4 * Copyright 1996 Ulrich Schmid
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(winhelp
);
36 static inline unsigned short GET_USHORT(const BYTE
* buffer
, unsigned i
)
38 return (BYTE
)buffer
[i
] + 0x100 * (BYTE
)buffer
[i
+ 1];
41 static inline short GET_SHORT(const BYTE
* buffer
, unsigned i
)
43 return (BYTE
)buffer
[i
] + 0x100 * (signed char)buffer
[i
+1];
46 static inline unsigned GET_UINT(const BYTE
* buffer
, unsigned i
)
48 return GET_USHORT(buffer
, i
) + 0x10000 * GET_USHORT(buffer
, i
+ 2);
51 static HLPFILE
*first_hlpfile
= 0;
52 static BYTE
*file_buffer
;
77 static BOOL
HLPFILE_DoReadHlpFile(HLPFILE
*, LPCSTR
);
78 static BOOL
HLPFILE_ReadFileToBuffer(HFILE
);
79 static BOOL
HLPFILE_FindSubFile(LPCSTR name
, BYTE
**, BYTE
**);
80 static BOOL
HLPFILE_SystemCommands(HLPFILE
*);
81 static INT
HLPFILE_UncompressedLZ77_Size(BYTE
*ptr
, BYTE
*end
);
82 static BYTE
* HLPFILE_UncompressLZ77(BYTE
*ptr
, BYTE
*end
, BYTE
*newptr
);
83 static BOOL
HLPFILE_UncompressLZ77_Phrases(HLPFILE
*);
84 static BOOL
HLPFILE_Uncompress_Phrases40(HLPFILE
*);
85 static BOOL
HLPFILE_Uncompress_Topic(HLPFILE
*);
86 static BOOL
HLPFILE_GetContext(HLPFILE
*);
87 static BOOL
HLPFILE_AddPage(HLPFILE
*, BYTE
*, BYTE
*, unsigned);
88 static BOOL
HLPFILE_AddParagraph(HLPFILE
*, BYTE
*, BYTE
*, unsigned*);
89 static void HLPFILE_Uncompress2(const BYTE
*, const BYTE
*, BYTE
*, const BYTE
*);
90 static BOOL
HLPFILE_Uncompress3(char*, const char*, const BYTE
*, const BYTE
*);
91 static void HLPFILE_UncompressRLE(const BYTE
* src
, const BYTE
* end
, BYTE
** dst
, unsigned dstsz
);
92 static BOOL
HLPFILE_ReadFont(HLPFILE
* hlpfile
);
94 /***********************************************************************
96 * HLPFILE_PageByNumber
98 HLPFILE_PAGE
*HLPFILE_PageByNumber(LPCSTR lpszPath
, UINT wNum
)
101 HLPFILE
*hlpfile
= HLPFILE_ReadHlpFile(lpszPath
);
103 if (!hlpfile
) return 0;
105 WINE_TRACE("[%s/%u]\n", lpszPath
, wNum
);
107 for (page
= hlpfile
->first_page
; page
&& wNum
; page
= page
->next
) wNum
--;
109 /* HLPFILE_FreeHlpFile(lpszPath); */
115 * this finds the page containing the offset. The offset can either
116 * refer to the top of the page (offset == page->offset), or
117 * to some paragraph inside the page...
118 * As of today, we only return the page... we should also return
119 * a paragraph, and then, while opening a new page, compute the
120 * y-offset of the paragraph to be shown and scroll the window
123 /******************************************************************
124 * HLPFILE_PageByOffset
128 HLPFILE_PAGE
*HLPFILE_PageByOffset(HLPFILE
* hlpfile
, LONG offset
)
133 if (!hlpfile
) return 0;
135 WINE_TRACE("<%s>[%lx]\n", hlpfile
->lpszPath
, offset
);
137 if (offset
== 0xFFFFFFFF) return NULL
;
140 for (found
= NULL
, page
= hlpfile
->first_page
; page
; page
= page
->next
)
142 if (page
->offset
<= offset
&& (!found
|| found
->offset
< page
->offset
))
146 WINE_ERR("Page of offset %lu not found in file %s\n",
147 offset
, hlpfile
->lpszPath
);
151 /***********************************************************************
153 * HLPFILE_HlpFilePageByHash
155 HLPFILE_PAGE
*HLPFILE_PageByHash(HLPFILE
* hlpfile
, LONG lHash
)
159 if (!hlpfile
) return 0;
161 WINE_TRACE("<%s>[%lx]\n", hlpfile
->lpszPath
, lHash
);
163 for (i
= 0; i
< hlpfile
->wContextLen
; i
++)
165 if (hlpfile
->Context
[i
].lHash
== lHash
)
166 return HLPFILE_PageByOffset(hlpfile
, hlpfile
->Context
[i
].offset
);
169 WINE_ERR("Page of hash %lx not found in file %s\n", lHash
, hlpfile
->lpszPath
);
173 /***********************************************************************
177 HLPFILE_PAGE
* HLPFILE_Contents(HLPFILE
*hlpfile
)
179 HLPFILE_PAGE
* page
= NULL
;
181 if (!hlpfile
) return NULL
;
183 page
= HLPFILE_PageByOffset(hlpfile
, hlpfile
->contents_start
);
184 if (!page
) page
= hlpfile
->first_page
;
188 /***********************************************************************
192 LONG
HLPFILE_Hash(LPCSTR lpszContext
)
197 while ((c
= *lpszContext
++))
200 if (c
>= 'A' && c
<= 'Z') x
= c
- 'A' + 17;
201 if (c
>= 'a' && c
<= 'z') x
= c
- 'a' + 17;
202 if (c
>= '1' && c
<= '9') x
= c
- '0';
203 if (c
== '0') x
= 10;
204 if (c
== '.') x
= 12;
205 if (c
== '_') x
= 13;
206 if (x
) lHash
= lHash
* 43 + x
;
211 /***********************************************************************
213 * HLPFILE_ReadHlpFile
215 HLPFILE
*HLPFILE_ReadHlpFile(LPCSTR lpszPath
)
219 for (hlpfile
= first_hlpfile
; hlpfile
; hlpfile
= hlpfile
->next
)
221 if (!strcmp(lpszPath
, hlpfile
->lpszPath
))
223 hlpfile
->wRefCount
++;
228 hlpfile
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE
) + lstrlen(lpszPath
) + 1);
229 if (!hlpfile
) return 0;
231 hlpfile
->lpszPath
= (char*)hlpfile
+ sizeof(HLPFILE
);
232 hlpfile
->lpszTitle
= NULL
;
233 hlpfile
->lpszCopyright
= NULL
;
234 hlpfile
->first_page
= NULL
;
235 hlpfile
->first_macro
= NULL
;
236 hlpfile
->wContextLen
= 0;
237 hlpfile
->Context
= NULL
;
238 hlpfile
->contents_start
= 0xFFFFFFFF;
239 hlpfile
->prev
= NULL
;
240 hlpfile
->next
= first_hlpfile
;
241 hlpfile
->wRefCount
= 1;
243 hlpfile
->numBmps
= 0;
244 hlpfile
->bmps
= NULL
;
246 hlpfile
->numFonts
= 0;
247 hlpfile
->fonts
= NULL
;
249 hlpfile
->numWindows
= 0;
250 hlpfile
->windows
= NULL
;
252 strcpy(hlpfile
->lpszPath
, lpszPath
);
254 first_hlpfile
= hlpfile
;
255 if (hlpfile
->next
) hlpfile
->next
->prev
= hlpfile
;
257 phrases
.offsets
= NULL
;
258 phrases
.buffer
= NULL
;
263 if (!HLPFILE_DoReadHlpFile(hlpfile
, lpszPath
))
265 HLPFILE_FreeHlpFile(hlpfile
);
269 if (phrases
.offsets
) HeapFree(GetProcessHeap(), 0, phrases
.offsets
);
270 if (phrases
.buffer
) HeapFree(GetProcessHeap(), 0, phrases
.buffer
);
271 if (topic
.map
) HeapFree(GetProcessHeap(), 0, topic
.map
);
272 if (file_buffer
) HeapFree(GetProcessHeap(), 0, file_buffer
);
277 /***********************************************************************
279 * HLPFILE_DoReadHlpFile
281 static BOOL
HLPFILE_DoReadHlpFile(HLPFILE
*hlpfile
, LPCSTR lpszPath
)
288 unsigned index
, old_index
, offset
, len
, offs
;
290 hFile
= OpenFile(lpszPath
, &ofs
, OF_READ
| OF_SEARCH
);
291 if (hFile
== HFILE_ERROR
) return FALSE
;
293 ret
= HLPFILE_ReadFileToBuffer(hFile
);
295 if (!ret
) return FALSE
;
297 if (!HLPFILE_SystemCommands(hlpfile
)) return FALSE
;
299 /* load phrases support */
300 if (!HLPFILE_UncompressLZ77_Phrases(hlpfile
))
301 HLPFILE_Uncompress_Phrases40(hlpfile
);
303 if (!HLPFILE_Uncompress_Topic(hlpfile
)) return FALSE
;
304 if (!HLPFILE_ReadFont(hlpfile
)) return FALSE
;
313 /* FIXME this depends on the blocksize, can be 2k in some cases */
314 index
= (ref
- 0x0C) >> 14;
315 offset
= (ref
- 0x0C) & 0x3fff;
317 WINE_TRACE("ref=%08lx => [%u/%u]\n", ref
, index
, offset
);
319 if (index
>= topic
.wMapLen
) {WINE_WARN("maplen\n"); break;}
320 buf
= topic
.map
[index
] + offset
;
321 if (buf
+ 0x15 >= topic
.end
) {WINE_WARN("extra\n"); break;}
322 end
= min(buf
+ GET_UINT(buf
, 0), topic
.end
);
323 if (index
!= old_index
) {offs
= 0; old_index
= index
;}
328 if (!HLPFILE_AddPage(hlpfile
, buf
, end
, index
* 0x8000L
+ offs
)) return FALSE
;
332 if (!HLPFILE_AddParagraph(hlpfile
, buf
, end
, &len
)) return FALSE
;
337 if (!HLPFILE_AddParagraph(hlpfile
, buf
, end
, &len
)) return FALSE
;
342 WINE_ERR("buf[0x14] = %x\n", buf
[0x14]);
345 ref
= GET_UINT(buf
, 0xc);
346 } while (ref
!= 0xffffffff);
348 return HLPFILE_GetContext(hlpfile
);
351 /***********************************************************************
355 static BOOL
HLPFILE_AddPage(HLPFILE
*hlpfile
, BYTE
*buf
, BYTE
*end
, unsigned offset
)
363 if (buf
+ 0x31 > end
) {WINE_WARN("page1\n"); return FALSE
;};
364 title
= buf
+ GET_UINT(buf
, 0x10);
365 if (title
> end
) {WINE_WARN("page2\n"); return FALSE
;};
367 titlesize
= GET_UINT(buf
, 4);
368 page
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_PAGE
) + titlesize
+ 1);
369 if (!page
) return FALSE
;
370 page
->lpszTitle
= (char*)page
+ sizeof(HLPFILE_PAGE
);
372 if (hlpfile
->hasPhrases
)
374 HLPFILE_Uncompress2(title
, end
, page
->lpszTitle
, page
->lpszTitle
+ titlesize
);
378 if (GET_UINT(buf
, 0x4) > GET_UINT(buf
, 0) - GET_UINT(buf
, 0x10))
380 /* need to decompress */
381 HLPFILE_Uncompress3(page
->lpszTitle
, page
->lpszTitle
+ titlesize
,
386 memcpy(page
->lpszTitle
, title
, titlesize
);
390 page
->lpszTitle
[titlesize
] = '\0';
392 if (hlpfile
->first_page
)
396 for (p
= hlpfile
->first_page
; p
->next
; p
= p
->next
);
402 hlpfile
->first_page
= page
;
406 page
->file
= hlpfile
;
408 page
->first_paragraph
= NULL
;
409 page
->first_macro
= NULL
;
410 page
->wNumber
= GET_UINT(buf
, 0x21);
411 page
->offset
= offset
;
413 page
->browse_bwd
= GET_UINT(buf
, 0x19);
414 page
->browse_fwd
= GET_UINT(buf
, 0x1D);
416 WINE_TRACE("Added page[%d]: title='%s' %08lx << %08x >> %08lx\n",
417 page
->wNumber
, page
->lpszTitle
,
418 page
->browse_bwd
, page
->offset
, page
->browse_fwd
);
420 memset(&attributes
, 0, sizeof(attributes
));
422 /* now load macros */
423 ptr
= page
->lpszTitle
+ strlen(page
->lpszTitle
) + 1;
424 while (ptr
< page
->lpszTitle
+ titlesize
)
426 unsigned len
= strlen(ptr
);
427 WINE_TRACE("macro: %s\n", ptr
);
428 macro
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO
) + len
+ 1);
429 macro
->lpszMacro
= (char*)(macro
+ 1);
430 memcpy((char*)macro
->lpszMacro
, ptr
, len
+ 1);
431 /* FIXME: shall we really link macro in reverse order ??
432 * may produce strange results when played at page opening
434 macro
->next
= page
->first_macro
;
435 page
->first_macro
= macro
;
442 static long fetch_long(BYTE
** ptr
)
448 ret
= (*(unsigned long*)(*ptr
) - 0x80000000L
) / 2;
453 ret
= (*(unsigned short*)(*ptr
) - 0x8000) / 2;
460 static unsigned long fetch_ulong(BYTE
** ptr
)
466 ret
= *(unsigned long*)(*ptr
) / 2;
471 ret
= *(unsigned short*)(*ptr
) / 2;
477 static short fetch_short(BYTE
** ptr
)
483 ret
= (*(unsigned short*)(*ptr
) - 0x8000) / 2;
488 ret
= (*(unsigned char*)(*ptr
) - 0x80) / 2;
494 static unsigned short fetch_ushort(BYTE
** ptr
)
500 ret
= *(unsigned short*)(*ptr
) / 2;
505 ret
= *(unsigned char*)(*ptr
) / 2;
511 /******************************************************************
512 * HLPFILE_DecompressGfx
514 * Decompress the data part of a bitmap or a metafile
516 static BYTE
* HLPFILE_DecompressGfx(BYTE
* src
, unsigned csz
, unsigned sz
, BYTE packing
)
523 WINE_TRACE("Unpacking (%d) from %u bytes to %u bytes\n", packing
, csz
, sz
);
527 case 0: /* uncompressed */
529 WINE_WARN("Bogus gfx sizes (uncompressed): %u / %u\n", sz
, csz
);
533 tmp
= dst
= HeapAlloc(GetProcessHeap(), 0, sz
);
534 if (!dst
) return NULL
;
535 HLPFILE_UncompressRLE(src
, src
+ csz
, &tmp
, sz
);
537 WINE_FIXME("Bogus gfx sizes (RunLen): %u/%u\n", tmp
- dst
, sz
);
540 sz77
= HLPFILE_UncompressedLZ77_Size(src
, src
+ csz
);
541 dst
= HeapAlloc(GetProcessHeap(), 0, sz77
);
542 if (!dst
) return NULL
;
543 HLPFILE_UncompressLZ77(src
, src
+ csz
, dst
);
545 WINE_WARN("Bogus gfx sizes (LZ77): %u / %u\n", sz77
, sz
);
547 case 3: /* LZ77 then RLE */
548 sz77
= HLPFILE_UncompressedLZ77_Size(src
, src
+ csz
);
549 tmp
= HeapAlloc(GetProcessHeap(), 0, sz77
);
550 if (!tmp
) return FALSE
;
551 HLPFILE_UncompressLZ77(src
, src
+ csz
, tmp
);
552 dst
= tmp2
= HeapAlloc(GetProcessHeap(), 0, sz
);
553 if (!dst
) return FALSE
;
554 HLPFILE_UncompressRLE(tmp
, tmp
+ sz77
, &tmp2
, sz
);
555 if (tmp2
- dst
!= sz
)
556 WINE_WARN("Bogus gfx sizes (LZ77+RunLen): %u / %u\n", tmp2
- dst
, sz
);
557 HeapFree(GetProcessHeap(), 0, tmp
);
560 WINE_FIXME("Unsupported packing %u\n", packing
);
566 /******************************************************************
571 static BOOL
HLPFILE_LoadBitmap(BYTE
* beg
, BYTE type
, BYTE pack
,
572 HLPFILE_PARAGRAPH
* paragraph
)
577 unsigned long off
, csz
;
580 bi
= HeapAlloc(GetProcessHeap(), 0, sizeof(*bi
));
581 if (!bi
) return FALSE
;
583 ptr
= beg
+ 2; /* for type and pack */
585 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
586 bi
->bmiHeader
.biXPelsPerMeter
= fetch_ulong(&ptr
);
587 bi
->bmiHeader
.biYPelsPerMeter
= fetch_ulong(&ptr
);
588 bi
->bmiHeader
.biPlanes
= fetch_ushort(&ptr
);
589 bi
->bmiHeader
.biBitCount
= fetch_ushort(&ptr
);
590 bi
->bmiHeader
.biWidth
= fetch_ulong(&ptr
);
591 bi
->bmiHeader
.biHeight
= fetch_ulong(&ptr
);
592 bi
->bmiHeader
.biClrUsed
= fetch_ulong(&ptr
);
593 bi
->bmiHeader
.biClrImportant
= fetch_ulong(&ptr
);
594 bi
->bmiHeader
.biCompression
= BI_RGB
;
595 if (bi
->bmiHeader
.biBitCount
> 32) WINE_FIXME("Unknown bit count %u\n", bi
->bmiHeader
.biBitCount
);
596 if (bi
->bmiHeader
.biPlanes
!= 1) WINE_FIXME("Unsupported planes %u\n", bi
->bmiHeader
.biPlanes
);
597 bi
->bmiHeader
.biSizeImage
= (((bi
->bmiHeader
.biWidth
* bi
->bmiHeader
.biBitCount
+ 31) & ~31) / 8) * bi
->bmiHeader
.biHeight
;
598 WINE_TRACE("planes=%d bc=%d size=(%ld,%ld)\n",
599 bi
->bmiHeader
.biPlanes
, bi
->bmiHeader
.biBitCount
,
600 bi
->bmiHeader
.biWidth
, bi
->bmiHeader
.biHeight
);
602 csz
= fetch_ulong(&ptr
);
603 fetch_ulong(&ptr
); /* hotspot size */
605 off
= GET_UINT(ptr
, 0); ptr
+= 4;
606 /* GET_UINT(ptr, 0); hotspot offset */ ptr
+= 4;
608 /* now read palette info */
611 unsigned nc
= bi
->bmiHeader
.biClrUsed
;
614 /* not quite right, especially for bitfields type of compression */
615 if (!nc
&& bi
->bmiHeader
.biBitCount
<= 8)
616 nc
= 1 << bi
->bmiHeader
.biBitCount
;
618 bi
= HeapReAlloc(GetProcessHeap(), 0, bi
, sizeof(*bi
) + nc
* sizeof(RGBQUAD
));
619 if (!bi
) return FALSE
;
620 for (i
= 0; i
< nc
; i
++)
622 bi
->bmiColors
[i
].rgbBlue
= ptr
[0];
623 bi
->bmiColors
[i
].rgbGreen
= ptr
[1];
624 bi
->bmiColors
[i
].rgbRed
= ptr
[2];
625 bi
->bmiColors
[i
].rgbReserved
= 0;
629 pict_beg
= HLPFILE_DecompressGfx(beg
+ off
, csz
, bi
->bmiHeader
.biSizeImage
, pack
);
631 paragraph
->u
.gfx
.u
.bmp
.hBitmap
= CreateDIBitmap(hdc
= GetDC(0), &bi
->bmiHeader
,
635 if (!paragraph
->u
.gfx
.u
.bmp
.hBitmap
)
636 WINE_ERR("Couldn't create bitmap\n");
638 HeapFree(GetProcessHeap(), 0, bi
);
639 if (pict_beg
!= beg
+ off
) HeapFree(GetProcessHeap(), 0, pict_beg
);
644 /******************************************************************
645 * HLPFILE_LoadMetaFile
649 static BOOL
HLPFILE_LoadMetaFile(BYTE
* beg
, BYTE pack
, HLPFILE_PARAGRAPH
* paragraph
)
652 unsigned long size
, csize
;
653 unsigned long off
, hsoff
;
657 WINE_TRACE("Loading metafile\n");
659 ptr
= beg
+ 2; /* for type and pack */
661 mfp
.mm
= fetch_ushort(&ptr
); /* mapping mode */
663 mfp
.xExt
= GET_USHORT(ptr
, 0);
664 mfp
.yExt
= GET_USHORT(ptr
, 2);
667 size
= fetch_ulong(&ptr
); /* decompressed size */
668 csize
= fetch_ulong(&ptr
); /* compressed size */
669 fetch_ulong(&ptr
); /* hotspot size */
670 off
= GET_UINT(ptr
, 0);
671 hsoff
= GET_UINT(ptr
, 4);
674 WINE_FIXME("sz=%lu csz=%lu (%ld,%ld) offs=%lu/%u,%lu\n",
675 size
, csize
, mfp
.xExt
, mfp
.yExt
, off
, ptr
- beg
, hsoff
);
677 bits
= HLPFILE_DecompressGfx(beg
+ off
, csize
, size
, pack
);
678 if (!bits
) return FALSE
;
680 paragraph
->cookie
= para_metafile
;
684 paragraph
->u
.gfx
.u
.mf
.hMetaFile
= SetMetaFileBitsEx(size
, bits
);
686 if (!paragraph
->u
.gfx
.u
.mf
.hMetaFile
)
687 WINE_FIXME("Couldn't load metafile\n");
689 if (bits
!= beg
+ off
) HeapFree(GetProcessHeap(), 0, bits
);
691 paragraph
->u
.gfx
.u
.mf
.mfSize
.cx
= mfp
.xExt
;
692 paragraph
->u
.gfx
.u
.mf
.mfSize
.cy
= mfp
.yExt
;
697 /******************************************************************
698 * HLPFILE_LoadGfxByAddr
702 static BOOL
HLPFILE_LoadGfxByAddr(HLPFILE
*hlpfile
, BYTE
* ref
,
704 HLPFILE_PARAGRAPH
* paragraph
)
708 numpict
= GET_USHORT(ref
, 2);
709 WINE_TRACE("Got picture magic=%04x #=%d\n",
710 GET_USHORT(ref
, 0), numpict
);
712 for (i
= 0; i
< numpict
; i
++)
718 WINE_TRACE("Offset[%d] = %x\n", i
, GET_UINT(ref
, (1 + i
) * 4));
719 beg
= ptr
= ref
+ GET_UINT(ref
, (1 + i
) * 4);
726 case 5: /* device dependent bmp */
727 case 6: /* device independent bmp */
728 HLPFILE_LoadBitmap(beg
, type
, pack
, paragraph
);
731 HLPFILE_LoadMetaFile(beg
, pack
, paragraph
);
733 default: WINE_FIXME("Unknown type %u\n", type
); return FALSE
;
736 /* FIXME: hotspots */
738 /* FIXME: implement support for multiple picture format */
739 if (numpict
!= 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
745 /******************************************************************
746 * HLPFILE_LoadGfxByIndex
750 static BOOL
HLPFILE_LoadGfxByIndex(HLPFILE
*hlpfile
, unsigned index
,
751 HLPFILE_PARAGRAPH
* paragraph
)
757 WINE_TRACE("Loading picture #%d\n", index
);
759 if (index
< hlpfile
->numBmps
&& hlpfile
->bmps
[index
] != NULL
)
761 paragraph
->u
.gfx
.u
.bmp
.hBitmap
= hlpfile
->bmps
[index
];
765 sprintf(tmp
, "|bm%u", index
);
767 if (!HLPFILE_FindSubFile(tmp
, &ref
, &end
)) {WINE_WARN("no sub file\n"); return FALSE
;}
771 ret
= HLPFILE_LoadGfxByAddr(hlpfile
, ref
, end
- ref
, paragraph
);
774 if (ret
&& paragraph
->cookie
== para_bitmap
)
776 if (index
>= hlpfile
->numBmps
)
778 hlpfile
->numBmps
= index
+ 1;
779 hlpfile
->bmps
= HeapReAlloc(GetProcessHeap(), 0, hlpfile
->bmps
,
780 hlpfile
->numBmps
* sizeof(hlpfile
->bmps
[0]));
782 hlpfile
->bmps
[index
] = paragraph
->u
.gfx
.u
.bmp
.hBitmap
;
787 /******************************************************************
792 static HLPFILE_LINK
* HLPFILE_AllocLink(int cookie
, const char* str
, LONG hash
,
793 BOOL clrChange
, unsigned wnd
)
797 /* FIXME: should build a string table for the attributes.link.lpszPath
798 * they are reallocated for each link
800 link
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK
) + strlen(str
) + 1);
801 if (!link
) return NULL
;
803 link
->cookie
= cookie
;
804 link
->lpszString
= (char*)link
+ sizeof(HLPFILE_LINK
);
805 strcpy((char*)link
->lpszString
, str
);
807 link
->bClrChange
= clrChange
? 1 : 0;
811 WINE_TRACE("Link[%d] to %s@%08lx:%d\n",
812 link
->cookie
, link
->lpszString
,
813 link
->lHash
, link
->window
);
817 /***********************************************************************
819 * HLPFILE_AddParagraph
821 static BOOL
HLPFILE_AddParagraph(HLPFILE
*hlpfile
, BYTE
*buf
, BYTE
*end
, unsigned* len
)
824 HLPFILE_PARAGRAPH
*paragraph
, **paragraphptr
;
826 BYTE
*format
, *format_end
, *text
, *text_end
;
829 unsigned nc
, ncol
= 1;
831 if (!hlpfile
->first_page
) {WINE_WARN("no page\n"); return FALSE
;};
833 for (page
= hlpfile
->first_page
; page
->next
; page
= page
->next
) /* Nothing */;
834 for (paragraphptr
= &page
->first_paragraph
; *paragraphptr
;
835 paragraphptr
= &(*paragraphptr
)->next
) /* Nothing */;
837 if (buf
+ 0x19 > end
) {WINE_WARN("header too small\n"); return FALSE
;};
839 size
= GET_UINT(buf
, 0x4);
840 text
= HeapAlloc(GetProcessHeap(), 0, size
);
841 if (!text
) return FALSE
;
842 if (hlpfile
->hasPhrases
)
844 HLPFILE_Uncompress2(buf
+ GET_UINT(buf
, 0x10), end
, text
, text
+ size
);
848 if (GET_UINT(buf
, 0x4) > GET_UINT(buf
, 0) - GET_UINT(buf
, 0x10))
850 /* block is compressed */
851 HLPFILE_Uncompress3(text
, text
+ size
, buf
+ GET_UINT(buf
, 0x10), end
);
855 text
= buf
+ GET_UINT(buf
, 0x10);
858 text_end
= text
+ size
;
861 format_end
= buf
+ GET_UINT(buf
, 0x10);
864 *len
= fetch_ushort(&format
);
866 if (buf
[0x14] == 0x23)
872 WINE_TRACE("#cols %u\n", ncol
);
874 if (type
== 0 || type
== 2)
879 for (nc
= 0; nc
< ncol
; nc
++)
881 WINE_TRACE("looking for format at offset %u for column %d\n", format
- (buf
+ 0x15), nc
);
882 if (buf
[0x14] == 0x23)
885 bits
= GET_USHORT(format
, 0); format
+= 2;
886 if (bits
& 0x0001) fetch_long(&format
);
887 if (bits
& 0x0002) fetch_short(&format
);
888 if (bits
& 0x0004) fetch_short(&format
);
889 if (bits
& 0x0008) fetch_short(&format
);
890 if (bits
& 0x0010) fetch_short(&format
);
891 if (bits
& 0x0020) fetch_short(&format
);
892 if (bits
& 0x0040) fetch_short(&format
);
893 if (bits
& 0x0100) format
+= 3;
896 int ntab
= fetch_short(&format
);
901 ts
= fetch_ushort(&format
);
902 if (ts
& 0x4000) fetch_ushort(&format
);
905 /* 0x0400, 0x0800 and 0x1000 don't need space */
906 if ((bits
& 0xE080) != 0)
907 WINE_FIXME("Unsupported bits %04x, potential trouble ahead\n", bits
);
909 while (text
< text_end
&& format
< format_end
)
911 WINE_TRACE("Got text: '%s' (%p/%p - %p/%p)\n", text
, text
, text_end
, format
, format_end
);
912 textsize
= strlen(text
) + 1;
915 paragraph
= HeapAlloc(GetProcessHeap(), 0,
916 sizeof(HLPFILE_PARAGRAPH
) + textsize
);
917 if (!paragraph
) return FALSE
;
918 *paragraphptr
= paragraph
;
919 paragraphptr
= ¶graph
->next
;
921 paragraph
->next
= NULL
;
922 paragraph
->link
= attributes
.link
;
923 if (paragraph
->link
) paragraph
->link
->wRefCount
++;
924 paragraph
->cookie
= para_normal_text
;
925 paragraph
->u
.text
.wFont
= attributes
.wFont
;
926 paragraph
->u
.text
.wVSpace
= attributes
.wVSpace
;
927 paragraph
->u
.text
.wHSpace
= attributes
.wHSpace
;
928 paragraph
->u
.text
.wIndent
= attributes
.wIndent
;
929 paragraph
->u
.text
.lpszText
= (char*)paragraph
+ sizeof(HLPFILE_PARAGRAPH
);
930 strcpy(paragraph
->u
.text
.lpszText
, text
);
932 attributes
.wVSpace
= 0;
933 attributes
.wHSpace
= 0;
935 /* else: null text, keep on storing attributes */
944 WINE_TRACE("format=%02x\n", *format
);
948 WINE_FIXME("NIY20\n");
953 WINE_FIXME("NIY21\n");
958 attributes
.wFont
= GET_USHORT(format
, 1);
959 WINE_TRACE("Changing font to %d\n", attributes
.wFont
);
964 attributes
.wVSpace
++;
969 attributes
.wVSpace
++;
970 attributes
.wIndent
= 0;
975 attributes
.wIndent
++;
989 BYTE pos
= (*format
- 0x86);
990 BYTE type
= format
[1];
994 size
= fetch_long(&format
);
996 paragraph
= HeapAlloc(GetProcessHeap(), 0,
997 sizeof(HLPFILE_PARAGRAPH
) + textsize
);
998 if (!paragraph
) return FALSE
;
999 *paragraphptr
= paragraph
;
1000 paragraphptr
= ¶graph
->next
;
1002 paragraph
->next
= NULL
;
1003 paragraph
->link
= attributes
.link
;
1004 if (paragraph
->link
) paragraph
->link
->wRefCount
++;
1005 paragraph
->cookie
= para_bitmap
;
1006 paragraph
->u
.gfx
.pos
= pos
;
1010 fetch_ushort(&format
); /* hot spot */
1013 switch (GET_SHORT(format
, 0))
1016 HLPFILE_LoadGfxByIndex(hlpfile
, GET_SHORT(format
, 2),
1020 WINE_FIXME("does it work ??? %x<%lu>#%u\n",
1021 GET_SHORT(format
, 0),
1022 size
, GET_SHORT(format
, 2));
1023 HLPFILE_LoadGfxByAddr(hlpfile
, format
+ 2, size
- 4,
1027 WINE_FIXME("??? %u\n", GET_SHORT(format
, 0));
1032 WINE_FIXME("Got an embedded element %s\n", format
+ 6);
1035 WINE_FIXME("Got a type %d picture\n", type
);
1038 if (attributes
.wVSpace
) paragraph
->u
.gfx
.pos
|= 0x8000;
1045 HLPFILE_FreeLink(attributes
.link
);
1046 attributes
.link
= NULL
;
1052 WINE_FIXME("NIY non-break space/hyphen\n");
1064 WINE_TRACE("macro => %s\n", format
+ 3);
1065 HLPFILE_FreeLink(attributes
.link
);
1066 attributes
.link
= HLPFILE_AllocLink(hlp_link_macro
, format
+ 3,
1067 0, !(*format
& 4), -1);
1068 format
+= 3 + GET_USHORT(format
, 1);
1073 WINE_WARN("jump topic 1 => %u\n", GET_UINT(format
, 1));
1081 HLPFILE_FreeLink(attributes
.link
);
1082 attributes
.link
= HLPFILE_AllocLink((*format
& 1) ? hlp_link_link
: hlp_link_popup
,
1084 GET_UINT(format
, 1),
1085 !(*format
& 4), -1);
1094 char* ptr
= format
+ 8;
1095 BYTE type
= format
[3];
1099 if (type
== 1) wnd
= *ptr
++;
1100 if (type
== 4 || type
== 6)
1103 ptr
+= strlen(ptr
) + 1;
1106 str
= hlpfile
->lpszPath
;
1109 for (wnd
= hlpfile
->numWindows
- 1; wnd
>= 0; wnd
--)
1111 if (!strcmp(ptr
, hlpfile
->windows
[wnd
].name
)) break;
1114 WINE_WARN("Couldn't find window info for %s\n", ptr
);
1116 HLPFILE_FreeLink(attributes
.link
);
1117 attributes
.link
= HLPFILE_AllocLink((*format
& 4) ? hlp_link_link
: hlp_link_popup
,
1118 str
, GET_UINT(format
, 4),
1119 !(*format
& 1), wnd
);
1121 format
+= 3 + GET_USHORT(format
, 1);
1125 WINE_WARN("format %02x\n", *format
);
1130 if (text_end
!= buf
+ GET_UINT(buf
, 0x10) + size
)
1131 HeapFree(GetProcessHeap(), 0, text_end
- size
);
1135 /******************************************************************
1140 static BOOL
HLPFILE_ReadFont(HLPFILE
* hlpfile
)
1143 unsigned i
, len
, idx
;
1144 unsigned face_num
, dscr_num
, face_offset
, dscr_offset
;
1147 if (!HLPFILE_FindSubFile("|FONT", &ref
, &end
))
1149 WINE_WARN("no subfile FONT\n");
1150 hlpfile
->numFonts
= 0;
1151 hlpfile
->fonts
= NULL
;
1157 face_num
= GET_USHORT(ref
, 0);
1158 dscr_num
= GET_USHORT(ref
, 2);
1159 face_offset
= GET_USHORT(ref
, 4);
1160 dscr_offset
= GET_USHORT(ref
, 6);
1162 WINE_TRACE("Got NumFacenames=%u@%u NumDesc=%u@%u\n",
1163 face_num
, face_offset
, dscr_num
, dscr_offset
);
1165 hlpfile
->numFonts
= dscr_num
;
1166 hlpfile
->fonts
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_FONT
) * dscr_num
);
1168 len
= (dscr_offset
- face_offset
) / face_num
;
1169 /* EPP for (i = face_offset; i < dscr_offset; i += len) */
1170 /* EPP WINE_FIXME("[%d]: %*s\n", i / len, len, ref + i); */
1171 for (i
= 0; i
< dscr_num
; i
++)
1173 flag
= ref
[dscr_offset
+ i
* 11 + 0];
1174 family
= ref
[dscr_offset
+ i
* 11 + 2];
1176 hlpfile
->fonts
[i
].LogFont
.lfHeight
= -ref
[dscr_offset
+ i
* 11 + 1] / 2;
1177 hlpfile
->fonts
[i
].LogFont
.lfWidth
= 0;
1178 hlpfile
->fonts
[i
].LogFont
.lfEscapement
= 0;
1179 hlpfile
->fonts
[i
].LogFont
.lfOrientation
= 0;
1180 hlpfile
->fonts
[i
].LogFont
.lfWeight
= (flag
& 1) ? 700 : 400;
1181 hlpfile
->fonts
[i
].LogFont
.lfItalic
= (flag
& 2) ? TRUE
: FALSE
;
1182 hlpfile
->fonts
[i
].LogFont
.lfUnderline
= (flag
& 4) ? TRUE
: FALSE
;
1183 hlpfile
->fonts
[i
].LogFont
.lfStrikeOut
= (flag
& 8) ? TRUE
: FALSE
;
1184 hlpfile
->fonts
[i
].LogFont
.lfCharSet
= ANSI_CHARSET
;
1185 hlpfile
->fonts
[i
].LogFont
.lfOutPrecision
= OUT_DEFAULT_PRECIS
;
1186 hlpfile
->fonts
[i
].LogFont
.lfClipPrecision
= CLIP_DEFAULT_PRECIS
;
1187 hlpfile
->fonts
[i
].LogFont
.lfQuality
= DEFAULT_QUALITY
;
1188 hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
= DEFAULT_PITCH
;
1192 case 0x01: hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
|= FF_MODERN
; break;
1193 case 0x02: hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
|= FF_ROMAN
; break;
1194 case 0x03: hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
|= FF_SWISS
; break;
1195 case 0x04: hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
|= FF_SCRIPT
; break;
1196 case 0x05: hlpfile
->fonts
[i
].LogFont
.lfPitchAndFamily
|= FF_DECORATIVE
; break;
1197 default: WINE_FIXME("Unknown family %u\n", family
);
1199 idx
= GET_USHORT(ref
, dscr_offset
+ i
* 11 + 3);
1203 strncpy(hlpfile
->fonts
[i
].LogFont
.lfFaceName
, ref
+ face_offset
+ idx
* len
, min(len
, LF_FACESIZE
- 1));
1204 hlpfile
->fonts
[i
].LogFont
.lfFaceName
[min(len
, LF_FACESIZE
- 1) + 1] = '\0';
1208 WINE_FIXME("Too high face ref (%u/%u)\n", idx
, face_num
);
1209 strcpy(hlpfile
->fonts
[i
].LogFont
.lfFaceName
, "Helv");
1211 hlpfile
->fonts
[i
].hFont
= 0;
1212 hlpfile
->fonts
[i
].color
= RGB(ref
[dscr_offset
+ i
* 11 + 5],
1213 ref
[dscr_offset
+ i
* 11 + 6],
1214 ref
[dscr_offset
+ i
* 11 + 7]);
1215 #define X(b,s) ((flag & (1 << b)) ? "-"s: "")
1216 WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
1222 X(4, "dblUnderline"),
1224 ref
[dscr_offset
+ i
* 11 + 1],
1226 hlpfile
->fonts
[i
].LogFont
.lfFaceName
, idx
,
1227 GET_UINT(ref
, dscr_offset
+ i
* 11 + 5) & 0x00FFFFFF);
1232 /***********************************************************************
1234 * HLPFILE_ReadFileToBuffer
1236 static BOOL
HLPFILE_ReadFileToBuffer(HFILE hFile
)
1238 BYTE header
[16], dummy
[1];
1241 if (_hread(hFile
, header
, 16) != 16) {WINE_WARN("header\n"); return FALSE
;};
1244 if (GET_UINT(header
, 0) != 0x00035F3F)
1245 {WINE_WARN("wrong header\n"); return FALSE
;};
1247 size
= GET_UINT(header
, 12);
1248 file_buffer
= HeapAlloc(GetProcessHeap(), 0, size
+ 1);
1249 if (!file_buffer
) return FALSE
;
1251 memcpy(file_buffer
, header
, 16);
1252 if (_hread(hFile
, file_buffer
+ 16, size
- 16) != size
- 16)
1253 {WINE_WARN("filesize1\n"); return FALSE
;};
1255 if (_hread(hFile
, dummy
, 1) != 0) WINE_WARN("filesize2\n");
1257 file_buffer
[size
] = '\0'; /* FIXME: was '0', sounds ackward to me */
1262 /***********************************************************************
1264 * HLPFILE_FindSubFile
1266 static BOOL
HLPFILE_FindSubFile(LPCSTR name
, BYTE
**subbuf
, BYTE
**subend
)
1268 BYTE
*root
= file_buffer
+ GET_UINT(file_buffer
, 4);
1269 BYTE
*end
= file_buffer
+ GET_UINT(file_buffer
, 12);
1280 /* FIXME: this should be using the EnumBTree functions from this file */
1281 pgsize
= GET_USHORT(bth
, 4);
1282 WINE_TRACE("%s => pgsize=%u #pg=%u rootpg=%u #lvl=%u\n",
1283 name
, pgsize
, GET_USHORT(bth
, 30), GET_USHORT(bth
, 26), GET_USHORT(bth
, 32));
1285 ptr
= bth
+ 38 + GET_USHORT(bth
, 26) * pgsize
;
1287 for (n
= 1; n
< GET_USHORT(bth
, 32); n
++)
1289 nentries
= GET_USHORT(ptr
, 2);
1290 pglast
= GET_USHORT(ptr
, 4);
1291 WINE_TRACE("[%u]: #entries=%u next=%u\n", n
, nentries
, pglast
);
1294 for (i
= 0; i
< nentries
; i
++)
1296 WINE_TRACE("<= %s\n", ptr
);
1297 if (strcmp(name
, ptr
) < 0) break;
1298 ptr
+= strlen(ptr
) + 1;
1299 pglast
= GET_USHORT(ptr
, 0);
1302 ptr
= bth
+ 38 + pglast
* pgsize
;
1305 nentries
= GET_USHORT(ptr
, 2);
1307 for (i
= 0; i
< nentries
; i
++)
1310 ptr
+= strlen(fname
) + 1;
1311 WINE_TRACE("\\- %s\n", fname
);
1312 if (strcmp(fname
, name
) == 0)
1314 *subbuf
= file_buffer
+ GET_UINT(ptr
, 0);
1315 *subend
= *subbuf
+ GET_UINT(*subbuf
, 0);
1316 if (file_buffer
> *subbuf
|| *subbuf
> *subend
|| *subend
> end
)
1318 WINE_WARN("size mismatch\n");
1329 /***********************************************************************
1331 * HLPFILE_SystemCommands
1333 static BOOL
HLPFILE_SystemCommands(HLPFILE
* hlpfile
)
1335 BYTE
*buf
, *ptr
, *end
;
1336 HLPFILE_MACRO
*macro
, **m
;
1338 unsigned short magic
, minor
, major
, flags
;
1340 hlpfile
->lpszTitle
= NULL
;
1342 if (!HLPFILE_FindSubFile("|SYSTEM", &buf
, &end
)) return FALSE
;
1344 magic
= GET_USHORT(buf
+ 9, 0);
1345 minor
= GET_USHORT(buf
+ 9, 2);
1346 major
= GET_USHORT(buf
+ 9, 4);
1347 /* gen date on 4 bytes */
1348 flags
= GET_USHORT(buf
+ 9, 10);
1349 WINE_TRACE("Got system header: magic=%04x version=%d.%d flags=%04x\n",
1350 magic
, major
, minor
, flags
);
1351 if (magic
!= 0x036C || major
!= 1)
1352 {WINE_WARN("Wrong system header\n"); return FALSE
;}
1353 if (minor
<= 16) {WINE_WARN("too old file format (NIY)\n"); return FALSE
;}
1354 if (flags
& 8) {WINE_WARN("Unsupported yet page size\n"); return FALSE
;}
1356 hlpfile
->version
= minor
;
1357 hlpfile
->flags
= flags
;
1359 for (ptr
= buf
+ 0x15; ptr
+ 4 <= end
; ptr
+= GET_USHORT(ptr
, 2) + 4)
1361 switch (GET_USHORT(ptr
, 0))
1364 if (hlpfile
->lpszTitle
) {WINE_WARN("title\n"); break;}
1365 hlpfile
->lpszTitle
= HeapAlloc(GetProcessHeap(), 0, strlen(ptr
+ 4) + 1);
1366 if (!hlpfile
->lpszTitle
) return FALSE
;
1367 lstrcpy(hlpfile
->lpszTitle
, ptr
+ 4);
1368 WINE_TRACE("Title: %s\n", hlpfile
->lpszTitle
);
1372 if (hlpfile
->lpszCopyright
) {WINE_WARN("copyright\n"); break;}
1373 hlpfile
->lpszCopyright
= HeapAlloc(GetProcessHeap(), 0, strlen(ptr
+ 4) + 1);
1374 if (!hlpfile
->lpszCopyright
) return FALSE
;
1375 lstrcpy(hlpfile
->lpszCopyright
, ptr
+ 4);
1376 WINE_TRACE("Copyright: %s\n", hlpfile
->lpszCopyright
);
1380 if (GET_USHORT(ptr
, 2) != 4) {WINE_WARN("system3\n");break;}
1381 hlpfile
->contents_start
= GET_UINT(ptr
, 4);
1382 WINE_TRACE("Setting contents start at %08lx\n", hlpfile
->contents_start
);
1386 macro
= HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO
) + lstrlen(ptr
+ 4) + 1);
1388 p
= (char*)macro
+ sizeof(HLPFILE_MACRO
);
1389 lstrcpy(p
, (LPSTR
)ptr
+ 4);
1390 macro
->lpszMacro
= p
;
1392 for (m
= &hlpfile
->first_macro
; *m
; m
= &(*m
)->next
);
1397 if (GET_USHORT(ptr
, 2) != 90) {WINE_WARN("system6\n");break;}
1398 hlpfile
->windows
= HeapReAlloc(GetProcessHeap(), 0, hlpfile
->windows
,
1399 sizeof(HLPFILE_WINDOWINFO
) * ++hlpfile
->numWindows
);
1400 if (hlpfile
->windows
)
1402 unsigned flags
= GET_USHORT(ptr
, 4);
1403 HLPFILE_WINDOWINFO
* wi
= &hlpfile
->windows
[hlpfile
->numWindows
- 1];
1405 if (flags
& 0x0001) strcpy(wi
->type
, ptr
+ 6); else wi
->type
[0] = '\0';
1406 if (flags
& 0x0002) strcpy(wi
->name
, ptr
+ 16); else wi
->name
[0] = '\0';
1407 if (flags
& 0x0004) strcpy(wi
->caption
, ptr
+ 25); else strncpy(wi
->caption
, hlpfile
->lpszTitle
, sizeof(wi
->caption
));
1408 wi
->origin
.x
= (flags
& 0x0008) ? GET_USHORT(ptr
, 76) : CW_USEDEFAULT
;
1409 wi
->origin
.y
= (flags
& 0x0010) ? GET_USHORT(ptr
, 78) : CW_USEDEFAULT
;
1410 wi
->size
.cx
= (flags
& 0x0020) ? GET_USHORT(ptr
, 80) : CW_USEDEFAULT
;
1411 wi
->size
.cy
= (flags
& 0x0040) ? GET_USHORT(ptr
, 82) : CW_USEDEFAULT
;
1412 wi
->style
= (flags
& 0x0080) ? GET_USHORT(ptr
, 84) : SW_SHOW
;
1413 wi
->sr_color
= (flags
& 0x0100) ? GET_UINT(ptr
, 86) : 0xFFFFFF;
1414 wi
->nsr_color
= (flags
& 0x0200) ? GET_UINT(ptr
, 90) : 0xFFFFFF;
1415 WINE_TRACE("System-Window: flags=%c%c%c%c%c%c%c%c type=%s name=%s caption=%s (%ld,%ld)x(%ld,%ld)\n",
1416 flags
& 0x0001 ? 'T' : 't',
1417 flags
& 0x0002 ? 'N' : 'n',
1418 flags
& 0x0004 ? 'C' : 'c',
1419 flags
& 0x0008 ? 'X' : 'x',
1420 flags
& 0x0010 ? 'Y' : 'y',
1421 flags
& 0x0020 ? 'W' : 'w',
1422 flags
& 0x0040 ? 'H' : 'h',
1423 flags
& 0x0080 ? 'S' : 's',
1424 wi
->type
, wi
->name
, wi
->caption
, wi
->origin
.x
, wi
->origin
.y
,
1425 wi
->size
.cx
, wi
->size
.cy
);
1429 WINE_WARN("Unsupported SystemRecord[%d]\n", GET_USHORT(ptr
, 0));
1435 /***********************************************************************
1437 * HLPFILE_UncompressedLZ77_Size
1439 static INT
HLPFILE_UncompressedLZ77_Size(BYTE
*ptr
, BYTE
*end
)
1446 for (i
= 0; i
< 8 && ptr
< end
; i
++, mask
>>= 1)
1450 int code
= GET_USHORT(ptr
, 0);
1451 int len
= 3 + (code
>> 12);
1455 else newsize
++, ptr
++;
1462 /***********************************************************************
1464 * HLPFILE_UncompressLZ77
1466 static BYTE
*HLPFILE_UncompressLZ77(BYTE
*ptr
, BYTE
*end
, BYTE
*newptr
)
1473 for (i
= 0; i
< 8 && ptr
< end
; i
++, mask
>>= 1)
1477 int code
= GET_USHORT(ptr
, 0);
1478 int len
= 3 + (code
>> 12);
1479 int offset
= code
& 0xfff;
1480 memcpy(newptr
, newptr
- offset
- 1, len
);
1484 else *newptr
++ = *ptr
++;
1491 /***********************************************************************
1493 * HLPFILE_UncompressLZ77_Phrases
1495 static BOOL
HLPFILE_UncompressLZ77_Phrases(HLPFILE
* hlpfile
)
1497 UINT i
, num
, dec_size
;
1500 if (!HLPFILE_FindSubFile("|Phrases", &buf
, &end
)) return FALSE
;
1502 num
= phrases
.num
= GET_USHORT(buf
, 9);
1503 if (buf
+ 2 * num
+ 0x13 >= end
) {WINE_WARN("1a\n"); return FALSE
;};
1505 dec_size
= HLPFILE_UncompressedLZ77_Size(buf
+ 0x13 + 2 * num
, end
);
1507 phrases
.offsets
= HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num
+ 1));
1508 phrases
.buffer
= HeapAlloc(GetProcessHeap(), 0, dec_size
);
1509 if (!phrases
.offsets
|| !phrases
.buffer
) return FALSE
;
1511 for (i
= 0; i
<= num
; i
++)
1512 phrases
.offsets
[i
] = GET_USHORT(buf
, 0x11 + 2 * i
) - 2 * num
- 2;
1514 HLPFILE_UncompressLZ77(buf
+ 0x13 + 2 * num
, end
, phrases
.buffer
);
1516 hlpfile
->hasPhrases
= TRUE
;
1520 /***********************************************************************
1522 * HLPFILE_Uncompress_Phrases40
1524 static BOOL
HLPFILE_Uncompress_Phrases40(HLPFILE
* hlpfile
)
1526 UINT num
, dec_size
, cpr_size
;
1527 BYTE
*buf_idx
, *end_idx
;
1528 BYTE
*buf_phs
, *end_phs
;
1530 long* ptr
, mask
= 0;
1533 if (!HLPFILE_FindSubFile("|PhrIndex", &buf_idx
, &end_idx
) ||
1534 !HLPFILE_FindSubFile("|PhrImage", &buf_phs
, &end_phs
)) return FALSE
;
1536 ptr
= (long*)(buf_idx
+ 9 + 28);
1537 bc
= GET_USHORT(buf_idx
, 9 + 24) & 0x0F;
1538 num
= phrases
.num
= GET_USHORT(buf_idx
, 9 + 4);
1540 WINE_TRACE("Index: Magic=%08x #entries=%u CpsdSize=%u PhrImgSize=%u\n"
1541 "\tPhrImgCprsdSize=%u 0=%u bc=%x ukn=%x\n",
1542 GET_UINT(buf_idx
, 9 + 0),
1543 GET_UINT(buf_idx
, 9 + 4),
1544 GET_UINT(buf_idx
, 9 + 8),
1545 GET_UINT(buf_idx
, 9 + 12),
1546 GET_UINT(buf_idx
, 9 + 16),
1547 GET_UINT(buf_idx
, 9 + 20),
1548 GET_USHORT(buf_idx
, 9 + 24),
1549 GET_USHORT(buf_idx
, 9 + 26));
1551 dec_size
= GET_UINT(buf_idx
, 9 + 12);
1552 cpr_size
= GET_UINT(buf_idx
, 9 + 16);
1554 if (dec_size
!= cpr_size
&&
1555 dec_size
!= HLPFILE_UncompressedLZ77_Size(buf_phs
+ 9, end_phs
))
1557 WINE_WARN("size mismatch %u %u\n",
1558 dec_size
, HLPFILE_UncompressedLZ77_Size(buf_phs
+ 9, end_phs
));
1559 dec_size
= max(dec_size
, HLPFILE_UncompressedLZ77_Size(buf_phs
+ 9, end_phs
));
1562 phrases
.offsets
= HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num
+ 1));
1563 phrases
.buffer
= HeapAlloc(GetProcessHeap(), 0, dec_size
);
1564 if (!phrases
.offsets
|| !phrases
.buffer
) return FALSE
;
1566 #define getbit() (ptr += (mask < 0), mask = mask*2 + (mask<=0), (*ptr & mask) != 0)
1568 phrases
.offsets
[0] = 0;
1569 for (i
= 0; i
< num
; i
++)
1571 for (n
= 1; getbit(); n
+= 1 << bc
);
1573 if (bc
> 1 && getbit()) n
+= 2;
1574 if (bc
> 2 && getbit()) n
+= 4;
1575 if (bc
> 3 && getbit()) n
+= 8;
1576 if (bc
> 4 && getbit()) n
+= 16;
1577 phrases
.offsets
[i
+ 1] = phrases
.offsets
[i
] + n
;
1581 if (dec_size
== cpr_size
)
1582 memcpy(phrases
.buffer
, buf_phs
+ 9, dec_size
);
1584 HLPFILE_UncompressLZ77(buf_phs
+ 9, end_phs
, phrases
.buffer
);
1586 hlpfile
->hasPhrases
= FALSE
;
1590 /***********************************************************************
1592 * HLPFILE_Uncompress_Topic
1594 static BOOL
HLPFILE_Uncompress_Topic(HLPFILE
* hlpfile
)
1596 BYTE
*buf
, *ptr
, *end
, *newptr
;
1599 if (!HLPFILE_FindSubFile("|TOPIC", &buf
, &end
))
1600 {WINE_WARN("topic0\n"); return FALSE
;}
1602 switch (hlpfile
->flags
& (8|4))
1605 WINE_FIXME("Unsupported format\n");
1609 topic
.wMapLen
= (end
- buf
- 1) / 0x1000 + 1;
1611 for (i
= 0; i
< topic
.wMapLen
; i
++)
1613 ptr
= buf
+ i
* 0x1000;
1615 /* I don't know why, it's necessary for printman.hlp */
1616 if (ptr
+ 0x44 > end
) ptr
= end
- 0x44;
1618 newsize
+= HLPFILE_UncompressedLZ77_Size(ptr
+ 0xc, min(end
, ptr
+ 0x1000));
1621 topic
.map
= HeapAlloc(GetProcessHeap(), 0,
1622 topic
.wMapLen
* sizeof(topic
.map
[0]) + newsize
);
1623 if (!topic
.map
) return FALSE
;
1624 newptr
= (char*)(topic
.map
+ topic
.wMapLen
);
1625 topic
.end
= newptr
+ newsize
;
1627 for (i
= 0; i
< topic
.wMapLen
; i
++)
1629 ptr
= buf
+ i
* 0x1000;
1630 if (ptr
+ 0x44 > end
) ptr
= end
- 0x44;
1632 topic
.map
[i
] = newptr
;
1633 newptr
= HLPFILE_UncompressLZ77(ptr
+ 0xc, min(end
, ptr
+ 0x1000), newptr
);
1637 /* basically, we need to copy the 0x1000 byte pages (removing the first 0x0C) in
1638 * one single are in memory
1640 #define DST_LEN (0x1000 - 0x0C)
1642 newsize
= end
- buf
;
1643 /* number of destination pages */
1644 topic
.wMapLen
= (newsize
- 1) / DST_LEN
+ 1;
1645 topic
.map
= HeapAlloc(GetProcessHeap(), 0,
1646 topic
.wMapLen
* (sizeof(topic
.map
[0]) + DST_LEN
));
1647 if (!topic
.map
) return FALSE
;
1648 newptr
= (char*)(topic
.map
+ topic
.wMapLen
);
1649 topic
.end
= newptr
+ newsize
;
1651 for (i
= 0; i
< topic
.wMapLen
; i
++)
1653 topic
.map
[i
] = newptr
+ i
* DST_LEN
;
1654 memcpy(topic
.map
[i
], buf
+ i
* 0x1000 + 0x0C, DST_LEN
);
1662 /***********************************************************************
1664 * HLPFILE_Uncompress2
1667 static void HLPFILE_Uncompress2(const BYTE
*ptr
, const BYTE
*end
, BYTE
*newptr
, const BYTE
*newend
)
1669 BYTE
*phptr
, *phend
;
1673 while (ptr
< end
&& newptr
< newend
)
1675 if (!*ptr
|| *ptr
>= 0x10)
1679 code
= 0x100 * ptr
[0] + ptr
[1];
1680 index
= (code
- 0x100) / 2;
1682 phptr
= phrases
.buffer
+ phrases
.offsets
[index
];
1683 phend
= phrases
.buffer
+ phrases
.offsets
[index
+ 1];
1685 if (newptr
+ (phend
- phptr
) > newend
)
1687 WINE_FIXME("buffer overflow %p > %p for %d bytes\n",
1688 newptr
, newend
, phend
- phptr
);
1691 memcpy(newptr
, phptr
, phend
- phptr
);
1692 newptr
+= phend
- phptr
;
1693 if (code
& 1) *newptr
++ = ' ';
1698 if (newptr
> newend
) WINE_FIXME("buffer overflow %p > %p\n", newptr
, newend
);
1701 /******************************************************************
1702 * HLPFILE_Uncompress3
1706 static BOOL
HLPFILE_Uncompress3(char* dst
, const char* dst_end
,
1707 const BYTE
* src
, const BYTE
* src_end
)
1711 for (; src
< src_end
; src
++)
1713 if ((*src
& 1) == 0)
1716 if (idx
> phrases
.num
)
1718 WINE_ERR("index in phrases %d/%d\n", idx
, phrases
.num
);
1723 len
= phrases
.offsets
[idx
+ 1] - phrases
.offsets
[idx
];
1724 if (dst
+ len
<= dst_end
)
1725 memcpy(dst
, &phrases
.buffer
[phrases
.offsets
[idx
]], len
);
1728 else if ((*src
& 0x03) == 0x01)
1730 idx
= (*src
+ 1) * 64;
1732 if (idx
> phrases
.num
)
1734 WINE_ERR("index in phrases %d/%d\n", idx
, phrases
.num
);
1739 len
= phrases
.offsets
[idx
+ 1] - phrases
.offsets
[idx
];
1740 if (dst
+ len
<= dst_end
)
1741 memcpy(dst
, &phrases
.buffer
[phrases
.offsets
[idx
]], len
);
1744 else if ((*src
& 0x07) == 0x03)
1746 len
= (*src
/ 8) + 1;
1747 if (dst
+ len
<= dst_end
)
1748 memcpy(dst
, src
+ 1, len
);
1753 len
= (*src
/ 16) + 1;
1754 if (dst
+ len
<= dst_end
)
1755 memset(dst
, ((*src
& 0x0F) == 0x07) ? ' ' : 0, len
);
1760 if (dst
> dst_end
) WINE_ERR("buffer overflow (%p > %p)\n", dst
, dst_end
);
1764 /******************************************************************
1765 * HLPFILE_UncompressRLE
1769 static void HLPFILE_UncompressRLE(const BYTE
* src
, const BYTE
* end
, BYTE
** dst
, unsigned dstsz
)
1772 BYTE
* sdst
= *dst
+ dstsz
;
1780 if (ch
== 0) WINE_FIXME("Null length 1, next is %u\n", *src
);
1781 if ((*dst
) + ch
< sdst
)
1782 memcpy(*dst
, src
, ch
);
1787 if ((*dst
) + ch
< sdst
)
1788 memset(*dst
, (char)*src
, ch
);
1792 WINE_FIXME("Null length 2, next is %u\n", *src
);
1798 WINE_FIXME("Buffer X-flow: d(%u) instead of d(%u)\n",
1799 *dst
- (sdst
- dstsz
), dstsz
);
1802 /******************************************************************
1803 * HLPFILE_EnumBTreeLeaves
1807 static void HLPFILE_EnumBTreeLeaves(const BYTE
* buf
, const BYTE
* end
, unsigned (*fn
)(const BYTE
*, void*), void* user
)
1809 unsigned psize
, pnext
;
1813 num
= GET_UINT(buf
, 9 + 34);
1814 psize
= GET_USHORT(buf
, 9 + 4);
1815 nlvl
= GET_USHORT(buf
, 9 + 32);
1816 pnext
= GET_USHORT(buf
, 9 + 26);
1818 WINE_TRACE("BTree: #entries=%u pagSize=%u #levels=%u #pages=%u root=%u struct%16s\n",
1819 num
, psize
, nlvl
, GET_USHORT(buf
, 9 + 30), pnext
, buf
+ 9 + 6);
1824 ptr
= (buf
+ 9 + 38) + pnext
* psize
;
1825 WINE_TRACE("BTree: (index[%u]) unused=%u #entries=%u <%u\n",
1826 pnext
, GET_USHORT(ptr
, 0), GET_USHORT(ptr
, 2), GET_USHORT(ptr
, 4));
1827 pnext
= GET_USHORT(ptr
, 4);
1829 while (pnext
!= 0xFFFF)
1831 const BYTE
* node_page
;
1832 unsigned short limit
;
1834 node_page
= ptr
= (buf
+ 9 + 38) + pnext
* psize
;
1835 limit
= GET_USHORT(ptr
, 2);
1836 WINE_TRACE("BTree: (leaf [%u]) unused=%u #entries=%u <%u >%u\n",
1837 pnext
, GET_USHORT(ptr
, 0), limit
, GET_USHORT(ptr
, 4), GET_USHORT(ptr
, 6));
1840 ptr
+= (fn
)(ptr
, user
);
1841 pnext
= GET_USHORT(node_page
, 6);
1850 static unsigned myfn(const BYTE
* ptr
, void* user
)
1852 struct myfncb
* m
= user
;
1854 m
->hlpfile
->Context
[m
->i
].lHash
= GET_UINT(ptr
, 0);
1855 m
->hlpfile
->Context
[m
->i
].offset
= GET_UINT(ptr
, 4);
1860 /***********************************************************************
1862 * HLPFILE_GetContext
1864 static BOOL
HLPFILE_GetContext(HLPFILE
*hlpfile
)
1870 if (!HLPFILE_FindSubFile("|CONTEXT", &cbuf
, &cend
)) {WINE_WARN("context0\n"); return FALSE
;}
1872 clen
= GET_UINT(cbuf
, 0x2b);
1873 hlpfile
->Context
= HeapAlloc(GetProcessHeap(), 0, clen
* sizeof(HLPFILE_CONTEXT
));
1874 if (!hlpfile
->Context
) return FALSE
;
1875 hlpfile
->wContextLen
= clen
;
1877 m
.hlpfile
= hlpfile
;
1879 HLPFILE_EnumBTreeLeaves(cbuf
, cend
, myfn
, &m
);
1884 /******************************************************************
1885 * HLPFILE_DeleteLink
1889 void HLPFILE_FreeLink(HLPFILE_LINK
* link
)
1891 if (link
&& !--link
->wRefCount
)
1892 HeapFree(GetProcessHeap(), 0, link
);
1895 /***********************************************************************
1897 * HLPFILE_DeleteParagraph
1899 static void HLPFILE_DeleteParagraph(HLPFILE_PARAGRAPH
* paragraph
)
1901 HLPFILE_PARAGRAPH
* next
;
1905 next
= paragraph
->next
;
1907 if (paragraph
->cookie
== para_metafile
)
1908 DeleteMetaFile(paragraph
->u
.gfx
.u
.mf
.hMetaFile
);
1910 HLPFILE_FreeLink(paragraph
->link
);
1912 HeapFree(GetProcessHeap(), 0, paragraph
);
1917 /***********************************************************************
1921 static void HLPFILE_DeleteMacro(HLPFILE_MACRO
* macro
)
1923 HLPFILE_MACRO
* next
;
1928 HeapFree(GetProcessHeap(), 0, macro
);
1933 /***********************************************************************
1937 static void HLPFILE_DeletePage(HLPFILE_PAGE
* page
)
1944 HLPFILE_DeleteParagraph(page
->first_paragraph
);
1945 HLPFILE_DeleteMacro(page
->first_macro
);
1946 HeapFree(GetProcessHeap(), 0, page
);
1951 /***********************************************************************
1953 * HLPFILE_FreeHlpFile
1955 void HLPFILE_FreeHlpFile(HLPFILE
* hlpfile
)
1959 if (!hlpfile
|| --hlpfile
->wRefCount
> 0) return;
1961 if (hlpfile
->next
) hlpfile
->next
->prev
= hlpfile
->prev
;
1962 if (hlpfile
->prev
) hlpfile
->prev
->next
= hlpfile
->next
;
1963 else first_hlpfile
= hlpfile
->next
;
1965 if (hlpfile
->numFonts
)
1967 for (i
= 0; i
< hlpfile
->numFonts
; i
++)
1969 DeleteObject(hlpfile
->fonts
[i
].hFont
);
1971 HeapFree(GetProcessHeap(), 0, hlpfile
->fonts
);
1974 if (hlpfile
->numBmps
)
1976 for (i
= 0; i
< hlpfile
->numBmps
; i
++)
1978 DeleteObject(hlpfile
->bmps
[i
]);
1980 HeapFree(GetProcessHeap(), 0, hlpfile
->bmps
);
1983 HLPFILE_DeletePage(hlpfile
->first_page
);
1984 HLPFILE_DeleteMacro(hlpfile
->first_macro
);
1986 if (hlpfile
->numWindows
) HeapFree(GetProcessHeap(), 0, hlpfile
->windows
);
1987 if (hlpfile
->Context
) HeapFree(GetProcessHeap(), 0, hlpfile
->Context
);
1988 if (hlpfile
->lpszTitle
) HeapFree(GetProcessHeap(), 0, hlpfile
->lpszTitle
);
1989 if (hlpfile
->lpszCopyright
) HeapFree(GetProcessHeap(), 0, hlpfile
->lpszCopyright
);
1990 HeapFree(GetProcessHeap(), 0, hlpfile
);