| 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 | #include "wx/defs.h" |
| 16 | |
| 17 | #if wxUSE_EXTENDED_RTTI |
| 18 | |
| 19 | #include "wx/string.h" |
| 20 | #include "wx/xtistrm.h" |
| 21 | |
| 22 | class WXDLLIMPEXP_XML wxXmlNode; |
| 23 | class WXDLLIMPEXP_BASE wxPropertyInfo; |
| 24 | class WXDLLIMPEXP_BASE wxObject; |
| 25 | class WXDLLIMPEXP_BASE wxClassInfo; |
| 26 | class WXDLLIMPEXP_BASE wxAnyList; |
| 27 | class WXDLLIMPEXP_BASE wxHandlerInfo; |
| 28 | class WXDLLIMPEXP_BASE wxObjectWriterCallback; |
| 29 | |
| 30 | class WXDLLIMPEXP_XML wxObjectXmlWriter: public wxObjectWriter |
| 31 | { |
| 32 | public: |
| 33 | |
| 34 | wxObjectXmlWriter( wxXmlNode * parent ); |
| 35 | virtual ~wxObjectXmlWriter(); |
| 36 | |
| 37 | // |
| 38 | // streaming callbacks |
| 39 | // |
| 40 | // these callbacks really write out the values in the stream format |
| 41 | // |
| 42 | |
| 43 | // |
| 44 | // streaming callbacks |
| 45 | // |
| 46 | // these callbacks really write out the values in the stream format |
| 47 | |
| 48 | // begins writing out a new toplevel entry which has the indicated unique name |
| 49 | virtual void DoBeginWriteTopLevelEntry( const wxString &name ); |
| 50 | |
| 51 | // ends writing out a new toplevel entry which has the indicated unique name |
| 52 | virtual void DoEndWriteTopLevelEntry( const wxString &name ); |
| 53 | |
| 54 | // start of writing an object having the passed in ID |
| 55 | virtual void DoBeginWriteObject(const wxObject *object, |
| 56 | const wxClassInfo *classInfo, int objectID, const wxStringToAnyHashMap &metadata ); |
| 57 | |
| 58 | // end of writing an toplevel object name param is used for unique |
| 59 | // identification within the container |
| 60 | virtual void DoEndWriteObject(const wxObject *object, |
| 61 | const wxClassInfo *classInfo, int objectID ); |
| 62 | |
| 63 | // writes a simple property in the stream format |
| 64 | virtual void DoWriteSimpleType( const wxAny &value ); |
| 65 | |
| 66 | // start of writing a complex property into the stream ( |
| 67 | virtual void DoBeginWriteProperty( const wxPropertyInfo *propInfo ); |
| 68 | |
| 69 | // end of writing a complex property into the stream |
| 70 | virtual void DoEndWriteProperty( const wxPropertyInfo *propInfo ); |
| 71 | |
| 72 | virtual void DoBeginWriteElement(); |
| 73 | virtual void DoEndWriteElement(); |
| 74 | |
| 75 | // insert an object reference to an already written object |
| 76 | virtual void DoWriteRepeatedObject( int objectID ); |
| 77 | |
| 78 | // insert a null reference |
| 79 | virtual void DoWriteNullObject(); |
| 80 | |
| 81 | // writes a delegate in the stream format |
| 82 | virtual void DoWriteDelegate( const wxObject *object, |
| 83 | const wxClassInfo* classInfo, const wxPropertyInfo *propInfo, |
| 84 | const wxObject *eventSink, int sinkObjectID, |
| 85 | const wxClassInfo* eventSinkClassInfo, const wxHandlerInfo* handlerIndo ); |
| 86 | |
| 87 | private: |
| 88 | struct wxObjectXmlWriterInternal; |
| 89 | wxObjectXmlWriterInternal* m_data; |
| 90 | }; |
| 91 | |
| 92 | /* |
| 93 | wxObjectXmlReader handles streaming in a class from XML |
| 94 | */ |
| 95 | |
| 96 | class WXDLLIMPEXP_XML wxObjectXmlReader: public wxObjectReader |
| 97 | { |
| 98 | public: |
| 99 | wxObjectXmlReader(wxXmlNode *parent) { m_parent = parent; } |
| 100 | virtual ~wxObjectXmlReader() {} |
| 101 | |
| 102 | // Reads a component from XML. The return value is the root object ID, which can |
| 103 | // then be used to ask the readercallback about that object |
| 104 | |
| 105 | virtual int ReadObject( const wxString &name, wxObjectReaderCallback *readercallback ); |
| 106 | |
| 107 | private: |
| 108 | int ReadComponent(wxXmlNode *parent, wxObjectReaderCallback *callbacks); |
| 109 | |
| 110 | // read the content of this node (simple type) and return the corresponding value |
| 111 | wxAny ReadValue(wxXmlNode *Node, const wxTypeInfo *type ); |
| 112 | |
| 113 | wxXmlNode * m_parent; |
| 114 | }; |
| 115 | |
| 116 | #endif // wxUSE_EXTENDED_RTTI |
| 117 | |
| 118 | #endif |