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[reactos.git] / reactos / base / applications / winhlp32 / hlpfile.c
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 "winhelp.h"
24
25 static inline unsigned short GET_USHORT(const BYTE* buffer, unsigned i)
26 {
27 return (BYTE)buffer[i] + 0x100 * (BYTE)buffer[i + 1];
28 }
29
30 static inline short GET_SHORT(const BYTE* buffer, unsigned i)
31 {
32 return (BYTE)buffer[i] + 0x100 * (signed char)buffer[i+1];
33 }
34
35 static inline unsigned GET_UINT(const BYTE* buffer, unsigned i)
36 {
37 return GET_USHORT(buffer, i) + 0x10000 * GET_USHORT(buffer, i + 2);
38 }
39
40 static HLPFILE *first_hlpfile = 0;
41
42
43 /**************************************************************************
44 * HLPFILE_BPTreeSearch
45 *
46 * Searches for an element in B+ tree
47 *
48 * PARAMS
49 * buf [I] pointer to the embedded file structured as a B+ tree
50 * key [I] pointer to data to find
51 * comp [I] compare function
52 *
53 * RETURNS
54 * Pointer to block identified by key, or NULL if failure.
55 *
56 */
57 static void* HLPFILE_BPTreeSearch(BYTE* buf, const void* key,
58 HLPFILE_BPTreeCompare comp)
59 {
60 unsigned magic;
61 unsigned page_size;
62 unsigned cur_page;
63 unsigned level;
64 BYTE *pages, *ptr, *newptr;
65 int i, entries;
66 int ret;
67
68 magic = GET_USHORT(buf, 9);
69 if (magic != 0x293B)
70 {
71 WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
72 return NULL;
73 }
74 page_size = GET_USHORT(buf, 9+4);
75 cur_page = GET_USHORT(buf, 9+26);
76 level = GET_USHORT(buf, 9+32);
77 pages = buf + 9 + 38;
78 while (--level > 0)
79 {
80 ptr = pages + cur_page*page_size;
81 entries = GET_SHORT(ptr, 2);
82 ptr += 6;
83 for (i = 0; i < entries; i++)
84 {
85 if (comp(ptr, key, 0, (void **)&newptr) > 0) break;
86 ptr = newptr;
87 }
88 cur_page = GET_USHORT(ptr-2, 0);
89 }
90 ptr = pages + cur_page*page_size;
91 entries = GET_SHORT(ptr, 2);
92 ptr += 8;
93 for (i = 0; i < entries; i++)
94 {
95 ret = comp(ptr, key, 1, (void **)&newptr);
96 if (ret == 0) return ptr;
97 if (ret > 0) return NULL;
98 ptr = newptr;
99 }
100 return NULL;
101 }
102
103 /**************************************************************************
104 * HLPFILE_BPTreeEnum
105 *
106 * Enumerates elements in B+ tree.
107 *
108 * PARAMS
109 * buf [I] pointer to the embedded file structured as a B+ tree
110 * cb [I] compare function
111 * cookie [IO] cookie for cb function
112 */
113 void HLPFILE_BPTreeEnum(BYTE* buf, HLPFILE_BPTreeCallback cb, void* cookie)
114 {
115 unsigned magic;
116 unsigned page_size;
117 unsigned cur_page;
118 unsigned level;
119 BYTE *pages, *ptr, *newptr;
120 int i, entries;
121
122 magic = GET_USHORT(buf, 9);
123 if (magic != 0x293B)
124 {
125 WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
126 return;
127 }
128 page_size = GET_USHORT(buf, 9+4);
129 cur_page = GET_USHORT(buf, 9+26);
130 level = GET_USHORT(buf, 9+32);
131 pages = buf + 9 + 38;
132 while (--level > 0)
133 {
134 ptr = pages + cur_page*page_size;
135 cur_page = GET_USHORT(ptr, 4);
136 }
137 while (cur_page != 0xFFFF)
138 {
139 ptr = pages + cur_page*page_size;
140 entries = GET_SHORT(ptr, 2);
141 ptr += 8;
142 for (i = 0; i < entries; i++)
143 {
144 cb(ptr, (void **)&newptr, cookie);
145 ptr = newptr;
146 }
147 cur_page = GET_USHORT(pages+cur_page*page_size, 6);
148 }
149 }
150
151
152 /***********************************************************************
153 *
154 * HLPFILE_UncompressedLZ77_Size
155 */
156 static INT HLPFILE_UncompressedLZ77_Size(const BYTE *ptr, const BYTE *end)
157 {
158 int i, newsize = 0;
159
160 while (ptr < end)
161 {
162 int mask = *ptr++;
163 for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
164 {
165 if (mask & 1)
166 {
167 int code = GET_USHORT(ptr, 0);
168 int len = 3 + (code >> 12);
169 newsize += len;
170 ptr += 2;
171 }
172 else newsize++, ptr++;
173 }
174 }
175
176 return newsize;
177 }
178
179 /***********************************************************************
180 *
181 * HLPFILE_UncompressLZ77
182 */
183 static BYTE *HLPFILE_UncompressLZ77(const BYTE *ptr, const BYTE *end, BYTE *newptr)
184 {
185 int i;
186
187 while (ptr < end)
188 {
189 int mask = *ptr++;
190 for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
191 {
192 if (mask & 1)
193 {
194 int code = GET_USHORT(ptr, 0);
195 int len = 3 + (code >> 12);
196 int offset = code & 0xfff;
197 /*
198 * We must copy byte-by-byte here. We cannot use memcpy nor
199 * memmove here. Just example:
200 * a[]={1,2,3,4,5,6,7,8,9,10}
201 * newptr=a+2;
202 * offset=1;
203 * We expect:
204 * {1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 11, 12}
205 */
206 for (; len>0; len--, newptr++) *newptr = *(newptr-offset-1);
207 ptr += 2;
208 }
209 else *newptr++ = *ptr++;
210 }
211 }
212
213 return newptr;
214 }
215
216 /***********************************************************************
217 *
218 * HLPFILE_Uncompress2
219 */
220
221 static void HLPFILE_Uncompress2(HLPFILE* hlpfile, const BYTE *ptr, const BYTE *end, BYTE *newptr, const BYTE *newend)
222 {
223 BYTE *phptr, *phend;
224 UINT code;
225 UINT index;
226
227 while (ptr < end && newptr < newend)
228 {
229 if (!*ptr || *ptr >= 0x10)
230 *newptr++ = *ptr++;
231 else
232 {
233 code = 0x100 * ptr[0] + ptr[1];
234 index = (code - 0x100) / 2;
235
236 phptr = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index];
237 phend = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index + 1];
238
239 if (newptr + (phend - phptr) > newend)
240 {
241 WINE_FIXME("buffer overflow %p > %p for %lu bytes\n",
242 newptr, newend, (SIZE_T)(phend - phptr));
243 return;
244 }
245 memcpy(newptr, phptr, phend - phptr);
246 newptr += phend - phptr;
247 if (code & 1) *newptr++ = ' ';
248
249 ptr += 2;
250 }
251 }
252 if (newptr > newend) WINE_FIXME("buffer overflow %p > %p\n", newptr, newend);
253 }
254
255 /******************************************************************
256 * HLPFILE_Uncompress3
257 *
258 *
259 */
260 static BOOL HLPFILE_Uncompress3(HLPFILE* hlpfile, char* dst, const char* dst_end,
261 const BYTE* src, const BYTE* src_end)
262 {
263 unsigned int idx, len;
264
265 for (; src < src_end; src++)
266 {
267 if ((*src & 1) == 0)
268 {
269 idx = *src / 2;
270 if (idx > hlpfile->num_phrases)
271 {
272 WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
273 len = 0;
274 }
275 else
276 {
277 len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
278 if (dst + len <= dst_end)
279 memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
280 }
281 }
282 else if ((*src & 0x03) == 0x01)
283 {
284 idx = (*src + 1) * 64;
285 idx += *++src;
286 if (idx > hlpfile->num_phrases)
287 {
288 WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
289 len = 0;
290 }
291 else
292 {
293 len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
294 if (dst + len <= dst_end)
295 memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
296 }
297 }
298 else if ((*src & 0x07) == 0x03)
299 {
300 len = (*src / 8) + 1;
301 if (dst + len <= dst_end)
302 memcpy(dst, src + 1, len);
303 src += len;
304 }
305 else
306 {
307 len = (*src / 16) + 1;
308 if (dst + len <= dst_end)
309 memset(dst, ((*src & 0x0F) == 0x07) ? ' ' : 0, len);
310 }
311 dst += len;
312 }
313
314 if (dst > dst_end) WINE_ERR("buffer overflow (%p > %p)\n", dst, dst_end);
315 return TRUE;
316 }
317
318 /******************************************************************
319 * HLPFILE_UncompressRLE
320 *
321 *
322 */
323 static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE* dst, unsigned dstsz)
324 {
325 BYTE ch;
326 BYTE* sdst = dst + dstsz;
327
328 while (src < end)
329 {
330 ch = *src++;
331 if (ch & 0x80)
332 {
333 ch &= 0x7F;
334 if (dst + ch <= sdst)
335 memcpy(dst, src, ch);
336 src += ch;
337 }
338 else
339 {
340 if (dst + ch <= sdst)
341 memset(dst, (char)*src, ch);
342 src++;
343 }
344 dst += ch;
345 }
346 if (dst != sdst)
347 WINE_WARN("Buffer X-flow: d(%lu) instead of d(%u)\n",
348 (SIZE_T)(dst - (sdst - dstsz)), dstsz);
349 }
350
351
352 /******************************************************************
353 * HLPFILE_PageByOffset
354 *
355 *
356 */
357 HLPFILE_PAGE *HLPFILE_PageByOffset(HLPFILE* hlpfile, LONG offset, ULONG* relative)
358 {
359 HLPFILE_PAGE* page;
360 HLPFILE_PAGE* found;
361
362 if (!hlpfile) return 0;
363
364 WINE_TRACE("<%s>[%x]\n", debugstr_a(hlpfile->lpszPath), offset);
365
366 if (offset == 0xFFFFFFFF) return NULL;
367 page = NULL;
368
369 for (found = NULL, page = hlpfile->first_page; page; page = page->next)
370 {
371 if (page->offset <= offset && (!found || found->offset < page->offset))
372 {
373 *relative = offset - page->offset;
374 found = page;
375 }
376 }
377 if (!found)
378 WINE_ERR("Page of offset %u not found in file %s\n",
379 offset, debugstr_a(hlpfile->lpszPath));
380 return found;
381 }
382
383 /***********************************************************************
384 *
385 * HLPFILE_Contents
386 */
387 static HLPFILE_PAGE* HLPFILE_Contents(HLPFILE *hlpfile, ULONG* relative)
388 {
389 HLPFILE_PAGE* page = NULL;
390
391 if (!hlpfile) return NULL;
392
393 page = HLPFILE_PageByOffset(hlpfile, hlpfile->contents_start, relative);
394 if (!page)
395 {
396 page = hlpfile->first_page;
397 *relative = 0;
398 }
399 return page;
400 }
401
402 /**************************************************************************
403 * comp_PageByHash
404 *
405 * HLPFILE_BPTreeCompare function for '|CONTEXT' B+ tree file
406 *
407 */
408 static int comp_PageByHash(void *p, const void *key,
409 int leaf, void** next)
410 {
411 LONG lKey = (LONG_PTR)key;
412 LONG lTest = (INT)GET_UINT(p, 0);
413
414 *next = (char *)p+(leaf?8:6);
415 WINE_TRACE("Comparing '%d' with '%d'\n", lKey, lTest);
416 if (lTest < lKey) return -1;
417 if (lTest > lKey) return 1;
418 return 0;
419 }
420
421 /***********************************************************************
422 *
423 * HLPFILE_PageByHash
424 */
425 HLPFILE_PAGE *HLPFILE_PageByHash(HLPFILE* hlpfile, LONG lHash, ULONG* relative)
426 {
427 BYTE *ptr;
428
429 if (!hlpfile) return NULL;
430 if (!lHash) return HLPFILE_Contents(hlpfile, relative);
431
432 WINE_TRACE("<%s>[%x]\n", debugstr_a(hlpfile->lpszPath), lHash);
433
434 /* For win 3.0 files hash values are really page numbers */
435 if (hlpfile->version <= 16)
436 {
437 if (lHash >= hlpfile->wTOMapLen) return NULL;
438 return HLPFILE_PageByOffset(hlpfile, hlpfile->TOMap[lHash], relative);
439 }
440
441 ptr = HLPFILE_BPTreeSearch(hlpfile->Context, LongToPtr(lHash), comp_PageByHash);
442 if (!ptr)
443 {
444 WINE_ERR("Page of hash %x not found in file %s\n", lHash, debugstr_a(hlpfile->lpszPath));
445 return NULL;
446 }
447
448 return HLPFILE_PageByOffset(hlpfile, GET_UINT(ptr, 4), relative);
449 }
450
451 /***********************************************************************
452 *
453 * HLPFILE_PageByMap
454 */
455 HLPFILE_PAGE *HLPFILE_PageByMap(HLPFILE* hlpfile, LONG lMap, ULONG* relative)
456 {
457 unsigned int i;
458
459 if (!hlpfile) return 0;
460
461 WINE_TRACE("<%s>[%x]\n", debugstr_a(hlpfile->lpszPath), lMap);
462
463 for (i = 0; i < hlpfile->wMapLen; i++)
464 {
465 if (hlpfile->Map[i].lMap == lMap)
466 return HLPFILE_PageByOffset(hlpfile, hlpfile->Map[i].offset, relative);
467 }
468
469 WINE_ERR("Page of Map %x not found in file %s\n", lMap, debugstr_a(hlpfile->lpszPath));
470 return NULL;
471 }
472
473 /**************************************************************************
474 * comp_FindSubFile
475 *
476 * HLPFILE_BPTreeCompare function for HLPFILE directory.
477 *
478 */
479 static int comp_FindSubFile(void *p, const void *key,
480 int leaf, void** next)
481 {
482 *next = (char *)p+strlen(p)+(leaf?5:3);
483 WINE_TRACE("Comparing %s with %s\n", debugstr_a((char *)p), debugstr_a((const char *)key));
484 return strcmp(p, key);
485 }
486
487 /***********************************************************************
488 *
489 * HLPFILE_FindSubFile
490 */
491 static BOOL HLPFILE_FindSubFile(HLPFILE* hlpfile, LPCSTR name, BYTE **subbuf, BYTE **subend)
492 {
493 BYTE *ptr;
494
495 WINE_TRACE("looking for file %s\n", debugstr_a(name));
496 ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
497 name, comp_FindSubFile);
498 if (!ptr)
499 { /* Subfiles with bitmap images are usually prefixed with '|', but sometimes not.
500 Unfortunately, there is no consensus among different pieces of unofficial
501 documentation. So remove leading '|' and try again. */
502 CHAR c = *name++;
503 if (c == '|')
504 {
505 WINE_TRACE("not found. try %s\n", debugstr_a(name));
506 ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
507 name, comp_FindSubFile);
508 }
509 }
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", debugstr_a(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", debugstr_a(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", debugstr_a(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 WINE_TRACE("%s\n", debugstr_a(str));
697 if (*str == '\\' || *str == '{') rd->in_text = FALSE;
698 else if (*str == '}') rd->in_text = TRUE;
699 return HLPFILE_RtfAddRawString(rd, str, strlen(str));
700 }
701
702 static BOOL HLPFILE_RtfAddText(struct RtfData* rd, const char* str)
703 {
704 const char* p;
705 const char* last;
706 const char* replace;
707 unsigned rlen;
708
709 if (!rd->in_text)
710 {
711 if (!HLPFILE_RtfAddRawString(rd, " ", 1)) return FALSE;
712 rd->in_text = TRUE;
713 }
714 for (last = p = str; *p; p++)
715 {
716 if (*p & 0x80) /* escape non-ASCII chars */
717 {
718 static char xx[8];
719 rlen = sprintf(xx, "\\'%x", *(const BYTE*)p);
720 replace = xx;
721 }
722 else switch (*p)
723 {
724 case '{': rlen = 2; replace = "\\{"; break;
725 case '}': rlen = 2; replace = "\\}"; break;
726 case '\\': rlen = 2; replace = "\\\\"; break;
727 default: continue;
728 }
729 if ((p != last && !HLPFILE_RtfAddRawString(rd, last, p - last)) ||
730 !HLPFILE_RtfAddRawString(rd, replace, rlen)) return FALSE;
731 last = p + 1;
732 }
733 return HLPFILE_RtfAddRawString(rd, last, p - last);
734 }
735
736 /******************************************************************
737 * RtfAddHexBytes
738 *
739 */
740 static BOOL HLPFILE_RtfAddHexBytes(struct RtfData* rd, const void* _ptr, unsigned sz)
741 {
742 char tmp[512];
743 unsigned i, step;
744 const BYTE* ptr = _ptr;
745 static const char* _2hex = "0123456789abcdef";
746
747 if (!rd->in_text)
748 {
749 if (!HLPFILE_RtfAddRawString(rd, " ", 1)) return FALSE;
750 rd->in_text = TRUE;
751 }
752 for (; sz; sz -= step)
753 {
754 step = min(256, sz);
755 for (i = 0; i < step; i++)
756 {
757 tmp[2 * i + 0] = _2hex[*ptr >> 4];
758 tmp[2 * i + 1] = _2hex[*ptr++ & 0xF];
759 }
760 if (!HLPFILE_RtfAddRawString(rd, tmp, 2 * step)) return FALSE;
761 }
762 return TRUE;
763 }
764
765 static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
766 const char* str, unsigned len, LONG hash,
767 BOOL clrChange, BOOL bHotSpot, unsigned wnd);
768
769 /******************************************************************
770 * HLPFILE_AddHotSpotLinks
771 *
772 */
773 static void HLPFILE_AddHotSpotLinks(struct RtfData* rd, HLPFILE* file,
774 const BYTE* start, ULONG hs_size, ULONG hs_offset)
775 {
776 unsigned i, hs_num;
777 ULONG hs_macro;
778 const char* str;
779
780 if (hs_size == 0 || hs_offset == 0) return;
781
782 start += hs_offset;
783 /* always 1 ?? */
784 hs_num = GET_USHORT(start, 1);
785 hs_macro = GET_UINT(start, 3);
786
787 str = (const char*)start + 7 + 15 * hs_num + hs_macro;
788 /* FIXME: should use hs_size to prevent out of bounds reads */
789 for (i = 0; i < hs_num; i++)
790 {
791 HLPFILE_HOTSPOTLINK* hslink;
792
793 WINE_TRACE("%02x-%02x%02x {%s,%s}\n",
794 start[7 + 15 * i + 0], start[7 + 15 * i + 1], start[7 + 15 * i + 2],
795 debugstr_a(str), debugstr_a(str + strlen(str) + 1));
796 /* str points to two null terminated strings:
797 * hotspot name, then link name
798 */
799 str += strlen(str) + 1; /* skip hotspot name */
800
801 hslink = NULL;
802 switch (start[7 + 15 * i + 0])
803 /* The next two chars always look like 0x04 0x00 ???
804 * What are they for ?
805 */
806 {
807 case 0xC8:
808 hslink = (HLPFILE_HOTSPOTLINK*)
809 HLPFILE_AllocLink(rd, hlp_link_macro, str, -1, 0, FALSE, TRUE, -1);
810 break;
811
812 case 0xE6:
813 case 0xE7:
814 hslink = (HLPFILE_HOTSPOTLINK*)
815 HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
816 file->lpszPath, -1, HLPFILE_Hash(str),
817 FALSE, TRUE, -1);
818 break;
819
820 case 0xEE:
821 case 0xEF:
822 {
823 const char* win = strchr(str, '>');
824 int wnd = -1;
825 char* tgt = NULL;
826
827 if (win)
828 {
829 for (wnd = file->numWindows - 1; wnd >= 0; wnd--)
830 {
831 if (!strcmp(win + 1, file->windows[wnd].name)) break;
832 }
833 if (wnd == -1)
834 WINE_WARN("Couldn't find window info for %s\n", debugstr_a(win));
835 if ((tgt = HeapAlloc(GetProcessHeap(), 0, win - str + 1)))
836 {
837 memcpy(tgt, str, win - str);
838 tgt[win - str] = '\0';
839 }
840 }
841 hslink = (HLPFILE_HOTSPOTLINK*)
842 HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
843 file->lpszPath, -1, HLPFILE_Hash(tgt ? tgt : str), FALSE, TRUE, wnd);
844 HeapFree(GetProcessHeap(), 0, tgt);
845 break;
846 }
847 default:
848 WINE_FIXME("unknown hotsport target 0x%x\n", start[7 + 15 * i + 0]);
849 }
850 if (hslink)
851 {
852 hslink->x = GET_USHORT(start, 7 + 15 * i + 3);
853 hslink->y = GET_USHORT(start, 7 + 15 * i + 5);
854 hslink->width = GET_USHORT(start, 7 + 15 * i + 7);
855 hslink->height = GET_USHORT(start, 7 + 15 * i + 9);
856 /* target = GET_UINT(start, 7 + 15 * i + 11); */
857 }
858 str += strlen(str) + 1;
859 }
860 }
861
862 /******************************************************************
863 * HLPFILE_RtfAddTransparentBitmap
864 *
865 * We'll transform a transparent bitmap into an metafile that
866 * we then transform into RTF
867 */
868 static BOOL HLPFILE_RtfAddTransparentBitmap(struct RtfData* rd, const BITMAPINFO* bi,
869 const void* pict, unsigned nc)
870 {
871 HDC hdc, hdcMask, hdcMem, hdcEMF;
872 HBITMAP hbm, hbmMask, hbmOldMask, hbmOldMem;
873 HENHMETAFILE hEMF;
874 BOOL ret = FALSE;
875 void* data;
876 UINT sz;
877
878 hbm = CreateDIBitmap(hdc = GetDC(0), &bi->bmiHeader,
879 CBM_INIT, pict, bi, DIB_RGB_COLORS);
880
881 hdcMem = CreateCompatibleDC(hdc);
882 hbmOldMem = SelectObject(hdcMem, hbm);
883
884 /* create the mask bitmap from the main bitmap */
885 hdcMask = CreateCompatibleDC(hdc);
886 hbmMask = CreateBitmap(bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, 1, 1, NULL);
887 hbmOldMask = SelectObject(hdcMask, hbmMask);
888 SetBkColor(hdcMem,
889 RGB(bi->bmiColors[nc - 1].rgbRed,
890 bi->bmiColors[nc - 1].rgbGreen,
891 bi->bmiColors[nc - 1].rgbBlue));
892 BitBlt(hdcMask, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCCOPY);
893
894 /* sets to RGB(0,0,0) the transparent bits in main bitmap */
895 SetBkColor(hdcMem, RGB(0,0,0));
896 SetTextColor(hdcMem, RGB(255,255,255));
897 BitBlt(hdcMem, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMask, 0, 0, SRCAND);
898
899 SelectObject(hdcMask, hbmOldMask);
900 DeleteDC(hdcMask);
901
902 SelectObject(hdcMem, hbmOldMem);
903 DeleteDC(hdcMem);
904
905 /* we create the bitmap on the fly */
906 hdcEMF = CreateEnhMetaFileW(NULL, NULL, NULL, NULL);
907 hdcMem = CreateCompatibleDC(hdcEMF);
908
909 /* sets to RGB(0,0,0) the transparent bits in final bitmap */
910 hbmOldMem = SelectObject(hdcMem, hbmMask);
911 SetBkColor(hdcEMF, RGB(255, 255, 255));
912 SetTextColor(hdcEMF, RGB(0, 0, 0));
913 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCAND);
914
915 /* and copy the remaining bits of main bitmap */
916 SelectObject(hdcMem, hbm);
917 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCPAINT);
918 SelectObject(hdcMem, hbmOldMem);
919 DeleteDC(hdcMem);
920
921 /* do the cleanup */
922 ReleaseDC(0, hdc);
923 DeleteObject(hbmMask);
924 DeleteObject(hbm);
925
926 hEMF = CloseEnhMetaFile(hdcEMF);
927
928 /* generate rtf stream */
929 sz = GetEnhMetaFileBits(hEMF, 0, NULL);
930 if (sz && (data = HeapAlloc(GetProcessHeap(), 0, sz)))
931 {
932 if (sz == GetEnhMetaFileBits(hEMF, sz, data))
933 {
934 ret = HLPFILE_RtfAddControl(rd, "{\\pict\\emfblip") &&
935 HLPFILE_RtfAddHexBytes(rd, data, sz) &&
936 HLPFILE_RtfAddControl(rd, "}");
937 }
938 HeapFree(GetProcessHeap(), 0, data);
939 }
940 DeleteEnhMetaFile(hEMF);
941
942 return ret;
943 }
944
945 /******************************************************************
946 * HLPFILE_RtfAddBitmap
947 *
948 */
949 static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE type, BYTE pack)
950 {
951 const BYTE* ptr;
952 const BYTE* pict_beg;
953 BYTE* alloc = NULL;
954 BITMAPINFO* bi;
955 ULONG off, csz;
956 unsigned nc = 0;
957 BOOL clrImportant = FALSE;
958 BOOL ret = FALSE;
959 char tmp[256];
960 unsigned hs_size, hs_offset;
961
962 bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
963 if (!bi) return FALSE;
964
965 ptr = beg + 2; /* for type and pack */
966
967 bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
968 bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
969 bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
970 bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
971 bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
972 bi->bmiHeader.biWidth = fetch_ulong(&ptr);
973 bi->bmiHeader.biHeight = fetch_ulong(&ptr);
974 bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
975 clrImportant = fetch_ulong(&ptr);
976 bi->bmiHeader.biClrImportant = (clrImportant > 1) ? clrImportant : 0;
977 bi->bmiHeader.biCompression = BI_RGB;
978 if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
979 if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
980 bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
981 WINE_TRACE("planes=%d bc=%d size=(%d,%d)\n",
982 bi->bmiHeader.biPlanes, bi->bmiHeader.biBitCount,
983 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
984
985 csz = fetch_ulong(&ptr);
986 hs_size = fetch_ulong(&ptr);
987
988 off = GET_UINT(ptr, 0); ptr += 4;
989 hs_offset = GET_UINT(ptr, 0); ptr += 4;
990 HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
991
992 /* now read palette info */
993 if (type == 0x06)
994 {
995 unsigned i;
996
997 nc = bi->bmiHeader.biClrUsed;
998 /* not quite right, especially for bitfields type of compression */
999 if (!nc && bi->bmiHeader.biBitCount <= 8)
1000 nc = 1 << bi->bmiHeader.biBitCount;
1001
1002 bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
1003 if (!bi) return FALSE;
1004 for (i = 0; i < nc; i++)
1005 {
1006 bi->bmiColors[i].rgbBlue = ptr[0];
1007 bi->bmiColors[i].rgbGreen = ptr[1];
1008 bi->bmiColors[i].rgbRed = ptr[2];
1009 bi->bmiColors[i].rgbReserved = 0;
1010 ptr += 4;
1011 }
1012 }
1013 pict_beg = HLPFILE_DecompressGfx(beg + off, csz, bi->bmiHeader.biSizeImage, pack, &alloc);
1014
1015 if (clrImportant == 1 && nc > 0)
1016 {
1017 ret = HLPFILE_RtfAddTransparentBitmap(rd, bi, pict_beg, nc);
1018 goto done;
1019 }
1020 if (!HLPFILE_RtfAddControl(rd, "{\\pict")) goto done;
1021 if (type == 0x06)
1022 {
1023 sprintf(tmp, "\\dibitmap0\\picw%d\\pich%d",
1024 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
1025 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1026 if (!HLPFILE_RtfAddHexBytes(rd, bi, sizeof(*bi) + nc * sizeof(RGBQUAD))) goto done;
1027 }
1028 else
1029 {
1030 sprintf(tmp, "\\wbitmap0\\wbmbitspixel%d\\wbmplanes%d\\picw%d\\pich%d",
1031 bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes,
1032 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
1033 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1034 }
1035 if (!HLPFILE_RtfAddHexBytes(rd, pict_beg, bi->bmiHeader.biSizeImage)) goto done;
1036 if (!HLPFILE_RtfAddControl(rd, "}")) goto done;
1037
1038 ret = TRUE;
1039 done:
1040 HeapFree(GetProcessHeap(), 0, bi);
1041 HeapFree(GetProcessHeap(), 0, alloc);
1042
1043 return ret;
1044 }
1045
1046 /******************************************************************
1047 * HLPFILE_RtfAddMetaFile
1048 *
1049 */
1050 static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE pack)
1051 {
1052 ULONG size, csize, off, hs_offset, hs_size;
1053 const BYTE* ptr;
1054 const BYTE* bits;
1055 BYTE* alloc = NULL;
1056 char tmp[256];
1057 unsigned mm;
1058 BOOL ret;
1059
1060 WINE_TRACE("Loading metafile\n");
1061
1062 ptr = beg + 2; /* for type and pack */
1063
1064 mm = fetch_ushort(&ptr); /* mapping mode */
1065 sprintf(tmp, "{\\pict\\wmetafile%u\\picw%u\\pich%u",
1066 mm, GET_USHORT(ptr, 0), GET_USHORT(ptr, 2));
1067 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1068 ptr += 4;
1069
1070 size = fetch_ulong(&ptr); /* decompressed size */
1071 csize = fetch_ulong(&ptr); /* compressed size */
1072 hs_size = fetch_ulong(&ptr); /* hotspot size */
1073 off = GET_UINT(ptr, 0);
1074 hs_offset = GET_UINT(ptr, 4);
1075 ptr += 8;
1076
1077 HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
1078
1079 WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u/%u\n",
1080 size, csize, off, (ULONG)(ptr - beg), hs_size, hs_offset);
1081
1082 bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack, &alloc);
1083 if (!bits) return FALSE;
1084
1085 ret = HLPFILE_RtfAddHexBytes(rd, bits, size) &&
1086 HLPFILE_RtfAddControl(rd, "}");
1087
1088 HeapFree(GetProcessHeap(), 0, alloc);
1089
1090 return ret;
1091 }
1092
1093 /******************************************************************
1094 * HLPFILE_RtfAddGfxByAddr
1095 *
1096 */
1097 static BOOL HLPFILE_RtfAddGfxByAddr(struct RtfData* rd, HLPFILE *hlpfile,
1098 const BYTE* ref, ULONG size)
1099 {
1100 unsigned i, numpict;
1101
1102 numpict = GET_USHORT(ref, 2);
1103 WINE_TRACE("Got picture magic=%04x #=%d\n", GET_USHORT(ref, 0), numpict);
1104
1105 for (i = 0; i < numpict; i++)
1106 {
1107 const BYTE* beg;
1108 const BYTE* ptr;
1109 BYTE type, pack;
1110
1111 WINE_TRACE("Offset[%d] = %x\n", i, GET_UINT(ref, (1 + i) * 4));
1112 beg = ptr = ref + GET_UINT(ref, (1 + i) * 4);
1113
1114 type = *ptr++;
1115 pack = *ptr++;
1116
1117 switch (type)
1118 {
1119 case 5: /* device dependent bmp */
1120 case 6: /* device independent bmp */
1121 HLPFILE_RtfAddBitmap(rd, hlpfile, beg, type, pack);
1122 break;
1123 case 8:
1124 HLPFILE_RtfAddMetaFile(rd, hlpfile, beg, pack);
1125 break;
1126 default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
1127 }
1128
1129 /* FIXME: hotspots */
1130
1131 /* FIXME: implement support for multiple picture format */
1132 if (numpict != 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
1133 break;
1134 }
1135 return TRUE;
1136 }
1137
1138 /******************************************************************
1139 * HLPFILE_RtfAddGfxByIndex
1140 *
1141 *
1142 */
1143 static BOOL HLPFILE_RtfAddGfxByIndex(struct RtfData* rd, HLPFILE *hlpfile,
1144 unsigned index)
1145 {
1146 char tmp[16];
1147 BYTE *ref, *end;
1148
1149 WINE_TRACE("Loading picture #%d\n", index);
1150
1151 sprintf(tmp, "|bm%u", index);
1152
1153 if (!HLPFILE_FindSubFile(hlpfile, tmp, &ref, &end)) {WINE_WARN("no sub file\n"); return FALSE;}
1154
1155 ref += 9;
1156 return HLPFILE_RtfAddGfxByAddr(rd, hlpfile, ref, end - ref);
1157 }
1158
1159 /******************************************************************
1160 * HLPFILE_AllocLink
1161 *
1162 *
1163 */
1164 static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
1165 const char* str, unsigned len, LONG hash,
1166 BOOL clrChange, BOOL bHotSpot, unsigned wnd)
1167 {
1168 HLPFILE_LINK* link;
1169 char* link_str;
1170 unsigned asz = bHotSpot ? sizeof(HLPFILE_HOTSPOTLINK) : sizeof(HLPFILE_LINK);
1171
1172 /* FIXME: should build a string table for the attributes.link.lpszPath
1173 * they are reallocated for each link
1174 */
1175 if (len == -1) len = strlen(str);
1176 link = HeapAlloc(GetProcessHeap(), 0, asz + len + 1);
1177 if (!link) return NULL;
1178
1179 link->cookie = cookie;
1180 link->string = link_str = (char*)link + asz;
1181 memcpy(link_str, str, len);
1182 link_str[len] = '\0';
1183 link->hash = hash;
1184 link->bClrChange = clrChange;
1185 link->bHotSpot = bHotSpot;
1186 link->window = wnd;
1187 link->next = rd->first_link;
1188 rd->first_link = link;
1189 link->cpMin = rd->char_pos;
1190 rd->force_color = clrChange;
1191 if (rd->current_link) WINE_FIXME("Pending link\n");
1192 if (bHotSpot)
1193 link->cpMax = rd->char_pos;
1194 else
1195 rd->current_link = link;
1196
1197 WINE_TRACE("Link[%d] to %s@%08x:%d\n",
1198 link->cookie, debugstr_a(link->string), link->hash, link->window);
1199 return link;
1200 }
1201
1202 static unsigned HLPFILE_HalfPointsScale(HLPFILE_PAGE* page, unsigned pts)
1203 {
1204 return pts * page->file->scale - page->file->rounderr;
1205 }
1206
1207 /***********************************************************************
1208 *
1209 * HLPFILE_BrowseParagraph
1210 */
1211 static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
1212 BYTE *buf, BYTE* end, unsigned* parlen)
1213 {
1214 UINT textsize;
1215 const BYTE *format, *format_end;
1216 char *text, *text_base, *text_end;
1217 LONG size, blocksize, datalen;
1218 unsigned short bits;
1219 unsigned ncol = 1;
1220 short nc, lastcol, table_width;
1221 char tmp[256];
1222 BOOL ret = FALSE;
1223
1224 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
1225
1226 *parlen = 0;
1227 blocksize = GET_UINT(buf, 0);
1228 size = GET_UINT(buf, 0x4);
1229 datalen = GET_UINT(buf, 0x10);
1230 text = text_base = HeapAlloc(GetProcessHeap(), 0, size);
1231 if (!text) return FALSE;
1232 if (size > blocksize - datalen)
1233 {
1234 /* need to decompress */
1235 if (page->file->hasPhrases)
1236 HLPFILE_Uncompress2(page->file, buf + datalen, end, (BYTE*)text, (BYTE*)text + size);
1237 else if (page->file->hasPhrases40)
1238 HLPFILE_Uncompress3(page->file, text, text + size, buf + datalen, end);
1239 else
1240 {
1241 WINE_FIXME("Text size is too long, splitting\n");
1242 size = blocksize - datalen;
1243 memcpy(text, buf + datalen, size);
1244 }
1245 }
1246 else
1247 memcpy(text, buf + datalen, size);
1248
1249 text_end = text + size;
1250
1251 format = buf + 0x15;
1252 format_end = buf + GET_UINT(buf, 0x10);
1253
1254 WINE_TRACE("Record type (buf[0x14]) = 0x%x\n", buf[0x14]);
1255
1256 if (buf[0x14] == HLP_DISPLAY || buf[0x14] == HLP_TABLE)
1257 {
1258 fetch_long(&format);
1259 *parlen = fetch_ushort(&format);
1260 }
1261
1262 if (buf[0x14] == HLP_TABLE)
1263 {
1264 unsigned char type;
1265
1266 ncol = *format++;
1267
1268 if (!HLPFILE_RtfAddControl(rd, "\\trowd")) goto done;
1269 type = *format++;
1270 if (type == 0 || type == 2)
1271 {
1272 table_width = GET_SHORT(format, 0);
1273 format += 2;
1274 if (!HLPFILE_RtfAddControl(rd, "\\trqc")) goto done;
1275 }
1276 else
1277 table_width = 32767;
1278 WINE_TRACE("New table: cols=%d type=%x width=%d\n",
1279 ncol, type, table_width);
1280 if (ncol > 1)
1281 {
1282 int pos;
1283 sprintf(tmp, "\\trgaph%d\\trleft%d",
1284 MulDiv(HLPFILE_HalfPointsScale(page, GET_SHORT(format, 6)), table_width, 32767),
1285 MulDiv(HLPFILE_HalfPointsScale(page, GET_SHORT(format, 2) - GET_SHORT(format, 6)), table_width, 32767) - 1);
1286 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1287 pos = GET_SHORT(format, 6) / 2;
1288 for (nc = 0; nc < ncol; nc++)
1289 {
1290 WINE_TRACE("column(%d/%d) gap=%d width=%d\n",
1291 nc, ncol, GET_SHORT(format, nc*4),
1292 GET_SHORT(format, nc*4+2));
1293 pos += GET_SHORT(format, nc * 4) + GET_SHORT(format, nc * 4 + 2);
1294 sprintf(tmp, "\\cellx%d",
1295 MulDiv(HLPFILE_HalfPointsScale(page, pos), table_width, 32767));
1296 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1297 }
1298 }
1299 else
1300 {
1301 WINE_TRACE("column(0/%d) gap=%d width=%d\n",
1302 ncol, GET_SHORT(format, 0), GET_SHORT(format, 2));
1303 sprintf(tmp, "\\trleft%d\\cellx%d ",
1304 MulDiv(HLPFILE_HalfPointsScale(page, GET_SHORT(format, 2)), table_width, 32767) - 1,
1305 MulDiv(HLPFILE_HalfPointsScale(page, GET_SHORT(format, 0)), table_width, 32767));
1306 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1307 }
1308 format += ncol * 4;
1309 }
1310
1311 lastcol = -1;
1312 for (nc = 0; nc < ncol; /**/)
1313 {
1314 WINE_TRACE("looking for format at offset %lu in column %d\n", (SIZE_T)(format - (buf + 0x15)), nc);
1315 if (!HLPFILE_RtfAddControl(rd, "\\pard")) goto done;
1316 if (buf[0x14] == HLP_TABLE)
1317 {
1318 nc = lastcol = GET_SHORT(format, 0);
1319 if (nc == -1) /* last column */
1320 {
1321 if (!HLPFILE_RtfAddControl(rd, "\\row")) goto done;
1322 rd->char_pos += 2;
1323 break;
1324 }
1325 format += 5;
1326 if (!HLPFILE_RtfAddControl(rd, "\\intbl")) goto done;
1327 }
1328 else nc++;
1329 if (buf[0x14] == HLP_DISPLAY30)
1330 format += 6;
1331 else
1332 format += 4;
1333 bits = GET_USHORT(format, 0); format += 2;
1334 if (bits & 0x0001) fetch_long(&format);
1335 if (bits & 0x0002)
1336 {
1337 sprintf(tmp, "\\sb%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1338 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1339 }
1340 if (bits & 0x0004)
1341 {
1342 sprintf(tmp, "\\sa%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1343 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1344 }
1345 if (bits & 0x0008)
1346 {
1347 sprintf(tmp, "\\sl%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1348 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1349 }
1350 if (bits & 0x0010)
1351 {
1352 sprintf(tmp, "\\li%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1353 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1354 }
1355 if (bits & 0x0020)
1356 {
1357 sprintf(tmp, "\\ri%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1358 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1359 }
1360 if (bits & 0x0040)
1361 {
1362 sprintf(tmp, "\\fi%d", HLPFILE_HalfPointsScale(page, fetch_short(&format)));
1363 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1364 }
1365 if (bits & 0x0100)
1366 {
1367 BYTE brdr = *format++;
1368 short w;
1369
1370 if ((brdr & 0x01) && !HLPFILE_RtfAddControl(rd, "\\box")) goto done;
1371 if ((brdr & 0x02) && !HLPFILE_RtfAddControl(rd, "\\brdrt")) goto done;
1372 if ((brdr & 0x04) && !HLPFILE_RtfAddControl(rd, "\\brdrl")) goto done;
1373 if ((brdr & 0x08) && !HLPFILE_RtfAddControl(rd, "\\brdrb")) goto done;
1374 if ((brdr & 0x10) && !HLPFILE_RtfAddControl(rd, "\\brdrr")) goto done;
1375 if ((brdr & 0x20) && !HLPFILE_RtfAddControl(rd, "\\brdrth")) goto done;
1376 if (!(brdr & 0x20) && !HLPFILE_RtfAddControl(rd, "\\brdrs")) goto done;
1377 if ((brdr & 0x40) && !HLPFILE_RtfAddControl(rd, "\\brdrdb")) goto done;
1378 /* 0x80: unknown */
1379
1380 w = GET_SHORT(format, 0); format += 2;
1381 if (w)
1382 {
1383 sprintf(tmp, "\\brdrw%d", HLPFILE_HalfPointsScale(page, w));
1384 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1385 }
1386 }
1387 if (bits & 0x0200)
1388 {
1389 int i, ntab = fetch_short(&format);
1390 unsigned tab, ts;
1391 const char* kind;
1392
1393 for (i = 0; i < ntab; i++)
1394 {
1395 tab = fetch_ushort(&format);
1396 ts = (tab & 0x4000) ? fetch_ushort(&format) : 0 /* left */;
1397 switch (ts)
1398 {
1399 default: WINE_FIXME("Unknown tab style %x\n", ts);
1400 /* fall through */
1401 case 0: kind = ""; break;
1402 case 1: kind = "\\tqr"; break;
1403 case 2: kind = "\\tqc"; break;
1404 }
1405 /* FIXME: do kind */
1406 sprintf(tmp, "%s\\tx%d",
1407 kind, HLPFILE_HalfPointsScale(page, tab & 0x3FFF));
1408 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1409 }
1410 }
1411 switch (bits & 0xc00)
1412 {
1413 default: WINE_FIXME("Unsupported alignment 0xC00\n"); break;
1414 case 0: if (!HLPFILE_RtfAddControl(rd, "\\ql")) goto done; break;
1415 case 0x400: if (!HLPFILE_RtfAddControl(rd, "\\qr")) goto done; break;
1416 case 0x800: if (!HLPFILE_RtfAddControl(rd, "\\qc")) goto done; break;
1417 }
1418
1419 /* 0x1000 doesn't need space */
1420 if ((bits & 0x1000) && !HLPFILE_RtfAddControl(rd, "\\keep")) goto done;
1421 if ((bits & 0xE080) != 0)
1422 WINE_FIXME("Unsupported bits %04x, potential trouble ahead\n", bits);
1423
1424 while (text < text_end && format < format_end)
1425 {
1426 WINE_TRACE("Got text: %s (%p/%p - %p/%p)\n", debugstr_a(text), text, text_end, format, format_end);
1427 textsize = strlen(text);
1428 if (textsize)
1429 {
1430 if (rd->force_color)
1431 {
1432 if ((rd->current_link->cookie == hlp_link_popup) ?
1433 !HLPFILE_RtfAddControl(rd, "{\\uld\\cf1") :
1434 !HLPFILE_RtfAddControl(rd, "{\\ul\\cf1")) goto done;
1435 }
1436 if (!HLPFILE_RtfAddText(rd, text)) goto done;
1437 if (rd->force_color && !HLPFILE_RtfAddControl(rd, "}")) goto done;
1438 rd->char_pos += textsize;
1439 }
1440 /* else: null text, keep on storing attributes */
1441 text += textsize + 1;
1442
1443 WINE_TRACE("format=0x%02x\n", *format);
1444 if (*format == 0xff)
1445 {
1446 format++;
1447 break;
1448 }
1449
1450 switch (*format)
1451 {
1452 case 0x20:
1453 WINE_FIXME("NIY20\n");
1454 format += 5;
1455 break;
1456
1457 case 0x21:
1458 WINE_FIXME("NIY21\n");
1459 format += 3;
1460 break;
1461
1462 case 0x80:
1463 {
1464 unsigned font = GET_USHORT(format, 1);
1465 unsigned fs;
1466
1467 WINE_TRACE("Changing font to %d\n", font);
1468 format += 3;
1469 /* Font size in hlpfile is given in the same units as
1470 rtf control word \fs uses (half-points). */
1471 switch (rd->font_scale)
1472 {
1473 case 0: fs = page->file->fonts[font].LogFont.lfHeight - 4; break;
1474 default:
1475 case 1: fs = page->file->fonts[font].LogFont.lfHeight; break;
1476 case 2: fs = page->file->fonts[font].LogFont.lfHeight + 4; break;
1477 }
1478 /* FIXME: colors are missing, at a minimum; also, the bold attribute loses information */
1479
1480 sprintf(tmp, "\\f%u\\cf%u\\fs%u%s%s%s%s",
1481 font, font + 2, fs,
1482 page->file->fonts[font].LogFont.lfWeight > 400 ? "\\b" : "\\b0",
1483 page->file->fonts[font].LogFont.lfItalic ? "\\i" : "\\i0",
1484 page->file->fonts[font].LogFont.lfUnderline ? "\\ul" : "\\ul0",
1485 page->file->fonts[font].LogFont.lfStrikeOut ? "\\strike" : "\\strike0");
1486 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1487 }
1488 break;
1489
1490 case 0x81:
1491 if (!HLPFILE_RtfAddControl(rd, "\\line")) goto done;
1492 format += 1;
1493 rd->char_pos++;
1494 break;
1495
1496 case 0x82:
1497 if (buf[0x14] == HLP_TABLE)
1498 {
1499 if (format[1] != 0xFF)
1500 {
1501 if (!HLPFILE_RtfAddControl(rd, "\\par\\intbl")) goto done;
1502 }
1503 else if (GET_SHORT(format, 2) == -1)
1504 {
1505 if (!HLPFILE_RtfAddControl(rd, "\\cell\\intbl\\row")) goto done;
1506 rd->char_pos += 2;
1507 }
1508 else if (GET_SHORT(format, 2) == lastcol)
1509 {
1510 if (!HLPFILE_RtfAddControl(rd, "\\par\\pard")) goto done;
1511 }
1512 else
1513 {
1514 if (!HLPFILE_RtfAddControl(rd, "\\cell\\pard")) goto done;
1515 }
1516 }
1517 else if (!HLPFILE_RtfAddControl(rd, "\\par")) goto done;
1518 format += 1;
1519 rd->char_pos++;
1520 break;
1521
1522 case 0x83:
1523 if (!HLPFILE_RtfAddControl(rd, "\\tab")) goto done;
1524 format += 1;
1525 rd->char_pos++;
1526 break;
1527
1528 #if 0
1529 case 0x84:
1530 format += 3;
1531 break;
1532 #endif
1533
1534 case 0x86:
1535 case 0x87:
1536 case 0x88:
1537 {
1538 BYTE type = format[1];
1539
1540 /* FIXME: we don't use 'BYTE pos = (*format - 0x86);' for the image position */
1541 format += 2;
1542 size = fetch_long(&format);
1543
1544 switch (type)
1545 {
1546 case 0x22:
1547 fetch_ushort(&format); /* hot spot */
1548 /* fall through */
1549 case 0x03:
1550 switch (GET_SHORT(format, 0))
1551 {
1552 case 0:
1553 HLPFILE_RtfAddGfxByIndex(rd, page->file, GET_SHORT(format, 2));
1554 rd->char_pos++;
1555 break;
1556 case 1:
1557 WINE_FIXME("does it work ??? %x<%u>#%u\n",
1558 GET_SHORT(format, 0),
1559 size, GET_SHORT(format, 2));
1560 HLPFILE_RtfAddGfxByAddr(rd, page->file, format + 2, size - 4);
1561 rd->char_pos++;
1562 break;
1563 default:
1564 WINE_FIXME("??? %u\n", GET_SHORT(format, 0));
1565 break;
1566 }
1567 break;
1568 case 0x05:
1569 WINE_FIXME("Got an embedded element %s\n", debugstr_a((char *)format + 6));
1570 break;
1571 default:
1572 WINE_FIXME("Got a type %d picture\n", type);
1573 break;
1574 }
1575 format += size;
1576 }
1577 break;
1578
1579 case 0x89:
1580 format += 1;
1581 if (!rd->current_link)
1582 WINE_FIXME("No existing link\n");
1583 rd->current_link->cpMax = rd->char_pos;
1584 rd->current_link = NULL;
1585 rd->force_color = FALSE;
1586 break;
1587
1588 case 0x8B:
1589 if (!HLPFILE_RtfAddControl(rd, "\\~")) goto done;
1590 format += 1;
1591 rd->char_pos++;
1592 break;
1593
1594 case 0x8C:
1595 if (!HLPFILE_RtfAddControl(rd, "\\_")) goto done;
1596 /* FIXME: it could be that hyphen is also in input stream !! */
1597 format += 1;
1598 rd->char_pos++;
1599 break;
1600
1601 #if 0
1602 case 0xA9:
1603 format += 2;
1604 break;
1605 #endif
1606
1607 case 0xC8:
1608 case 0xCC:
1609 WINE_TRACE("macro => %s\n", debugstr_a((char *)format + 3));
1610 HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
1611 GET_USHORT(format, 1), 0, !(*format & 4), FALSE, -1);
1612 format += 3 + GET_USHORT(format, 1);
1613 break;
1614
1615 case 0xE0:
1616 case 0xE1:
1617 WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
1618 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1619 page->file->lpszPath, -1, GET_UINT(format, 1), TRUE, FALSE, -1);
1620
1621
1622 format += 5;
1623 break;
1624
1625 case 0xE2:
1626 case 0xE3:
1627 case 0xE6:
1628 case 0xE7:
1629 WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
1630 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1631 page->file->lpszPath, -1, GET_UINT(format, 1),
1632 !(*format & 4), FALSE, -1);
1633 format += 5;
1634 break;
1635
1636 case 0xEA:
1637 case 0xEB:
1638 case 0xEE:
1639 case 0xEF:
1640 {
1641 const char* ptr = (const char*) format + 8;
1642 BYTE type = format[3];
1643 int wnd = -1;
1644
1645 switch (type)
1646 {
1647 case 1:
1648 wnd = *ptr;
1649 /* fall through */
1650 case 0:
1651 ptr = page->file->lpszPath;
1652 break;
1653 case 6:
1654 for (wnd = page->file->numWindows - 1; wnd >= 0; wnd--)
1655 {
1656 if (!strcmp(ptr, page->file->windows[wnd].name)) break;
1657 }
1658 if (wnd == -1)
1659 WINE_WARN("Couldn't find window info for %s\n", debugstr_a(ptr));
1660 ptr += strlen(ptr) + 1;
1661 /* fall through */
1662 case 4:
1663 break;
1664 default:
1665 WINE_WARN("Unknown link type %d\n", type);
1666 break;
1667 }
1668 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1669 ptr, -1, GET_UINT(format, 4), !(*format & 4), FALSE, wnd);
1670 }
1671 format += 3 + GET_USHORT(format, 1);
1672 break;
1673
1674 default:
1675 WINE_WARN("format %02x\n", *format);
1676 format++;
1677 }
1678 }
1679 }
1680 ret = TRUE;
1681 done:
1682
1683 HeapFree(GetProcessHeap(), 0, text_base);
1684 return ret;
1685 }
1686
1687 /******************************************************************
1688 * HLPFILE_BrowsePage
1689 *
1690 */
1691 BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd,
1692 unsigned font_scale, unsigned relative)
1693 {
1694 HLPFILE *hlpfile = page->file;
1695 BYTE *buf, *end;
1696 DWORD ref = page->reference;
1697 unsigned index, old_index = -1, offset, count = 0, offs = 0;
1698 unsigned cpg, parlen;
1699 char tmp[1024];
1700 const char* ck = NULL;
1701
1702 rd->in_text = TRUE;
1703 rd->data = rd->ptr = HeapAlloc(GetProcessHeap(), 0, rd->allocated = 32768);
1704 rd->char_pos = 0;
1705 rd->first_link = rd->current_link = NULL;
1706 rd->force_color = FALSE;
1707 rd->font_scale = font_scale;
1708 rd->relative = relative;
1709 rd->char_pos_rel = 0;
1710
1711 switch (hlpfile->charset)
1712 {
1713 case DEFAULT_CHARSET:
1714 case ANSI_CHARSET: cpg = 1252; break;
1715 case SHIFTJIS_CHARSET: cpg = 932; break;
1716 case HANGEUL_CHARSET: cpg = 949; break;
1717 case GB2312_CHARSET: cpg = 936; break;
1718 case CHINESEBIG5_CHARSET: cpg = 950; break;
1719 case GREEK_CHARSET: cpg = 1253; break;
1720 case TURKISH_CHARSET: cpg = 1254; break;
1721 case HEBREW_CHARSET: cpg = 1255; break;
1722 case ARABIC_CHARSET: cpg = 1256; break;
1723 case BALTIC_CHARSET: cpg = 1257; break;
1724 case VIETNAMESE_CHARSET: cpg = 1258; break;
1725 case RUSSIAN_CHARSET: cpg = 1251; break;
1726 case EE_CHARSET: cpg = 1250; break;
1727 case THAI_CHARSET: cpg = 874; break;
1728 case JOHAB_CHARSET: cpg = 1361; break;
1729 case MAC_CHARSET: ck = "mac"; break;
1730 default:
1731 WINE_FIXME("Unsupported charset %u\n", hlpfile->charset);
1732 cpg = 1252;
1733 }
1734 if (ck)
1735 {
1736 sprintf(tmp, "{\\rtf1\\%s\\deff0", ck);
1737 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1738 }
1739 else
1740 {
1741 sprintf(tmp, "{\\rtf1\\ansi\\ansicpg%d\\deff0", cpg);
1742 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1743 }
1744
1745 /* generate font table */
1746 if (!HLPFILE_RtfAddControl(rd, "{\\fonttbl")) return FALSE;
1747 for (index = 0; index < hlpfile->numFonts; index++)
1748 {
1749 const char* family;
1750 switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
1751 {
1752 case FF_MODERN: family = "modern"; break;
1753 case FF_ROMAN: family = "roman"; break;
1754 case FF_SWISS: family = "swiss"; break;
1755 case FF_SCRIPT: family = "script"; break;
1756 case FF_DECORATIVE: family = "decor"; break;
1757 default: family = "nil"; break;
1758 }
1759 sprintf(tmp, "{\\f%d\\f%s\\fprq%d\\fcharset%d %s;}",
1760 index, family,
1761 hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0x0F,
1762 hlpfile->fonts[index].LogFont.lfCharSet,
1763 hlpfile->fonts[index].LogFont.lfFaceName);
1764 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1765 }
1766 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1767 /* generate color table */
1768 if (!HLPFILE_RtfAddControl(rd, "{\\colortbl ;\\red0\\green128\\blue0;")) return FALSE;
1769 for (index = 0; index < hlpfile->numFonts; index++)
1770 {
1771 sprintf(tmp, "\\red%d\\green%d\\blue%d;",
1772 GetRValue(hlpfile->fonts[index].color),
1773 GetGValue(hlpfile->fonts[index].color),
1774 GetBValue(hlpfile->fonts[index].color));
1775 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1776 }
1777 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1778
1779 do
1780 {
1781 if (hlpfile->version <= 16)
1782 {
1783 index = (ref - 0x0C) / hlpfile->dsize;
1784 offset = (ref - 0x0C) % hlpfile->dsize;
1785 }
1786 else
1787 {
1788 index = (ref - 0x0C) >> 14;
1789 offset = (ref - 0x0C) & 0x3FFF;
1790 }
1791
1792 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
1793 {
1794 /* we jumped to the next block, adjust pointers */
1795 ref -= 12;
1796 offset -= 12;
1797 }
1798
1799 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
1800 buf = hlpfile->topic_map[index] + offset;
1801 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
1802 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
1803 if (index != old_index) {offs = 0; old_index = index;}
1804
1805 switch (buf[0x14])
1806 {
1807 case HLP_TOPICHDR:
1808 if (count++) goto done;
1809 break;
1810 case HLP_DISPLAY30:
1811 case HLP_DISPLAY:
1812 case HLP_TABLE:
1813 if (!HLPFILE_BrowseParagraph(page, rd, buf, end, &parlen)) return FALSE;
1814 if (relative > index * 0x8000 + offs)
1815 rd->char_pos_rel = rd->char_pos;
1816 offs += parlen;
1817 break;
1818 default:
1819 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
1820 }
1821 if (hlpfile->version <= 16)
1822 {
1823 ref += GET_UINT(buf, 0xc);
1824 if (GET_UINT(buf, 0xc) == 0)
1825 break;
1826 }
1827 else
1828 ref = GET_UINT(buf, 0xc);
1829 } while (ref != 0xffffffff);
1830 done:
1831 page->first_link = rd->first_link;
1832 return HLPFILE_RtfAddControl(rd, "}");
1833 }
1834
1835 /******************************************************************
1836 * HLPFILE_ReadFont
1837 *
1838 *
1839 */
1840 static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
1841 {
1842 BYTE *ref, *end;
1843 unsigned i, len, idx;
1844 unsigned face_num, dscr_num, face_offset, dscr_offset;
1845 BYTE flag, family;
1846
1847 if (!HLPFILE_FindSubFile(hlpfile, "|FONT", &ref, &end))
1848 {
1849 WINE_WARN("no subfile FONT\n");
1850 hlpfile->numFonts = 0;
1851 hlpfile->fonts = NULL;
1852 return FALSE;
1853 }
1854
1855 ref += 9;
1856
1857 face_num = GET_USHORT(ref, 0);
1858 dscr_num = GET_USHORT(ref, 2);
1859 face_offset = GET_USHORT(ref, 4);
1860 dscr_offset = GET_USHORT(ref, 6);
1861
1862 WINE_TRACE("Got NumFacenames=%u@%u NumDesc=%u@%u\n",
1863 face_num, face_offset, dscr_num, dscr_offset);
1864
1865 hlpfile->numFonts = dscr_num;
1866 hlpfile->fonts = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_FONT) * dscr_num);
1867
1868 len = (dscr_offset - face_offset) / face_num;
1869
1870 /* mvb font */
1871 if (face_offset >= 16)
1872 {
1873 hlpfile->scale = 1;
1874 hlpfile->rounderr = 0;
1875 WINE_FIXME("mvb font: not implemented\n");
1876 return FALSE;
1877 }
1878 /* new font */
1879 if (face_offset >= 12)
1880 {
1881 hlpfile->scale = 1;
1882 hlpfile->rounderr = 0;
1883 WINE_FIXME("new font: not implemented\n");
1884 return FALSE;
1885 }
1886 /* old font */
1887 hlpfile->scale = 10;
1888 hlpfile->rounderr = 5;
1889 /* EPP for (i = face_offset; i < dscr_offset; i += len) */
1890 /* EPP WINE_FIXME("[%d]: %*s\n", i / len, len, ref + i); */
1891 for (i = 0; i < dscr_num; i++)
1892 {
1893 flag = ref[dscr_offset + i * 11 + 0];
1894 family = ref[dscr_offset + i * 11 + 2];
1895
1896 hlpfile->fonts[i].LogFont.lfHeight = ref[dscr_offset + i * 11 + 1];
1897 hlpfile->fonts[i].LogFont.lfWidth = 0;
1898 hlpfile->fonts[i].LogFont.lfEscapement = 0;
1899 hlpfile->fonts[i].LogFont.lfOrientation = 0;
1900 hlpfile->fonts[i].LogFont.lfWeight = (flag & 1) ? 700 : 400;
1901 hlpfile->fonts[i].LogFont.lfItalic = (flag & 2) != 0;
1902 hlpfile->fonts[i].LogFont.lfUnderline = (flag & 4) != 0;
1903 hlpfile->fonts[i].LogFont.lfStrikeOut = (flag & 8) != 0;
1904 hlpfile->fonts[i].LogFont.lfCharSet = hlpfile->charset;
1905 hlpfile->fonts[i].LogFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
1906 hlpfile->fonts[i].LogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1907 hlpfile->fonts[i].LogFont.lfQuality = DEFAULT_QUALITY;
1908 hlpfile->fonts[i].LogFont.lfPitchAndFamily = DEFAULT_PITCH;
1909
1910 switch (family)
1911 {
1912 case 0x01: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_MODERN; break;
1913 case 0x02: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_ROMAN; break;
1914 case 0x03: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SWISS; break;
1915 case 0x04: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SCRIPT; break;
1916 case 0x05: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_DECORATIVE; break;
1917 default: WINE_FIXME("Unknown family %u\n", family);
1918 }
1919 idx = GET_USHORT(ref, dscr_offset + i * 11 + 3);
1920
1921 if (idx < face_num)
1922 {
1923 memcpy(hlpfile->fonts[i].LogFont.lfFaceName, ref + face_offset + idx * len, min(len, LF_FACESIZE - 1));
1924 hlpfile->fonts[i].LogFont.lfFaceName[min(len, LF_FACESIZE - 1)] = '\0';
1925 }
1926 else
1927 {
1928 WINE_FIXME("Too high face ref (%u/%u)\n", idx, face_num);
1929 strcpy(hlpfile->fonts[i].LogFont.lfFaceName, "Helv");
1930 }
1931 hlpfile->fonts[i].hFont = 0;
1932 hlpfile->fonts[i].color = RGB(ref[dscr_offset + i * 11 + 5],
1933 ref[dscr_offset + i * 11 + 6],
1934 ref[dscr_offset + i * 11 + 7]);
1935 #define X(b,s) ((flag & (1 << b)) ? "-"s: "")
1936 WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
1937 i, flag,
1938 X(0, "bold"),
1939 X(1, "italic"),
1940 X(2, "underline"),
1941 X(3, "strikeOut"),
1942 X(4, "dblUnderline"),
1943 X(5, "smallCaps"),
1944 ref[dscr_offset + i * 11 + 1],
1945 family,
1946 debugstr_a(hlpfile->fonts[i].LogFont.lfFaceName), idx,
1947 GET_UINT(ref, dscr_offset + i * 11 + 5) & 0x00FFFFFF);
1948 }
1949 return TRUE;
1950 }
1951
1952 /***********************************************************************
1953 *
1954 * HLPFILE_ReadFileToBuffer
1955 */
1956 static BOOL HLPFILE_ReadFileToBuffer(HLPFILE* hlpfile, HFILE hFile)
1957 {
1958 BYTE header[16], dummy[1];
1959
1960 if (_hread(hFile, header, 16) != 16) {WINE_WARN("header\n"); return FALSE;};
1961
1962 /* sanity checks */
1963 if (GET_UINT(header, 0) != 0x00035F3F)
1964 {WINE_WARN("wrong header\n"); return FALSE;};
1965
1966 hlpfile->file_buffer_size = GET_UINT(header, 12);
1967 hlpfile->file_buffer = HeapAlloc(GetProcessHeap(), 0, hlpfile->file_buffer_size + 1);
1968 if (!hlpfile->file_buffer) return FALSE;
1969
1970 memcpy(hlpfile->file_buffer, header, 16);
1971 if (_hread(hFile, hlpfile->file_buffer + 16, hlpfile->file_buffer_size - 16) !=hlpfile->file_buffer_size - 16)
1972 {WINE_WARN("filesize1\n"); return FALSE;};
1973
1974 if (_hread(hFile, dummy, 1) != 0) WINE_WARN("filesize2\n");
1975
1976 hlpfile->file_buffer[hlpfile->file_buffer_size] = '\0'; /* FIXME: was '0', sounds backwards to me */
1977
1978 return TRUE;
1979 }
1980
1981 /***********************************************************************
1982 *
1983 * HLPFILE_SystemCommands
1984 */
1985 static BOOL HLPFILE_SystemCommands(HLPFILE* hlpfile)
1986 {
1987 BYTE *buf, *ptr, *end;
1988 HLPFILE_MACRO *macro, **m;
1989 LPSTR p;
1990 unsigned short magic, minor, major, flags;
1991
1992 hlpfile->lpszTitle = NULL;
1993
1994 if (!HLPFILE_FindSubFile(hlpfile, "|SYSTEM", &buf, &end)) return FALSE;
1995
1996 magic = GET_USHORT(buf + 9, 0);
1997 minor = GET_USHORT(buf + 9, 2);
1998 major = GET_USHORT(buf + 9, 4);
1999 /* gen date on 4 bytes */
2000 flags = GET_USHORT(buf + 9, 10);
2001 WINE_TRACE("Got system header: magic=%04x version=%d.%d flags=%04x\n",
2002 magic, major, minor, flags);
2003 if (magic != 0x036C || major != 1)
2004 {WINE_WARN("Wrong system header\n"); return FALSE;}
2005 if (minor <= 16)
2006 {
2007 hlpfile->tbsize = 0x800;
2008 hlpfile->compressed = FALSE;
2009 }
2010 else if (flags == 0)
2011 {
2012 hlpfile->tbsize = 0x1000;
2013 hlpfile->compressed = FALSE;
2014 }
2015 else if (flags == 4)
2016 {
2017 hlpfile->tbsize = 0x1000;
2018 hlpfile->compressed = TRUE;
2019 }
2020 else
2021 {
2022 hlpfile->tbsize = 0x800;
2023 hlpfile->compressed = TRUE;
2024 }
2025
2026 if (hlpfile->compressed)
2027 hlpfile->dsize = 0x4000;
2028 else
2029 hlpfile->dsize = hlpfile->tbsize - 0x0C;
2030
2031 hlpfile->version = minor;
2032 hlpfile->flags = flags;
2033 hlpfile->charset = DEFAULT_CHARSET;
2034
2035 if (hlpfile->version <= 16)
2036 {
2037 char *str = (char*)buf + 0x15;
2038
2039 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2040 if (!hlpfile->lpszTitle) return FALSE;
2041 strcpy(hlpfile->lpszTitle, str);
2042 WINE_TRACE("Title: %s\n", debugstr_a(hlpfile->lpszTitle));
2043 /* Nothing more to parse */
2044 return TRUE;
2045 }
2046 for (ptr = buf + 0x15; ptr + 4 <= end; ptr += GET_USHORT(ptr, 2) + 4)
2047 {
2048 char *str = (char*) ptr + 4;
2049 switch (GET_USHORT(ptr, 0))
2050 {
2051 case 1:
2052 if (hlpfile->lpszTitle) {WINE_WARN("title\n"); break;}
2053 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2054 if (!hlpfile->lpszTitle) return FALSE;
2055 strcpy(hlpfile->lpszTitle, str);
2056 WINE_TRACE("Title: %s\n", debugstr_a(hlpfile->lpszTitle));
2057 break;
2058
2059 case 2:
2060 if (hlpfile->lpszCopyright) {WINE_WARN("copyright\n"); break;}
2061 hlpfile->lpszCopyright = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2062 if (!hlpfile->lpszCopyright) return FALSE;
2063 strcpy(hlpfile->lpszCopyright, str);
2064 WINE_TRACE("Copyright: %s\n", debugstr_a(hlpfile->lpszCopyright));
2065 break;
2066
2067 case 3:
2068 if (GET_USHORT(ptr, 2) != 4) {WINE_WARN("system3\n");break;}
2069 hlpfile->contents_start = GET_UINT(ptr, 4);
2070 WINE_TRACE("Setting contents start at %08lx\n", hlpfile->contents_start);
2071 break;
2072
2073 case 4:
2074 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + strlen(str) + 1);
2075 if (!macro) break;
2076 p = (char*)macro + sizeof(HLPFILE_MACRO);
2077 strcpy(p, str);
2078 macro->lpszMacro = p;
2079 macro->next = 0;
2080 for (m = &hlpfile->first_macro; *m; m = &(*m)->next);
2081 *m = macro;
2082 break;
2083
2084 case 5:
2085 if (GET_USHORT(ptr, 4 + 4) != 1)
2086 WINE_FIXME("More than one icon, picking up first\n");
2087 /* 0x16 is sizeof(CURSORICONDIR), see user32/user_private.h */
2088 hlpfile->hIcon = CreateIconFromResourceEx(ptr + 4 + 0x16,
2089 GET_USHORT(ptr, 2) - 0x16, TRUE,
2090 0x30000, 0, 0, 0);
2091 break;
2092
2093 case 6:
2094 if (GET_USHORT(ptr, 2) != 90) {WINE_WARN("system6\n");break;}
2095
2096 if (hlpfile->windows)
2097 hlpfile->windows = HeapReAlloc(GetProcessHeap(), 0, hlpfile->windows,
2098 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
2099 else
2100 hlpfile->windows = HeapAlloc(GetProcessHeap(), 0,
2101 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
2102
2103 if (hlpfile->windows)
2104 {
2105 HLPFILE_WINDOWINFO* wi = &hlpfile->windows[hlpfile->numWindows - 1];
2106
2107 flags = GET_USHORT(ptr, 4);
2108 if (flags & 0x0001) strcpy(wi->type, &str[2]);
2109 else wi->type[0] = '\0';
2110 if (flags & 0x0002) strcpy(wi->name, &str[12]);
2111 else wi->name[0] = '\0';
2112 if (flags & 0x0004) strcpy(wi->caption, &str[21]);
2113 else lstrcpynA(wi->caption, hlpfile->lpszTitle, sizeof(wi->caption));
2114 wi->origin.x = (flags & 0x0008) ? GET_USHORT(ptr, 76) : CW_USEDEFAULT;
2115 wi->origin.y = (flags & 0x0010) ? GET_USHORT(ptr, 78) : CW_USEDEFAULT;
2116 wi->size.cx = (flags & 0x0020) ? GET_USHORT(ptr, 80) : CW_USEDEFAULT;
2117 wi->size.cy = (flags & 0x0040) ? GET_USHORT(ptr, 82) : CW_USEDEFAULT;
2118 wi->style = (flags & 0x0080) ? GET_USHORT(ptr, 84) : SW_SHOW;
2119 wi->win_style = WS_OVERLAPPEDWINDOW;
2120 wi->sr_color = (flags & 0x0100) ? GET_UINT(ptr, 86) : 0xFFFFFF;
2121 wi->nsr_color = (flags & 0x0200) ? GET_UINT(ptr, 90) : 0xFFFFFF;
2122 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",
2123 flags & 0x0001 ? 'T' : 't',
2124 flags & 0x0002 ? 'N' : 'n',
2125 flags & 0x0004 ? 'C' : 'c',
2126 flags & 0x0008 ? 'X' : 'x',
2127 flags & 0x0010 ? 'Y' : 'y',
2128 flags & 0x0020 ? 'W' : 'w',
2129 flags & 0x0040 ? 'H' : 'h',
2130 flags & 0x0080 ? 'S' : 's',
2131 debugstr_a(wi->type), debugstr_a(wi->name), debugstr_a(wi->caption), wi->origin.x, wi->origin.y,
2132 wi->size.cx, wi->size.cy);
2133 }
2134 break;
2135 case 8:
2136 WINE_WARN("Citation: %s\n", debugstr_a((char *)ptr + 4));
2137 break;
2138 case 11:
2139 hlpfile->charset = ptr[4];
2140 WINE_TRACE("Charset: %d\n", hlpfile->charset);
2141 break;
2142 default:
2143 WINE_WARN("Unsupported SystemRecord[%d]\n", GET_USHORT(ptr, 0));
2144 }
2145 }
2146 if (!hlpfile->lpszTitle)
2147 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 1);
2148 return TRUE;
2149 }
2150
2151 /***********************************************************************
2152 *
2153 * HLPFILE_GetContext
2154 */
2155 static BOOL HLPFILE_GetContext(HLPFILE *hlpfile)
2156 {
2157 BYTE *cbuf, *cend;
2158 unsigned clen;
2159
2160 if (!HLPFILE_FindSubFile(hlpfile, "|CONTEXT", &cbuf, &cend))
2161 {WINE_WARN("context0\n"); return FALSE;}
2162
2163 clen = cend - cbuf;
2164 hlpfile->Context = HeapAlloc(GetProcessHeap(), 0, clen);
2165 if (!hlpfile->Context) return FALSE;
2166 memcpy(hlpfile->Context, cbuf, clen);
2167
2168 return TRUE;
2169 }
2170
2171 /***********************************************************************
2172 *
2173 * HLPFILE_GetKeywords
2174 */
2175 static BOOL HLPFILE_GetKeywords(HLPFILE *hlpfile)
2176 {
2177 BYTE *cbuf, *cend;
2178 unsigned clen;
2179
2180 if (!HLPFILE_FindSubFile(hlpfile, "|KWBTREE", &cbuf, &cend)) return FALSE;
2181 clen = cend - cbuf;
2182 hlpfile->kwbtree = HeapAlloc(GetProcessHeap(), 0, clen);
2183 if (!hlpfile->kwbtree) return FALSE;
2184 memcpy(hlpfile->kwbtree, cbuf, clen);
2185
2186 if (!HLPFILE_FindSubFile(hlpfile, "|KWDATA", &cbuf, &cend))
2187 {
2188 WINE_ERR("corrupted help file: kwbtree present but kwdata absent\n");
2189 HeapFree(GetProcessHeap(), 0, hlpfile->kwbtree);
2190 return FALSE;
2191 }
2192 clen = cend - cbuf;
2193 hlpfile->kwdata = HeapAlloc(GetProcessHeap(), 0, clen);
2194 if (!hlpfile->kwdata)
2195 {
2196 HeapFree(GetProcessHeap(), 0, hlpfile->kwdata);
2197 return FALSE;
2198 }
2199 memcpy(hlpfile->kwdata, cbuf, clen);
2200
2201 return TRUE;
2202 }
2203
2204 /***********************************************************************
2205 *
2206 * HLPFILE_GetMap
2207 */
2208 static BOOL HLPFILE_GetMap(HLPFILE *hlpfile)
2209 {
2210 BYTE *cbuf, *cend;
2211 unsigned entries, i;
2212
2213 if (!HLPFILE_FindSubFile(hlpfile, "|CTXOMAP", &cbuf, &cend))
2214 {WINE_WARN("no map section\n"); return FALSE;}
2215
2216 entries = GET_USHORT(cbuf, 9);
2217 hlpfile->Map = HeapAlloc(GetProcessHeap(), 0, entries * sizeof(HLPFILE_MAP));
2218 if (!hlpfile->Map) return FALSE;
2219 hlpfile->wMapLen = entries;
2220 for (i = 0; i < entries; i++)
2221 {
2222 hlpfile->Map[i].lMap = GET_UINT(cbuf+11,i*8);
2223 hlpfile->Map[i].offset = GET_UINT(cbuf+11,i*8+4);
2224 }
2225 return TRUE;
2226 }
2227
2228 /***********************************************************************
2229 *
2230 * HLPFILE_GetTOMap
2231 */
2232 static BOOL HLPFILE_GetTOMap(HLPFILE *hlpfile)
2233 {
2234 BYTE *cbuf, *cend;
2235 unsigned clen;
2236
2237 if (!HLPFILE_FindSubFile(hlpfile, "|TOMAP", &cbuf, &cend))
2238 {WINE_WARN("no tomap section\n"); return FALSE;}
2239
2240 clen = cend - cbuf - 9;
2241 hlpfile->TOMap = HeapAlloc(GetProcessHeap(), 0, clen);
2242 if (!hlpfile->TOMap) return FALSE;
2243 memcpy(hlpfile->TOMap, cbuf+9, clen);
2244 hlpfile->wTOMapLen = clen/4;
2245 return TRUE;
2246 }
2247
2248 /***********************************************************************
2249 *
2250 * DeleteMacro
2251 */
2252 static void HLPFILE_DeleteMacro(HLPFILE_MACRO* macro)
2253 {
2254 HLPFILE_MACRO* next;
2255
2256 while (macro)
2257 {
2258 next = macro->next;
2259 HeapFree(GetProcessHeap(), 0, macro);
2260 macro = next;
2261 }
2262 }
2263
2264 /***********************************************************************
2265 *
2266 * DeletePage
2267 */
2268 static void HLPFILE_DeletePage(HLPFILE_PAGE* page)
2269 {
2270 HLPFILE_PAGE* next;
2271
2272 while (page)
2273 {
2274 next = page->next;
2275 HLPFILE_DeleteMacro(page->first_macro);
2276 HeapFree(GetProcessHeap(), 0, page);
2277 page = next;
2278 }
2279 }
2280
2281 /***********************************************************************
2282 *
2283 * HLPFILE_FreeHlpFile
2284 */
2285 void HLPFILE_FreeHlpFile(HLPFILE* hlpfile)
2286 {
2287 unsigned i;
2288
2289 if (!hlpfile || --hlpfile->wRefCount > 0) return;
2290
2291 if (hlpfile->next) hlpfile->next->prev = hlpfile->prev;
2292 if (hlpfile->prev) hlpfile->prev->next = hlpfile->next;
2293 else first_hlpfile = hlpfile->next;
2294
2295 if (hlpfile->numFonts)
2296 {
2297 for (i = 0; i < hlpfile->numFonts; i++)
2298 {
2299 DeleteObject(hlpfile->fonts[i].hFont);
2300 }
2301 HeapFree(GetProcessHeap(), 0, hlpfile->fonts);
2302 }
2303
2304 if (hlpfile->numBmps)
2305 {
2306 for (i = 0; i < hlpfile->numBmps; i++)
2307 {
2308 DeleteObject(hlpfile->bmps[i]);
2309 }
2310 HeapFree(GetProcessHeap(), 0, hlpfile->bmps);
2311 }
2312
2313 HLPFILE_DeletePage(hlpfile->first_page);
2314 HLPFILE_DeleteMacro(hlpfile->first_macro);
2315
2316 DestroyIcon(hlpfile->hIcon);
2317 if (hlpfile->numWindows) HeapFree(GetProcessHeap(), 0, hlpfile->windows);
2318 HeapFree(GetProcessHeap(), 0, hlpfile->Context);
2319 HeapFree(GetProcessHeap(), 0, hlpfile->Map);
2320 HeapFree(GetProcessHeap(), 0, hlpfile->lpszTitle);
2321 HeapFree(GetProcessHeap(), 0, hlpfile->lpszCopyright);
2322 HeapFree(GetProcessHeap(), 0, hlpfile->file_buffer);
2323 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2324 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2325 HeapFree(GetProcessHeap(), 0, hlpfile->topic_map);
2326 HeapFree(GetProcessHeap(), 0, hlpfile->help_on_file);
2327 HeapFree(GetProcessHeap(), 0, hlpfile);
2328 }
2329
2330 /***********************************************************************
2331 *
2332 * HLPFILE_UncompressLZ77_Phrases
2333 */
2334 static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE* hlpfile)
2335 {
2336 UINT i, num, dec_size, head_size;
2337 BYTE *buf, *end;
2338
2339 if (!HLPFILE_FindSubFile(hlpfile, "|Phrases", &buf, &end)) return FALSE;
2340
2341 if (hlpfile->version <= 16)
2342 head_size = 13;
2343 else
2344 head_size = 17;
2345
2346 num = hlpfile->num_phrases = GET_USHORT(buf, 9);
2347 if (buf + 2 * num + 0x13 >= end) {WINE_WARN("1a\n"); return FALSE;};
2348
2349 if (hlpfile->version <= 16)
2350 dec_size = end - buf - 15 - 2 * num;
2351 else
2352 dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
2353
2354 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2355 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2356 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2357 {
2358 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2359 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2360 return FALSE;
2361 }
2362
2363 for (i = 0; i <= num; i++)
2364 hlpfile->phrases_offsets[i] = GET_USHORT(buf, head_size + 2 * i) - 2 * num - 2;
2365
2366 if (hlpfile->version <= 16)
2367 memcpy(hlpfile->phrases_buffer, buf + 15 + 2*num, dec_size);
2368 else
2369 HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)hlpfile->phrases_buffer);
2370
2371 hlpfile->hasPhrases = TRUE;
2372 return TRUE;
2373 }
2374
2375 /***********************************************************************
2376 *
2377 * HLPFILE_Uncompress_Phrases40
2378 */
2379 static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE* hlpfile)
2380 {
2381 UINT num;
2382 INT dec_size, cpr_size;
2383 BYTE *buf_idx, *end_idx;
2384 BYTE *buf_phs, *end_phs;
2385 ULONG* ptr, mask = 0;
2386 unsigned int i;
2387 unsigned short bc, n;
2388
2389 if (!HLPFILE_FindSubFile(hlpfile, "|PhrIndex", &buf_idx, &end_idx) ||
2390 !HLPFILE_FindSubFile(hlpfile, "|PhrImage", &buf_phs, &end_phs)) return FALSE;
2391
2392 ptr = (ULONG*)(buf_idx + 9 + 28);
2393 bc = GET_USHORT(buf_idx, 9 + 24) & 0x0F;
2394 num = hlpfile->num_phrases = GET_USHORT(buf_idx, 9 + 4);
2395
2396 WINE_TRACE("Index: Magic=%08x #entries=%u CpsdSize=%u PhrImgSize=%u\n"
2397 "\tPhrImgCprsdSize=%u 0=%u bc=%x ukn=%x\n",
2398 GET_UINT(buf_idx, 9 + 0),
2399 GET_UINT(buf_idx, 9 + 4),
2400 GET_UINT(buf_idx, 9 + 8),
2401 GET_UINT(buf_idx, 9 + 12),
2402 GET_UINT(buf_idx, 9 + 16),
2403 GET_UINT(buf_idx, 9 + 20),
2404 GET_USHORT(buf_idx, 9 + 24),
2405 GET_USHORT(buf_idx, 9 + 26));
2406
2407 dec_size = GET_UINT(buf_idx, 9 + 12);
2408 cpr_size = GET_UINT(buf_idx, 9 + 16);
2409
2410 if (dec_size != cpr_size &&
2411 dec_size != HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs))
2412 {
2413 WINE_WARN("size mismatch %u %u\n",
2414 dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2415 dec_size = max(dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2416 }
2417
2418 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2419 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2420 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2421 {
2422 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2423 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2424 return FALSE;
2425 }
2426
2427 #define getbit() ((mask <<= 1) ? (*ptr & mask) != 0: (*++ptr & (mask=1)) != 0)
2428
2429 hlpfile->phrases_offsets[0] = 0;
2430 ptr--; /* as we'll first increment ptr because mask is 0 on first getbit() call */
2431 for (i = 0; i < num; i++)
2432 {
2433 for (n = 1; getbit(); n += 1 << bc);
2434 if (getbit()) n++;
2435 if (bc > 1 && getbit()) n += 2;
2436 if (bc > 2 && getbit()) n += 4;
2437 if (bc > 3 && getbit()) n += 8;
2438 if (bc > 4 && getbit()) n += 16;
2439 hlpfile->phrases_offsets[i + 1] = hlpfile->phrases_offsets[i] + n;
2440 }
2441 #undef getbit
2442
2443 if (dec_size == cpr_size)
2444 memcpy(hlpfile->phrases_buffer, buf_phs + 9, dec_size);
2445 else
2446 HLPFILE_UncompressLZ77(buf_phs + 9, end_phs, (BYTE*)hlpfile->phrases_buffer);
2447
2448 hlpfile->hasPhrases40 = TRUE;
2449 return TRUE;
2450 }
2451
2452 /***********************************************************************
2453 *
2454 * HLPFILE_Uncompress_Topic
2455 */
2456 static BOOL HLPFILE_Uncompress_Topic(HLPFILE* hlpfile)
2457 {
2458 BYTE *buf, *ptr, *end, *newptr;
2459 unsigned int i, newsize = 0;
2460 unsigned int topic_size;
2461
2462 if (!HLPFILE_FindSubFile(hlpfile, "|TOPIC", &buf, &end))
2463 {WINE_WARN("topic0\n"); return FALSE;}
2464
2465 buf += 9; /* Skip file header */
2466 topic_size = end - buf;
2467 if (hlpfile->compressed)
2468 {
2469 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2470
2471 for (i = 0; i < hlpfile->topic_maplen; i++)
2472 {
2473 ptr = buf + i * hlpfile->tbsize;
2474
2475 /* I don't know why, it's necessary for printman.hlp */
2476 if (ptr + 0x44 > end) ptr = end - 0x44;
2477
2478 newsize += HLPFILE_UncompressedLZ77_Size(ptr + 0xc, min(end, ptr + hlpfile->tbsize));
2479 }
2480
2481 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2482 hlpfile->topic_maplen * sizeof(hlpfile->topic_map[0]) + newsize);
2483 if (!hlpfile->topic_map) return FALSE;
2484 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2485 hlpfile->topic_end = newptr + newsize;
2486
2487 for (i = 0; i < hlpfile->topic_maplen; i++)
2488 {
2489 ptr = buf + i * hlpfile->tbsize;
2490 if (ptr + 0x44 > end) ptr = end - 0x44;
2491
2492 hlpfile->topic_map[i] = newptr;
2493 newptr = HLPFILE_UncompressLZ77(ptr + 0xc, min(end, ptr + hlpfile->tbsize), newptr);
2494 }
2495 }
2496 else
2497 {
2498 /* basically, we need to copy the TopicBlockSize byte pages
2499 * (removing the first 0x0C) in one single area in memory
2500 */
2501 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2502 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2503 hlpfile->topic_maplen * (sizeof(hlpfile->topic_map[0]) + hlpfile->dsize));
2504 if (!hlpfile->topic_map) return FALSE;
2505 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2506 hlpfile->topic_end = newptr + topic_size;
2507
2508 for (i = 0; i < hlpfile->topic_maplen; i++)
2509 {
2510 hlpfile->topic_map[i] = newptr + i * hlpfile->dsize;
2511 memcpy(hlpfile->topic_map[i], buf + i * hlpfile->tbsize + 0x0C, hlpfile->dsize);
2512 }
2513 }
2514 return TRUE;
2515 }
2516
2517 /***********************************************************************
2518 *
2519 * HLPFILE_AddPage
2520 */
2521 static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned ref, unsigned offset)
2522 {
2523 HLPFILE_PAGE* page;
2524 const BYTE* title;
2525 UINT titlesize, blocksize, datalen;
2526 char* ptr;
2527 HLPFILE_MACRO*macro;
2528
2529 blocksize = GET_UINT(buf, 0);
2530 datalen = GET_UINT(buf, 0x10);
2531 title = buf + datalen;
2532 if (title > end) {WINE_WARN("page2\n"); return FALSE;};
2533
2534 titlesize = GET_UINT(buf, 4);
2535 page = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_PAGE) + titlesize + 1);
2536 if (!page) return FALSE;
2537 page->lpszTitle = (char*)page + sizeof(HLPFILE_PAGE);
2538
2539 if (titlesize > blocksize - datalen)
2540 {
2541 /* need to decompress */
2542 if (hlpfile->hasPhrases)
2543 HLPFILE_Uncompress2(hlpfile, title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
2544 else if (hlpfile->hasPhrases40)
2545 HLPFILE_Uncompress3(hlpfile, page->lpszTitle, page->lpszTitle + titlesize, title, end);
2546 else
2547 {
2548 WINE_FIXME("Text size is too long, splitting\n");
2549 titlesize = blocksize - datalen;
2550 memcpy(page->lpszTitle, title, titlesize);
2551 }
2552 }
2553 else
2554 memcpy(page->lpszTitle, title, titlesize);
2555
2556 page->lpszTitle[titlesize] = '\0';
2557
2558 if (hlpfile->first_page)
2559 {
2560 hlpfile->last_page->next = page;
2561 page->prev = hlpfile->last_page;
2562 hlpfile->last_page = page;
2563 }
2564 else
2565 {
2566 hlpfile->first_page = page;
2567 hlpfile->last_page = page;
2568 page->prev = NULL;
2569 }
2570
2571 page->file = hlpfile;
2572 page->next = NULL;
2573 page->first_macro = NULL;
2574 page->first_link = NULL;
2575 page->wNumber = GET_UINT(buf, 0x21);
2576 page->offset = offset;
2577 page->reference = ref;
2578
2579 page->browse_bwd = GET_UINT(buf, 0x19);
2580 page->browse_fwd = GET_UINT(buf, 0x1D);
2581
2582 if (hlpfile->version <= 16)
2583 {
2584 if (page->browse_bwd == 0xFFFF || page->browse_bwd == 0xFFFFFFFF)
2585 page->browse_bwd = 0xFFFFFFFF;
2586 else
2587 page->browse_bwd = hlpfile->TOMap[page->browse_bwd];
2588
2589 if (page->browse_fwd == 0xFFFF || page->browse_fwd == 0xFFFFFFFF)
2590 page->browse_fwd = 0xFFFFFFFF;
2591 else
2592 page->browse_fwd = hlpfile->TOMap[page->browse_fwd];
2593 }
2594
2595 WINE_TRACE("Added page[%d]: title=%s %08x << %08x >> %08x\n",
2596 page->wNumber, debugstr_a(page->lpszTitle),
2597 page->browse_bwd, page->offset, page->browse_fwd);
2598
2599 /* now load macros */
2600 ptr = page->lpszTitle + strlen(page->lpszTitle) + 1;
2601 while (ptr < page->lpszTitle + titlesize)
2602 {
2603 unsigned len = strlen(ptr);
2604 char* macro_str;
2605
2606 WINE_TRACE("macro: %s\n", debugstr_a(ptr));
2607 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + len + 1);
2608 macro->lpszMacro = macro_str = (char*)(macro + 1);
2609 memcpy(macro_str, ptr, len + 1);
2610 /* FIXME: shall we really link macro in reverse order ??
2611 * may produce strange results when played at page opening
2612 */
2613 macro->next = page->first_macro;
2614 page->first_macro = macro;
2615 ptr += len + 1;
2616 }
2617
2618 return TRUE;
2619 }
2620
2621 /***********************************************************************
2622 *
2623 * HLPFILE_SkipParagraph
2624 */
2625 static BOOL HLPFILE_SkipParagraph(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned* len)
2626 {
2627 const BYTE *tmp;
2628
2629 if (!hlpfile->first_page) {WINE_WARN("no page\n"); return FALSE;};
2630 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
2631
2632 tmp = buf + 0x15;
2633 if (buf[0x14] == HLP_DISPLAY || buf[0x14] == HLP_TABLE)
2634 {
2635 fetch_long(&tmp);
2636 *len = fetch_ushort(&tmp);
2637 }
2638 else *len = end-buf-15;
2639
2640 return TRUE;
2641 }
2642
2643 /***********************************************************************
2644 *
2645 * HLPFILE_DoReadHlpFile
2646 */
2647 static BOOL HLPFILE_DoReadHlpFile(HLPFILE *hlpfile, LPCSTR lpszPath)
2648 {
2649 BOOL ret;
2650 HFILE hFile;
2651 OFSTRUCT ofs;
2652 BYTE* buf;
2653 DWORD ref = 0x0C;
2654 unsigned index, old_index, offset, len, offs, topicoffset;
2655
2656 hFile = OpenFile(lpszPath, &ofs, OF_READ);
2657 if (hFile == HFILE_ERROR) return FALSE;
2658
2659 ret = HLPFILE_ReadFileToBuffer(hlpfile, hFile);
2660 _lclose(hFile);
2661 if (!ret) return FALSE;
2662
2663 if (!HLPFILE_SystemCommands(hlpfile)) return FALSE;
2664
2665 if (hlpfile->version <= 16 && !HLPFILE_GetTOMap(hlpfile)) return FALSE;
2666
2667 /* load phrases support */
2668 if (!HLPFILE_UncompressLZ77_Phrases(hlpfile))
2669 HLPFILE_Uncompress_Phrases40(hlpfile);
2670
2671 if (!HLPFILE_Uncompress_Topic(hlpfile)) return FALSE;
2672 if (!HLPFILE_ReadFont(hlpfile)) return FALSE;
2673
2674 old_index = -1;
2675 offs = 0;
2676 do
2677 {
2678 BYTE* end;
2679
2680 if (hlpfile->version <= 16)
2681 {
2682 index = (ref - 0x0C) / hlpfile->dsize;
2683 offset = (ref - 0x0C) % hlpfile->dsize;
2684 }
2685 else
2686 {
2687 index = (ref - 0x0C) >> 14;
2688 offset = (ref - 0x0C) & 0x3FFF;
2689 }
2690
2691 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
2692 {
2693 /* we jumped to the next block, adjust pointers */
2694 ref -= 12;
2695 offset -= 12;
2696 }
2697
2698 WINE_TRACE("ref=%08x => [%u/%u]\n", ref, index, offset);
2699
2700 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
2701 buf = hlpfile->topic_map[index] + offset;
2702 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
2703 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
2704 if (index != old_index) {offs = 0; old_index = index;}
2705
2706 switch (buf[0x14])
2707 {
2708 case HLP_TOPICHDR: /* Topic Header */
2709 if (hlpfile->version <= 16)
2710 topicoffset = ref + index * 12;
2711 else
2712 topicoffset = index * 0x8000 + offs;
2713 if (!HLPFILE_AddPage(hlpfile, buf, end, ref, topicoffset)) return FALSE;
2714 break;
2715
2716 case HLP_DISPLAY30:
2717 case HLP_DISPLAY:
2718 case HLP_TABLE:
2719 if (!HLPFILE_SkipParagraph(hlpfile, buf, end, &len)) return FALSE;
2720 offs += len;
2721 break;
2722
2723 default:
2724 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
2725 }
2726
2727 if (hlpfile->version <= 16)
2728 {
2729 ref += GET_UINT(buf, 0xc);
2730 if (GET_UINT(buf, 0xc) == 0)
2731 break;
2732 }
2733 else
2734 ref = GET_UINT(buf, 0xc);
2735 } while (ref != 0xffffffff);
2736
2737 HLPFILE_GetKeywords(hlpfile);
2738 HLPFILE_GetMap(hlpfile);
2739 if (hlpfile->version <= 16) return TRUE;
2740 return HLPFILE_GetContext(hlpfile);
2741 }
2742
2743 /***********************************************************************
2744 *
2745 * HLPFILE_ReadHlpFile
2746 */
2747 HLPFILE *HLPFILE_ReadHlpFile(LPCSTR lpszPath)
2748 {
2749 HLPFILE* hlpfile;
2750
2751 for (hlpfile = first_hlpfile; hlpfile; hlpfile = hlpfile->next)
2752 {
2753 if (!strcmp(lpszPath, hlpfile->lpszPath))
2754 {
2755 hlpfile->wRefCount++;
2756 return hlpfile;
2757 }
2758 }
2759
2760 hlpfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2761 sizeof(HLPFILE) + strlen(lpszPath) + 1);
2762 if (!hlpfile) return 0;
2763
2764 hlpfile->lpszPath = (char*)hlpfile + sizeof(HLPFILE);
2765 hlpfile->contents_start = 0xFFFFFFFF;
2766 hlpfile->next = first_hlpfile;
2767 hlpfile->wRefCount = 1;
2768
2769 strcpy(hlpfile->lpszPath, lpszPath);
2770
2771 first_hlpfile = hlpfile;
2772 if (hlpfile->next) hlpfile->next->prev = hlpfile;
2773
2774 if (!HLPFILE_DoReadHlpFile(hlpfile, lpszPath))
2775 {
2776 HLPFILE_FreeHlpFile(hlpfile);
2777 hlpfile = 0;
2778 }
2779
2780 return hlpfile;
2781 }
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