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KMIME Library

kmime_codec_identity.cpp

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00001 /*  -*- c++ -*-
00002     kmime_codec_identity.cpp
00003 
00004     KMime, the KDE internet mail/usenet news message library.
00005     Copyright (c) 2004 Marc Mutz <mutz@kde.org>
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00035 #include "kmime_codec_identity.h"
00036 
00037 #include <kdebug.h>
00038 #include <kglobal.h>
00039 
00040 #include <QtCore/QByteArray>
00041 
00042 #include <cassert>
00043 #include <cstring>
00044 
00045 using namespace KMime;
00046 
00047 namespace KMime {
00048 
00049 class IdentityEnDecoder : public Encoder, public Decoder
00050 {
00051   protected:
00052     friend class IdentityCodec;
00053     IdentityEnDecoder( bool withCRLF ): Encoder( false )
00054     {
00055       kWarning( withCRLF, 5100 ) << "IdentityEnDecoder: withCRLF isn't yet supported!";
00056     }
00057 
00058   public:
00059     ~IdentityEnDecoder() {}
00060 
00061     bool encode( const char* &scursor, const char *const send,
00062                  char* &dcursor, const char *const dend )
00063     { return decode( scursor, send, dcursor, dend ); }
00064 
00065     bool decode( const char* &scursor, const char *const send,
00066                  char* &dcursor, const char *const dend );
00067 
00068     bool finish( char* &dcursor, const char *const dend )
00069     { Q_UNUSED( dcursor ); Q_UNUSED( dend ); return true; }
00070 };
00071 
00072 Encoder *IdentityCodec::makeEncoder( bool withCRLF ) const
00073 {
00074   return new IdentityEnDecoder( withCRLF );
00075 }
00076 
00077 Decoder *IdentityCodec::makeDecoder( bool withCRLF ) const
00078 {
00079   return new IdentityEnDecoder( withCRLF );
00080 }
00081 
00082 /********************************************************/
00083 /********************************************************/
00084 /********************************************************/
00085 
00086 bool IdentityEnDecoder::decode( const char* &scursor, const char *const send,
00087                                 char* &dcursor, const char *const dend )
00088 {
00089   const int size = qMin( send - scursor, dcursor - dend );
00090   if ( size > 0 ) {
00091     std::memmove( dcursor, scursor, size );
00092     dcursor += size;
00093     scursor += size;
00094   }
00095   return scursor == send;
00096 }
00097 
00098 QByteArray IdentityCodec::encode( const QByteArray &src, bool withCRLF ) const
00099 {
00100   kWarning( withCRLF, 5100 ) << "IdentityCodec::encode(): withCRLF not yet supported!";
00101   return src;
00102 }
00103 
00104 QByteArray IdentityCodec::decode( const QByteArray &src, bool withCRLF ) const
00105 {
00106   kWarning( withCRLF, 5100 ) << "IdentityCodec::decode(): withCRLF not yet supported!";
00107   return src;
00108 }
00109 
00110 } // namespace KMime

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