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reactos/dll/win32/oleaut32/recinfo.c

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/*
* Copyright 2005 Jacek Caban
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "oaidl.h"
#include "oleauto.h"
#include "variant.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
typedef struct {
enum VARENUM vt;
VARKIND varkind;
ULONG offset;
BSTR name;
} fieldstr;
typedef struct {
IRecordInfo IRecordInfo_iface;
LONG ref;
GUID guid;
UINT lib_index;
WORD n_vars;
ULONG size;
BSTR name;
fieldstr *fields;
ITypeInfo *pTypeInfo;
} IRecordInfoImpl;
static inline IRecordInfoImpl *impl_from_IRecordInfo(IRecordInfo *iface)
{
return CONTAINING_RECORD(iface, IRecordInfoImpl, IRecordInfo_iface);
}
static HRESULT copy_to_variant(void *src, VARIANT *pvar, enum VARENUM vt)
{
TRACE("%p %p %d\n", src, pvar, vt);
#define CASE_COPY(x) \
case VT_ ## x: \
memcpy(&V_ ## x(pvar), src, sizeof(V_ ## x(pvar))); \
break
switch(vt) {
CASE_COPY(I2);
CASE_COPY(I4);
CASE_COPY(R4);
CASE_COPY(R8);
CASE_COPY(CY);
CASE_COPY(DATE);
CASE_COPY(BSTR);
CASE_COPY(ERROR);
CASE_COPY(BOOL);
CASE_COPY(DECIMAL);
CASE_COPY(I1);
CASE_COPY(UI1);
CASE_COPY(UI2);
CASE_COPY(UI4);
CASE_COPY(I8);
CASE_COPY(UI8);
CASE_COPY(INT);
CASE_COPY(UINT);
CASE_COPY(INT_PTR);
CASE_COPY(UINT_PTR);
default:
FIXME("Not supported type: %d\n", vt);
return E_NOTIMPL;
};
#undef CASE_COPY
V_VT(pvar) = vt;
return S_OK;
}
static HRESULT copy_from_variant(VARIANT *src, void *dest, enum VARENUM vt)
{
VARIANT var;
HRESULT hres;
TRACE("(%p(%d) %p %d)\n", src, V_VT(src), dest, vt);
hres = VariantChangeType(&var, src, 0, vt);
if(FAILED(hres))
return hres;
#define CASE_COPY(x) \
case VT_ ## x: \
memcpy(dest, &V_ ## x(&var), sizeof(V_ ## x(&var))); \
break
switch(vt) {
CASE_COPY(I2);
CASE_COPY(I4);
CASE_COPY(R4);
CASE_COPY(R8);
CASE_COPY(CY);
CASE_COPY(DATE);
CASE_COPY(BSTR);
CASE_COPY(ERROR);
CASE_COPY(BOOL);
CASE_COPY(DECIMAL);
CASE_COPY(I1);
CASE_COPY(UI1);
CASE_COPY(UI2);
CASE_COPY(UI4);
CASE_COPY(I8);
CASE_COPY(UI8);
CASE_COPY(INT);
CASE_COPY(UINT);
CASE_COPY(INT_PTR);
CASE_COPY(UINT_PTR);
default:
FIXME("Not supported type: %d\n", V_VT(&var));
return E_NOTIMPL;
};
#undef CASE_COPY
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_QueryInterface(IRecordInfo *iface, REFIID riid,
void **ppvObject)
{
TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
*ppvObject = NULL;
if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IRecordInfo, riid)) {
*ppvObject = iface;
IRecordInfo_AddRef(iface);
return S_OK;
}
FIXME("Not supported interface: %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI IRecordInfoImpl_AddRef(IRecordInfo *iface)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) -> %d\n", This, ref);
return ref;
}
static ULONG WINAPI IRecordInfoImpl_Release(IRecordInfo *iface)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) -> %d\n", This, ref);
if(!ref) {
int i;
for(i=0; i<This->n_vars; i++)
SysFreeString(This->fields[i].name);
SysFreeString(This->name);
HeapFree(GetProcessHeap(), 0, This->fields);
ITypeInfo_Release(This->pTypeInfo);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI IRecordInfoImpl_RecordInit(IRecordInfo *iface, PVOID pvNew)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p)\n", This, pvNew);
if(!pvNew)
return E_INVALIDARG;
memset(pvNew, 0, This->size);
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_RecordClear(IRecordInfo *iface, PVOID pvExisting)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
int i;
PVOID var;
TRACE("(%p)->(%p)\n", This, pvExisting);
if(!pvExisting)
return E_INVALIDARG;
for(i=0; i<This->n_vars; i++) {
if(This->fields[i].varkind != VAR_PERINSTANCE) {
ERR("varkind != VAR_PERINSTANCE\n");
continue;
}
var = ((PBYTE)pvExisting)+This->fields[i].offset;
switch(This->fields[i].vt) {
case VT_BSTR:
SysFreeString(*(BSTR*)var);
*(BSTR*)var = NULL;
break;
case VT_I2:
case VT_I4:
case VT_R4:
case VT_R8:
case VT_CY:
case VT_DATE:
case VT_ERROR:
case VT_BOOL:
case VT_DECIMAL:
case VT_I1:
case VT_UI1:
case VT_UI2:
case VT_UI4:
case VT_I8:
case VT_UI8:
case VT_INT:
case VT_UINT:
case VT_HRESULT:
break;
case VT_INT_PTR:
case VT_UINT_PTR:
*(void**)var = NULL;
break;
case VT_SAFEARRAY:
SafeArrayDestroy(var);
break;
case VT_UNKNOWN:
case VT_DISPATCH:
{
IUnknown *unk = *(IUnknown**)var;
if (unk)
IUnknown_Release(unk);
*(void**)var = NULL;
break;
}
default:
FIXME("Not supported vt = %d\n", This->fields[i].vt);
break;
}
}
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_RecordCopy(IRecordInfo *iface, void *src_rec, void *dest_rec)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
HRESULT hr = S_OK;
int i;
TRACE("(%p)->(%p %p)\n", This, src_rec, dest_rec);
if(!src_rec || !dest_rec)
return E_INVALIDARG;
/* release already stored data */
IRecordInfo_RecordClear(iface, dest_rec);
for (i = 0; i < This->n_vars; i++)
{
void *src, *dest;
if (This->fields[i].varkind != VAR_PERINSTANCE) {
ERR("varkind != VAR_PERINSTANCE\n");
continue;
}
src = ((BYTE*)src_rec) + This->fields[i].offset;
dest = ((BYTE*)dest_rec) + This->fields[i].offset;
switch (This->fields[i].vt)
{
case VT_BSTR:
{
BSTR src_str = *(BSTR*)src;
if (src_str)
{
BSTR str = SysAllocString(*(BSTR*)src);
if (!str) hr = E_OUTOFMEMORY;
*(BSTR*)dest = str;
}
else
*(BSTR*)dest = NULL;
break;
}
case VT_UNKNOWN:
case VT_DISPATCH:
{
IUnknown *unk = *(IUnknown**)src;
*(IUnknown**)dest = unk;
if (unk) IUnknown_AddRef(unk);
break;
}
case VT_SAFEARRAY:
hr = SafeArrayCopy(src, dest);
break;
default:
{
/* copy directly for types that don't need deep copy */
int len = get_type_size(NULL, This->fields[i].vt);
memcpy(dest, src, len);
break;
}
}
if (FAILED(hr)) break;
}
if (FAILED(hr))
IRecordInfo_RecordClear(iface, dest_rec);
return hr;
}
static HRESULT WINAPI IRecordInfoImpl_GetGuid(IRecordInfo *iface, GUID *pguid)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p)\n", This, pguid);
if(!pguid)
return E_INVALIDARG;
*pguid = This->guid;
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_GetName(IRecordInfo *iface, BSTR *pbstrName)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p)\n", This, pbstrName);
if(!pbstrName)
return E_INVALIDARG;
*pbstrName = SysAllocString(This->name);
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_GetSize(IRecordInfo *iface, ULONG *pcbSize)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p)\n", This, pcbSize);
if(!pcbSize)
return E_INVALIDARG;
*pcbSize = This->size;
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_GetTypeInfo(IRecordInfo *iface, ITypeInfo **ppTypeInfo)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p)\n", This, ppTypeInfo);
if(!ppTypeInfo)
return E_INVALIDARG;
ITypeInfo_AddRef(This->pTypeInfo);
*ppTypeInfo = This->pTypeInfo;
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_GetField(IRecordInfo *iface, PVOID pvData,
LPCOLESTR szFieldName, VARIANT *pvarField)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
int i;
TRACE("(%p)->(%p %s %p)\n", This, pvData, debugstr_w(szFieldName), pvarField);
if(!pvData || !szFieldName || !pvarField)
return E_INVALIDARG;
for(i=0; i<This->n_vars; i++)
if(!wcscmp(This->fields[i].name, szFieldName))
break;
if(i == This->n_vars)
return TYPE_E_FIELDNOTFOUND;
VariantClear(pvarField);
return copy_to_variant(((PBYTE)pvData)+This->fields[i].offset, pvarField,
This->fields[i].vt);
}
static HRESULT WINAPI IRecordInfoImpl_GetFieldNoCopy(IRecordInfo *iface, PVOID pvData,
LPCOLESTR szFieldName, VARIANT *pvarField, PVOID *ppvDataCArray)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
int i;
TRACE("(%p)->(%p %s %p %p)\n", This, pvData, debugstr_w(szFieldName), pvarField, ppvDataCArray);
if(!pvData || !szFieldName || !pvarField)
return E_INVALIDARG;
for(i=0; i<This->n_vars; i++)
if(!wcscmp(This->fields[i].name, szFieldName))
break;
if(i == This->n_vars)
return TYPE_E_FIELDNOTFOUND;
VariantClear(pvarField);
V_VT(pvarField) = VT_BYREF|This->fields[i].vt;
V_BYREF(pvarField) = ((PBYTE)pvData)+This->fields[i].offset;
*ppvDataCArray = NULL;
return S_OK;
}
static HRESULT WINAPI IRecordInfoImpl_PutField(IRecordInfo *iface, ULONG wFlags, PVOID pvData,
LPCOLESTR szFieldName, VARIANT *pvarField)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
int i;
TRACE("(%p)->(%08x %p %s %p)\n", This, wFlags, pvData, debugstr_w(szFieldName),
pvarField);
if(!pvData || !szFieldName || !pvarField
|| (wFlags != INVOKE_PROPERTYPUTREF && wFlags != INVOKE_PROPERTYPUT))
return E_INVALIDARG;
if(wFlags == INVOKE_PROPERTYPUTREF) {
FIXME("wFlag == INVOKE_PROPERTYPUTREF not supported\n");
return E_NOTIMPL;
}
for(i=0; i<This->n_vars; i++)
if(!wcscmp(This->fields[i].name, szFieldName))
break;
if(i == This->n_vars)
return TYPE_E_FIELDNOTFOUND;
return copy_from_variant(pvarField, ((PBYTE)pvData)+This->fields[i].offset,
This->fields[i].vt);
}
static HRESULT WINAPI IRecordInfoImpl_PutFieldNoCopy(IRecordInfo *iface, ULONG wFlags,
PVOID pvData, LPCOLESTR szFieldName, VARIANT *pvarField)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
int i;
FIXME("(%p)->(%08x %p %s %p) stub\n", This, wFlags, pvData, debugstr_w(szFieldName), pvarField);
if(!pvData || !szFieldName || !pvarField
|| (wFlags != INVOKE_PROPERTYPUTREF && wFlags != INVOKE_PROPERTYPUT))
return E_INVALIDARG;
for(i=0; i<This->n_vars; i++)
if(!wcscmp(This->fields[i].name, szFieldName))
break;
if(i == This->n_vars)
return TYPE_E_FIELDNOTFOUND;
return E_NOTIMPL;
}
static HRESULT WINAPI IRecordInfoImpl_GetFieldNames(IRecordInfo *iface, ULONG *pcNames,
BSTR *rgBstrNames)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
ULONG n = This->n_vars, i;
TRACE("(%p)->(%p %p)\n", This, pcNames, rgBstrNames);
if(!pcNames)
return E_INVALIDARG;
if(*pcNames < n)
n = *pcNames;
if(rgBstrNames) {
for(i=0; i<n; i++)
rgBstrNames[i] = SysAllocString(This->fields[i].name);
}
*pcNames = n;
return S_OK;
}
static BOOL WINAPI IRecordInfoImpl_IsMatchingType(IRecordInfo *iface, IRecordInfo *info2)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
GUID guid2;
TRACE( "(%p)->(%p)\n", This, info2 );
IRecordInfo_GetGuid( info2, &guid2 );
return IsEqualGUID( &This->guid, &guid2 );
}
static PVOID WINAPI IRecordInfoImpl_RecordCreate(IRecordInfo *iface)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
void *record;
TRACE("(%p)\n", This);
record = HeapAlloc(GetProcessHeap(), 0, This->size);
IRecordInfo_RecordInit(iface, record);
TRACE("created record at %p\n", record);
return record;
}
static HRESULT WINAPI IRecordInfoImpl_RecordCreateCopy(IRecordInfo *iface, PVOID pvSource,
PVOID *ppvDest)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
TRACE("(%p)->(%p %p)\n", This, pvSource, ppvDest);
if(!pvSource || !ppvDest)
return E_INVALIDARG;
*ppvDest = IRecordInfo_RecordCreate(iface);
return IRecordInfo_RecordCopy(iface, pvSource, *ppvDest);
}
static HRESULT WINAPI IRecordInfoImpl_RecordDestroy(IRecordInfo *iface, PVOID pvRecord)
{
IRecordInfoImpl *This = impl_from_IRecordInfo(iface);
HRESULT hres;
TRACE("(%p)->(%p)\n", This, pvRecord);
hres = IRecordInfo_RecordClear(iface, pvRecord);
if(FAILED(hres))
return hres;
if(!HeapFree(GetProcessHeap(), 0, pvRecord))
return E_INVALIDARG;
return S_OK;
}
static const IRecordInfoVtbl IRecordInfoImplVtbl = {
IRecordInfoImpl_QueryInterface,
IRecordInfoImpl_AddRef,
IRecordInfoImpl_Release,
IRecordInfoImpl_RecordInit,
IRecordInfoImpl_RecordClear,
IRecordInfoImpl_RecordCopy,
IRecordInfoImpl_GetGuid,
IRecordInfoImpl_GetName,
IRecordInfoImpl_GetSize,
IRecordInfoImpl_GetTypeInfo,
IRecordInfoImpl_GetField,
IRecordInfoImpl_GetFieldNoCopy,
IRecordInfoImpl_PutField,
IRecordInfoImpl_PutFieldNoCopy,
IRecordInfoImpl_GetFieldNames,
IRecordInfoImpl_IsMatchingType,
IRecordInfoImpl_RecordCreate,
IRecordInfoImpl_RecordCreateCopy,
IRecordInfoImpl_RecordDestroy
};
/******************************************************************************
* GetRecordInfoFromGuids [OLEAUT32.322]
*
* RETURNS
* Success: S_OK
* Failure: E_INVALIDARG, if any argument is invalid.
*/
HRESULT WINAPI GetRecordInfoFromGuids(REFGUID rGuidTypeLib, ULONG uVerMajor,
ULONG uVerMinor, LCID lcid, REFGUID rGuidTypeInfo, IRecordInfo** ppRecInfo)
{
ITypeInfo *pTypeInfo;
ITypeLib *pTypeLib;
HRESULT hres;
TRACE("(%p,%d,%d,%d,%s,%p)\n", rGuidTypeLib, uVerMajor, uVerMinor,
lcid, debugstr_guid(rGuidTypeInfo), ppRecInfo);
hres = LoadRegTypeLib(rGuidTypeLib, uVerMajor, uVerMinor, lcid, &pTypeLib);
if(FAILED(hres)) {
WARN("LoadRegTypeLib failed!\n");
return hres;
}
hres = ITypeLib_GetTypeInfoOfGuid(pTypeLib, rGuidTypeInfo, &pTypeInfo);
ITypeLib_Release(pTypeLib);
if(FAILED(hres)) {
WARN("GetTypeInfoOfGuid failed!\n");
return hres;
}
hres = GetRecordInfoFromTypeInfo(pTypeInfo, ppRecInfo);
ITypeInfo_Release(pTypeInfo);
return hres;
}
/******************************************************************************
* GetRecordInfoFromTypeInfo [OLEAUT32.332]
*/
HRESULT WINAPI GetRecordInfoFromTypeInfo(ITypeInfo* pTI, IRecordInfo** ppRecInfo) {
HRESULT hres;
TYPEATTR *typeattr;
IRecordInfoImpl *ret;
ITypeInfo *pTypeInfo;
int i;
GUID guid;
TRACE("(%p %p)\n", pTI, ppRecInfo);
if(!pTI || !ppRecInfo)
return E_INVALIDARG;
hres = ITypeInfo_GetTypeAttr(pTI, &typeattr);
if(FAILED(hres) || !typeattr) {
WARN("GetTypeAttr failed: %08x\n", hres);
return hres;
}
if(typeattr->typekind == TKIND_ALIAS) {
hres = ITypeInfo_GetRefTypeInfo(pTI, typeattr->tdescAlias.u.hreftype, &pTypeInfo);
guid = typeattr->guid;
ITypeInfo_ReleaseTypeAttr(pTI, typeattr);
if(FAILED(hres)) {
WARN("GetRefTypeInfo failed: %08x\n", hres);
return hres;
}
hres = ITypeInfo_GetTypeAttr(pTypeInfo, &typeattr);
if(FAILED(hres)) {
ITypeInfo_Release(pTypeInfo);
WARN("GetTypeAttr failed for referenced type: %08x\n", hres);
return hres;
}
}else {
pTypeInfo = pTI;
ITypeInfo_AddRef(pTypeInfo);
guid = typeattr->guid;
}
if(typeattr->typekind != TKIND_RECORD) {
WARN("typekind != TKIND_RECORD\n");
ITypeInfo_ReleaseTypeAttr(pTypeInfo, typeattr);
ITypeInfo_Release(pTypeInfo);
return E_INVALIDARG;
}
ret = HeapAlloc(GetProcessHeap(), 0, sizeof(*ret));
ret->IRecordInfo_iface.lpVtbl = &IRecordInfoImplVtbl;
ret->ref = 1;
ret->pTypeInfo = pTypeInfo;
ret->n_vars = typeattr->cVars;
ret->size = typeattr->cbSizeInstance;
ITypeInfo_ReleaseTypeAttr(pTypeInfo, typeattr);
ret->guid = guid;
/* NOTE: Windows implementation calls ITypeInfo::GetCantainingTypeLib and
* ITypeLib::GetLibAttr, but we currently don't need this.
*/
hres = ITypeInfo_GetDocumentation(pTypeInfo, MEMBERID_NIL, &ret->name, NULL, NULL, NULL);
if(FAILED(hres)) {
WARN("ITypeInfo::GetDocumentation failed\n");
ret->name = NULL;
}
ret->fields = HeapAlloc(GetProcessHeap(), 0, ret->n_vars*sizeof(fieldstr));
for(i = 0; i<ret->n_vars; i++) {
VARDESC *vardesc;
hres = ITypeInfo_GetVarDesc(pTypeInfo, i, &vardesc);
if(FAILED(hres)) {
WARN("GetVarDesc failed\n");
continue;
}
ret->fields[i].vt = vardesc->elemdescVar.tdesc.vt;
ret->fields[i].varkind = vardesc->varkind;
ret->fields[i].offset = vardesc->u.oInst;
hres = ITypeInfo_GetDocumentation(pTypeInfo, vardesc->memid, &ret->fields[i].name,
NULL, NULL, NULL);
if(FAILED(hres))
WARN("GetDocumentation failed: %08x\n", hres);
TRACE("field=%s, offset=%d\n", debugstr_w(ret->fields[i].name), ret->fields[i].offset);
ITypeInfo_ReleaseVarDesc(pTypeInfo, vardesc);
}
*ppRecInfo = &ret->IRecordInfo_iface;
return S_OK;
}
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