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Sweden-Number/dlls/oleaut32/dispatch.c

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/**
* Dispatch API functions
*
* Copyright 2000 Francois Jacques, Macadamian Technologies Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO: Type coercion is implemented in variant.c but not called yet.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "windef.h"
#include "oleauto.h"
#include "winerror.h"
#include "winreg.h" /* for HKEY_LOCAL_MACHINE */
#include "winnls.h" /* for PRIMARYLANGID */
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
WINE_DECLARE_DEBUG_CHANNEL(typelib);
static IDispatch * WINAPI StdDispatch_Construct(IUnknown * punkOuter, void * pvThis, ITypeInfo * pTypeInfo);
/******************************************************************************
* DispInvoke (OLEAUT32.30)
*
*
* Calls method of an object through its IDispatch interface.
*
* NOTES
* - Defer method invocation to ITypeInfo::Invoke()
*
* RETURNS
*
* S_OK on success.
*/
HRESULT WINAPI DispInvoke(
VOID *_this, /* [in] object instance */
ITypeInfo *ptinfo, /* [in] object's type info */
DISPID dispidMember, /* [in] member id */
USHORT wFlags, /* [in] kind of method call */
DISPPARAMS *pparams, /* [in] array of arguments */
VARIANT *pvarResult, /* [out] result of method call */
EXCEPINFO *pexcepinfo, /* [out] information about exception */
UINT *puArgErr) /* [out] index of bad argument(if any) */
{
HRESULT hr = E_FAIL;
/**
* TODO:
* For each param, call DispGetParam to perform type coercion
*/
FIXME("Coercion of arguments not implemented\n");
hr = ICOM_CALL7(Invoke,
ptinfo,
_this,
dispidMember,
wFlags,
pparams, pvarResult, pexcepinfo, puArgErr);
return (hr);
}
/******************************************************************************
* DispGetIDsOfNames (OLEAUT32.29)
*
* Convert a set of names to dispids, based on information
* contained in object's type library.
*
* NOTES
* - Defers to ITypeInfo::GetIDsOfNames()
*
* RETURNS
*
* S_OK on success.
*/
HRESULT WINAPI DispGetIDsOfNames(
ITypeInfo *ptinfo, /* [in] */
OLECHAR **rgszNames, /* [in] */
UINT cNames, /* [in] */
DISPID *rgdispid) /* [out] */
{
HRESULT hr = E_FAIL;
hr = ICOM_CALL3(GetIDsOfNames,
ptinfo,
rgszNames,
cNames,
rgdispid);
return (hr);
}
/******************************************************************************
* DispGetParam (OLEAUT32.28)
*
* Retrive a parameter from a DISPPARAMS structures and coerce it to
* specified variant type
*
* NOTES
* Coercion is done using system (0) locale.
*
* RETURNS
*
* S_OK on success.
*/
HRESULT WINAPI DispGetParam(
DISPPARAMS *pdispparams, /* [in] */
UINT position, /* [in] */
VARTYPE vtTarg, /* [in] */
VARIANT *pvarResult, /* [out] */
UINT *puArgErr) /* [out] */
{
/* position is counted backwards */
UINT pos;
HRESULT hr;
TRACE("position=%d, cArgs=%d, cNamedArgs=%d\n",
position, pdispparams->cArgs, pdispparams->cNamedArgs);
if (position < pdispparams->cArgs) {
/* positional arg? */
pos = pdispparams->cArgs - position - 1;
} else {
/* FIXME: is this how to handle named args? */
for (pos=0; pos<pdispparams->cNamedArgs; pos++)
if (pdispparams->rgdispidNamedArgs[pos] == position) break;
if (pos==pdispparams->cNamedArgs)
return DISP_E_PARAMNOTFOUND;
}
hr = VariantChangeType(pvarResult,
&pdispparams->rgvarg[pos],
0, vtTarg);
if (hr == DISP_E_TYPEMISMATCH) *puArgErr = pos;
return hr;
}
/******************************************************************************
* CreateStdDispatch [OLEAUT32.32]
*/
HRESULT WINAPI CreateStdDispatch(
IUnknown* punkOuter,
void* pvThis,
ITypeInfo* ptinfo,
IUnknown** ppunkStdDisp)
{
TRACE("(%p, %p, %p, %p)\n", punkOuter, pvThis, ptinfo, ppunkStdDisp);
*ppunkStdDisp = (LPUNKNOWN)StdDispatch_Construct(punkOuter, pvThis, ptinfo);
if (!*ppunkStdDisp)
return E_OUTOFMEMORY;
return S_OK;
}
/******************************************************************************
* CreateDispTypeInfo [OLEAUT32.31]
*/
HRESULT WINAPI CreateDispTypeInfo(
INTERFACEDATA *pidata,
LCID lcid,
ITypeInfo **pptinfo)
{
FIXME("(%p,%ld,%p),stub\n",pidata,lcid,pptinfo);
return 0;
}
typedef struct
{
ICOM_VFIELD(IDispatch);
IUnknown * outerUnknown;
void * pvThis;
ITypeInfo * pTypeInfo;
ULONG ref;
} StdDispatch;
static HRESULT WINAPI StdDispatch_QueryInterface(
LPDISPATCH iface,
REFIID riid,
void** ppvObject)
{
ICOM_THIS(StdDispatch, iface);
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObject);
if (This->outerUnknown)
return IUnknown_QueryInterface(This->outerUnknown, riid, ppvObject);
if (IsEqualIID(riid, &IID_IDispatch) ||
IsEqualIID(riid, &IID_IUnknown))
{
*ppvObject = (LPVOID)This;
IUnknown_AddRef((LPUNKNOWN)*ppvObject);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI StdDispatch_AddRef(LPDISPATCH iface)
{
ICOM_THIS(StdDispatch, iface);
TRACE("()\n");
This->ref++;
if (This->outerUnknown)
return IUnknown_AddRef(This->outerUnknown);
else
return This->ref;
}
static ULONG WINAPI StdDispatch_Release(LPDISPATCH iface)
{
ICOM_THIS(StdDispatch, iface);
ULONG ret;
TRACE("(%p)->()\n", This);
This->ref--;
if (This->outerUnknown)
ret = IUnknown_Release(This->outerUnknown);
else
ret = This->ref;
if (This->ref <= 0)
CoTaskMemFree(This);
return ret;
}
static HRESULT WINAPI StdDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
{
TRACE("(%p)\n", pctinfo);
*pctinfo = 1;
return S_OK;
}
static HRESULT WINAPI StdDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
{
ICOM_THIS(StdDispatch, iface);
TRACE("(%d, %lx, %p)\n", iTInfo, lcid, ppTInfo);
if (iTInfo != 0)
return DISP_E_BADINDEX;
*ppTInfo = This->pTypeInfo;
return S_OK;
}
static HRESULT WINAPI StdDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
{
ICOM_THIS(StdDispatch, iface);
TRACE("(%s, %p, %d, 0x%lx, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
if (!IsEqualGUID(riid, &IID_NULL))
{
FIXME(" expected riid == IID_NULL\n");
return E_INVALIDARG;
}
return DispGetIDsOfNames(This->pTypeInfo, rgszNames, cNames, rgDispId);
}
static HRESULT WINAPI StdDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult, EXCEPINFO * pExcepInfo, UINT * puArgErr)
{
ICOM_THIS(StdDispatch, iface);
TRACE("(%ld, %s, 0x%lx, 0x%x, %p, %p, %p, %p)\n", dispIdMember, debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
if (!IsEqualGUID(riid, &IID_NULL))
{
FIXME(" expected riid == IID_NULL\n");
return E_INVALIDARG;
}
return DispInvoke(This->pvThis, This->pTypeInfo, dispIdMember, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static ICOM_VTABLE(IDispatch) StdDispatch_VTable =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
StdDispatch_QueryInterface,
StdDispatch_AddRef,
StdDispatch_Release,
StdDispatch_GetTypeInfoCount,
StdDispatch_GetTypeInfo,
StdDispatch_GetIDsOfNames,
StdDispatch_Invoke
};
static IDispatch * WINAPI StdDispatch_Construct(
IUnknown * punkOuter,
void * pvThis,
ITypeInfo * pTypeInfo)
{
StdDispatch * pStdDispatch;
pStdDispatch = CoTaskMemAlloc(sizeof(StdDispatch));
if (!pStdDispatch)
return (IDispatch *)pStdDispatch;
pStdDispatch->lpVtbl = &StdDispatch_VTable;
pStdDispatch->outerUnknown = punkOuter;
pStdDispatch->pvThis = pvThis;
pStdDispatch->pTypeInfo = pTypeInfo;
pStdDispatch->ref = 1;
return (IDispatch *)pStdDispatch;
}
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