projects / reactos.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Sync with trunk (48237)
[reactos.git] / 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 <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, (const 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 static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
765 const char* str, unsigned len, LONG hash,
766 unsigned clrChange, unsigned bHotSpot, unsigned wnd);
767
768 /******************************************************************
769 * HLPFILE_AddHotSpotLinks
770 *
771 */
772 static void HLPFILE_AddHotSpotLinks(struct RtfData* rd, HLPFILE* file,
773 const BYTE* start, ULONG hs_size, ULONG hs_offset)
774 {
775 unsigned i, hs_num;
776 ULONG hs_macro;
777 const char* str;
778
779 if (hs_size == 0 || hs_offset == 0) return;
780
781 start += hs_offset;
782 /* always 1 ?? */
783 hs_num = GET_USHORT(start, 1);
784 hs_macro = GET_UINT(start, 3);
785
786 str = (const char*)start + 7 + 15 * hs_num + hs_macro;
787 /* FIXME: should use hs_size to prevent out of bounds reads */
788 for (i = 0; i < hs_num; i++)
789 {
790 HLPFILE_HOTSPOTLINK* hslink;
791
792 WINE_TRACE("%02x-%02x%02x {%s,%s}\n",
793 start[7 + 15 * i + 0], start[7 + 15 * i + 1], start[7 + 15 * i + 2],
794 str, str + strlen(str) + 1);
795 /* str points to two null terminated strings:
796 * hotspot name, then link name
797 */
798 str += strlen(str) + 1; /* skip hotspot name */
799
800 hslink = NULL;
801 switch (start[7 + 15 * i + 0])
802 /* The next two chars always look like 0x04 0x00 ???
803 * What are they for ?
804 */
805 {
806 case 0xC8:
807 hslink = (HLPFILE_HOTSPOTLINK*)
808 HLPFILE_AllocLink(rd, hlp_link_macro, str, -1, 0, 0, 1, -1);
809 break;
810
811 case 0xE6:
812 case 0xE7:
813 hslink = (HLPFILE_HOTSPOTLINK*)
814 HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
815 file->lpszPath, -1, HLPFILE_Hash(str),
816 0, 1, -1);
817 break;
818
819 case 0xEE:
820 case 0xEF:
821 {
822 const char* win = strchr(str, '>');
823 int wnd = -1;
824 char* tgt = NULL;
825
826 if (win)
827 {
828 for (wnd = file->numWindows - 1; wnd >= 0; wnd--)
829 {
830 if (!strcmp(win + 1, file->windows[wnd].name)) break;
831 }
832 if (wnd == -1)
833 WINE_WARN("Couldn't find window info for %s\n", win);
834 if ((tgt = HeapAlloc(GetProcessHeap(), 0, win - str + 1)))
835 {
836 memcpy(tgt, str, win - str);
837 tgt[win - str] = '\0';
838 }
839 }
840 hslink = (HLPFILE_HOTSPOTLINK*)
841 HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
842 file->lpszPath, -1, HLPFILE_Hash(tgt ? tgt : str), 0, 1, wnd);
843 HeapFree(GetProcessHeap(), 0, tgt);
844 break;
845 }
846 default:
847 WINE_FIXME("unknown hotsport target 0x%x\n", start[7 + 15 * i + 0]);
848 }
849 if (hslink)
850 {
851 hslink->x = GET_USHORT(start, 7 + 15 * i + 3);
852 hslink->y = GET_USHORT(start, 7 + 15 * i + 5);
853 hslink->width = GET_USHORT(start, 7 + 15 * i + 7);
854 hslink->height = GET_USHORT(start, 7 + 15 * i + 9);
855 /* target = GET_UINT(start, 7 + 15 * i + 11); */
856 }
857 str += strlen(str) + 1;
858 }
859 }
860
861 /******************************************************************
862 * HLPFILE_RtfAddTransparentBitmap
863 *
864 * We'll transform a transparent bitmap into an metafile that
865 * we then transform into RTF
866 */
867 static BOOL HLPFILE_RtfAddTransparentBitmap(struct RtfData* rd, const BITMAPINFO* bi,
868 const void* pict, unsigned nc)
869 {
870 HDC hdc, hdcMask, hdcMem, hdcEMF;
871 HBITMAP hbm, hbmMask, hbmOldMask, hbmOldMem;
872 HENHMETAFILE hEMF;
873 BOOL ret = FALSE;
874 void* data;
875 UINT sz;
876
877 hbm = CreateDIBitmap(hdc = GetDC(0), &bi->bmiHeader,
878 CBM_INIT, pict, bi, DIB_RGB_COLORS);
879
880 hdcMem = CreateCompatibleDC(hdc);
881 hbmOldMem = SelectObject(hdcMem, hbm);
882
883 /* create the mask bitmap from the main bitmap */
884 hdcMask = CreateCompatibleDC(hdc);
885 hbmMask = CreateBitmap(bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, 1, 1, NULL);
886 hbmOldMask = SelectObject(hdcMask, hbmMask);
887 SetBkColor(hdcMem,
888 RGB(bi->bmiColors[nc - 1].rgbRed,
889 bi->bmiColors[nc - 1].rgbGreen,
890 bi->bmiColors[nc - 1].rgbBlue));
891 BitBlt(hdcMask, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCCOPY);
892
893 /* sets to RGB(0,0,0) the transparent bits in main bitmap */
894 SetBkColor(hdcMem, RGB(0,0,0));
895 SetTextColor(hdcMem, RGB(255,255,255));
896 BitBlt(hdcMem, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMask, 0, 0, SRCAND);
897
898 SelectObject(hdcMask, hbmOldMask);
899 DeleteDC(hdcMask);
900
901 SelectObject(hdcMem, hbmOldMem);
902 DeleteDC(hdcMem);
903
904 /* we create the bitmap on the fly */
905 hdcEMF = CreateEnhMetaFile(NULL, NULL, NULL, NULL);
906 hdcMem = CreateCompatibleDC(hdcEMF);
907
908 /* sets to RGB(0,0,0) the transparent bits in final bitmap */
909 hbmOldMem = SelectObject(hdcMem, hbmMask);
910 SetBkColor(hdcEMF, RGB(255, 255, 255));
911 SetTextColor(hdcEMF, RGB(0, 0, 0));
912 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCAND);
913
914 /* and copy the remaining bits of main bitmap */
915 SelectObject(hdcMem, hbm);
916 BitBlt(hdcEMF, 0, 0, bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, hdcMem, 0, 0, SRCPAINT);
917 SelectObject(hdcMem, hbmOldMem);
918 DeleteDC(hdcMem);
919
920 /* do the cleanup */
921 ReleaseDC(0, hdc);
922 DeleteObject(hbmMask);
923 DeleteObject(hbm);
924
925 hEMF = CloseEnhMetaFile(hdcEMF);
926
927 /* generate rtf stream */
928 sz = GetEnhMetaFileBits(hEMF, 0, NULL);
929 if (sz && (data = HeapAlloc(GetProcessHeap(), 0, sz)))
930 {
931 if (sz == GetEnhMetaFileBits(hEMF, sz, data))
932 {
933 ret = HLPFILE_RtfAddControl(rd, "{\\pict\\emfblip") &&
934 HLPFILE_RtfAddHexBytes(rd, data, sz) &&
935 HLPFILE_RtfAddControl(rd, "}");
936 }
937 HeapFree(GetProcessHeap(), 0, data);
938 }
939 DeleteEnhMetaFile(hEMF);
940
941 return ret;
942 }
943
944 /******************************************************************
945 * HLPFILE_RtfAddBitmap
946 *
947 */
948 static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE type, BYTE pack)
949 {
950 const BYTE* ptr;
951 const BYTE* pict_beg;
952 BYTE* alloc = NULL;
953 BITMAPINFO* bi;
954 ULONG off, csz;
955 unsigned nc = 0;
956 BOOL clrImportant = FALSE;
957 BOOL ret = FALSE;
958 char tmp[256];
959 unsigned hs_size, hs_offset;
960
961 bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
962 if (!bi) return FALSE;
963
964 ptr = beg + 2; /* for type and pack */
965
966 bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
967 bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
968 bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
969 bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
970 bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
971 bi->bmiHeader.biWidth = fetch_ulong(&ptr);
972 bi->bmiHeader.biHeight = fetch_ulong(&ptr);
973 bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
974 clrImportant = fetch_ulong(&ptr);
975 bi->bmiHeader.biClrImportant = (clrImportant > 1) ? clrImportant : 0;
976 bi->bmiHeader.biCompression = BI_RGB;
977 if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
978 if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
979 bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
980 WINE_TRACE("planes=%d bc=%d size=(%d,%d)\n",
981 bi->bmiHeader.biPlanes, bi->bmiHeader.biBitCount,
982 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
983
984 csz = fetch_ulong(&ptr);
985 hs_size = fetch_ulong(&ptr);
986
987 off = GET_UINT(ptr, 0); ptr += 4;
988 hs_offset = GET_UINT(ptr, 0); ptr += 4;
989 HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
990
991 /* now read palette info */
992 if (type == 0x06)
993 {
994 unsigned i;
995
996 nc = bi->bmiHeader.biClrUsed;
997 /* not quite right, especially for bitfields type of compression */
998 if (!nc && bi->bmiHeader.biBitCount <= 8)
999 nc = 1 << bi->bmiHeader.biBitCount;
1000
1001 bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
1002 if (!bi) return FALSE;
1003 for (i = 0; i < nc; i++)
1004 {
1005 bi->bmiColors[i].rgbBlue = ptr[0];
1006 bi->bmiColors[i].rgbGreen = ptr[1];
1007 bi->bmiColors[i].rgbRed = ptr[2];
1008 bi->bmiColors[i].rgbReserved = 0;
1009 ptr += 4;
1010 }
1011 }
1012 pict_beg = HLPFILE_DecompressGfx(beg + off, csz, bi->bmiHeader.biSizeImage, pack, &alloc);
1013
1014 if (clrImportant == 1 && nc > 0)
1015 {
1016 ret = HLPFILE_RtfAddTransparentBitmap(rd, bi, pict_beg, nc);
1017 goto done;
1018 }
1019 if (!HLPFILE_RtfAddControl(rd, "{\\pict")) goto done;
1020 if (type == 0x06)
1021 {
1022 sprintf(tmp, "\\dibitmap0\\picw%d\\pich%d",
1023 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
1024 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1025 if (!HLPFILE_RtfAddHexBytes(rd, bi, sizeof(*bi) + nc * sizeof(RGBQUAD))) goto done;
1026 }
1027 else
1028 {
1029 sprintf(tmp, "\\wbitmap0\\wbmbitspixel%d\\wbmplanes%d\\picw%d\\pich%d",
1030 bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes,
1031 bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
1032 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1033 }
1034 if (!HLPFILE_RtfAddHexBytes(rd, pict_beg, bi->bmiHeader.biSizeImage)) goto done;
1035 if (!HLPFILE_RtfAddControl(rd, "}")) goto done;
1036
1037 ret = TRUE;
1038 done:
1039 HeapFree(GetProcessHeap(), 0, bi);
1040 HeapFree(GetProcessHeap(), 0, alloc);
1041
1042 return ret;
1043 }
1044
1045 /******************************************************************
1046 * HLPFILE_RtfAddMetaFile
1047 *
1048 */
1049 static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE pack)
1050 {
1051 ULONG size, csize, off, hs_offset, hs_size;
1052 const BYTE* ptr;
1053 const BYTE* bits;
1054 BYTE* alloc = NULL;
1055 char tmp[256];
1056 unsigned mm;
1057 BOOL ret;
1058
1059 WINE_TRACE("Loading metafile\n");
1060
1061 ptr = beg + 2; /* for type and pack */
1062
1063 mm = fetch_ushort(&ptr); /* mapping mode */
1064 sprintf(tmp, "{\\pict\\wmetafile%d\\picw%d\\pich%d",
1065 mm, GET_USHORT(ptr, 0), GET_USHORT(ptr, 2));
1066 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1067 ptr += 4;
1068
1069 size = fetch_ulong(&ptr); /* decompressed size */
1070 csize = fetch_ulong(&ptr); /* compressed size */
1071 hs_size = fetch_ulong(&ptr); /* hotspot size */
1072 off = GET_UINT(ptr, 0);
1073 hs_offset = GET_UINT(ptr, 4);
1074 ptr += 8;
1075
1076 HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
1077
1078 WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u/%u\n",
1079 size, csize, off, (ULONG)(ptr - beg), hs_size, hs_offset);
1080
1081 bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack, &alloc);
1082 if (!bits) return FALSE;
1083
1084 ret = HLPFILE_RtfAddHexBytes(rd, bits, size) &&
1085 HLPFILE_RtfAddControl(rd, "}");
1086
1087 HeapFree(GetProcessHeap(), 0, alloc);
1088
1089 return ret;
1090 }
1091
1092 /******************************************************************
1093 * HLPFILE_RtfAddGfxByAddr
1094 *
1095 */
1096 static BOOL HLPFILE_RtfAddGfxByAddr(struct RtfData* rd, HLPFILE *hlpfile,
1097 const BYTE* ref, ULONG size)
1098 {
1099 unsigned i, numpict;
1100
1101 numpict = GET_USHORT(ref, 2);
1102 WINE_TRACE("Got picture magic=%04x #=%d\n", GET_USHORT(ref, 0), numpict);
1103
1104 for (i = 0; i < numpict; i++)
1105 {
1106 const BYTE* beg;
1107 const BYTE* ptr;
1108 BYTE type, pack;
1109
1110 WINE_TRACE("Offset[%d] = %x\n", i, GET_UINT(ref, (1 + i) * 4));
1111 beg = ptr = ref + GET_UINT(ref, (1 + i) * 4);
1112
1113 type = *ptr++;
1114 pack = *ptr++;
1115
1116 switch (type)
1117 {
1118 case 5: /* device dependent bmp */
1119 case 6: /* device independent bmp */
1120 HLPFILE_RtfAddBitmap(rd, hlpfile, beg, type, pack);
1121 break;
1122 case 8:
1123 HLPFILE_RtfAddMetaFile(rd, hlpfile, beg, pack);
1124 break;
1125 default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
1126 }
1127
1128 /* FIXME: hotspots */
1129
1130 /* FIXME: implement support for multiple picture format */
1131 if (numpict != 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
1132 break;
1133 }
1134 return TRUE;
1135 }
1136
1137 /******************************************************************
1138 * HLPFILE_RtfAddGfxByIndex
1139 *
1140 *
1141 */
1142 static BOOL HLPFILE_RtfAddGfxByIndex(struct RtfData* rd, HLPFILE *hlpfile,
1143 unsigned index)
1144 {
1145 char tmp[16];
1146 BYTE *ref, *end;
1147
1148 WINE_TRACE("Loading picture #%d\n", index);
1149
1150 sprintf(tmp, "|bm%u", index);
1151
1152 if (!HLPFILE_FindSubFile(hlpfile, tmp, &ref, &end)) {WINE_WARN("no sub file\n"); return FALSE;}
1153
1154 ref += 9;
1155 return HLPFILE_RtfAddGfxByAddr(rd, hlpfile, ref, end - ref);
1156 }
1157
1158 /******************************************************************
1159 * HLPFILE_AllocLink
1160 *
1161 *
1162 */
1163 static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
1164 const char* str, unsigned len, LONG hash,
1165 unsigned clrChange, unsigned bHotSpot, unsigned wnd)
1166 {
1167 HLPFILE_LINK* link;
1168 char* link_str;
1169 unsigned asz = bHotSpot ? sizeof(HLPFILE_HOTSPOTLINK) : sizeof(HLPFILE_LINK);
1170
1171 /* FIXME: should build a string table for the attributes.link.lpszPath
1172 * they are reallocated for each link
1173 */
1174 if (len == -1) len = strlen(str);
1175 link = HeapAlloc(GetProcessHeap(), 0, asz + len + 1);
1176 if (!link) return NULL;
1177
1178 link->cookie = cookie;
1179 link->string = link_str = (char*)link + asz;
1180 memcpy(link_str, str, len);
1181 link_str[len] = '\0';
1182 link->hash = hash;
1183 link->bClrChange = clrChange ? 1 : 0;
1184 link->bHotSpot = bHotSpot;
1185 link->window = wnd;
1186 link->next = rd->first_link;
1187 rd->first_link = link;
1188 link->cpMin = rd->char_pos;
1189 rd->force_color = clrChange;
1190 if (rd->current_link) WINE_FIXME("Pending link\n");
1191 if (bHotSpot)
1192 link->cpMax = rd->char_pos;
1193 else
1194 rd->current_link = link;
1195
1196 WINE_TRACE("Link[%d] to %s@%08x:%d\n",
1197 link->cookie, link->string, link->hash, link->window);
1198 return link;
1199 }
1200
1201 static unsigned HLPFILE_HalfPointsToTwips(unsigned pts)
1202 {
1203 static unsigned logPxY;
1204 if (!logPxY)
1205 {
1206 HDC hdc = GetDC(NULL);
1207 logPxY = GetDeviceCaps(hdc, LOGPIXELSY);
1208 ReleaseDC(NULL, hdc);
1209 }
1210 return MulDiv(pts, 72 * 10, logPxY);
1211 }
1212
1213 /***********************************************************************
1214 *
1215 * HLPFILE_BrowseParagraph
1216 */
1217 static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
1218 BYTE *buf, BYTE* end, unsigned* parlen)
1219 {
1220 UINT textsize;
1221 const BYTE *format, *format_end;
1222 char *text, *text_base, *text_end;
1223 LONG size, blocksize, datalen;
1224 unsigned short bits;
1225 unsigned nc, ncol = 1;
1226 short table_width;
1227 BOOL in_table = FALSE;
1228 char tmp[256];
1229 BOOL ret = FALSE;
1230
1231 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
1232
1233 *parlen = 0;
1234 blocksize = GET_UINT(buf, 0);
1235 size = GET_UINT(buf, 0x4);
1236 datalen = GET_UINT(buf, 0x10);
1237 text = text_base = HeapAlloc(GetProcessHeap(), 0, size);
1238 if (!text) return FALSE;
1239 if (size > blocksize - datalen)
1240 {
1241 /* need to decompress */
1242 if (page->file->hasPhrases)
1243 HLPFILE_Uncompress2(page->file, buf + datalen, end, (BYTE*)text, (BYTE*)text + size);
1244 else if (page->file->hasPhrases40)
1245 HLPFILE_Uncompress3(page->file, text, text + size, buf + datalen, end);
1246 else
1247 {
1248 WINE_FIXME("Text size is too long, splitting\n");
1249 size = blocksize - datalen;
1250 memcpy(text, buf + datalen, size);
1251 }
1252 }
1253 else
1254 memcpy(text, buf + datalen, size);
1255
1256 text_end = text + size;
1257
1258 format = buf + 0x15;
1259 format_end = buf + GET_UINT(buf, 0x10);
1260
1261 if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
1262 {
1263 fetch_long(&format);
1264 *parlen = fetch_ushort(&format);
1265 }
1266
1267 if (buf[0x14] == 0x23)
1268 {
1269 char type;
1270
1271 in_table = TRUE;
1272 ncol = *format++;
1273
1274 if (!HLPFILE_RtfAddControl(rd, "\\trowd")) goto done;
1275 type = *format++;
1276 if (type == 0 || type == 2)
1277 {
1278 table_width = GET_SHORT(format, 0);
1279 format += 2;
1280 }
1281 else
1282 table_width = 32767;
1283 WINE_TRACE("New table: cols=%d type=%x width=%d\n",
1284 ncol, type, table_width);
1285 if (ncol > 1)
1286 {
1287 int pos;
1288 sprintf(tmp, "\\trgaph%d\\trleft%d",
1289 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 6), table_width, 32767)),
1290 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0), table_width, 32767)));
1291 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1292 pos = HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 6) / 2, table_width, 32767));
1293 for (nc = 0; nc < ncol; nc++)
1294 {
1295 WINE_TRACE("column(%d/%d) gap=%d width=%d\n",
1296 nc, ncol, GET_SHORT(format, nc*4),
1297 GET_SHORT(format, nc*4+2));
1298 pos += GET_SHORT(format, nc * 4) + GET_SHORT(format, nc * 4 + 2);
1299 sprintf(tmp, "\\cellx%d",
1300 HLPFILE_HalfPointsToTwips(MulDiv(pos, table_width, 32767)));
1301 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1302 }
1303 }
1304 else
1305 {
1306 WINE_TRACE("column(0/%d) gap=%d width=%d\n",
1307 ncol, GET_SHORT(format, 0), GET_SHORT(format, 2));
1308 sprintf(tmp, "\\trleft%d\\cellx%d ",
1309 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0), table_width, 32767)),
1310 HLPFILE_HalfPointsToTwips(MulDiv(GET_SHORT(format, 0) + GET_SHORT(format, 2),
1311 table_width, 32767)));
1312 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1313 }
1314 format += ncol * 4;
1315 }
1316
1317 for (nc = 0; nc < ncol; /**/)
1318 {
1319 WINE_TRACE("looking for format at offset %lu in column %d\n", (SIZE_T)(format - (buf + 0x15)), nc);
1320 if (!HLPFILE_RtfAddControl(rd, "\\pard")) goto done;
1321 if (in_table)
1322 {
1323 nc = GET_SHORT(format, 0);
1324 if (nc == -1) break;
1325 format += 5;
1326 if (!HLPFILE_RtfAddControl(rd, "\\intbl")) goto done;
1327 }
1328 else nc++;
1329 if (buf[0x14] == 0x01)
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_HalfPointsToTwips(fetch_short(&format)));
1338 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1339 }
1340 if (bits & 0x0004)
1341 {
1342 sprintf(tmp, "\\sa%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1343 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1344 }
1345 if (bits & 0x0008)
1346 {
1347 sprintf(tmp, "\\sl%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1348 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1349 }
1350 if (bits & 0x0010)
1351 {
1352 sprintf(tmp, "\\li%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1353 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1354 }
1355 if (bits & 0x0020)
1356 {
1357 sprintf(tmp, "\\ri%d", HLPFILE_HalfPointsToTwips(fetch_short(&format)));
1358 if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
1359 }
1360 if (bits & 0x0040)
1361 {
1362 sprintf(tmp, "\\fi%d", HLPFILE_HalfPointsToTwips(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_HalfPointsToTwips(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_HalfPointsToTwips(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", wine_dbgstr_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 if (*format == 0xff)
1444 {
1445 format++;
1446 break;
1447 }
1448
1449 WINE_TRACE("format=%02x\n", *format);
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: missing at least colors, also bold attribute looses information */
1479
1480 sprintf(tmp, "\\f%d\\cf%d\\fs%d%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 (in_table)
1498 {
1499 if (format[1] != 0xFF)
1500 {
1501 if (!HLPFILE_RtfAddControl(rd, "\\par\\intbl")) goto done;
1502 }
1503 else
1504 {
1505 if (!HLPFILE_RtfAddControl(rd, "\\cell\\pard\\intbl")) goto done;
1506 }
1507 }
1508 else if (!HLPFILE_RtfAddControl(rd, "\\par")) goto done;
1509 format += 1;
1510 rd->char_pos++;
1511 break;
1512
1513 case 0x83:
1514 if (!HLPFILE_RtfAddControl(rd, "\\tab")) goto done;
1515 format += 1;
1516 rd->char_pos++;
1517 break;
1518
1519 #if 0
1520 case 0x84:
1521 format += 3;
1522 break;
1523 #endif
1524
1525 case 0x86:
1526 case 0x87:
1527 case 0x88:
1528 {
1529 BYTE type = format[1];
1530 LONG size;
1531
1532 /* FIXME: we don't use 'BYTE pos = (*format - 0x86);' for the image position */
1533 format += 2;
1534 size = fetch_long(&format);
1535
1536 switch (type)
1537 {
1538 case 0x22:
1539 fetch_ushort(&format); /* hot spot */
1540 /* fall thru */
1541 case 0x03:
1542 switch (GET_SHORT(format, 0))
1543 {
1544 case 0:
1545 HLPFILE_RtfAddGfxByIndex(rd, page->file, GET_SHORT(format, 2));
1546 rd->char_pos++;
1547 break;
1548 case 1:
1549 WINE_FIXME("does it work ??? %x<%u>#%u\n",
1550 GET_SHORT(format, 0),
1551 size, GET_SHORT(format, 2));
1552 HLPFILE_RtfAddGfxByAddr(rd, page->file, format + 2, size - 4);
1553 rd->char_pos++;
1554 break;
1555 default:
1556 WINE_FIXME("??? %u\n", GET_SHORT(format, 0));
1557 break;
1558 }
1559 break;
1560 case 0x05:
1561 WINE_FIXME("Got an embedded element %s\n", format + 6);
1562 break;
1563 default:
1564 WINE_FIXME("Got a type %d picture\n", type);
1565 break;
1566 }
1567 format += size;
1568 }
1569 break;
1570
1571 case 0x89:
1572 format += 1;
1573 if (!rd->current_link)
1574 WINE_FIXME("No existing link\n");
1575 rd->current_link->cpMax = rd->char_pos;
1576 rd->current_link = NULL;
1577 rd->force_color = FALSE;
1578 break;
1579
1580 case 0x8B:
1581 if (!HLPFILE_RtfAddControl(rd, "\\~")) goto done;
1582 format += 1;
1583 rd->char_pos++;
1584 break;
1585
1586 case 0x8C:
1587 if (!HLPFILE_RtfAddControl(rd, "\\_")) goto done;
1588 /* FIXME: it could be that hypen is also in input stream !! */
1589 format += 1;
1590 rd->char_pos++;
1591 break;
1592
1593 #if 0
1594 case 0xA9:
1595 format += 2;
1596 break;
1597 #endif
1598
1599 case 0xC8:
1600 case 0xCC:
1601 WINE_TRACE("macro => %s\n", format + 3);
1602 HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
1603 GET_USHORT(format, 1), 0, !(*format & 4), 0, -1);
1604 format += 3 + GET_USHORT(format, 1);
1605 break;
1606
1607 case 0xE0:
1608 case 0xE1:
1609 WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
1610 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1611 page->file->lpszPath, -1, GET_UINT(format, 1), 1, 0, -1);
1612
1613
1614 format += 5;
1615 break;
1616
1617 case 0xE2:
1618 case 0xE3:
1619 case 0xE6:
1620 case 0xE7:
1621 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1622 page->file->lpszPath, -1, GET_UINT(format, 1),
1623 !(*format & 4), 0, -1);
1624 format += 5;
1625 break;
1626
1627 case 0xEA:
1628 case 0xEB:
1629 case 0xEE:
1630 case 0xEF:
1631 {
1632 const char* ptr = (const char*) format + 8;
1633 BYTE type = format[3];
1634 int wnd = -1;
1635
1636 switch (type)
1637 {
1638 case 1:
1639 wnd = *ptr;
1640 /* fall through */
1641 case 0:
1642 ptr = page->file->lpszPath;
1643 break;
1644 case 6:
1645 for (wnd = page->file->numWindows - 1; wnd >= 0; wnd--)
1646 {
1647 if (!strcmp(ptr, page->file->windows[wnd].name)) break;
1648 }
1649 if (wnd == -1)
1650 WINE_WARN("Couldn't find window info for %s\n", ptr);
1651 ptr += strlen(ptr) + 1;
1652 /* fall through */
1653 case 4:
1654 break;
1655 default:
1656 WINE_WARN("Unknown link type %d\n", type);
1657 break;
1658 }
1659 HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
1660 ptr, -1, GET_UINT(format, 4), !(*format & 4), 0, wnd);
1661 }
1662 format += 3 + GET_USHORT(format, 1);
1663 break;
1664
1665 default:
1666 WINE_WARN("format %02x\n", *format);
1667 format++;
1668 }
1669 }
1670 }
1671 if (in_table)
1672 {
1673 if (!HLPFILE_RtfAddControl(rd, "\\row\\par\\pard\\plain")) goto done;
1674 rd->char_pos += 2;
1675 }
1676 ret = TRUE;
1677 done:
1678
1679 HeapFree(GetProcessHeap(), 0, text_base);
1680 return ret;
1681 }
1682
1683 /******************************************************************
1684 * HLPFILE_BrowsePage
1685 *
1686 */
1687 BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd,
1688 unsigned font_scale, unsigned relative)
1689 {
1690 HLPFILE *hlpfile = page->file;
1691 BYTE *buf, *end;
1692 DWORD ref = page->reference;
1693 unsigned index, old_index = -1, offset, count = 0, offs = 0;
1694 unsigned cpg, parlen;
1695 char tmp[1024];
1696 const char* ck = NULL;
1697
1698 rd->in_text = TRUE;
1699 rd->data = rd->ptr = HeapAlloc(GetProcessHeap(), 0, rd->allocated = 32768);
1700 rd->char_pos = 0;
1701 rd->first_link = rd->current_link = NULL;
1702 rd->force_color = FALSE;
1703 rd->font_scale = font_scale;
1704 rd->relative = relative;
1705 rd->char_pos_rel = 0;
1706
1707 switch (hlpfile->charset)
1708 {
1709 case DEFAULT_CHARSET:
1710 case ANSI_CHARSET: cpg = 1252; break;
1711 case SHIFTJIS_CHARSET: cpg = 932; break;
1712 case HANGEUL_CHARSET: cpg = 949; break;
1713 case GB2312_CHARSET: cpg = 936; break;
1714 case CHINESEBIG5_CHARSET: cpg = 950; break;
1715 case GREEK_CHARSET: cpg = 1253; break;
1716 case TURKISH_CHARSET: cpg = 1254; break;
1717 case HEBREW_CHARSET: cpg = 1255; break;
1718 case ARABIC_CHARSET: cpg = 1256; break;
1719 case BALTIC_CHARSET: cpg = 1257; break;
1720 case VIETNAMESE_CHARSET: cpg = 1258; break;
1721 case RUSSIAN_CHARSET: cpg = 1251; break;
1722 case EE_CHARSET: cpg = 1250; break;
1723 case THAI_CHARSET: cpg = 874; break;
1724 case JOHAB_CHARSET: cpg = 1361; break;
1725 case MAC_CHARSET: ck = "mac"; break;
1726 default:
1727 WINE_FIXME("Unsupported charset %u\n", hlpfile->charset);
1728 cpg = 1252;
1729 }
1730 if (ck)
1731 {
1732 sprintf(tmp, "{\\rtf1\\%s\\deff0", ck);
1733 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1734 }
1735 else
1736 {
1737 sprintf(tmp, "{\\rtf1\\ansi\\ansicpg%d\\deff0", cpg);
1738 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1739 }
1740
1741 /* generate font table */
1742 if (!HLPFILE_RtfAddControl(rd, "{\\fonttbl")) return FALSE;
1743 for (index = 0; index < hlpfile->numFonts; index++)
1744 {
1745 const char* family;
1746 switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
1747 {
1748 case FF_MODERN: family = "modern"; break;
1749 case FF_ROMAN: family = "roman"; break;
1750 case FF_SWISS: family = "swiss"; break;
1751 case FF_SCRIPT: family = "script"; break;
1752 case FF_DECORATIVE: family = "decor"; break;
1753 default: family = "nil"; break;
1754 }
1755 sprintf(tmp, "{\\f%d\\f%s\\fprq%d\\fcharset%d %s;}",
1756 index, family,
1757 hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0x0F,
1758 hlpfile->fonts[index].LogFont.lfCharSet,
1759 hlpfile->fonts[index].LogFont.lfFaceName);
1760 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1761 }
1762 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1763 /* generate color table */
1764 if (!HLPFILE_RtfAddControl(rd, "{\\colortbl ;\\red0\\green128\\blue0;")) return FALSE;
1765 for (index = 0; index < hlpfile->numFonts; index++)
1766 {
1767 sprintf(tmp, "\\red%d\\green%d\\blue%d;",
1768 GetRValue(hlpfile->fonts[index].color),
1769 GetGValue(hlpfile->fonts[index].color),
1770 GetBValue(hlpfile->fonts[index].color));
1771 if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
1772 }
1773 if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
1774
1775 do
1776 {
1777 if (hlpfile->version <= 16)
1778 {
1779 index = (ref - 0x0C) / hlpfile->dsize;
1780 offset = (ref - 0x0C) % hlpfile->dsize;
1781 }
1782 else
1783 {
1784 index = (ref - 0x0C) >> 14;
1785 offset = (ref - 0x0C) & 0x3FFF;
1786 }
1787
1788 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
1789 {
1790 /* we jumped to the next block, adjust pointers */
1791 ref -= 12;
1792 offset -= 12;
1793 }
1794
1795 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
1796 buf = hlpfile->topic_map[index] + offset;
1797 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
1798 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
1799 if (index != old_index) {offs = 0; old_index = index;}
1800
1801 switch (buf[0x14])
1802 {
1803 case 0x02:
1804 if (count++) goto done;
1805 break;
1806 case 0x01:
1807 case 0x20:
1808 case 0x23:
1809 if (!HLPFILE_BrowseParagraph(page, rd, buf, end, &parlen)) return FALSE;
1810 if (relative > index * 0x8000 + offs)
1811 rd->char_pos_rel = rd->char_pos;
1812 offs += parlen;
1813 break;
1814 default:
1815 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
1816 }
1817 if (hlpfile->version <= 16)
1818 {
1819 ref += GET_UINT(buf, 0xc);
1820 if (GET_UINT(buf, 0xc) == 0)
1821 break;
1822 }
1823 else
1824 ref = GET_UINT(buf, 0xc);
1825 } while (ref != 0xffffffff);
1826 done:
1827 page->first_link = rd->first_link;
1828 return HLPFILE_RtfAddControl(rd, "}");
1829 }
1830
1831 /******************************************************************
1832 * HLPFILE_ReadFont
1833 *
1834 *
1835 */
1836 static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
1837 {
1838 BYTE *ref, *end;
1839 unsigned i, len, idx;
1840 unsigned face_num, dscr_num, face_offset, dscr_offset;
1841 BYTE flag, family;
1842
1843 if (!HLPFILE_FindSubFile(hlpfile, "|FONT", &ref, &end))
1844 {
1845 WINE_WARN("no subfile FONT\n");
1846 hlpfile->numFonts = 0;
1847 hlpfile->fonts = NULL;
1848 return FALSE;
1849 }
1850
1851 ref += 9;
1852
1853 face_num = GET_USHORT(ref, 0);
1854 dscr_num = GET_USHORT(ref, 2);
1855 face_offset = GET_USHORT(ref, 4);
1856 dscr_offset = GET_USHORT(ref, 6);
1857
1858 WINE_TRACE("Got NumFacenames=%u@%u NumDesc=%u@%u\n",
1859 face_num, face_offset, dscr_num, dscr_offset);
1860
1861 hlpfile->numFonts = dscr_num;
1862 hlpfile->fonts = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_FONT) * dscr_num);
1863
1864 len = (dscr_offset - face_offset) / face_num;
1865 /* EPP for (i = face_offset; i < dscr_offset; i += len) */
1866 /* EPP WINE_FIXME("[%d]: %*s\n", i / len, len, ref + i); */
1867 for (i = 0; i < dscr_num; i++)
1868 {
1869 flag = ref[dscr_offset + i * 11 + 0];
1870 family = ref[dscr_offset + i * 11 + 2];
1871
1872 hlpfile->fonts[i].LogFont.lfHeight = ref[dscr_offset + i * 11 + 1];
1873 hlpfile->fonts[i].LogFont.lfWidth = 0;
1874 hlpfile->fonts[i].LogFont.lfEscapement = 0;
1875 hlpfile->fonts[i].LogFont.lfOrientation = 0;
1876 hlpfile->fonts[i].LogFont.lfWeight = (flag & 1) ? 700 : 400;
1877 hlpfile->fonts[i].LogFont.lfItalic = (flag & 2) ? TRUE : FALSE;
1878 hlpfile->fonts[i].LogFont.lfUnderline = (flag & 4) ? TRUE : FALSE;
1879 hlpfile->fonts[i].LogFont.lfStrikeOut = (flag & 8) ? TRUE : FALSE;
1880 hlpfile->fonts[i].LogFont.lfCharSet = hlpfile->charset;
1881 hlpfile->fonts[i].LogFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
1882 hlpfile->fonts[i].LogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1883 hlpfile->fonts[i].LogFont.lfQuality = DEFAULT_QUALITY;
1884 hlpfile->fonts[i].LogFont.lfPitchAndFamily = DEFAULT_PITCH;
1885
1886 switch (family)
1887 {
1888 case 0x01: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_MODERN; break;
1889 case 0x02: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_ROMAN; break;
1890 case 0x03: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SWISS; break;
1891 case 0x04: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SCRIPT; break;
1892 case 0x05: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_DECORATIVE; break;
1893 default: WINE_FIXME("Unknown family %u\n", family);
1894 }
1895 idx = GET_USHORT(ref, dscr_offset + i * 11 + 3);
1896
1897 if (idx < face_num)
1898 {
1899 memcpy(hlpfile->fonts[i].LogFont.lfFaceName, ref + face_offset + idx * len, min(len, LF_FACESIZE - 1));
1900 hlpfile->fonts[i].LogFont.lfFaceName[min(len, LF_FACESIZE - 1)] = '\0';
1901 }
1902 else
1903 {
1904 WINE_FIXME("Too high face ref (%u/%u)\n", idx, face_num);
1905 strcpy(hlpfile->fonts[i].LogFont.lfFaceName, "Helv");
1906 }
1907 hlpfile->fonts[i].hFont = 0;
1908 hlpfile->fonts[i].color = RGB(ref[dscr_offset + i * 11 + 5],
1909 ref[dscr_offset + i * 11 + 6],
1910 ref[dscr_offset + i * 11 + 7]);
1911 #define X(b,s) ((flag & (1 << b)) ? "-"s: "")
1912 WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
1913 i, flag,
1914 X(0, "bold"),
1915 X(1, "italic"),
1916 X(2, "underline"),
1917 X(3, "strikeOut"),
1918 X(4, "dblUnderline"),
1919 X(5, "smallCaps"),
1920 ref[dscr_offset + i * 11 + 1],
1921 family,
1922 hlpfile->fonts[i].LogFont.lfFaceName, idx,
1923 GET_UINT(ref, dscr_offset + i * 11 + 5) & 0x00FFFFFF);
1924 }
1925 return TRUE;
1926 }
1927
1928 /***********************************************************************
1929 *
1930 * HLPFILE_ReadFileToBuffer
1931 */
1932 static BOOL HLPFILE_ReadFileToBuffer(HLPFILE* hlpfile, HFILE hFile)
1933 {
1934 BYTE header[16], dummy[1];
1935
1936 if (_hread(hFile, header, 16) != 16) {WINE_WARN("header\n"); return FALSE;};
1937
1938 /* sanity checks */
1939 if (GET_UINT(header, 0) != 0x00035F3F)
1940 {WINE_WARN("wrong header\n"); return FALSE;};
1941
1942 hlpfile->file_buffer_size = GET_UINT(header, 12);
1943 hlpfile->file_buffer = HeapAlloc(GetProcessHeap(), 0, hlpfile->file_buffer_size + 1);
1944 if (!hlpfile->file_buffer) return FALSE;
1945
1946 memcpy(hlpfile->file_buffer, header, 16);
1947 if (_hread(hFile, hlpfile->file_buffer + 16, hlpfile->file_buffer_size - 16) !=hlpfile->file_buffer_size - 16)
1948 {WINE_WARN("filesize1\n"); return FALSE;};
1949
1950 if (_hread(hFile, dummy, 1) != 0) WINE_WARN("filesize2\n");
1951
1952 hlpfile->file_buffer[hlpfile->file_buffer_size] = '\0'; /* FIXME: was '0', sounds backwards to me */
1953
1954 return TRUE;
1955 }
1956
1957 /***********************************************************************
1958 *
1959 * HLPFILE_SystemCommands
1960 */
1961 static BOOL HLPFILE_SystemCommands(HLPFILE* hlpfile)
1962 {
1963 BYTE *buf, *ptr, *end;
1964 HLPFILE_MACRO *macro, **m;
1965 LPSTR p;
1966 unsigned short magic, minor, major, flags;
1967
1968 hlpfile->lpszTitle = NULL;
1969
1970 if (!HLPFILE_FindSubFile(hlpfile, "|SYSTEM", &buf, &end)) return FALSE;
1971
1972 magic = GET_USHORT(buf + 9, 0);
1973 minor = GET_USHORT(buf + 9, 2);
1974 major = GET_USHORT(buf + 9, 4);
1975 /* gen date on 4 bytes */
1976 flags = GET_USHORT(buf + 9, 10);
1977 WINE_TRACE("Got system header: magic=%04x version=%d.%d flags=%04x\n",
1978 magic, major, minor, flags);
1979 if (magic != 0x036C || major != 1)
1980 {WINE_WARN("Wrong system header\n"); return FALSE;}
1981 if (minor <= 16)
1982 {
1983 hlpfile->tbsize = 0x800;
1984 hlpfile->compressed = 0;
1985 }
1986 else if (flags == 0)
1987 {
1988 hlpfile->tbsize = 0x1000;
1989 hlpfile->compressed = 0;
1990 }
1991 else if (flags == 4)
1992 {
1993 hlpfile->tbsize = 0x1000;
1994 hlpfile->compressed = 1;
1995 }
1996 else
1997 {
1998 hlpfile->tbsize = 0x800;
1999 hlpfile->compressed = 1;
2000 }
2001
2002 if (hlpfile->compressed)
2003 hlpfile->dsize = 0x4000;
2004 else
2005 hlpfile->dsize = hlpfile->tbsize - 0x0C;
2006
2007 hlpfile->version = minor;
2008 hlpfile->flags = flags;
2009 hlpfile->charset = DEFAULT_CHARSET;
2010
2011 if (hlpfile->version <= 16)
2012 {
2013 char *str = (char*)buf + 0x15;
2014
2015 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2016 if (!hlpfile->lpszTitle) return FALSE;
2017 lstrcpy(hlpfile->lpszTitle, str);
2018 WINE_TRACE("Title: %s\n", hlpfile->lpszTitle);
2019 /* Nothing more to parse */
2020 return TRUE;
2021 }
2022 for (ptr = buf + 0x15; ptr + 4 <= end; ptr += GET_USHORT(ptr, 2) + 4)
2023 {
2024 char *str = (char*) ptr + 4;
2025 switch (GET_USHORT(ptr, 0))
2026 {
2027 case 1:
2028 if (hlpfile->lpszTitle) {WINE_WARN("title\n"); break;}
2029 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2030 if (!hlpfile->lpszTitle) return FALSE;
2031 lstrcpy(hlpfile->lpszTitle, str);
2032 WINE_TRACE("Title: %s\n", hlpfile->lpszTitle);
2033 break;
2034
2035 case 2:
2036 if (hlpfile->lpszCopyright) {WINE_WARN("copyright\n"); break;}
2037 hlpfile->lpszCopyright = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
2038 if (!hlpfile->lpszCopyright) return FALSE;
2039 lstrcpy(hlpfile->lpszCopyright, str);
2040 WINE_TRACE("Copyright: %s\n", hlpfile->lpszCopyright);
2041 break;
2042
2043 case 3:
2044 if (GET_USHORT(ptr, 2) != 4) {WINE_WARN("system3\n");break;}
2045 hlpfile->contents_start = GET_UINT(ptr, 4);
2046 WINE_TRACE("Setting contents start at %08lx\n", hlpfile->contents_start);
2047 break;
2048
2049 case 4:
2050 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + lstrlen(str) + 1);
2051 if (!macro) break;
2052 p = (char*)macro + sizeof(HLPFILE_MACRO);
2053 lstrcpy(p, str);
2054 macro->lpszMacro = p;
2055 macro->next = 0;
2056 for (m = &hlpfile->first_macro; *m; m = &(*m)->next);
2057 *m = macro;
2058 break;
2059
2060 case 5:
2061 if (GET_USHORT(ptr, 4 + 4) != 1)
2062 WINE_FIXME("More than one icon, picking up first\n");
2063 /* 0x16 is sizeof(CURSORICONDIR), see user32/user_private.h */
2064 hlpfile->hIcon = CreateIconFromResourceEx(ptr + 4 + 0x16,
2065 GET_USHORT(ptr, 2) - 0x16, TRUE,
2066 0x30000, 0, 0, 0);
2067 break;
2068
2069 case 6:
2070 if (GET_USHORT(ptr, 2) != 90) {WINE_WARN("system6\n");break;}
2071
2072 if (hlpfile->windows)
2073 hlpfile->windows = HeapReAlloc(GetProcessHeap(), 0, hlpfile->windows,
2074 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
2075 else
2076 hlpfile->windows = HeapAlloc(GetProcessHeap(), 0,
2077 sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
2078
2079 if (hlpfile->windows)
2080 {
2081 unsigned flags = GET_USHORT(ptr, 4);
2082 HLPFILE_WINDOWINFO* wi = &hlpfile->windows[hlpfile->numWindows - 1];
2083
2084 if (flags & 0x0001) strcpy(wi->type, &str[2]);
2085 else wi->type[0] = '\0';
2086 if (flags & 0x0002) strcpy(wi->name, &str[12]);
2087 else wi->name[0] = '\0';
2088 if (flags & 0x0004) strcpy(wi->caption, &str[21]);
2089 else lstrcpynA(wi->caption, hlpfile->lpszTitle, sizeof(wi->caption));
2090 wi->origin.x = (flags & 0x0008) ? GET_USHORT(ptr, 76) : CW_USEDEFAULT;
2091 wi->origin.y = (flags & 0x0010) ? GET_USHORT(ptr, 78) : CW_USEDEFAULT;
2092 wi->size.cx = (flags & 0x0020) ? GET_USHORT(ptr, 80) : CW_USEDEFAULT;
2093 wi->size.cy = (flags & 0x0040) ? GET_USHORT(ptr, 82) : CW_USEDEFAULT;
2094 wi->style = (flags & 0x0080) ? GET_USHORT(ptr, 84) : SW_SHOW;
2095 wi->win_style = WS_OVERLAPPEDWINDOW;
2096 wi->sr_color = (flags & 0x0100) ? GET_UINT(ptr, 86) : 0xFFFFFF;
2097 wi->nsr_color = (flags & 0x0200) ? GET_UINT(ptr, 90) : 0xFFFFFF;
2098 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",
2099 flags & 0x0001 ? 'T' : 't',
2100 flags & 0x0002 ? 'N' : 'n',
2101 flags & 0x0004 ? 'C' : 'c',
2102 flags & 0x0008 ? 'X' : 'x',
2103 flags & 0x0010 ? 'Y' : 'y',
2104 flags & 0x0020 ? 'W' : 'w',
2105 flags & 0x0040 ? 'H' : 'h',
2106 flags & 0x0080 ? 'S' : 's',
2107 wi->type, wi->name, wi->caption, wi->origin.x, wi->origin.y,
2108 wi->size.cx, wi->size.cy);
2109 }
2110 break;
2111 case 8:
2112 WINE_WARN("Citation: '%s'\n", ptr + 4);
2113 break;
2114 case 11:
2115 hlpfile->charset = ptr[4];
2116 WINE_TRACE("Charset: %d\n", hlpfile->charset);
2117 break;
2118 default:
2119 WINE_WARN("Unsupported SystemRecord[%d]\n", GET_USHORT(ptr, 0));
2120 }
2121 }
2122 if (!hlpfile->lpszTitle)
2123 hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 1);
2124 return TRUE;
2125 }
2126
2127 /***********************************************************************
2128 *
2129 * HLPFILE_GetContext
2130 */
2131 static BOOL HLPFILE_GetContext(HLPFILE *hlpfile)
2132 {
2133 BYTE *cbuf, *cend;
2134 unsigned clen;
2135
2136 if (!HLPFILE_FindSubFile(hlpfile, "|CONTEXT", &cbuf, &cend))
2137 {WINE_WARN("context0\n"); return FALSE;}
2138
2139 clen = cend - cbuf;
2140 hlpfile->Context = HeapAlloc(GetProcessHeap(), 0, clen);
2141 if (!hlpfile->Context) return FALSE;
2142 memcpy(hlpfile->Context, cbuf, clen);
2143
2144 return TRUE;
2145 }
2146
2147 /***********************************************************************
2148 *
2149 * HLPFILE_GetKeywords
2150 */
2151 static BOOL HLPFILE_GetKeywords(HLPFILE *hlpfile)
2152 {
2153 BYTE *cbuf, *cend;
2154 unsigned clen;
2155
2156 if (!HLPFILE_FindSubFile(hlpfile, "|KWBTREE", &cbuf, &cend)) return FALSE;
2157 clen = cend - cbuf;
2158 hlpfile->kwbtree = HeapAlloc(GetProcessHeap(), 0, clen);
2159 if (!hlpfile->kwbtree) return FALSE;
2160 memcpy(hlpfile->kwbtree, cbuf, clen);
2161
2162 if (!HLPFILE_FindSubFile(hlpfile, "|KWDATA", &cbuf, &cend))
2163 {
2164 WINE_ERR("corrupted help file: kwbtree present but kwdata absent\n");
2165 HeapFree(GetProcessHeap(), 0, hlpfile->kwbtree);
2166 return FALSE;
2167 }
2168 clen = cend - cbuf;
2169 hlpfile->kwdata = HeapAlloc(GetProcessHeap(), 0, clen);
2170 if (!hlpfile->kwdata)
2171 {
2172 HeapFree(GetProcessHeap(), 0, hlpfile->kwdata);
2173 return FALSE;
2174 }
2175 memcpy(hlpfile->kwdata, cbuf, clen);
2176
2177 return TRUE;
2178 }
2179
2180 /***********************************************************************
2181 *
2182 * HLPFILE_GetMap
2183 */
2184 static BOOL HLPFILE_GetMap(HLPFILE *hlpfile)
2185 {
2186 BYTE *cbuf, *cend;
2187 unsigned entries, i;
2188
2189 if (!HLPFILE_FindSubFile(hlpfile, "|CTXOMAP", &cbuf, &cend))
2190 {WINE_WARN("no map section\n"); return FALSE;}
2191
2192 entries = GET_USHORT(cbuf, 9);
2193 hlpfile->Map = HeapAlloc(GetProcessHeap(), 0, entries * sizeof(HLPFILE_MAP));
2194 if (!hlpfile->Map) return FALSE;
2195 hlpfile->wMapLen = entries;
2196 for (i = 0; i < entries; i++)
2197 {
2198 hlpfile->Map[i].lMap = GET_UINT(cbuf+11,i*8);
2199 hlpfile->Map[i].offset = GET_UINT(cbuf+11,i*8+4);
2200 }
2201 return TRUE;
2202 }
2203
2204 /***********************************************************************
2205 *
2206 * HLPFILE_GetTOMap
2207 */
2208 static BOOL HLPFILE_GetTOMap(HLPFILE *hlpfile)
2209 {
2210 BYTE *cbuf, *cend;
2211 unsigned clen;
2212
2213 if (!HLPFILE_FindSubFile(hlpfile, "|TOMAP", &cbuf, &cend))
2214 {WINE_WARN("no tomap section\n"); return FALSE;}
2215
2216 clen = cend - cbuf - 9;
2217 hlpfile->TOMap = HeapAlloc(GetProcessHeap(), 0, clen);
2218 if (!hlpfile->TOMap) return FALSE;
2219 memcpy(hlpfile->TOMap, cbuf+9, clen);
2220 hlpfile->wTOMapLen = clen/4;
2221 return TRUE;
2222 }
2223
2224 /***********************************************************************
2225 *
2226 * DeleteMacro
2227 */
2228 static void HLPFILE_DeleteMacro(HLPFILE_MACRO* macro)
2229 {
2230 HLPFILE_MACRO* next;
2231
2232 while (macro)
2233 {
2234 next = macro->next;
2235 HeapFree(GetProcessHeap(), 0, macro);
2236 macro = next;
2237 }
2238 }
2239
2240 /***********************************************************************
2241 *
2242 * DeletePage
2243 */
2244 static void HLPFILE_DeletePage(HLPFILE_PAGE* page)
2245 {
2246 HLPFILE_PAGE* next;
2247
2248 while (page)
2249 {
2250 next = page->next;
2251 HLPFILE_DeleteMacro(page->first_macro);
2252 HeapFree(GetProcessHeap(), 0, page);
2253 page = next;
2254 }
2255 }
2256
2257 /***********************************************************************
2258 *
2259 * HLPFILE_FreeHlpFile
2260 */
2261 void HLPFILE_FreeHlpFile(HLPFILE* hlpfile)
2262 {
2263 unsigned i;
2264
2265 if (!hlpfile || --hlpfile->wRefCount > 0) return;
2266
2267 if (hlpfile->next) hlpfile->next->prev = hlpfile->prev;
2268 if (hlpfile->prev) hlpfile->prev->next = hlpfile->next;
2269 else first_hlpfile = hlpfile->next;
2270
2271 if (hlpfile->numFonts)
2272 {
2273 for (i = 0; i < hlpfile->numFonts; i++)
2274 {
2275 DeleteObject(hlpfile->fonts[i].hFont);
2276 }
2277 HeapFree(GetProcessHeap(), 0, hlpfile->fonts);
2278 }
2279
2280 if (hlpfile->numBmps)
2281 {
2282 for (i = 0; i < hlpfile->numBmps; i++)
2283 {
2284 DeleteObject(hlpfile->bmps[i]);
2285 }
2286 HeapFree(GetProcessHeap(), 0, hlpfile->bmps);
2287 }
2288
2289 HLPFILE_DeletePage(hlpfile->first_page);
2290 HLPFILE_DeleteMacro(hlpfile->first_macro);
2291
2292 DestroyIcon(hlpfile->hIcon);
2293 if (hlpfile->numWindows) HeapFree(GetProcessHeap(), 0, hlpfile->windows);
2294 HeapFree(GetProcessHeap(), 0, hlpfile->Context);
2295 HeapFree(GetProcessHeap(), 0, hlpfile->Map);
2296 HeapFree(GetProcessHeap(), 0, hlpfile->lpszTitle);
2297 HeapFree(GetProcessHeap(), 0, hlpfile->lpszCopyright);
2298 HeapFree(GetProcessHeap(), 0, hlpfile->file_buffer);
2299 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2300 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2301 HeapFree(GetProcessHeap(), 0, hlpfile->topic_map);
2302 HeapFree(GetProcessHeap(), 0, hlpfile->help_on_file);
2303 HeapFree(GetProcessHeap(), 0, hlpfile);
2304 }
2305
2306 /***********************************************************************
2307 *
2308 * HLPFILE_UncompressLZ77_Phrases
2309 */
2310 static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE* hlpfile)
2311 {
2312 UINT i, num, dec_size, head_size;
2313 BYTE *buf, *end;
2314
2315 if (!HLPFILE_FindSubFile(hlpfile, "|Phrases", &buf, &end)) return FALSE;
2316
2317 if (hlpfile->version <= 16)
2318 head_size = 13;
2319 else
2320 head_size = 17;
2321
2322 num = hlpfile->num_phrases = GET_USHORT(buf, 9);
2323 if (buf + 2 * num + 0x13 >= end) {WINE_WARN("1a\n"); return FALSE;};
2324
2325 if (hlpfile->version <= 16)
2326 dec_size = end - buf - 15 - 2 * num;
2327 else
2328 dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
2329
2330 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2331 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2332 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2333 {
2334 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2335 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2336 return FALSE;
2337 }
2338
2339 for (i = 0; i <= num; i++)
2340 hlpfile->phrases_offsets[i] = GET_USHORT(buf, head_size + 2 * i) - 2 * num - 2;
2341
2342 if (hlpfile->version <= 16)
2343 memcpy(hlpfile->phrases_buffer, buf + 15 + 2*num, dec_size);
2344 else
2345 HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)hlpfile->phrases_buffer);
2346
2347 hlpfile->hasPhrases = TRUE;
2348 return TRUE;
2349 }
2350
2351 /***********************************************************************
2352 *
2353 * HLPFILE_Uncompress_Phrases40
2354 */
2355 static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE* hlpfile)
2356 {
2357 UINT num;
2358 INT dec_size, cpr_size;
2359 BYTE *buf_idx, *end_idx;
2360 BYTE *buf_phs, *end_phs;
2361 LONG* ptr, mask = 0;
2362 unsigned int i;
2363 unsigned short bc, n;
2364
2365 if (!HLPFILE_FindSubFile(hlpfile, "|PhrIndex", &buf_idx, &end_idx) ||
2366 !HLPFILE_FindSubFile(hlpfile, "|PhrImage", &buf_phs, &end_phs)) return FALSE;
2367
2368 ptr = (LONG*)(buf_idx + 9 + 28);
2369 bc = GET_USHORT(buf_idx, 9 + 24) & 0x0F;
2370 num = hlpfile->num_phrases = GET_USHORT(buf_idx, 9 + 4);
2371
2372 WINE_TRACE("Index: Magic=%08x #entries=%u CpsdSize=%u PhrImgSize=%u\n"
2373 "\tPhrImgCprsdSize=%u 0=%u bc=%x ukn=%x\n",
2374 GET_UINT(buf_idx, 9 + 0),
2375 GET_UINT(buf_idx, 9 + 4),
2376 GET_UINT(buf_idx, 9 + 8),
2377 GET_UINT(buf_idx, 9 + 12),
2378 GET_UINT(buf_idx, 9 + 16),
2379 GET_UINT(buf_idx, 9 + 20),
2380 GET_USHORT(buf_idx, 9 + 24),
2381 GET_USHORT(buf_idx, 9 + 26));
2382
2383 dec_size = GET_UINT(buf_idx, 9 + 12);
2384 cpr_size = GET_UINT(buf_idx, 9 + 16);
2385
2386 if (dec_size != cpr_size &&
2387 dec_size != HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs))
2388 {
2389 WINE_WARN("size mismatch %u %u\n",
2390 dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2391 dec_size = max(dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
2392 }
2393
2394 hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
2395 hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
2396 if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
2397 {
2398 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
2399 HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
2400 return FALSE;
2401 }
2402
2403 #define getbit() (ptr += (mask < 0), mask = mask*2 + (mask<=0), (*ptr & mask) != 0)
2404
2405 hlpfile->phrases_offsets[0] = 0;
2406 for (i = 0; i < num; i++)
2407 {
2408 for (n = 1; getbit(); n += 1 << bc);
2409 if (getbit()) n++;
2410 if (bc > 1 && getbit()) n += 2;
2411 if (bc > 2 && getbit()) n += 4;
2412 if (bc > 3 && getbit()) n += 8;
2413 if (bc > 4 && getbit()) n += 16;
2414 hlpfile->phrases_offsets[i + 1] = hlpfile->phrases_offsets[i] + n;
2415 }
2416 #undef getbit
2417
2418 if (dec_size == cpr_size)
2419 memcpy(hlpfile->phrases_buffer, buf_phs + 9, dec_size);
2420 else
2421 HLPFILE_UncompressLZ77(buf_phs + 9, end_phs, (BYTE*)hlpfile->phrases_buffer);
2422
2423 hlpfile->hasPhrases40 = TRUE;
2424 return TRUE;
2425 }
2426
2427 /***********************************************************************
2428 *
2429 * HLPFILE_Uncompress_Topic
2430 */
2431 static BOOL HLPFILE_Uncompress_Topic(HLPFILE* hlpfile)
2432 {
2433 BYTE *buf, *ptr, *end, *newptr;
2434 unsigned int i, newsize = 0;
2435 unsigned int topic_size;
2436
2437 if (!HLPFILE_FindSubFile(hlpfile, "|TOPIC", &buf, &end))
2438 {WINE_WARN("topic0\n"); return FALSE;}
2439
2440 buf += 9; /* Skip file header */
2441 topic_size = end - buf;
2442 if (hlpfile->compressed)
2443 {
2444 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2445
2446 for (i = 0; i < hlpfile->topic_maplen; i++)
2447 {
2448 ptr = buf + i * hlpfile->tbsize;
2449
2450 /* I don't know why, it's necessary for printman.hlp */
2451 if (ptr + 0x44 > end) ptr = end - 0x44;
2452
2453 newsize += HLPFILE_UncompressedLZ77_Size(ptr + 0xc, min(end, ptr + hlpfile->tbsize));
2454 }
2455
2456 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2457 hlpfile->topic_maplen * sizeof(hlpfile->topic_map[0]) + newsize);
2458 if (!hlpfile->topic_map) return FALSE;
2459 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2460 hlpfile->topic_end = newptr + newsize;
2461
2462 for (i = 0; i < hlpfile->topic_maplen; i++)
2463 {
2464 ptr = buf + i * hlpfile->tbsize;
2465 if (ptr + 0x44 > end) ptr = end - 0x44;
2466
2467 hlpfile->topic_map[i] = newptr;
2468 newptr = HLPFILE_UncompressLZ77(ptr + 0xc, min(end, ptr + hlpfile->tbsize), newptr);
2469 }
2470 }
2471 else
2472 {
2473 /* basically, we need to copy the TopicBlockSize byte pages
2474 * (removing the first 0x0C) in one single area in memory
2475 */
2476 hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
2477 hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
2478 hlpfile->topic_maplen * (sizeof(hlpfile->topic_map[0]) + hlpfile->dsize));
2479 if (!hlpfile->topic_map) return FALSE;
2480 newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
2481 hlpfile->topic_end = newptr + topic_size;
2482
2483 for (i = 0; i < hlpfile->topic_maplen; i++)
2484 {
2485 hlpfile->topic_map[i] = newptr + i * hlpfile->dsize;
2486 memcpy(hlpfile->topic_map[i], buf + i * hlpfile->tbsize + 0x0C, hlpfile->dsize);
2487 }
2488 }
2489 return TRUE;
2490 }
2491
2492 /***********************************************************************
2493 *
2494 * HLPFILE_AddPage
2495 */
2496 static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned ref, unsigned offset)
2497 {
2498 HLPFILE_PAGE* page;
2499 const BYTE* title;
2500 UINT titlesize, blocksize, datalen;
2501 char* ptr;
2502 HLPFILE_MACRO*macro;
2503
2504 blocksize = GET_UINT(buf, 0);
2505 datalen = GET_UINT(buf, 0x10);
2506 title = buf + datalen;
2507 if (title > end) {WINE_WARN("page2\n"); return FALSE;};
2508
2509 titlesize = GET_UINT(buf, 4);
2510 page = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_PAGE) + titlesize + 1);
2511 if (!page) return FALSE;
2512 page->lpszTitle = (char*)page + sizeof(HLPFILE_PAGE);
2513
2514 if (titlesize > blocksize - datalen)
2515 {
2516 /* need to decompress */
2517 if (hlpfile->hasPhrases)
2518 HLPFILE_Uncompress2(hlpfile, title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
2519 else if (hlpfile->hasPhrases40)
2520 HLPFILE_Uncompress3(hlpfile, page->lpszTitle, page->lpszTitle + titlesize, title, end);
2521 else
2522 {
2523 WINE_FIXME("Text size is too long, splitting\n");
2524 titlesize = blocksize - datalen;
2525 memcpy(page->lpszTitle, title, titlesize);
2526 }
2527 }
2528 else
2529 memcpy(page->lpszTitle, title, titlesize);
2530
2531 page->lpszTitle[titlesize] = '\0';
2532
2533 if (hlpfile->first_page)
2534 {
2535 hlpfile->last_page->next = page;
2536 page->prev = hlpfile->last_page;
2537 hlpfile->last_page = page;
2538 }
2539 else
2540 {
2541 hlpfile->first_page = page;
2542 hlpfile->last_page = page;
2543 page->prev = NULL;
2544 }
2545
2546 page->file = hlpfile;
2547 page->next = NULL;
2548 page->first_macro = NULL;
2549 page->first_link = NULL;
2550 page->wNumber = GET_UINT(buf, 0x21);
2551 page->offset = offset;
2552 page->reference = ref;
2553
2554 page->browse_bwd = GET_UINT(buf, 0x19);
2555 page->browse_fwd = GET_UINT(buf, 0x1D);
2556
2557 if (hlpfile->version <= 16)
2558 {
2559 if (page->browse_bwd == 0xFFFF || page->browse_bwd == 0xFFFFFFFF)
2560 page->browse_bwd = 0xFFFFFFFF;
2561 else
2562 page->browse_bwd = hlpfile->TOMap[page->browse_bwd];
2563
2564 if (page->browse_fwd == 0xFFFF || page->browse_fwd == 0xFFFFFFFF)
2565 page->browse_fwd = 0xFFFFFFFF;
2566 else
2567 page->browse_fwd = hlpfile->TOMap[page->browse_fwd];
2568 }
2569
2570 WINE_TRACE("Added page[%d]: title='%s' %08x << %08x >> %08x\n",
2571 page->wNumber, page->lpszTitle,
2572 page->browse_bwd, page->offset, page->browse_fwd);
2573
2574 /* now load macros */
2575 ptr = page->lpszTitle + strlen(page->lpszTitle) + 1;
2576 while (ptr < page->lpszTitle + titlesize)
2577 {
2578 unsigned len = strlen(ptr);
2579 char* macro_str;
2580
2581 WINE_TRACE("macro: %s\n", ptr);
2582 macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + len + 1);
2583 macro->lpszMacro = macro_str = (char*)(macro + 1);
2584 memcpy(macro_str, ptr, len + 1);
2585 /* FIXME: shall we really link macro in reverse order ??
2586 * may produce strange results when played at page opening
2587 */
2588 macro->next = page->first_macro;
2589 page->first_macro = macro;
2590 ptr += len + 1;
2591 }
2592
2593 return TRUE;
2594 }
2595
2596 /***********************************************************************
2597 *
2598 * HLPFILE_SkipParagraph
2599 */
2600 static BOOL HLPFILE_SkipParagraph(HLPFILE *hlpfile, const BYTE *buf, const BYTE *end, unsigned* len)
2601 {
2602 const BYTE *tmp;
2603
2604 if (!hlpfile->first_page) {WINE_WARN("no page\n"); return FALSE;};
2605 if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
2606
2607 tmp = buf + 0x15;
2608 if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
2609 {
2610 fetch_long(&tmp);
2611 *len = fetch_ushort(&tmp);
2612 }
2613 else *len = end-buf-15;
2614
2615 return TRUE;
2616 }
2617
2618 /***********************************************************************
2619 *
2620 * HLPFILE_DoReadHlpFile
2621 */
2622 static BOOL HLPFILE_DoReadHlpFile(HLPFILE *hlpfile, LPCSTR lpszPath)
2623 {
2624 BOOL ret;
2625 HFILE hFile;
2626 OFSTRUCT ofs;
2627 BYTE* buf;
2628 DWORD ref = 0x0C;
2629 unsigned index, old_index, offset, len, offs, topicoffset;
2630
2631 hFile = OpenFile(lpszPath, &ofs, OF_READ);
2632 if (hFile == HFILE_ERROR) return FALSE;
2633
2634 ret = HLPFILE_ReadFileToBuffer(hlpfile, hFile);
2635 _lclose(hFile);
2636 if (!ret) return FALSE;
2637
2638 if (!HLPFILE_SystemCommands(hlpfile)) return FALSE;
2639
2640 if (hlpfile->version <= 16 && !HLPFILE_GetTOMap(hlpfile)) return FALSE;
2641
2642 /* load phrases support */
2643 if (!HLPFILE_UncompressLZ77_Phrases(hlpfile))
2644 HLPFILE_Uncompress_Phrases40(hlpfile);
2645
2646 if (!HLPFILE_Uncompress_Topic(hlpfile)) return FALSE;
2647 if (!HLPFILE_ReadFont(hlpfile)) return FALSE;
2648
2649 buf = hlpfile->topic_map[0];
2650 old_index = -1;
2651 offs = 0;
2652 do
2653 {
2654 BYTE* end;
2655
2656 if (hlpfile->version <= 16)
2657 {
2658 index = (ref - 0x0C) / hlpfile->dsize;
2659 offset = (ref - 0x0C) % hlpfile->dsize;
2660 }
2661 else
2662 {
2663 index = (ref - 0x0C) >> 14;
2664 offset = (ref - 0x0C) & 0x3FFF;
2665 }
2666
2667 if (hlpfile->version <= 16 && index != old_index && old_index != -1)
2668 {
2669 /* we jumped to the next block, adjust pointers */
2670 ref -= 12;
2671 offset -= 12;
2672 }
2673
2674 WINE_TRACE("ref=%08x => [%u/%u]\n", ref, index, offset);
2675
2676 if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
2677 buf = hlpfile->topic_map[index] + offset;
2678 if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
2679 end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
2680 if (index != old_index) {offs = 0; old_index = index;}
2681
2682 switch (buf[0x14])
2683 {
2684 case 0x02:
2685 if (hlpfile->version <= 16)
2686 topicoffset = ref + index * 12;
2687 else
2688 topicoffset = index * 0x8000 + offs;
2689 if (!HLPFILE_AddPage(hlpfile, buf, end, ref, topicoffset)) return FALSE;
2690 break;
2691
2692 case 0x01:
2693 case 0x20:
2694 case 0x23:
2695 if (!HLPFILE_SkipParagraph(hlpfile, buf, end, &len)) return FALSE;
2696 offs += len;
2697 break;
2698
2699 default:
2700 WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
2701 }
2702
2703 if (hlpfile->version <= 16)
2704 {
2705 ref += GET_UINT(buf, 0xc);
2706 if (GET_UINT(buf, 0xc) == 0)
2707 break;
2708 }
2709 else
2710 ref = GET_UINT(buf, 0xc);
2711 } while (ref != 0xffffffff);
2712
2713 HLPFILE_GetKeywords(hlpfile);
2714 HLPFILE_GetMap(hlpfile);
2715 if (hlpfile->version <= 16) return TRUE;
2716 return HLPFILE_GetContext(hlpfile);
2717 }
2718
2719 /***********************************************************************
2720 *
2721 * HLPFILE_ReadHlpFile
2722 */
2723 HLPFILE *HLPFILE_ReadHlpFile(LPCSTR lpszPath)
2724 {
2725 HLPFILE* hlpfile;
2726
2727 for (hlpfile = first_hlpfile; hlpfile; hlpfile = hlpfile->next)
2728 {
2729 if (!strcmp(lpszPath, hlpfile->lpszPath))
2730 {
2731 hlpfile->wRefCount++;
2732 return hlpfile;
2733 }
2734 }
2735
2736 hlpfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2737 sizeof(HLPFILE) + lstrlen(lpszPath) + 1);
2738 if (!hlpfile) return 0;
2739
2740 hlpfile->lpszPath = (char*)hlpfile + sizeof(HLPFILE);
2741 hlpfile->contents_start = 0xFFFFFFFF;
2742 hlpfile->next = first_hlpfile;
2743 hlpfile->wRefCount = 1;
2744
2745 strcpy(hlpfile->lpszPath, lpszPath);
2746
2747 first_hlpfile = hlpfile;
2748 if (hlpfile->next) hlpfile->next->prev = hlpfile;
2749
2750 if (!HLPFILE_DoReadHlpFile(hlpfile, lpszPath))
2751 {
2752 HLPFILE_FreeHlpFile(hlpfile);
2753 hlpfile = 0;
2754 }
2755
2756 return hlpfile;
2757 }
A free Windows-compatible Operating System