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Make the node object aggregatable so that the element object (and in 

future all of the other node types) can use it.
This commit is contained in:
Huw Davies 2005-12-01 18:46:42 +01:00 committed by Alexandre Julliard
parent cb56bdf884
commit 3f6bb98f39
5 changed files with 220 additions and 87 deletions
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84
dlls/msxml3/domdoc.c
View File

@ -23,6 +23,7 @@
#include "config.h"
#include <stdarg.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
@ -43,6 +44,7 @@ typedef struct _domdoc
const struct IXMLDOMDocumentVtbl *lpVtbl;
LONG ref;
VARIANT_BOOL async;
IUnknown *node_unk;
IXMLDOMNode *node;
} domdoc;
@ -83,12 +85,15 @@ static HRESULT WINAPI domdoc_QueryInterface( IXMLDOMDocument *iface, REFIID riid
TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
if ( IsEqualGUID( riid, &IID_IXMLDOMDocument ) ||
IsEqualGUID( riid, &IID_IXMLDOMNode ) ||
IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = iface;
}
else if ( IsEqualGUID( riid, &IID_IXMLDOMNode ) ||
IsEqualGUID( riid, &IID_IDispatch ) )
{
return IUnknown_QueryInterface(This->node_unk, riid, ppvObject);
}
else
return E_NOINTERFACE;
@ -118,8 +123,7 @@ static ULONG WINAPI domdoc_Release(
ref = InterlockedDecrement( &This->ref );
if ( ref == 0 )
{
if ( This->node )
IXMLDOMElement_Release( This->node );
IUnknown_Release( This->node_unk );
HeapFree( GetProcessHeap(), 0, This );
}
@ -527,6 +531,8 @@ static HRESULT WINAPI domdoc_get_documentElement(
domdoc *This = impl_from_IXMLDOMDocument( iface );
xmlDocPtr xmldoc = NULL;
xmlNodePtr root = NULL;
IXMLDOMNode *element_node;
HRESULT hr;
TRACE("%p\n", This);
@ -543,9 +549,13 @@ static HRESULT WINAPI domdoc_get_documentElement(
if ( !root )
return S_FALSE;
*DOMElement = create_element( root );
return S_OK;
element_node = create_node( root );
if(!element_node) return S_FALSE;
hr = IXMLDOMNode_QueryInterface(element_node, &IID_IXMLDOMElement, (LPVOID*)DOMElement);
IXMLDOMNode_Release(element_node);
return hr;
}
@ -729,11 +739,11 @@ static HRESULT WINAPI domdoc_load(
TRACE("type %d\n", V_VT(&xmlSource) );
if ( This->node )
{
IXMLDOMNode_Release( This->node );
This->node = NULL;
}
*isSuccessful = VARIANT_FALSE;
assert( This->node );
attach_xmlnode(This->node, NULL);
switch( V_VT(&xmlSource) )
{
@ -745,17 +755,10 @@ static HRESULT WINAPI domdoc_load(
return S_FALSE;
xmldoc = doread( filename );
if ( !xmldoc ) {
*isSuccessful = VARIANT_FALSE;
return S_FALSE;
}
if ( !xmldoc ) return S_FALSE;
This->node = create_node( (xmlNodePtr) xmldoc );
if ( !This->node )
{
*isSuccessful = VARIANT_FALSE;
return S_FALSE;
}
xmldoc->_private = 0;
attach_xmlnode(This->node, (xmlNodePtr) xmldoc);
*isSuccessful = VARIANT_TRUE;
return S_OK;
@ -850,11 +853,9 @@ static HRESULT WINAPI domdoc_loadXML(
TRACE("%p %s %p\n", This, debugstr_w( bstrXML ), isSuccessful );
if ( This->node )
{
IXMLDOMNode_Release( This->node );
This->node = NULL;
}
assert ( This->node );
attach_xmlnode( This->node, NULL );
if ( !isSuccessful )
return S_FALSE;
@ -869,11 +870,12 @@ static HRESULT WINAPI domdoc_loadXML(
xmldoc = doparse( str, len );
HeapFree( GetProcessHeap(), 0, str );
This->node = create_node( (xmlNodePtr) xmldoc );
if( !This->node )
if ( !xmldoc )
return S_FALSE;
xmldoc->_private = 0;
attach_xmlnode( This->node, (xmlNodePtr) xmldoc );
*isSuccessful = VARIANT_TRUE;
return S_OK;
}
@ -1049,6 +1051,9 @@ const struct IXMLDOMDocumentVtbl domdoc_vtbl =
HRESULT DOMDocument_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
domdoc *doc;
HRESULT hr;
TRACE("(%p,%p)\n", pUnkOuter, ppObj);
doc = HeapAlloc( GetProcessHeap(), 0, sizeof (*doc) );
if( !doc )
@ -1057,10 +1062,27 @@ HRESULT DOMDocument_create(IUnknown *pUnkOuter, LPVOID *ppObj)
doc->lpVtbl = &domdoc_vtbl;
doc->ref = 1;
doc->async = 0;
doc->node = NULL;
doc->node_unk = create_basic_node( NULL, (IUnknown*)&doc->lpVtbl );
if(!doc->node_unk)
{
HeapFree(GetProcessHeap(), 0, doc);
return E_FAIL;
}
hr = IUnknown_QueryInterface(doc->node_unk, &IID_IXMLDOMNode, (LPVOID*)&doc->node);
if(FAILED(hr))
{
IUnknown_Release(doc->node_unk);
HeapFree( GetProcessHeap(), 0, doc );
return E_FAIL;
}
/* The ref on doc->node is actually looped back into this object, so release it */
IXMLDOMNode_Release(doc->node);
*ppObj = &doc->lpVtbl;
TRACE("returning iface %p\n", *ppObj);
return S_OK;
}

36
dlls/msxml3/element.c
View File

@ -41,6 +41,7 @@ typedef struct _domelem
{
const struct IXMLDOMElementVtbl *lpVtbl;
LONG ref;
IUnknown *node_unk;
IXMLDOMNode *node;
} domelem;
@ -59,15 +60,19 @@ static HRESULT WINAPI domelem_QueryInterface(
REFIID riid,
void** ppvObject )
{
TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
domelem *This = impl_from_IXMLDOMElement( iface );
TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
if ( IsEqualGUID( riid, &IID_IXMLDOMElement ) ||
IsEqualGUID( riid, &IID_IUnknown ) ||
IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IXMLDOMNode ) )
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = iface;
}
else if ( IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IXMLDOMNode ) )
{
return IUnknown_QueryInterface(This->node_unk, riid, ppvObject);
}
else
return E_NOINTERFACE;
@ -92,7 +97,7 @@ static ULONG WINAPI domelem_Release(
ref = InterlockedDecrement( &This->ref );
if ( ref == 0 )
{
IXMLDOMNode_Release( This->node );
IUnknown_Release( This->node_unk );
HeapFree( GetProcessHeap(), 0, This );
}
@ -568,25 +573,36 @@ static const struct IXMLDOMElementVtbl domelem_vtbl =
domelem_normalize,
};
IXMLDOMElement* create_element( xmlNodePtr element )
IUnknown* create_element( xmlNodePtr element )
{
domelem *This;
HRESULT hr;
This = HeapAlloc( GetProcessHeap(), 0, sizeof *This );
if ( !This )
return NULL;
This->lpVtbl = &domelem_vtbl;
This->node = create_node( element );
This->ref = 1;
if ( !This->node )
This->node_unk = create_basic_node( element, (IUnknown*)&This->lpVtbl );
if(!This->node_unk)
{
HeapFree( GetProcessHeap(), 0, This );
HeapFree(GetProcessHeap(), 0, This);
return NULL;
}
return (IXMLDOMElement*) &This->lpVtbl;
hr = IUnknown_QueryInterface(This->node_unk, &IID_IXMLDOMNode, (LPVOID*)&This->node);
if(FAILED(hr))
{
IUnknown_Release(This->node_unk);
HeapFree( GetProcessHeap(), 0, This );
return NULL;
}
/* The ref on This->node is actually looped back into this object, so release it */
IXMLDOMNode_Release(This->node);
return (IUnknown*) &This->lpVtbl;
}
#endif

5
dlls/msxml3/msxml_private.h
View File

@ -31,11 +31,14 @@
extern IUnknown *create_domdoc( void );
extern IUnknown *create_xmldoc( void );
extern IXMLDOMNode *create_node( xmlNodePtr node );
extern IXMLDOMElement *create_element( xmlNodePtr element );
extern IUnknown *create_basic_node( xmlNodePtr node, IUnknown *pUnkOuter );
extern IUnknown *create_element( xmlNodePtr element );
extern IXMLDOMNodeList *create_nodelist( xmlNodePtr node );
extern IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node );
extern IXMLDOMNodeList *create_filtered_nodelist( xmlNodePtr, const xmlChar * );
extern void attach_xmlnode( IXMLDOMNode *node, xmlNodePtr xmlnode );
/* data accessors */
xmlNodePtr xmlNodePtr_from_domnode( IXMLDOMNode *iface, xmlElementType type );

161
dlls/msxml3/node.c
View File

@ -42,6 +42,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(msxml);
typedef struct _xmlnode
{
const struct IXMLDOMNodeVtbl *lpVtbl;
const struct IUnknownVtbl *lpInternalUnkVtbl;
IUnknown *pUnkOuter;
LONG ref;
xmlNodePtr node;
} xmlnode;
@ -51,6 +53,11 @@ static inline xmlnode *impl_from_IXMLDOMNode( IXMLDOMNode *iface )
return (xmlnode *)((char*)iface - FIELD_OFFSET(xmlnode, lpVtbl));
}
static inline xmlnode *impl_from_InternalUnknown( IUnknown *iface )
{
return (xmlnode *)((char*)iface - FIELD_OFFSET(xmlnode, lpInternalUnkVtbl));
}
xmlNodePtr xmlNodePtr_from_domnode( IXMLDOMNode *iface, xmlElementType type )
{
xmlnode *This;
@ -65,49 +72,43 @@ xmlNodePtr xmlNodePtr_from_domnode( IXMLDOMNode *iface, xmlElementType type )
return This->node;
}
void attach_xmlnode( IXMLDOMNode *node, xmlNodePtr xml )
{
xmlnode *This = impl_from_IXMLDOMNode( node );
if(This->node)
xmldoc_release(This->node->doc);
This->node = xml;
if(This->node)
xmldoc_add_ref(This->node->doc);
return;
}
static HRESULT WINAPI xmlnode_QueryInterface(
IXMLDOMNode *iface,
REFIID riid,
void** ppvObject )
{
TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
xmlnode *This = impl_from_IXMLDOMNode( iface );
TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
if ( IsEqualGUID( riid, &IID_IUnknown ) ||
IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IXMLDOMNode ) )
{
*ppvObject = iface;
}
else
return E_NOINTERFACE;
IXMLDOMElement_AddRef( iface );
return S_OK;
return IUnknown_QueryInterface(This->pUnkOuter, riid, ppvObject);
}
static ULONG WINAPI xmlnode_AddRef(
IXMLDOMNode *iface )
{
xmlnode *This = impl_from_IXMLDOMNode( iface );
return InterlockedIncrement( &This->ref );
return IUnknown_AddRef(This->pUnkOuter);
}
static ULONG WINAPI xmlnode_Release(
IXMLDOMNode *iface )
{
xmlnode *This = impl_from_IXMLDOMNode( iface );
ULONG ref;
ref = InterlockedDecrement( &This->ref );
if ( ref == 0 )
{
assert( This->node->doc );
xmldoc_release( This->node->doc );
HeapFree( GetProcessHeap(), 0, This );
}
return ref;
return IUnknown_Release(This->pUnkOuter);
}
static HRESULT WINAPI xmlnode_GetTypeInfoCount(
@ -700,32 +701,114 @@ static const struct IXMLDOMNodeVtbl xmlnode_vtbl =
xmlnode_transformNodeToObject,
};
IXMLDOMNode *create_node( xmlNodePtr node )
static HRESULT WINAPI Internal_QueryInterface(
IUnknown *iface,
REFIID riid,
void** ppvObject )
{
xmlnode *This = impl_from_InternalUnknown( iface );
TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
if ( IsEqualGUID( riid, &IID_IUnknown ))
*ppvObject = iface;
else if ( IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IXMLDOMNode ) )
*ppvObject = &This->lpVtbl;
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef( (IUnknown*)*ppvObject );
return S_OK;
}
static ULONG WINAPI Internal_AddRef(
IUnknown *iface )
{
xmlnode *This = impl_from_InternalUnknown( iface );
return InterlockedIncrement( &This->ref );
}
static ULONG WINAPI Internal_Release(
IUnknown *iface )
{
xmlnode *This = impl_from_InternalUnknown( iface );
ULONG ref;
ref = InterlockedDecrement( &This->ref );
if ( ref == 0 )
{
assert( This->node->doc );
xmldoc_release( This->node->doc );
HeapFree( GetProcessHeap(), 0, This );
}
return ref;
}
static const struct IUnknownVtbl internal_unk_vtbl =
{
Internal_QueryInterface,
Internal_AddRef,
Internal_Release
};
IUnknown *create_basic_node( xmlNodePtr node, IUnknown *pUnkOuter )
{
xmlnode *This;
if ( !node )
return NULL;
assert( node->doc );
This = HeapAlloc( GetProcessHeap(), 0, sizeof *This );
if ( !This )
return NULL;
if ( node->type == XML_DOCUMENT_NODE )
{
assert( node->doc == (xmlDocPtr) node );
node->doc->_private = 0;
}
xmldoc_add_ref( node->doc );
if(node)
xmldoc_add_ref( node->doc );
This->lpVtbl = &xmlnode_vtbl;
This->lpInternalUnkVtbl = &internal_unk_vtbl;
if(pUnkOuter)
This->pUnkOuter = pUnkOuter; /* Don't take a ref on outer Unknown */
else
This->pUnkOuter = (IUnknown *)&This->lpInternalUnkVtbl;
This->ref = 1;
This->node = node;
return (IXMLDOMNode*) &This->lpVtbl;
return (IUnknown*)&This->lpInternalUnkVtbl;
}
IXMLDOMNode *create_node( xmlNodePtr node )
{
IUnknown *pUnk;
IXMLDOMNode *ret;
HRESULT hr;
if ( !node )
return NULL;
TRACE("type %d\n", node->type);
switch(node->type)
{
case XML_ELEMENT_NODE:
pUnk = create_element( node );
break;
case XML_DOCUMENT_NODE:
ERR("shouldn't be here!\n");
return NULL;
default:
FIXME("only creating basic node for type %d\n", node->type);
pUnk = create_basic_node( node, NULL );
}
hr = IUnknown_QueryInterface(pUnk, &IID_IXMLDOMNode, (LPVOID*)&ret);
IUnknown_Release(pUnk);
if(FAILED(hr)) return NULL;
return ret;
}
#endif

21
dlls/msxml3/tests/domdoc.c
View File

@ -72,11 +72,6 @@ static const WCHAR szdl[] = { 'd','l',0 };
static const WCHAR szlc[] = { 'l','c',0 };
static const WCHAR szbs[] = { 'b','s',0 };
const GUID CLSID_DOMDocument =
{ 0x2933BF90, 0x7B36, 0x11d2, {0xB2,0x0E,0x00,0xC0,0x4F,0x98,0x3E,0x60}};
const GUID IID_IXMLDOMDocument =
{ 0x2933BF81, 0x7B36, 0x11d2, {0xB2,0x0E,0x00,0xC0,0x4F,0x98,0x3E,0x60}};
void test_domdoc( void )
{
HRESULT r;
@ -516,6 +511,7 @@ static void test_refs(void)
IXMLDOMNode *node = NULL, *node2;
IXMLDOMNodeList *node_list = NULL;
LONG ref;
IUnknown *unk, *unk2;
r = CoCreateInstance( &CLSID_DOMDocument, NULL,
CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (LPVOID*)&doc );
@ -576,8 +572,21 @@ static void test_refs(void)
todo_wine {
ok( ref == 3, "ref %ld\n", ref );
}
IXMLDOMElement_Release( element );
/* IUnknown must be unique however we obtain it */
r = IXMLDOMElement_QueryInterface( element, &IID_IUnknown, (LPVOID*)&unk );
ok( r == S_OK, "rets %08lx\n", r );
r = IXMLDOMElement_QueryInterface( element, &IID_IXMLDOMNode, (LPVOID*)&node );
ok( r == S_OK, "rets %08lx\n", r );
r = IXMLDOMNode_QueryInterface( node, &IID_IUnknown, (LPVOID*)&unk2 );
ok( r == S_OK, "rets %08lx\n", r );
ok( unk == unk2, "unk %p unk2 %p\n", unk, unk2 );
IUnknown_Release( unk2 );
IUnknown_Release( unk );
IXMLDOMNode_Release( node );
IXMLDOMElement_Release( element );
}