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Diffstat (limited to 'libkmime/tests/test_kmime_codec.cpp')
| -rw-r--r-- | libkmime/tests/test_kmime_codec.cpp | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/libkmime/tests/test_kmime_codec.cpp b/libkmime/tests/test_kmime_codec.cpp new file mode 100644 index 000000000..f13b2b434 --- /dev/null +++ b/libkmime/tests/test_kmime_codec.cpp @@ -0,0 +1,449 @@ +/* test program for KMime::Codec's: + compile with: + g++ -I$QTDIR/include -I$KDEDIR/include -L$QTDIR/lib -L$KDEDIR/lib \ + -lqt-mt -lkdecore -lkdenetwork -O2 -pthread -DQT_THREAD_SUPPORT \ + -o test_kmime_codec{,.cpp} +*/ + +// return codes: +#define USAGE_DISPLAYED 1 +#define UNKNOWN_CODEC 2 +#define INFILE_READ_ERR 3 +#define OUTFILE_WRITE_ERR 4 + +#include <../kmime_codecs.h> + +#include <kdebug.h> + +#include <cstdlib> +#include <iostream> + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include <getopt.h> +#include <cassert> + +#include <qfile.h> +#include <qcstring.h> // QByteArray + +using namespace KMime; +using namespace std; + +static struct option long_options[] = { + { "encode", 1, 0, 0 }, + { "decode", 1, 0, 0 }, + { "output-buffer-size", 1, 0, 0 }, + { "input-buffer-size", 1, 0, 0 }, + { "outfile", 1, 0, 0 }, + { "with-crlf", 0, 0, 0 }, + { "iterations", 1, 0, 0 }, + { "without-finish", 0, 0, 0 }, + { "verbose", 0, 0, 0 }, + { "usage-pattern", 1, 0, 0 }, + { 0, 0, 0, 0 } +}; + +void usage( const char * msg=0 ) { + if ( msg && *msg ) + cerr << msg << endl; + cerr << "usage: test_kmime_codec (--encode|--decode) " + "<encoding-name> [options] infile\n" + "where options include:\n\n" + " --outfile <outfile> write output into file <outfile>\n" + " --output-buffer-size <size> en/decode into chunks of <size> bytes\n" + " default: 4096\n" + " --input-buffer-size <size> en/decode from chunks of <size> bytes\n" + " default: slurp in whole file\n" + " --with-crlf use CRLF instead of LF in output\n" + " --iterations <number> do more than one iteration\n" + " default: 1\n" + " --usage-pattern { kio | chunkwise | convenience-qba }\n" + " use a certain usage pattern to be tested\n" + " (default: chunkwise)\n" + " --without-finish don't call the finish() method\n" + " --verbose output detailed progress information\n" + << endl; + exit(USAGE_DISPLAYED); +} + +void missingParameterTo( const char * option ) { + cerr << "Missing or malformed parameter to " << option << endl; + usage(); +} + +static enum { Kio = 0, ChunkWise = 1, ConvenienceQBA = 3 } +pattern = ChunkWise; +static int outbufsize = 4096; +static int inbufsize = -1; // whole file +static bool writing = false; +static bool withCRLF = false; +static bool withFinish = true; +static bool verbose = false; + +void encode_decode_kio( bool, const Codec *, const QByteArray &, QFile & ); +void encode_decode_chunkwise( bool, const Codec *, + const QByteArray &, QFile & ); +void encode_decode_convenience_qba( bool, const Codec *, const QByteArray &, + QFile & ); + +int main( int argc, char * argv[] ) { + + int iterations = 1; + bool encode = false; + bool decode = false; + QCString outfilename, infilename; + QCString encodingName; + + // options parsing: + while( 1 ) { + int option_index = 0; + if ( getopt_long( argc, argv, "", long_options, &option_index ) ) + break; + switch ( option_index ) { + case 0: // encode + if ( !optarg || !*optarg ) missingParameterTo( "--encode." ); + encode = true; + encodingName = QCString(optarg); + break; + case 1: // decode + if ( !optarg || !*optarg ) missingParameterTo( "--decode" ); + decode = true; + encodingName = QCString(optarg); + break; + case 2: // output-buffer-size + if ( !optarg || (outbufsize = atoi( optarg )) < 1 ) + missingParameterTo( "--output-buffer-size" ); + break; + case 3: // input-buffer-size + if ( !optarg || (inbufsize = atoi( optarg )) < 1 ) + missingParameterTo( "--input-buffer-size" ); + break; + case 4: // outfile + if ( !optarg || !*optarg ) missingParameterTo( "--outfile" ); + outfilename = QCString(optarg); + writing = true; + break; + case 5: // with-crlf + withCRLF = true; + break; + case 6: // iterations + if ( !optarg || (iterations = atoi( optarg )) < 1 ) + missingParameterTo( "--iterations" ); + break; + case 7: // without-finish + withFinish = false; + break; + case 8: // verbose + verbose = true; + break; + case 9: // usage-pattern + if ( !qstricmp( "kio", optarg ) ) + pattern = Kio; + else if ( !qstricmp( "chunkwise", optarg ) ) + pattern = ChunkWise; + else if ( !qstricmp( "convenience-qba", optarg ) ) + pattern = ConvenienceQBA; + else { + cerr << "Unknown usage pattern \"" << optarg << "\"" << endl; + usage(); + } + break; + default: usage( "Unknown option" ); + } + } + + if ( !decode && !encode ) + usage( "You must specify exactly one of --encode, --decode." ); + if ( decode && encode ) + usage( "You must specify exactly one of --encode, --decode."); + + if ( verbose ) { + if ( encode ) + kdDebug() << "encoding as " << encodingName << endl; + else if ( decode ) + kdDebug() << "decoding " << encodingName << endl; + } + + if ( optind != argc - 1 ) usage(); + + QFile infile( argv[ optind ] ); + if (!infile.exists()) { + kdDebug() << "infile \"" << infile.name() << "\" does not exist!" << endl; + return INFILE_READ_ERR; + } + if (!infile.open( IO_ReadOnly )) { + kdDebug() << "cannot open " << infile.name() << " for reading!" + << endl; + return INFILE_READ_ERR; + } + + QFile outfile( outfilename ); + if ( !outfilename.isEmpty() ) { + if (!outfile.open( IO_WriteOnly|IO_Truncate )) { + kdDebug() << "cannot open " << outfile.name() << " for writing!" + << endl; + return OUTFILE_WRITE_ERR; + } + } + + if ( verbose ) { + kdDebug() << "using output buffer size of " << outbufsize << endl; + kdDebug() << "using input buffer size of " << inbufsize << endl; + } + if ( !withFinish ) + kdWarning() << "omitting finish calls. Results may be truncated!" << endl; + + if ( inbufsize <= 0 ) + inbufsize = infile.size(); + + // get a codec. Don't delete it later!! + kdDebug( verbose ) << "obtaining codec for \"" + << encodingName << "\"" << endl; + Codec * codec = Codec::codecForName( encodingName ); + if ( !codec ) { + kdDebug() << "unknown codec \"" << encodingName << "\"" << endl; + return UNKNOWN_CODEC; + } + + QByteArray infile_buffer = infile.readAll(); + + for ( int i = 0 ; i < iterations ; ++i ) { + kdDebug( verbose ) << "starting iteration " << i+1 + << " of " << iterations << endl; + switch ( pattern ) { + case ChunkWise: + encode_decode_chunkwise( encode, codec, infile_buffer, outfile ); + break; + case Kio: + encode_decode_kio( encode, codec, infile_buffer, outfile ); + break; + case ConvenienceQBA: + encode_decode_convenience_qba( encode, codec, infile_buffer, outfile ); + break; + default: + usage(); + } + } + + return 0; +} + +void encode_decode_convenience_qba( bool encode, const Codec * codec, + const QByteArray & infile_buffer, + QFile & outfile ) +{ + QByteArray out; + if ( encode ) + out = codec->encode( infile_buffer, withCRLF ); + else + out = codec->decode( infile_buffer, withCRLF ); + if ( writing ) { + Q_LONG written = outfile.writeBlock( out ); + assert( written == (Q_LONG)out.size() ); + } +} + +void encode_kio_internal( Encoder * enc, QByteArray::ConstIterator & iit, + QByteArray::ConstIterator & iend, + QByteArray & out ) +{ + out.resize( outbufsize ); + QByteArray::Iterator oit = out.begin(); + QByteArray::ConstIterator oend = out.end(); + + while ( !enc->encode( iit, iend, oit, oend ) ) + if ( oit == oend ) return; + + while ( !enc->finish( oit, oend ) ) + if ( oit == oend ) return; + + out.truncate( oit - out.begin() ); +} + +void decode_kio_internal( Decoder * dec, QByteArray::ConstIterator & iit, + QByteArray::ConstIterator & iend, + QByteArray & out ) { + out.resize( outbufsize ); + QByteArray::Iterator oit = out.begin(); + QByteArray::ConstIterator oend = out.end(); + + while ( !dec->decode( iit, iend, oit, oend ) ) + if ( oit == oend ) return; + + while ( !dec->finish( oit, oend ) ) + if ( oit == oend ) return; + + out.truncate( oit - out.begin() ); +} + +void encode_decode_kio( bool encode, const Codec * codec, + const QByteArray & infile_buffer, QFile & outfile ) +{ + + Encoder * enc = 0; + Decoder * dec = 0; + + // Get an encoder. This one you have to delete! + if ( encode ) { + enc = codec->makeEncoder( withCRLF ); + assert( enc ); + } else { + dec = codec->makeDecoder( withCRLF ); + assert( dec ); + } + + QByteArray::ConstIterator iit = infile_buffer.begin(); + QByteArray::ConstIterator iend = infile_buffer.end(); + + QByteArray out; + do { + out = QByteArray(); + if ( encode ) + encode_kio_internal( enc, iit, iend, out ); + else + decode_kio_internal( dec, iit, iend, out ); + if ( writing && out.size() ) { + Q_LONG written = outfile.writeBlock( out ); + assert( written == (Q_LONG)out.size() ); + } + } while ( out.size() ); + + if ( encode ) + delete enc; + else + delete dec; +} + +void encode_decode_chunkwise( bool encode, const Codec * codec, + const QByteArray & infile_buffer, QFile & outfile ) +{ + Encoder * enc = 0; + Decoder * dec = 0; + + + QByteArray indata( inbufsize ); + QByteArray outdata( outbufsize ); + + // we're going to need this below: +#define write_full_outdata_then_reset do { \ + kdDebug( verbose ) << " flushing output buffer." << endl; \ + if ( writing ) { \ + Q_LONG outlen = outfile.writeBlock( outdata.data(), \ + outdata.size() ); \ + if ( outlen != (int)outdata.size() ) \ + exit(OUTFILE_WRITE_ERR); \ + } \ + oit = outdata.begin(); \ + } while ( false ) + +#define report_status(x,y) do { \ + kdDebug( verbose ) << " " #x "() returned " #y " after processing " \ + << iit - indata.begin() << " bytes of input.\n" \ + << " output iterator now at position " \ + << oit - outdata.begin() << " of " \ + << outdata.size() << endl; \ + } while ( false ) + +#define report_finish_status(y) do { \ + kdDebug( verbose ) << " finish() returned " #y "\n" \ + << " output iterator now at position " \ + << oit - outdata.begin() << " of " \ + << outdata.size() << endl; \ + } while ( false ) + + + // Initialize the output iterators: + QByteArray::Iterator oit = outdata.begin(); + QByteArray::Iterator oend = outdata.end(); + + // Get an encoder. This one you have to delete! + if ( encode ) { + enc = codec->makeEncoder( withCRLF ); + assert( enc ); + } else { + dec = codec->makeDecoder( withCRLF ); + assert( dec ); + } + + // + // Loop over input chunks: + // + uint offset = 0; + while ( offset < infile_buffer.size() ) { + uint reallyRead = QMIN( indata.size(), infile_buffer.size() - offset ); + indata.duplicate( infile_buffer.begin() + offset, reallyRead ); + offset += reallyRead; + + kdDebug( verbose ) << " read " << reallyRead << " bytes (max: " + << indata.size() << ") from input." << endl; + + // setup input iterators: + QByteArray::ConstIterator iit = indata.begin(); + QByteArray::ConstIterator iend = indata.begin() + reallyRead; + + if ( encode ) { + // + // Loop over encode() calls: + // + while ( !enc->encode( iit, iend, oit, oend ) ) { + report_status( encode, false ); + if ( oit == oend ) + // output buffer full: + write_full_outdata_then_reset; + } + report_status( encode, true ); + } else { + // + // Loop over decode() calls: + // + while ( !dec->decode( iit, iend, oit, oend ) ) { + report_status( decode, false ); + if ( oit == oend ) + // output buffer full: + write_full_outdata_then_reset; + } + report_status( decode, true ); + } + } // end loop over input chunks + + // + // Now finish the encoding/decoding: + // (same loops as above, just s/encode|decode/finish()) + // + if ( withFinish ) + if ( encode ) { + while ( !enc->finish( oit, oend ) ) { + report_finish_status( false ); + if ( oit == oend ) + write_full_outdata_then_reset; + } + report_finish_status( true ); + } else { + while ( !dec->finish( oit, oend ) ) { + report_finish_status( false ); + if ( oit == oend ) + write_full_outdata_then_reset; + } + report_finish_status( true ); + } + + // + // Write out last (partial) output chunk: + // + if ( writing ) { + Q_LONG outlen = outfile.writeBlock( outdata.data(), + oit - outdata.begin() ); + if ( outlen != oit - outdata.begin() ) + exit(OUTFILE_WRITE_ERR); + } + + // + // Delete en/decoder: + // + if ( encode ) + delete enc; + else + delete dec; +} + |