contrib/include/wx/xrc/xmlio.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xmlio.h
   3 // Purpose:     wxXmlIOHandler - XML I/O classes
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/07/24
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_XMLIO_H_
  12 #define _WX_XMLIO_H_
  13
  14 #ifdef __GNUG__
  15 #pragma interface "xmlio.h"
  16 #endif
  17
  18 #include "wx/defs.h"
  19 #include "wx/string.h"
  20 #include "wx/xrc/xml.h"
  21
  22
  23 class WXXMLDLLEXPORT wxXmlIOHandlerExpat : public wxXmlIOHandler
  24 {
  25 public:
  26     virtual wxXmlIOType GetType() { return wxXML_IO_EXPAT; }
  27     virtual bool CanLoad(wxInputStream& stream);
  28     virtual bool CanSave() { return FALSE; }
  29
  30     virtual bool Load(wxInputStream& stream, wxXmlDocument& doc);
  31     virtual bool Save(wxOutputStream& WXUNUSED(stream), const wxXmlDocument& WXUNUSED(doc))
  32         { return FALSE; }
  33 };
  34
  35
  36 class WXXMLDLLEXPORT wxXmlIOHandlerWriter : public wxXmlIOHandler
  37 {
  38 public:
  39     virtual wxXmlIOType GetType() { return wxXML_IO_TEXT_OUTPUT; }
  40     virtual bool CanLoad(wxInputStream& WXUNUSED(stream)) { return FALSE; }
  41     virtual bool CanSave() { return TRUE; }
  42
  43     virtual bool Load(wxInputStream& WXUNUSED(stream), wxXmlDocument& WXUNUSED(doc))
  44         { return FALSE; }
  45     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  46 };
  47
  48
  49 class WXXMLDLLEXPORT wxXmlIOHandlerBin : public wxXmlIOHandler
  50 {
  51 public:
  52     wxXmlIOHandlerBin() {}
  53
  54     virtual wxXmlIOType GetType() { return wxXML_IO_BIN; }
  55     virtual bool CanLoad(wxInputStream& stream);
  56     virtual bool CanSave() { return TRUE; }
  57
  58     virtual bool Load(wxInputStream& stream, wxXmlDocument& doc);
  59     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  60
  61 protected:
  62     wxString ReadHeader(wxInputStream& stream);
  63     void WriteHeader(wxOutputStream& stream, const wxString& header);
  64 };
  65
  66
  67
  68 #if wxUSE_ZLIB
  69
  70 class WXXMLDLLEXPORT wxXmlIOHandlerBinZ : public wxXmlIOHandlerBin
  71 {
  72 public:
  73     wxXmlIOHandlerBinZ() {}
  74
  75     virtual wxXmlIOType GetType() { return wxXML_IO_BINZ; }
  76     virtual bool CanLoad(wxInputStream& stream);
  77
  78     virtual bool Load(wxInputStream& stream, wxXmlDocument& doc);
  79     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  80 };
  81
  82 #endif
  83
  84
  85 #endif // _WX_XMLIO_H_