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tdemultimedia/libkcddb/cdinfo.cpp

340 lines
7.2 KiB

/*
Copyright (C) 2002 Rik Hemsley (rikkus) <rik@kde.org>
Copyright (C) 2002 Benjamin Meyer <ben-devel@meyerhome.net>
Copyright (C) 2002-2004 Nadeem Hasan <nhasan@nadmm.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <kdebug.h>
#include <kstringhandler.h>
#include "cdinfo.h"
#include "cddb.h"
namespace KCDDB
{
TrackInfo::TrackInfo()
{
}
TrackInfo::TrackInfo(const TrackInfo& clone)
: title(clone.title),
extt(clone.extt)
{
}
TrackInfo::~TrackInfo()
{
}
TrackInfo& TrackInfo::operator=(const TrackInfo& clone)
{
title = clone.title;
extt = clone.extt;
return *this;
}
CDInfo::CDInfo()
: year(0),
length(0),
revision(0)
{
}
CDInfo::CDInfo(const CDInfo& clone)
: id(clone.id),
artist(clone.artist),
title(clone.title),
genre(clone.genre),
category(clone.category),
extd(clone.extd),
year(clone.year),
length(clone.length),
revision(clone.revision),
trackInfoList(clone.trackInfoList)
{
}
CDInfo::~CDInfo()
{
}
CDInfo& CDInfo::operator=(const CDInfo& clone)
{
id = clone.id;
artist = clone.artist;
title = clone.title;
genre = clone.genre;
category = clone.category;
extd = clone.extd;
year = clone.year;
length = clone.length;
revision = clone.revision;
trackInfoList = clone.trackInfoList;
return *this;
}
TQVariant TrackInfo::get(const TQString &type) const {
if(type == "title")
return title;
if(type == "extt")
return extt;
return TQVariant();
}
bool
CDInfo::load(const TQString & s)
{
return load(TQStringList::split('\n', s));
}
bool
CDInfo::load(const TQStringList & lineList)
{
clear();
// We'll append to this until we've seen all the lines, then parse it after.
TQString dtitle;
TQStringList::ConstIterator it = lineList.begin();
TQRegExp rev("# Revision: (\\d+)");
while ( it != lineList.end() )
{
TQString line(*it);
++it;
TQStringList tokenList = KStringHandler::perlSplit('=', line, 2);
if (rev.search(line) != -1)
{
revision = rev.cap(1).toUInt();;
continue;
}
TQString key = tokenList[0].stripWhiteSpace();
TQString value;
if (2 != tokenList.count())
{
if (!key.startsWith("EXT"))
continue;
}
else
value = unescape ( tokenList[1].stripWhiteSpace() );
if ( "DISCID" == key )
{
id = value;
}
else if ( "DTITLE" == key )
{
dtitle += value;
}
else if ( "DYEAR" == key )
{
year = value.toUInt();
}
else if ( "DGENRE" == key )
{
genre += value;
}
else if ( "TTITLE" == key.left( 6 ) )
{
uint trackNumber = key.mid(6).toUInt();
checkTrack( trackNumber );
trackInfoList[ trackNumber ].title.append( value );
}
else if ( "EXTD" == key )
{
extd.append( value );
}
else if ( "EXTT" == key.left( 4 ) )
{
uint trackNumber = key.mid( 4 ).toUInt();
checkTrack( trackNumber );
trackInfoList[ trackNumber ].extt.append( value );
}
}
int slashPos = dtitle.find('/');
if (-1 == slashPos)
{
// Use string for title _and_ artist.
artist = title = dtitle;
}
else
{
artist = dtitle.left(slashPos).stripWhiteSpace();
title = dtitle.mid(slashPos + 1).stripWhiteSpace();
}
if ( genre.isEmpty() )
genre = "Unknown";
kdDebug(60010) << "Loaded CDInfo for " << id << endl;
return true;
}
QString
CDInfo::toString(bool submit) const
{
TQString s;
if (revision != 0)
s += "# Revision: " + TQString::number(revision) + "\n";
if (submit)
{
s += "#\n";
s += TQString("# Submitted via: %1 %2\n").arg(CDDB::clientName(),
CDDB::clientVersion());
}
s += "DISCID=" + escape( id ) + "\n";
s += createLine("DTITLE",escape( artist ) + " / " + escape( title ));
s += "DYEAR=" + (0 == year ? TQString::null : TQString::number(year)) + "\n";
s += createLine("DGENRE",escape( genre ));
for (uint i = 0; i < trackInfoList.count(); ++i)
{
s += createLine(TQString("TTITLE%1").arg(i),
escape( trackInfoList[ i ].title));
}
s += createLine("EXTD", escape( extd ));
for (uint i = 0; i < trackInfoList.count(); ++i)
{
s += createLine(TQString("EXTT%1").arg(i), escape(trackInfoList[i].extt));
}
s +="PLAYORDER=\n";
return s;
}
// Creates a line in the form NAME=VALUE, and splits it into several
// lines if the line gets longer than 256 chars
QString
CDInfo::createLine(const TQString& name, const TQString& value) const
{
Q_ASSERT(name.length() < 254);
uint maxLength = 256 - name.length() - 2;
TQString tmpValue = value;
TQString lines;
while (tmpValue.length() > maxLength)
{
lines += TQString("%1=%2\n").arg(name,tmpValue.left(maxLength));
tmpValue = tmpValue.mid(maxLength);
}
lines += TQString("%1=%2\n").arg(name,tmpValue);
return lines;
}
void
CDInfo::checkTrack( uint trackNumber )
{
if ( trackInfoList.count() < trackNumber + 1 )
{
while ( trackInfoList.count() < trackNumber + 1 )
trackInfoList.append(TrackInfo());
}
}
QString
CDInfo::escape( const TQString& value )
{
TQString s = value;
s.replace( "\\", "\\\\" );
s.replace( "\n", "\\n" );
s.replace( "\t", "\\t" );
return s;
}
QString
CDInfo::unescape( const TQString& value )
{
TQString s = value;
s.replace( "\\n", "\n" );
s.replace( "\\t", "\t" );
s.replace( "\\\\", "\\" );
return s;
}
void
CDInfo::clear()
{
id = artist = title = genre = extd = TQString::null;
length = year = revision = 0;
trackInfoList.clear();
}
bool
CDInfo::isValid() const
{
if (id.isEmpty())
return false;
if (id == "0")
return false;
return true;
}
TQVariant CDInfo::get(const TQString &type) const {
if(type == "id")
return id;
if(type == "artist")
return artist;
if(type == "title")
return title;
if(type == "genre")
return genre;
if(type == "category")
return category;
if(type == "extd")
return extd;
if(type == "year")
return year;
if(type == "length")
return length;
if(type == "revision")
return revision;
return TQVariant();
}
}
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