wxWidgets/include/wx/xtixml.h
2003-08-23 19:40:04 +00:00

111 lines
3.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/xtixml.h
// Purpose: xml streaming runtime metadata information (extended class info)
// Author: Stefan Csomor
// Modified by:
// Created: 27/07/03
// RCS-ID: $Id$
// Copyright: (c) 2003 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_XTIXMLH__
#define _WX_XTIXMLH__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "xtixml.h"
#endif
#include "wx/wx.h"
#if wxUSE_EXTENDED_RTTI
#include "wx/xtistrm.h"
class wxXmlNode ;
class wxXmlWriter : public wxWriter
{
public :
wxXmlWriter( wxXmlNode * parent ) ;
~wxXmlWriter() ;
//
// streaming callbacks
//
// these callbacks really write out the values in the stream format
//
//
// streaming callbacks
//
// these callbacks really write out the values in the stream format
// begins writing out a new toplevel entry which has the indicated unique name
virtual void DoBeginWriteTopLevelEntry( const wxString &name ) ;
// ends writing out a new toplevel entry which has the indicated unique name
virtual void DoEndWriteTopLevelEntry( const wxString &name ) ;
// start of writing an object having the passed in ID
virtual void DoBeginWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata ) ;
// end of writing an toplevel object name param is used for unique identification within the container
virtual void DoEndWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) ;
// writes a simple property in the stream format
virtual void DoWriteSimpleType( wxxVariant &value ) ;
// start of writing a complex property into the stream (
virtual void DoBeginWriteProperty( const wxPropertyInfo *propInfo ) ;
// end of writing a complex property into the stream
virtual void DoEndWriteProperty( const wxPropertyInfo *propInfo ) ;
virtual void DoBeginWriteElement() ;
virtual void DoEndWriteElement() ;
// insert an object reference to an already written object
virtual void DoWriteRepeatedObject( int objectID ) ;
// insert a null reference
virtual void DoWriteNullObject() ;
// writes a delegate in the stream format
virtual void DoWriteDelegate( const wxObject *object, const wxClassInfo* classInfo , const wxPropertyInfo *propInfo ,
const wxObject *eventSink , int sinkObjectID , const wxClassInfo* eventSinkClassInfo , const wxHandlerInfo* handlerIndo ) ;
private :
struct wxXmlWriterInternal ;
wxXmlWriterInternal* m_data ;
} ;
/*
wxXmlReader handles streaming in a class from XML
*/
class wxXmlReader : public wxReader
{
public:
wxXmlReader(wxXmlNode *parent) { m_parent = parent ; }
~wxXmlReader() {}
// Reads a component from XML. The return value is the root object ID, which can
// then be used to ask the depersister about that object
virtual int ReadObject( const wxString &name , wxDepersister *depersist ) ;
private :
int ReadComponent(wxXmlNode *parent, wxDepersister *callbacks);
// read the content of this node (simple type) and return the corresponding value
wxxVariant ReadValue(wxXmlNode *Node,
const wxTypeInfo *type );
wxXmlNode * m_parent ;
};
#endif // wxUSE_EXTENDED_RTTI
#endif