goto done;
1404 format += 1;
1405 rd->char_pos++;
1406 break;
1407
1408 case 0x83:
1409 if (!HLPFILE_RtfAddControl(rd, "\\tab")) goto done;
1410 format += 1;
1411 rd->char_pos++;
1412 break;
1413
1414 #if 0
1415 case 0x84:
1416 format += 3;
1417 break;
1418 #endif
1419
1420 case 0x86:
1421 case 0x87:
1422 case 0x88:
1423 {
1424 BYTE type = format[1];
1425 LONG size;
1426
1427 /* FIXME: we don't use 'BYTE pos = (*format - 0x86);' for the image position */
1428 format += 2;
1429 size = fetch_long(&format);
1430
1431 switch (type)
1432 {
1433 case 0x22:
1434 fetch_ushort(&format); /* hot spot */
1435 /* fall thru */
1436 case 0x03:
1437 switch (GET_SHORT(format, 0))
1438 {
1439 case 0:
1440 HLPFILE_RtfAddGfxByIndex(rd, page->file, GET_SHORT(format, 2));
1441 rd->char_pos++;
1442 break;
1443 case 1:
1444 WINE_FIXME("does it work ??? %x<%u>#%u\n",
1445 GET_SHORT(format, 0),
1446 size, GET_SHORT(format, 2));
1447 HLPFILE_RtfAddGfxByAddr(rd, page->file, format + 2, size - 4);
1448 rd->char_pos++;
1449 break;
1450 default:
1451 WINE_FIXME("??? %u\n", GET_SHORT(format, 0));
1452 break;
1453 }
1454 break;
1455 case 0x05:
1456 WINE_FIXME("Got an embedded element %s\n", format + 6);
1457 break;
1458 default:
1459 WINE_FIXME("Got a type %d picture\n", type);
1460 break;
1461 }
1462 format += size;
1463 }
1464 break;
1465
1466 case 0x89:
1467 format += 1;
1468 if (!rd->current_link)
1469 WINE_FIXME("No existing link\n");
1470 rd->current_link->cpMax = rd->char_pos;
1471 rd->current_link = NULL;
1472 rd->force_color = FALSE;
1473 break;
1474
1475 case 0x8B:
1476 if (!HLPFILE_RtfAddControl(rd, "\\~")) goto done;
1477 format += 1;
1478 rd->char_pos++;
1479 break;
1480
1481 case 0x8C:
1482 if (!HLPFILE_RtfAddControl(rd, "\\_")) goto done;
1483 /* FIXME: it could be that hypen is also in input stream !! */
1484 format += 1;
1485 rd->char_pos++;
1486 break;
1487
1488 #if 0
1489 case 0xA9:
1490 format += 2;
1491 break;
1492 #endif
1493
1494 case 0xC8:
1495 case 0xCC:
1496 WINE_TRACE("macro => %s\n", format + 3);
1497 HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
1498 GET_USHORT(format, 1), 0, !(*format & 4), -1);
1499 format += 3 + GET_USHORT(format, 1);
1500 break;
1501
1502 case 0xE0:
1503 case 0xE1:
1504 WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
1505 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1506 page->file->lpszPath, -1, GET_UINT(format, 1), 1, -1);
1507
1508
1509 format += 5;
1510 break;
1511
1512 case 0xE2:
1513 case 0xE3:
1514 case 0xE6:
1515 case 0xE7:
1516 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1517 page->file->lpszPath, -1, GET_UINT(format, 1),
1518 !(*format & 4), -1);
1519 format += 5;
1520 break;
1521
1522 case 0xEA:
1523 case 0xEB:
1524 case 0xEE:
1525 case 0xEF:
1526 {
1527 char* ptr = (char*) format + 8;
1528 BYTE type = format[3];
1529 int wnd = -1;
1530
1531 switch (type)
1532 {
1533 case 1:
1534 wnd = *ptr;
1535 /* fall through */
1536 case 0:
1537 ptr = page->file->lpszPath;
1538 break;
1539 case 6:
1540 for (wnd = page->file->numWindows - 1; wnd >= 0; wnd--)
1541 {
1542 if (!strcmp(ptr, page->file->windows[wnd].name)) break;
1543 }
1544 if (wnd == -1)
1545 WINE_WARN("Couldn't find window info for %s\n", ptr);
1546 ptr += strlen(ptr) + 1;
1547 /* fall through */
1548 case 4:
1549 break;
1550 default:
1551 WINE_WARN("Unknown link type %d\n", type);
1552 break;
1553 }
1554 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1555 ptr, -1, GET_UINT(format, 4), !(*format & 4), wnd);
1556 }
1557 format += 3 + GET_USHORT(format, 1);
1558 break;
1559
1560 default:
1561 WINE_WARN("format %02x\n", *format);
1562 format++;
1563 }
1564 }
1565 }
1566 if (in_table)
1567 {
1568 if (!HLPFILE_RtfAddControl(rd, "\\row\\par\\pard\\plain")) goto done;
1569 rd->char_pos += 2;
1570 }
1571 ret = TRUE;
1572 done:
1573
1574 HeapFree(GetProcessHeap(), 0, text_base);
1575 return ret;
1576 }
1577
1578 /******************************************************************
1579 * HLPFILE_BrowsePage
1580 *
1581 */
1582 BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd,
1583 unsigned font_scale, unsigned relative)
1584 {
1585 HLPFILE *hlpfile = page->file;
1586 BYTE *buf, *end;
1587 DWORD ref = page->reference;
1588 unsigned index, old_index = -1, offset, count = 0, offs = 0;
1589 unsigned cpg, parlen;
1590 char tmp[1024];
1591 const char* ck = NULL;
1592
1593 rd->in_text = TRUE;
1594 rd->data = rd->ptr = HeapAlloc(GetProcessHeap(), 0, rd->allocated = 32768);
1595 rd->char_pos = 0;
1596 rd->first_link = rd->current_link = NULL;
1597 rd->force_color = FALSE;
1598 rd->font_scale = font_scale;
1599 rd->relative = relative;
1600 rd->char_pos_rel = 0;
1601
1602 switch (hlpfile->charset)
1603 {
1604 case DEFAULT_CHARSET:
1605 case ANSI_CHARSET: cpg = 1252; break;
1606 case SHIFTJIS_CHARSET: cpg = 932; break;
1607 case HANGEUL_CHARSET: cpg = 949; break;
1608 case GB2312_CHARSET: cpg = 936; break;
1609 case CHINESEBIG5_CHARSET: cpg = 950; break;
1610 case GREEK_CHARSET: cpg = 1253; break;
1611 case TURKISH_CHARSET: cpg = 1254; break;
1612 case HEBREW_CHARSET: cpg = 1255; break;
1613 case ARABIC_CHARSET: cpg = 1256; break;
1614 case BALTIC_CHARSET: cpg = 1257; break;
1615 case VIETNAMESE_CHARSET: cpg = 1258; break;
1616 case RUSSIAN_CHARSET: cpg = 1251; break;
1617 case EE_CHARSET: cpg = 1250; break;
1618 case THAI_CHARSET: cpg = 874; break;
1619 case JOHAB_CHARSET: cpg = 1361; break;
1620 case MAC_CHARSET: ck = "mac"; break;
1621 default:
1622 WINE_FIXME("Unsupported charset %u\n", hlpfile->charset);
1623 cpg = 1252;
1624 }
1625 if (ck)
1626 {
1627 sprintf(tmp, "{\\rtf1\\%s\\deff0", ck);
1628 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1629 }
1630 else
1631 {
1632 sprintf(tmp, "{\\rtf1\\ansi\\ansicpg%d\\deff0", cpg);
1633 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1634 }
1635
1636 /* generate font table */
1637 if (!HLPFILE_RtfAddControl(rd, "{\\fonttbl")) return FALSE;
1638 for (index = 0; index < hlpfile->numFonts; index++)
1639 {
1640 const char* family;
1641 switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
1642 {
1643 case FF_MODERN: family = "modern"; break;
1644 case FF_ROMAN: family = "roman"; break;
1645 case FF_SWISS: family = "swiss"; break;
1646 case FF_SCRIPT: family = "script"; break;
1647 case FF_DECORATIVE: family = "decor"; break;
1648 default: family = "nil"; break;
1649 }
1650 sprintf(tmp, "{\\f%d\\f%s\\fprq%d\\fcharset%d %s;}",
1651 index, family,
1652 hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0x0F,
1653 hlpfile->fonts[index].LogFont.lfCharSet,
1654 hlpfile->fonts[index].LogFont.lfFaceName);
1655 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1656 }
1657 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1658 /* generate color table */
1659 if (!HLPFILE_RtfAddControl(rd, "{\\colortbl ;\\red0\\green128\\blue0;")) return FALSE;
1660 for (index = 0; index < hlpfile->numFonts; index++)
1661 {
1662 const char* family;
1663 switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
1664 {
1665 case FF_MODERN: family = "modern"; break;
1666 case FF_ROMAN: family = "roman"; break;
1667 case FF_SWISS: family = "swiss"; break;
1668 case FF_SCRIPT: family = "script"; break;
1669 case FF_DECORATIVE: family = "decor"; break;
1670 default: family = "nil"; break;
1671 }
1672 sprintf(tmp, "\\red%d\\green%d\\blue%d;",
1673 GetRValue(hlpfile->fonts[index].color),
1674 GetGValue(hlpfile->fonts[index].color),
1675 GetBValue(hlpfile->fonts[index].color));
1676 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1677 }
1678 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1679
1680 do
1681 {
1682 if (hlpfile->version <= 16)
1683 {
1684 index = (ref - 0x0C) / hlpfile->dsize;
1685 offset = (ref - 0x0C) % hlpfile->dsize;
1686 }
1687 else
1688 {
1689 index = (ref - 0x0C) >> 14;
1690 offset = (ref - 0x0C) & 0x3FFF;
1691 }
1692
1693 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
1694 {
1695 /* we jumped to the next block, adjust pointers */
1696 ref -= 12;
1697 offset -= 12;
1698 }
1699
1700 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
1701 buf = hlpfile->topic_map[index] + offset;
1702 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
1703 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
1704 if (index != old_index) {offs = 0; old_index = index;}
1705
1706 switch (buf[0x14])
1707 {
1708 case 0x02:
1709 if (count++) goto done;
1710 break;
1711 case 0x01:
1712 case 0x20:
1713 case 0x23:
1714 if (!HLPFILE_BrowseParagraph(page, rd, buf, end, &parlen)) return FALSE;
1715 if (relative > index * 0x8000 + offs)
1716 rd->char_pos_rel = rd->char_pos;
1717 offs += parlen;
1718 break;
1719 default:
1720 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
1721 }
1722 if (hlpfile->version <= 16)
1723 {
1724 ref += GET_UINT(buf, 0xc);
1725 if (GET_UINT(buf, 0xc) == 0)
1726 break;
1727 }
1728 else
1729 ref = GET_UINT(buf, 0xc);
1730 } while (ref != 0xffffffff);
1731 done:
1732 page->first_link = rd->first_link;
1733 return HLPFILE_RtfAddControl(rd, "}");
1734 }
1735
1736 /******************************************************************
1737 * HLPFILE_ReadFont
1738 *
1739 *
1740 */
1741 static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
1742 {
1743 BYTE *ref, *end;
1744 unsigned i, len, idx;
1745 unsigned face_num, dscr_num, face_offset, dscr_offset;
1746 BYTE flag, family;
1747
1748 if (!HLPFILE_FindSubFile(hlpfile, "|FONT", &ref, &end))
1749 {
1750 WINE_WARN("no subfile FONT\n");
1751 hlpfile->numFonts = 0;
1752 hlpfile->fonts = NULL;
1753 return FALSE;
1754 }
1755
1756 ref += 9;
1757
1758 face_num = GET_USHORT(ref, 0);
1759 dscr_num = GET_USHORT(ref, 2);
1760 face_offset = GET_USHORT(ref, 4);
1761 dscr_offset = GET_USHORT(ref, 6);
1762
1763 WINE_TRACE("Got NumFacenames=%u@%u NumDesc=%u@%u\n",
1764 face_num, face_offset, dscr_num, dscr_offset);
1765
1766 hlpfile->numFonts = dscr_num;
1767 hlpfile->fonts = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_FONT) * dscr_num);
1768
1769 len = (dscr_offset - face_offset) / face_num;
1770 /* EPP for (i = face_offset; i < dscr_offset; i += len) */
1771 /* EPP WINE_FIXME("[%d]: %*s\n", i / len, len, ref + i); */
1772 for (i = 0; i < dscr_num; i++)
1773 {
1774 flag = ref[dscr_offset + i * 11 + 0];
1775 family = ref[dscr_offset + i * 11 + 2];
1776
1777 hlpfile->fonts[i].LogFont.lfHeight = ref[dscr_offset + i * 11 + 1];
1778 hlpfile->fonts[i].LogFont.lfWidth = 0;
1779 hlpfile->fonts[i].LogFont.lfEscapement = 0;
1780 hlpfile->fonts[i].LogFont.lfOrientation = 0;
1781 hlpfile->fonts[i].LogFont.lfWeight = (flag & 1) ? 700 : 400;
1782 hlpfile->fonts[i].LogFont.lfItalic = (flag & 2) ? TRUE : FALSE;
1783 hlpfile->fonts[i].LogFont.lfUnderline = (flag & 4) ? TRUE : FALSE;
1784 hlpfile->fonts[i].LogFont.lfStrikeOut = (flag & 8) ? TRUE : FALSE;
1785 hlpfile->fonts[i].LogFont.lfCharSet = hlpfile->charset;
1786 hlpfile->fonts[i].LogFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
1787 hlpfile->fonts[i].LogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1788 hlpfile->fonts[i].LogFont.lfQuality = DEFAULT_QUALITY;
1789 hlpfile->fonts[i].LogFont.lfPitchAndFamily = DEFAULT_PITCH;
1790
1791 switch (family)
1792 {
1793 case 0x01: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_MODERN; break;
1794 case 0x02: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_ROMAN; break;
1795 case 0x03: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SWISS; break;
1796 case 0x04: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SCRIPT; break;
1797 case 0x05: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_DECORATIVE; break;
1798 default: WINE_FIXME("Unknown family %u\n", family);
1799 }
1800 idx = GET_USHORT(ref, dscr_offset + i * 11 + 3);
1801
1802 if (idx < face_num)
1803 {
1804 memcpy(hlpfile->fonts[i].LogFont.lfFaceName, ref + face_offset + idx * len, min(len, LF_FACESIZE - 1));
1805 hlpfile->fonts[i].LogFont.lfFaceName[min(len, LF_FACESIZE - 1)] = '\0';
1806 }
1807 else
1808 {
1809 WINE_FIXME("Too high face ref (%u/%u)\n", idx, face_num);
1810 strcpy(hlpfile->fonts[i].LogFont.lfFaceName, "Helv");
1811 }
1812 hlpfile->fonts[i].hFont = 0;
1813 hlpfile->fonts[i].color = RGB(ref[dscr_offset + i * 11 + 5],
1814 ref[dscr_offset + i * 11 + 6],
1815 ref[dscr_offset + i * 11 + 7]);
1816 #define X(b,s) ((flag & (1 << b)) ? "-"s: "")
1817 WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
1818 i, flag,
1819 X(0, "bold"),
1820 X(1, "italic"),
1821 X(2, "underline"),
1822 X(3, "strikeOut"),
1823 X(4, "dblUnderline"),
1824 X(5, "smallCaps"),
1825 ref[dscr_offset + i * 11 + 1],
1826 family,
1827 hlpfile->fonts[i].LogFont.lfFaceName, idx,
1828 GET_UINT(ref, dscr_offset + i * 11 + 5) & 0x00FFFFFF);
1829 }
1830 return TRUE;
1831 }
1832
1833 /***********************************************************************
1834 *
1835 * HLPFILE_ReadFileToBuffer
1836 */
1837 static BOOL HLPFILE_ReadFileToBuffer(HLPFILE* hlpfile, HFILE hFile)
1838 {
1839 BYTE header[16], dummy[1];
1840
1841 if (_hread(hFile, header, 16) != 16) {WINE_WARN("header\n"); return FALSE;};
1842
1843 /* sanity checks */
1844 if (GET_UINT(header, 0) != 0x00035F3F)
1845 {WINE_WARN("wrong header\n"); return FALSE;};
1846
1847 hlpfile->file_buffer_size = GET_UINT(header, 12);
1848 hlpfile->file_buffer = HeapAlloc(GetProcessHeap(), 0, hlpfile->file_buffer_size + 1);
1849 if (!hlpfile->file_buffer) return FALSE;
1850
1851 memcpy(hlpfile->file_buffer, header, 16);
1852 if (_hread(hFile, hlpfile->file_buffer + 16, hlpfile->file_buffer_size - 16) !=hlpfile->file_buffer_size - 16)
1853 {WINE_WARN("filesize1\n"); return FALSE;};
1854
1855 if (_hread(hFile, dummy, 1) != 0) WINE_WARN("filesize2\n");
1856
1857 hlpfile->file_buffer[hlpfile->file_buffer_size] = '\0'; /* FIXME: was '0', sounds backwards to me */
1858
1859 return TRUE;
1860 }
1861
1862 /***********************************************************************
1863 *
1864 * HLPFILE_SystemCommands
1865 */
1866 static BOOL HLPFILE_SystemCommands(HLPFILE* hlpfile)
1867 {
1868 BYTE *buf, *ptr, *end;
1869 HLPFILE_MACRO *macro, **m;
1870 LPSTR p;
1871 unsigned short magic, minor, major, flags;
1872
1873 hlpfile->lpszTitle = NULL;
1874
1875 if (!HLPFILE_FindSubFile(hlpfile, "|SYSTEM", &buf, &end)) return FALSE;
1876
1877 magic = GET_USHORT(buf + 9, 0);
1878 minor = GET_USHORT(buf + 9, 2);
1879 major = GET_USHORT(buf + 9, 4);
1880 /* gen date on 4 bytes */
1881 flags = GET_USHORT(buf + 9, 10);
1882 WINE_TRACE("Got system header: magic=%04x version=%d.%d flags=%04x\n",
1883 magic, major, minor, flags);
1884 if (magic != 0x036C || major != 1)
1885 {WINE_WARN("Wrong system header\n"); return FALSE;}
1886 if (minor <= 16)
1887 {
1888 hlpfile->tbsize = 0x800;
1889 hlpfile->compressed = 0;
1890 }
1891 else if (flags == 0)
1892 {
1893 hlpfile->tbsize = 0x1000;
1894 hlpfile->compressed = 0;
1895 }
1896 else if (flags == 4)
1897 {
1898 hlpfile->tbsize = 0x1000;
1899 hlpfile->compressed = 1;
1900 }
1901 else
1902 {
1903 hlpfile->tbsize = 0x800;
1904 hlpfile->compressed = 1;
1905 }
1906
1907 if (hlpfile->compressed)
1908 hlpfile->dsize = 0x4000;
1909 else
1910 hlpfile->dsize = hlpfile->tbsize - 0x0C;
1911
1912 hlpfile->version = minor;
1913 hlpfile->flags = flags;
1914 hlpfile->charset = DEFAULT_CHARSET;
1915
1916 if (hlpfile->version <= 16)
1917 {
1918 char *str = (char*)buf + 0x15;
1919
1920 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
1921 if (!hlpfile->lpszTitle) return FALSE;
1922 lstrcpy(hlpfile->lpszTitle, str);
1923 WINE_TRACE("Title: %s\n", hlpfile->lpszTitle);
1924 /* Nothing more to parse */
1925 return TRUE;
1926 }
1927 for (ptr = buf + 0x15; ptr + 4 <= end; ptr += GET_USHORT(ptr, 2) + 4)
1928 {
1929 char *str = (char*) ptr + 4;
1930 switch (GET_USHORT(ptr, 0))
1931 {
1932 case 1:
1933 if (hlpfile->lpszTitle) {WINE_WARN("title\n"); break;}
1934 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
1935 if (!hlpfile->lpszTitle) return FALSE;
1936 lstrcpy(hlpfile->lpszTitle, str);
1937 WINE_TRACE("Title: %s\n", hlpfile->lpszTitle);
1938 break;
1939
1940 case 2:
1941 if (hlpfile->lpszCopyright) {WINE_WARN("copyright\n"); break;}
1942 hlpfile->lpszCopyright = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
1943 if (!hlpfile->lpszCopyright) return FALSE;
1944 lstrcpy(hlpfile->lpszCopyright, str);
1945 WINE_TRACE("Copyright: %s\n", hlpfile->lpszCopyright);
1946 break;
1947
1948 case 3:
1949 if (GET_USHORT(ptr, 2) != 4) {WINE_WARN("system3\n");break;}
1950 hlpfile->contents_start = GET_UINT(ptr, 4);
1951 WINE_TRACE("Setting contents start at %08lx\n", hlpfile->contents_start);
1952 break;
1953
1954 case 4:
1955 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + lstrlen(str) + 1);
1956 if (!macro) break;
1957 p = (char*)macro + sizeof(HLPFILE_MACRO);
1958 lstrcpy(p, str);
1959 macro->lpszMacro = p;
1960 macro->next = 0;
1961 for (m = &hlpfile->first_macro; *m; m = &(*m)->next);
1962 *m = macro;
1963 break;
1964
1965 case 5:
1966 if (GET_USHORT(ptr, 4 + 4) != 1)
1967 WINE_FIXME("More than one icon, picking up first\n");
1968 /* 0x16 is sizeof(CURSORICONDIR), see user32/user_private.h */
1969 hlpfile->hIcon = CreateIconFromResourceEx(ptr + 4 + 0x16,
1970 GET_USHORT(ptr, 2) - 0x16, TRUE,
1971 0x30000, 0, 0, 0);
1972 break;
1973
1974 case 6:
1975 if (GET_USHORT(ptr, 2) != 90) {WINE_WARN("system6\n");break;}
1976
1977 if (hlpfile->windows)
1978 hlpfile->windows = HeapReAlloc(GetProcessHeap(), 0, hlpfile->windows,
1979 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
1980 else
1981 hlpfile->windows = HeapAlloc(GetProcessHeap(), 0,
1982 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
1983
1984 if (hlpfile->windows)
1985 {
1986 unsigned flags = GET_USHORT(ptr, 4);
1987 HLPFILE_WINDOWINFO* wi = &hlpfile->windows[hlpfile->numWindows - 1];
1988
1989 if (flags & 0x0001) strcpy(wi->type, &str[2]);
1990 else wi->type[0] = '\0';
1991 if (flags & 0x0002) strcpy(wi->name, &str[12]);
1992 else wi->name[0] = '\0';
1993 if (flags & 0x0004) strcpy(wi->caption, &str[21]);
1994 else lstrcpynA(wi->caption, hlpfile->lpszTitle, sizeof(wi->caption));
1995 wi->origin.x = (flags & 0x0008) ? GET_USHORT(ptr, 76) : CW_USEDEFAULT;
1996 wi->origin.y = (flags & 0x0010) ? GET_USHORT(ptr, 78) : CW_USEDEFAULT;
1997 wi->size.cx = (flags & 0x0020) ? GET_USHORT(ptr, 80) : CW_USEDEFAULT;
1998 wi->size.cy = (flags & 0x0040) ? GET_USHORT(ptr, 82) : CW_USEDEFAULT;
1999 wi->style = (flags & 0x0080) ? GET_USHORT(ptr, 84) : SW_SHOW;
2000 wi->win_style = WS_OVERLAPPEDWINDOW;
2001 wi->sr_color = (flags & 0x0100) ? GET_UINT(ptr, 86) : 0xFFFFFF;
2002 wi->nsr_color = (flags & 0x0200) ? GET_UINT(ptr, 90) : 0xFFFFFF;
2003 WINE_TRACE("System-Window: flags=%c%c%c%c%c%c%c%c type=%s name=%s caption=%s (%d,%d)x(%d,%d)\n",
2004 flags & 0x0001 ? 'T' : 't',
2005 flags & 0x0002 ? 'N' : 'n',
2006 flags & 0x0004 ? 'C' : 'c',
2007 flags & 0x0008 ? 'X' : 'x',
2008 flags & 0x0010 ? 'Y' : 'y',
2009 flags & 0x0020 ? 'W' : 'w',
2010 flags & 0x0040 ? 'H' : 'h',
2011 flags & 0x0080 ? 'S' : 's',
2012 wi->type, wi->name, wi->caption, wi->origin.x, wi->origin.y,
2013 wi->size.cx, wi->size.cy);
2014 }
2015 break;
2016 case 8:
2017 WINE_WARN("Citation: '%s'\n", ptr + 4);
2018 break;
2019 case 11:
2020 hlpfile->charset = ptr[4];
2021 WINE_TRACE("Charset: %d\n", hlpfile->charset);
2022 break;
2023 default:
2024 WINE_WARN("Unsupported SystemRecord[%d]\n", GET_USHORT(ptr, 0));
2025 }
2026 }
2027 if (!hlpfile->lpszTitle)
2028 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 1);
2029 return TRUE;
2030 }
2031
2032 /***********************************************************************
2033 *
2034 * HLPFILE_GetContext
2035 */
2036 static BOOL HLPFILE_GetContext(HLPFILE *hlpfile)
2037 {
2038 BYTE *cbuf, *cend;
2039 unsigned clen;
2040
2041 if (!HLPFILE_FindSubFile(hlpfile, "|CONTEXT", &cbuf, &cend))
2042 {WINE_WARN("context0\n"); return FALSE;}
2043
2044 clen = cend - cbuf;
2045 hlpfile->Context = HeapAlloc(GetProcessHeap(), 0, clen);
2046 if (!hlpfile->Context) return FALSE;
2047 memcpy(hlpfile->Context, cbuf, clen);
2048
2049 return TRUE;
2050 }
2051
2052 /***********************************************************************
2053 *
2054 * HLPFILE_GetKeywords
2055 */
2056 static BOOL HLPFILE_GetKeywords(HLPFILE *hlpfile)
2057 {
2058 BYTE *cbuf, *cend;
2059 unsigned clen;
2060
2061 if (!HLPFILE_FindSubFile(hlpfile, "|KWBTREE", &cbuf, &cend)) return FALSE;
2062 clen = cend - cbuf;
2063 hlpfile->kwbtree = HeapAlloc(GetProcessHeap(), 0, clen);
2064 if (!hlpfile->kwbtree) return FALSE;
2065 memcpy(hlpfile->kwbtree, cbuf, clen);
2066
2067 if (!HLPFILE_FindSubFile(hlpfile, "|KWDATA", &cbuf, &cend))
2068 {
2069 WINE_ERR("corrupted help file: kwbtree present but kwdata absent\n");
2070 HeapFree(GetProcessHeap(), 0, hlpfile->kwbtree);
2071 return FALSE;
2072 }
2073 clen = cend - cbuf;
2074 hlpfile->kwdata = HeapAlloc(GetProcessHeap(), 0, clen);
2075 if (!hlpfile->kwdata)
2076 {
2077 HeapFree(GetProcessHeap(), 0, hlpfile->kwdata);
2078 return FALSE;
2079 }
2080 memcpy(hlpfile->kwdata, cbuf, clen);
2081
2082 return TRUE;
2083 }
2084
2085 /***********************************************************************
2086 *
2087 * HLPFILE_GetMap
2088 */
2089 static BOOL HLPFILE_GetMap(HLPFILE *hlpfile)
2090 {
2091 BYTE *cbuf, *cend;
2092 unsigned entries, i;
2093
2094 if (!HLPFILE_FindSubFile(hlpfile, "|CTXOMAP", &cbuf, &cend))
2095 {WINE_WARN("no map section\n"); return FALSE;}
2096
2097 entries = GET_USHORT(cbuf, 9);
2098 hlpfile->Map = HeapAlloc(GetProcessHeap(), 0, entries * sizeof(HLPFILE_MAP));
2099 if (!hlpfile->Map) return FALSE;
2100 hlpfile->wMapLen = entries;
2101 for (i = 0; i < entries; i++)
2102 {
2103 hlpfile->Map[i].lMap = GET_UINT(cbuf+11,i*8);
2104 hlpfile->Map[i].offset = GET_UINT(cbuf+11,i*8+4);
2105 }
2106 return TRUE;
2107 }
2108
2109 /***********************************************************************
2110 *
2111 * HLPFILE_GetTOMap
2112 */
2113 static BOOL HLPFILE_GetTOMap(HLPFILE *hlpfile)
2114 {
2115 BYTE *cbuf, *cend;
2116 unsigned clen;
2117
2118 if (!HLPFILE_FindSubFile(hlpfile, "|TOMAP", &cbuf, &cend))
2119 {WINE_WARN("no tomap section\n"); return FALSE;}
2120
2121 clen = cend - cbuf - 9;
2122 hlpfile->TOMap = HeapAlloc(GetProcessHeap(), 0, clen);
2123 if (!hlpfile->TOMap) return FALSE;
2124 memcpy(hlpfile->TOMap, cbuf+9, clen);
2125 hlpfile->wTOMapLen = clen/4;
2126 return TRUE;
2127 }
2128
2129 /***********************************************************************
2130 *
2131 * DeleteMacro
2132 */
2133 static void HLPFILE_DeleteMacro(HLPFILE_MACRO* macro)
2134 {
2135 HLPFILE_MACRO* next;
2136
2137 while (macro)
2138 {
2139 next = macro->next;
2140 HeapFree(GetProcessHeap(), 0, macro);
2141 macro = next;
2142 }
2143 }
2144
2145 /***********************************************************************
2146 *
2147 * DeletePage
2148 */
2149 static void HLPFILE_DeletePage(HLPFILE_PAGE* page)
2150 {
2151 HLPFILE_PAGE* next;
2152
2153 while (page)
2154 {
2155 next = page->next;
2156 HLPFILE_DeleteMacro(page->first_macro);
2157 HeapFree(GetProcessHeap(), 0, page);
2158 page = next;
2159 }
2160 }
2161
2162 /***********************************************************************
2163 *
2164 * HLPFILE_FreeHlpFile
2165 */
2166 void HLPFILE_FreeHlpFile(HLPFILE* hlpfile)
2167 {
2168 unsigned i;
2169
2170 if (!hlpfile || --hlpfile->wRefCount > 0) return;
2171
2172 if (hlpfile->next) hlpfile->next->prev = hlpfile->prev;
2173 if (hlpfile->prev) hlpfile->prev->next = hlpfile->next;
2174 else first_hlpfile = hlpfile->next;
2175
2176 if (hlpfile->numFonts)
2177 {
2178 for (i = 0; i < hlpfile->numFonts; i++)
2179 {
2180 DeleteObject(hlpfile->fonts[i].hFont);
2181 }
2182 HeapFree(GetProcessHeap(), 0, hlpfile->fonts);
2183 }
2184
2185 if (hlpfile->numBmps)
2186 {
2187 for (i = 0; i < hlpfile->numBmps; i++)
2188 {
2189 DeleteObject(hlpfile->bmps[i]);
2190 }
2191 HeapFree(GetProcessHeap(), 0, hlpfile->bmps);
2192 }
2193
2194 HLPFILE_DeletePage(hlpfile->first_page);
2195 HLPFILE_DeleteMacro(hlpfile->first_macro);
2196
2197 DestroyIcon(hlpfile->hIcon);
2198 if (hlpfile->numWindows) HeapFree(GetProcessHeap(), 0, hlpfile->windows);
2199 HeapFree(GetProcessHeap(), 0, hlpfile->Context);
2200 HeapFree(GetProcessHeap(), 0, hlpfile->Map);
2201 HeapFree(GetProcessHeap(), 0, hlpfile->lpszTitle);
2202 HeapFree(GetProcessHeap(), 0, hlpfile->lpszCopyright);
2203 HeapFree(GetProcessHeap(), 0, hlpfile->file_buffer);
2204 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2205 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2206 HeapFree(GetProcessHeap(), 0, hlpfile->topic_map);
2207 HeapFree(GetProcessHeap(), 0, hlpfile->help_on_file);
2208 HeapFree(GetProcessHeap(), 0, hlpfile);
2209 }
2210
2211 /***********************************************************************
2212 *
2213 * HLPFILE_UncompressLZ77_Phrases
2214 */
2215 static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE* hlpfile)
2216 {
2217 UINT i, num, dec_size, head_size;
2218 BYTE *buf, *end;
2219
2220 if (!HLPFILE_FindSubFile(hlpfile, "|Phrases", &buf, &end)) return FALSE;
2221
2222 if (hlpfile->version <= 16)
2223 head_size = 13;
2224 else
2225 head_size = 17;
2226
2227 num = hlpfile->num_phrases = GET_USHORT(buf, 9);
2228 if (buf + 2 * num + 0x13 >= end) {WINE_WARN("1a\n"); return FALSE;};
2229
2230 if (hlpfile->version <= 16)
2231 dec_size = end - buf - 15 - 2 * num;
2232 else
2233 dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
2234
2235 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2236 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2237 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2238 {
2239 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2240 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2241 return FALSE;
2242 }
2243
2244 for (i = 0; i <= num; i++)
2245 hlpfile->phrases_offsets[i] = GET_USHORT(buf, head_size + 2 * i) - 2 * num - 2;
2246
2247 if (hlpfile->version <= 16)
2248 memcpy(hlpfile->phrases_buffer, buf + 15 + 2*num, dec_size);
2249 else
2250 HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)hlpfile->phrases_buffer);
2251
2252 hlpfile->hasPhrases = TRUE;
2253 return TRUE;
2254 }
2255
2256 /***********************************************************************
2257 *
2258 * HLPFILE_Uncompress_Phrases40
2259 */
2260 static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE* hlpfile)
2261 {
2262 UINT num;
2263 INT dec_size, cpr_size;
2264 BYTE *buf_idx, *end_idx;
2265 BYTE *buf_phs, *end_phs;
2266 LONG* ptr, mask = 0;
2267 unsigned int i;
2268 unsigned short bc, n;
2269
2270 if (!HLPFILE_FindSubFile(hlpfile, "|PhrIndex", &buf_idx, &end_idx) ||
2271 !HLPFILE_FindSubFile(hlpfile, "|PhrImage", &buf_phs, &end_phs)) return FALSE;
2272
2273 ptr = (LONG*)(buf_idx + 9 + 28);
2274 bc = GET_USHORT(buf_idx, 9 + 24) & 0x0F;
2275 num = hlpfile->num_phrases = GET_USHORT(buf_idx, 9 + 4);
2276
2277 WINE_TRACE("Index: Magic=%08x #entries=%u CpsdSize=%u PhrImgSize=%u\n"
2278 "\tPhrImgCprsdSize=%u 0=%u bc=%x ukn=%x\n",
2279 GET_UINT(buf_idx, 9 + 0),
2280 GET_UINT(buf_idx, 9 + 4),
2281 GET_UINT(buf_idx, 9 + 8),
2282 GET_UINT(buf_idx, 9 + 12),
2283 GET_UINT(buf_idx, 9 + 16),
2284 GET_UINT(buf_idx, 9 + 20),
2285 GET_USHORT(buf_idx, 9 + 24),
2286 GET_USHORT(buf_idx, 9 + 26));
2287
2288 dec_size = GET_UINT(buf_idx, 9 + 12);
2289 cpr_size = GET_UINT(buf_idx, 9 + 16);
2290
2291 if (dec_size != cpr_size &&
2292 dec_size != HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs))
2293 {
2294 WINE_WARN("size mismatch %u %u\n",
2295 dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2296 dec_size = max(dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2297 }
2298
2299 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2300 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2301 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2302 {
2303 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2304 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2305 return FALSE;
2306 }
2307
2308 #define getbit() (ptr += (mask < 0), mask = mask*2 + (mask<=0), (*ptr & mask) != 0)
2309
2310 hlpfile->phrases_offsets[0] = 0;
2311 for (i = 0; i < num; i++)
2312 {
2313 for (n = 1; getbit(); n += 1 << bc);
2314 if (getbit()) n++;
2315 if (bc > 1 && getbit()) n += 2;
2316 if (bc > 2 && getbit()) n += 4;
2317 if (bc > 3 && getbit()) n += 8;
2318 if (bc > 4 && getbit()) n += 16;
2319 hlpfile->phrases_offsets[i + 1] = hlpfile->phrases_offsets[i] + n;
2320 }
2321 #undef getbit
2322
2323 if (dec_size == cpr_size)
2324 memcpy(hlpfile->phrases_buffer, buf_phs + 9, dec_size);
2325 else
2326 HLPFILE_UncompressLZ77(buf_phs + 9, end_phs, (BYTE*)hlpfile->phrases_buffer);
2327
2328 hlpfile->hasPhrases40 = TRUE;
2329 return TRUE;
2330 }
2331
2332 /***********************************************************************
2333 *
2334 * HLPFILE_Uncompress_Topic
2335 */
2336 static BOOL HLPFILE_Uncompress_Topic(HLPFILE* hlpfile)
2337 {
2338 BYTE *buf, *ptr, *end, *newptr;
2339 unsigned int i, newsize = 0;
2340 unsigned int topic_size;
2341
2342 if (!HLPFILE_FindSubFile(hlpfile, "|TOPIC", &buf, &end))
2343 {WINE_WARN("topic0\n"); return FALSE;}
2344
2345 buf += 9; /* Skip file header */
2346 topic_size = end - buf;
2347 if (hlpfile->compressed)
2348 {
2349 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2350
2351 for (i = 0; i < hlpfile->topic_maplen; i++)
2352 {
2353 ptr = buf + i * hlpfile->tbsize;
2354
2355 /* I don't know why, it's necessary for printman.hlp */
2356 if (ptr + 0x44 > end) ptr = end - 0x44;
2357
2358 newsize += HLPFILE_UncompressedLZ77_Size(ptr + 0xc, min(end, ptr + hlpfile->tbsize));
2359 }
2360
2361 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2362 hlpfile->topic_maplen * sizeof(hlpfile->topic_map[0]) + newsize);
2363 if (!hlpfile->topic_map) return FALSE;
2364 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2365 hlpfile->topic_end = newptr + newsize;
2366
2367 for (i = 0; i < hlpfile->topic_maplen; i++)
2368 {
2369 ptr = buf + i * hlpfile->tbsize;
2370 if (ptr + 0x44 > end) ptr = end - 0x44;
2371
2372 hlpfile->topic_map[i] = newptr;
2373 newptr = HLPFILE_UncompressLZ77(ptr + 0xc, min(end, ptr + hlpfile->tbsize), newptr);
2374 }
2375 }
2376 else
2377 {
2378 /* basically, we need to copy the TopicBlockSize byte pages
2379 * (removing the first 0x0C) in one single area in memory
2380 */
2381 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2382 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2383 hlpfile->topic_maplen * (sizeof(hlpfile->topic_map[0]) + hlpfile->dsize));
2384 if (!hlpfile->topic_map) return FALSE;
2385 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2386 hlpfile->topic_end = newptr + topic_size;
2387
2388 for (i = 0; i < hlpfile->topic_maplen; i++)
2389 {
2390 hlpfile->topic_map[i] = newptr + i * hlpfile->dsize;
2391 memcpy(hlpfile->topic_map[i], buf + i * hlpfile->tbsize + 0x0C, hlpfile->dsize);
2392 }
2393 }
2394 return TRUE;
2395 }
2396
2397 /***********************************************************************
2398 *
2399 * HLPFILE_AddPage
2400 */
2401 static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned ref, unsigned offset)
2402 {
2403 HLPFILE_PAGE* page;
2404 const BYTE* title;
2405 UINT titlesize, blocksize, datalen;
2406 char* ptr;
2407 HLPFILE_MACRO*macro;
2408
2409 blocksize = GET_UINT(buf, 0);
2410 datalen = GET_UINT(buf, 0x10);
2411 title = buf + datalen;
2412 if (title > end) {WINE_WARN("page2\n"); return FALSE;};
2413
2414 titlesize = GET_UINT(buf, 4);
2415 page = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_PAGE) + titlesize + 1);
2416 if (!page) return FALSE;
2417 page->lpszTitle = (char*)page + sizeof(HLPFILE_PAGE);
2418
2419 if (titlesize > blocksize - datalen)
2420 {
2421 /* need to decompress */
2422 if (hlpfile->hasPhrases)
2423 HLPFILE_Uncompress2(hlpfile, title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
2424 else if (hlpfile->hasPhrases40)
2425 HLPFILE_Uncompress3(hlpfile, page->lpszTitle, page->lpszTitle + titlesize, title, end);
2426 else
2427 {
2428 WINE_FIXME("Text size is too long, splitting\n");
2429 titlesize = blocksize - datalen;
2430 memcpy(page->lpszTitle, title, titlesize);
2431 }
2432 }
2433 else
2434 memcpy(page->lpszTitle, title, titlesize);
2435
2436 page->lpszTitle[titlesize] = '\0';
2437
2438 if (hlpfile->first_page)
2439 {
2440 hlpfile->last_page->next = page;
2441 page->prev = hlpfile->last_page;
2442 hlpfile->last_page = page;
2443 }
2444 else
2445 {
2446 hlpfile->first_page = page;
2447 hlpfile->last_page = page;
2448 page->prev = NULL;
2449 }
2450
2451 page->file = hlpfile;
2452 page->next = NULL;
2453 page->first_macro = NULL;
2454 page->first_link = NULL;
2455 page->wNumber = GET_UINT(buf, 0x21);
2456 page->offset = offset;
2457 page->reference = ref;
2458
2459 page->browse_bwd = GET_UINT(buf, 0x19);
2460 page->browse_fwd = GET_UINT(buf, 0x1D);
2461
2462 if (hlpfile->version <= 16)
2463 {
2464 if (page->browse_bwd == 0xFFFF || page->browse_bwd == 0xFFFFFFFF)
2465 page->browse_bwd = 0xFFFFFFFF;
2466 else
2467 page->browse_bwd = hlpfile->TOMap[page->browse_bwd];
2468
2469 if (page->browse_fwd == 0xFFFF || page->browse_fwd == 0xFFFFFFFF)
2470 page->browse_fwd = 0xFFFFFFFF;
2471 else
2472 page->browse_fwd = hlpfile->TOMap[page->browse_fwd];
2473 }
2474
2475 WINE_TRACE("Added page[%d]: title='%s' %08x << %08x >> %08x\n",
2476 page->wNumber, page->lpszTitle,
2477 page->browse_bwd, page->offset, page->browse_fwd);
2478
2479 /* now load macros */
2480 ptr = page->lpszTitle + strlen(page->lpszTitle) + 1;
2481 while (ptr < page->lpszTitle + titlesize)
2482 {
2483 unsigned len = strlen(ptr);
2484 char* macro_str;
2485
2486 WINE_TRACE("macro: %s\n", ptr);
2487 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + len + 1);
2488 macro->lpszMacro = macro_str = (char*)(macro + 1);
2489 memcpy(macro_str, ptr, len + 1);
2490 /* FIXME: shall we really link macro in reverse order ??
2491 * may produce strange results when played at page opening
2492 */
2493 macro->next = page->first_macro;
2494 page->first_macro = macro;
2495 ptr += len + 1;
2496 }
2497
2498 return TRUE;
2499 }
2500
2501 /***********************************************************************
2502 *
2503 * HLPFILE_SkipParagraph
2504 */
2505 static BOOL HLPFILE_SkipParagraph(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned* len)
2506 {
2507 const BYTE *tmp;
2508
2509 if (!hlpfile->first_page) {WINE_WARN("no page\n"); return FALSE;};
2510 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
2511
2512 tmp = buf + 0x15;
2513 if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
2514 {
2515 fetch_long(&tmp);
2516 *len = fetch_ushort(&tmp);
2517 }
2518 else *len = end-buf-15;
2519
2520 return TRUE;
2521 }
2522
2523 /***********************************************************************
2524 *
2525 * HLPFILE_DoReadHlpFile
2526 */
2527 static BOOL HLPFILE_DoReadHlpFile(HLPFILE *hlpfile, LPCSTR lpszPath)
2528 {
2529 BOOL ret;
2530 HFILE hFile;
2531 OFSTRUCT ofs;
2532 BYTE* buf;
2533 DWORD ref = 0x0C;
2534 unsigned index, old_index, offset, len, offs, topicoffset;
2535
2536 hFile = OpenFile(lpszPath, &ofs, OF_READ);
2537 if (hFile == HFILE_ERROR) return FALSE;
2538
2539 ret = HLPFILE_ReadFileToBuffer(hlpfile, hFile);
2540 _lclose(hFile);
2541 if (!ret) return FALSE;
2542
2543 if (!HLPFILE_SystemCommands(hlpfile)) return FALSE;
2544
2545 if (hlpfile->version <= 16 && !HLPFILE_GetTOMap(hlpfile)) return FALSE;
2546
2547 /* load phrases support */
2548 if (!HLPFILE_UncompressLZ77_Phrases(hlpfile))
2549 HLPFILE_Uncompress_Phrases40(hlpfile);
2550
2551 if (!HLPFILE_Uncompress_Topic(hlpfile)) return FALSE;
2552 if (!HLPFILE_ReadFont(hlpfile)) return FALSE;
2553
2554 buf = hlpfile->topic_map[0];
2555 old_index = -1;
2556 offs = 0;
2557 do
2558 {
2559 BYTE* end;
2560
2561 if (hlpfile->version <= 16)
2562 {
2563 index = (ref - 0x0C) / hlpfile->dsize;
2564 offset = (ref - 0x0C) % hlpfile->dsize;
2565 }
2566 else
2567 {
2568 index = (ref - 0x0C) >> 14;
2569 offset = (ref - 0x0C) & 0x3FFF;
2570 }
2571
2572 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
2573 {
2574 /* we jumped to the next block, adjust pointers */
2575 ref -= 12;
2576 offset -= 12;
2577 }
2578
2579 WINE_TRACE("ref=%08x => [%u/%u]\n", ref, index, offset);
2580
2581 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
2582 buf = hlpfile->topic_map[index] + offset;
2583 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
2584 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
2585 if (index != old_index) {offs = 0; old_index = index;}
2586
2587 switch (buf[0x14])
2588 {
2589 case 0x02:
2590 if (hlpfile->version <= 16)
2591 topicoffset = ref + index * 12;
2592 else
2593 topicoffset = index * 0x8000 + offs;
2594 if (!HLPFILE_AddPage(hlpfile, buf, end, ref, topicoffset)) return FALSE;
2595 break;
2596
2597 case 0x01:
2598 case 0x20:
2599 case 0x23:
2600 if (!HLPFILE_SkipParagraph(hlpfile, buf, end, &len)) return FALSE;
2601 offs += len;
2602 break;
2603
2604 default:
2605 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
2606 }
2607
2608 if (hlpfile->version <= 16)
2609 {
2610 ref += GET_UINT(buf, 0xc);
2611 if (GET_UINT(buf, 0xc) == 0)
2612 break;
2613 }
2614 else
2615 ref = GET_UINT(buf, 0xc);
2616 } while (ref != 0xffffffff);
2617
2618 HLPFILE_GetKeywords(hlpfile);
2619 HLPFILE_GetMap(hlpfile);
2620 if (hlpfile->version <= 16) return TRUE;
2621 return HLPFILE_GetContext(hlpfile);
2622 }
2623
2624 /***********************************************************************
2625 *
2626 * HLPFILE_ReadHlpFile
2627 */
2628 HLPFILE *HLPFILE_ReadHlpFile(LPCSTR lpszPath)
2629 {
2630 HLPFILE* hlpfile;
2631
2632 for (hlpfile = first_hlpfile; hlpfile; hlpfile = hlpfile->next)
2633 {
2634 if (!strcmp(lpszPath, hlpfile->lpszPath))
2635 {
2636 hlpfile->wRefCount++;
2637 return hlpfile;
2638 }
2639 }
2640
2641 hlpfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2642 sizeof(HLPFILE) + lstrlen(lpszPath) + 1);
2643 if (!hlpfile) return 0;
2644
2645 hlpfile->lpszPath = (char*)hlpfile + sizeof(HLPFILE);
2646 hlpfile->contents_start = 0xFFFFFFFF;
2647 hlpfile->next = first_hlpfile;
2648 hlpfile->wRefCount = 1;
2649
2650 strcpy(hlpfile->lpszPath, lpszPath);
2651
2652 first_hlpfile = hlpfile;
2653 if (hlpfile->next) hlpfile->next->prev = hlpfile;
2654
2655 if (!HLPFILE_DoReadHlpFile(hlpfile, lpszPath))
2656 {
2657 HLPFILE_FreeHlpFile(hlpfile);
2658 hlpfile = 0;
2659 }
2660
2661 return hlpfile;
2662 }
useful hacks and other patches not (yet) suitable for mainline