X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c90b8250d9d0d94e17beff3f74bd86ca2654958c..f1e269209afbcbec4e46ab5df4ba43d902a6bf2f:/src/common/xtistrm.cpp

diff --git a/src/common/xtistrm.cpp b/src/common/xtistrm.cpp
index e826757586..5f5563cd21 100644
--- a/src/common/xtistrm.cpp
+++ b/src/common/xtistrm.cpp
@@ -1,8 +1,8 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/common/xtistrm.cpp
-// Purpose:     streaming runtime metadata information 
+// Purpose:     streaming runtime metadata information
 // Author:      Stefan Csomor
-// Modified by: 
+// Modified by:
 // Created:     27/07/03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Stefan Csomor
@@ -25,13 +25,14 @@
 #include "wx/object.h"
 #endif
 
-#include "wx/xml/xml.h"
 #include "wx/tokenzr.h"
-#include "wx/xtistrm.h"
 #include "wx/txtstrm.h"
+#include "wx/event.h"
 
 #if wxUSE_EXTENDED_RTTI
 
+#include "wx/xtistrm.h"
+
 #include "wx/beforestd.h"
 #include <map>
 #include <vector>
@@ -59,7 +60,7 @@ wxWriter::~wxWriter()
 
 struct wxWriter::wxWriterInternalPropertiesData
 {
-    map< string , int > m_writtenProperties ;
+    char nothing ;
 } ;
 
 void wxWriter::ClearObjectContext()
@@ -69,23 +70,19 @@ void wxWriter::ClearObjectContext()
     m_data->m_nextId = 0 ;
 }
 
-void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , const wxString &name )
+void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , const wxString &name , wxxVariantArray &metadata )
 {
     DoBeginWriteTopLevelEntry( name ) ;
-    WriteObject( object , classInfo , persister , false ) ;
+    WriteObject( object , classInfo , persister , false , metadata) ;
     DoEndWriteTopLevelEntry( name ) ;
 }
 
-void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , bool isEmbedded)
+void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , bool isEmbedded, wxxVariantArray &metadata )
 {
-    // hack to avoid writing out embedded windows, these are windows that are constructed as part of other windows, they would
-    // doubly constructed afterwards
-
-    const wxWindow * win = dynamic_cast<const wxWindow*>(object) ;
-    if ( win && win->GetId() < 0 )
+    if ( !classInfo->BeforeWriteObject( object , this , persister , metadata) )
         return ;
 
-    if ( persister->BeforeWriteObject( this , object , classInfo ) )
+    if ( persister->BeforeWriteObject( this , object , classInfo , metadata) )
     {
         if ( object == NULL )
             DoWriteNullObject() ;
@@ -103,7 +100,7 @@ void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo
             if ( !isEmbedded && dynobj )
                 m_data->m_writtenObjects[dynobj->GetSuperClassInstance()] = oid ;
 
-            DoBeginWriteObject( object , classInfo , oid ) ;
+            DoBeginWriteObject( object , classInfo , oid , metadata ) ;
             wxWriterInternalPropertiesData data ;
             WriteAllProperties( object , classInfo , persister , &data ) ;
             DoEndWriteObject( object , classInfo , oid  ) ;
@@ -112,7 +109,7 @@ void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo
     }
 }
 
-void wxWriter::FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler)
+void wxWriter::FindConnectEntry(const wxEvtHandler * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler)
 {
     wxList *dynamicEvents = evSource->GetDynamicEventTable() ;
 
@@ -124,13 +121,10 @@ void wxWriter::FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeIn
             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
 
             // find the match
-            if ( entry->m_fn && (dti->GetEventType() == entry->m_eventType) &&
-                (entry->m_id == -1 ||
-                (entry->m_lastId == -1 && evSource->GetId() == entry->m_id) ||
-                (entry->m_lastId != -1 &&
-                (evSource->GetId()  >= entry->m_id && evSource->GetId() <= entry->m_lastId) ) ) &&
-                entry->m_eventSink
-                )
+            if ( entry->m_fn &&
+                (dti->GetEventType() == entry->m_eventType) &&
+                (entry->m_id == -1 ) &&
+                (entry->m_eventSink != NULL ) )
             {
                 sink = entry->m_eventSink ;
                 const wxClassInfo* sinkClassInfo = sink->GetClassInfo() ;
@@ -152,103 +146,161 @@ void wxWriter::FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeIn
 }
 void wxWriter::WriteAllProperties( const wxObject * obj , const wxClassInfo* ci , wxPersister *persister, wxWriterInternalPropertiesData * data )
 {
-   // in case this object is wxDynamic object we have to hand over the streaming
-    // of the properties of the superclasses to the real super class instance
+    wxPropertyInfoMap map ;
+    ci->GetProperties( map ) ;
+    for ( int i = 0 ; i < ci->GetCreateParamCount() ; ++i )
     {
-        const wxObject *iterobj = obj ;
-        const wxDynamicObject* dynobj = dynamic_cast< const wxDynamicObject* > (iterobj ) ;
-        if ( dynobj )
-            iterobj = dynobj->GetSuperClassInstance() ;
-        const wxClassInfo** parents = ci->GetParents() ;
-        for ( int i = 0 ; parents[i] ; ++ i )
+        wxString name = ci->GetCreateParamName(i) ;
+        const wxPropertyInfo* prop = map.find(name)->second ;
+        wxASSERT_MSG( prop , wxT("Create Parameter not found in declared RTTI Parameters") ) ;
+        WriteOneProperty( obj , prop->GetDeclaringClass() , prop , persister , data ) ;
+        map.erase( name ) ;
+    }
+
+    for( wxPropertyInfoMap::iterator iter = map.begin() ; iter != map.end() ; ++iter )
+    {
+        const wxPropertyInfo* prop = iter->second ;
+        if ( prop->GetFlags() & wxPROP_OBJECT_GRAPH )
         {
-            WriteAllProperties( iterobj , parents[i] , persister , data ) ;
+            WriteOneProperty( obj , prop->GetDeclaringClass() , prop , persister , data ) ;
         }
     }
 
-    const wxPropertyInfo *pi = ci->GetFirstProperty() ;
-    while( pi ) 
+    for( wxPropertyInfoMap::iterator iter = map.begin() ; iter != map.end() ; ++iter )
+    {
+        const wxPropertyInfo* prop = iter->second ;
+        if ( !(prop->GetFlags() & wxPROP_OBJECT_GRAPH) )
+        {
+            WriteOneProperty( obj , prop->GetDeclaringClass() , prop , persister , data ) ;
+        }
+    }
+}
+
+void wxWriter::WriteOneProperty( const wxObject *obj , const wxClassInfo* ci , const wxPropertyInfo* pi , wxPersister *persister , wxWriterInternalPropertiesData *WXUNUSED(data) )
+{
+    if ( pi->GetFlags() & wxPROP_DONT_STREAM )
+        return ;
+
+    // make sure that we are picking the correct object for accessing the property
+    const wxDynamicObject* dynobj = dynamic_cast< const wxDynamicObject* > (obj ) ;
+    if ( dynobj && (dynamic_cast<const wxDynamicClassInfo*>(ci) == NULL) )
+        obj = dynobj->GetSuperClassInstance() ;
+
+    if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
     {
-        // this property was not written yet in this object and we don't get a veto
-        // if ( data->m_writtenProperties.find( pi->GetName() ) == data->m_writtenProperties.end() )
-        // we will have to handle property overrides differently 
+        wxxVariantArray data ;
+        pi->GetAccessor()->GetPropertyCollection(obj, data) ;
+        const wxTypeInfo * elementType = dynamic_cast< const wxCollectionTypeInfo* >( pi->GetTypeInfo() )->GetElementType() ;
+        for ( size_t i = 0 ; i < data.GetCount() ; ++i )
         {
-            data->m_writtenProperties[ pi->GetName() ] = 1 ;
-            DoBeginWriteProperty( pi ) ;
-            if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
+            if ( i == 0 )
+                DoBeginWriteProperty( pi ) ;
+
+            DoBeginWriteElement() ;
+            wxxVariant value = data[i] ;
+            if ( persister->BeforeWriteProperty( this , pi , value ) )
             {
-                wxxVariantArray data ;
-                pi->GetAccessor()->GetPropertyCollection(obj, data) ;
-                const wxTypeInfo * elementType = dynamic_cast< const wxCollectionTypeInfo* >( pi->GetTypeInfo() )->GetElementType() ;
-                for ( size_t i = 0 ; i < data.GetCount() ; ++i )
+                const wxClassTypeInfo* cti = dynamic_cast< const wxClassTypeInfo* > ( elementType ) ;
+                if ( cti )
                 {
-                    DoBeginWriteElement() ;
-                    wxxVariant value = data[i] ;
-                    if ( persister->BeforeWriteProperty( this , pi , value ) )
-                    {
-                        const wxClassTypeInfo* cti = dynamic_cast< const wxClassTypeInfo* > ( elementType ) ;
-                        if ( cti )
-                        {
-                            const wxClassInfo* pci = cti->GetClassInfo() ;
-                            wxObject *vobj = pci->VariantToInstance( value ) ;
-                            WriteObject( vobj , (vobj ? vobj->GetClassInfo() : pci ) , persister , cti->GetKind()== wxT_OBJECT ) ;
-                        }
-                        else
-                        {                               
-                            DoWriteSimpleType( value ) ;
-                        }
-                    }
-                    DoEndWriteElement() ;
+                    const wxClassInfo* pci = cti->GetClassInfo() ;
+                    wxObject *vobj = pci->VariantToInstance( value ) ;
+                    wxxVariantArray md ;
+                    WriteObject( vobj , (vobj ? vobj->GetClassInfo() : pci ) , persister , cti->GetKind()== wxT_OBJECT , md ) ;
+                }
+                else
+                {
+                    DoWriteSimpleType( value ) ;
                 }
             }
-            else
+            DoEndWriteElement() ;
+            if ( i == data.GetCount() - 1 )
+                 DoEndWriteProperty( pi ) ;
+       }
+   }
+    else
+    {
+        const wxDelegateTypeInfo* dti = dynamic_cast< const wxDelegateTypeInfo* > ( pi->GetTypeInfo() ) ;
+        if ( dti )
+        {
+            const wxObject* sink = NULL ;
+            const wxHandlerInfo *handler = NULL ;
+
+            const wxEvtHandler * evSource = dynamic_cast<const wxEvtHandler *>(obj) ;
+            wxASSERT_MSG( evSource , wxT("Illegal Object Class (Non-wxEvtHandler) as Event Source") ) ;
+
+            FindConnectEntry( evSource , dti , sink , handler ) ;
+            if ( persister->BeforeWriteDelegate( this , obj , ci , pi , sink , handler ) )
             {
-                const wxDelegateTypeInfo* dti = dynamic_cast< const wxDelegateTypeInfo* > ( pi->GetTypeInfo() ) ;
-                if ( dti )
+                if ( sink != NULL && handler != NULL )
                 {
-                    const wxObject* sink = NULL ;
-                    const wxHandlerInfo *handler = NULL ;
+                    DoBeginWriteProperty( pi ) ;
+                    wxASSERT_MSG( IsObjectKnown( sink ) , wxT("Streaming delegates for not already streamed objects not yet supported") ) ;
+                    DoWriteDelegate( obj , ci , pi , sink , GetObjectID( sink ) , sink->GetClassInfo() , handler ) ;
+                    DoEndWriteProperty( pi ) ;
+                }
+            }
+        }
+        else
+        {
+            wxxVariant value ;
+            pi->GetAccessor()->GetProperty(obj, value) ;
+
+            // avoid streaming out void objects
+            if( value.IsEmpty() )
+                return ;
 
-                    const wxWindow * evSource = dynamic_cast<const wxWindow *>(obj) ;
-                    wxASSERT_MSG( evSource , wxT("Illegal Object Class (Non-Window) as Event Source") ) ;
+            if ( pi->GetFlags() & wxPROP_ENUM_STORE_LONG )
+            {
+                const wxEnumTypeInfo *eti = dynamic_cast<const wxEnumTypeInfo*>( pi->GetTypeInfo() ) ;
+                wxASSERT_MSG( eti , wxT("Type must have enum - long conversion") ) ;
+                eti->ConvertFromLong( value.Get<long>() , value ) ;
+            }
 
-                    FindConnectEntry( evSource , dti , sink , handler ) ;
-                    if ( persister->BeforeWriteDelegate( this , obj , ci , pi , sink , handler ) )
+            // avoid streaming out default values
+            if ( pi->GetTypeInfo()->HasStringConverters() && !pi->GetDefaultValue().IsEmpty() )
+            {
+                if ( value.GetAsString() == pi->GetDefaultValue().GetAsString() )
+                    return ;
+            }
+            
+            // avoid streaming out null objects
+            const wxClassTypeInfo* cti = dynamic_cast< const wxClassTypeInfo* > ( pi->GetTypeInfo() ) ;
+
+            if ( cti && value.GetAsObject() == NULL )
+                return ;
+
+            if ( persister->BeforeWriteProperty( this , pi , value ) )
+            {
+                DoBeginWriteProperty( pi ) ;
+                if ( cti )
+                {
+                    const wxClassInfo* pci = cti->GetClassInfo() ;
+                    wxObject *vobj = pci->VariantToInstance( value ) ;
+                    if ( vobj && pi->GetTypeInfo()->HasStringConverters() )
                     {
-                        if ( sink != NULL && handler != NULL )
-                        {
-                            wxASSERT_MSG( IsObjectKnown( sink ) , wxT("Streaming delegates for not already streamed objects not yet supported") ) ;
-                            DoWriteDelegate( obj , ci , pi , sink , GetObjectID( sink ) , sink->GetClassInfo() , handler ) ;
-                        }
+                        wxString stringValue ;
+                        cti->ConvertToString( value , stringValue ) ;
+                        wxxVariant convertedValue(stringValue) ;
+                        DoWriteSimpleType( convertedValue ) ;
+                    }
+                    else
+                    {
+                        wxxVariantArray md ;
+                        WriteObject( vobj , (vobj ? vobj->GetClassInfo() : pci ) , persister , cti->GetKind()== wxT_OBJECT , md) ;
                     }
                 }
                 else
                 {
-                    wxxVariant value ;
-                    pi->GetAccessor()->GetProperty(obj, value) ;
-                    if ( persister->BeforeWriteProperty( this , pi , value ) )
-                    {
-                        const wxClassTypeInfo* cti = dynamic_cast< const wxClassTypeInfo* > ( pi->GetTypeInfo() ) ;
-                        if ( cti )
-                        {
-                            const wxClassInfo* pci = cti->GetClassInfo() ;
-                            wxObject *vobj = pci->VariantToInstance( value ) ;
-                            WriteObject( vobj , (vobj ? vobj->GetClassInfo() : pci ) , persister , cti->GetKind()== wxT_OBJECT ) ;
-                        }
-                        else
-                        {                               
-                            DoWriteSimpleType( value ) ;
-                        }
-                    }
+                    DoWriteSimpleType( value ) ;
                 }
+                DoEndWriteProperty( pi ) ;
             }
-            DoEndWriteProperty( pi ) ;
         }
-        pi = pi->GetNext() ;
     }
- }
+}
 
-int wxWriter::GetObjectID(const wxObject *obj) 
+int wxWriter::GetObjectID(const wxObject *obj)
 {
     if ( !IsObjectKnown( obj ) )
         return wxInvalidObjectID ;
@@ -256,156 +308,14 @@ int wxWriter::GetObjectID(const wxObject *obj)
     return m_data->m_writtenObjects[obj] ;
 }
 
-bool wxWriter::IsObjectKnown( const wxObject *obj ) 
+bool wxWriter::IsObjectKnown( const wxObject *obj )
 {
     return m_data->m_writtenObjects.find( obj ) != m_data->m_writtenObjects.end() ;
 }
 
-//
-// XML Streaming
-// 
-
-// convenience functions
-
-void wxXmlAddContentToNode( wxXmlNode* node , const wxString& data )
-{
-    node->AddChild(new wxXmlNode(wxXML_TEXT_NODE, "value", data ) );
-}
-
-wxString wxXmlGetContentFromNode( wxXmlNode *node )
-{
-    if ( node->GetChildren() )
-        return node->GetChildren()->GetContent() ;
-    else
-        return wxEmptyString ;
-}
-
-struct wxXmlWriter::wxXmlWriterInternal
-{
-    wxXmlNode *m_root ;
-    wxXmlNode *m_current ;
-    vector< wxXmlNode * > m_objectStack ;
-
-    void Push( wxXmlNode *newCurrent )
-    {
-        m_objectStack.push_back( m_current ) ;
-        m_current = newCurrent ;
-    }
-
-    void Pop()
-    {
-        m_current = m_objectStack.back() ;
-        m_objectStack.pop_back() ;
-    }
-} ;
-
-wxXmlWriter::wxXmlWriter( wxXmlNode * rootnode ) 
-{
-    m_data = new wxXmlWriterInternal() ;
-    m_data->m_root = rootnode ;
-    m_data->m_current = rootnode ;
-}
-
-wxXmlWriter::~wxXmlWriter() 
-{
-    delete m_data ;
-}
-
-void wxXmlWriter::DoBeginWriteTopLevelEntry( const wxString &name ) 
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("entry"));
-    pnode->AddProperty(wxString("name"), name);
-    m_data->m_current->AddChild(pnode) ;
-    m_data->Push( pnode ) ;
-}
-
-void wxXmlWriter::DoEndWriteTopLevelEntry( const wxString &WXUNUSED(name) )
-{
-    m_data->Pop() ;
-}
-
-void wxXmlWriter::DoBeginWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *classInfo, int objectID   ) 
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
-    pnode->AddProperty(wxT("class"), wxString(classInfo->GetClassName()));
-    pnode->AddProperty(wxT("id"), wxString::Format( "%d" , objectID ) );
-
-    m_data->m_current->AddChild(pnode) ;
-    m_data->Push( pnode ) ;
-}
-
-// end of writing the root object
-void wxXmlWriter::DoEndWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *WXUNUSED(classInfo), int WXUNUSED(objectID) ) 
-{
-    m_data->Pop() ;
-}
-
-// writes a property in the stream format
-void wxXmlWriter::DoWriteSimpleType( wxxVariant &value ) 
-{
-    wxXmlAddContentToNode( m_data->m_current ,value.GetAsString() ) ;
-}
-
-void wxXmlWriter::DoBeginWriteElement() 
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "element" );
-    m_data->m_current->AddChild(pnode) ;
-    m_data->Push( pnode ) ;
-}
-
-void wxXmlWriter::DoEndWriteElement() 
-{
-    m_data->Pop() ;
-}
-
-void wxXmlWriter::DoBeginWriteProperty(const wxPropertyInfo *pi )
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "prop" );
-    pnode->AddProperty(wxT("name"), pi->GetName() );
-    m_data->m_current->AddChild(pnode) ;
-    m_data->Push( pnode ) ;
-}
-
-void wxXmlWriter::DoEndWriteProperty(const wxPropertyInfo *WXUNUSED(propInfo) )
-{
-    m_data->Pop() ;
-}
-
-
-
-// insert an object reference to an already written object
-void wxXmlWriter::DoWriteRepeatedObject( int objectID ) 
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
-    pnode->AddProperty(wxString("href"), wxString::Format( "%d" , objectID ) );
-    m_data->m_current->AddChild(pnode) ;
-}
-
-// insert a null reference
-void wxXmlWriter::DoWriteNullObject() 
-{
-    wxXmlNode *pnode;
-    pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
-    m_data->m_current->AddChild(pnode) ;
-}
-
-// writes a delegate in the stream format
-void wxXmlWriter::DoWriteDelegate( const wxObject *WXUNUSED(object),  const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(pi) , 
-                                  const wxObject *eventSink, int sinkObjectID , const wxClassInfo* WXUNUSED(eventSinkClassInfo) , const wxHandlerInfo* handlerInfo ) 
-{
-    if ( eventSink != NULL && handlerInfo != NULL )
-    {
-        wxXmlAddContentToNode( m_data->m_current ,wxString::Format(wxT("%d.%s"), sinkObjectID , handlerInfo->GetName()) ) ;
-    }
-}
 
 // ----------------------------------------------------------------------------
-// reading objects in 
+// reading objects in
 // ----------------------------------------------------------------------------
 
 struct wxReader::wxReaderInternal
@@ -413,7 +323,7 @@ struct wxReader::wxReaderInternal
     map<int,wxClassInfo*> m_classInfos;
 };
 
-wxReader::wxReader() 
+wxReader::wxReader()
 {
     m_data = new wxReaderInternal;
 }
@@ -435,252 +345,25 @@ void wxReader::SetObjectClassInfo(int objectID, wxClassInfo *classInfo )
     m_data->m_classInfos[objectID] = classInfo ;
 }
 
-bool wxReader::HasObjectClassInfo( int objectID ) 
+bool wxReader::HasObjectClassInfo( int objectID )
 {
     return m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end() ;
 }
 
 
 // ----------------------------------------------------------------------------
-// reading xml in 
+// reading xml in
 // ----------------------------------------------------------------------------
 
-/* 
+/*
 Reading components has not to be extended for components
 as properties are always sought by typeinfo over all levels
 and create params are always toplevel class only
 */
 
-int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks)
-{
-    wxASSERT_MSG( callbacks , wxT("Does not support reading without a Depersistor") ) ;
-    wxString className;
-    wxClassInfo *classInfo;
-
-    wxxVariant *createParams ;
-    int *createParamOids ;
-    const wxClassInfo** createClassInfos ;
-    wxXmlNode *children;
-    int objectID;
-    wxString ObjectIdString ;
-
-    children = node->GetChildren();
-    if (!children)
-    {
-        // check for a null object or href
-        if (node->GetPropVal("href" , &ObjectIdString ) )
-        {
-            objectID = atoi( ObjectIdString.c_str() ) ;
-            wxASSERT_MSG( HasObjectClassInfo( objectID ) , wxT("Forward hrefs are not supported") ) ;
-            return objectID ;
-        }
-        if ( !node->GetPropVal("id" , &ObjectIdString ) )
-        {
-            return wxNullObjectID;
-        }
-    }
-    if (!node->GetPropVal("class", &className))
-    {
-        // No class name.  Eek. FIXME: error handling
-        return wxInvalidObjectID;
-    }
-    classInfo = wxClassInfo::FindClass(className);
-    wxASSERT_MSG( classInfo , wxString::Format(wxT("unknown class %s"),className ) ) ;
-    wxASSERT_MSG( !children || children->GetType() != wxXML_TEXT_NODE , wxT("objects cannot have XML Text Nodes") ) ;
-    if (!node->GetPropVal("id", &ObjectIdString))
-    {
-        wxASSERT_MSG(0,wxT("Objects must have an id attribute") ) ;
-        // No object id.  Eek. FIXME: error handling
-        return wxInvalidObjectID;
-    }
-    objectID = atoi( ObjectIdString.c_str() ) ;
-    // is this object already has been streamed in, return it here
-    wxASSERT_MSG( !HasObjectClassInfo( objectID ) , wxString::Format(wxT("Doubly used id : %d"), objectID ) ) ;
-
-    // new object, start with allocation
-    // first make the object know to our internal registry
-    SetObjectClassInfo( objectID , classInfo ) ;
-
-    callbacks->AllocateObject(objectID, classInfo);
-
-    // 
-    // stream back the Create parameters first
-    createParams = new wxxVariant[ classInfo->GetCreateParamCount() ] ;
-    createParamOids = new int[classInfo->GetCreateParamCount() ] ;
-    createClassInfos = new const wxClassInfo*[classInfo->GetCreateParamCount() ] ;
-
-    typedef map<string, wxXmlNode *> PropertyNodes ;
-    typedef vector<string> PropertyNames ;
-
-    PropertyNodes propertyNodes ;
-    PropertyNames propertyNames ;
-
-    while( children )
-    {
-        wxString name ;
-        children->GetPropVal( wxT("name") , &name ) ;
-        propertyNames.push_back( name.c_str() ) ;
-        propertyNodes[name.c_str()] = children->GetChildren() ;
-        children = children->GetNext() ;
-    }
-
-    for ( int i = 0 ; i <classInfo->GetCreateParamCount() ; ++i )
-    {
-        const wxChar* paramName = classInfo->GetCreateParamName(i) ;
-        PropertyNodes::iterator propiter = propertyNodes.find( paramName ) ;
-        const wxPropertyInfo* pi = classInfo->FindPropertyInfo( paramName ) ;
-        wxASSERT_MSG(pi,wxString::Format("Unkown Property %s",paramName) ) ;
-        // if we don't have the value of a create param set in the xml
-        // we use the default value
-        if ( propiter != propertyNodes.end() )
-        {
-            wxXmlNode* prop = propiter->second ;
-            if ( pi->GetTypeInfo()->IsObjectType() )
-            {
-                createParamOids[i] = ReadComponent( prop , callbacks ) ;
-                createClassInfos[i] = dynamic_cast<const wxClassTypeInfo*>(pi->GetTypeInfo())->GetClassInfo() ;
-            }
-            else
-            {
-                createParamOids[i] = wxInvalidObjectID ;
-                createParams[i] = ReadValue( prop , pi->GetTypeInfo() ) ;
-                createClassInfos[i] = NULL ;
-            }
-
-            for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
-            {
-                if ( propertyNames[j] == paramName )
-                {
-                    propertyNames[j] = "" ;
-                    break ;
-                }
-            }
-        }
-        else
-        {
-            createParams[i] = pi->GetDefaultValue() ;
-        }
-    }
-
-    // got the parameters.  Call the Create method
-    callbacks->CreateObject(objectID, classInfo,
-        classInfo->GetCreateParamCount(),
-        createParams, createParamOids, createClassInfos);
-
-    // now stream in the rest of the properties, in the sequence their properties were written in the xml
-    for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
-    {
-        if ( propertyNames[j].length() )
-        {
-            PropertyNodes::iterator propiter = propertyNodes.find( propertyNames[j] ) ;
-            if ( propiter != propertyNodes.end() )
-            {
-                wxXmlNode* prop = propiter->second ;
-                const wxPropertyInfo* pi = classInfo->FindPropertyInfo( propertyNames[j].c_str() ) ;
-                if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
-                {
-                    const wxCollectionTypeInfo* collType = dynamic_cast< const wxCollectionTypeInfo* >( pi->GetTypeInfo() ) ;
-                    const wxTypeInfo * elementType = collType->GetElementType() ;
-                    while( prop )
-                    {
-                        wxASSERT_MSG(prop->GetName() == wxT("element") , wxT("A non empty collection must consist of 'element' nodes")) ;
-                        wxXmlNode* elementContent = prop->GetChildren() ;
-                        if ( elementContent )
-                        {
-                            // we skip empty elements
-                            if ( elementType->IsObjectType() )
-                            {
-                                int valueId = ReadComponent( elementContent , callbacks ) ;
-                                if ( valueId != wxInvalidObjectID )
-                                {
-                                    if ( pi->GetAccessor()->HasAdder() )
-                                        callbacks->AddToPropertyCollectionAsObject( objectID , classInfo , pi , valueId ) ;
-                                    // TODO for collections we must have a notation on taking over ownership or not 
-                                    if ( elementType->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
-                                        callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
-                                }
-                            }
-                            else
-                            {
-                                wxxVariant elementValue = ReadValue( elementContent , elementType ) ;
-                                if ( pi->GetAccessor()->HasAdder() )
-                                    callbacks->AddToPropertyCollection( objectID , classInfo ,pi , elementValue ) ;
-                            }
-                        }
-                        prop = prop->GetNext() ;
-                    }
-                }
-                else if ( pi->GetTypeInfo()->IsObjectType() )
-                {
-                    int valueId = ReadComponent( prop , callbacks ) ;
-                    if ( valueId != wxInvalidObjectID )
-                    {
-                        callbacks->SetPropertyAsObject( objectID , classInfo , pi , valueId ) ;
-                        if ( pi->GetTypeInfo()->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
-                            callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
-                    }
-                }
-                else if ( pi->GetTypeInfo()->IsDelegateType() )
-                {
-                    if ( prop )
-                    {
-                        wxString resstring = prop->GetContent() ;
-                        wxInt32 pos = resstring.Find('.') ;
-                        assert( pos != wxNOT_FOUND ) ;
-                        int sinkOid = atol(resstring.Left(pos)) ;
-                        wxString handlerName = resstring.Mid(pos+1) ;
-                        wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ;
-
-                        callbacks->SetConnect( objectID , classInfo , dynamic_cast<const wxDelegateTypeInfo*>(pi->GetTypeInfo()) , sinkClassInfo ,
-                        sinkClassInfo->FindHandlerInfo(handlerName) ,  sinkOid ) ;
-                    }
-
-                }
-                else
-                {
-                    wxxVariant nodeval ;
-                    callbacks->SetProperty( objectID, classInfo ,pi , ReadValue( prop , pi->GetTypeInfo() ) ) ;
-                }
-            }
-        }
-    }
-
-    delete[] createParams ;
-    delete[] createParamOids ;
-    delete[] createClassInfos ;
-
-    return objectID;
-}
-
-wxxVariant wxXmlReader::ReadValue(wxXmlNode *node,
-                                  const wxTypeInfo *type )
-{
-    wxString content ;
-    if ( node )
-        content = node->GetContent() ;
-    wxxVariant result ;
-    type->ConvertFromString( content , result ) ;
-    return result ;
-}
-
-int wxXmlReader::ReadObject( const wxString &name , wxDepersister *callbacks)
-{
-    wxXmlNode *iter = m_parent->GetChildren() ;
-    while ( iter )
-    {
-        wxString entryName ;
-        if ( iter->GetPropVal("name", &entryName) )
-        {
-            if ( entryName == name )
-                return ReadComponent( iter->GetChildren() , callbacks ) ;
-        }
-        iter = iter->GetNext() ;
-    }
-    return wxInvalidObjectID ;
-}
 
 // ----------------------------------------------------------------------------
-// depersisting to memory 
+// depersisting to memory
 // ----------------------------------------------------------------------------
 
 struct wxRuntimeDepersister::wxRuntimeDepersisterInternal
@@ -712,7 +395,8 @@ wxRuntimeDepersister::~wxRuntimeDepersister()
     delete m_data ;
 }
 
-void wxRuntimeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo)
+void wxRuntimeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo ,
+                                          wxxVariantArray &WXUNUSED(metadata))
 {
     wxObject *O;
     O = classInfo->CreateObject();
@@ -724,7 +408,8 @@ void wxRuntimeDepersister::CreateObject(int objectID,
                                         int paramCount,
                                         wxxVariant *params,
                                         int *objectIdValues,
-                                        const wxClassInfo **objectClassInfos)
+                                        const wxClassInfo **objectClassInfos ,
+                                        wxxVariantArray &WXUNUSED(metadata))
 {
     wxObject *o;
     o = m_data->GetObject(objectID);
@@ -747,7 +432,37 @@ void wxRuntimeDepersister::CreateObject(int objectID,
     classInfo->Create(o, paramCount, params);
 }
 
-void wxRuntimeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo)) 
+void wxRuntimeDepersister::ConstructObject(int objectID,
+                                        const wxClassInfo *classInfo,
+                                        int paramCount,
+                                        wxxVariant *params,
+                                        int *objectIdValues,
+                                        const wxClassInfo **objectClassInfos ,
+                                        wxxVariantArray &WXUNUSED(metadata))
+{
+    wxObject *o;
+    for ( int i = 0 ; i < paramCount ; ++i )
+    {
+        if ( objectIdValues[i] != wxInvalidObjectID )
+        {
+            wxObject *o;
+            o = m_data->GetObject(objectIdValues[i]);
+            // if this is a dynamic object and we are asked for another class
+            // than wxDynamicObject we cast it down manually.
+            wxDynamicObject *dyno = dynamic_cast< wxDynamicObject * > (o) ;
+            if ( dyno!=NULL && (objectClassInfos[i] != dyno->GetClassInfo()) )
+            {
+                o = dyno->GetSuperClassInstance() ;
+            }
+            params[i] = objectClassInfos[i]->InstanceToVariant(o) ;
+        }
+    }
+    o = classInfo->ConstructObject(paramCount, params);
+    m_data->SetObject(objectID, o);
+}
+
+
+void wxRuntimeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo))
 {
     wxObject *o;
     o = m_data->GetObject(objectID);
@@ -791,13 +506,13 @@ void wxRuntimeDepersister::SetConnect(int eventSourceObjectID,
                                       const wxHandlerInfo* handlerInfo ,
                                       int eventSinkObjectID )
 {
-    wxWindow *ehsource = dynamic_cast< wxWindow* >( m_data->GetObject( eventSourceObjectID ) ) ;
+    wxEvtHandler *ehsource = dynamic_cast< wxEvtHandler* >( m_data->GetObject( eventSourceObjectID ) ) ;
     wxEvtHandler *ehsink = dynamic_cast< wxEvtHandler *>(m_data->GetObject(eventSinkObjectID) ) ;
 
     if ( ehsource && ehsink )
     {
-        ehsource->Connect( ehsource->GetId() , delegateInfo->GetEventType() , 
-            handlerInfo->GetEventFunction() , NULL /*user data*/ , 
+        ehsource->Connect( -1 , delegateInfo->GetEventType() ,
+            handlerInfo->GetEventFunction() , NULL /*user data*/ ,
             ehsink ) ;
     }
 }
@@ -809,9 +524,9 @@ wxObject *wxRuntimeDepersister::GetObject(int objectID)
 
 // adds an element to a property collection
 void wxRuntimeDepersister::AddToPropertyCollection( int objectID ,
-    const wxClassInfo *classInfo,
-    const wxPropertyInfo* propertyInfo ,
-    const wxxVariant &value) 
+                                                   const wxClassInfo *classInfo,
+                                                   const wxPropertyInfo* propertyInfo ,
+                                                   const wxxVariant &value)
 {
     wxObject *o;
     o = m_data->GetObject(objectID);
@@ -820,9 +535,9 @@ void wxRuntimeDepersister::AddToPropertyCollection( int objectID ,
 
 // sets the corresponding property (value is an object)
 void wxRuntimeDepersister::AddToPropertyCollectionAsObject(int objectID,
-    const wxClassInfo *classInfo,
-    const wxPropertyInfo* propertyInfo ,
-    int valueObjectId) 
+                                                           const wxClassInfo *classInfo,
+                                                           const wxPropertyInfo* propertyInfo ,
+                                                           int valueObjectId)
 {
     wxObject *o, *valo;
     o = m_data->GetObject(objectID);
@@ -841,29 +556,33 @@ void wxRuntimeDepersister::AddToPropertyCollectionAsObject(int objectID,
 }
 
 // ----------------------------------------------------------------------------
-// depersisting to code 
+// depersisting to code
 // ----------------------------------------------------------------------------
 
 struct wxCodeDepersister::wxCodeDepersisterInternal
 {
+#if wxUSE_UNICODE
+    map<int,wstring> m_objectNames ;
+#else
     map<int,string> m_objectNames ;
+#endif
 
     void SetObjectName(int objectID, const wxString &name )
     {
         assert(  m_objectNames.find(objectID) == m_objectNames.end()  ) ;
-        m_objectNames[objectID] = (const char *)name;
+        m_objectNames[objectID] = (const wxChar *)name;
     }
     wxString GetObjectName( int objectID )
     {
         if ( objectID == wxNullObjectID )
-            return "NULL" ;
+            return wxT("NULL") ;
 
         assert(  m_objectNames.find(objectID) != m_objectNames.end()  ) ;
         return wxString( m_objectNames[objectID].c_str() ) ;
     }
 } ;
 
-wxCodeDepersister::wxCodeDepersister(wxTextOutputStream *out) 
+wxCodeDepersister::wxCodeDepersister(wxTextOutputStream *out)
 : m_fp(out)
 {
     m_data = new wxCodeDepersisterInternal ;
@@ -874,20 +593,21 @@ wxCodeDepersister::~wxCodeDepersister()
     delete m_data ;
 }
 
-void wxCodeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo)
+void wxCodeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo ,
+                                       wxxVariantArray &WXUNUSED(metadata))
 {
-    wxString objectName = wxString::Format( "LocalObject_%d" , objectID ) ;
-    m_fp->WriteString( wxString::Format( "\t%s *%s = new %s;\n",
+    wxString objectName = wxString::Format( wxT("LocalObject_%d") , objectID ) ;
+    m_fp->WriteString( wxString::Format( wxT("\t%s *%s = new %s;\n"),
         classInfo->GetClassName(),
-        objectName,
+        objectName.c_str(),
         classInfo->GetClassName()) );
     m_data->SetObjectName( objectID , objectName ) ;
 }
 
-void wxCodeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo)) 
+void wxCodeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo))
 {
-    m_fp->WriteString( wxString::Format( "\tdelete %s;\n",
-        m_data->GetObjectName( objectID) ) );
+    m_fp->WriteString( wxString::Format( wxT("\tdelete %s;\n"),
+        m_data->GetObjectName( objectID).c_str() ) );
 }
 
 wxString wxCodeDepersister::ValueAsCode( const wxxVariant &param )
@@ -898,15 +618,15 @@ wxString wxCodeDepersister::ValueAsCode( const wxxVariant &param )
     {
         const wxCustomTypeInfo* cti = dynamic_cast<const wxCustomTypeInfo*>(type) ;
         wxASSERT_MSG( cti , wxT("Internal error, illegal wxCustomTypeInfo") ) ;
-        value.Printf( "%s(%s)",cti->GetTypeName(),param.GetAsString() );
+        value.Printf( wxT("%s(%s)"), cti->GetTypeName().c_str(),param.GetAsString().c_str() );
     }
     else if ( type->GetKind() == wxT_STRING )
     {
-        value.Printf( "\"%s\"",param.GetAsString() );
+        value.Printf( wxT("\"%s\""),param.GetAsString().c_str() );
     }
     else
     {
-        value.Printf( "%s", param.GetAsString() );
+        value.Printf( wxT("%s"), param.GetAsString().c_str() );
     }
     return value ;
 }
@@ -916,23 +636,55 @@ void wxCodeDepersister::CreateObject(int objectID,
                                      int paramCount,
                                      wxxVariant *params,
                                      int *objectIDValues,
-                                     const wxClassInfo **WXUNUSED(objectClassInfos)
+                                     const wxClassInfo **WXUNUSED(objectClassInfos) ,
+                                     wxxVariantArray &WXUNUSED(metadata)
                                      )
 {
     int i;
-    m_fp->WriteString( wxString::Format( "\t%s->Create(", m_data->GetObjectName(objectID) ) );
+    m_fp->WriteString( wxString::Format( wxT("\t%s->Create("), m_data->GetObjectName(objectID).c_str() ) );
+    for (i = 0; i < paramCount; i++)
+    {
+        if ( objectIDValues[i] != wxInvalidObjectID )
+            m_fp->WriteString( wxString::Format( wxT("%s"), m_data->GetObjectName( objectIDValues[i] ).c_str() ) );
+        else
+        {
+            m_fp->WriteString( wxString::Format( wxT("%s"), ValueAsCode(params[i]).c_str() ) );
+        }
+        if (i < paramCount - 1)
+            m_fp->WriteString( wxT(", "));
+    }
+    m_fp->WriteString( wxT(");\n") );
+}
+
+void wxCodeDepersister::ConstructObject(int objectID,
+                                     const wxClassInfo *classInfo,
+                                     int paramCount,
+                                     wxxVariant *params,
+                                     int *objectIDValues,
+                                     const wxClassInfo **WXUNUSED(objectClassInfos) ,
+                                     wxxVariantArray &WXUNUSED(metadata)
+                                     )
+{
+    wxString objectName = wxString::Format( wxT("LocalObject_%d") , objectID ) ;
+    m_fp->WriteString( wxString::Format( wxT("\t%s *%s = new %s("),
+        classInfo->GetClassName(),
+        objectName.c_str(),
+        classInfo->GetClassName()) );
+    m_data->SetObjectName( objectID , objectName ) ;
+
+    int i;
     for (i = 0; i < paramCount; i++)
     {
         if ( objectIDValues[i] != wxInvalidObjectID )
-            m_fp->WriteString( wxString::Format( "%s", m_data->GetObjectName( objectIDValues[i] ) ) );
+            m_fp->WriteString( wxString::Format( wxT("%s"), m_data->GetObjectName( objectIDValues[i] ).c_str() ) );
         else
         {
-            m_fp->WriteString( wxString::Format( "%s", ValueAsCode(params[i]) ) );
+            m_fp->WriteString( wxString::Format( wxT("%s"), ValueAsCode(params[i]).c_str() ) );
         }
         if (i < paramCount - 1)
-            m_fp->WriteString( ", ");
+            m_fp->WriteString( wxT(", ") );
     }
-    m_fp->WriteString( ");\n");
+    m_fp->WriteString( wxT(");\n") );
 }
 
 void wxCodeDepersister::SetProperty(int objectID,
@@ -940,10 +692,10 @@ void wxCodeDepersister::SetProperty(int objectID,
                                     const wxPropertyInfo* propertyInfo,
                                     const wxxVariant &value)
 {
-    m_fp->WriteString( wxString::Format( "\t%s->%s(%s);\n",
-        m_data->GetObjectName(objectID),
-        propertyInfo->GetAccessor()->GetSetterName(),
-        ValueAsCode(value)) );
+    m_fp->WriteString( wxString::Format( wxT("\t%s->%s(%s);\n"),
+        m_data->GetObjectName(objectID).c_str(),
+        propertyInfo->GetAccessor()->GetSetterName().c_str(),
+        ValueAsCode(value).c_str()) );
 }
 
 void wxCodeDepersister::SetPropertyAsObject(int objectID,
@@ -952,33 +704,33 @@ void wxCodeDepersister::SetPropertyAsObject(int objectID,
                                             int valueObjectId)
 {
     if ( propertyInfo->GetTypeInfo()->GetKind() == wxT_OBJECT )
-        m_fp->WriteString( wxString::Format( "\t%s->%s(*%s);\n",
-        m_data->GetObjectName(objectID),
-        propertyInfo->GetAccessor()->GetSetterName(),
-        m_data->GetObjectName( valueObjectId) ) );
+        m_fp->WriteString( wxString::Format( wxT("\t%s->%s(*%s);\n"),
+        m_data->GetObjectName(objectID).c_str(),
+        propertyInfo->GetAccessor()->GetSetterName().c_str(),
+        m_data->GetObjectName( valueObjectId).c_str() ) );
     else
-        m_fp->WriteString( wxString::Format( "\t%s->%s(%s);\n",
-        m_data->GetObjectName(objectID),
-        propertyInfo->GetAccessor()->GetSetterName(),
-        m_data->GetObjectName( valueObjectId) ) );
+        m_fp->WriteString( wxString::Format( wxT("\t%s->%s(%s);\n"),
+        m_data->GetObjectName(objectID).c_str(),
+        propertyInfo->GetAccessor()->GetSetterName().c_str(),
+        m_data->GetObjectName( valueObjectId).c_str() ) );
 }
 
 void wxCodeDepersister::AddToPropertyCollection( int objectID ,
-    const wxClassInfo *classInfo,
-    const wxPropertyInfo* propertyInfo ,
-    const wxxVariant &value) 
+                                                const wxClassInfo *WXUNUSED(classInfo),
+                                                const wxPropertyInfo* propertyInfo ,
+                                                const wxxVariant &value)
 {
-    m_fp->WriteString( wxString::Format( "\t%s->%s(%s);\n",
-        m_data->GetObjectName(objectID),
-        propertyInfo->GetAccessor()->GetAdderName(),
-        ValueAsCode(value)) );
+    m_fp->WriteString( wxString::Format( wxT("\t%s->%s(%s);\n"),
+        m_data->GetObjectName(objectID).c_str(),
+        propertyInfo->GetAccessor()->GetAdderName().c_str(),
+        ValueAsCode(value).c_str()) );
 }
 
 // sets the corresponding property (value is an object)
-void wxCodeDepersister::AddToPropertyCollectionAsObject(int objectID,
-    const wxClassInfo *classInfo,
-    const wxPropertyInfo* propertyInfo ,
-    int valueObjectId) 
+void wxCodeDepersister::AddToPropertyCollectionAsObject(int WXUNUSED(objectID),
+                                                        const wxClassInfo *WXUNUSED(classInfo),
+                                                        const wxPropertyInfo* WXUNUSED(propertyInfo) ,
+                                                        int WXUNUSED(valueObjectId))
 {
     // TODO
 }
@@ -996,8 +748,8 @@ void wxCodeDepersister::SetConnect(int eventSourceObjectID,
     int eventType = delegateInfo->GetEventType() ;
     wxString handlerName = handlerInfo->GetName() ;
 
-    m_fp->WriteString( wxString::Format(  "\t%s->Connect( %s->GetId() , %d , (wxObjectEventFunction)(wxEventFunction) & %s::%s , NULL , %s ) ;" , 
-        ehsource , ehsource , eventType , ehsinkClass , handlerName , ehsink ) );
+    m_fp->WriteString( wxString::Format(  wxT("\t%s->Connect( %s->GetId() , %d , (wxObjectEventFunction)(wxEventFunction) & %s::%s , NULL , %s ) ;") ,
+        ehsource.c_str() , ehsource.c_str() , eventType , ehsinkClass.c_str() , handlerName.c_str() , ehsink.c_str() ) );
 }
 
 #include <wx/arrimpl.cpp>