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                       const wxString& encoding);
  32     virtual bool Save(wxOutputStream& WXUNUSED(stream), const wxXmlDocument& WXUNUSED(doc))
  33         { return FALSE; }
  34 };
  35
  36
  37 class WXXMLDLLEXPORT wxXmlIOHandlerWriter : public wxXmlIOHandler
  38 {
  39 public:
  40     virtual wxXmlIOType GetType() { return wxXML_IO_TEXT_OUTPUT; }
  41     virtual bool CanLoad(wxInputStream& WXUNUSED(stream)) { return FALSE; }
  42     virtual bool CanSave() { return TRUE; }
  43
  44     virtual bool Load(wxInputStream& WXUNUSED(stream), wxXmlDocument& WXUNUSED(doc),
  45                       const wxString& WXUNUSED(encoding))
  46         { return FALSE; }
  47     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  48 };
  49
  50
  51 class WXXMLDLLEXPORT wxXmlIOHandlerBin : public wxXmlIOHandler
  52 {
  53 public:
  54     wxXmlIOHandlerBin() {}
  55
  56     virtual wxXmlIOType GetType() { return wxXML_IO_BIN; }
  57     virtual bool CanLoad(wxInputStream& stream);
  58     virtual bool CanSave() { return TRUE; }
  59
  60     virtual bool Load(wxInputStream& stream, wxXmlDocument& doc,
  61                       const wxString& encoding);
  62     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  63
  64 protected:
  65     wxString ReadHeader(wxInputStream& stream);
  66     void WriteHeader(wxOutputStream& stream, const wxString& header);
  67 };
  68
  69
  70
  71 #if wxUSE_ZLIB
  72
  73 class WXXMLDLLEXPORT wxXmlIOHandlerBinZ : public wxXmlIOHandlerBin
  74 {
  75 public:
  76     wxXmlIOHandlerBinZ() {}
  77
  78     virtual wxXmlIOType GetType() { return wxXML_IO_BINZ; }
  79     virtual bool CanLoad(wxInputStream& stream);
  80
  81     virtual bool Load(wxInputStream& stream, wxXmlDocument& doc,
  82                       const wxString& encoding);
  83     virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc);
  84 };
  85
  86 #endif
  87
  88
  89 #endif // _WX_XMLIO_H_