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tdemultimedia/libkcddb/httplookup.cpp

187 lines
4.1 KiB

/*
Copyright ( C ) 2002 Rik Hemsley ( rikkus ) <rik@kde.org>
Copyright ( C ) 2002 Benjamin Meyer <ben-devel@meyerhome.net>
Copyright ( C ) 2002 Nadeem Hasan <nhasan@kde.org>
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <kio/job.h>
#include <kdebug.h>
#include "httplookup.h"
namespace KCDDB
{
HTTPLookup::HTTPLookup()
: Lookup(),
block_( true ), state_( Idle ), result_( Success )
{
}
HTTPLookup::~HTTPLookup()
{
}
CDDB::Result
HTTPLookup::sendQuery()
{
QString cmd = QString( "cddb query %1 %2" )
.arg( trackOffsetListToId(), trackOffsetListToString() ) ;
makeURL( cmd );
Result result = fetchURL();
return result;
}
CDDB::Result
HTTPLookup::sendRead( const CDDBMatch & match )
{
category_ = match.first;
QString discid = match.second;
QString cmd = QString( "cddb read %1 %2" )
.arg( category_, discid );
makeURL( cmd );
Result result = fetchURL();
return result;
}
void
HTTPLookup::initURL( const QString & hostName, uint port )
{
cgiURL_.setProtocol( "http" );
cgiURL_.setHost( hostName );
cgiURL_.setPort( port );
cgiURL_.setPath( "/~cddb/cddb.cgi" );
return;
}
void
HTTPLookup::makeURL( const QString & cmd )
{
// The whole query has to constructed each time as the
// CDDB CGI script expects the parameters in strict order
cgiURL_.setQuery( QString::null );
QString hello = QString("%1 %2 %3 %4")
.arg(user_, localHostName_, clientName(), clientVersion());
cgiURL_.addQueryItem( "cmd", cmd );
cgiURL_.addQueryItem( "hello", hello );
cgiURL_.addQueryItem( "proto", "6" );
}
void
HTTPLookup::jobFinished()
{
QStringList lineList = QStringList::split( "\n", QString::fromUtf8(data_, data_.size()) );
QStringList::ConstIterator it = lineList.begin();
switch ( state_ )
{
case WaitingForQueryResponse:
if ( it != lineList.end() )
{
QString line( *it );
result_ = parseQuery( line );
switch ( result_ )
{
case Success:
if ( !block_ )
emit queryReady();
break;
case MultipleRecordFound:
++it;
while ( it != lineList.end() )
{
QString line( *it );
if ( '.' == line[ 0 ] )
{
result_ = Success;
if ( !block_ )
emit queryReady();
break;
}
parseExtraMatch( line );
++it;
}
break;
case ServerError:
case NoRecordFound:
if ( !block_ )
emit queryReady();
return;
break;
default:
break;
}
}
break;
case WaitingForReadResponse:
{
CDInfo info;
if ( info.load( QString::fromUtf8(data_,data_.size()) ) )
{
info.category = category_;
cdInfoList_.append( info );
}
if ( !block_ )
emit readReady();
}
return;
break;
default:
break;
}
result_ = Success;
}
}
#include "httplookup.moc"
// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1