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Sweden-Number/programs/winhelp/hlpfile.c

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/*
* Help Viewer
*
* Copyright 1996 Ulrich Schmid
* 2002, 2008 Eric Pouech
* 2007 Kirill K. Smirnov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winhelp.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
static inline unsigned short GET_USHORT(const BYTE* buffer, unsigned i)
{
return (BYTE)buffer[i] + 0x100 * (BYTE)buffer[i + 1];
}
static inline short GET_SHORT(const BYTE* buffer, unsigned i)
{
return (BYTE)buffer[i] + 0x100 * (signed char)buffer[i+1];
}
static inline unsigned GET_UINT(const BYTE* buffer, unsigned i)
{
return GET_USHORT(buffer, i) + 0x10000 * GET_USHORT(buffer, i + 2);
}
static HLPFILE *first_hlpfile = 0;
static struct
{
UINT wFont;
UINT wIndent;
UINT wHSpace;
UINT wVSpace;
HLPFILE_LINK* link;
} attributes;
static BOOL HLPFILE_DoReadHlpFile(HLPFILE*, LPCSTR);
static BOOL HLPFILE_ReadFileToBuffer(HLPFILE*, HFILE);
static BOOL HLPFILE_FindSubFile(HLPFILE*, LPCSTR, BYTE**, BYTE**);
static BOOL HLPFILE_SystemCommands(HLPFILE*);
static INT HLPFILE_UncompressedLZ77_Size(BYTE *ptr, BYTE *end);
static BYTE* HLPFILE_UncompressLZ77(BYTE *ptr, BYTE *end, BYTE *newptr);
static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE*);
static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE*);
static BOOL HLPFILE_Uncompress_Topic(HLPFILE*);
static BOOL HLPFILE_GetContext(HLPFILE*);
static BOOL HLPFILE_GetKeywords(HLPFILE*);
static BOOL HLPFILE_GetMap(HLPFILE*);
static BOOL HLPFILE_AddPage(HLPFILE*, BYTE*, BYTE*, unsigned, unsigned);
static BOOL HLPFILE_SkipParagraph(HLPFILE*, BYTE *, BYTE*, unsigned*);
static void HLPFILE_Uncompress2(HLPFILE*, const BYTE*, const BYTE*, BYTE*, const BYTE*);
static BOOL HLPFILE_Uncompress3(HLPFILE*, char*, const char*, const BYTE*, const BYTE*);
static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE** dst, unsigned dstsz);
static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile);
/***********************************************************************
*
* HLPFILE_PageByNumber
*/
static HLPFILE_PAGE *HLPFILE_PageByNumber(HLPFILE* hlpfile, UINT wNum)
{
HLPFILE_PAGE *page;
UINT temp = wNum;
WINE_TRACE("<%s>[%u]\n", hlpfile->lpszPath, wNum);
for (page = hlpfile->first_page; page && temp; page = page->next) temp--;
if (!page)
WINE_ERR("Page of number %u not found in file %s\n", wNum, hlpfile->lpszPath);
return page;
}
/******************************************************************
* HLPFILE_PageByOffset
*
*
*/
HLPFILE_PAGE *HLPFILE_PageByOffset(HLPFILE* hlpfile, LONG offset, ULONG* relative)
{
HLPFILE_PAGE* page;
HLPFILE_PAGE* found;
if (!hlpfile) return 0;
WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, offset);
if (offset == 0xFFFFFFFF) return NULL;
page = NULL;
for (found = NULL, page = hlpfile->first_page; page; page = page->next)
{
if (page->offset <= offset && (!found || found->offset < page->offset))
{
*relative = offset - page->offset;
found = page;
}
}
if (!found)
WINE_ERR("Page of offset %u not found in file %s\n",
offset, hlpfile->lpszPath);
return found;
}
/**************************************************************************
* comp_PageByHash
*
* HLPFILE_BPTreeCompare function for '|CONTEXT' B+ tree file
*
*/
static int comp_PageByHash(void *p, const void *key,
int leaf, void** next)
{
LONG lKey = (LONG_PTR)key;
LONG lTest = (INT)GET_UINT(p, 0);
*next = (char *)p+(leaf?8:6);
WINE_TRACE("Comparing '%d' with '%d'\n", lKey, lTest);
if (lTest < lKey) return -1;
if (lTest > lKey) return 1;
return 0;
}
/***********************************************************************
*
* HLPFILE_PageByHash
*/
HLPFILE_PAGE *HLPFILE_PageByHash(HLPFILE* hlpfile, LONG lHash, ULONG* relative)
{
BYTE *ptr;
if (!hlpfile) return NULL;
if (!lHash) return HLPFILE_Contents(hlpfile, relative);
WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, lHash);
/* For win 3.0 files hash values are really page numbers */
if (hlpfile->version <= 16)
{
*relative = 0;
return HLPFILE_PageByNumber(hlpfile, lHash);
}
ptr = HLPFILE_BPTreeSearch(hlpfile->Context, LongToPtr(lHash), comp_PageByHash);
if (!ptr)
{
WINE_ERR("Page of hash %x not found in file %s\n", lHash, hlpfile->lpszPath);
return NULL;
}
return HLPFILE_PageByOffset(hlpfile, GET_UINT(ptr, 4), relative);
}
/***********************************************************************
*
* HLPFILE_PageByMap
*/
HLPFILE_PAGE *HLPFILE_PageByMap(HLPFILE* hlpfile, LONG lMap, ULONG* relative)
{
unsigned int i;
if (!hlpfile) return 0;
WINE_TRACE("<%s>[%x]\n", hlpfile->lpszPath, lMap);
for (i = 0; i < hlpfile->wMapLen; i++)
{
if (hlpfile->Map[i].lMap == lMap)
return HLPFILE_PageByOffset(hlpfile, hlpfile->Map[i].offset, relative);
}
WINE_ERR("Page of Map %x not found in file %s\n", lMap, hlpfile->lpszPath);
return NULL;
}
/***********************************************************************
*
* HLPFILE_Contents
*/
HLPFILE_PAGE* HLPFILE_Contents(HLPFILE *hlpfile, ULONG* relative)
{
HLPFILE_PAGE* page = NULL;
if (!hlpfile) return NULL;
page = HLPFILE_PageByOffset(hlpfile, hlpfile->contents_start, relative);
if (!page)
{
page = hlpfile->first_page;
*relative = 0;
}
return page;
}
/***********************************************************************
*
* HLPFILE_Hash
*/
LONG HLPFILE_Hash(LPCSTR lpszContext)
{
LONG lHash = 0;
CHAR c;
while ((c = *lpszContext++))
{
CHAR x = 0;
if (c >= 'A' && c <= 'Z') x = c - 'A' + 17;
if (c >= 'a' && c <= 'z') x = c - 'a' + 17;
if (c >= '1' && c <= '9') x = c - '0';
if (c == '0') x = 10;
if (c == '.') x = 12;
if (c == '_') x = 13;
if (x) lHash = lHash * 43 + x;
}
return lHash;
}
/***********************************************************************
*
* HLPFILE_ReadHlpFile
*/
HLPFILE *HLPFILE_ReadHlpFile(LPCSTR lpszPath)
{
HLPFILE* hlpfile;
for (hlpfile = first_hlpfile; hlpfile; hlpfile = hlpfile->next)
{
if (!strcmp(lpszPath, hlpfile->lpszPath))
{
hlpfile->wRefCount++;
return hlpfile;
}
}
hlpfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(HLPFILE) + lstrlen(lpszPath) + 1);
if (!hlpfile) return 0;
hlpfile->lpszPath = (char*)hlpfile + sizeof(HLPFILE);
hlpfile->contents_start = 0xFFFFFFFF;
hlpfile->next = first_hlpfile;
hlpfile->wRefCount = 1;
strcpy(hlpfile->lpszPath, lpszPath);
first_hlpfile = hlpfile;
if (hlpfile->next) hlpfile->next->prev = hlpfile;
if (!HLPFILE_DoReadHlpFile(hlpfile, lpszPath))
{
HLPFILE_FreeHlpFile(hlpfile);
hlpfile = 0;
}
return hlpfile;
}
/***********************************************************************
*
* HLPFILE_DoReadHlpFile
*/
static BOOL HLPFILE_DoReadHlpFile(HLPFILE *hlpfile, LPCSTR lpszPath)
{
BOOL ret;
HFILE hFile;
OFSTRUCT ofs;
BYTE* buf;
DWORD ref = 0x0C;
unsigned index, old_index, offset, len, offs;
hFile = OpenFile(lpszPath, &ofs, OF_READ);
if (hFile == HFILE_ERROR) return FALSE;
ret = HLPFILE_ReadFileToBuffer(hlpfile, hFile);
_lclose(hFile);
if (!ret) return FALSE;
if (!HLPFILE_SystemCommands(hlpfile)) return FALSE;
/* load phrases support */
if (!HLPFILE_UncompressLZ77_Phrases(hlpfile))
HLPFILE_Uncompress_Phrases40(hlpfile);
if (!HLPFILE_Uncompress_Topic(hlpfile)) return FALSE;
if (!HLPFILE_ReadFont(hlpfile)) return FALSE;
buf = hlpfile->topic_map[0];
old_index = -1;
offs = 0;
do
{
BYTE* end;
if (hlpfile->version <= 16)
{
index = (ref - 0x0C) / hlpfile->dsize;
offset = (ref - 0x0C) % hlpfile->dsize;
}
else
{
index = (ref - 0x0C) >> 14;
offset = (ref - 0x0C) & 0x3FFF;
}
if (hlpfile->version <= 16 && index != old_index && index != 0)
{
/* we jumped to the next block, adjust pointers */
ref -= 12;
offset -= 12;
}
WINE_TRACE("ref=%08x => [%u/%u]\n", ref, index, offset);
if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
buf = hlpfile->topic_map[index] + offset;
if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
if (index != old_index) {offs = 0; old_index = index;}
switch (buf[0x14])
{
case 0x02:
if (!HLPFILE_AddPage(hlpfile, buf, end, ref, index * 0x8000L + offs)) return FALSE;
break;
case 0x01:
case 0x20:
case 0x23:
if (!HLPFILE_SkipParagraph(hlpfile, buf, end, &len)) return FALSE;
offs += len;
break;
default:
WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
}
if (hlpfile->version <= 16)
{
ref += GET_UINT(buf, 0xc);
if (GET_UINT(buf, 0xc) == 0)
break;
}
else
ref = GET_UINT(buf, 0xc);
} while (ref != 0xffffffff);
HLPFILE_GetKeywords(hlpfile);
HLPFILE_GetMap(hlpfile);
if (hlpfile->version <= 16) return TRUE;
return HLPFILE_GetContext(hlpfile);
}
/***********************************************************************
*
* HLPFILE_AddPage
*/
static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigned ref, unsigned offset)
{
HLPFILE_PAGE* page;
BYTE* title;
UINT titlesize, blocksize, datalen;
char* ptr;
HLPFILE_MACRO*macro;
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);
page = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_PAGE) + titlesize + 1);
if (!page) return FALSE;
page->lpszTitle = (char*)page + sizeof(HLPFILE_PAGE);
if (titlesize > blocksize - datalen)
{
/* need to decompress */
if (hlpfile->hasPhrases)
HLPFILE_Uncompress2(hlpfile, title, end, (BYTE*)page->lpszTitle, (BYTE*)page->lpszTitle + titlesize);
else if (hlpfile->hasPhrases40)
HLPFILE_Uncompress3(hlpfile, 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';
if (hlpfile->first_page)
{
hlpfile->last_page->next = page;
page->prev = hlpfile->last_page;
hlpfile->last_page = page;
}
else
{
hlpfile->first_page = page;
hlpfile->last_page = page;
page->prev = NULL;
}
page->file = hlpfile;
page->next = NULL;
page->first_paragraph = NULL;
page->first_macro = NULL;
page->first_link = NULL;
page->wNumber = GET_UINT(buf, 0x21);
page->offset = offset;
page->reference = ref;
page->browse_bwd = GET_UINT(buf, 0x19);
page->browse_fwd = GET_UINT(buf, 0x1D);
WINE_TRACE("Added page[%d]: title='%s' %08x << %08x >> %08x\n",
page->wNumber, page->lpszTitle,
page->browse_bwd, page->offset, page->browse_fwd);
memset(&attributes, 0, sizeof(attributes));
/* now load macros */
ptr = page->lpszTitle + strlen(page->lpszTitle) + 1;
while (ptr < page->lpszTitle + titlesize)
{
unsigned len = strlen(ptr);
char* macro_str;
WINE_TRACE("macro: %s\n", ptr);
macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + len + 1);
macro->lpszMacro = macro_str = (char*)(macro + 1);
memcpy(macro_str, ptr, len + 1);
/* FIXME: shall we really link macro in reverse order ??
* may produce strange results when played at page opening
*/
macro->next = page->first_macro;
page->first_macro = macro;
ptr += len + 1;
}
return TRUE;
}
static long fetch_long(BYTE** ptr)
{
long ret;
if (*(*ptr) & 1)
{
ret = (*(unsigned long*)(*ptr) - 0x80000000L) / 2;
(*ptr) += 4;
}
else
{
ret = (*(unsigned short*)(*ptr) - 0x8000) / 2;
(*ptr) += 2;
}
return ret;
}
static unsigned long fetch_ulong(BYTE** ptr)
{
unsigned long ret;
if (*(*ptr) & 1)
{
ret = *(unsigned long*)(*ptr) / 2;
(*ptr) += 4;
}
else
{
ret = *(unsigned short*)(*ptr) / 2;
(*ptr) += 2;
}
return ret;
}
static short fetch_short(BYTE** ptr)
{
short ret;
if (*(*ptr) & 1)
{
ret = (*(unsigned short*)(*ptr) - 0x8000) / 2;
(*ptr) += 2;
}
else
{
ret = (*(unsigned char*)(*ptr) - 0x80) / 2;
(*ptr)++;
}
return ret;
}
static unsigned short fetch_ushort(BYTE** ptr)
{
unsigned short ret;
if (*(*ptr) & 1)
{
ret = *(unsigned short*)(*ptr) / 2;
(*ptr) += 2;
}
else
{
ret = *(unsigned char*)(*ptr) / 2;
(*ptr)++;
}
return ret;
}
/***********************************************************************
*
* HLPFILE_SkipParagraph
*/
static BOOL HLPFILE_SkipParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigned* len)
{
BYTE *tmp;
if (!hlpfile->first_page) {WINE_WARN("no page\n"); return FALSE;};
if (buf + 0x19 > end) {WINE_WARN("header too small\n"); return FALSE;};
tmp = buf + 0x15;
if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
{
fetch_long(&tmp);
*len = fetch_ushort(&tmp);
}
else *len = end-buf-15;
return TRUE;
}
/******************************************************************
* HLPFILE_DecompressGfx
*
* Decompress the data part of a bitmap or a metafile
*/
static BYTE* HLPFILE_DecompressGfx(BYTE* src, unsigned csz, unsigned sz, BYTE packing)
{
BYTE* dst;
BYTE* tmp;
BYTE* tmp2;
unsigned sz77;
WINE_TRACE("Unpacking (%d) from %u bytes to %u bytes\n", packing, csz, sz);
switch (packing)
{
case 0: /* uncompressed */
if (sz != csz)
WINE_WARN("Bogus gfx sizes (uncompressed): %u / %u\n", sz, csz);
dst = src;
break;
case 1: /* RunLen */
tmp = dst = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst) return NULL;
HLPFILE_UncompressRLE(src, src + csz, &tmp, sz);
if (tmp - dst != sz)
WINE_WARN("Bogus gfx sizes (RunLen): %lu/%u\n", (SIZE_T)(tmp - dst), sz);
break;
case 2: /* LZ77 */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
dst = HeapAlloc(GetProcessHeap(), 0, sz77);
if (!dst) return NULL;
HLPFILE_UncompressLZ77(src, src + csz, dst);
if (sz77 != sz)
WINE_WARN("Bogus gfx sizes (LZ77): %u / %u\n", sz77, sz);
break;
case 3: /* LZ77 then RLE */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
tmp = HeapAlloc(GetProcessHeap(), 0, sz77);
if (!tmp) return FALSE;
HLPFILE_UncompressLZ77(src, src + csz, tmp);
dst = tmp2 = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst)
{
HeapFree(GetProcessHeap(), 0, tmp);
return FALSE;
}
HLPFILE_UncompressRLE(tmp, tmp + sz77, &tmp2, sz);
if (tmp2 - dst != sz)
WINE_WARN("Bogus gfx sizes (LZ77+RunLen): %lu / %u\n", (SIZE_T)(tmp2 - dst), sz);
HeapFree(GetProcessHeap(), 0, tmp);
break;
default:
WINE_FIXME("Unsupported packing %u\n", packing);
return NULL;
}
return dst;
}
static BOOL HLPFILE_RtfAddRawString(struct RtfData* rd, const char* str, size_t sz)
{
if (!rd) return TRUE; /* FIXME: TEMP */
if (rd->ptr + sz >= rd->data + rd->allocated)
{
char* new = HeapReAlloc(GetProcessHeap(), 0, rd->data, rd->allocated *= 2);
if (!new) return FALSE;
rd->ptr = new + (rd->ptr - rd->data);
rd->data = new;
}
memcpy(rd->ptr, str, sz);
rd->ptr += sz;
return TRUE;
}
static BOOL HLPFILE_RtfAddControl(struct RtfData* rd, const char* str)
{
if (!rd) return TRUE; /* FIXME: TEMP */
if (*str == '\\' || *str == '{') rd->in_text = FALSE;
else if (*str == '}') rd->in_text = TRUE;
return HLPFILE_RtfAddRawString(rd, str, strlen(str));
}
static BOOL HLPFILE_RtfAddText(struct RtfData* rd, const char* str)
{
const char* p;
const char* last;
const char* replace;
unsigned rlen;
if (!rd) return TRUE; /* FIXME: TEMP */
if (!rd->in_text)
{
if (!HLPFILE_RtfAddRawString(rd, " ", 1)) return FALSE;
rd->in_text = TRUE;
}
for (last = p = str; *p; p++)
{
if (*p < 0) /* escape non ASCII chars */
{
static char xx[8];
rlen = sprintf(xx, "\\'%x", *(const BYTE*)p);
replace = xx;
}
else switch (*p)
{
case '{': rlen = 2; replace = "\\{"; break;
case '}': rlen = 2; replace = "\\}"; break;
case '\\': rlen = 2; replace = "\\\\"; break;
default: continue;
}
if ((p != last && !HLPFILE_RtfAddRawString(rd, last, p - last)) ||
!HLPFILE_RtfAddRawString(rd, replace, rlen)) return FALSE;
last = p + 1;
}
return HLPFILE_RtfAddRawString(rd, last, p - last);
}
/******************************************************************
* HLPFILE_LoadBitmap
*
*
*/
static BOOL HLPFILE_LoadBitmap(BYTE* beg, BYTE type, BYTE pack,
HLPFILE_PARAGRAPH* paragraph)
{
BYTE* ptr;
BYTE* pict_beg;
BITMAPINFO* bi;
unsigned long off, csz;
HDC hdc;
bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
if (!bi) return FALSE;
ptr = beg + 2; /* for type and pack */
bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
bi->bmiHeader.biWidth = fetch_ulong(&ptr);
bi->bmiHeader.biHeight = fetch_ulong(&ptr);
bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
bi->bmiHeader.biClrImportant = fetch_ulong(&ptr);
bi->bmiHeader.biCompression = BI_RGB;
if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
WINE_TRACE("planes=%d bc=%d size=(%d,%d)\n",
bi->bmiHeader.biPlanes, bi->bmiHeader.biBitCount,
bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
csz = fetch_ulong(&ptr);
fetch_ulong(&ptr); /* hotspot size */
off = GET_UINT(ptr, 0); ptr += 4;
/* GET_UINT(ptr, 0); hotspot offset */ ptr += 4;
/* now read palette info */
if (type == 0x06)
{
unsigned nc = bi->bmiHeader.biClrUsed;
unsigned i;
/* not quite right, especially for bitfields type of compression */
if (!nc && bi->bmiHeader.biBitCount <= 8)
nc = 1 << bi->bmiHeader.biBitCount;
bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
if (!bi) return FALSE;
for (i = 0; i < nc; i++)
{
bi->bmiColors[i].rgbBlue = ptr[0];
bi->bmiColors[i].rgbGreen = ptr[1];
bi->bmiColors[i].rgbRed = ptr[2];
bi->bmiColors[i].rgbReserved = 0;
ptr += 4;
}
}
pict_beg = HLPFILE_DecompressGfx(beg + off, csz, bi->bmiHeader.biSizeImage, pack);
paragraph->u.gfx.u.bmp.hBitmap = CreateDIBitmap(hdc = GetDC(0), &bi->bmiHeader,
CBM_INIT, pict_beg,
bi, DIB_RGB_COLORS);
ReleaseDC(0, hdc);
if (!paragraph->u.gfx.u.bmp.hBitmap)
WINE_ERR("Couldn't create bitmap\n");
HeapFree(GetProcessHeap(), 0, bi);
if (pict_beg != beg + off) HeapFree(GetProcessHeap(), 0, pict_beg);
return TRUE;
}
/******************************************************************
* HLPFILE_LoadMetaFile
*
*
*/
static BOOL HLPFILE_LoadMetaFile(BYTE* beg, BYTE pack, HLPFILE_PARAGRAPH* paragraph)
{
BYTE* ptr;
unsigned long size, csize;
unsigned long off, hsoff;
BYTE* bits;
LPMETAFILEPICT lpmfp;
WINE_TRACE("Loading metafile\n");
ptr = beg + 2; /* for type and pack */
lpmfp = &paragraph->u.gfx.u.mfp;
lpmfp->mm = fetch_ushort(&ptr); /* mapping mode */
lpmfp->xExt = GET_USHORT(ptr, 0);
lpmfp->yExt = GET_USHORT(ptr, 2);
ptr += 4;
size = fetch_ulong(&ptr); /* decompressed size */
csize = fetch_ulong(&ptr); /* compressed size */
fetch_ulong(&ptr); /* hotspot size */
off = GET_UINT(ptr, 0);
hsoff = GET_UINT(ptr, 4);
ptr += 8;
WINE_TRACE("sz=%lu csz=%lu (%d,%d) offs=%lu/%lu,%lu\n",
size, csize, lpmfp->xExt, lpmfp->yExt, off, (SIZE_T)(ptr - beg), hsoff);
bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack);
if (!bits) return FALSE;
paragraph->cookie = para_metafile;
lpmfp->hMF = SetMetaFileBitsEx(size, bits);
if (!lpmfp->hMF)
WINE_FIXME("Couldn't load metafile\n");
if (bits != beg + off) HeapFree(GetProcessHeap(), 0, bits);
return TRUE;
}
/******************************************************************
* HLPFILE_LoadGfxByAddr
*
*
*/
static BOOL HLPFILE_LoadGfxByAddr(HLPFILE *hlpfile, BYTE* ref,
unsigned long size,
HLPFILE_PARAGRAPH* paragraph)
{
unsigned i, numpict;
numpict = GET_USHORT(ref, 2);
WINE_TRACE("Got picture magic=%04x #=%d\n",
GET_USHORT(ref, 0), numpict);
for (i = 0; i < numpict; i++)
{
BYTE* beg;
BYTE* ptr;
BYTE type, pack;
WINE_TRACE("Offset[%d] = %x\n", i, GET_UINT(ref, (1 + i) * 4));
beg = ptr = ref + GET_UINT(ref, (1 + i) * 4);
type = *ptr++;
pack = *ptr++;
switch (type)
{
case 5: /* device dependent bmp */
case 6: /* device independent bmp */
HLPFILE_LoadBitmap(beg, type, pack, paragraph);
break;
case 8:
HLPFILE_LoadMetaFile(beg, pack, paragraph);
break;
default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
}
/* FIXME: hotspots */
/* FIXME: implement support for multiple picture format */
if (numpict != 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
break;
}
return TRUE;
}
/******************************************************************
* HLPFILE_LoadGfxByIndex
*
*
*/
static BOOL HLPFILE_LoadGfxByIndex(HLPFILE *hlpfile, unsigned index,
HLPFILE_PARAGRAPH* paragraph)
{
char tmp[16];
BYTE *ref, *end;
BOOL ret;
WINE_TRACE("Loading picture #%d\n", index);
if (index < hlpfile->numBmps && hlpfile->bmps[index] != NULL)
{
paragraph->u.gfx.u.bmp.hBitmap = hlpfile->bmps[index];
return TRUE;
}
sprintf(tmp, "|bm%u", index);
if (!HLPFILE_FindSubFile(hlpfile, tmp, &ref, &end)) {WINE_WARN("no sub file\n"); return FALSE;}
ref += 9;
ret = HLPFILE_LoadGfxByAddr(hlpfile, ref, end - ref, paragraph);
/* cache bitmap */
if (ret && paragraph->cookie == para_bitmap)
{
if (index >= hlpfile->numBmps)
{
hlpfile->numBmps = index + 1;
if (hlpfile->bmps)
hlpfile->bmps = HeapReAlloc(GetProcessHeap(), 0, hlpfile->bmps,
hlpfile->numBmps * sizeof(hlpfile->bmps[0]));
else
hlpfile->bmps = HeapAlloc(GetProcessHeap(), 0,
hlpfile->numBmps * sizeof(hlpfile->bmps[0]));
}
hlpfile->bmps[index] = paragraph->u.gfx.u.bmp.hBitmap;
}
return ret;
}
/******************************************************************
* HLPFILE_AllocLink
*
*
*/
static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
const char* str, unsigned len, LONG hash,
unsigned clrChange, unsigned wnd)
{
HLPFILE_LINK* link;
char* link_str;
/* FIXME: should build a string table for the attributes.link.lpszPath
* they are reallocated for each link
*/
if (len == -1) len = strlen(str);
link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + len + 1);
if (!link) return NULL;
link->cookie = cookie;
link->string = link_str = (char*)(link + 1);
memcpy(link_str, str, len);
link_str[len] = '\0';
link->hash = hash;
link->bClrChange = clrChange ? 1 : 0;
link->window = wnd;
link->wRefCount = 1;
if (rd) {
link->next = rd->first_link;
rd->first_link = link;
link->cpMin = rd->char_pos;
link->cpMax = 0;
rd->force_color = clrChange;
link->wRefCount++;
if (rd->current_link) WINE_FIXME("Pending link\n");
rd->current_link = link;
}
WINE_TRACE("Link[%d] to %s@%08x:%d\n",
link->cookie, link->string, link->hash, link->window);
return link;
}
/***********************************************************************
*
* HLPFILE_BrowseParagraph
*/
static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE *buf, BYTE* end)
{
HLPFILE_PARAGRAPH *paragraph, **paragraphptr;
UINT textsize;
BYTE *format, *format_end;
char *text, *text_base, *text_end;
long size, blocksize, datalen;
unsigned short bits;
unsigned nc, ncol = 1;
BOOL in_table = FALSE;
char tmp[256];
BOOL ret = FALSE;
for (paragraphptr = &page->first_paragraph; *paragraphptr;
paragraphptr = &(*paragraphptr)->next) /* Nothing */;
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 (size > blocksize - datalen)
{
/* need to decompress */
if (page->file->hasPhrases)
HLPFILE_Uncompress2(page->file, buf + datalen, end, (BYTE*)text, (BYTE*)text + size);
else if (page->file->hasPhrases40)
HLPFILE_Uncompress3(page->file, text, text + size, buf + datalen, end);
else
{
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;
format_end = buf + GET_UINT(buf, 0x10);
if (buf[0x14] == 0x20 || buf[0x14] == 0x23)
{
fetch_long(&format);
fetch_ushort(&format);
}
if (buf[0x14] == 0x23)
{
char type;
in_table = TRUE;
ncol = *format++;
WINE_TRACE("#cols %u\n", ncol);
type = *format++;
if (type == 0 || type == 2)
format += 2;
format += ncol * 4;
}
for (nc = 0; nc < ncol; /**/)
{
WINE_TRACE("looking for format at offset %lu in column %d\n", (SIZE_T)(format - (buf + 0x15)), nc);
if (in_table)
{
nc = GET_SHORT(format, 0);
if (nc == -1) break;
format += 5;
}
else nc++;
format += 4;
bits = GET_USHORT(format, 0); format += 2;
if (bits & 0x0001) fetch_long(&format);
if (bits & 0x0002) fetch_short(&format);
if (bits & 0x0004) fetch_short(&format);
if (bits & 0x0008) fetch_short(&format);
if (bits & 0x0010) fetch_short(&format);
if (bits & 0x0020) fetch_short(&format);
if (bits & 0x0040) fetch_short(&format);
if (bits & 0x0100) format += 3;
if (bits & 0x0200)
{
int ntab = fetch_short(&format);
unsigned short ts;
while (ntab-- > 0)
{
ts = fetch_ushort(&format);
if (ts & 0x4000) fetch_ushort(&format);
}
}
/* 0x0400, 0x0800 and 0x1000 don't need space */
if ((bits & 0xE080) != 0)
WINE_FIXME("Unsupported bits %04x, potential trouble ahead\n", bits);
while (text < text_end && format < format_end)
{
WINE_TRACE("Got text: %s (%p/%p - %p/%p)\n", wine_dbgstr_a(text), text, text_end, format, format_end);
textsize = strlen(text);
if (textsize)
{
paragraph = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_PARAGRAPH) + textsize + 1);
if (!paragraph) return FALSE;
*paragraphptr = paragraph;
paragraphptr = &paragraph->next;
paragraph->next = NULL;
if (!rd)
{
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
}
else paragraph->link = NULL;
paragraph->cookie = para_normal_text;
paragraph->u.text.wFont = attributes.wFont;
paragraph->u.text.wVSpace = attributes.wVSpace;
paragraph->u.text.wHSpace = attributes.wHSpace;
paragraph->u.text.wIndent = attributes.wIndent;
paragraph->u.text.lpszText = (char*)paragraph + sizeof(HLPFILE_PARAGRAPH);
strcpy(paragraph->u.text.lpszText, text);
attributes.wVSpace = 0;
attributes.wHSpace = 0;
if (rd) /* FIXME: TEMP */ {
if (rd->force_color)
{
if ((rd->current_link->cookie == hlp_link_popup) ?
!HLPFILE_RtfAddControl(rd, "{\\uld\\cf1") :
!HLPFILE_RtfAddControl(rd, "{\\ul\\cf1")) goto done;
}
if (!HLPFILE_RtfAddText(rd, text)) goto done;
if (rd->force_color && !HLPFILE_RtfAddControl(rd, "}")) goto done;
rd->char_pos += textsize;
}
}
/* else: null text, keep on storing attributes */
text += textsize + 1;
if (*format == 0xff)
{
format++;
break;
}
WINE_TRACE("format=%02x\n", *format);
switch (*format)
{
case 0x20:
WINE_FIXME("NIY20\n");
format += 5;
break;
case 0x21:
WINE_FIXME("NIY21\n");
format += 3;
break;
case 0x80:
{
unsigned font = GET_USHORT(format, 1);
unsigned fs;
attributes.wFont = font;
WINE_TRACE("Changing font to %d\n", attributes.wFont);
format += 3;
fs = (4 * page->file->fonts[font].LogFont.lfHeight - 3) / 5;
/* FIXME: missing at least colors, also bold attribute looses information */
sprintf(tmp, "\\f%d\\cf%d\\fs%d%s%s%s%s",
font, font + 2, fs,
page->file->fonts[font].LogFont.lfWeight > 400 ? "\\b" : "\\b0",
page->file->fonts[font].LogFont.lfItalic ? "\\i" : "\\i0",
page->file->fonts[font].LogFont.lfUnderline ? "\\ul" : "\\ul0",
page->file->fonts[font].LogFont.lfStrikeOut ? "\\strike" : "\\strike0");
if (!HLPFILE_RtfAddControl(rd, tmp)) goto done;
}
break;
case 0x81:
if (!HLPFILE_RtfAddControl(rd, "\\line")) goto done;
attributes.wVSpace++;
format += 1;
if (rd) /* FIXME: TEMP */ rd->char_pos++;
break;
case 0x82:
if (!HLPFILE_RtfAddControl(rd, "\\par\\pard")) goto done;
attributes.wVSpace++;
attributes.wIndent = 0;
format += 1;
if (rd) /* FIXME: TEMP */ rd->char_pos++;
break;
case 0x83:
if (!HLPFILE_RtfAddControl(rd, "\\tab")) goto done;
attributes.wIndent++;
format += 1;
if (rd) /* FIXME: TEMP */ rd->char_pos++;
break;
#if 0
case 0x84:
format += 3;
break;
#endif
case 0x86:
case 0x87:
case 0x88:
{
BYTE pos = (*format - 0x86);
BYTE type = format[1];
long size;
format += 2;
size = fetch_long(&format);
paragraph = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_PARAGRAPH) + textsize);
if (!paragraph) return FALSE;
*paragraphptr = paragraph;
paragraphptr = &paragraph->next;
paragraph->next = NULL;
if (!rd){
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
}
else paragraph->link = NULL;
paragraph->cookie = para_bitmap;
paragraph->u.gfx.pos = pos;
switch (type)
{
case 0x22:
fetch_ushort(&format); /* hot spot */
/* fall thru */
case 0x03:
switch (GET_SHORT(format, 0))
{
case 0:
HLPFILE_LoadGfxByIndex(page->file, GET_SHORT(format, 2),
paragraph);
break;
case 1:
WINE_FIXME("does it work ??? %x<%lu>#%u\n",
GET_SHORT(format, 0),
size, GET_SHORT(format, 2));
HLPFILE_LoadGfxByAddr(page->file, format + 2, size - 4,
paragraph);
break;
default:
WINE_FIXME("??? %u\n", GET_SHORT(format, 0));
break;
}
break;
case 0x05:
WINE_FIXME("Got an embedded element %s\n", format + 6);
break;
default:
WINE_FIXME("Got a type %d picture\n", type);
break;
}
if (attributes.wVSpace) paragraph->u.gfx.pos |= 0x8000;
format += size;
}
break;
case 0x89:
HLPFILE_FreeLink(attributes.link);
attributes.link = NULL;
format += 1;
if (rd) {
if (!rd->current_link)
WINE_FIXME("No existing link\n");
else
rd->current_link->cpMax = rd->char_pos;
rd->current_link = NULL;
rd->force_color = FALSE;
}
break;
case 0x8B:
if (!HLPFILE_RtfAddControl(rd, "\\~")) goto done;
format += 1;
if (rd) /* FIXME: TEMP */ rd->char_pos++;
break;
case 0x8C:
if (!HLPFILE_RtfAddControl(rd, "\\_")) goto done;
/* FIXME: it could be that hypen is also in input stream !! */
format += 1;
if (rd) /* FIXME: TEMP */ rd->char_pos++;
break;
#if 0
case 0xA9:
format += 2;
break;
#endif
case 0xC8:
case 0xCC:
WINE_TRACE("macro => %s\n", format + 3);
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
GET_USHORT(format, 1), 0, !(*format & 4), -1);
format += 3 + GET_USHORT(format, 1);
break;
case 0xE0:
case 0xE1:
WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1,
GET_UINT(format, 1)-16,
1, -1);
format += 5;
break;
case 0xE2:
case 0xE3:
case 0xE6:
case 0xE7:
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1,
GET_UINT(format, 1),
!(*format & 4), -1);
format += 5;
break;
case 0xEA:
case 0xEB:
case 0xEE:
case 0xEF:
{
char* ptr = (char*) format + 8;
BYTE type = format[3];
int wnd = -1;
switch (type)
{
case 1:
wnd = *ptr;
/* fall through */
case 0:
ptr = page->file->lpszPath;
break;
case 6:
for (wnd = page->file->numWindows - 1; wnd >= 0; wnd--)
{
if (!strcmp(ptr, page->file->windows[wnd].name)) break;
}
if (wnd == -1)
WINE_WARN("Couldn't find window info for %s\n", ptr);
ptr += strlen(ptr) + 1;
/* fall through */
case 4:
break;
default:
WINE_WARN("Unknown link type %d\n", type);
break;
}
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
ptr, -1, GET_UINT(format, 4),
!(*format & 4), wnd);
}
format += 3 + GET_USHORT(format, 1);
break;
default:
WINE_WARN("format %02x\n", *format);
format++;
}
}
}
ret = TRUE;
done:
HeapFree(GetProcessHeap(), 0, text_base);
return ret;
}
/******************************************************************
* HLPFILE_BrowsePage
*
*/
BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd)
{
HLPFILE *hlpfile = page->file;
BYTE *buf, *end;
DWORD ref = page->reference;
unsigned index, old_index = -1, offset, count = 0, cpg;
char tmp[1024];
const char* ck = NULL;
if (rd) { /* FIXME: TEMP */
rd->in_text = TRUE;
rd->data = rd->ptr = HeapAlloc(GetProcessHeap(), 0, rd->allocated = 32768);
rd->char_pos = 0;
rd->first_link = rd->current_link = NULL;
rd->force_color = FALSE;
}
switch (hlpfile->charset)
{
case DEFAULT_CHARSET:
case ANSI_CHARSET: cpg = 1252; break;
case SHIFTJIS_CHARSET: cpg = 932; break;
case HANGEUL_CHARSET: cpg = 949; break;
case GB2312_CHARSET: cpg = 936; break;
case CHINESEBIG5_CHARSET: cpg = 950; break;
case GREEK_CHARSET: cpg = 1253; break;
case TURKISH_CHARSET: cpg = 1254; break;
case HEBREW_CHARSET: cpg = 1255; break;
case ARABIC_CHARSET: cpg = 1256; break;
case BALTIC_CHARSET: cpg = 1257; break;
case VIETNAMESE_CHARSET: cpg = 1258; break;
case RUSSIAN_CHARSET: cpg = 1251; break;
case EE_CHARSET: cpg = 1250; break;
case THAI_CHARSET: cpg = 874; break;
case JOHAB_CHARSET: cpg = 1361; break;
case MAC_CHARSET: ck = "mac"; break;
default:
WINE_FIXME("Unsupported charset %u\n", hlpfile->charset);
cpg = 1252;
}
if (ck)
{
sprintf(tmp, "{\\rtf1\\%s\\deff0", ck);
if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
}
else
{
sprintf(tmp, "{\\rtf1\\ansi\\ansicpg%d\\deff0", cpg);
if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
}
/* generate font table */
if (!HLPFILE_RtfAddControl(rd, "{\\fonttbl")) return FALSE;
for (index = 0; index < hlpfile->numFonts; index++)
{
const char* family;
switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
{
case FF_MODERN: family = "modern"; break;
case FF_ROMAN: family = "roman"; break;
case FF_SWISS: family = "swiss"; break;
case FF_SCRIPT: family = "script"; break;
case FF_DECORATIVE: family = "decor"; break;
default: family = "nil"; break;
}
sprintf(tmp, "{\\f%d\\f%s\\fprq%d\\fcharset%d %s;}",
index, family,
hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0x0F,
hlpfile->fonts[index].LogFont.lfCharSet,
hlpfile->fonts[index].LogFont.lfFaceName);
if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
}
if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
/* generate color table */
if (!HLPFILE_RtfAddControl(rd, "{\\colortbl ;\\red0\\green128\\blue0;")) return FALSE;
for (index = 0; index < hlpfile->numFonts; index++)
{
const char* family;
switch (hlpfile->fonts[index].LogFont.lfPitchAndFamily & 0xF0)
{
case FF_MODERN: family = "modern"; break;
case FF_ROMAN: family = "roman"; break;
case FF_SWISS: family = "swiss"; break;
case FF_SCRIPT: family = "script"; break;
case FF_DECORATIVE: family = "decor"; break;
default: family = "nil"; break;
}
sprintf(tmp, "\\red%d\\green%d\\blue%d;",
GetRValue(hlpfile->fonts[index].color),
GetGValue(hlpfile->fonts[index].color),
GetBValue(hlpfile->fonts[index].color));
if (!HLPFILE_RtfAddControl(rd, tmp)) return FALSE;
}
if (!HLPFILE_RtfAddControl(rd, "}")) return FALSE;
do
{
if (hlpfile->version <= 16)
{
index = (ref - 0x0C) / hlpfile->dsize;
offset = (ref - 0x0C) % hlpfile->dsize;
}
else
{
index = (ref - 0x0C) >> 14;
offset = (ref - 0x0C) & 0x3FFF;
}
if (hlpfile->version <= 16 && index != old_index && index != 0)
{
/* we jumped to the next block, adjust pointers */
ref -= 12;
offset -= 12;
}
if (index >= hlpfile->topic_maplen) {WINE_WARN("maplen\n"); break;}
buf = hlpfile->topic_map[index] + offset;
if (buf + 0x15 >= hlpfile->topic_end) {WINE_WARN("extra\n"); break;}
end = min(buf + GET_UINT(buf, 0), hlpfile->topic_end);
if (index != old_index) {old_index = index;}
switch (buf[0x14])
{
case 0x02:
if (count++) goto done;
break;
case 0x01:
case 0x20:
case 0x23:
if (!HLPFILE_BrowseParagraph(page, rd, buf, end)) return FALSE;
break;
default:
WINE_ERR("buf[0x14] = %x\n", buf[0x14]);
}
if (hlpfile->version <= 16)
{
ref += GET_UINT(buf, 0xc);
if (GET_UINT(buf, 0xc) == 0)
break;
}
else
ref = GET_UINT(buf, 0xc);
} while (ref != 0xffffffff);
done:
if (rd)
page->first_link = rd->first_link;
return HLPFILE_RtfAddControl(rd, "}");
}
/******************************************************************
* HLPFILE_ReadFont
*
*
*/
static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
{
BYTE *ref, *end;
unsigned i, len, idx;
unsigned face_num, dscr_num, face_offset, dscr_offset;
BYTE flag, family;
if (!HLPFILE_FindSubFile(hlpfile, "|FONT", &ref, &end))
{
WINE_WARN("no subfile FONT\n");
hlpfile->numFonts = 0;
hlpfile->fonts = NULL;
return FALSE;
}
ref += 9;
face_num = GET_USHORT(ref, 0);
dscr_num = GET_USHORT(ref, 2);
face_offset = GET_USHORT(ref, 4);
dscr_offset = GET_USHORT(ref, 6);
WINE_TRACE("Got NumFacenames=%u@%u NumDesc=%u@%u\n",
face_num, face_offset, dscr_num, dscr_offset);
hlpfile->numFonts = dscr_num;
hlpfile->fonts = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_FONT) * dscr_num);
len = (dscr_offset - face_offset) / face_num;
/* EPP for (i = face_offset; i < dscr_offset; i += len) */
/* EPP WINE_FIXME("[%d]: %*s\n", i / len, len, ref + i); */
for (i = 0; i < dscr_num; i++)
{
flag = ref[dscr_offset + i * 11 + 0];
family = ref[dscr_offset + i * 11 + 2];
hlpfile->fonts[i].LogFont.lfHeight = ref[dscr_offset + i * 11 + 1];
hlpfile->fonts[i].LogFont.lfWidth = 0;
hlpfile->fonts[i].LogFont.lfEscapement = 0;
hlpfile->fonts[i].LogFont.lfOrientation = 0;
hlpfile->fonts[i].LogFont.lfWeight = (flag & 1) ? 700 : 400;
hlpfile->fonts[i].LogFont.lfItalic = (flag & 2) ? TRUE : FALSE;
hlpfile->fonts[i].LogFont.lfUnderline = (flag & 4) ? TRUE : FALSE;
hlpfile->fonts[i].LogFont.lfStrikeOut = (flag & 8) ? TRUE : FALSE;
hlpfile->fonts[i].LogFont.lfCharSet = hlpfile->charset;
hlpfile->fonts[i].LogFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
hlpfile->fonts[i].LogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
hlpfile->fonts[i].LogFont.lfQuality = DEFAULT_QUALITY;
hlpfile->fonts[i].LogFont.lfPitchAndFamily = DEFAULT_PITCH;
switch (family)
{
case 0x01: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_MODERN; break;
case 0x02: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_ROMAN; break;
case 0x03: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SWISS; break;
case 0x04: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_SCRIPT; break;
case 0x05: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_DECORATIVE; break;
default: WINE_FIXME("Unknown family %u\n", family);
}
idx = GET_USHORT(ref, dscr_offset + i * 11 + 3);
if (idx < face_num)
{
memcpy(hlpfile->fonts[i].LogFont.lfFaceName, ref + face_offset + idx * len, min(len, LF_FACESIZE - 1));
hlpfile->fonts[i].LogFont.lfFaceName[min(len, LF_FACESIZE - 1)] = '\0';
}
else
{
WINE_FIXME("Too high face ref (%u/%u)\n", idx, face_num);
strcpy(hlpfile->fonts[i].LogFont.lfFaceName, "Helv");
}
hlpfile->fonts[i].hFont = 0;
hlpfile->fonts[i].color = RGB(ref[dscr_offset + i * 11 + 5],
ref[dscr_offset + i * 11 + 6],
ref[dscr_offset + i * 11 + 7]);
#define X(b,s) ((flag & (1 << b)) ? "-"s: "")
WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
i, flag,
X(0, "bold"),
X(1, "italic"),
X(2, "underline"),
X(3, "strikeOut"),
X(4, "dblUnderline"),
X(5, "smallCaps"),
ref[dscr_offset + i * 11 + 1],
family,
hlpfile->fonts[i].LogFont.lfFaceName, idx,
GET_UINT(ref, dscr_offset + i * 11 + 5) & 0x00FFFFFF);
}
return TRUE;
}
/***********************************************************************
*
* HLPFILE_ReadFileToBuffer
*/
static BOOL HLPFILE_ReadFileToBuffer(HLPFILE* hlpfile, HFILE hFile)
{
BYTE header[16], dummy[1];
if (_hread(hFile, header, 16) != 16) {WINE_WARN("header\n"); return FALSE;};
/* sanity checks */
if (GET_UINT(header, 0) != 0x00035F3F)
{WINE_WARN("wrong header\n"); return FALSE;};
hlpfile->file_buffer_size = GET_UINT(header, 12);
hlpfile->file_buffer = HeapAlloc(GetProcessHeap(), 0, hlpfile->file_buffer_size + 1);
if (!hlpfile->file_buffer) return FALSE;
memcpy(hlpfile->file_buffer, header, 16);
if (_hread(hFile, hlpfile->file_buffer + 16, hlpfile->file_buffer_size - 16) !=hlpfile->file_buffer_size - 16)
{WINE_WARN("filesize1\n"); return FALSE;};
if (_hread(hFile, dummy, 1) != 0) WINE_WARN("filesize2\n");
hlpfile->file_buffer[hlpfile->file_buffer_size] = '\0'; /* FIXME: was '0', sounds backwards to me */
return TRUE;
}
/**************************************************************************
* comp_FindSubFile
*
* HLPFILE_BPTreeCompare function for HLPFILE directory.
*
*/
static int comp_FindSubFile(void *p, const void *key,
int leaf, void** next)
{
*next = (char *)p+strlen(p)+(leaf?5:3);
WINE_TRACE("Comparing '%s' with '%s'\n", (char *)p, (char *)key);
return strcmp(p, key);
}
/***********************************************************************
*
* HLPFILE_FindSubFile
*/
static BOOL HLPFILE_FindSubFile(HLPFILE* hlpfile, LPCSTR name, BYTE **subbuf, BYTE **subend)
{
BYTE *ptr;
WINE_TRACE("looking for file '%s'\n", name);
ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
name, comp_FindSubFile);
if (!ptr) return FALSE;
*subbuf = hlpfile->file_buffer + GET_UINT(ptr, strlen(name)+1);
if (*subbuf >= hlpfile->file_buffer + hlpfile->file_buffer_size)
{
WINE_ERR("internal file %s does not fit\n", name);
return FALSE;
}
*subend = *subbuf + GET_UINT(*subbuf, 0);
if (*subend > hlpfile->file_buffer + hlpfile->file_buffer_size)
{
WINE_ERR("internal file %s does not fit\n", name);
return FALSE;
}
if (GET_UINT(*subbuf, 0) < GET_UINT(*subbuf, 4) + 9)
{
WINE_ERR("invalid size provided for internal file %s\n", name);
return FALSE;
}
return TRUE;
}
/***********************************************************************
*
* HLPFILE_SystemCommands
*/
static BOOL HLPFILE_SystemCommands(HLPFILE* hlpfile)
{
BYTE *buf, *ptr, *end;
HLPFILE_MACRO *macro, **m;
LPSTR p;
unsigned short magic, minor, major, flags;
hlpfile->lpszTitle = NULL;
if (!HLPFILE_FindSubFile(hlpfile, "|SYSTEM", &buf, &end)) return FALSE;
magic = GET_USHORT(buf + 9, 0);
minor = GET_USHORT(buf + 9, 2);
major = GET_USHORT(buf + 9, 4);
/* gen date on 4 bytes */
flags = GET_USHORT(buf + 9, 10);
WINE_TRACE("Got system header: magic=%04x version=%d.%d flags=%04x\n",
magic, major, minor, flags);
if (magic != 0x036C || major != 1)
{WINE_WARN("Wrong system header\n"); return FALSE;}
if (minor <= 16)
{
hlpfile->tbsize = 0x800;
hlpfile->compressed = 0;
}
else if (flags == 0)
{
hlpfile->tbsize = 0x1000;
hlpfile->compressed = 0;
}
else if (flags == 4)
{
hlpfile->tbsize = 0x1000;
hlpfile->compressed = 1;
}
else
{
hlpfile->tbsize = 0x800;
hlpfile->compressed = 1;
}
if (hlpfile->compressed)
hlpfile->dsize = 0x4000;
else
hlpfile->dsize = hlpfile->tbsize - 0x0C;
hlpfile->version = minor;
hlpfile->flags = flags;
hlpfile->charset = DEFAULT_CHARSET;
for (ptr = buf + 0x15; ptr + 4 <= end; ptr += GET_USHORT(ptr, 2) + 4)
{
char *str = (char*) ptr + 4;
switch (GET_USHORT(ptr, 0))
{
case 1:
if (hlpfile->lpszTitle) {WINE_WARN("title\n"); break;}
hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
if (!hlpfile->lpszTitle) return FALSE;
lstrcpy(hlpfile->lpszTitle, str);
WINE_TRACE("Title: %s\n", hlpfile->lpszTitle);
break;
case 2:
if (hlpfile->lpszCopyright) {WINE_WARN("copyright\n"); break;}
hlpfile->lpszCopyright = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
if (!hlpfile->lpszCopyright) return FALSE;
lstrcpy(hlpfile->lpszCopyright, str);
WINE_TRACE("Copyright: %s\n", hlpfile->lpszCopyright);
break;
case 3:
if (GET_USHORT(ptr, 2) != 4) {WINE_WARN("system3\n");break;}
hlpfile->contents_start = GET_UINT(ptr, 4);
WINE_TRACE("Setting contents start at %08lx\n", hlpfile->contents_start);
break;
case 4:
macro = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_MACRO) + lstrlen(str) + 1);
if (!macro) break;
p = (char*)macro + sizeof(HLPFILE_MACRO);
lstrcpy(p, str);
macro->lpszMacro = p;
macro->next = 0;
for (m = &hlpfile->first_macro; *m; m = &(*m)->next);
*m = macro;
break;
case 5:
if (GET_USHORT(ptr, 4 + 4) != 1)
WINE_FIXME("More than one icon, picking up first\n");
/* 0x16 is sizeof(CURSORICONDIR), see user32/user_private.h */
hlpfile->hIcon = CreateIconFromResourceEx(ptr + 4 + 0x16,
GET_USHORT(ptr, 2) - 0x16, TRUE,
0x30000, 0, 0, 0);
break;
case 6:
if (GET_USHORT(ptr, 2) != 90) {WINE_WARN("system6\n");break;}
if (hlpfile->windows)
hlpfile->windows = HeapReAlloc(GetProcessHeap(), 0, hlpfile->windows,
sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
else
hlpfile->windows = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_WINDOWINFO) * ++hlpfile->numWindows);
if (hlpfile->windows)
{
unsigned flags = GET_USHORT(ptr, 4);
HLPFILE_WINDOWINFO* wi = &hlpfile->windows[hlpfile->numWindows - 1];
if (flags & 0x0001) strcpy(wi->type, &str[2]);
else wi->type[0] = '\0';
if (flags & 0x0002) strcpy(wi->name, &str[12]);
else wi->name[0] = '\0';
if (flags & 0x0004) strcpy(wi->caption, &str[21]);
else lstrcpynA(wi->caption, hlpfile->lpszTitle, sizeof(wi->caption));
wi->origin.x = (flags & 0x0008) ? GET_USHORT(ptr, 76) : CW_USEDEFAULT;
wi->origin.y = (flags & 0x0010) ? GET_USHORT(ptr, 78) : CW_USEDEFAULT;
wi->size.cx = (flags & 0x0020) ? GET_USHORT(ptr, 80) : CW_USEDEFAULT;
wi->size.cy = (flags & 0x0040) ? GET_USHORT(ptr, 82) : CW_USEDEFAULT;
wi->style = (flags & 0x0080) ? GET_USHORT(ptr, 84) : SW_SHOW;
wi->win_style = WS_OVERLAPPEDWINDOW;
wi->sr_color = (flags & 0x0100) ? GET_UINT(ptr, 86) : 0xFFFFFF;
wi->nsr_color = (flags & 0x0200) ? GET_UINT(ptr, 90) : 0xFFFFFF;
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",
flags & 0x0001 ? 'T' : 't',
flags & 0x0002 ? 'N' : 'n',
flags & 0x0004 ? 'C' : 'c',
flags & 0x0008 ? 'X' : 'x',
flags & 0x0010 ? 'Y' : 'y',
flags & 0x0020 ? 'W' : 'w',
flags & 0x0040 ? 'H' : 'h',
flags & 0x0080 ? 'S' : 's',
wi->type, wi->name, wi->caption, wi->origin.x, wi->origin.y,
wi->size.cx, wi->size.cy);
}
break;
case 8:
WINE_WARN("Citation: '%s'\n", ptr + 4);
break;
case 11:
hlpfile->charset = ptr[4];
WINE_TRACE("Charset: %d\n", hlpfile->charset);
break;
default:
WINE_WARN("Unsupported SystemRecord[%d]\n", GET_USHORT(ptr, 0));
}
}
if (!hlpfile->lpszTitle)
hlpfile->lpszTitle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 1);
return TRUE;
}
/***********************************************************************
*
* HLPFILE_UncompressedLZ77_Size
*/
static INT HLPFILE_UncompressedLZ77_Size(BYTE *ptr, BYTE *end)
{
int i, newsize = 0;
while (ptr < end)
{
int mask = *ptr++;
for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
{
if (mask & 1)
{
int code = GET_USHORT(ptr, 0);
int len = 3 + (code >> 12);
newsize += len;
ptr += 2;
}
else newsize++, ptr++;
}
}
return newsize;
}
/***********************************************************************
*
* HLPFILE_UncompressLZ77
*/
static BYTE *HLPFILE_UncompressLZ77(BYTE *ptr, BYTE *end, BYTE *newptr)
{
int i;
while (ptr < end)
{
int mask = *ptr++;
for (i = 0; i < 8 && ptr < end; i++, mask >>= 1)
{
if (mask & 1)
{
int code = GET_USHORT(ptr, 0);
int len = 3 + (code >> 12);
int offset = code & 0xfff;
/*
* We must copy byte-by-byte here. We cannot use memcpy nor
* memmove here. Just example:
* a[]={1,2,3,4,5,6,7,8,9,10}
* newptr=a+2;
* offset=1;
* We expect:
* {1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 11, 12}
*/
for (; len>0; len--, newptr++) *newptr = *(newptr-offset-1);
ptr += 2;
}
else *newptr++ = *ptr++;
}
}
return newptr;
}
/***********************************************************************
*
* HLPFILE_UncompressLZ77_Phrases
*/
static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE* hlpfile)
{
UINT i, num, dec_size, head_size;
BYTE *buf, *end;
if (!HLPFILE_FindSubFile(hlpfile, "|Phrases", &buf, &end)) return FALSE;
if (hlpfile->version <= 16)
head_size = 13;
else
head_size = 17;
num = hlpfile->num_phrases = GET_USHORT(buf, 9);
if (buf + 2 * num + 0x13 >= end) {WINE_WARN("1a\n"); return FALSE;};
if (hlpfile->version <= 16)
dec_size = end - buf - 15 - 2 * num;
else
dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
{
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
return FALSE;
}
for (i = 0; i <= num; i++)
hlpfile->phrases_offsets[i] = GET_USHORT(buf, 0x11 + 2 * i) - 2 * num - 2;
if (hlpfile->version <= 16)
memcpy(hlpfile->phrases_buffer, buf + 15 + 2*num, dec_size);
else
HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)hlpfile->phrases_buffer);
hlpfile->hasPhrases = TRUE;
return TRUE;
}
/***********************************************************************
*
* HLPFILE_Uncompress_Phrases40
*/
static BOOL HLPFILE_Uncompress_Phrases40(HLPFILE* hlpfile)
{
UINT num;
INT dec_size, cpr_size;
BYTE *buf_idx, *end_idx;
BYTE *buf_phs, *end_phs;
long* ptr, mask = 0;
unsigned int i;
unsigned short bc, n;
if (!HLPFILE_FindSubFile(hlpfile, "|PhrIndex", &buf_idx, &end_idx) ||
!HLPFILE_FindSubFile(hlpfile, "|PhrImage", &buf_phs, &end_phs)) return FALSE;
ptr = (long*)(buf_idx + 9 + 28);
bc = GET_USHORT(buf_idx, 9 + 24) & 0x0F;
num = hlpfile->num_phrases = GET_USHORT(buf_idx, 9 + 4);
WINE_TRACE("Index: Magic=%08x #entries=%u CpsdSize=%u PhrImgSize=%u\n"
"\tPhrImgCprsdSize=%u 0=%u bc=%x ukn=%x\n",
GET_UINT(buf_idx, 9 + 0),
GET_UINT(buf_idx, 9 + 4),
GET_UINT(buf_idx, 9 + 8),
GET_UINT(buf_idx, 9 + 12),
GET_UINT(buf_idx, 9 + 16),
GET_UINT(buf_idx, 9 + 20),
GET_USHORT(buf_idx, 9 + 24),
GET_USHORT(buf_idx, 9 + 26));
dec_size = GET_UINT(buf_idx, 9 + 12);
cpr_size = GET_UINT(buf_idx, 9 + 16);
if (dec_size != cpr_size &&
dec_size != HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs))
{
WINE_WARN("size mismatch %u %u\n",
dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
dec_size = max(dec_size, HLPFILE_UncompressedLZ77_Size(buf_phs + 9, end_phs));
}
hlpfile->phrases_offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
hlpfile->phrases_buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
if (!hlpfile->phrases_offsets || !hlpfile->phrases_buffer)
{
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
return FALSE;
}
#define getbit() (ptr += (mask < 0), mask = mask*2 + (mask<=0), (*ptr & mask) != 0)
hlpfile->phrases_offsets[0] = 0;
for (i = 0; i < num; i++)
{
for (n = 1; getbit(); n += 1 << bc);
if (getbit()) n++;
if (bc > 1 && getbit()) n += 2;
if (bc > 2 && getbit()) n += 4;
if (bc > 3 && getbit()) n += 8;
if (bc > 4 && getbit()) n += 16;
hlpfile->phrases_offsets[i + 1] = hlpfile->phrases_offsets[i] + n;
}
#undef getbit
if (dec_size == cpr_size)
memcpy(hlpfile->phrases_buffer, buf_phs + 9, dec_size);
else
HLPFILE_UncompressLZ77(buf_phs + 9, end_phs, (BYTE*)hlpfile->phrases_buffer);
hlpfile->hasPhrases40 = TRUE;
return TRUE;
}
/***********************************************************************
*
* HLPFILE_Uncompress_Topic
*/
static BOOL HLPFILE_Uncompress_Topic(HLPFILE* hlpfile)
{
BYTE *buf, *ptr, *end, *newptr;
unsigned int i, newsize = 0;
unsigned int topic_size;
if (!HLPFILE_FindSubFile(hlpfile, "|TOPIC", &buf, &end))
{WINE_WARN("topic0\n"); return FALSE;}
buf += 9; /* Skip file header */
topic_size = end - buf;
if (hlpfile->compressed)
{
hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
for (i = 0; i < hlpfile->topic_maplen; i++)
{
ptr = buf + i * hlpfile->tbsize;
/* I don't know why, it's necessary for printman.hlp */
if (ptr + 0x44 > end) ptr = end - 0x44;
newsize += HLPFILE_UncompressedLZ77_Size(ptr + 0xc, min(end, ptr + hlpfile->tbsize));
}
hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
hlpfile->topic_maplen * sizeof(hlpfile->topic_map[0]) + newsize);
if (!hlpfile->topic_map) return FALSE;
newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
hlpfile->topic_end = newptr + newsize;
for (i = 0; i < hlpfile->topic_maplen; i++)
{
ptr = buf + i * hlpfile->tbsize;
if (ptr + 0x44 > end) ptr = end - 0x44;
hlpfile->topic_map[i] = newptr;
newptr = HLPFILE_UncompressLZ77(ptr + 0xc, min(end, ptr + hlpfile->tbsize), newptr);
}
}
else
{
/* basically, we need to copy the TopicBlockSize byte pages
* (removing the first 0x0C) in one single area in memory
*/
hlpfile->topic_maplen = (topic_size - 1) / hlpfile->tbsize + 1;
hlpfile->topic_map = HeapAlloc(GetProcessHeap(), 0,
hlpfile->topic_maplen * (sizeof(hlpfile->topic_map[0]) + hlpfile->dsize));
if (!hlpfile->topic_map) return FALSE;
newptr = (BYTE*)(hlpfile->topic_map + hlpfile->topic_maplen);
hlpfile->topic_end = newptr + topic_size;
for (i = 0; i < hlpfile->topic_maplen; i++)
{
hlpfile->topic_map[i] = newptr + i * hlpfile->dsize;
memcpy(hlpfile->topic_map[i], buf + i * hlpfile->tbsize + 0x0C, hlpfile->dsize);
}
}
return TRUE;
}
/***********************************************************************
*
* HLPFILE_Uncompress2
*/
static void HLPFILE_Uncompress2(HLPFILE* hlpfile, const BYTE *ptr, const BYTE *end, BYTE *newptr, const BYTE *newend)
{
BYTE *phptr, *phend;
UINT code;
UINT index;
while (ptr < end && newptr < newend)
{
if (!*ptr || *ptr >= 0x10)
*newptr++ = *ptr++;
else
{
code = 0x100 * ptr[0] + ptr[1];
index = (code - 0x100) / 2;
phptr = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index];
phend = (BYTE*)hlpfile->phrases_buffer + hlpfile->phrases_offsets[index + 1];
if (newptr + (phend - phptr) > newend)
{
WINE_FIXME("buffer overflow %p > %p for %lu bytes\n",
newptr, newend, (SIZE_T)(phend - phptr));
return;
}
memcpy(newptr, phptr, phend - phptr);
newptr += phend - phptr;
if (code & 1) *newptr++ = ' ';
ptr += 2;
}
}
if (newptr > newend) WINE_FIXME("buffer overflow %p > %p\n", newptr, newend);
}
/******************************************************************
* HLPFILE_Uncompress3
*
*
*/
static BOOL HLPFILE_Uncompress3(HLPFILE* hlpfile, char* dst, const char* dst_end,
const BYTE* src, const BYTE* src_end)
{
unsigned int idx, len;
for (; src < src_end; src++)
{
if ((*src & 1) == 0)
{
idx = *src / 2;
if (idx > hlpfile->num_phrases)
{
WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
len = 0;
}
else
{
len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
if (dst + len <= dst_end)
memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
}
}
else if ((*src & 0x03) == 0x01)
{
idx = (*src + 1) * 64;
idx += *++src;
if (idx > hlpfile->num_phrases)
{
WINE_ERR("index in phrases %d/%d\n", idx, hlpfile->num_phrases);
len = 0;
}
else
{
len = hlpfile->phrases_offsets[idx + 1] - hlpfile->phrases_offsets[idx];
if (dst + len <= dst_end)
memcpy(dst, &hlpfile->phrases_buffer[hlpfile->phrases_offsets[idx]], len);
}
}
else if ((*src & 0x07) == 0x03)
{
len = (*src / 8) + 1;
if (dst + len <= dst_end)
memcpy(dst, src + 1, len);
src += len;
}
else
{
len = (*src / 16) + 1;
if (dst + len <= dst_end)
memset(dst, ((*src & 0x0F) == 0x07) ? ' ' : 0, len);
}
dst += len;
}
if (dst > dst_end) WINE_ERR("buffer overflow (%p > %p)\n", dst, dst_end);
return TRUE;
}
/******************************************************************
* HLPFILE_UncompressRLE
*
*
*/
static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE** dst, unsigned dstsz)
{
BYTE ch;
BYTE* sdst = *dst + dstsz;
while (src < end)
{
ch = *src++;
if (ch & 0x80)
{
ch &= 0x7F;
if ((*dst) + ch <= sdst)
memcpy(*dst, src, ch);
src += ch;
}
else
{
if ((*dst) + ch <= sdst)
memset(*dst, (char)*src, ch);
src++;
}
*dst += ch;
}
if (*dst != sdst)
WINE_WARN("Buffer X-flow: d(%lu) instead of d(%u)\n",
(SIZE_T)(*dst - (sdst - dstsz)), dstsz);
}
/**************************************************************************
* HLPFILE_BPTreeSearch
*
* Searches for an element in B+ tree
*
* PARAMS
* buf [I] pointer to the embedded file structured as a B+ tree
* key [I] pointer to data to find
* comp [I] compare function
*
* RETURNS
* Pointer to block identified by key, or NULL if failure.
*
*/
void* HLPFILE_BPTreeSearch(BYTE* buf, const void* key,
HLPFILE_BPTreeCompare comp)
{
unsigned magic;
unsigned page_size;
unsigned cur_page;
unsigned level;
BYTE *pages, *ptr, *newptr;
int i, entries;
int ret;
magic = GET_USHORT(buf, 9);
if (magic != 0x293B)
{
WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
return NULL;
}
page_size = GET_USHORT(buf, 9+4);
cur_page = GET_USHORT(buf, 9+26);
level = GET_USHORT(buf, 9+32);
pages = buf + 9 + 38;
while (--level > 0)
{
ptr = pages + cur_page*page_size;
entries = GET_SHORT(ptr, 2);
ptr += 6;
for (i = 0; i < entries; i++)
{
if (comp(ptr, key, 0, (void **)&newptr) > 0) break;
ptr = newptr;
}
cur_page = GET_USHORT(ptr-2, 0);
}
ptr = pages + cur_page*page_size;
entries = GET_SHORT(ptr, 2);
ptr += 8;
for (i = 0; i < entries; i++)
{
ret = comp(ptr, key, 1, (void **)&newptr);
if (ret == 0) return ptr;
if (ret > 0) return NULL;
ptr = newptr;
}
return NULL;
}
/**************************************************************************
* HLPFILE_BPTreeEnum
*
* Enumerates elements in B+ tree.
*
* PARAMS
* buf [I] pointer to the embedded file structured as a B+ tree
* cb [I] compare function
* cookie [IO] cookie for cb function
*/
void HLPFILE_BPTreeEnum(BYTE* buf, HLPFILE_BPTreeCallback cb, void* cookie)
{
unsigned magic;
unsigned page_size;
unsigned cur_page;
unsigned level;
BYTE *pages, *ptr, *newptr;
int i, entries;
magic = GET_USHORT(buf, 9);
if (magic != 0x293B)
{
WINE_ERR("Invalid magic in B+ tree: 0x%x\n", magic);
return;
}
page_size = GET_USHORT(buf, 9+4);
cur_page = GET_USHORT(buf, 9+26);
level = GET_USHORT(buf, 9+32);
pages = buf + 9 + 38;
while (--level > 0)
{
ptr = pages + cur_page*page_size;
cur_page = GET_USHORT(ptr, 4);
}
while (cur_page != 0xFFFF)
{
ptr = pages + cur_page*page_size;
entries = GET_SHORT(ptr, 2);
ptr += 8;
for (i = 0; i < entries; i++)
{
cb(ptr, (void **)&newptr, cookie);
ptr = newptr;
}
cur_page = GET_USHORT(pages+cur_page*page_size, 6);
}
}
/***********************************************************************
*
* HLPFILE_GetContext
*/
static BOOL HLPFILE_GetContext(HLPFILE *hlpfile)
{
BYTE *cbuf, *cend;
unsigned clen;
if (!HLPFILE_FindSubFile(hlpfile, "|CONTEXT", &cbuf, &cend))
{WINE_WARN("context0\n"); return FALSE;}
clen = cend - cbuf;
hlpfile->Context = HeapAlloc(GetProcessHeap(), 0, clen);
if (!hlpfile->Context) return FALSE;
memcpy(hlpfile->Context, cbuf, clen);
return TRUE;
}
/***********************************************************************
*
* HLPFILE_GetKeywords
*/
static BOOL HLPFILE_GetKeywords(HLPFILE *hlpfile)
{
BYTE *cbuf, *cend;
unsigned clen;
if (!HLPFILE_FindSubFile(hlpfile, "|KWBTREE", &cbuf, &cend)) return FALSE;
clen = cend - cbuf;
hlpfile->kwbtree = HeapAlloc(GetProcessHeap(), 0, clen);
if (!hlpfile->kwbtree) return FALSE;
memcpy(hlpfile->kwbtree, cbuf, clen);
if (!HLPFILE_FindSubFile(hlpfile, "|KWDATA", &cbuf, &cend))
{
WINE_ERR("corrupted help file: kwbtree present but kwdata absent\n");
HeapFree(GetProcessHeap(), 0, hlpfile->kwbtree);
return FALSE;
}
clen = cend - cbuf;
hlpfile->kwdata = HeapAlloc(GetProcessHeap(), 0, clen);
if (!hlpfile->kwdata)
{
HeapFree(GetProcessHeap(), 0, hlpfile->kwdata);
return FALSE;
}
memcpy(hlpfile->kwdata, cbuf, clen);
return TRUE;
}
/***********************************************************************
*
* HLPFILE_GetMap
*/
static BOOL HLPFILE_GetMap(HLPFILE *hlpfile)
{
BYTE *cbuf, *cend;
unsigned entries, i;
if (!HLPFILE_FindSubFile(hlpfile, "|CTXOMAP", &cbuf, &cend))
{WINE_WARN("no map section\n"); return FALSE;}
entries = GET_USHORT(cbuf, 9);
hlpfile->Map = HeapAlloc(GetProcessHeap(), 0, entries * sizeof(HLPFILE_MAP));
if (!hlpfile->Map) return FALSE;
hlpfile->wMapLen = entries;
for (i = 0; i < entries; i++)
{
hlpfile->Map[i].lMap = GET_UINT(cbuf+11,i*8);
hlpfile->Map[i].offset = GET_UINT(cbuf+11,i*8+4);
}
return TRUE;
}
/******************************************************************
* HLPFILE_DeleteLink
*
*
*/
void HLPFILE_FreeLink(HLPFILE_LINK* link)
{
if (link && !--link->wRefCount)
{
HeapFree(GetProcessHeap(), 0, link);
}
}
/***********************************************************************
*
* HLPFILE_DeleteParagraph
*/
static void HLPFILE_DeleteParagraph(HLPFILE_PARAGRAPH* paragraph)
{
HLPFILE_PARAGRAPH* next;
while (paragraph)
{
next = paragraph->next;
if (paragraph->cookie == para_metafile)
DeleteMetaFile(paragraph->u.gfx.u.mfp.hMF);
HLPFILE_FreeLink(paragraph->link);
HeapFree(GetProcessHeap(), 0, paragraph);
paragraph = next;
}
}
/***********************************************************************
*
* DeleteMacro
*/
static void HLPFILE_DeleteMacro(HLPFILE_MACRO* macro)
{
HLPFILE_MACRO* next;
while (macro)
{
next = macro->next;
HeapFree(GetProcessHeap(), 0, macro);
macro = next;
}
}
/***********************************************************************
*
* DeletePage
*/
static void HLPFILE_DeletePage(HLPFILE_PAGE* page)
{
HLPFILE_PAGE* next;
while (page)
{
next = page->next;
HLPFILE_DeleteParagraph(page->first_paragraph);
HLPFILE_DeleteMacro(page->first_macro);
HeapFree(GetProcessHeap(), 0, page);
page = next;
}
}
/***********************************************************************
*
* HLPFILE_FreeHlpFile
*/
void HLPFILE_FreeHlpFile(HLPFILE* hlpfile)
{
unsigned i;
if (!hlpfile || --hlpfile->wRefCount > 0) return;
if (hlpfile->next) hlpfile->next->prev = hlpfile->prev;
if (hlpfile->prev) hlpfile->prev->next = hlpfile->next;
else first_hlpfile = hlpfile->next;
if (hlpfile->numFonts)
{
for (i = 0; i < hlpfile->numFonts; i++)
{
DeleteObject(hlpfile->fonts[i].hFont);
}
HeapFree(GetProcessHeap(), 0, hlpfile->fonts);
}
if (hlpfile->numBmps)
{
for (i = 0; i < hlpfile->numBmps; i++)
{
DeleteObject(hlpfile->bmps[i]);
}
HeapFree(GetProcessHeap(), 0, hlpfile->bmps);
}
HLPFILE_DeletePage(hlpfile->first_page);
HLPFILE_DeleteMacro(hlpfile->first_macro);
DestroyIcon(hlpfile->hIcon);
if (hlpfile->numWindows) HeapFree(GetProcessHeap(), 0, hlpfile->windows);
HeapFree(GetProcessHeap(), 0, hlpfile->Context);
HeapFree(GetProcessHeap(), 0, hlpfile->Map);
HeapFree(GetProcessHeap(), 0, hlpfile->lpszTitle);
HeapFree(GetProcessHeap(), 0, hlpfile->lpszCopyright);
HeapFree(GetProcessHeap(), 0, hlpfile->file_buffer);
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_offsets);
HeapFree(GetProcessHeap(), 0, hlpfile->phrases_buffer);
HeapFree(GetProcessHeap(), 0, hlpfile->topic_map);
HeapFree(GetProcessHeap(), 0, hlpfile);
}
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