gloox  1.0.28
compressiondefault.cpp
1 /*
2  * Copyright (c) 2009-2023 by Jakob Schröter <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 #include "compressiondefault.h"
14 
15 #include "compressiondatahandler.h"
16 
17 #include "config.h"
18 
19 #if defined( HAVE_ZLIB )
20 # define HAVE_COMPRESSION
21 # include "compressionzlib.h"
22 #endif
23 
24 // #if defined( HAVE_LZW )
25 // # define HAVE_COMPRESSION
26 // # include "compressionlzw.h"
27 // #endif
28 
29 namespace gloox
30 {
31 
33  : CompressionBase( cdh ), m_impl( 0 )
34  {
35  switch( method )
36  {
37  case MethodZlib:
38 #ifdef HAVE_ZLIB
39  m_impl = new CompressionZlib( cdh );
40 #endif
41  break;
42  case MethodLZW:
43 #ifdef HAVE_LZW
44  m_impl = new CompressionLZW( cdh );
45 #endif
46  break;
47  default:
48  break;
49  }
50  }
51 
53  {
54  delete m_impl;
55  }
56 
58  {
59  return m_impl ? m_impl->init() : false;
60  }
61 
63  {
64  int types = 0;
65 #ifdef HAVE_ZLIB
66  types |= MethodZlib;
67 #endif
68 #ifdef HAVE_LZW
69  types |= MethodLZW;
70 #endif
71  return types;
72  }
73 
74  void CompressionDefault::compress( const std::string& data )
75  {
76  if( m_impl )
77  m_impl->compress( data );
78  }
79 
80  void CompressionDefault::decompress( const std::string& data )
81  {
82  if( m_impl )
83  m_impl->decompress( data );
84  }
85 
87  {
88  if( m_impl )
89  m_impl->cleanup();
90  }
91 
92 }
This is an abstract base class for stream compression implementations.
virtual void compress(const std::string &data)=0
virtual void cleanup()=0
virtual bool init()=0
virtual void decompress(const std::string &data)=0
An abstract base class used to receive de/compressed data from a CompressionBase-derived object.
virtual void compress(const std::string &data)
CompressionDefault(CompressionDataHandler *cdh, Method method=MethodZlib)
virtual void decompress(const std::string &data)
The namespace for the gloox library.
Definition: adhoc.cpp:28