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Sweden-Number/ole/bindctx.c

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/***************************************************************************************
* BindCtx implementation
*
* Copyright 1999 Noomen Hamza
***************************************************************************************/
#include <string.h>
#include <assert.h>
#include "winerror.h"
#include "wine/obj_moniker.h"
#include "debug.h"
#include "heap.h"
/* represent the first size table and it's increment block size */
#define BLOCK_TAB_SIZE 10
#define MAX_TAB_SIZE 0xFFFFFFFF
/* data structure of the BindCtx table elements */
typedef struct BindCtxObject{
IUnknown* pObj; /* point on a bound object */
LPOLESTR pkeyObj; /* key associated to this bound object */
BYTE regType; /* registration type: 1 if RegisterObjectParam and 0 if RegisterObjectBound */
} BindCtxObject;
/* BindCtx data strucrture */
typedef struct BindCtxImpl{
ICOM_VTABLE(IBindCtx)* lpvtbl; /* VTable relative to the IBindCtx interface.*/
ULONG ref; /* reference counter for this object */
BindCtxObject* bindCtxTable; /* this is a table in witch all bounded objects are stored*/
DWORD bindCtxTableLastIndex; /* first free index in the table */
DWORD bindCtxTableSize; /* size table */
BIND_OPTS2 bindOption2; /* a structure witch contains the bind options*/
} BindCtxImpl;
/* IBindCtx prototype functions : */
/* IUnknown functions*/
static HRESULT WINAPI BindCtxImpl_QueryInterface(IBindCtx* iface,REFIID riid,void** ppvObject);
static ULONG WINAPI BindCtxImpl_AddRef(IBindCtx* iface);
static ULONG WINAPI BindCtxImpl_Release(IBindCtx* iface);
/* IBindCtx functions */
static HRESULT WINAPI BindCtxImpl_RegisterObjectBound(IBindCtx* iface,IUnknown* punk);
static HRESULT WINAPI BindCtxImpl_RevokeObjectBound(IBindCtx* iface, IUnknown* punk);
static HRESULT WINAPI BindCtxImpl_ReleaseBoundObjects(IBindCtx* iface);
static HRESULT WINAPI BindCtxImpl_SetBindOptions(IBindCtx* iface,LPBIND_OPTS2 pbindopts);
static HRESULT WINAPI BindCtxImpl_GetBindOptions(IBindCtx* iface,LPBIND_OPTS2 pbindopts);
static HRESULT WINAPI BindCtxImpl_GetRunningObjectTable(IBindCtx* iface,IRunningObjectTable** pprot);
static HRESULT WINAPI BindCtxImpl_RegisterObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown* punk);
static HRESULT WINAPI BindCtxImpl_GetObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown** punk);
static HRESULT WINAPI BindCtxImpl_EnumObjectParam(IBindCtx* iface,IEnumString** ppenum);
static HRESULT WINAPI BindCtxImpl_RevokeObjectParam(IBindCtx* iface,LPOLESTR pszkey);
/* Local functions*/
HRESULT WINAPI BindCtxImpl_Construct(BindCtxImpl* This);
HRESULT WINAPI BindCtxImpl_Destroy(BindCtxImpl* This);
HRESULT WINAPI BindCtxImpl_GetObjectIndex(BindCtxImpl* This,IUnknown* punk,LPOLESTR pszkey,DWORD *index);
/* Virtual function table for the BindCtx class. */
static ICOM_VTABLE(IBindCtx) VT_BindCtxImpl =
{
BindCtxImpl_QueryInterface,
BindCtxImpl_AddRef,
BindCtxImpl_Release,
BindCtxImpl_RegisterObjectBound,
BindCtxImpl_RevokeObjectBound,
BindCtxImpl_ReleaseBoundObjects,
BindCtxImpl_SetBindOptions,
BindCtxImpl_GetBindOptions,
BindCtxImpl_GetRunningObjectTable,
BindCtxImpl_RegisterObjectParam,
BindCtxImpl_GetObjectParam,
BindCtxImpl_EnumObjectParam,
BindCtxImpl_RevokeObjectParam
};
/*******************************************************************************
* BindCtx_QueryInterface
*******************************************************************************/
HRESULT WINAPI BindCtxImpl_QueryInterface(IBindCtx* iface,REFIID riid,void** ppvObject)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,riid,ppvObject);
/* Perform a sanity check on the parameters.*/
if ( (This==0) || (ppvObject==0) )
return E_INVALIDARG;
/* Initialize the return parameter.*/
*ppvObject = 0;
/* Compare the riid with the interface IDs implemented by this object.*/
if (IsEqualIID(&IID_IUnknown, riid))
*ppvObject = (IBindCtx*)This;
else
if (IsEqualIID(&IID_IBindCtx, riid))
*ppvObject = (IBindCtx*)This;
/* Check that we obtained an interface.*/
if ((*ppvObject)==0)
return E_NOINTERFACE;
/* Query Interface always increases the reference count by one when it is successful */
BindCtxImpl_AddRef(iface);
return S_OK;
}
/******************************************************************************
* BindCtx_AddRef
******************************************************************************/
ULONG WINAPI BindCtxImpl_AddRef(IBindCtx* iface)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p)\n",This);
return ++(This->ref);
}
/******************************************************************************
* BindCtx_Release
******************************************************************************/
ULONG WINAPI BindCtxImpl_Release(IBindCtx* iface)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p)\n",This);
This->ref--;
if (This->ref==0){
/* release all registred objects */
BindCtxImpl_ReleaseBoundObjects((IBindCtx*)This);
BindCtxImpl_Destroy(This);
return 0;
}
return This->ref;;
}
/******************************************************************************
* BindCtx_Construct (local function)
*******************************************************************************/
HRESULT WINAPI BindCtxImpl_Construct(BindCtxImpl* This)
{
TRACE(ole,"(%p)\n",This);
/* Initialize the virtual function table.*/
This->lpvtbl = &VT_BindCtxImpl;
This->ref = 0;
/* Initialize the BIND_OPTS2 structure */
This->bindOption2.cbStruct = sizeof(BIND_OPTS2);
This->bindOption2.grfFlags = 0;
This->bindOption2.grfMode = STGM_READWRITE;
This->bindOption2.dwTickCountDeadline = 0;
This->bindOption2.dwTrackFlags = 0;
This->bindOption2.dwClassContext = CLSCTX_SERVER;
This->bindOption2.locale = 1033;
This->bindOption2.pServerInfo = 0;
/* Initialize the bindctx table */
This->bindCtxTableSize=BLOCK_TAB_SIZE;
This->bindCtxTableLastIndex=0;
This->bindCtxTable= HeapAlloc(GetProcessHeap(), 0,This->bindCtxTableSize*sizeof(BindCtxObject));
if (This->bindCtxTable==NULL)
return E_OUTOFMEMORY;
return S_OK;
}
/******************************************************************************
* BindCtx_Destroy (local function)
*******************************************************************************/
HRESULT WINAPI BindCtxImpl_Destroy(BindCtxImpl* This)
{
TRACE(ole,"(%p)\n",This);
/* free the table space memory */
HeapFree(GetProcessHeap(),0,This->bindCtxTable);
/* free the bindctx structure */
HeapFree(GetProcessHeap(),0,This);
return S_OK;
}
/******************************************************************************
* BindCtx_RegisterObjectBound
******************************************************************************/
HRESULT WINAPI BindCtxImpl_RegisterObjectBound(IBindCtx* iface,IUnknown* punk)
{
ICOM_THIS(BindCtxImpl,iface);
DWORD lastIndex=This->bindCtxTableLastIndex;
BindCtxObject cell;
TRACE(ole,"(%p,%p)\n",This,punk);
if (punk==NULL)
return E_POINTER;
IUnknown_AddRef(punk);
/* put the object in the first free element in the table */
This->bindCtxTable[lastIndex].pObj = punk;
This->bindCtxTable[lastIndex].pkeyObj = NULL;
This->bindCtxTable[lastIndex].regType = 0;
cell=This->bindCtxTable[lastIndex];
lastIndex= ++This->bindCtxTableLastIndex;
if (lastIndex == This->bindCtxTableSize){ /* the table is full so it must be resized */
if (This->bindCtxTableSize > (MAX_TAB_SIZE-BLOCK_TAB_SIZE)){
FIXME(ole,"This->bindCtxTableSize: %ld is out of data limite \n",This->bindCtxTableSize);
return E_FAIL;
}
This->bindCtxTableSize+=BLOCK_TAB_SIZE; /* new table size */
This->bindCtxTable = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,This->bindCtxTable,
This->bindCtxTableSize * sizeof(BindCtxObject));
if (!This->bindCtxTable)
return E_OUTOFMEMORY;
}
return S_OK;
}
/******************************************************************************
* BindCtx_RevokeObjectBound
******************************************************************************/
HRESULT WINAPI BindCtxImpl_RevokeObjectBound(IBindCtx* iface, IUnknown* punk)
{
DWORD index,j;
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p)\n",This,punk);
/* check if the object was registred or not */
if (BindCtxImpl_GetObjectIndex(This,punk,NULL,&index)==S_FALSE)
return MK_E_NOTBOUND;
IUnknown_Release(This->bindCtxTable[index].pObj);
/* left-shift all elements in the rigth side of the curent revoked object */
for(j=index; j<This->bindCtxTableLastIndex-1; j++)
This->bindCtxTable[j]= This->bindCtxTable[j+1];
This->bindCtxTableLastIndex--;
return S_OK;
}
/******************************************************************************
* BindCtx_ReleaseBoundObjects
******************************************************************************/
HRESULT WINAPI BindCtxImpl_ReleaseBoundObjects(IBindCtx* iface)
{
DWORD i;
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p)\n",This);
for(i=0;i<This->bindCtxTableLastIndex;i++)
IUnknown_Release(This->bindCtxTable[i].pObj);
This->bindCtxTableLastIndex = 0;
return S_OK;
}
/******************************************************************************
* BindCtx_SetBindOptions
******************************************************************************/
HRESULT WINAPI BindCtxImpl_SetBindOptions(IBindCtx* iface,LPBIND_OPTS2 pbindopts)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p)\n",This,pbindopts);
if (pbindopts==NULL)
return E_POINTER;
This->bindOption2=*pbindopts;
return S_OK;
}
/******************************************************************************
* BindCtx_GetBindOptions
******************************************************************************/
HRESULT WINAPI BindCtxImpl_GetBindOptions(IBindCtx* iface,LPBIND_OPTS2 pbindopts)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p)\n",This,pbindopts);
if (pbindopts==NULL)
return E_POINTER;
*pbindopts=This->bindOption2;
return S_OK;
}
/******************************************************************************
* BindCtx_GetRunningObjectTable
******************************************************************************/
HRESULT WINAPI BindCtxImpl_GetRunningObjectTable(IBindCtx* iface,IRunningObjectTable** pprot)
{
HRESULT res;
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p)\n",This,pprot);
if (pprot==NULL)
return E_POINTER;
res=GetRunningObjectTable(0,(LPVOID*)pprot);
return res;
}
/******************************************************************************
* BindCtx_RegisterObjectParam
******************************************************************************/
HRESULT WINAPI BindCtxImpl_RegisterObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown* punk)
{
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,pszkey,punk);
if (punk==NULL)
return E_INVALIDARG;
IUnknown_AddRef(punk);
This->bindCtxTable[This->bindCtxTableLastIndex].pObj = punk;
This->bindCtxTable[This->bindCtxTableLastIndex].regType = 1;
if (pszkey==NULL)
This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj=NULL;
else{
This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj=
HeapAlloc(GetProcessHeap(),0,(sizeof(WCHAR)*(1+lstrlenW(pszkey))));
if (This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj==NULL)
return E_OUTOFMEMORY;
lstrcpyW(This->bindCtxTable[This->bindCtxTableLastIndex].pkeyObj,pszkey);
}
This->bindCtxTableLastIndex++;
if (This->bindCtxTableLastIndex == This->bindCtxTableSize){ /* table is full ! must be resized */
This->bindCtxTableSize+=BLOCK_TAB_SIZE; /* new table size */
if (This->bindCtxTableSize > (MAX_TAB_SIZE-BLOCK_TAB_SIZE)){
FIXME(ole,"This->bindCtxTableSize: %ld is out of data limite \n",This->bindCtxTableSize);
return E_FAIL;
}
This->bindCtxTable = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,This->bindCtxTable,
This->bindCtxTableSize * sizeof(BindCtxObject));
if (!This->bindCtxTable)
return E_OUTOFMEMORY;
}
return S_OK;
}
/******************************************************************************
* BindCtx_GetObjectParam
******************************************************************************/
HRESULT WINAPI BindCtxImpl_GetObjectParam(IBindCtx* iface,LPOLESTR pszkey, IUnknown** punk)
{
DWORD index;
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p,%p)\n",This,pszkey,punk);
if (punk==NULL)
return E_POINTER;
*punk=0;
if (BindCtxImpl_GetObjectIndex(This,NULL,pszkey,&index)==S_FALSE)
return E_FAIL;
IUnknown_AddRef(This->bindCtxTable[index].pObj);
*punk = This->bindCtxTable[index].pObj;
return S_OK;
}
/******************************************************************************
* BindCtx_RevokeObjectParam
******************************************************************************/
HRESULT WINAPI BindCtxImpl_RevokeObjectParam(IBindCtx* iface,LPOLESTR ppenum)
{
DWORD index,j;
ICOM_THIS(BindCtxImpl,iface);
TRACE(ole,"(%p,%p)\n",This,ppenum);
if (BindCtxImpl_GetObjectIndex(This,NULL,ppenum,&index)==S_FALSE)
return E_FAIL;
/* release the object if it's found */
IUnknown_Release(This->bindCtxTable[index].pObj);
/* remove the object from the table with a left-shifting of all objects in the right side */
for(j=index; j<This->bindCtxTableLastIndex-1; j++)
This->bindCtxTable[j]= This->bindCtxTable[j+1];
This->bindCtxTableLastIndex--;
return S_OK;
}
/******************************************************************************
* BindCtx_EnumObjectParam
******************************************************************************/
HRESULT WINAPI BindCtxImpl_EnumObjectParam(IBindCtx* iface,IEnumString** pszkey)
{
FIXME(ole,"(%p,%p),stub!\n",iface,pszkey);
return E_NOTIMPL;
}
/********************************************************************************
* GetObjectIndex (local function)
********************************************************************************/
HRESULT WINAPI BindCtxImpl_GetObjectIndex(BindCtxImpl* This,
IUnknown* punk,
LPOLESTR pszkey,
DWORD *index)
{
DWORD i;
BYTE found=0;
TRACE(ole,"(%p,%p,%p,%p)\n",This,punk,pszkey,index);
if (punk==NULL)
/* search object identified by a register key */
for(i=0; ( (i<This->bindCtxTableLastIndex) && (!found));i++){
if(This->bindCtxTable[i].regType==1){
if ( ( (This->bindCtxTable[i].pkeyObj==NULL) && (pszkey==NULL) ) ||
( (This->bindCtxTable[i].pkeyObj!=NULL) &&
(pszkey!=NULL) &&
(lstrcmpW(This->bindCtxTable[i].pkeyObj,pszkey)==0)
)
)
found=1;
}
}
else
/* search object identified by a moniker*/
for(i=0; ( (i<This->bindCtxTableLastIndex) && (!found));i++)
if(This->bindCtxTable[i].pObj==punk)
found=1;
if (index != NULL)
*index=i-1;
if (found)
return S_OK;
else
return S_FALSE;
}
/******************************************************************************
* CreateBindCtx16
******************************************************************************/
HRESULT WINAPI CreateBindCtx16(DWORD reserved, LPBC * ppbc)
{
FIXME(ole,"(%ld,%p),stub!\n",reserved,ppbc);
return E_NOTIMPL;
}
/******************************************************************************
* CreateBindCtx
******************************************************************************/
HRESULT WINAPI CreateBindCtx(DWORD reserved, LPBC * ppbc)
{
BindCtxImpl* newBindCtx = 0;
HRESULT hr;
IID riid=IID_IBindCtx;
TRACE(ole,"(%ld,%p)\n",reserved,ppbc);
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;
}
hr = BindCtxImpl_QueryInterface((IBindCtx*)newBindCtx,&riid,(void**)ppbc);
return hr;
}
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