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winhelp: There are files without Phrases or Phrases40 compression, add support for them.

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This commit is contained in:
Kirill K. Smirnov 2007-12-04 03:22:05 +03:00 committed by Alexandre Julliard
parent c1b3549106
commit 7f2c72498a
2 changed files with 32 additions and 27 deletions
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56
programs/winhelp/hlpfile.c
View file

@ -412,11 +412,13 @@ static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigned off
{
HLPFILE_PAGE* page;
BYTE* title;
UINT titlesize;
UINT titlesize, blocksize, datalen;
char* ptr;
HLPFILE_MACRO*macro;
title = buf + GET_UINT(buf, 0x10);
blocksize = GET_UINT(buf, 0);
datalen = GET_UINT(buf, 0x10);
title = buf + datalen;
if (title > end) {WINE_WARN("page2\n"); return FALSE;};
titlesize = GET_UINT(buf, 4);
@ -424,23 +426,22 @@ static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigned off
if (!page) return FALSE;
page->lpszTitle = (char*)page + sizeof(HLPFILE_PAGE);
if (hlpfile->hasPhrases)
if (titlesize > blocksize - datalen)
{
HLPFILE_Uncompress2(title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
}
else
{
if (GET_UINT(buf, 0x4) > GET_UINT(buf, 0) - GET_UINT(buf, 0x10))
{
/* need to decompress */
HLPFILE_Uncompress3(page->lpszTitle, page->lpszTitle + titlesize,
title, end);
}
/* need to decompress */
if (hlpfile->hasPhrases)
HLPFILE_Uncompress2(title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
else if (hlpfile->hasPhrases40)
HLPFILE_Uncompress3(page->lpszTitle, page->lpszTitle + titlesize, title, end);
else
{
WINE_FIXME("Text size is too long, splitting\n");
titlesize = blocksize - datalen;
memcpy(page->lpszTitle, title, titlesize);
}
}
else
memcpy(page->lpszTitle, title, titlesize);
page->lpszTitle[titlesize] = '\0';
@ -888,7 +889,7 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
UINT textsize;
BYTE *format, *format_end;
char *text, *text_base, *text_end;
long size;
long size, blocksize, datalen;
unsigned short bits;
unsigned nc, ncol = 1;
@ -900,25 +901,28 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
blocksize = GET_UINT(buf, 0);
size = GET_UINT(buf, 0x4);
datalen = GET_UINT(buf, 0x10);
text = text_base = HeapAlloc(GetProcessHeap(), 0, size);
if (!text) return FALSE;
if (hlpfile->hasPhrases)
if (size > blocksize - datalen)
{
HLPFILE_Uncompress2(buf + GET_UINT(buf, 0x10), end, (BYTE*)text, (BYTE*)text + size);
}
else
{
if (GET_UINT(buf, 0x4) > GET_UINT(buf, 0) - GET_UINT(buf, 0x10))
{
/* block is compressed */
HLPFILE_Uncompress3(text, text + size, buf + GET_UINT(buf, 0x10), end);
}
/* need to decompress */
if (hlpfile->hasPhrases)
HLPFILE_Uncompress2(buf + datalen, end, (BYTE*)text, (BYTE*)text + size);
else if (hlpfile->hasPhrases40)
HLPFILE_Uncompress3(text, text + size, buf + datalen, end);
else
{
text = (char*)buf + GET_UINT(buf, 0x10);
WINE_FIXME("Text size is too long, splitting\n");
size = blocksize - datalen;
memcpy(text, buf + datalen, size);
}
}
else
memcpy(text, buf + datalen, size);
text_end = text + size;
format = buf + 0x15;
@ -1694,7 +1698,7 @@ static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE* hlpfile)
else
HLPFILE_UncompressLZ77(buf_phs + 9, end_phs, (BYTE*)phrases.buffer);
hlpfile->hasPhrases = FALSE;
hlpfile->hasPhrases40 = TRUE;
return TRUE;
}

3
programs/winhelp/hlpfile.h
View file

@ -137,7 +137,8 @@ typedef struct tagHlpFileFile
unsigned short tbsize; /* topic block size */
unsigned short dsize; /* decompress size */
unsigned short compressed;
unsigned hasPhrases; /* Phrases or PhrIndex/PhrImage */
unsigned hasPhrases; /* file has |Phrases */
unsigned hasPhrases40; /* file has |PhrIndex/|PhrImage */
unsigned numBmps;
HBITMAP* bmps;