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k3b/libk3b/cddb/k3bcddbquery.cpp

276 lines
6.8 KiB

/*
*
* $Id: k3bcddbquery.cpp 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bcddbquery.h"
#include "k3bcddbresult.h"
#include <kdebug.h>
#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <tdelocale.h>
#include <tqtextstream.h>
#include <tqstringlist.h>
#include <tqregexp.h>
#include <tqtimer.h>
#include <stdlib.h>
K3bCddbQuery::K3bCddbQuery( TQObject* parent, const char* name )
: TQObject(parent, name)
{
m_bQueryFinishedEmited = false;
}
K3bCddbQuery::~K3bCddbQuery()
{
}
void K3bCddbQuery::query( const K3bDevice::Toc& toc )
{
m_bQueryFinishedEmited = false;
m_toc = toc;
m_inexactMatches.clear();
TQTimer::singleShot( 0, this, TQT_SLOT(doQuery()) );
}
void K3bCddbQuery::queryMatch( const K3bCddbResultHeader& header )
{
m_header = header;
m_result = K3bCddbResultEntry();
m_result.category = header.category;
m_result.discid = header.discid;
TQTimer::singleShot( 0, this, TQT_SLOT(doMatchQuery()) );
}
const TQStringList& K3bCddbQuery::categories()
{
static TQStringList s_cat = TQStringList::split( ",", "rock,blues,misc,classical,"
"country,data,folk,jazz,newage,reggae,soundtrack" );
return s_cat;
}
bool K3bCddbQuery::parseEntry( TQTextStream& stream, K3bCddbResultEntry& entry )
{
entry.rawData = "";
stream.setEncoding( TQTextStream::UnicodeUTF8 );
// parse data
TQString line;
while( !(line = stream.readLine()).isNull() ) {
entry.rawData.append(line + "\n");
// !all fields may be splitted into several lines!
if( line.startsWith( "DISCID" ) ) {
// TODO: this could be several discids separated by comma!
}
else if( line.startsWith( "DYEAR" ) ) {
TQString year = line.mid( 6 );
if( year.length() == 4 )
entry.year = year.toInt();
}
else if( line.startsWith( "DGENRE" ) ) {
entry.genre = line.mid( 7 );
}
else if( line.startsWith( "DTITLE" ) ) {
entry.cdTitle += line.mid( 7 );
}
else if( line.startsWith( "TTITLE" ) ) {
int eqSgnPos = line.find( "=" );
bool ok;
uint trackNum = (uint)line.mid( 6, eqSgnPos - 6 ).toInt( &ok );
if( !ok )
kdDebug() << "(K3bCddbQuery) !!! PARSE ERROR: " << line << endl;
else {
// kdDebug() << "(K3bCddbQuery) Track title for track " << trackNum << endl;
// make sure the list is big enough
while( entry.titles.count() <= trackNum )
entry.titles.append( "" );
entry.titles[trackNum] += line.mid( eqSgnPos+1 );
}
}
else if( line.startsWith( "EXTD" ) ) {
entry.cdExtInfo += line.mid( 5 );
}
else if( line.startsWith( "EXTT" ) ) {
int eqSgnPos = line.find( "=" );
bool ok;
uint trackNum = (uint)line.mid( 4, eqSgnPos - 4 ).toInt( &ok );
if( !ok )
kdDebug() << "(K3bCddbQuery) !!! PARSE ERROR: " << line << endl;
else {
// kdDebug() << "(K3bCddbQuery) Track extr track " << trackNum << endl;
// make sure the list is big enough
while( entry.extInfos.count() <= trackNum )
entry.extInfos.append( "" );
entry.extInfos[trackNum] += line.mid( eqSgnPos+1 );
}
}
else if( line.startsWith( "#" ) ) {
// kdDebug() << "(K3bCddbQuery) comment: " << line << endl;
}
else {
kdDebug() << "(K3bCddbQuery) Unknown field: " << line << endl;
}
}
// now split the titles in the last added match
// if no " / " delimiter is present title and artist are the same
// -------------------------------------------------------------------
TQString fullTitle = entry.cdTitle;
int splitPos = fullTitle.find( " / " );
if( splitPos < 0 )
entry.cdArtist = fullTitle;
else {
// split
entry.cdTitle = fullTitle.mid( splitPos + 3 );
entry.cdArtist = fullTitle.left( splitPos );
}
for( TQStringList::iterator it = entry.titles.begin();
it != entry.titles.end(); ++it ) {
TQString fullTitle = *it;
int splitPos = fullTitle.find( " / " );
if( splitPos < 0 )
entry.artists.append( entry.cdArtist );
else {
// split
*it = fullTitle.mid( splitPos + 3 );
entry.artists.append( fullTitle.left( splitPos ) );
}
}
// replace all "\\n" with "\n"
for( TQStringList::iterator it = entry.titles.begin();
it != entry.titles.end(); ++it ) {
(*it).replace( "\\\\\\\\n", "\\n" );
}
for( TQStringList::iterator it = entry.artists.begin();
it != entry.artists.end(); ++it ) {
(*it).replace( "\\\\\\\\n", "\\n" );
}
for( TQStringList::iterator it = entry.extInfos.begin();
it != entry.extInfos.end(); ++it ) {
(*it).replace( "\\\\\\\\n", "\\n" );
}
entry.cdTitle.replace( "\\\\\\\\n", "\\n" );
entry.cdArtist.replace( "\\\\\\\\n", "\\n" );
entry.cdExtInfo.replace( "\\\\\\\\n", "\\n" );
entry.genre.replace( "\\\\\\\\n", "\\n" );
return true;
}
int K3bCddbQuery::getCode( const TQString& line )
{
bool ok;
int code = line.left( 3 ).toInt( &ok );
if( !ok )
code = -1;
return code;
}
TQString K3bCddbQuery::handshakeString() const
{
TQString user( getenv("USER") );
TQString host( getenv("HOST") );
if( user.isEmpty() )
user = "kde-user";
if( host.isEmpty() )
host = "kde-host";
return TQString("%1 %2 K3b %3").arg(user).arg(host).arg(kapp->aboutData()->version());
}
TQString K3bCddbQuery::queryString() const
{
TQString query = "cddb query "
+ TQString::number( m_toc.discId(), 16 ).rightJustify( 8, '0' )
+ " "
+ TQString::number( (unsigned int)m_toc.count() );
for( K3bDevice::Toc::const_iterator it = m_toc.begin(); it != m_toc.end(); ++it ) {
query.append( TQString( " %1" ).arg( (*it).firstSector().lba() ) );
}
query.append( TQString( " %1" ).arg( m_toc.length().lba() / 75 ) );
return query;
}
bool K3bCddbQuery::parseMatchHeader( const TQString& line, K3bCddbResultHeader& header )
{
// format: category id title
// where title could be artist and title splitted with a /
header.category = line.section( ' ', 0, 0 );
header.discid = line.section( ' ', 1, 1 );
header.title = line.mid( header.category.length() + header.discid.length() + 2 );
int slashPos = header.title.find( "/" );
if( slashPos > 0 ) {
header.artist = header.title.left(slashPos).stripWhiteSpace();
header.title = header.title.mid( slashPos+1 ).stripWhiteSpace();
}
return true;
}
void K3bCddbQuery::emitQueryFinished()
{
if( !m_bQueryFinishedEmited ) {
m_bQueryFinishedEmited = true;
emit queryFinished( this );
}
}
#include "k3bcddbquery.moc"