359 lines
7.7 KiB
C
359 lines
7.7 KiB
C
/*
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* Node list implementation
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*
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* Copyright 2005 Mike McCormack
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*
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* iface 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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* iface 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 "winnls.h"
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#include "ole2.h"
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#include "ocidl.h"
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#include "msxml.h"
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#include "xmldom.h"
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#include "msxml.h"
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#include "msxml_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msxml);
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#ifdef HAVE_LIBXML2
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#ifdef HAVE_LIBXSLT
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#ifdef HAVE_LIBXSLT_PATTERN_H
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#include <libxslt/pattern.h>
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#endif
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#ifdef HAVE_LIBXSLT_TRANSFORM_H
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#include <libxslt/transform.h>
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#endif
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struct xslt_info {
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xsltTransformContextPtr ctxt;
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xsltCompMatchPtr pattern;
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xsltStylesheetPtr sheet;
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};
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static void xlst_info_init( struct xslt_info *info )
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{
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info->ctxt = NULL;
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info->pattern = NULL;
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info->sheet = NULL;
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}
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static int create_xslt_parser( struct xslt_info *info, xmlNodePtr node, const xmlChar *str )
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{
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info->sheet = xsltNewStylesheet();
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if (!info->sheet)
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return 0;
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info->ctxt = xsltNewTransformContext( info->sheet, node->doc );
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if (!info->ctxt)
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return 0;
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info->pattern = xsltCompilePattern( str, node->doc,
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node, info->sheet, info->ctxt );
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if (!info->pattern)
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return 0;
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return 1;
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}
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void free_xslt_info( struct xslt_info *info )
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{
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if (info->pattern)
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xsltFreeCompMatchList( info->pattern );
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if (info->sheet)
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xsltFreeStylesheet( info->sheet );
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if (info->ctxt)
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xsltFreeTransformContext( info->ctxt );
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}
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static HRESULT xslt_next_match( struct xslt_info *info, xmlNodePtr *node )
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{
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if (!info->ctxt)
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return S_FALSE;
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/* make sure that the current element matches the pattern */
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while ( *node )
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{
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int r;
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r = xsltTestCompMatchList( info->ctxt, *node, info->pattern );
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if ( 1 == r )
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{
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TRACE("Matched %p (%s)\n", *node, (*node)->name );
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return S_OK;
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}
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if (r != 0)
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{
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ERR("Pattern match failed\n");
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return E_FAIL;
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}
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*node = (*node)->next;
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}
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return S_OK;
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}
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#else
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struct xslt_info {
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/* empty */
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};
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static void xlst_info_init( struct xslt_info *info )
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{
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}
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void free_xslt_info( struct xslt_info *info )
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{
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}
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static int create_xslt_parser( struct xslt_info *info, xmlNodePtr node, const xmlChar *str )
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{
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MESSAGE("libxslt was missing at compile time\n");
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return 0;
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}
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static HRESULT xslt_next_match( struct xslt_info *info, xmlNodePtr *node )
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{
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return S_FALSE;
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}
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#endif
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typedef struct _xmlnodelist
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{
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const struct IXMLDOMNodeListVtbl *lpVtbl;
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LONG ref;
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xmlNodePtr node;
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xmlNodePtr current;
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struct xslt_info xinfo;
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} xmlnodelist;
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static inline xmlnodelist *impl_from_IXMLDOMNodeList( IXMLDOMNodeList *iface )
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{
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return (xmlnodelist *)((char*)iface - FIELD_OFFSET(xmlnodelist, lpVtbl));
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}
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static HRESULT WINAPI xmlnodelist_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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TRACE("%p %p %p\n", iface, debugstr_guid(riid), ppvObject);
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if ( IsEqualGUID( riid, &IID_IUnknown ) ||
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IsEqualGUID( riid, &IID_IDispatch ) ||
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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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else
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return E_NOINTERFACE;
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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 xmlnodelist_AddRef(
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IXMLDOMNodeList *iface )
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{
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xmlnodelist *This = impl_from_IXMLDOMNodeList( iface );
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return InterlockedIncrement( &This->ref );
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}
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static ULONG WINAPI xmlnodelist_Release(
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IXMLDOMNodeList *iface )
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{
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xmlnodelist *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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free_xslt_info( &This->xinfo );
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HeapFree( GetProcessHeap(), 0, This );
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}
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return ref;
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}
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static HRESULT WINAPI xmlnodelist_GetTypeInfoCount(
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IXMLDOMNodeList *iface,
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UINT* pctinfo )
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_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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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_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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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_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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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_get_item(
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IXMLDOMNodeList* iface,
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long index,
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IXMLDOMNode** listItem)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_get_length(
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IXMLDOMNodeList* iface,
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long* listLength)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlnodelist_nextNode(
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IXMLDOMNodeList* iface,
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IXMLDOMNode** nextItem)
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{
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xmlnodelist *This = impl_from_IXMLDOMNodeList( iface );
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HRESULT r;
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TRACE("%p %p\n", This, nextItem );
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r = xslt_next_match( &This->xinfo, &This->current );
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if (FAILED(r) )
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return r;
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if (!This->current)
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return S_FALSE;
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*nextItem = create_node( This->current );
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This->current = This->current->next;
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return S_OK;
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}
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static HRESULT WINAPI xmlnodelist_reset(
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IXMLDOMNodeList* iface)
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{
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xmlnodelist *This = impl_from_IXMLDOMNodeList( iface );
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TRACE("%p\n", This);
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This->current = This->node;
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return S_OK;
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}
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static HRESULT WINAPI xmlnodelist__newEnum(
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IXMLDOMNodeList* iface,
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IUnknown** ppUnk)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static const struct IXMLDOMNodeListVtbl xmlnodelist_vtbl =
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{
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xmlnodelist_QueryInterface,
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xmlnodelist_AddRef,
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xmlnodelist_Release,
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xmlnodelist_GetTypeInfoCount,
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xmlnodelist_GetTypeInfo,
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xmlnodelist_GetIDsOfNames,
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xmlnodelist_Invoke,
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xmlnodelist_get_item,
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xmlnodelist_get_length,
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xmlnodelist_nextNode,
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xmlnodelist_reset,
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xmlnodelist__newEnum,
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};
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static xmlnodelist *new_nodelist( xmlNodePtr node )
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{
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xmlnodelist *nodelist;
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nodelist = HeapAlloc( GetProcessHeap(), 0, sizeof *nodelist );
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if ( !nodelist )
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return NULL;
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nodelist->lpVtbl = &xmlnodelist_vtbl;
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nodelist->ref = 1;
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nodelist->node = node;
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nodelist->current = node;
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xlst_info_init( &nodelist->xinfo );
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return nodelist;
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}
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IXMLDOMNodeList* create_nodelist( xmlNodePtr node )
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{
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xmlnodelist *nodelist = new_nodelist( node );
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if (!node)
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return NULL;
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return (IXMLDOMNodeList*) &nodelist->lpVtbl;
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}
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IXMLDOMNodeList* create_filtered_nodelist( xmlNodePtr node, const xmlChar *str )
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{
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xmlnodelist *This = new_nodelist( node );
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if (create_xslt_parser( &This->xinfo, node, str ))
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return (IXMLDOMNodeList*) &This->lpVtbl;
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IXMLDOMNodeList_Release( (IXMLDOMNodeList*) &This->lpVtbl );
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return NULL;
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}
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#endif
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