forked from Mirrors/wine-wine
316 lines
8.7 KiB
C
316 lines
8.7 KiB
C
/**
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* Dispatch API functions
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*
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* Copyright 2000 Francois Jacques, Macadamian Technologies Inc.
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO: Type coercion is implemented in variant.c but not called yet.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "windef.h"
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#include "objbase.h"
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#include "oleauto.h"
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#include "winerror.h"
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#include "winreg.h" /* for HKEY_LOCAL_MACHINE */
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#include "winnls.h" /* for PRIMARYLANGID */
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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WINE_DECLARE_DEBUG_CHANNEL(typelib);
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static IDispatch * WINAPI StdDispatch_Construct(IUnknown * punkOuter, void * pvThis, ITypeInfo * pTypeInfo);
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/******************************************************************************
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* DispInvoke (OLEAUT32.30)
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*
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*
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* Calls method of an object through its IDispatch interface.
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*
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* NOTES
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* - Defer method invocation to ITypeInfo::Invoke()
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*
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* RETURNS
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*
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* S_OK on success.
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*/
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HRESULT WINAPI DispInvoke(
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VOID *_this, /* [in] object instance */
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ITypeInfo *ptinfo, /* [in] object's type info */
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DISPID dispidMember, /* [in] member id */
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USHORT wFlags, /* [in] kind of method call */
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DISPPARAMS *pparams, /* [in] array of arguments */
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VARIANT *pvarResult, /* [out] result of method call */
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EXCEPINFO *pexcepinfo, /* [out] information about exception */
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UINT *puArgErr) /* [out] index of bad argument(if any) */
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{
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HRESULT hr = E_FAIL;
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/**
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* TODO:
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* For each param, call DispGetParam to perform type coercion
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*/
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FIXME("Coercion of arguments not implemented\n");
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ITypeInfo_Invoke(ptinfo, _this, dispidMember, wFlags,
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pparams, pvarResult, pexcepinfo, puArgErr);
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return (hr);
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}
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/******************************************************************************
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* DispGetIDsOfNames (OLEAUT32.29)
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*
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* Convert a set of names to dispids, based on information
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* contained in object's type library.
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*
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* NOTES
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* - Defers to ITypeInfo::GetIDsOfNames()
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*
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* RETURNS
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*
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* S_OK on success.
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*/
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HRESULT WINAPI DispGetIDsOfNames(
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ITypeInfo *ptinfo, /* [in] */
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OLECHAR **rgszNames, /* [in] */
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UINT cNames, /* [in] */
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DISPID *rgdispid) /* [out] */
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{
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HRESULT hr = E_FAIL;
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ITypeInfo_GetIDsOfNames(ptinfo, rgszNames, cNames, rgdispid);
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return (hr);
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}
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/******************************************************************************
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* DispGetParam (OLEAUT32.28)
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*
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* Retrive a parameter from a DISPPARAMS structures and coerce it to
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* specified variant type
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*
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* NOTES
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* Coercion is done using system (0) locale.
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*
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* RETURNS
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*
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* S_OK on success.
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*/
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HRESULT WINAPI DispGetParam(
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DISPPARAMS *pdispparams, /* [in] */
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UINT position, /* [in] */
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VARTYPE vtTarg, /* [in] */
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VARIANT *pvarResult, /* [out] */
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UINT *puArgErr) /* [out] */
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{
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/* position is counted backwards */
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UINT pos;
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HRESULT hr;
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TRACE("position=%d, cArgs=%d, cNamedArgs=%d\n",
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position, pdispparams->cArgs, pdispparams->cNamedArgs);
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if (position < pdispparams->cArgs) {
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/* positional arg? */
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pos = pdispparams->cArgs - position - 1;
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} else {
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/* FIXME: is this how to handle named args? */
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for (pos=0; pos<pdispparams->cNamedArgs; pos++)
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if (pdispparams->rgdispidNamedArgs[pos] == position) break;
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if (pos==pdispparams->cNamedArgs)
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return DISP_E_PARAMNOTFOUND;
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}
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hr = VariantChangeType(pvarResult,
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&pdispparams->rgvarg[pos],
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0, vtTarg);
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if (hr == DISP_E_TYPEMISMATCH) *puArgErr = pos;
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return hr;
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}
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/******************************************************************************
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* CreateStdDispatch [OLEAUT32.32]
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*/
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HRESULT WINAPI CreateStdDispatch(
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IUnknown* punkOuter,
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void* pvThis,
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ITypeInfo* ptinfo,
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IUnknown** ppunkStdDisp)
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{
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TRACE("(%p, %p, %p, %p)\n", punkOuter, pvThis, ptinfo, ppunkStdDisp);
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*ppunkStdDisp = (LPUNKNOWN)StdDispatch_Construct(punkOuter, pvThis, ptinfo);
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if (!*ppunkStdDisp)
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return E_OUTOFMEMORY;
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return S_OK;
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}
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/******************************************************************************
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* CreateDispTypeInfo [OLEAUT32.31]
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*/
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HRESULT WINAPI CreateDispTypeInfo(
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INTERFACEDATA *pidata,
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LCID lcid,
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ITypeInfo **pptinfo)
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{
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FIXME("(%p,%ld,%p),stub\n",pidata,lcid,pptinfo);
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return 0;
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}
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typedef struct
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{
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ICOM_VFIELD(IDispatch);
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IUnknown * outerUnknown;
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void * pvThis;
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ITypeInfo * pTypeInfo;
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ULONG ref;
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} StdDispatch;
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static HRESULT WINAPI StdDispatch_QueryInterface(
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LPDISPATCH iface,
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REFIID riid,
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void** ppvObject)
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{
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ICOM_THIS(StdDispatch, iface);
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TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObject);
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if (This->outerUnknown)
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return IUnknown_QueryInterface(This->outerUnknown, riid, ppvObject);
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if (IsEqualIID(riid, &IID_IDispatch) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*ppvObject = (LPVOID)This;
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IUnknown_AddRef((LPUNKNOWN)*ppvObject);
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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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static ULONG WINAPI StdDispatch_AddRef(LPDISPATCH iface)
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{
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ICOM_THIS(StdDispatch, iface);
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TRACE("()\n");
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This->ref++;
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if (This->outerUnknown)
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return IUnknown_AddRef(This->outerUnknown);
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else
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return This->ref;
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}
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static ULONG WINAPI StdDispatch_Release(LPDISPATCH iface)
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{
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ICOM_THIS(StdDispatch, iface);
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ULONG ret;
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TRACE("(%p)->()\n", This);
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This->ref--;
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if (This->outerUnknown)
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ret = IUnknown_Release(This->outerUnknown);
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else
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ret = This->ref;
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if (This->ref <= 0)
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CoTaskMemFree(This);
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return ret;
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}
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static HRESULT WINAPI StdDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
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{
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TRACE("(%p)\n", pctinfo);
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*pctinfo = 1;
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return S_OK;
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}
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static HRESULT WINAPI StdDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
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{
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ICOM_THIS(StdDispatch, iface);
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TRACE("(%d, %lx, %p)\n", iTInfo, lcid, ppTInfo);
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if (iTInfo != 0)
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return DISP_E_BADINDEX;
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*ppTInfo = This->pTypeInfo;
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return S_OK;
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}
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static HRESULT WINAPI StdDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
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{
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ICOM_THIS(StdDispatch, iface);
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TRACE("(%s, %p, %d, 0x%lx, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
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if (!IsEqualGUID(riid, &IID_NULL))
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{
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FIXME(" expected riid == IID_NULL\n");
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return E_INVALIDARG;
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}
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return DispGetIDsOfNames(This->pTypeInfo, rgszNames, cNames, rgDispId);
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}
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static HRESULT WINAPI StdDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult, EXCEPINFO * pExcepInfo, UINT * puArgErr)
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{
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ICOM_THIS(StdDispatch, iface);
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TRACE("(%ld, %s, 0x%lx, 0x%x, %p, %p, %p, %p)\n", dispIdMember, debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
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if (!IsEqualGUID(riid, &IID_NULL))
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{
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FIXME(" expected riid == IID_NULL\n");
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return E_INVALIDARG;
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}
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return DispInvoke(This->pvThis, This->pTypeInfo, dispIdMember, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
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}
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static ICOM_VTABLE(IDispatch) StdDispatch_VTable =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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StdDispatch_QueryInterface,
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StdDispatch_AddRef,
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StdDispatch_Release,
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StdDispatch_GetTypeInfoCount,
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StdDispatch_GetTypeInfo,
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StdDispatch_GetIDsOfNames,
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StdDispatch_Invoke
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};
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static IDispatch * WINAPI StdDispatch_Construct(
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IUnknown * punkOuter,
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void * pvThis,
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ITypeInfo * pTypeInfo)
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{
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StdDispatch * pStdDispatch;
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pStdDispatch = CoTaskMemAlloc(sizeof(StdDispatch));
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if (!pStdDispatch)
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return (IDispatch *)pStdDispatch;
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pStdDispatch->lpVtbl = &StdDispatch_VTable;
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pStdDispatch->outerUnknown = punkOuter;
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pStdDispatch->pvThis = pvThis;
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pStdDispatch->pTypeInfo = pTypeInfo;
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pStdDispatch->ref = 1;
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return (IDispatch *)pStdDispatch;
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}
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