mirror of
git://source.winehq.org/git/wine.git
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233042bd75
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
551 lines
16 KiB
C
551 lines
16 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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#include "wine/heap.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_OPTS3 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->IBindCtx_iface;
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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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static ULONG WINAPI BindCtxImpl_Release(IBindCtx* iface)
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{
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BindCtxImpl *context = impl_from_IBindCtx(iface);
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ULONG refcount = InterlockedDecrement(&context->ref);
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TRACE("%p, refcount %lu.\n", iface, refcount);
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if (!refcount)
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{
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BindCtxImpl_ReleaseBoundObjects(&context->IBindCtx_iface);
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heap_free(context->bindCtxTable);
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heap_free(context);
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}
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return refcount;
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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(This->options))
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{
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WARN("invalid size %lu.\n", pbindopts->cbStruct);
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return E_INVALIDARG;
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}
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memcpy(&This->options, 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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DWORD size;
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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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size = min(pbindopts->cbStruct, sizeof(This->options));
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memcpy(pbindopts, &This->options, size);
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pbindopts->cbStruct = size;
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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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BOOL found = FALSE;
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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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(wcscmp(This->bindCtxTable[i].pkeyObj,pszkey)==0)
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)
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)
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found = TRUE;
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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 = TRUE;
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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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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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* CreateBindCtx (OLE32.@)
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*/
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HRESULT WINAPI CreateBindCtx(DWORD reserved, IBindCtx **bind_context)
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{
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BindCtxImpl *object;
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TRACE("%#lx, %p.\n", reserved, bind_context);
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if (!bind_context) return E_INVALIDARG;
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*bind_context = NULL;
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if (reserved)
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{
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WARN("reserved should be 0, not %#lx.\n", reserved);
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return E_INVALIDARG;
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}
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if (!(object = heap_alloc_zero(sizeof(*object))))
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return E_OUTOFMEMORY;
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object->IBindCtx_iface.lpVtbl = &VT_BindCtxImpl;
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object->ref = 1;
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object->options.cbStruct = sizeof(object->options);
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object->options.grfMode = STGM_READWRITE;
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object->options.dwClassContext = CLSCTX_SERVER;
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object->options.locale = GetThreadLocale();
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*bind_context = &object->IBindCtx_iface;
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return S_OK;
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}
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/******************************************************************************
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* BindMoniker [OLE32.@]
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*
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* Binds to a moniker.
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*
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* PARAMS
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* pmk [I] Moniker to bind to.
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* grfOpt [I] Reserved option flags. Set to 0.
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* riid [I] ID of the interface to bind to.
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* pvResult [O] Address that receives the interface of the object that was bound to.
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*
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* RETURNS
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* Success: S_OK.
|
|
* Failure: Any HRESULT code.
|
|
*/
|
|
HRESULT WINAPI BindMoniker(LPMONIKER pmk, DWORD grfOpt, REFIID riid, LPVOID * ppvResult)
|
|
{
|
|
HRESULT res;
|
|
IBindCtx * pbc;
|
|
|
|
TRACE("%p, %lx, %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;
|
|
}
|