gloox  1.0.9
stanzaextension.h
1 /*
2  Copyright (c) 2006-2013 by Jakob Schroeter <js@camaya.net>
3  This file is part of the gloox library. http://camaya.net/gloox
4 
5  This software is distributed under a license. The full license
6  agreement can be found in the file LICENSE in this distribution.
7  This software may not be copied, modified, sold or distributed
8  other than expressed in the named license agreement.
9 
10  This software is distributed without any warranty.
11 */
12 
13 
14 #ifndef STANZAEXTENSION_H__
15 #define STANZAEXTENSION_H__
16 
17 #include "macros.h"
18 
19 #include <string>
20 
21 namespace gloox
22 {
23 
24  class Tag;
25  class Stanza;
26 
31  {
95  };
96 
180  class GLOOX_API StanzaExtension
181  {
182  public:
188  StanzaExtension( int type ) : m_valid( false ), m_extensionType( type ) {}
189 
193  virtual ~StanzaExtension() {}
194 
201  virtual Stanza* embeddedStanza() const { return 0; }
202 
209  virtual Tag* embeddedTag() const { return 0; }
210 
217  virtual const std::string& filterString() const = 0;
218 
230  virtual StanzaExtension* newInstance( const Tag* tag ) const = 0;
231 
236  virtual Tag* tag() const = 0;
237 
242  virtual StanzaExtension* clone() const = 0;
243 
248  int extensionType() const { return m_extensionType; }
249 
250  protected:
251  bool m_valid;
252 
253  private:
254  int m_extensionType;
255 
256  };
257 
258 }
259 
260 #endif // STANZAEXTENSION_H__