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hhctrl.ocx: Added beginning #SYSTEM parsing code.

This commit is contained in:
Jacek Caban 2007-02-23 03:31:13 +01:00 committed by Alexandre Julliard
parent 1711c3a5c4
commit 5ed9be800d
1 changed files with 79 additions and 0 deletions
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79
dlls/hhctrl.ocx/chm.c
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@ -72,6 +72,80 @@ static LPCSTR GetChmString(CHMInfo *chm, DWORD offset)
return chm->strings[offset >> BLOCK_BITS] + (offset & BLOCK_MASK);
}
static BOOL ReadChmSystem(CHMInfo *chm)
{
IStream *stream;
DWORD ver=0xdeadbeef, read, buf_size;
char *buf;
HRESULT hres;
struct {
WORD code;
WORD len;
} entry;
static const WCHAR wszSYSTEM[] = {'#','S','Y','S','T','E','M',0};
hres = IStorage_OpenStream(chm->pStorage, wszSYSTEM, NULL, STGM_READ, 0, &stream);
if(FAILED(hres)) {
WARN("Could not open #SYSTEM stream: %08x\n", hres);
return FALSE;
}
IStream_Read(stream, &ver, sizeof(ver), &read);
TRACE("version is %x\n", ver);
buf = hhctrl_alloc(8*sizeof(DWORD));
buf_size = 8*sizeof(DWORD);
while(1) {
hres = IStream_Read(stream, &entry, sizeof(entry), &read);
if(hres != S_OK)
break;
if(entry.len > buf_size)
buf = hhctrl_realloc(buf, buf_size=entry.len);
hres = IStream_Read(stream, buf, entry.len, &read);
if(hres != S_OK)
break;
switch(entry.code) {
case 0x2:
TRACE("Default topic is %s\n", debugstr_an(buf, entry.len));
break;
case 0x3:
TRACE("Title is %s\n", debugstr_an(buf, entry.len));
break;
case 0x5:
TRACE("Default window is %s\n", debugstr_an(buf, entry.len));
break;
case 0x6:
TRACE("Compiled file is %s\n", debugstr_an(buf, entry.len));
break;
case 0x9:
TRACE("Version is %s\n", debugstr_an(buf, entry.len));
break;
case 0xa:
TRACE("Time is %08x\n", *(DWORD*)buf);
break;
case 0xc:
TRACE("Number of info types: %d\n", *(DWORD*)buf);
break;
case 0xf:
TRACE("Check sum: %x\n", *(DWORD*)buf);
break;
default:
TRACE("unhandled code %x, size %x\n", entry.code, entry.len);
}
}
hhctrl_free(buf);
IStream_Release(stream);
return SUCCEEDED(hres);
}
/* Loads the HH_WINTYPE data from the CHM file
*
* FIXME: There may be more than one window type in the file, so
@ -158,6 +232,11 @@ CHMInfo *OpenCHM(LPCWSTR szFile)
return CloseCHM(ret);
}
if(!ReadChmSystem(ret)) {
WARN("Could not read #SYSTEM\n");
return CloseCHM(ret);
}
return ret;
}