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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
868 lines
19 KiB
C
868 lines
19 KiB
C
/*
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* ITSS Storage implementation
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*
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* Copyright 2004 Mike McCormack
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*
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* see http://bonedaddy.net/pabs3/hhm/#chmspec
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "precomp.h"
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/************************************************************************/
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typedef struct _ITSS_IStorageImpl
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{
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IStorage IStorage_iface;
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LONG ref;
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struct chmFile *chmfile;
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WCHAR dir[1];
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} ITSS_IStorageImpl;
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struct enum_info
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{
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struct enum_info *next, *prev;
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struct chmUnitInfo ui;
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};
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typedef struct _IEnumSTATSTG_Impl
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{
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IEnumSTATSTG IEnumSTATSTG_iface;
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LONG ref;
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struct enum_info *first, *last, *current;
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} IEnumSTATSTG_Impl;
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typedef struct _IStream_Impl
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{
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IStream IStream_iface;
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LONG ref;
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ITSS_IStorageImpl *stg;
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ULONGLONG addr;
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struct chmUnitInfo ui;
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} IStream_Impl;
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static inline ITSS_IStorageImpl *impl_from_IStorage(IStorage *iface)
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{
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return CONTAINING_RECORD(iface, ITSS_IStorageImpl, IStorage_iface);
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}
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static inline IEnumSTATSTG_Impl *impl_from_IEnumSTATSTG(IEnumSTATSTG *iface)
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{
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return CONTAINING_RECORD(iface, IEnumSTATSTG_Impl, IEnumSTATSTG_iface);
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}
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static inline IStream_Impl *impl_from_IStream(IStream *iface)
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{
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return CONTAINING_RECORD(iface, IStream_Impl, IStream_iface);
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}
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static HRESULT ITSS_create_chm_storage(
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struct chmFile *chmfile, const WCHAR *dir, IStorage** ppstgOpen );
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static IStream_Impl* ITSS_create_stream(
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ITSS_IStorageImpl *stg, struct chmUnitInfo *ui );
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/************************************************************************/
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static HRESULT WINAPI ITSS_IEnumSTATSTG_QueryInterface(
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IEnumSTATSTG* iface,
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REFIID riid,
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void** ppvObject)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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if (IsEqualGUID(riid, &IID_IUnknown)
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|| IsEqualGUID(riid, &IID_IEnumSTATSTG))
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{
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IEnumSTATSTG_AddRef(iface);
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*ppvObject = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI ITSS_IEnumSTATSTG_AddRef(
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IEnumSTATSTG* iface)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI ITSS_IEnumSTATSTG_Release(
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IEnumSTATSTG* iface)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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if (ref == 0)
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{
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while( This->first )
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{
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struct enum_info *t = This->first->next;
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HeapFree( GetProcessHeap(), 0, This->first );
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This->first = t;
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}
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HeapFree(GetProcessHeap(), 0, This);
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ITSS_UnlockModule();
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}
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return ref;
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}
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static HRESULT WINAPI ITSS_IEnumSTATSTG_Next(
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IEnumSTATSTG* iface,
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ULONG celt,
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STATSTG* rgelt,
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ULONG* pceltFetched)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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DWORD len, n;
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struct enum_info *cur;
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TRACE("%p %u %p %p\n", This, celt, rgelt, pceltFetched );
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cur = This->current;
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n = 0;
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while( (n<celt) && cur)
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{
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WCHAR *str;
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memset( rgelt, 0, sizeof *rgelt );
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/* copy the name */
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str = cur->ui.path;
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if( *str == '/' )
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str++;
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len = strlenW( str ) + 1;
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rgelt->pwcsName = CoTaskMemAlloc( len*sizeof(WCHAR) );
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strcpyW( rgelt->pwcsName, str );
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/* determine the type */
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if( rgelt->pwcsName[len-2] == '/' )
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{
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rgelt->pwcsName[len-2] = 0;
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rgelt->type = STGTY_STORAGE;
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}
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else
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rgelt->type = STGTY_STREAM;
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/* copy the size */
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rgelt->cbSize.QuadPart = cur->ui.length;
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/* advance to the next item if it exists */
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n++;
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cur = cur->next;
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}
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This->current = cur;
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*pceltFetched = n;
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if( n < celt )
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return S_FALSE;
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return S_OK;
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}
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static HRESULT WINAPI ITSS_IEnumSTATSTG_Skip(
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IEnumSTATSTG* iface,
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ULONG celt)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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DWORD n;
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struct enum_info *cur;
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TRACE("%p %u\n", This, celt );
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cur = This->current;
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n = 0;
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while( (n<celt) && cur)
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{
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n++;
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cur = cur->next;
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}
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This->current = cur;
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if( n < celt )
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return S_FALSE;
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return S_OK;
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}
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static HRESULT WINAPI ITSS_IEnumSTATSTG_Reset(
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IEnumSTATSTG* iface)
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{
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IEnumSTATSTG_Impl *This = impl_from_IEnumSTATSTG(iface);
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TRACE("%p\n", This );
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This->current = This->first;
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return S_OK;
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}
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static HRESULT WINAPI ITSS_IEnumSTATSTG_Clone(
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IEnumSTATSTG* iface,
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IEnumSTATSTG** ppenum)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static const IEnumSTATSTGVtbl IEnumSTATSTG_vtbl =
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{
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ITSS_IEnumSTATSTG_QueryInterface,
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ITSS_IEnumSTATSTG_AddRef,
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ITSS_IEnumSTATSTG_Release,
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ITSS_IEnumSTATSTG_Next,
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ITSS_IEnumSTATSTG_Skip,
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ITSS_IEnumSTATSTG_Reset,
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ITSS_IEnumSTATSTG_Clone
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};
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static IEnumSTATSTG_Impl *ITSS_create_enum( void )
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{
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IEnumSTATSTG_Impl *stgenum;
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stgenum = HeapAlloc( GetProcessHeap(), 0, sizeof (IEnumSTATSTG_Impl) );
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stgenum->IEnumSTATSTG_iface.lpVtbl = &IEnumSTATSTG_vtbl;
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stgenum->ref = 1;
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stgenum->first = NULL;
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stgenum->last = NULL;
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stgenum->current = NULL;
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ITSS_LockModule();
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TRACE(" -> %p\n", stgenum );
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return stgenum;
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}
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/************************************************************************/
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static HRESULT WINAPI ITSS_IStorageImpl_QueryInterface(
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IStorage* iface,
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REFIID riid,
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void** ppvObject)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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if (IsEqualGUID(riid, &IID_IUnknown)
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|| IsEqualGUID(riid, &IID_IStorage))
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{
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IStorage_AddRef(iface);
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*ppvObject = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI ITSS_IStorageImpl_AddRef(
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IStorage* iface)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI ITSS_IStorageImpl_Release(
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IStorage* iface)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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if (ref == 0)
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{
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chm_close(This->chmfile);
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HeapFree(GetProcessHeap(), 0, This);
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ITSS_UnlockModule();
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}
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return ref;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_CreateStream(
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IStorage* iface,
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LPCOLESTR pwcsName,
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DWORD grfMode,
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DWORD reserved1,
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DWORD reserved2,
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IStream** ppstm)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_OpenStream(
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IStorage* iface,
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LPCOLESTR pwcsName,
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void* reserved1,
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DWORD grfMode,
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DWORD reserved2,
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IStream** ppstm)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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IStream_Impl *stm;
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DWORD len;
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struct chmUnitInfo ui;
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int r;
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WCHAR *path, *p;
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TRACE("%p %s %p %u %u %p\n", This, debugstr_w(pwcsName),
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reserved1, grfMode, reserved2, ppstm );
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len = strlenW( This->dir ) + strlenW( pwcsName ) + 1;
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path = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
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strcpyW( path, This->dir );
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if( pwcsName[0] == '/' || pwcsName[0] == '\\' )
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{
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p = &path[strlenW( path ) - 1];
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while( ( path <= p ) && ( *p == '/' ) )
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*p-- = 0;
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}
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strcatW( path, pwcsName );
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for(p=path; *p; p++) {
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if(*p == '\\')
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*p = '/';
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}
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if(*--p == '/')
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*p = 0;
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TRACE("Resolving %s\n", debugstr_w(path));
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r = chm_resolve_object(This->chmfile, path, &ui);
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HeapFree( GetProcessHeap(), 0, path );
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if( r != CHM_RESOLVE_SUCCESS ) {
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WARN("Could not resolve object\n");
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return STG_E_FILENOTFOUND;
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}
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stm = ITSS_create_stream( This, &ui );
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if( !stm )
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return E_FAIL;
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*ppstm = &stm->IStream_iface;
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return S_OK;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_CreateStorage(
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IStorage* iface,
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LPCOLESTR pwcsName,
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DWORD grfMode,
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DWORD dwStgFmt,
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DWORD reserved2,
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IStorage** ppstg)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_OpenStorage(
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IStorage* iface,
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LPCOLESTR pwcsName,
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IStorage* pstgPriority,
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DWORD grfMode,
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SNB snbExclude,
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DWORD reserved,
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IStorage** ppstg)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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struct chmFile *chmfile;
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WCHAR *path, *p;
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DWORD len;
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TRACE("%p %s %p %u %p %u %p\n", This, debugstr_w(pwcsName),
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pstgPriority, grfMode, snbExclude, reserved, ppstg);
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chmfile = chm_dup( This->chmfile );
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if( !chmfile )
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return E_FAIL;
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len = strlenW( This->dir ) + strlenW( pwcsName ) + 2; /* need room for a terminating slash */
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path = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
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strcpyW( path, This->dir );
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if( pwcsName[0] == '/' || pwcsName[0] == '\\' )
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{
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p = &path[strlenW( path ) - 1];
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while( ( path <= p ) && ( *p == '/' ) )
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*p-- = 0;
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}
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strcatW( path, pwcsName );
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for(p=path; *p; p++) {
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if(*p == '\\')
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*p = '/';
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}
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/* add a terminating slash if one does not already exist */
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if(*(p-1) != '/')
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{
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*p++ = '/';
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*p = 0;
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}
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TRACE("Resolving %s\n", debugstr_w(path));
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return ITSS_create_chm_storage(chmfile, path, ppstg);
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}
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static HRESULT WINAPI ITSS_IStorageImpl_CopyTo(
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IStorage* iface,
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DWORD ciidExclude,
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const IID* rgiidExclude,
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SNB snbExclude,
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IStorage* pstgDest)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_MoveElementTo(
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IStorage* iface,
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LPCOLESTR pwcsName,
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IStorage* pstgDest,
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LPCOLESTR pwcsNewName,
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DWORD grfFlags)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_Commit(
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IStorage* iface,
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DWORD grfCommitFlags)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_Revert(
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IStorage* iface)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static int ITSS_chm_enumerator(
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struct chmFile *h,
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struct chmUnitInfo *ui,
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void *context)
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{
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struct enum_info *info;
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IEnumSTATSTG_Impl* stgenum = context;
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TRACE("adding %s to enumeration\n", debugstr_w(ui->path) );
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info = HeapAlloc( GetProcessHeap(), 0, sizeof (struct enum_info) );
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info->ui = *ui;
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info->next = NULL;
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info->prev = stgenum->last;
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if( stgenum->last )
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stgenum->last->next = info;
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else
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stgenum->first = info;
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stgenum->last = info;
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return CHM_ENUMERATOR_CONTINUE;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_EnumElements(
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IStorage* iface,
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DWORD reserved1,
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void* reserved2,
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DWORD reserved3,
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IEnumSTATSTG** ppenum)
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{
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ITSS_IStorageImpl *This = impl_from_IStorage(iface);
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IEnumSTATSTG_Impl* stgenum;
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TRACE("%p %d %p %d %p\n", This, reserved1, reserved2, reserved3, ppenum );
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stgenum = ITSS_create_enum();
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if( !stgenum )
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return E_FAIL;
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chm_enumerate_dir(This->chmfile,
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This->dir,
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CHM_ENUMERATE_ALL,
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ITSS_chm_enumerator,
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stgenum );
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stgenum->current = stgenum->first;
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*ppenum = &stgenum->IEnumSTATSTG_iface;
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return S_OK;
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}
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static HRESULT WINAPI ITSS_IStorageImpl_DestroyElement(
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IStorage* iface,
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LPCOLESTR pwcsName)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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|
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static HRESULT WINAPI ITSS_IStorageImpl_RenameElement(
|
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IStorage* iface,
|
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LPCOLESTR pwcsOldName,
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LPCOLESTR pwcsNewName)
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{
|
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FIXME("\n");
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return E_NOTIMPL;
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}
|
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|
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static HRESULT WINAPI ITSS_IStorageImpl_SetElementTimes(
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IStorage* iface,
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LPCOLESTR pwcsName,
|
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const FILETIME* pctime,
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const FILETIME* patime,
|
|
const FILETIME* pmtime)
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|
{
|
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FIXME("\n");
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return E_NOTIMPL;
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|
}
|
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|
|
static HRESULT WINAPI ITSS_IStorageImpl_SetClass(
|
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IStorage* iface,
|
|
REFCLSID clsid)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStorageImpl_SetStateBits(
|
|
IStorage* iface,
|
|
DWORD grfStateBits,
|
|
DWORD grfMask)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStorageImpl_Stat(
|
|
IStorage* iface,
|
|
STATSTG* pstatstg,
|
|
DWORD grfStatFlag)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IStorageVtbl ITSS_IStorageImpl_Vtbl =
|
|
{
|
|
ITSS_IStorageImpl_QueryInterface,
|
|
ITSS_IStorageImpl_AddRef,
|
|
ITSS_IStorageImpl_Release,
|
|
ITSS_IStorageImpl_CreateStream,
|
|
ITSS_IStorageImpl_OpenStream,
|
|
ITSS_IStorageImpl_CreateStorage,
|
|
ITSS_IStorageImpl_OpenStorage,
|
|
ITSS_IStorageImpl_CopyTo,
|
|
ITSS_IStorageImpl_MoveElementTo,
|
|
ITSS_IStorageImpl_Commit,
|
|
ITSS_IStorageImpl_Revert,
|
|
ITSS_IStorageImpl_EnumElements,
|
|
ITSS_IStorageImpl_DestroyElement,
|
|
ITSS_IStorageImpl_RenameElement,
|
|
ITSS_IStorageImpl_SetElementTimes,
|
|
ITSS_IStorageImpl_SetClass,
|
|
ITSS_IStorageImpl_SetStateBits,
|
|
ITSS_IStorageImpl_Stat,
|
|
};
|
|
|
|
static HRESULT ITSS_create_chm_storage(
|
|
struct chmFile *chmfile, const WCHAR *dir, IStorage** ppstgOpen )
|
|
{
|
|
ITSS_IStorageImpl *stg;
|
|
|
|
TRACE("%p %s\n", chmfile, debugstr_w( dir ) );
|
|
|
|
stg = HeapAlloc( GetProcessHeap(), 0,
|
|
FIELD_OFFSET( ITSS_IStorageImpl, dir[strlenW( dir ) + 1] ));
|
|
stg->IStorage_iface.lpVtbl = &ITSS_IStorageImpl_Vtbl;
|
|
stg->ref = 1;
|
|
stg->chmfile = chmfile;
|
|
strcpyW( stg->dir, dir );
|
|
|
|
*ppstgOpen = &stg->IStorage_iface;
|
|
|
|
ITSS_LockModule();
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT ITSS_StgOpenStorage(
|
|
const WCHAR* pwcsName,
|
|
IStorage* pstgPriority,
|
|
DWORD grfMode,
|
|
SNB snbExclude,
|
|
DWORD reserved,
|
|
IStorage** ppstgOpen)
|
|
{
|
|
struct chmFile *chmfile;
|
|
static const WCHAR szRoot[] = { '/', 0 };
|
|
|
|
TRACE("%s\n", debugstr_w(pwcsName) );
|
|
|
|
chmfile = chm_openW( pwcsName );
|
|
if( !chmfile )
|
|
return E_FAIL;
|
|
|
|
return ITSS_create_chm_storage( chmfile, szRoot, ppstgOpen );
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static HRESULT WINAPI ITSS_IStream_QueryInterface(
|
|
IStream* iface,
|
|
REFIID riid,
|
|
void** ppvObject)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
|
|
if (IsEqualGUID(riid, &IID_IUnknown)
|
|
|| IsEqualGUID(riid, &IID_ISequentialStream)
|
|
|| IsEqualGUID(riid, &IID_IStream))
|
|
{
|
|
IStream_AddRef(iface);
|
|
*ppvObject = This;
|
|
return S_OK;
|
|
}
|
|
|
|
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI ITSS_IStream_AddRef(
|
|
IStream* iface)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
return InterlockedIncrement(&This->ref);
|
|
}
|
|
|
|
static ULONG WINAPI ITSS_IStream_Release(
|
|
IStream* iface)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
|
|
ULONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
if (ref == 0)
|
|
{
|
|
IStorage_Release( &This->stg->IStorage_iface );
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
ITSS_UnlockModule();
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Read(
|
|
IStream* iface,
|
|
void* pv,
|
|
ULONG cb,
|
|
ULONG* pcbRead)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
ULONG count;
|
|
|
|
TRACE("%p %p %u %p\n", This, pv, cb, pcbRead);
|
|
|
|
count = chm_retrieve_object(This->stg->chmfile,
|
|
&This->ui, pv, This->addr, cb);
|
|
This->addr += count;
|
|
if( pcbRead )
|
|
*pcbRead = count;
|
|
|
|
return count ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Write(
|
|
IStream* iface,
|
|
const void* pv,
|
|
ULONG cb,
|
|
ULONG* pcbWritten)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Seek(
|
|
IStream* iface,
|
|
LARGE_INTEGER dlibMove,
|
|
DWORD dwOrigin,
|
|
ULARGE_INTEGER* plibNewPosition)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
LONGLONG newpos;
|
|
|
|
TRACE("%p %s %u %p\n", This,
|
|
wine_dbgstr_longlong( dlibMove.QuadPart ), dwOrigin, plibNewPosition );
|
|
|
|
newpos = This->addr;
|
|
switch( dwOrigin )
|
|
{
|
|
case STREAM_SEEK_CUR:
|
|
newpos = This->addr + dlibMove.QuadPart;
|
|
break;
|
|
case STREAM_SEEK_SET:
|
|
newpos = dlibMove.QuadPart;
|
|
break;
|
|
case STREAM_SEEK_END:
|
|
newpos = This->ui.length + dlibMove.QuadPart;
|
|
break;
|
|
}
|
|
|
|
if( ( newpos < 0 ) || ( newpos > This->ui.length ) )
|
|
return STG_E_INVALIDPOINTER;
|
|
|
|
This->addr = newpos;
|
|
if( plibNewPosition )
|
|
plibNewPosition->QuadPart = This->addr;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_SetSize(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libNewSize)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_CopyTo(
|
|
IStream* iface,
|
|
IStream* pstm,
|
|
ULARGE_INTEGER cb,
|
|
ULARGE_INTEGER* pcbRead,
|
|
ULARGE_INTEGER* pcbWritten)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Commit(
|
|
IStream* iface,
|
|
DWORD grfCommitFlags)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Revert(
|
|
IStream* iface)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_LockRegion(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libOffset,
|
|
ULARGE_INTEGER cb,
|
|
DWORD dwLockType)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_UnlockRegion(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libOffset,
|
|
ULARGE_INTEGER cb,
|
|
DWORD dwLockType)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Stat(
|
|
IStream* iface,
|
|
STATSTG* pstatstg,
|
|
DWORD grfStatFlag)
|
|
{
|
|
IStream_Impl *This = impl_from_IStream(iface);
|
|
|
|
TRACE("%p %p %d\n", This, pstatstg, grfStatFlag);
|
|
|
|
memset( pstatstg, 0, sizeof *pstatstg );
|
|
if( !( grfStatFlag & STATFLAG_NONAME ) )
|
|
{
|
|
FIXME("copy the name\n");
|
|
}
|
|
pstatstg->type = STGTY_STREAM;
|
|
pstatstg->cbSize.QuadPart = This->ui.length;
|
|
pstatstg->grfMode = STGM_READ;
|
|
pstatstg->clsid = CLSID_ITStorage;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI ITSS_IStream_Clone(
|
|
IStream* iface,
|
|
IStream** ppstm)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IStreamVtbl ITSS_IStream_vtbl =
|
|
{
|
|
ITSS_IStream_QueryInterface,
|
|
ITSS_IStream_AddRef,
|
|
ITSS_IStream_Release,
|
|
ITSS_IStream_Read,
|
|
ITSS_IStream_Write,
|
|
ITSS_IStream_Seek,
|
|
ITSS_IStream_SetSize,
|
|
ITSS_IStream_CopyTo,
|
|
ITSS_IStream_Commit,
|
|
ITSS_IStream_Revert,
|
|
ITSS_IStream_LockRegion,
|
|
ITSS_IStream_UnlockRegion,
|
|
ITSS_IStream_Stat,
|
|
ITSS_IStream_Clone,
|
|
};
|
|
|
|
static IStream_Impl *ITSS_create_stream(
|
|
ITSS_IStorageImpl *stg, struct chmUnitInfo *ui )
|
|
{
|
|
IStream_Impl *stm;
|
|
|
|
stm = HeapAlloc( GetProcessHeap(), 0, sizeof (IStream_Impl) );
|
|
stm->IStream_iface.lpVtbl = &ITSS_IStream_vtbl;
|
|
stm->ref = 1;
|
|
stm->addr = 0;
|
|
stm->ui = *ui;
|
|
stm->stg = stg;
|
|
IStorage_AddRef( &stg->IStorage_iface );
|
|
|
|
ITSS_LockModule();
|
|
|
|
TRACE(" -> %p\n", stm );
|
|
|
|
return stm;
|
|
}
|