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617 lines
18 KiB
C
617 lines
18 KiB
C
/*
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* BindCtx implementation
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*
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* Copyright 1999 Noomen Hamza
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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 <stdarg.h>
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#include <string.h>
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#define COBJMACROS
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#include "winerror.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "objbase.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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#define BINDCTX_FIRST_TABLE_SIZE 4
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/* data structure of the BindCtx table elements */
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typedef struct BindCtxObject{
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IUnknown* pObj; /* point on a bound object */
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LPOLESTR pkeyObj; /* key associated to this bound object */
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BYTE regType; /* registration type: 1 if RegisterObjectParam and 0 if RegisterObjectBound */
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} BindCtxObject;
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/* BindCtx data structure */
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typedef struct BindCtxImpl{
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IBindCtx IBindCtx_iface;
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LONG ref; /* reference counter for this object */
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BindCtxObject* bindCtxTable; /* this is a table in which all bounded objects are stored*/
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DWORD bindCtxTableLastIndex; /* first free index in the table */
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DWORD bindCtxTableSize; /* size table */
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BIND_OPTS2 bindOption2; /* a structure which contains the bind options*/
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} BindCtxImpl;
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/* IBindCtx prototype functions : */
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static HRESULT WINAPI BindCtxImpl_ReleaseBoundObjects(IBindCtx*);
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static HRESULT BindCtxImpl_GetObjectIndex(BindCtxImpl*, IUnknown*, LPOLESTR, DWORD *);
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static HRESULT BindCtxImpl_ExpandTable(BindCtxImpl *);
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static inline BindCtxImpl *impl_from_IBindCtx(IBindCtx *iface)
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{
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return CONTAINING_RECORD(iface, BindCtxImpl, IBindCtx_iface);
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}
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/*******************************************************************************
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* BindCtx_QueryInterface
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*******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_QueryInterface(IBindCtx* iface,REFIID riid,void** ppvObject)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p %s %p)\n",This, debugstr_guid(riid), ppvObject);
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/* Perform a sanity check on the parameters.*/
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if (!ppvObject)
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return E_POINTER;
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/* Initialize the return parameter.*/
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*ppvObject = 0;
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/* Compare the riid with the interface IDs implemented by this object.*/
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if (IsEqualIID(&IID_IUnknown, riid) ||
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IsEqualIID(&IID_IBindCtx, riid))
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{
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*ppvObject = This;
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IBindCtx_AddRef(iface);
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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/******************************************************************************
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* BindCtx_AddRef
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******************************************************************************/
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static ULONG WINAPI BindCtxImpl_AddRef(IBindCtx* iface)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p)\n",This);
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return InterlockedIncrement(&This->ref);
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}
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/******************************************************************************
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* BindCtx_Destroy (local function)
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*******************************************************************************/
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static HRESULT BindCtxImpl_Destroy(BindCtxImpl* This)
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{
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TRACE("(%p)\n",This);
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/* free the table space memory */
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HeapFree(GetProcessHeap(),0,This->bindCtxTable);
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/* free the bindctx structure */
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HeapFree(GetProcessHeap(),0,This);
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_Release
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******************************************************************************/
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static ULONG WINAPI BindCtxImpl_Release(IBindCtx* iface)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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ULONG ref;
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TRACE("(%p)\n",This);
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ref = InterlockedDecrement(&This->ref);
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if (ref == 0)
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{
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/* release all registered objects */
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BindCtxImpl_ReleaseBoundObjects(&This->IBindCtx_iface);
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BindCtxImpl_Destroy(This);
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}
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return ref;
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}
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/******************************************************************************
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* BindCtx_RegisterObjectBound
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_RegisterObjectBound(IBindCtx* iface,IUnknown* punk)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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DWORD lastIndex=This->bindCtxTableLastIndex;
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TRACE("(%p,%p)\n",This,punk);
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if (punk==NULL)
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return S_OK;
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if (lastIndex == This->bindCtxTableSize)
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{
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HRESULT hr = BindCtxImpl_ExpandTable(This);
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if (FAILED(hr))
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return hr;
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}
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IUnknown_AddRef(punk);
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/* put the object in the first free element in the table */
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This->bindCtxTable[lastIndex].pObj = punk;
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This->bindCtxTable[lastIndex].pkeyObj = NULL;
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This->bindCtxTable[lastIndex].regType = 0;
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lastIndex= ++This->bindCtxTableLastIndex;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_RevokeObjectBound
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_RevokeObjectBound(IBindCtx* iface, IUnknown* punk)
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{
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DWORD index,j;
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%p)\n",This,punk);
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if (!punk)
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return E_INVALIDARG;
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/* check if the object was registered or not */
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if (BindCtxImpl_GetObjectIndex(This,punk,NULL,&index)==S_FALSE)
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return MK_E_NOTBOUND;
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if(This->bindCtxTable[index].pObj)
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IUnknown_Release(This->bindCtxTable[index].pObj);
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HeapFree(GetProcessHeap(),0,This->bindCtxTable[index].pkeyObj);
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/* left-shift all elements in the right side of the current revoked object */
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for(j=index; j<This->bindCtxTableLastIndex-1; j++)
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This->bindCtxTable[j]= This->bindCtxTable[j+1];
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This->bindCtxTableLastIndex--;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_ReleaseBoundObjects
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_ReleaseBoundObjects(IBindCtx* iface)
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{
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DWORD i;
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p)\n",This);
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for(i=0;i<This->bindCtxTableLastIndex;i++)
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{
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if(This->bindCtxTable[i].pObj)
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IUnknown_Release(This->bindCtxTable[i].pObj);
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HeapFree(GetProcessHeap(),0,This->bindCtxTable[i].pkeyObj);
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}
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This->bindCtxTableLastIndex = 0;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_SetBindOptions
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_SetBindOptions(IBindCtx* iface,BIND_OPTS *pbindopts)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%p)\n",This,pbindopts);
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if (pbindopts==NULL)
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return E_POINTER;
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if (pbindopts->cbStruct > sizeof(BIND_OPTS2))
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{
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WARN("invalid size\n");
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return E_INVALIDARG; /* FIXME : not verified */
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}
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memcpy(&This->bindOption2, pbindopts, pbindopts->cbStruct);
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_GetBindOptions
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_GetBindOptions(IBindCtx* iface,BIND_OPTS *pbindopts)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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ULONG cbStruct;
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TRACE("(%p,%p)\n",This,pbindopts);
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if (pbindopts==NULL)
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return E_POINTER;
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cbStruct = pbindopts->cbStruct;
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if (cbStruct > sizeof(BIND_OPTS2))
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cbStruct = sizeof(BIND_OPTS2);
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memcpy(pbindopts, &This->bindOption2, cbStruct);
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pbindopts->cbStruct = cbStruct;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_GetRunningObjectTable
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_GetRunningObjectTable(IBindCtx* iface,IRunningObjectTable** pprot)
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{
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%p)\n",This,pprot);
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if (pprot==NULL)
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return E_POINTER;
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return GetRunningObjectTable(0, pprot);
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}
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/******************************************************************************
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* BindCtx_RegisterObjectParam
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_RegisterObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown* punk)
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{
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DWORD index=0;
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%s,%p)\n",This,debugstr_w(pszkey),punk);
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if (punk==NULL)
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return E_INVALIDARG;
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if (pszkey!=NULL && BindCtxImpl_GetObjectIndex(This,NULL,pszkey,&index)==S_OK)
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{
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TRACE("Overwriting existing key\n");
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if(This->bindCtxTable[index].pObj!=NULL)
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IUnknown_Release(This->bindCtxTable[index].pObj);
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This->bindCtxTable[index].pObj=punk;
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IUnknown_AddRef(punk);
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return S_OK;
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}
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if (This->bindCtxTableLastIndex == This->bindCtxTableSize)
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{
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HRESULT hr = BindCtxImpl_ExpandTable(This);
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if (FAILED(hr))
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return hr;
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}
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This->bindCtxTable[This->bindCtxTableLastIndex].pObj = punk;
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This->bindCtxTable[This->bindCtxTableLastIndex].regType = 1;
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if (pszkey==NULL)
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This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj=NULL;
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else
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{
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This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj=
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HeapAlloc(GetProcessHeap(),0,(sizeof(WCHAR)*(1+lstrlenW(pszkey))));
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if (This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj==NULL)
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return E_OUTOFMEMORY;
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lstrcpyW(This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj,pszkey);
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}
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This->bindCtxTableLastIndex++;
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IUnknown_AddRef(punk);
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_GetObjectParam
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_GetObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown** punk)
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{
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DWORD index;
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%s,%p)\n",This,debugstr_w(pszkey),punk);
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if (punk==NULL)
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return E_POINTER;
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*punk=0;
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if (BindCtxImpl_GetObjectIndex(This,NULL,pszkey,&index)==S_FALSE)
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return E_FAIL;
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IUnknown_AddRef(This->bindCtxTable[index].pObj);
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*punk = This->bindCtxTable[index].pObj;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_RevokeObjectParam
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_RevokeObjectParam(IBindCtx* iface,LPOLESTR ppenum)
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{
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DWORD index,j;
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BindCtxImpl *This = impl_from_IBindCtx(iface);
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TRACE("(%p,%s)\n",This,debugstr_w(ppenum));
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if (BindCtxImpl_GetObjectIndex(This,NULL,ppenum,&index)==S_FALSE)
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return E_FAIL;
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/* release the object if it's found */
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if(This->bindCtxTable[index].pObj)
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IUnknown_Release(This->bindCtxTable[index].pObj);
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HeapFree(GetProcessHeap(),0,This->bindCtxTable[index].pkeyObj);
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/* remove the object from the table with a left-shifting of all objects in the right side */
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for(j=index; j<This->bindCtxTableLastIndex-1; j++)
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This->bindCtxTable[j]= This->bindCtxTable[j+1];
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This->bindCtxTableLastIndex--;
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return S_OK;
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}
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/******************************************************************************
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* BindCtx_EnumObjectParam
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******************************************************************************/
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static HRESULT WINAPI
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BindCtxImpl_EnumObjectParam(IBindCtx* iface,IEnumString** pszkey)
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{
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TRACE("(%p,%p)\n",iface,pszkey);
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*pszkey = NULL;
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/* not implemented in native either */
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return E_NOTIMPL;
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}
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/********************************************************************************
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* GetObjectIndex (local function)
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********************************************************************************/
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static HRESULT BindCtxImpl_GetObjectIndex(BindCtxImpl* This,
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IUnknown* punk,
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LPOLESTR pszkey,
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DWORD *index)
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{
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DWORD i;
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BYTE found=0;
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TRACE("(%p,%p,%p,%p)\n",This,punk,pszkey,index);
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if (punk==NULL)
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/* search object identified by a register key */
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for(i=0; ( (i<This->bindCtxTableLastIndex) && (!found));i++)
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{
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if(This->bindCtxTable[i].regType==1){
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if ( ( (This->bindCtxTable[i].pkeyObj==NULL) && (pszkey==NULL) ) ||
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( (This->bindCtxTable[i].pkeyObj!=NULL) &&
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(pszkey!=NULL) &&
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(lstrcmpW(This->bindCtxTable[i].pkeyObj,pszkey)==0)
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)
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)
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found=1;
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}
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}
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else
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/* search object identified by a moniker*/
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for(i=0; ( (i<This->bindCtxTableLastIndex) && (!found));i++)
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if(This->bindCtxTable[i].pObj==punk)
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found=1;
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if (index != NULL)
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*index=i-1;
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if (found)
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return S_OK;
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TRACE("key not found\n");
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return S_FALSE;
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}
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static HRESULT BindCtxImpl_ExpandTable(BindCtxImpl *This)
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{
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if (!This->bindCtxTableSize)
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{
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This->bindCtxTableSize = BINDCTX_FIRST_TABLE_SIZE;
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This->bindCtxTable = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
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This->bindCtxTableSize * sizeof(BindCtxObject));
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}
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else
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{
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This->bindCtxTableSize *= 2;
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This->bindCtxTable = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,This->bindCtxTable,
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This->bindCtxTableSize * sizeof(BindCtxObject));
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}
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if (!This->bindCtxTable)
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return E_OUTOFMEMORY;
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return S_OK;
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}
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/* Virtual function table for the BindCtx class. */
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static const IBindCtxVtbl VT_BindCtxImpl =
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{
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BindCtxImpl_QueryInterface,
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BindCtxImpl_AddRef,
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BindCtxImpl_Release,
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BindCtxImpl_RegisterObjectBound,
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BindCtxImpl_RevokeObjectBound,
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BindCtxImpl_ReleaseBoundObjects,
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BindCtxImpl_SetBindOptions,
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BindCtxImpl_GetBindOptions,
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BindCtxImpl_GetRunningObjectTable,
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BindCtxImpl_RegisterObjectParam,
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BindCtxImpl_GetObjectParam,
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BindCtxImpl_EnumObjectParam,
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BindCtxImpl_RevokeObjectParam
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};
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/******************************************************************************
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* BindCtx_Construct (local function)
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*******************************************************************************/
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static HRESULT BindCtxImpl_Construct(BindCtxImpl* This)
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{
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TRACE("(%p)\n",This);
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/* Initialize the virtual function table.*/
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This->IBindCtx_iface.lpVtbl = &VT_BindCtxImpl;
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This->ref = 0;
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/* Initialize the BIND_OPTS2 structure */
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This->bindOption2.cbStruct = sizeof(BIND_OPTS2);
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This->bindOption2.grfFlags = 0;
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This->bindOption2.grfMode = STGM_READWRITE;
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This->bindOption2.dwTickCountDeadline = 0;
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This->bindOption2.dwTrackFlags = 0;
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This->bindOption2.dwClassContext = CLSCTX_SERVER;
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This->bindOption2.locale = GetThreadLocale();
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This->bindOption2.pServerInfo = 0;
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/* Initialize the bindctx table */
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This->bindCtxTableSize=0;
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This->bindCtxTableLastIndex=0;
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This->bindCtxTable = NULL;
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|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateBindCtx (OLE32.@)
|
|
*
|
|
* Creates a bind context. A bind context encompasses information and options
|
|
* used when binding to a moniker.
|
|
*
|
|
* PARAMS
|
|
* reserved [I] Reserved. Set to 0.
|
|
* ppbc [O] Address that receives the bind context object.
|
|
*
|
|
* RETURNS
|
|
* Success: S_OK.
|
|
* Failure: Any HRESULT code.
|
|
*/
|
|
HRESULT WINAPI CreateBindCtx(DWORD reserved, LPBC * ppbc)
|
|
{
|
|
BindCtxImpl* newBindCtx;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%d,%p)\n",reserved,ppbc);
|
|
|
|
if (!ppbc) return E_INVALIDARG;
|
|
|
|
*ppbc = NULL;
|
|
|
|
if (reserved != 0)
|
|
{
|
|
ERR("reserved should be 0, not 0x%x\n", reserved);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
newBindCtx = HeapAlloc(GetProcessHeap(), 0, sizeof(BindCtxImpl));
|
|
if (newBindCtx == 0)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hr = BindCtxImpl_Construct(newBindCtx);
|
|
if (FAILED(hr))
|
|
{
|
|
HeapFree(GetProcessHeap(),0,newBindCtx);
|
|
return hr;
|
|
}
|
|
|
|
return BindCtxImpl_QueryInterface(&newBindCtx->IBindCtx_iface,&IID_IBindCtx,(void**)ppbc);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* BindMoniker [OLE32.@]
|
|
*
|
|
* Binds to a moniker.
|
|
*
|
|
* PARAMS
|
|
* pmk [I] Moniker to bind to.
|
|
* grfOpt [I] Reserved option flags. Set to 0.
|
|
* riid [I] ID of the interface to bind to.
|
|
* pvResult [O] Address that receives the interface of the object that was bound to.
|
|
*
|
|
* RETURNS
|
|
* Success: S_OK.
|
|
* Failure: Any HRESULT code.
|
|
*/
|
|
HRESULT WINAPI BindMoniker(LPMONIKER pmk, DWORD grfOpt, REFIID riid, LPVOID * ppvResult)
|
|
{
|
|
HRESULT res;
|
|
IBindCtx * pbc;
|
|
|
|
TRACE("(%p, %x, %s, %p)\n", pmk, grfOpt, debugstr_guid(riid), ppvResult);
|
|
|
|
res = CreateBindCtx(grfOpt, &pbc);
|
|
if (SUCCEEDED(res))
|
|
{
|
|
res = IMoniker_BindToObject(pmk, pbc, NULL, riid, ppvResult);
|
|
IBindCtx_Release(pbc);
|
|
}
|
|
return res;
|
|
}
|