| /* |
| * Node list implementation |
| * |
| * Copyright 2005 Mike McCormack |
| * |
| * 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 "config.h" |
| |
| #include <stdarg.h> |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winuser.h" |
| #include "ole2.h" |
| #include "msxml2.h" |
| |
| #include "msxml_private.h" |
| |
| #include "wine/debug.h" |
| |
| /* This file implements the object returned by childNodes property. Note that this is |
| * not the IXMLDOMNodeList returned by XPath querites - it's implemented in queryresult.c. |
| * They are different because the list returned by childNodes: |
| * - is "live" - changes to the XML tree are automatically reflected in the list |
| * - doesn't supports IXMLDOMSelection |
| * - note that an attribute node have a text child in DOM but not in the XPath data model |
| * thus the child is inaccessible by an XPath query |
| */ |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(msxml); |
| |
| #ifdef HAVE_LIBXML2 |
| |
| typedef struct _xmlnodelist |
| { |
| const struct IXMLDOMNodeListVtbl *lpVtbl; |
| LONG ref; |
| xmlNodePtr parent; |
| xmlNodePtr current; |
| } xmlnodelist; |
| |
| static inline xmlnodelist *impl_from_IXMLDOMNodeList( IXMLDOMNodeList *iface ) |
| { |
| return (xmlnodelist *)((char*)iface - FIELD_OFFSET(xmlnodelist, lpVtbl)); |
| } |
| |
| static HRESULT WINAPI xmlnodelist_QueryInterface( |
| IXMLDOMNodeList *iface, |
| REFIID riid, |
| void** ppvObject ) |
| { |
| TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject); |
| |
| if(!ppvObject) |
| return E_INVALIDARG; |
| |
| if ( IsEqualGUID( riid, &IID_IUnknown ) || |
| IsEqualGUID( riid, &IID_IDispatch ) || |
| IsEqualGUID( riid, &IID_IXMLDOMNodeList ) ) |
| { |
| *ppvObject = iface; |
| } |
| else |
| { |
| FIXME("interface %s not implemented\n", debugstr_guid(riid)); |
| *ppvObject = NULL; |
| return E_NOINTERFACE; |
| } |
| |
| IXMLDOMNodeList_AddRef( iface ); |
| |
| return S_OK; |
| } |
| |
| static ULONG WINAPI xmlnodelist_AddRef( |
| IXMLDOMNodeList *iface ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| return InterlockedIncrement( &This->ref ); |
| } |
| |
| static ULONG WINAPI xmlnodelist_Release( |
| IXMLDOMNodeList *iface ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| ULONG ref; |
| |
| ref = InterlockedDecrement( &This->ref ); |
| if ( ref == 0 ) |
| { |
| xmldoc_release( This->parent->doc ); |
| HeapFree( GetProcessHeap(), 0, This ); |
| } |
| |
| return ref; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_GetTypeInfoCount( |
| IXMLDOMNodeList *iface, |
| UINT* pctinfo ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| |
| TRACE("(%p)->(%p)\n", This, pctinfo); |
| |
| *pctinfo = 1; |
| |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_GetTypeInfo( |
| IXMLDOMNodeList *iface, |
| UINT iTInfo, |
| LCID lcid, |
| ITypeInfo** ppTInfo ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| HRESULT hr; |
| |
| TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo); |
| |
| hr = get_typeinfo(IXMLDOMNodeList_tid, ppTInfo); |
| |
| return hr; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_GetIDsOfNames( |
| IXMLDOMNodeList *iface, |
| REFIID riid, |
| LPOLESTR* rgszNames, |
| UINT cNames, |
| LCID lcid, |
| DISPID* rgDispId ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| ITypeInfo *typeinfo; |
| HRESULT hr; |
| |
| TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames, |
| lcid, rgDispId); |
| |
| if(!rgszNames || cNames == 0 || !rgDispId) |
| return E_INVALIDARG; |
| |
| hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo); |
| if(SUCCEEDED(hr)) |
| { |
| hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId); |
| ITypeInfo_Release(typeinfo); |
| } |
| |
| return hr; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_Invoke( |
| IXMLDOMNodeList *iface, |
| DISPID dispIdMember, |
| REFIID riid, |
| LCID lcid, |
| WORD wFlags, |
| DISPPARAMS* pDispParams, |
| VARIANT* pVarResult, |
| EXCEPINFO* pExcepInfo, |
| UINT* puArgErr ) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| ITypeInfo *typeinfo; |
| HRESULT hr; |
| |
| TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid), |
| lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr); |
| |
| hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo); |
| if(SUCCEEDED(hr)) |
| { |
| hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams, |
| pVarResult, pExcepInfo, puArgErr); |
| ITypeInfo_Release(typeinfo); |
| } |
| |
| return hr; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_get_item( |
| IXMLDOMNodeList* iface, |
| LONG index, |
| IXMLDOMNode** listItem) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| xmlNodePtr curr; |
| LONG nodeIndex = 0; |
| |
| TRACE("%p %d\n", This, index); |
| |
| if(!listItem) |
| return E_INVALIDARG; |
| |
| *listItem = NULL; |
| |
| if (index < 0) |
| return S_FALSE; |
| |
| curr = This->parent->children; |
| while(curr) |
| { |
| if(nodeIndex++ == index) break; |
| curr = curr->next; |
| } |
| if(!curr) return S_FALSE; |
| |
| *listItem = create_node( curr ); |
| |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_get_length( |
| IXMLDOMNodeList* iface, |
| LONG* listLength) |
| { |
| |
| xmlNodePtr curr; |
| LONG nodeCount = 0; |
| |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| |
| TRACE("%p\n", This); |
| |
| if(!listLength) |
| return E_INVALIDARG; |
| |
| curr = This->parent->children; |
| while (curr) |
| { |
| nodeCount++; |
| curr = curr->next; |
| } |
| |
| *listLength = nodeCount; |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_nextNode( |
| IXMLDOMNodeList* iface, |
| IXMLDOMNode** nextItem) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| |
| TRACE("%p %p\n", This, nextItem ); |
| |
| if(!nextItem) |
| return E_INVALIDARG; |
| |
| *nextItem = NULL; |
| |
| if (!This->current) |
| return S_FALSE; |
| |
| *nextItem = create_node( This->current ); |
| This->current = This->current->next; |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI xmlnodelist_reset( |
| IXMLDOMNodeList* iface) |
| { |
| xmlnodelist *This = impl_from_IXMLDOMNodeList( iface ); |
| |
| TRACE("%p\n", This); |
| This->current = This->parent->children; |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI xmlnodelist__newEnum( |
| IXMLDOMNodeList* iface, |
| IUnknown** ppUnk) |
| { |
| FIXME("\n"); |
| return E_NOTIMPL; |
| } |
| |
| |
| static const struct IXMLDOMNodeListVtbl xmlnodelist_vtbl = |
| { |
| xmlnodelist_QueryInterface, |
| xmlnodelist_AddRef, |
| xmlnodelist_Release, |
| xmlnodelist_GetTypeInfoCount, |
| xmlnodelist_GetTypeInfo, |
| xmlnodelist_GetIDsOfNames, |
| xmlnodelist_Invoke, |
| xmlnodelist_get_item, |
| xmlnodelist_get_length, |
| xmlnodelist_nextNode, |
| xmlnodelist_reset, |
| xmlnodelist__newEnum, |
| }; |
| |
| IXMLDOMNodeList* create_children_nodelist( xmlNodePtr node ) |
| { |
| xmlnodelist *nodelist; |
| |
| nodelist = HeapAlloc( GetProcessHeap(), 0, sizeof *nodelist ); |
| if ( !nodelist ) |
| return NULL; |
| |
| nodelist->lpVtbl = &xmlnodelist_vtbl; |
| nodelist->ref = 1; |
| nodelist->parent = node; |
| nodelist->current = node->children; |
| |
| xmldoc_add_ref( node->doc ); |
| |
| return (IXMLDOMNodeList*) &nodelist->lpVtbl; |
| } |
| |
| #endif |