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