libkmime
kmime_codec_identity.h
00001 /* -*- c++ -*- 00002 kmime_codec_identity.h 00003 00004 This file is part of KMime, the KDE internet mail/usenet news message library. 00005 Copyright (c) 2004 Marc Mutz <mutz@kde.org> 00006 00007 KMime is free software; you can redistribute it and/or modify it 00008 under the terms of the GNU General Public License, version 2, as 00009 published by the Free Software Foundation. 00010 00011 KMime is distributed in the hope that it will be useful, but 00012 WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this library; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 00020 In addition, as a special exception, the copyright holders give 00021 permission to link the code of this library with any edition of 00022 the Qt library by Trolltech AS, Norway (or with modified versions 00023 of Qt that use the same license as Qt), and distribute linked 00024 combinations including the two. You must obey the GNU General 00025 Public License in all respects for all of the code used other than 00026 Qt. If you modify this file, you may extend this exception to 00027 your version of the file, but you are not obligated to do so. If 00028 you do not wish to do so, delete this exception statement from 00029 your version. 00030 */ 00031 00032 #ifndef __KMIME_CODEC_IDENTITY_H__ 00033 #define __KMIME_CODEC_IDENTITY_H__ 00034 00035 #include "kmime_codecs.h" 00036 00037 namespace KMime { 00038 00039 class IdentityCodec : public Codec { 00040 protected: 00041 friend class Codec; 00042 IdentityCodec() : Codec() {} 00043 00044 public: 00045 ~IdentityCodec() {} 00046 00047 QByteArray encode( const QByteArray & src, bool withCRLF ) const; 00048 QCString encodeToQCString( const QByteArray & src, bool withCRLF ) const; 00049 QByteArray decode( const QByteArray & src, bool withCRLF ) const; 00050 00051 int maxEncodedSizeFor( int insize, bool withCRLF ) const { 00052 if ( withCRLF ) 00053 return 2 * insize; 00054 else 00055 return insize; 00056 } 00057 00058 int maxDecodedSizeFor( int insize, bool withCRLF ) const { 00059 if ( withCRLF ) 00060 return 2 * insize; 00061 else 00062 return insize; 00063 } 00064 00065 Encoder * makeEncoder( bool withCRLF=false ) const; 00066 Decoder * makeDecoder( bool withCRLF=false ) const; 00067 }; 00068 00069 class SevenBitCodec : public IdentityCodec { 00070 protected: 00071 friend class Codec; 00072 SevenBitCodec() : IdentityCodec() {} 00073 00074 public: 00075 ~SevenBitCodec() {} 00076 00077 const char * name() const { return "7bit"; } 00078 }; 00079 00080 class EightBitCodec : public IdentityCodec { 00081 protected: 00082 friend class Codec; 00083 EightBitCodec() : IdentityCodec() {} 00084 00085 public: 00086 ~EightBitCodec() {} 00087 00088 const char * name() const { return "8bit"; } 00089 }; 00090 00091 class BinaryCodec : public IdentityCodec { 00092 protected: 00093 friend class Codec; 00094 BinaryCodec() : IdentityCodec() {} 00095 00096 public: 00097 ~BinaryCodec() {} 00098 00099 const char * name() const { return "binary"; } 00100 00101 int maxEncodedSizeFor( int insize, bool ) { 00102 return insize; 00103 } 00104 int maxDecodedSizeFor( int insize, bool ) const { 00105 return insize; 00106 } 00107 00108 QCString encodeToQCString( const QByteArray &, bool ) const { 00109 return QCString(); 00110 } 00111 00112 }; 00113 00114 } // namespace KMime 00115 00116 #endif // __KMIME_CODEC_IDENTITY_H__