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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/xtixml.h
3 // Purpose: xml streaming runtime metadata information (extended class info)
4 // Author: Stefan Csomor
5 // Modified by:
6 // Created: 27/07/03
7 // RCS-ID: $Id$
8 // Copyright: (c) 2003 Stefan Csomor
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_XTIXMLH__
13 #define _WX_XTIXMLH__
14
15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
16 #pragma interface "xtixml.h"
17 #endif
18
19 #include "wx/wx.h"
20
21 #if wxUSE_EXTENDED_RTTI
22
23 #include "wx/xtistrm.h"
24
25 class WXDLLIMPEXP_XML wxXmlNode ;
26
27 class WXDLLIMPEXP_XML wxXmlWriter : public wxWriter
28 {
29 public :
30
31 wxXmlWriter( wxXmlNode * parent ) ;
32 ~wxXmlWriter() ;
33
34 //
35 // streaming callbacks
36 //
37 // these callbacks really write out the values in the stream format
38 //
39
40 //
41 // streaming callbacks
42 //
43 // these callbacks really write out the values in the stream format
44
45 // begins writing out a new toplevel entry which has the indicated unique name
46 virtual void DoBeginWriteTopLevelEntry( const wxString &name ) ;
47
48 // ends writing out a new toplevel entry which has the indicated unique name
49 virtual void DoEndWriteTopLevelEntry( const wxString &name ) ;
50
51 // start of writing an object having the passed in ID
52 virtual void DoBeginWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata ) ;
53
54 // end of writing an toplevel object name param is used for unique identification within the container
55 virtual void DoEndWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) ;
56
57 // writes a simple property in the stream format
58 virtual void DoWriteSimpleType( wxxVariant &value ) ;
59
60 // start of writing a complex property into the stream (
61 virtual void DoBeginWriteProperty( const wxPropertyInfo *propInfo ) ;
62
63 // end of writing a complex property into the stream
64 virtual void DoEndWriteProperty( const wxPropertyInfo *propInfo ) ;
65
66 virtual void DoBeginWriteElement() ;
67 virtual void DoEndWriteElement() ;
68
69 // insert an object reference to an already written object
70 virtual void DoWriteRepeatedObject( int objectID ) ;
71
72 // insert a null reference
73 virtual void DoWriteNullObject() ;
74
75 // writes a delegate in the stream format
76 virtual void DoWriteDelegate( const wxObject *object, const wxClassInfo* classInfo , const wxPropertyInfo *propInfo ,
77 const wxObject *eventSink , int sinkObjectID , const wxClassInfo* eventSinkClassInfo , const wxHandlerInfo* handlerIndo ) ;
78 private :
79 struct wxXmlWriterInternal ;
80 wxXmlWriterInternal* m_data ;
81 } ;
82
83 /*
84 wxXmlReader handles streaming in a class from XML
85 */
86
87 class WXDLLIMPEXP_XML wxXmlReader : public wxReader
88 {
89 public:
90 wxXmlReader(wxXmlNode *parent) { m_parent = parent ; }
91 ~wxXmlReader() {}
92
93 // Reads a component from XML. The return value is the root object ID, which can
94 // then be used to ask the depersister about that object
95
96 virtual int ReadObject( const wxString &name , wxDepersister *depersist ) ;
97
98 private :
99 int ReadComponent(wxXmlNode *parent, wxDepersister *callbacks);
100
101 // read the content of this node (simple type) and return the corresponding value
102 wxxVariant ReadValue(wxXmlNode *Node,
103 const wxTypeInfo *type );
104
105 wxXmlNode * m_parent ;
106 };
107
108 #endif // wxUSE_EXTENDED_RTTI
109
110 #endif