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841 lines
22 KiB
C
841 lines
22 KiB
C
/*
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* XPath/XSLPattern query result node list implementation
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*
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* Copyright 2005 Mike McCormack
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* Copyright 2007 Mikolaj Zalewski
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* Copyright 2010 Adam Martinson for CodeWeavers
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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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#ifdef HAVE_LIBXML2
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# include <libxml/parser.h>
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# include <libxml/xmlerror.h>
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# include <libxml/xpath.h>
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# include <libxml/xpathInternals.h>
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#endif
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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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#include "msxml6.h"
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#include "msxml2did.h"
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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
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*
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*/
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#ifdef HAVE_LIBXML2
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WINE_DEFAULT_DEBUG_CHANNEL(msxml);
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int registerNamespaces(xmlXPathContextPtr ctxt);
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xmlChar* XSLPattern_to_XPath(xmlXPathContextPtr ctxt, xmlChar const* xslpat_str);
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typedef struct
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{
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IEnumVARIANT IEnumVARIANT_iface;
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LONG ref;
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IUnknown *outer;
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BOOL own;
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LONG pos;
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const struct enumvariant_funcs *funcs;
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} enumvariant;
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typedef struct
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{
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DispatchEx dispex;
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IXMLDOMSelection IXMLDOMSelection_iface;
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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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IEnumVARIANT *enumvariant;
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} domselection;
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static HRESULT selection_get_item(IUnknown *iface, LONG index, VARIANT* item)
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{
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V_VT(item) = VT_DISPATCH;
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return IXMLDOMSelection_get_item((IXMLDOMSelection*)iface, index, (IXMLDOMNode**)&V_DISPATCH(item));
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}
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static HRESULT selection_next(IUnknown *iface)
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{
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IXMLDOMNode *node;
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HRESULT hr = IXMLDOMSelection_nextNode((IXMLDOMSelection*)iface, &node);
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if (hr == S_OK) IXMLDOMNode_Release(node);
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return hr;
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}
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static const struct enumvariant_funcs selection_enumvariant = {
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selection_get_item,
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selection_next
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};
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static inline domselection *impl_from_IXMLDOMSelection( IXMLDOMSelection *iface )
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{
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return CONTAINING_RECORD(iface, domselection, IXMLDOMSelection_iface);
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}
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static inline enumvariant *impl_from_IEnumVARIANT( IEnumVARIANT *iface )
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{
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return CONTAINING_RECORD(iface, enumvariant, IEnumVARIANT_iface);
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}
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static HRESULT WINAPI domselection_QueryInterface(
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IXMLDOMSelection *iface,
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REFIID riid,
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void** ppvObject )
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
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if(!ppvObject)
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return E_INVALIDARG;
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if ( IsEqualGUID( riid, &IID_IUnknown ) ||
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IsEqualGUID( riid, &IID_IXMLDOMNodeList ) ||
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IsEqualGUID( riid, &IID_IXMLDOMSelection ))
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{
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*ppvObject = &This->IXMLDOMSelection_iface;
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}
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else if (IsEqualGUID( riid, &IID_IEnumVARIANT ))
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{
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if (!This->enumvariant)
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{
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HRESULT hr = create_enumvariant((IUnknown*)iface, FALSE, &selection_enumvariant, &This->enumvariant);
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if (FAILED(hr)) return hr;
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}
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return IEnumVARIANT_QueryInterface(This->enumvariant, &IID_IEnumVARIANT, ppvObject);
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}
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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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else
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{
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TRACE("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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IXMLDOMSelection_AddRef( iface );
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return S_OK;
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}
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static ULONG WINAPI domselection_AddRef(
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IXMLDOMSelection *iface )
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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ULONG ref = InterlockedIncrement( &This->ref );
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI domselection_Release(
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IXMLDOMSelection *iface )
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", 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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if (This->enumvariant) IEnumVARIANT_Release(This->enumvariant);
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heap_free(This);
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}
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return ref;
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}
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static HRESULT WINAPI domselection_GetTypeInfoCount(
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IXMLDOMSelection *iface,
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UINT* pctinfo )
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
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}
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static HRESULT WINAPI domselection_GetTypeInfo(
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IXMLDOMSelection *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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domselection *This = impl_from_IXMLDOMSelection( iface );
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return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
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iTInfo, lcid, ppTInfo);
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}
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static HRESULT WINAPI domselection_GetIDsOfNames(
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IXMLDOMSelection *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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domselection *This = impl_from_IXMLDOMSelection( iface );
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return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
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riid, rgszNames, cNames, lcid, rgDispId);
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}
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static HRESULT WINAPI domselection_Invoke(
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IXMLDOMSelection *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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domselection *This = impl_from_IXMLDOMSelection( iface );
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return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
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dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
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}
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static HRESULT WINAPI domselection_get_item(
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IXMLDOMSelection* iface,
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LONG index,
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IXMLDOMNode** listItem)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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TRACE("(%p)->(%d %p)\n", This, index, listItem);
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if(!listItem)
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return E_INVALIDARG;
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*listItem = NULL;
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if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval))
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return S_FALSE;
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*listItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, index));
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This->resultPos = index + 1;
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return S_OK;
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}
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static HRESULT WINAPI domselection_get_length(
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IXMLDOMSelection* iface,
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LONG* listLength)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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TRACE("(%p)->(%p)\n", This, listLength);
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if(!listLength)
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return E_INVALIDARG;
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*listLength = xmlXPathNodeSetGetLength(This->result->nodesetval);
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return S_OK;
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}
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static HRESULT WINAPI domselection_nextNode(
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IXMLDOMSelection* iface,
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IXMLDOMNode** nextItem)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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TRACE("(%p)->(%p)\n", This, nextItem );
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if(!nextItem)
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return E_INVALIDARG;
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*nextItem = NULL;
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if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval))
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return S_FALSE;
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*nextItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, This->resultPos));
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This->resultPos++;
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return S_OK;
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}
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static HRESULT WINAPI domselection_reset(
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IXMLDOMSelection* iface)
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{
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domselection *This = impl_from_IXMLDOMSelection( 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 domselection_get__newEnum(
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IXMLDOMSelection* iface,
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IUnknown** enumv)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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TRACE("(%p)->(%p)\n", This, enumv);
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return create_enumvariant((IUnknown*)iface, TRUE, &selection_enumvariant, (IEnumVARIANT**)enumv);
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}
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static HRESULT WINAPI domselection_get_expr(
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IXMLDOMSelection* iface,
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BSTR *p)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, p);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_put_expr(
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IXMLDOMSelection* iface,
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BSTR p)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%s)\n", This, debugstr_w(p));
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_get_context(
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IXMLDOMSelection* iface,
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IXMLDOMNode **node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_putref_context(
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IXMLDOMSelection* iface,
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IXMLDOMNode *node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_peekNode(
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IXMLDOMSelection* iface,
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IXMLDOMNode **node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_matches(
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IXMLDOMSelection* iface,
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IXMLDOMNode *node,
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IXMLDOMNode **out_node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p %p)\n", This, node, out_node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_removeNext(
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IXMLDOMSelection* iface,
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IXMLDOMNode **node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_removeAll(
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IXMLDOMSelection* iface)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)\n", This);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_clone(
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IXMLDOMSelection* iface,
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IXMLDOMSelection **node)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%p)\n", This, node);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_getProperty(
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IXMLDOMSelection* iface,
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BSTR p,
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VARIANT *var)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%s %p)\n", This, debugstr_w(p), var);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI domselection_setProperty(
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IXMLDOMSelection* iface,
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BSTR p,
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VARIANT var)
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{
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domselection *This = impl_from_IXMLDOMSelection( iface );
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FIXME("(%p)->(%s %s)\n", This, debugstr_w(p), debugstr_variant(&var));
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return E_NOTIMPL;
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}
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static const struct IXMLDOMSelectionVtbl domselection_vtbl =
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{
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domselection_QueryInterface,
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domselection_AddRef,
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domselection_Release,
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domselection_GetTypeInfoCount,
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domselection_GetTypeInfo,
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domselection_GetIDsOfNames,
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domselection_Invoke,
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domselection_get_item,
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domselection_get_length,
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domselection_nextNode,
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domselection_reset,
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domselection_get__newEnum,
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domselection_get_expr,
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domselection_put_expr,
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domselection_get_context,
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domselection_putref_context,
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domselection_peekNode,
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domselection_matches,
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domselection_removeNext,
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domselection_removeAll,
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domselection_clone,
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domselection_getProperty,
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domselection_setProperty
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};
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/* IEnumVARIANT support */
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static HRESULT WINAPI enumvariant_QueryInterface(
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IEnumVARIANT *iface,
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REFIID riid,
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void** ppvObject )
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{
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enumvariant *This = impl_from_IEnumVARIANT( iface );
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
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*ppvObject = NULL;
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if (IsEqualGUID( riid, &IID_IUnknown ))
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{
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if (This->own)
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*ppvObject = &This->IEnumVARIANT_iface;
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else
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return IUnknown_QueryInterface(This->outer, riid, ppvObject);
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}
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else if (IsEqualGUID( riid, &IID_IEnumVARIANT ))
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{
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*ppvObject = &This->IEnumVARIANT_iface;
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}
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else
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return IUnknown_QueryInterface(This->outer, riid, ppvObject);
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IEnumVARIANT_AddRef( iface );
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return S_OK;
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}
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static ULONG WINAPI enumvariant_AddRef(IEnumVARIANT *iface )
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{
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enumvariant *This = impl_from_IEnumVARIANT( iface );
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ULONG ref = InterlockedIncrement( &This->ref );
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI enumvariant_Release(IEnumVARIANT *iface )
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{
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enumvariant *This = impl_from_IEnumVARIANT( iface );
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if ( ref == 0 )
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{
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if (This->own) IUnknown_Release(This->outer);
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heap_free(This);
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}
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return ref;
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}
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static HRESULT WINAPI enumvariant_Next(
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IEnumVARIANT *iface,
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ULONG celt,
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VARIANT *var,
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ULONG *fetched)
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{
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enumvariant *This = impl_from_IEnumVARIANT( iface );
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ULONG ret_count = 0;
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TRACE("(%p)->(%u %p %p)\n", This, celt, var, fetched);
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if (fetched) *fetched = 0;
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if (celt && !var) return E_INVALIDARG;
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for (; celt > 0; celt--, var++, This->pos++)
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{
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HRESULT hr = This->funcs->get_item(This->outer, This->pos, var);
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if (hr != S_OK)
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{
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V_VT(var) = VT_EMPTY;
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break;
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}
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ret_count++;
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}
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if (fetched) (*fetched)++;
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/* we need to advance one step more for some reason */
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if (ret_count)
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{
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if (This->funcs->next)
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This->funcs->next(This->outer);
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}
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return celt == 0 ? S_OK : S_FALSE;
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}
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static HRESULT WINAPI enumvariant_Skip(
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IEnumVARIANT *iface,
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ULONG celt)
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{
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enumvariant *This = impl_from_IEnumVARIANT( iface );
|
|
FIXME("(%p)->(%u): stub\n", This, celt);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI enumvariant_Reset(IEnumVARIANT *iface)
|
|
{
|
|
enumvariant *This = impl_from_IEnumVARIANT( iface );
|
|
FIXME("(%p): stub\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI enumvariant_Clone(
|
|
IEnumVARIANT *iface, IEnumVARIANT **ppenum)
|
|
{
|
|
enumvariant *This = impl_from_IEnumVARIANT( iface );
|
|
FIXME("(%p)->(%p): stub\n", This, ppenum);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const struct IEnumVARIANTVtbl EnumVARIANTVtbl =
|
|
{
|
|
enumvariant_QueryInterface,
|
|
enumvariant_AddRef,
|
|
enumvariant_Release,
|
|
enumvariant_Next,
|
|
enumvariant_Skip,
|
|
enumvariant_Reset,
|
|
enumvariant_Clone
|
|
};
|
|
|
|
HRESULT create_enumvariant(IUnknown *outer, BOOL own, const struct enumvariant_funcs *funcs, IEnumVARIANT **penum)
|
|
{
|
|
enumvariant *This;
|
|
|
|
This = heap_alloc(sizeof(enumvariant));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IEnumVARIANT_iface.lpVtbl = &EnumVARIANTVtbl;
|
|
This->ref = 0;
|
|
This->outer = outer;
|
|
This->own = own;
|
|
This->pos = 0;
|
|
This->funcs = funcs;
|
|
|
|
if (This->own)
|
|
IUnknown_AddRef(This->outer);
|
|
|
|
*penum = &This->IEnumVARIANT_iface;
|
|
IEnumVARIANT_AddRef(*penum);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT domselection_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
|
|
{
|
|
WCHAR *ptr;
|
|
int idx = 0;
|
|
|
|
for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
|
|
idx = idx*10 + (*ptr-'0');
|
|
if(*ptr)
|
|
return DISP_E_UNKNOWNNAME;
|
|
|
|
*dispid = DISPID_DOM_COLLECTION_BASE + idx;
|
|
TRACE("ret %x\n", *dispid);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT domselection_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
|
|
VARIANT *res, EXCEPINFO *ei)
|
|
{
|
|
domselection *This = impl_from_IXMLDOMSelection( (IXMLDOMSelection*)iface );
|
|
|
|
TRACE("(%p)->(%x %x %x %p %p %p)\n", This, id, lcid, flags, params, res, ei);
|
|
|
|
V_VT(res) = VT_DISPATCH;
|
|
V_DISPATCH(res) = NULL;
|
|
|
|
if (id < DISPID_DOM_COLLECTION_BASE || id > DISPID_DOM_COLLECTION_MAX)
|
|
return DISP_E_UNKNOWNNAME;
|
|
|
|
switch(flags)
|
|
{
|
|
case INVOKE_PROPERTYGET:
|
|
{
|
|
IXMLDOMNode *disp = NULL;
|
|
|
|
IXMLDOMSelection_get_item(&This->IXMLDOMSelection_iface, id - DISPID_DOM_COLLECTION_BASE, &disp);
|
|
V_DISPATCH(res) = (IDispatch*)disp;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
FIXME("unimplemented flags %x\n", flags);
|
|
break;
|
|
}
|
|
}
|
|
|
|
TRACE("ret %p\n", V_DISPATCH(res));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const dispex_static_data_vtbl_t domselection_dispex_vtbl = {
|
|
domselection_get_dispid,
|
|
domselection_invoke
|
|
};
|
|
|
|
static const tid_t domselection_iface_tids[] = {
|
|
IXMLDOMSelection_tid,
|
|
0
|
|
};
|
|
static dispex_static_data_t domselection_dispex = {
|
|
&domselection_dispex_vtbl,
|
|
IXMLDOMSelection_tid,
|
|
NULL,
|
|
domselection_iface_tids
|
|
};
|
|
|
|
#define XSLPATTERN_CHECK_ARGS(n) \
|
|
if (nargs != n) { \
|
|
FIXME("XSLPattern syntax error: Expected %i arguments, got %i\n", n, nargs); \
|
|
xmlXPathSetArityError(pctx); \
|
|
return; \
|
|
}
|
|
|
|
|
|
static void XSLPattern_index(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
XSLPATTERN_CHECK_ARGS(0);
|
|
|
|
xmlXPathPositionFunction(pctx, 0);
|
|
xmlXPathReturnNumber(pctx, xmlXPathPopNumber(pctx) - 1.0);
|
|
}
|
|
|
|
static void XSLPattern_end(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
double pos, last;
|
|
XSLPATTERN_CHECK_ARGS(0);
|
|
|
|
xmlXPathPositionFunction(pctx, 0);
|
|
pos = xmlXPathPopNumber(pctx);
|
|
xmlXPathLastFunction(pctx, 0);
|
|
last = xmlXPathPopNumber(pctx);
|
|
xmlXPathReturnBoolean(pctx, pos == last);
|
|
}
|
|
|
|
static void XSLPattern_nodeType(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
XSLPATTERN_CHECK_ARGS(0);
|
|
xmlXPathReturnNumber(pctx, pctx->context->node->type);
|
|
}
|
|
|
|
static void XSLPattern_OP_IEq(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) == 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void XSLPattern_OP_INEq(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) != 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void XSLPattern_OP_ILt(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) < 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void XSLPattern_OP_ILEq(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) <= 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void XSLPattern_OP_IGt(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) > 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void XSLPattern_OP_IGEq(xmlXPathParserContextPtr pctx, int nargs)
|
|
{
|
|
xmlChar *arg1, *arg2;
|
|
XSLPATTERN_CHECK_ARGS(2);
|
|
|
|
arg2 = xmlXPathPopString(pctx);
|
|
arg1 = xmlXPathPopString(pctx);
|
|
xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) >= 0);
|
|
xmlFree(arg1);
|
|
xmlFree(arg2);
|
|
}
|
|
|
|
static void query_serror(void* ctx, xmlErrorPtr err)
|
|
{
|
|
LIBXML2_CALLBACK_SERROR(domselection_create, err);
|
|
}
|
|
|
|
HRESULT create_selection(xmlNodePtr node, xmlChar* query, IXMLDOMNodeList **out)
|
|
{
|
|
domselection *This = heap_alloc(sizeof(domselection));
|
|
xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc);
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p, %s, %p)\n", node, debugstr_a((char const*)query), out);
|
|
|
|
*out = NULL;
|
|
if (!This || !ctxt || !query)
|
|
{
|
|
xmlXPathFreeContext(ctxt);
|
|
heap_free(This);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
This->IXMLDOMSelection_iface.lpVtbl = &domselection_vtbl;
|
|
This->ref = 1;
|
|
This->resultPos = 0;
|
|
This->node = node;
|
|
This->enumvariant = NULL;
|
|
init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSelection_iface, &domselection_dispex);
|
|
xmldoc_add_ref(This->node->doc);
|
|
|
|
ctxt->error = query_serror;
|
|
ctxt->node = node;
|
|
registerNamespaces(ctxt);
|
|
|
|
if (is_xpathmode(This->node->doc))
|
|
{
|
|
xmlXPathRegisterAllFunctions(ctxt);
|
|
This->result = xmlXPathEvalExpression(query, ctxt);
|
|
}
|
|
else
|
|
{
|
|
xmlChar* pattern_query = XSLPattern_to_XPath(ctxt, query);
|
|
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"not", xmlXPathNotFunction);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"boolean", xmlXPathBooleanFunction);
|
|
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"index", XSLPattern_index);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"end", XSLPattern_end);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"nodeType", XSLPattern_nodeType);
|
|
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IEq", XSLPattern_OP_IEq);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_INEq", XSLPattern_OP_INEq);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILt", XSLPattern_OP_ILt);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILEq", XSLPattern_OP_ILEq);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGt", XSLPattern_OP_IGt);
|
|
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGEq", XSLPattern_OP_IGEq);
|
|
|
|
This->result = xmlXPathEvalExpression(pattern_query, ctxt);
|
|
xmlFree(pattern_query);
|
|
}
|
|
|
|
if (!This->result || This->result->type != XPATH_NODESET)
|
|
{
|
|
hr = E_FAIL;
|
|
goto cleanup;
|
|
}
|
|
|
|
*out = (IXMLDOMNodeList*)&This->IXMLDOMSelection_iface;
|
|
hr = S_OK;
|
|
TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
|
|
|
|
cleanup:
|
|
if (This && FAILED(hr))
|
|
IXMLDOMSelection_Release( &This->IXMLDOMSelection_iface );
|
|
xmlXPathFreeContext(ctxt);
|
|
return hr;
|
|
}
|
|
|
|
#endif
|