Sweden-Number/dlls/msxml3/selection.c

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/*
* XPath/XSLPattern query result node list implementation
*
* Copyright 2005 Mike McCormack
* Copyright 2007 Mikolaj Zalewski
* Copyright 2010 Adam Martinson for CodeWeavers
*
* 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
*/
#define COBJMACROS
#include <stdarg.h>
#include <libxml/parser.h>
#include <libxml/xmlerror.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "msxml6.h"
#include "msxml2did.h"
#include "msxml_private.h"
#include "wine/debug.h"
/* This file implements the object returned by a XPath query. Note that this is
* not the IXMLDOMNodeList returned by childNodes - it's implemented in nodelist.c.
* They are different because the list returned by XPath queries:
* - is static - gives the results for the XML tree as it existed during the
* execution of the query
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* - supports IXMLDOMSelection
*
*/
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
int registerNamespaces(xmlXPathContextPtr ctxt);
xmlChar* XSLPattern_to_XPath(xmlXPathContextPtr ctxt, xmlChar const* xslpat_str);
typedef struct
{
IEnumVARIANT IEnumVARIANT_iface;
LONG ref;
IUnknown *outer;
BOOL own;
LONG pos;
const struct enumvariant_funcs *funcs;
} enumvariant;
typedef struct
{
DispatchEx dispex;
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IXMLDOMSelection IXMLDOMSelection_iface;
LONG ref;
xmlNodePtr node;
xmlXPathObjectPtr result;
int resultPos;
IEnumVARIANT *enumvariant;
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} domselection;
static HRESULT selection_get_item(IUnknown *iface, LONG index, VARIANT* item)
{
V_VT(item) = VT_DISPATCH;
return IXMLDOMSelection_get_item((IXMLDOMSelection*)iface, index, (IXMLDOMNode**)&V_DISPATCH(item));
}
static HRESULT selection_next(IUnknown *iface)
{
IXMLDOMNode *node;
HRESULT hr = IXMLDOMSelection_nextNode((IXMLDOMSelection*)iface, &node);
if (hr == S_OK) IXMLDOMNode_Release(node);
return hr;
}
static const struct enumvariant_funcs selection_enumvariant = {
selection_get_item,
selection_next
};
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static inline domselection *impl_from_IXMLDOMSelection( IXMLDOMSelection *iface )
{
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return CONTAINING_RECORD(iface, domselection, IXMLDOMSelection_iface);
}
static inline enumvariant *impl_from_IEnumVARIANT( IEnumVARIANT *iface )
{
return CONTAINING_RECORD(iface, enumvariant, IEnumVARIANT_iface);
}
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static HRESULT WINAPI domselection_QueryInterface(
IXMLDOMSelection *iface,
REFIID riid,
void** ppvObject )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
if(!ppvObject)
return E_INVALIDARG;
if ( IsEqualGUID( riid, &IID_IUnknown ) ||
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IsEqualGUID( riid, &IID_IXMLDOMNodeList ) ||
IsEqualGUID( riid, &IID_IXMLDOMSelection ))
{
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*ppvObject = &This->IXMLDOMSelection_iface;
}
else if (IsEqualGUID( riid, &IID_IEnumVARIANT ))
{
if (!This->enumvariant)
{
HRESULT hr = create_enumvariant((IUnknown*)iface, FALSE, &selection_enumvariant, &This->enumvariant);
if (FAILED(hr)) return hr;
}
return IEnumVARIANT_QueryInterface(This->enumvariant, &IID_IEnumVARIANT, ppvObject);
}
else if (dispex_query_interface(&This->dispex, riid, ppvObject))
{
return *ppvObject ? S_OK : E_NOINTERFACE;
}
else
{
TRACE("interface %s not implemented\n", debugstr_guid(riid));
*ppvObject = NULL;
return E_NOINTERFACE;
}
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IXMLDOMSelection_AddRef( iface );
return S_OK;
}
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static ULONG WINAPI domselection_AddRef(
IXMLDOMSelection *iface )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
ULONG ref = InterlockedIncrement( &This->ref );
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
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static ULONG WINAPI domselection_Release(
IXMLDOMSelection *iface )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
if ( ref == 0 )
{
xmlXPathFreeObject(This->result);
xmldoc_release(This->node->doc);
if (This->enumvariant) IEnumVARIANT_Release(This->enumvariant);
heap_free(This);
}
return ref;
}
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static HRESULT WINAPI domselection_GetTypeInfoCount(
IXMLDOMSelection *iface,
UINT* pctinfo )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
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static HRESULT WINAPI domselection_GetTypeInfo(
IXMLDOMSelection *iface,
UINT iTInfo,
LCID lcid,
ITypeInfo** ppTInfo )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
iTInfo, lcid, ppTInfo);
}
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static HRESULT WINAPI domselection_GetIDsOfNames(
IXMLDOMSelection *iface,
REFIID riid,
LPOLESTR* rgszNames,
UINT cNames,
LCID lcid,
DISPID* rgDispId )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
riid, rgszNames, cNames, lcid, rgDispId);
}
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static HRESULT WINAPI domselection_Invoke(
IXMLDOMSelection *iface,
DISPID dispIdMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS* pDispParams,
VARIANT* pVarResult,
EXCEPINFO* pExcepInfo,
UINT* puArgErr )
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
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static HRESULT WINAPI domselection_get_item(
IXMLDOMSelection* iface,
LONG index,
IXMLDOMNode** listItem)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%d %p)\n", This, index, listItem);
if(!listItem)
return E_INVALIDARG;
*listItem = NULL;
if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval))
return S_FALSE;
*listItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, index));
This->resultPos = index + 1;
return S_OK;
}
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static HRESULT WINAPI domselection_get_length(
IXMLDOMSelection* iface,
LONG* listLength)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, listLength);
if(!listLength)
return E_INVALIDARG;
*listLength = xmlXPathNodeSetGetLength(This->result->nodesetval);
return S_OK;
}
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static HRESULT WINAPI domselection_nextNode(
IXMLDOMSelection* iface,
IXMLDOMNode** nextItem)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, nextItem );
if(!nextItem)
return E_INVALIDARG;
*nextItem = NULL;
if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval))
return S_FALSE;
*nextItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, This->resultPos));
This->resultPos++;
return S_OK;
}
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static HRESULT WINAPI domselection_reset(
IXMLDOMSelection* iface)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("%p\n", This);
This->resultPos = 0;
return S_OK;
}
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static HRESULT WINAPI domselection_get__newEnum(
IXMLDOMSelection* iface,
IUnknown** enumv)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, enumv);
return create_enumvariant((IUnknown*)iface, TRUE, &selection_enumvariant, (IEnumVARIANT**)enumv);
}
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static HRESULT WINAPI domselection_get_expr(
IXMLDOMSelection* iface,
BSTR *p)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, p);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_put_expr(
IXMLDOMSelection* iface,
BSTR p)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%s)\n", This, debugstr_w(p));
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_get_context(
IXMLDOMSelection* iface,
IXMLDOMNode **node)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_putref_context(
IXMLDOMSelection* iface,
IXMLDOMNode *node)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_peekNode(
IXMLDOMSelection* iface,
IXMLDOMNode **node)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_matches(
IXMLDOMSelection* iface,
IXMLDOMNode *node,
IXMLDOMNode **out_node)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p %p)\n", This, node, out_node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_removeNext(
IXMLDOMSelection* iface,
IXMLDOMNode **node)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_removeAll(
IXMLDOMSelection* iface)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)\n", This);
return E_NOTIMPL;
}
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static HRESULT WINAPI domselection_clone(
IXMLDOMSelection* iface,
IXMLDOMSelection **node)
{
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domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%p)\n", This, node);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_getProperty(
IXMLDOMSelection* iface,
BSTR p,
VARIANT *var)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%s %p)\n", This, debugstr_w(p), var);
return E_NOTIMPL;
}
static HRESULT WINAPI domselection_setProperty(
IXMLDOMSelection* iface,
BSTR p,
VARIANT var)
{
domselection *This = impl_from_IXMLDOMSelection( iface );
FIXME("(%p)->(%s %s)\n", This, debugstr_w(p), debugstr_variant(&var));
return E_NOTIMPL;
}
static const struct IXMLDOMSelectionVtbl domselection_vtbl =
{
domselection_QueryInterface,
domselection_AddRef,
domselection_Release,
domselection_GetTypeInfoCount,
domselection_GetTypeInfo,
domselection_GetIDsOfNames,
domselection_Invoke,
domselection_get_item,
domselection_get_length,
domselection_nextNode,
domselection_reset,
domselection_get__newEnum,
domselection_get_expr,
domselection_put_expr,
domselection_get_context,
domselection_putref_context,
domselection_peekNode,
domselection_matches,
domselection_removeNext,
domselection_removeAll,
domselection_clone,
domselection_getProperty,
domselection_setProperty
};
/* IEnumVARIANT support */
static HRESULT WINAPI enumvariant_QueryInterface(
IEnumVARIANT *iface,
REFIID riid,
void** ppvObject )
{
enumvariant *This = impl_from_IEnumVARIANT( iface );
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
*ppvObject = NULL;
if (IsEqualGUID( riid, &IID_IUnknown ))
{
if (This->own)
*ppvObject = &This->IEnumVARIANT_iface;
else
return IUnknown_QueryInterface(This->outer, riid, ppvObject);
}
else if (IsEqualGUID( riid, &IID_IEnumVARIANT ))
{
*ppvObject = &This->IEnumVARIANT_iface;
}
else
return IUnknown_QueryInterface(This->outer, riid, ppvObject);
IEnumVARIANT_AddRef( iface );
return S_OK;
}
static ULONG WINAPI enumvariant_AddRef(IEnumVARIANT *iface )
{
enumvariant *This = impl_from_IEnumVARIANT( iface );
ULONG ref = InterlockedIncrement( &This->ref );
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI enumvariant_Release(IEnumVARIANT *iface )
{
enumvariant *This = impl_from_IEnumVARIANT( iface );
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if ( ref == 0 )
{
if (This->own) IUnknown_Release(This->outer);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI enumvariant_Next(
IEnumVARIANT *iface,
ULONG celt,
VARIANT *var,
ULONG *fetched)
{
enumvariant *This = impl_from_IEnumVARIANT( iface );
ULONG ret_count = 0;
TRACE("(%p)->(%u %p %p)\n", This, celt, var, fetched);
if (fetched) *fetched = 0;
if (celt && !var) return E_INVALIDARG;
for (; celt > 0; celt--, var++, This->pos++)
{
HRESULT hr = This->funcs->get_item(This->outer, This->pos, var);
if (hr != S_OK)
{
V_VT(var) = VT_EMPTY;
break;
}
ret_count++;
}
if (fetched) *fetched = ret_count;
/* we need to advance one step more for some reason */
if (ret_count)
{
if (This->funcs->next)
This->funcs->next(This->outer);
}
return celt == 0 ? S_OK : S_FALSE;
}
static HRESULT WINAPI enumvariant_Skip(
IEnumVARIANT *iface,
ULONG celt)
{
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 );
TRACE("%p\n", This);
This->pos = 0;
return S_OK;
}
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;
}
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static HRESULT domselection_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
{
WCHAR *ptr;
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int idx = 0;
for(ptr = name; *ptr >= '0' && *ptr <= '9'; 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;
}
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static HRESULT domselection_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
VARIANT *res, EXCEPINFO *ei)
{
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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);
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V_DISPATCH(res) = (IDispatch*)disp;
break;
}
default:
{
FIXME("unimplemented flags %x\n", flags);
break;
}
}
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TRACE("ret %p\n", V_DISPATCH(res));
return S_OK;
}
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static const dispex_static_data_vtbl_t domselection_dispex_vtbl = {
domselection_get_dispid,
domselection_invoke
};
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static const tid_t domselection_iface_tids[] = {
IXMLDOMSelection_tid,
0
};
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static dispex_static_data_t domselection_dispex = {
&domselection_dispex_vtbl,
IXMLDOMSelection_tid,
NULL,
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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)
{
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LIBXML2_CALLBACK_SERROR(domselection_create, err);
}
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HRESULT create_selection(xmlNodePtr node, xmlChar* query, IXMLDOMNodeList **out)
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{
domselection *This = heap_alloc(sizeof(domselection));
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xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc);
HRESULT hr;
TRACE("(%p, %s, %p)\n", node, debugstr_a((char const*)query), out);
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*out = NULL;
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if (!This || !ctxt || !query)
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{
xmlXPathFreeContext(ctxt);
heap_free(This);
return E_OUTOFMEMORY;
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}
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This->IXMLDOMSelection_iface.lpVtbl = &domselection_vtbl;
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This->ref = 1;
This->resultPos = 0;
This->node = node;
This->enumvariant = NULL;
init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSelection_iface, &domselection_dispex);
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xmldoc_add_ref(This->node->doc);
ctxt->error = query_serror;
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ctxt->node = node;
registerNamespaces(ctxt);
if (is_xpathmode(This->node->doc))
{
xmlXPathRegisterAllFunctions(ctxt);
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This->result = xmlXPathEvalExpression(query, ctxt);
}
else
{
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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);
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This->result = xmlXPathEvalExpression(pattern_query, ctxt);
xmlFree(pattern_query);
}
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if (!This->result || This->result->type != XPATH_NODESET)
{
hr = E_FAIL;
goto cleanup;
}
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*out = (IXMLDOMNodeList*)&This->IXMLDOMSelection_iface;
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hr = S_OK;
TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
cleanup:
if (FAILED(hr))
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IXMLDOMSelection_Release( &This->IXMLDOMSelection_iface );
xmlXPathFreeContext(ctxt);
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return hr;
}