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ole32: Add support for parsing the 'CONTENTS' stream.

This commit is contained in:
Huw Davies 2015-03-25 08:37:36 +00:00 committed by Alexandre Julliard
parent d864387aaa
commit 480c10cce9
1 changed files with 31 additions and 1 deletions
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32
dlls/ole32/datacache.c
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@ -92,6 +92,7 @@ enum stream_type
{
no_stream,
pres_stream,
contents_stream
};
typedef struct DataCacheEntry
@ -1293,6 +1294,26 @@ static HRESULT parse_pres_streams( DataCache *This, IStorage *stg )
return S_OK;
}
static const FORMATETC static_dib_fmt = { CF_DIB, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
static HRESULT parse_contents_stream( DataCache *This, IStorage *stg, IStream *stm )
{
HRESULT hr;
STATSTG stat;
const FORMATETC *fmt;
hr = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
if (FAILED( hr )) return hr;
if (IsEqualCLSID( &stat.clsid, &CLSID_Picture_Dib ))
fmt = &static_dib_fmt;
else
return E_FAIL;
return add_cache_entry( This, fmt, stm, contents_stream );
}
static const WCHAR CONTENTS[] = {'C','O','N','T','E','N','T','S',0};
/************************************************************************
* DataCache_Load (IPersistStorage)
@ -1306,12 +1327,21 @@ static HRESULT WINAPI DataCache_Load( IPersistStorage *iface, IStorage *pStg )
{
DataCache *This = impl_from_IPersistStorage(iface);
HRESULT hr;
IStream *stm;
TRACE("(%p, %p)\n", iface, pStg);
IPersistStorage_HandsOffStorage( iface );
hr = parse_pres_streams( This, pStg );
hr = IStorage_OpenStream( pStg, CONTENTS, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE,
0, &stm );
if (SUCCEEDED( hr ))
{
hr = parse_contents_stream( This, pStg, stm );
IStream_Release( stm );
}
else
hr = parse_pres_streams( This, pStg );
if (SUCCEEDED( hr ))
{