Make code reading BMP files more robust.

[wxWidgets.git] / src / common / xtistrm.cpp

diff --git a/src/common/xtistrm.cpp b/src/common/xtistrm.cpp
index f13341f6aaa12853e7bd7121c6ea17cb37585057..ed4a7a557c17254a70924d348e69500f33c25ffe 100644 (file)
--- a/src/common/xtistrm.cpp
+++ b/src/common/xtistrm.cpp
@@ -1,602 +1,681 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/common/xtistrm.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/common/xtistrm.cpp

-// Purpose:     streaming runtime metadata information 
+// Purpose:     streaming runtime metadata information

 // Author:      Stefan Csomor
 // Author:      Stefan Csomor

-// Modified by: 
+// Modified by:

 // Created:     27/07/03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Created:     27/07/03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "xtistrm.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

+#if wxUSE_EXTENDED_RTTI
+
+#include "wx/xtistrm.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include "wx/hash.h"

     #include "wx/object.h"
     #include "wx/object.h"

+    #include "wx/hash.h"
+    #include "wx/event.h"

 #endif
 
 #endif
 

-#include "wx/xml/xml.h"

 #include "wx/tokenzr.h"
 #include "wx/tokenzr.h"

-#include "wx/xtistrm.h"

 #include "wx/txtstrm.h"
 
 #include "wx/txtstrm.h"
 

-#if wxUSE_EXTENDED_RTTI
+// STL headers:
+
+#include "wx/beforestd.h"

 #include <map>
 #include <vector>
 #include <string>
 #include <map>
 #include <vector>
 #include <string>

+#include "wx/afterstd.h"
+using namespace std;

 
 

-using namespace std ;

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// streaming xml out 
+// wxObjectWriter

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-void WriteComponent(wxObject *Object, const wxClassInfo *classInfo, wxXmlNode *parent, const wxString& nodeName , int &nextId, bool embeddedObject, map< wxObject* , int > &writtenObjects ) ;
-
-void WriteComponentProperties( wxObject* obj , const wxClassInfo* ci , wxXmlNode *onode , int &nextId, map< wxObject* , int > &writtenObjects, map< string , int > &writtenProperties)
-{
-       const wxPropertyInfo *pi = ci->GetFirstProperty() ;
-       while( pi ) 
-       {
-               if ( writtenProperties.find( pi->GetName() ) == writtenProperties.end() )
-               {
-                       writtenProperties[ pi->GetName() ] = 1 ;
-                       const wxClassTypeInfo* cti = dynamic_cast< const wxClassTypeInfo* > ( pi->GetTypeInfo() ) ;
-                       if ( cti )
-                       {
-                               const wxClassInfo* pci = cti->GetClassInfo() ;
-                               wxxVariant value = pi->GetAccessor()->GetProperty(obj) ;
-                               WriteComponent( pci->VariantToInstance( value ) , pci , onode , pi->GetName() , nextId , 
-                                       ( cti->GetKind() == wxT_OBJECT ) , writtenObjects ) ;
-                       }
-                       else
-                       {
-                               const wxDelegateTypeInfo* dti = dynamic_cast< const wxDelegateTypeInfo* > ( pi->GetTypeInfo() ) ;
-                               if ( dti )
-                               {
-                                       // in which form should we stream out these ?
-                               }
-                               else
-                               {
-                                       wxXmlNode *pnode;
-                                       pnode = new wxXmlNode(wxXML_ELEMENT_NODE, pi->GetName() );
-                                       pi->GetAccessor()->WriteValue(pnode, obj ) ;
-                                       onode->AddChild(pnode);
-                               }
-                       }
-               }
-               pi = pi->GetNext() ;
-       }
-       const wxClassInfo** parents = ci->GetParents() ;
-       for ( int i = 0 ; parents[i] ; ++ i )
-       {
-               WriteComponentProperties( obj , parents[i] , onode , nextId , writtenObjects , writtenProperties ) ;
-       }
+struct wxObjectWriter::wxObjectWriterInternal
+{
+    map< const wxObject*, int > m_writtenObjects;
+    int m_nextId;
+};
+
+wxObjectWriter::wxObjectWriter()
+{
+    m_data = new wxObjectWriterInternal;
+    m_data->m_nextId = 0;

 }
 
 }
 

-/*
- Writing Components does have to take inheritance into account, that's why we are iterating
- over our parents as well
- */
+wxObjectWriter::~wxObjectWriter()
+{
+    delete m_data;
+}
+
+struct wxObjectWriter::wxObjectWriterInternalPropertiesData
+{
+    char nothing;
+};

 
 

-void WriteComponent(wxObject *obj, const wxClassInfo *classInfo, wxXmlNode *parent, const wxString &nodeName)
+void wxObjectWriter::ClearObjectContext()

 {
 {

-       int nextid = 0 ; // 0 is the root element
-       map< wxObject* , int > writtenobjects ;
-       WriteComponent( obj , classInfo, parent, nodeName , nextid , false , writtenobjects ) ;
+    delete m_data;
+    m_data = new wxObjectWriterInternal();
+    m_data->m_nextId = 0;

 }
 
 }
 

-void WriteComponent(wxObject *obj, const wxClassInfo *classInfo, wxXmlNode *parent, const wxString& nodeName , int &nextId, bool embeddedObject, map< wxObject* , int > &writtenObjects ) 
-{
-       map< string , int > writtenProperties ;
-       wxXmlNode *onode;
-
-    onode = new wxXmlNode(wxXML_ELEMENT_NODE, nodeName);
-
-       onode->AddProperty(wxString("class"), wxString(classInfo->GetClassName()));
-       if ( obj == NULL )
-       {
-           wxXmlNode* nullnode = new wxXmlNode(wxXML_TEXT_NODE, wxEmptyString, "null");
-           onode->AddChild(nullnode);
-       }
-       else
-       {
-               // if we have already written this object, just insert an id
-               // embedded objects have to be written out fully always, their address will be reused and is not a valid key
-               if ( !embeddedObject && (writtenObjects.find( obj ) != writtenObjects.end()) )
-               {
-                       onode->AddProperty(wxString("id"), wxString::Format( "%d" , writtenObjects[obj] ) );
-               }
-               else
-               {
-                       int id = nextId++ ;
-                       if ( !embeddedObject )
-                               writtenObjects[obj] = id ;
-                       onode->AddProperty(wxString("id"), wxString::Format( "%d" , id ) );
-                       WriteComponentProperties( obj , classInfo , onode , nextId , writtenObjects, writtenProperties) ;
-               }
-       }
-
-       parent->AddChild(onode);
+void wxObjectWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo, 
+                           wxObjectWriterCallback *writercallback, const wxString &name, 
+                           const wxStringToAnyHashMap &metadata )
+{
+    DoBeginWriteTopLevelEntry( name );
+    WriteObject( object, classInfo, writercallback, false, metadata);
+    DoEndWriteTopLevelEntry( name );

 }
 
 }
 

-// ----------------------------------------------------------------------------
-// reading objects in 
-// ----------------------------------------------------------------------------
+void wxObjectWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo, 
+                           wxObjectWriterCallback *writercallback, bool isEmbedded, 
+                           const wxStringToAnyHashMap &metadata )
+{
+    if ( !classInfo->BeforeWriteObject( object, this, writercallback, metadata) )
+        return;
+
+    if ( writercallback->BeforeWriteObject( this, object, classInfo, metadata) )
+    {
+        if ( object == NULL )
+            DoWriteNullObject();
+        else if ( IsObjectKnown( object ) )
+            DoWriteRepeatedObject( GetObjectID(object) );
+        else
+        {
+            int oid = m_data->m_nextId++;
+            if ( !isEmbedded )
+                m_data->m_writtenObjects[object] = oid;
+
+            // in case this object is a wxDynamicObject we also have to insert is superclass
+            // instance with the same id, so that object relations are streamed out correctly
+            const wxDynamicObject* dynobj = wx_dynamic_cast(const wxDynamicObject*, object);
+            if ( !isEmbedded && dynobj )
+                m_data->m_writtenObjects[dynobj->GetSuperClassInstance()] = oid;
+
+            DoBeginWriteObject( object, classInfo, oid, metadata );
+            wxObjectWriterInternalPropertiesData data;
+            WriteAllProperties( object, classInfo, writercallback, &data );
+            DoEndWriteObject( object, classInfo, oid  );
+        }
+        writercallback->AfterWriteObject( this,object, classInfo );
+    }
+}

 
 

-struct wxReader::wxReaderInternal
+void wxObjectWriter::FindConnectEntry(const wxEvtHandler * evSource,
+                                const wxEventSourceTypeInfo* dti, 
+                                const wxObject* &sink, 
+                                const wxHandlerInfo *&handler)

 {
 {

-    map<int,wxClassInfo*> m_classInfos;
-};
+    wxList *dynamicEvents = evSource->GetDynamicEventTable();

 
 

-wxReader::wxReader() 
+    if ( dynamicEvents )
+    {
+        for ( wxList::const_iterator node = dynamicEvents->begin(); node != dynamicEvents->end(); ++node )
+        {
+            wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)(*node);
+
+            // find the match
+            if ( entry->m_fn &&
+                (dti->GetEventType() == entry->m_eventType) &&
+                (entry->m_id == -1 ) &&
+                (entry->m_fn->GetEvtHandler() != NULL ) )
+            {
+                sink = entry->m_fn->GetEvtHandler();
+                const wxClassInfo* sinkClassInfo = sink->GetClassInfo();
+                const wxHandlerInfo* sinkHandler = sinkClassInfo->GetFirstHandler();
+                while ( sinkHandler )
+                {
+                    if ( sinkHandler->GetEventFunction() == entry->m_fn->GetEvtMethod() )
+                    {
+                        handler = sinkHandler;
+                        break;
+                    }
+                    sinkHandler = sinkHandler->GetNext();
+                }
+                break;
+            }
+        }
+    }
+}
+void wxObjectWriter::WriteAllProperties( const wxObject * obj, const wxClassInfo* ci, 
+                                   wxObjectWriterCallback *writercallback, 
+                                   wxObjectWriterInternalPropertiesData * data )

 {
 {

-    m_data = new wxReaderInternal;
+    wxPropertyInfoMap map;
+    ci->GetProperties( map );
+    for ( int i = 0; i < ci->GetCreateParamCount(); ++i )
+    {
+        wxString name = ci->GetCreateParamName(i);
+        wxPropertyInfoMap::const_iterator iter = map.find(name);
+        const wxPropertyInfo* prop = iter == map.end() ? NULL : iter->second;
+        if ( prop )
+        {
+            WriteOneProperty( obj, prop->GetDeclaringClass(), prop, writercallback, data );
+        }
+        else
+        {
+            wxLogError( _("Create Parameter %s not found in declared RTTI Parameters"), name.c_str() );
+        }
+        map.erase( name );
+    }
+    { // Extra block for broken compilers
+        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, writercallback, data );
+            }
+        }
+    }
+    { // Extra block for broken compilers
+        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, writercallback, data );
+            }
+        }
+    }

 }
 
 }
 

-wxReader::~wxReader()
+class WXDLLIMPEXP_BASE wxObjectPropertyWriter: public wxObjectWriterFunctor

 {
 {

-    delete m_data;
-}
+public:
+    wxObjectPropertyWriter(const wxClassTypeInfo* cti,
+        wxObjectWriterCallback *writercallback,
+        wxObjectWriter* writer,
+        wxStringToAnyHashMap &props) : 
+    m_cti(cti),m_persister(writercallback),m_writer(writer),m_props(props)
+    {}
+
+    virtual void operator()(const wxObject *vobj)
+    {
+        m_writer->WriteObject( vobj, (vobj ? vobj->GetClassInfo() : m_cti->GetClassInfo() ), 
+            m_persister, m_cti->GetKind()== wxT_OBJECT, m_props );
+    }
+private:
+    const wxClassTypeInfo* m_cti;
+    wxObjectWriterCallback *m_persister;
+    wxObjectWriter* m_writer;
+    wxStringToAnyHashMap& m_props;
+};

 
 

-wxClassInfo* wxReader::GetObjectClassInfo(int objectID)
+void wxObjectWriter::WriteOneProperty( const wxObject *obj, const wxClassInfo* ci, 
+                                 const wxPropertyInfo* pi, wxObjectWriterCallback *writercallback, 
+                                 wxObjectWriterInternalPropertiesData *WXUNUSED(data) )

 {
 {

-    assert( m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end() );
-    return m_data->m_classInfos[objectID] ;
+    if ( pi->GetFlags() & wxPROP_DONT_STREAM )
+        return;
+
+    // make sure that we are picking the correct object for accessing the property
+    const wxDynamicObject* dynobj = wx_dynamic_cast(const wxDynamicObject*, obj );
+    if ( dynobj && (wx_dynamic_cast(const wxDynamicClassInfo*, ci) == NULL) )
+        obj = dynobj->GetSuperClassInstance();
+
+    if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
+    {
+        wxAnyList data;
+        pi->GetAccessor()->GetPropertyCollection(obj, data);
+        const wxTypeInfo * elementType = 
+            wx_dynamic_cast( const wxCollectionTypeInfo*, pi->GetTypeInfo() )->GetElementType();
+        if ( !data.empty() )
+        {
+            DoBeginWriteProperty( pi );
+            for ( wxAnyList::const_iterator iter = data.begin(); iter != data.end(); ++iter )
+            {
+                DoBeginWriteElement();
+                const wxAny* valptr = *iter;
+                if ( writercallback->BeforeWriteProperty( this, obj, pi, *valptr ) )
+                {
+                    const wxClassTypeInfo* cti = 
+                        wx_dynamic_cast( const wxClassTypeInfo*, elementType );
+                    if ( cti )
+                    {
+                        wxStringToAnyHashMap md;
+                        wxObjectPropertyWriter pw(cti,writercallback,this, md);
+
+                        const wxClassInfo* pci = cti->GetClassInfo();
+                        pci->CallOnAny( *valptr, &pw);
+                    }
+                    else
+                    {
+                        DoWriteSimpleType( *valptr );
+                    }
+                }
+                DoEndWriteElement();
+            }
+            DoEndWriteProperty( pi );
+        }
+    }
+    else
+    {
+        const wxEventSourceTypeInfo* dti = 
+            wx_dynamic_cast( const wxEventSourceTypeInfo* , pi->GetTypeInfo() );
+        if ( dti )
+        {
+            const wxObject* sink = NULL;
+            const wxHandlerInfo *handler = NULL;
+
+            const wxEvtHandler * evSource = wx_dynamic_cast(const wxEvtHandler *, obj);
+            if ( evSource )
+            {
+                FindConnectEntry( evSource, dti, sink, handler );
+                if ( writercallback->BeforeWriteDelegate( this, obj, ci, pi, sink, handler ) )
+                {
+                    if ( sink != NULL && handler != NULL )
+                    {
+                        DoBeginWriteProperty( pi );
+                        if ( IsObjectKnown( sink ) )
+                        {
+                            DoWriteDelegate( obj, ci, pi, sink, GetObjectID( sink ), 
+                                             sink->GetClassInfo(), handler );
+                            DoEndWriteProperty( pi );
+                        }
+                        else
+                        {
+                            wxLogError( wxT("Streaming delegates for not already ")
+                                        wxT("streamed objects not yet supported") );
+                        }
+                    }
+                }
+            }
+            else
+            {
+                wxLogError(_("Illegal Object Class (Non-wxEvtHandler) as Event Source") );
+            }
+        }
+        else
+        {
+            wxAny value;
+            pi->GetAccessor()->GetProperty(obj, value);
+
+            // avoid streaming out void objects
+            // TODO Verify
+            if( value.IsNull() )
+                return;
+
+            if ( pi->GetFlags() & wxPROP_ENUM_STORE_LONG )
+            {
+                const wxEnumTypeInfo *eti = 
+                    wx_dynamic_cast(const wxEnumTypeInfo*,  pi->GetTypeInfo() );
+                if ( eti )
+                {
+                    eti->ConvertFromLong( wxANY_AS(value, long ), value );
+                }
+                else
+                {
+                    wxLogError( _("Type must have enum - long conversion") );
+                }
+            }
+
+            // avoid streaming out default values
+            if ( pi->GetTypeInfo()->HasStringConverters() && 
+                 !pi->GetDefaultValue().IsNull() ) // TODO Verify
+            {
+                if ( wxAnyGetAsString(value) == wxAnyGetAsString(pi->GetDefaultValue()) )
+                    return;
+            }
+
+            // avoid streaming out null objects
+            const wxClassTypeInfo* cti = 
+                wx_dynamic_cast( const wxClassTypeInfo* , pi->GetTypeInfo() );
+
+            if ( cti && cti->GetKind() == wxT_OBJECT_PTR && wxAnyGetAsObjectPtr(value) == NULL )
+                return;
+
+            if ( writercallback->BeforeWriteProperty( this, obj, pi, value ) )
+            {
+                DoBeginWriteProperty( pi );
+                if ( cti )
+                {
+                    if ( cti->HasStringConverters() )
+                    {
+                        wxString stringValue;
+                        cti->ConvertToString( value, stringValue );
+                        wxAny convertedValue(stringValue);
+                        DoWriteSimpleType( convertedValue );
+                    }
+                    else
+                    {
+                        wxStringToAnyHashMap md;
+                        wxObjectPropertyWriter pw(cti,writercallback,this, md);
+
+                        const wxClassInfo* pci = cti->GetClassInfo();
+                        pci->CallOnAny(value, &pw);
+                    }
+                }
+                else
+                {
+                    DoWriteSimpleType( value );
+                }
+                DoEndWriteProperty( pi );
+            }
+        }
+    }

 }
 
 }
 

-void wxReader::SetObjectClassInfo(int objectID, wxClassInfo *classInfo )
+int wxObjectWriter::GetObjectID(const wxObject *obj)

 {
 {

-       assert(  m_data->m_classInfos.find(objectID) == m_data->m_classInfos.end()  ) ;
-       m_data->m_classInfos[objectID] = classInfo ;
+    if ( !IsObjectKnown( obj ) )
+        return wxInvalidObjectID;
+
+    return m_data->m_writtenObjects[obj];

 }
 
 }
 

-bool wxReader::HasObjectClassInfo( int objectID ) 
+bool wxObjectWriter::IsObjectKnown( const wxObject *obj )

 {
 {

-       return m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end() ;
+    return m_data->m_writtenObjects.find( obj ) != m_data->m_writtenObjects.end();

 }
 
 
 // ----------------------------------------------------------------------------
 }
 
 
 // ----------------------------------------------------------------------------

-// reading xml in 
+// wxObjectReader

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-/* 
-       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
-*/
+struct wxObjectReader::wxObjectReaderInternal
+{
+    map<int,wxClassInfo*> m_classInfos;
+};

 
 

-int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks)
+wxObjectReader::wxObjectReader()

 {
 {

-    wxString className;
-    wxClassInfo *classInfo;
+    m_data = new wxObjectReaderInternal;
+}

 
 

-       wxxVariant *createParams ;
-       int *createParamOids ;
-       const wxClassInfo** createClassInfos ;
-    wxXmlNode *children;
-    int objectID;
+wxObjectReader::~wxObjectReader()
+{
+    delete m_data;
+}

 
 

-    children = node->GetChildren();
-    if (!node->GetPropVal("class", &className))
+wxClassInfo* wxObjectReader::GetObjectClassInfo(int objectID)
+{
+    if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )

     {
     {

-               // No class name.  Eek. FIXME: error handling
-               return wxInvalidObjectID;
+        wxLogError( _("Invalid or Null Object ID passed to GetObjectClassInfo" ) );
+        return NULL;

     }
     }

-       classInfo = wxClassInfo::FindClass(className);
-    if (children && children->GetType() == wxXML_TEXT_NODE)
+    if ( m_data->m_classInfos.find(objectID) == m_data->m_classInfos.end() )

     {
     {

-               assert( wxXmlGetContentFromNode(node) == "null" ) ;
-               // this must be a NULL component reference.  We just bail out
-               return wxNullObjectID;
-       }
-
-       wxString ObjectIdString ;
-    if (!node->GetPropVal("id", &ObjectIdString))
-    {
-               // No object id.  Eek. FIXME: error handling
-               return wxInvalidObjectID;
+        wxLogError( _("Unknown Object passed to GetObjectClassInfo" ) );
+        return NULL;

     }
     }

-
-    objectID = atoi( ObjectIdString.c_str() ) ;
-       // is this object already has been streamed in, return it here
-       if ( HasObjectClassInfo( objectID ) )
-               return 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 )
-       {
-               propertyNames.push_back( children->GetName().c_str() ) ;
-               propertyNodes[children->GetName().c_str()] = children ;
-               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 ) ;
-               // 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->GetAccessor() ) ;
-                               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()->IsObjectType() )
-                               {
-                                       int valueId = ReadComponent( prop , callbacks ) ;
-                                       if ( 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() )
-                               {
-                                       wxString resstring = wxXmlGetContentFromNode(prop) ;
-                                       wxInt32 pos = resstring.Find('.') ;
-                                       assert( pos != wxNOT_FOUND ) ;
-                                       int sinkOid = atol(resstring.Left(pos)) ;
-                                       wxString handlerName = resstring.Mid(pos+1) ;
-                                       wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ;
-                                       
-                                       if (callbacks)
-                                               callbacks->SetConnect( objectID , classInfo , dynamic_cast<const wxDelegateTypeInfo*>(pi->GetTypeInfo()) , sinkClassInfo ,
-                                                       sinkClassInfo->FindHandlerInfo(handlerName) ,  sinkOid ) ;
-
-                               }
-                               else
-                               {
-                                       if ( callbacks )
-                                               callbacks->SetProperty( objectID, classInfo ,pi , ReadValue( prop , pi->GetAccessor() ) ) ;
-                               }
-                       }
-               }
-       }
-
-       delete[] createParams ;
-       delete[] createParamOids ;
-       delete[] createClassInfos ;
-
-    return objectID;
+    return m_data->m_classInfos[objectID];

 }
 
 }
 

-wxxVariant wxXmlReader::ReadValue(wxXmlNode *node,
-                                         wxPropertyAccessor *accessor )
+void wxObjectReader::SetObjectClassInfo(int objectID, wxClassInfo *classInfo )

 {
 {

-       return accessor->ReadValue(node) ;
+    if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )
+    {
+        wxLogError( _("Invalid or Null Object ID passed to GetObjectClassInfo" ) );
+        return;
+    }
+    if ( m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end() )
+    {
+        wxLogError( _("Already Registered Object passed to SetObjectClassInfo" ) );
+        return;
+    }
+    m_data->m_classInfos[objectID] = classInfo;

 }
 
 }
 

-int wxXmlReader::ReadObject(wxDepersister *callbacks)
+bool wxObjectReader::HasObjectClassInfo( int objectID )

 {
 {

-       return ReadComponent( m_parent , callbacks ) ;
+    if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )
+    {
+        wxLogError( _("Invalid or Null Object ID passed to HasObjectClassInfo" ) );
+        return false;
+    }
+    return m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end();

 }
 
 }
 

+
+// ----------------------------------------------------------------------------
+// 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
+*/
+
+

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// depersisting to memory 
+// wxObjectRuntimeReaderCallback - depersisting to memory

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-struct wxRuntimeDepersister::wxRuntimeDepersisterInternal
+struct wxObjectRuntimeReaderCallback::wxObjectRuntimeReaderCallbackInternal

 {
     map<int,wxObject *> m_objects;
 
 {
     map<int,wxObject *> m_objects;
 

-       void SetObject(int objectID, wxObject *obj )
-       {
-               assert(  m_objects.find(objectID) == m_objects.end()  ) ;
-               m_objects[objectID] = obj ;
-       }
-       wxObject* GetObject( int objectID )
-       {
-               if ( objectID == wxNullObjectID )
-                       return NULL ;
-
-               assert(  m_objects.find(objectID) != m_objects.end()  ) ;
-               return m_objects[objectID] ;
-       }
-} ;
+    void SetObject(int objectID, wxObject *obj )
+    {
+        if ( m_objects.find(objectID) != m_objects.end() )
+        {
+            wxLogError( _("Passing a already registered object to SetObject") );
+            return ;
+        }
+        m_objects[objectID] = obj;
+    }
+    wxObject* GetObject( int objectID )
+    {
+        if ( objectID == wxNullObjectID )
+            return NULL;
+        if ( m_objects.find(objectID) == m_objects.end() )
+        {
+            wxLogError( _("Passing an unknown object to GetObject") );
+            return NULL;
+        }
+
+        return m_objects[objectID];
+    }
+};

 
 

-wxRuntimeDepersister::wxRuntimeDepersister()
+wxObjectRuntimeReaderCallback::wxObjectRuntimeReaderCallback()

 {
 {

-       m_data = new wxRuntimeDepersisterInternal() ;
+    m_data = new wxObjectRuntimeReaderCallbackInternal();

 }
 
 }
 

-wxRuntimeDepersister::~wxRuntimeDepersister()
+wxObjectRuntimeReaderCallback::~wxObjectRuntimeReaderCallback()

 {
 {

-       delete m_data ;
+    delete m_data;

 }
 
 }
 

-void wxRuntimeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo)
+void wxObjectRuntimeReaderCallback::AllocateObject(int objectID, wxClassInfo *classInfo,
+                                          wxStringToAnyHashMap &WXUNUSED(metadata))

 {
     wxObject *O;
     O = classInfo->CreateObject();
     m_data->SetObject(objectID, O);
 }
 
 {
     wxObject *O;
     O = classInfo->CreateObject();
     m_data->SetObject(objectID, O);
 }
 

-void wxRuntimeDepersister::CreateObject(int objectID,
-                                      const wxClassInfo *classInfo,
-                                      int paramCount,
-                                          wxxVariant *params,
-                                          int *objectIdValues,
-                                               const wxClassInfo **objectClassInfos)
+void wxObjectRuntimeReaderCallback::CreateObject(int objectID,
+                                        const wxClassInfo *classInfo,
+                                        int paramCount,
+                                        wxAny *params,
+                                        int *objectIdValues,
+                                        const wxClassInfo **objectClassInfos,
+                                        wxStringToAnyHashMap &WXUNUSED(metadata))

 {
     wxObject *o;
     o = m_data->GetObject(objectID);
 {
     wxObject *o;
     o = m_data->GetObject(objectID);

-       for ( int i = 0 ; i < paramCount ; ++i )
-       {
-               if ( objectIdValues[i] != wxInvalidObjectID )
-               {
-                       wxObject *o;
-                       o = m_data->GetObject(objectIdValues[i]);
-                       params[i] = objectClassInfos[i]->InstanceToVariant(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 = wx_dynamic_cast( wxDynamicObject *, o);
+            if ( dyno!=NULL && (objectClassInfos[i] != dyno->GetClassInfo()) )
+            {
+                o = dyno->GetSuperClassInstance();
+            }
+            params[i] = objectClassInfos[i]->ObjectPtrToAny(o);
+        }
+    }

     classInfo->Create(o, paramCount, params);
 }
 
     classInfo->Create(o, paramCount, params);
 }
 

-void wxRuntimeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo)) 
+void wxObjectRuntimeReaderCallback::ConstructObject(int objectID,
+                                        const wxClassInfo *classInfo,
+                                        int paramCount,
+                                        wxAny *params,
+                                        int *objectIdValues,
+                                        const wxClassInfo **objectClassInfos,
+                                        wxStringToAnyHashMap &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 = wx_dynamic_cast( wxDynamicObject *, o);
+            if ( dyno!=NULL && (objectClassInfos[i] != dyno->GetClassInfo()) )
+            {
+                o = dyno->GetSuperClassInstance();
+            }
+            params[i] = objectClassInfos[i]->ObjectPtrToAny(o);
+        }
+    }
+    o = classInfo->ConstructObject(paramCount, params);
+    m_data->SetObject(objectID, o);
+}
+
+
+void wxObjectRuntimeReaderCallback::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo))

 {
     wxObject *o;
     o = m_data->GetObject(objectID);
 {
     wxObject *o;
     o = m_data->GetObject(objectID);

-       delete o ;
+    delete o;

 }
 
 }
 

-void wxRuntimeDepersister::SetProperty(int objectID,
-                                     const wxClassInfo *WXUNUSED(classInfo),
-                                     const wxPropertyInfo* propertyInfo,
-                                     const wxxVariant &value)
+void wxObjectRuntimeReaderCallback::SetProperty(int objectID,
+                                       const wxClassInfo *classInfo,
+                                       const wxPropertyInfo* propertyInfo,
+                                       const wxAny &value)

 {
     wxObject *o;
     o = m_data->GetObject(objectID);
 {
     wxObject *o;
     o = m_data->GetObject(objectID);

-       propertyInfo->GetAccessor()->SetProperty( o , value ) ;
+    classInfo->SetProperty( o, propertyInfo->GetName().c_str(), value );

 }
 
 }
 

-void wxRuntimeDepersister::SetPropertyAsObject(int objectID,
-                                     const wxClassInfo *WXUNUSED(classInfo),
-                                     const wxPropertyInfo* propertyInfo,
-                                     int valueObjectId)
+void wxObjectRuntimeReaderCallback::SetPropertyAsObject(int objectID,
+                                               const wxClassInfo *classInfo,
+                                               const wxPropertyInfo* propertyInfo,
+                                               int valueObjectId)

 {
     wxObject *o, *valo;
     o = m_data->GetObject(objectID);
     valo = m_data->GetObject(valueObjectId);
 {
     wxObject *o, *valo;
     o = m_data->GetObject(objectID);
     valo = m_data->GetObject(valueObjectId);

-       propertyInfo->GetAccessor()->SetProperty( o , 
-               (dynamic_cast<const wxClassTypeInfo*>(propertyInfo->GetTypeInfo()))->GetClassInfo()->InstanceToVariant(valo) ) ;
-}
+    const wxClassInfo* valClassInfo = 
+        (wx_dynamic_cast(const wxClassTypeInfo*,propertyInfo->GetTypeInfo()))->GetClassInfo();

 
 

-void wxRuntimeDepersister::SetConnect(int eventSourceObjectID,
-                            const wxClassInfo *WXUNUSED(eventSourceClassInfo),
-                                const wxDelegateTypeInfo *delegateInfo ,
-                                const wxClassInfo *WXUNUSED(eventSinkClassInfo) ,
-                                const wxHandlerInfo* handlerInfo ,
-                                int eventSinkObjectID )
-{
-               wxWindow *ehsource = dynamic_cast< wxWindow* >( 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*/ , 
-                               ehsink ) ;
-               }
-}
+    // if this is a dynamic object and we are asked for another class
+    // than wxDynamicObject we cast it down manually.
+    wxDynamicObject *dynvalo = wx_dynamic_cast( wxDynamicObject *, valo);
+    if ( dynvalo!=NULL  && (valClassInfo != dynvalo->GetClassInfo()) )
+    {
+        valo = dynvalo->GetSuperClassInstance();
+    }

 
 

-wxObject *wxRuntimeDepersister::GetObject(int objectID)
-{
-       return m_data->GetObject( objectID ) ;
+    classInfo->SetProperty( o, propertyInfo->GetName().c_str(),
+                            valClassInfo->ObjectPtrToAny(valo) );

 }
 
 }
 

-
-// ----------------------------------------------------------------------------
-// depersisting to code 
-// ----------------------------------------------------------------------------
-
-struct wxCodeDepersister::wxCodeDepersisterInternal
+void wxObjectRuntimeReaderCallback::SetConnect(int eventSourceObjectID,
+                                      const wxClassInfo *WXUNUSED(eventSourceClassInfo),
+                                      const wxPropertyInfo *delegateInfo,
+                                      const wxClassInfo *WXUNUSED(eventSinkClassInfo),
+                                      const wxHandlerInfo* handlerInfo,
+                                      int eventSinkObjectID )

 {
 {

-    map<int,string> m_objectNames ;
-
-       void SetObjectName(int objectID, const wxString &name )
-       {
-               assert(  m_objectNames.find(objectID) == m_objectNames.end()  ) ;
-               m_objectNames[objectID] = (const char *)name;
-       }
-       wxString GetObjectName( int objectID )
-       {
-               if ( objectID == wxNullObjectID )
-                       return "NULL" ;
-
-               assert(  m_objectNames.find(objectID) != m_objectNames.end()  ) ;
-               return wxString( m_objectNames[objectID].c_str() ) ;
-       }
-} ;
+    wxEvtHandler *ehsource = 
+        wx_dynamic_cast( wxEvtHandler* , m_data->GetObject( eventSourceObjectID ) );
+    wxEvtHandler *ehsink = 
+        wx_dynamic_cast( wxEvtHandler *,m_data->GetObject(eventSinkObjectID) );

 
 

-wxCodeDepersister::wxCodeDepersister(wxTextOutputStream *out) 
-       : m_fp(out)
-{
-       m_data = new wxCodeDepersisterInternal ;
+    if ( ehsource && ehsink )
+    {
+        const wxEventSourceTypeInfo *delegateTypeInfo = 
+            wx_dynamic_cast(const wxEventSourceTypeInfo*,delegateInfo->GetTypeInfo());
+        if( delegateTypeInfo && delegateTypeInfo->GetLastEventType() == -1 )
+        {
+            ehsource->Connect( -1, delegateTypeInfo->GetEventType(),
+                handlerInfo->GetEventFunction(), NULL /*user data*/,
+                ehsink );
+        }
+        else
+        {
+            for ( wxEventType iter = delegateTypeInfo->GetEventType(); 
+                  iter <= delegateTypeInfo->GetLastEventType(); ++iter )
+            {
+                ehsource->Connect( -1, iter,
+                    handlerInfo->GetEventFunction(), NULL /*user data*/,
+                    ehsink );
+            }
+        }
+    }

 }
 
 }
 

-wxCodeDepersister::~wxCodeDepersister()
+wxObject *wxObjectRuntimeReaderCallback::GetObject(int objectID)

 {
 {

-       delete m_data ;
+    return m_data->GetObject( objectID );

 }
 
 }
 

-void wxCodeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo)
+void wxObjectRuntimeReaderCallback::AddToPropertyCollection( int objectID,
+                                                   const wxClassInfo *classInfo,
+                                                   const wxPropertyInfo* propertyInfo,
+                                                   const wxAny &value)

 {
 {

-       wxString objectName = wxString::Format( "LocalObject_%d" , objectID ) ;
-       m_fp->WriteString( wxString::Format( "\t%s *%s = new %s;\n",
-           classInfo->GetClassName(),
-           objectName,
-           classInfo->GetClassName()) );
-       m_data->SetObjectName( objectID , objectName ) ;
+    wxObject *o;
+    o = m_data->GetObject(objectID);
+    classInfo->AddToPropertyCollection( o, propertyInfo->GetName().c_str(), value );

 }
 
 }
 

-void wxCodeDepersister::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo)) 
+void wxObjectRuntimeReaderCallback::AddToPropertyCollectionAsObject(int objectID,
+                                                           const wxClassInfo *classInfo,
+                                                           const wxPropertyInfo* propertyInfo,
+                                                           int valueObjectId)

 {
 {

-       m_fp->WriteString( wxString::Format( "\tdelete %s;\n",
-           m_data->GetObjectName( objectID) ) );
-}
-
-wxString wxCodeDepersister::ValueAsCode( const wxxVariant &param )
-{
-       wxString value ;
-       const wxTypeInfo* type = param.GetTypeInfo() ;
-       if ( type->GetKind() == wxT_CUSTOM )
-       {
-               const wxCustomTypeInfo* cti = dynamic_cast<const wxCustomTypeInfo*>(type) ;
-               wxASSERT_MSG( cti , wxT("Internal error, illegal wxCustomTypeInfo") ) ;
-               value.Printf( "%s(%s)",cti->GetTypeName(),param.GetAsString() );
-       }
-       else if ( type->GetKind() == wxT_STRING )
-       {
-               value.Printf( "\"%s\"",param.GetAsString() );
-       }
-       else
-       {
-               value.Printf( "%s", param.GetAsString() );
-       }
-       return value ;
-}
-
-void wxCodeDepersister::CreateObject(int objectID,
-                                   const wxClassInfo *WXUNUSED(classInfo),
-                                   int paramCount,
-                                   wxxVariant *params,
-                                       int *objectIDValues,
-                                 const wxClassInfo **WXUNUSED(objectClassInfos)
-                                       )
-{
-    int i;
-       m_fp->WriteString( wxString::Format( "\t%s->Create(", m_data->GetObjectName(objectID) ) );
-    for (i = 0; i < paramCount; i++)
+    wxObject *o, *valo;
+    o = m_data->GetObject(objectID);
+    valo = m_data->GetObject(valueObjectId);
+    const wxCollectionTypeInfo * collectionTypeInfo = 
+        wx_dynamic_cast( const wxCollectionTypeInfo *, propertyInfo->GetTypeInfo() );
+    const wxClassInfo* valClassInfo = 
+        (wx_dynamic_cast(const wxClassTypeInfo*,collectionTypeInfo->GetElementType()))->GetClassInfo();
+
+    // if this is a dynamic object and we are asked for another class
+    // than wxDynamicObject we cast it down manually.
+    wxDynamicObject *dynvalo = wx_dynamic_cast( wxDynamicObject *, valo);
+    if ( dynvalo!=NULL  && (valClassInfo != dynvalo->GetClassInfo()) )

     {
     {

-               if ( objectIDValues[i] != wxInvalidObjectID )
-                       m_fp->WriteString( wxString::Format( "%s", m_data->GetObjectName( objectIDValues[i] ) ) );
-               else
-               {
-                       m_fp->WriteString( wxString::Format( "%s", ValueAsCode(params[i]) ) );
-               }
-               if (i < paramCount - 1)
-                       m_fp->WriteString( ", ");
+        valo = dynvalo->GetSuperClassInstance();

     }
     }

-    m_fp->WriteString( ");\n");
-}
-
-void wxCodeDepersister::SetProperty(int objectID,
-                                  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()->GetSetterName(),
-           ValueAsCode(value)) );
-}

 
 

-void wxCodeDepersister::SetPropertyAsObject(int objectID,
-                                  const wxClassInfo *WXUNUSED(classInfo),
-                                  const wxPropertyInfo* propertyInfo,
-                                  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) ) );
-       else
-               m_fp->WriteString( wxString::Format( "\t%s->%s(%s);\n",
-                       m_data->GetObjectName(objectID),
-                       propertyInfo->GetAccessor()->GetSetterName(),
-                       m_data->GetObjectName( valueObjectId) ) );
+    classInfo->AddToPropertyCollection( o, propertyInfo->GetName().c_str(),
+                                        valClassInfo->ObjectPtrToAny(valo) );

 }
 
 }
 

-void wxCodeDepersister::SetConnect(int eventSourceObjectID,
-                            const wxClassInfo *WXUNUSED(eventSourceClassInfo),
-                                const wxDelegateTypeInfo *delegateInfo ,
-                                const wxClassInfo *eventSinkClassInfo ,
-                                const wxHandlerInfo* handlerInfo ,
-                                int eventSinkObjectID )
-{
-       wxString ehsource = m_data->GetObjectName( eventSourceObjectID ) ;
-       wxString ehsink = m_data->GetObjectName(eventSinkObjectID) ;
-       wxString ehsinkClass = eventSinkClassInfo->GetClassName() ;
-       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 ) );
-}
-
-#endif
+#endif // wxUSE_EXTENDED_RTTI