159 lines
4.4 KiB
C
159 lines
4.4 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 "ole.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/obj_oleaut.h"
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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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/******************************************************************************
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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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hr = ICOM_CALL7(Invoke,
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ptinfo,
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_this,
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dispidMember,
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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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hr = ICOM_CALL3(GetIDsOfNames,
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ptinfo,
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rgszNames,
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cNames,
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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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