libkmime

kmime_codec_identity.cpp

00001 /*  -*- c++ -*-
00002     kmime_codec_identity.cpp
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 #include "kmime_codec_identity.h"
00033 
00034 #include <kdebug.h>
00035 #include <kglobal.h>
00036 
00037 #include <cassert>
00038 #include <cstring>
00039 
00040 using namespace KMime;
00041 
00042 namespace KMime {
00043 
00044 
00045 class IdentityEnDecoder : public Encoder, public Decoder {
00046 protected:
00047   friend class IdentityCodec;
00048   IdentityEnDecoder( bool withCRLF )
00049     : Encoder( false )
00050   {
00051     kdWarning( withCRLF, 5100 ) << "IdentityEnDecoder: withCRLF isn't yet supported!" << endl;
00052   }
00053 
00054 public:
00055   ~IdentityEnDecoder() {}
00056 
00057   bool encode( const char* & scursor, const char * const send,
00058            char* & dcursor, const char * const dend ) {
00059     return decode( scursor, send, dcursor, dend );
00060   }
00061   bool decode( const char* & scursor, const char * const send,
00062            char* & dcursor, const char * const dend );
00063   bool finish( char* & /*dcursor*/, const char * const /*dend*/ ) { return true; }
00064 };
00065 
00066 
00067 Encoder * IdentityCodec::makeEncoder( bool withCRLF ) const {
00068   return new IdentityEnDecoder( withCRLF );
00069 }
00070 
00071 Decoder * IdentityCodec::makeDecoder( bool withCRLF ) const {
00072   return new IdentityEnDecoder( withCRLF );
00073 }
00074 
00075 
00076   /********************************************************/
00077   /********************************************************/
00078   /********************************************************/
00079 
00080 
00081 
00082 bool IdentityEnDecoder::decode( const char* & scursor, const char * const send,
00083                 char* & dcursor, const char * const dend )
00084 {
00085   const int size = kMin( send - scursor, dcursor - dend );
00086   if ( size > 0 ) {
00087     std::memmove( dcursor, scursor, size );
00088     dcursor += size;
00089     scursor += size;
00090   }
00091   return scursor == send;
00092 }
00093 
00094 QByteArray IdentityCodec::encode( const QByteArray & src, bool withCRLF ) const {
00095   kdWarning( withCRLF, 5100 ) << "IdentityCodec::encode(): withCRLF not yet supported!" << endl;
00096   return src;
00097 }
00098 
00099 QByteArray IdentityCodec::decode( const QByteArray & src, bool withCRLF ) const {
00100   kdWarning( withCRLF, 5100 ) << "IdentityCodec::decode(): withCRLF not yet supported!" << endl;
00101   return src;
00102 }
00103 
00104 QCString IdentityCodec::encodeToQCString( const QByteArray & src, bool withCRLF ) const {
00105   kdWarning( withCRLF, 5100 ) << "IdentityCodec::encodeToQCString(): withCRLF not yet supported!" << endl;
00106   return QCString( src.data(), src.size() + 1 );
00107 }
00108 
00109 } // namespace KMime
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