reactos/dll/win32/msxml3/domimpl.c

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/*
* DOM Document Implementation implementation
*
* Copyright 2007 Alistair Leslie-Hughes
*
* 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 "precomp.h"
#ifdef HAVE_LIBXML2
typedef struct _domimpl
{
DispatchEx dispex;
IXMLDOMImplementation IXMLDOMImplementation_iface;
LONG ref;
} domimpl;
static inline domimpl *impl_from_IXMLDOMImplementation( IXMLDOMImplementation *iface )
{
return CONTAINING_RECORD(iface, domimpl, IXMLDOMImplementation_iface);
}
static HRESULT WINAPI dimimpl_QueryInterface(
IXMLDOMImplementation *iface,
REFIID riid,
void** ppvObject )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
if ( IsEqualGUID( riid, &IID_IXMLDOMImplementation ) ||
IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = iface;
}
else if (dispex_query_interface(&This->dispex, riid, ppvObject))
{
return *ppvObject ? S_OK : E_NOINTERFACE;
}
else
{
TRACE("Unsupported interface %s\n", debugstr_guid(riid));
*ppvObject = NULL;
return E_NOINTERFACE;
}
IXMLDOMImplementation_AddRef( iface );
return S_OK;
}
static ULONG WINAPI dimimpl_AddRef(
IXMLDOMImplementation *iface )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
ULONG ref = InterlockedIncrement( &This->ref );
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dimimpl_Release(
IXMLDOMImplementation *iface )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
ULONG ref = InterlockedDecrement( &This->ref );
TRACE("(%p)->(%d)\n", This, ref);
if ( ref == 0 )
heap_free( This );
return ref;
}
static HRESULT WINAPI dimimpl_GetTypeInfoCount(
IXMLDOMImplementation *iface,
UINT* pctinfo )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
static HRESULT WINAPI dimimpl_GetTypeInfo(
IXMLDOMImplementation *iface,
UINT iTInfo, LCID lcid,
ITypeInfo** ppTInfo )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI dimimpl_GetIDsOfNames(
IXMLDOMImplementation *iface,
REFIID riid, LPOLESTR* rgszNames,
UINT cNames, LCID lcid, DISPID* rgDispId )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
riid, rgszNames, cNames, lcid, rgDispId);
}
static HRESULT WINAPI dimimpl_Invoke(
IXMLDOMImplementation *iface,
DISPID dispIdMember, REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
EXCEPINFO* pExcepInfo, UINT* puArgErr )
{
domimpl *This = impl_from_IXMLDOMImplementation( iface );
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static HRESULT WINAPI dimimpl_hasFeature(IXMLDOMImplementation* This, BSTR feature, BSTR version, VARIANT_BOOL *hasFeature)
{
static const WCHAR bVersion[] = {'1','.','0',0};
static const WCHAR bXML[] = {'X','M','L',0};
static const WCHAR bDOM[] = {'D','O','M',0};
static const WCHAR bMSDOM[] = {'M','S','-','D','O','M',0};
BOOL bValidFeature = FALSE;
BOOL bValidVersion = FALSE;
TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(feature), debugstr_w(version), hasFeature);
if(!feature || !hasFeature)
return E_INVALIDARG;
*hasFeature = VARIANT_FALSE;
if(!version || lstrcmpiW(version, bVersion) == 0)
bValidVersion = TRUE;
if(lstrcmpiW(feature, bXML) == 0 || lstrcmpiW(feature, bDOM) == 0 || lstrcmpiW(feature, bMSDOM) == 0)
bValidFeature = TRUE;
if(bValidVersion && bValidFeature)
*hasFeature = VARIANT_TRUE;
return S_OK;
}
static const struct IXMLDOMImplementationVtbl dimimpl_vtbl =
{
dimimpl_QueryInterface,
dimimpl_AddRef,
dimimpl_Release,
dimimpl_GetTypeInfoCount,
dimimpl_GetTypeInfo,
dimimpl_GetIDsOfNames,
dimimpl_Invoke,
dimimpl_hasFeature
};
static const tid_t dimimpl_iface_tids[] = {
IXMLDOMImplementation_tid,
0
};
static dispex_static_data_t dimimpl_dispex = {
NULL,
IXMLDOMImplementation_tid,
NULL,
dimimpl_iface_tids
};
IUnknown* create_doc_Implementation(void)
{
domimpl *This;
This = heap_alloc( sizeof *This );
if ( !This )
return NULL;
This->IXMLDOMImplementation_iface.lpVtbl = &dimimpl_vtbl;
This->ref = 1;
init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMImplementation_iface, &dimimpl_dispex);
return (IUnknown*)&This->IXMLDOMImplementation_iface;
}
#endif