2007-05-11 17:03:13 +02:00
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/*
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* XPath query result node list implementation (TODO: XSLPattern support)
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*
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* Copyright 2005 Mike McCormack
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* Copyright 2007 Mikolaj Zalewski
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "config.h"
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ole2.h"
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2010-08-29 23:31:49 +02:00
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#include "msxml6.h"
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2007-05-11 17:03:13 +02:00
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#include "msxml_private.h"
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#include "wine/debug.h"
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/* This file implements the object returned by a XPath query. Note that this is
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* not the IXMLDOMNodeList returned by childNodes - it's implemented in nodelist.c.
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* They are different because the list returned by XPath queries:
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* - is static - gives the results for the XML tree as it existed during the
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* execution of the query
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* - supports IXMLDOMSelection (TODO)
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*
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* TODO: XSLPattern support
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*/
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WINE_DEFAULT_DEBUG_CHANNEL(msxml);
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#ifdef HAVE_LIBXML2
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#include <libxml/xpath.h>
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typedef struct _queryresult
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{
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2008-08-21 23:37:48 +02:00
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DispatchEx dispex;
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2007-05-11 17:03:13 +02:00
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const struct IXMLDOMNodeListVtbl *lpVtbl;
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LONG ref;
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xmlNodePtr node;
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xmlXPathObjectPtr result;
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int resultPos;
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} queryresult;
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static inline queryresult *impl_from_IXMLDOMNodeList( IXMLDOMNodeList *iface )
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{
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return (queryresult *)((char*)iface - FIELD_OFFSET(queryresult, lpVtbl));
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}
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2008-09-17 12:14:24 +02:00
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#define XMLQUERYRES(x) ((IXMLDOMNodeList*)&(x)->lpVtbl)
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2007-05-11 17:03:13 +02:00
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static HRESULT WINAPI queryresult_QueryInterface(
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IXMLDOMNodeList *iface,
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REFIID riid,
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void** ppvObject )
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{
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2008-08-21 23:37:48 +02:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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2010-02-17 07:40:40 +01:00
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TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
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2007-05-11 17:03:13 +02:00
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2008-07-02 08:15:55 +02:00
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if(!ppvObject)
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return E_INVALIDARG;
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2007-05-11 17:03:13 +02:00
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if ( IsEqualGUID( riid, &IID_IUnknown ) ||
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IsEqualGUID( riid, &IID_IXMLDOMNodeList ) )
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{
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*ppvObject = iface;
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}
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2008-08-21 23:37:48 +02:00
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else if(dispex_query_interface(&This->dispex, riid, ppvObject))
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{
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return *ppvObject ? S_OK : E_NOINTERFACE;
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}
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2007-05-11 17:03:13 +02:00
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else
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{
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FIXME("interface %s not implemented\n", debugstr_guid(riid));
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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IXMLDOMNodeList_AddRef( iface );
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return S_OK;
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}
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static ULONG WINAPI queryresult_AddRef(
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IXMLDOMNodeList *iface )
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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return InterlockedIncrement( &This->ref );
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}
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static ULONG WINAPI queryresult_Release(
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IXMLDOMNodeList *iface )
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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ULONG ref;
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ref = InterlockedDecrement(&This->ref);
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if ( ref == 0 )
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{
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xmlXPathFreeObject(This->result);
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xmldoc_release(This->node->doc);
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2008-08-21 23:37:48 +02:00
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heap_free(This);
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2007-05-11 17:03:13 +02:00
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}
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return ref;
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}
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static HRESULT WINAPI queryresult_GetTypeInfoCount(
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IXMLDOMNodeList *iface,
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UINT* pctinfo )
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{
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2008-02-19 02:32:36 +01:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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TRACE("(%p)->(%p)\n", This, pctinfo);
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*pctinfo = 1;
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return S_OK;
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2007-05-11 17:03:13 +02:00
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}
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static HRESULT WINAPI queryresult_GetTypeInfo(
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IXMLDOMNodeList *iface,
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UINT iTInfo,
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LCID lcid,
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ITypeInfo** ppTInfo )
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{
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2008-02-19 02:32:36 +01:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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HRESULT hr;
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TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
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hr = get_typeinfo(IXMLDOMNodeList_tid, ppTInfo);
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return hr;
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2007-05-11 17:03:13 +02:00
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}
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static HRESULT WINAPI queryresult_GetIDsOfNames(
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IXMLDOMNodeList *iface,
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REFIID riid,
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LPOLESTR* rgszNames,
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UINT cNames,
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LCID lcid,
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DISPID* rgDispId )
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{
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2008-02-19 02:32:36 +01:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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ITypeInfo *typeinfo;
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HRESULT hr;
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TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
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lcid, rgDispId);
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if(!rgszNames || cNames == 0 || !rgDispId)
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return E_INVALIDARG;
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hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo);
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if(SUCCEEDED(hr))
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{
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hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
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ITypeInfo_Release(typeinfo);
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}
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return hr;
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2007-05-11 17:03:13 +02:00
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}
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static HRESULT WINAPI queryresult_Invoke(
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IXMLDOMNodeList *iface,
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DISPID dispIdMember,
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REFIID riid,
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LCID lcid,
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WORD wFlags,
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DISPPARAMS* pDispParams,
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VARIANT* pVarResult,
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EXCEPINFO* pExcepInfo,
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UINT* puArgErr )
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{
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2008-02-19 02:32:36 +01:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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ITypeInfo *typeinfo;
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HRESULT hr;
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TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
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lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
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hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo);
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if(SUCCEEDED(hr))
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{
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hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
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pVarResult, pExcepInfo, puArgErr);
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ITypeInfo_Release(typeinfo);
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}
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return hr;
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2007-05-11 17:03:13 +02:00
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}
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static HRESULT WINAPI queryresult_get_item(
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IXMLDOMNodeList* iface,
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2009-03-09 23:28:16 +01:00
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LONG index,
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2007-05-11 17:03:13 +02:00
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IXMLDOMNode** listItem)
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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2010-02-17 07:40:40 +01:00
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TRACE("(%p)->(%d %p)\n", This, index, listItem);
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2007-05-11 17:03:13 +02:00
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2008-07-02 08:15:55 +02:00
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if(!listItem)
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return E_INVALIDARG;
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2007-05-11 17:03:13 +02:00
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*listItem = NULL;
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2008-07-02 02:22:36 +02:00
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if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval))
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2007-05-11 17:03:13 +02:00
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return S_FALSE;
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2010-06-12 23:45:52 +02:00
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*listItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, index));
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2007-05-11 17:04:43 +02:00
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This->resultPos = index + 1;
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2007-05-11 17:03:13 +02:00
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return S_OK;
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}
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static HRESULT WINAPI queryresult_get_length(
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IXMLDOMNodeList* iface,
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2009-03-09 23:28:16 +01:00
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LONG* listLength)
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2007-05-11 17:03:13 +02:00
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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2010-02-17 07:40:40 +01:00
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TRACE("(%p)->(%p)\n", This, listLength);
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2007-05-11 17:03:13 +02:00
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2008-07-02 08:15:55 +02:00
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if(!listLength)
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return E_INVALIDARG;
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2008-07-02 02:22:36 +02:00
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*listLength = xmlXPathNodeSetGetLength(This->result->nodesetval);
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2007-05-11 17:03:13 +02:00
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return S_OK;
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}
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static HRESULT WINAPI queryresult_nextNode(
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IXMLDOMNodeList* iface,
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IXMLDOMNode** nextItem)
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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2010-02-17 07:40:40 +01:00
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TRACE("(%p)->(%p)\n", This, nextItem );
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2007-05-11 17:03:13 +02:00
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2008-07-02 08:15:55 +02:00
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if(!nextItem)
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return E_INVALIDARG;
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2007-05-11 17:03:13 +02:00
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*nextItem = NULL;
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2008-07-02 02:22:36 +02:00
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if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval))
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2007-05-11 17:03:13 +02:00
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return S_FALSE;
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2010-06-12 23:45:52 +02:00
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*nextItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, This->resultPos));
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2007-05-11 17:03:13 +02:00
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This->resultPos++;
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return S_OK;
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}
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static HRESULT WINAPI queryresult_reset(
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IXMLDOMNodeList* iface)
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{
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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TRACE("%p\n", This);
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This->resultPos = 0;
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return S_OK;
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}
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static HRESULT WINAPI queryresult__newEnum(
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IXMLDOMNodeList* iface,
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IUnknown** ppUnk)
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{
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2010-02-17 07:40:40 +01:00
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queryresult *This = impl_from_IXMLDOMNodeList( iface );
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FIXME("(%p)->(%p)\n", This, ppUnk);
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2007-05-11 17:03:13 +02:00
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return E_NOTIMPL;
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}
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static const struct IXMLDOMNodeListVtbl queryresult_vtbl =
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{
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queryresult_QueryInterface,
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queryresult_AddRef,
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queryresult_Release,
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queryresult_GetTypeInfoCount,
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queryresult_GetTypeInfo,
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queryresult_GetIDsOfNames,
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queryresult_Invoke,
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queryresult_get_item,
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queryresult_get_length,
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queryresult_nextNode,
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queryresult_reset,
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queryresult__newEnum,
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};
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2008-08-24 03:36:46 +02:00
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static HRESULT queryresult_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
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{
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queryresult *This = impl_from_IXMLDOMNodeList( (IXMLDOMNodeList*)iface );
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WCHAR *ptr;
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2008-10-22 22:43:50 +02:00
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int idx = 0;
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2008-08-24 03:36:46 +02:00
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for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
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idx = idx*10 + (*ptr-'0');
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if(*ptr)
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return DISP_E_UNKNOWNNAME;
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if(idx >= xmlXPathNodeSetGetLength(This->result->nodesetval))
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return DISP_E_UNKNOWNNAME;
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*dispid = MSXML_DISPID_CUSTOM_MIN + idx;
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TRACE("ret %x\n", *dispid);
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return S_OK;
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}
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static HRESULT queryresult_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
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VARIANT *res, EXCEPINFO *ei)
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{
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queryresult *This = impl_from_IXMLDOMNodeList( (IXMLDOMNodeList*)iface );
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2008-09-17 12:14:24 +02:00
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TRACE("(%p)->(%x %x %x %p %p %p)\n", This, id, lcid, flags, params, res, ei);
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2008-08-24 03:36:46 +02:00
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V_VT(res) = VT_DISPATCH;
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2008-09-17 12:14:24 +02:00
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V_DISPATCH(res) = NULL;
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switch(flags)
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{
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case INVOKE_PROPERTYGET:
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{
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IXMLDOMNode *disp = NULL;
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queryresult_get_item(XMLQUERYRES(This), id - MSXML_DISPID_CUSTOM_MIN, &disp);
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2008-10-01 06:23:05 +02:00
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V_DISPATCH(res) = (IDispatch*)disp;
|
2008-09-17 12:14:24 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
{
|
|
|
|
FIXME("unimplemented flags %x\n", flags);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-10-01 06:23:05 +02:00
|
|
|
TRACE("ret %p\n", V_DISPATCH(res));
|
|
|
|
|
2008-08-24 03:36:46 +02:00
|
|
|
return S_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const dispex_static_data_vtbl_t queryresult_dispex_vtbl = {
|
|
|
|
queryresult_get_dispid,
|
|
|
|
queryresult_invoke
|
|
|
|
};
|
|
|
|
|
2008-08-21 23:37:48 +02:00
|
|
|
static const tid_t queryresult_iface_tids[] = {
|
|
|
|
IXMLDOMNodeList_tid,
|
|
|
|
0
|
|
|
|
};
|
|
|
|
static dispex_static_data_t queryresult_dispex = {
|
2008-08-24 03:36:46 +02:00
|
|
|
&queryresult_dispex_vtbl,
|
2009-08-29 15:02:19 +02:00
|
|
|
IXMLDOMSelection_tid,
|
2008-08-21 23:37:48 +02:00
|
|
|
NULL,
|
|
|
|
queryresult_iface_tids
|
|
|
|
};
|
|
|
|
|
2008-08-21 23:36:40 +02:00
|
|
|
HRESULT queryresult_create(xmlNodePtr node, LPWSTR szQuery, IXMLDOMNodeList **out)
|
|
|
|
{
|
2008-08-21 23:37:48 +02:00
|
|
|
queryresult *This = heap_alloc_zero(sizeof(queryresult));
|
2008-08-21 23:36:40 +02:00
|
|
|
xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc);
|
|
|
|
xmlChar *str = xmlChar_from_wchar(szQuery);
|
|
|
|
HRESULT hr;
|
|
|
|
|
|
|
|
TRACE("(%p, %s, %p)\n", node, wine_dbgstr_w(szQuery), out);
|
|
|
|
|
|
|
|
*out = NULL;
|
|
|
|
if (This == NULL || ctxt == NULL || str == NULL)
|
|
|
|
{
|
|
|
|
hr = E_OUTOFMEMORY;
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
This->lpVtbl = &queryresult_vtbl;
|
|
|
|
This->ref = 1;
|
|
|
|
This->resultPos = 0;
|
|
|
|
This->node = node;
|
|
|
|
xmldoc_add_ref(This->node->doc);
|
|
|
|
|
|
|
|
ctxt->node = node;
|
|
|
|
This->result = xmlXPathEval(str, ctxt);
|
|
|
|
if (!This->result || This->result->type != XPATH_NODESET)
|
|
|
|
{
|
|
|
|
hr = E_FAIL;
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
2008-08-21 23:37:48 +02:00
|
|
|
init_dispex(&This->dispex, (IUnknown*)&This->lpVtbl, &queryresult_dispex);
|
|
|
|
|
|
|
|
*out = (IXMLDOMNodeList *) &This->lpVtbl;
|
2008-08-21 23:36:40 +02:00
|
|
|
hr = S_OK;
|
|
|
|
TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
|
|
|
|
|
|
|
|
cleanup:
|
|
|
|
if (This != NULL && FAILED(hr))
|
|
|
|
IXMLDOMNodeList_Release( (IXMLDOMNodeList*) &This->lpVtbl );
|
2010-06-12 23:45:52 +02:00
|
|
|
xmlXPathFreeContext(ctxt);
|
2010-02-03 20:47:53 +01:00
|
|
|
heap_free(str);
|
2008-08-21 23:36:40 +02:00
|
|
|
return hr;
|
|
|
|
}
|
|
|
|
|
2007-05-11 17:03:13 +02:00
|
|
|
#endif
|