foomatic2loader.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001-2003 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "foomatic2loader.h"
00021 #include "driver.h"
00022 
00023 #include <qfile.h>
00024 #include <qregexp.h>
00025 #include <qbuffer.h>
00026 #include <kdebug.h>
00027 #include <klocale.h>
00028 
00029 void kdeprint_foomatic2scanner_init( QIODevice* );
00030 void kdeprint_foomatic2scanner_terminate();
00031 
00032 Foomatic2Loader::Foomatic2Loader()
00033 {
00034 }
00035 
00036 Foomatic2Loader::~Foomatic2Loader()
00037 {
00038 }
00039 
00040 bool Foomatic2Loader::read( QIODevice *d )
00041 {
00042     bool result = true;
00043     m_foodata.clear();
00044     kdeprint_foomatic2scanner_init( d );
00045     if ( kdeprint_foomatic2parse( this ) != 0 )
00046         result = false;
00047     kdeprint_foomatic2scanner_terminate();
00048     return result;
00049 }
00050 
00051 bool Foomatic2Loader::readFromFile( const QString& filename )
00052 {
00053     QFile f( filename );
00054     m_foodata.clear();
00055     if ( f.open( IO_ReadOnly ) )
00056         return read( &f );
00057     return false;
00058 }
00059 
00060 bool Foomatic2Loader::readFromBuffer( const QString& buffer )
00061 {
00062     QCString buf = buffer.utf8();
00063     QBuffer d( buf );
00064     m_foodata.clear();
00065     if ( d.open( IO_ReadOnly ) )
00066         return read( &d );
00067     return false;
00068 }
00069 
00070 DrBase* Foomatic2Loader::createValue( const QString& name, const QMap<QString,QVariant>& m ) const
00071 {
00072     DrBase *choice = new DrBase;
00073     choice->setName( name );
00074     choice->set( "text", m.operator[]( "comment" ).toString() );
00075     return choice;
00076 }
00077 
00078 DrBase* Foomatic2Loader::createOption( const QMap<QString,QVariant>& m ) const
00079 {
00080     QString type = m.operator[]( "type" ).toString();
00081     DrBase *opt = NULL;
00082     if ( type == "enum" )
00083     {
00084         DrListOption *lopt = new DrListOption;
00085         QVariant a = m.operator[]( "vals_byname" );
00086         QMap<QString,QVariant>::ConstIterator it = a.mapBegin();
00087         for ( ; it!=a.mapEnd(); ++it )
00088         {
00089             if ( it.data().type() != QVariant::Map )
00090                 continue;
00091             DrBase *ch = createValue( it.key(), it.data().toMap() );
00092             if ( ch )
00093                 lopt->addChoice( ch );
00094         }
00095         opt = lopt;
00096     }
00097     else if ( type == "int" || type == "float" )
00098     {
00099         if ( type == "int" )
00100             opt = new DrIntegerOption;
00101         else
00102             opt = new DrFloatOption;
00103         opt->set( "minval", m.operator[]( "min" ).toString() );
00104         opt->set( "maxval", m.operator[]( "max" ).toString() );
00105     }
00106     else if ( type == "bool" )
00107     {
00108         DrBooleanOption *bopt = new DrBooleanOption;
00109         DrBase *choice;
00110         // choice 1
00111         choice = new DrBase;
00112         choice->setName( "0" );
00113         choice->set( "text", m.operator[]( "name_false" ).toString() );
00114         bopt->addChoice( choice );
00115         choice = new DrBase;
00116         choice->setName( "1" );
00117         choice->set( "text", m.operator[]( "name_true" ).toString() );
00118         bopt->addChoice( choice );
00119         opt = bopt;
00120     }
00121     else if ( type == "string" )
00122     {
00123         opt = new DrStringOption;
00124     }
00125     if ( opt )
00126     {
00127         opt->setName( m.operator[]( "name" ).toString() );
00128         opt->set( "text", m.operator[]( "comment" ).toString() );
00129         QString defval = m.operator[]( "default" ).toString();
00130         if ( !defval.isEmpty() )
00131         {
00132             opt->setValueText( defval );
00133             opt->set( "default", defval );
00134         }
00135     }
00136     return opt;
00137 }
00138 
00139 DrMain* Foomatic2Loader::buildDriver() const
00140 {
00141     if ( m_foodata.isEmpty() )
00142         return NULL;
00143 
00144     QVariant v = m_foodata.find( "VAR" ).data();
00145     if ( !v.isNull() && v.type() == QVariant::Map )
00146     {
00147         DrMain *driver = new DrMain;
00148         QMap<QString,DrGroup*> groups;
00149         driver->set( "manufacturer", v.mapFind( "make" ).data().toString() );
00150         driver->set( "model", v.mapFind( "model" ).data().toString() );
00151         driver->set( "matic_printer", v.mapFind( "id" ).data().toString() );
00152         driver->set( "matic_driver", v.mapFind( "driver" ).data().toString() );
00153         driver->set( "text", QString( "%1 %2 (%3)" ).arg( driver->get( "manufacturer" ) ).arg( driver->get( "model" ) ).arg( driver->get( "matic_driver" ) ) );
00154         if ( m_foodata.contains( "POSTPIPE" ) )
00155             driver->set( "postpipe", m_foodata.find( "POSTPIPE" ).data().toString() );
00156         v = v.mapFind( "args" ).data();
00157         if ( !v.isNull() && v.type() == QVariant::List )
00158         {
00159             QValueList<QVariant>::ConstIterator it = v.listBegin();
00160             for ( ; it!=v.listEnd(); ++it )
00161             {
00162                 if ( ( *it ).type() != QVariant::Map )
00163                     continue;
00164                 DrBase *opt = createOption( ( *it ).toMap() );
00165                 if ( opt )
00166                 {
00167                     QString group = DrGroup::groupForOption( opt->name() );
00168                     DrGroup *grp = NULL;
00169                     if ( !groups.contains( group ) )
00170                     {
00171                         grp = new DrGroup;
00172                         grp->set( "text", group );
00173                         driver->addGroup( grp );
00174                         groups.insert( group, grp );
00175                     }
00176                     else
00177                         grp = groups[ group ];
00178                     grp->addOption( opt );
00179                     if ( opt->name() == "PageSize" )
00180                     {
00181                         // try to add the corresponding page sizes
00182                         QVariant choices = ( *it ).mapFind( "vals_byname" ).data();
00183                         QRegExp re( "(\\d+) +(\\d+)" );
00184                         if ( choices.type() == QVariant::Map )
00185                         {
00186                             QMap<QString,QVariant>::ConstIterator it = choices.mapBegin();
00187                             for ( ; it!=choices.mapEnd(); ++it )
00188                             {
00189                                 QString driverval = ( *it ).mapFind( "driverval" ).data().toString();
00190                                 if ( re.exactMatch( driverval ) )
00191                                 {
00192                                     driver->addPageSize( new DrPageSize( it.key(), re.cap( 1 ).toInt(), re.cap( 2 ).toInt(), 36, 24, 36, 24 ) );
00193                                 }
00194                             }
00195                         }
00196                     }
00197                 }
00198                 else
00199                     kdWarning( 500 ) << "Failed to create option: " << ( *it ).toMap()[ "name" ].toString() << endl;
00200             }
00201         }
00202         return driver;
00203     }
00204     return NULL;
00205 }
00206 
00207 DrMain* Foomatic2Loader::modifyDriver( DrMain *driver ) const
00208 {
00209     if ( !m_foodata.isEmpty() )
00210     {
00211         QValueList<DrBase*> optList;
00212         DrGroup *grp = NULL;
00213 
00214         QVariant V = m_foodata.find( "VAR" ).data();
00215         if ( !V.isNull() && V.type() == QVariant::Map )
00216         {
00217             QVariant v = V.mapFind( "args" ).data();
00218             if ( !v.isNull() && v.type() == QVariant::List )
00219             {
00220                 QValueList<QVariant>::ConstIterator it = v.listBegin();
00221                 for ( ; it!=v.listEnd(); ++it )
00222                 {
00223                     if ( ( *it ).type() != QVariant::Map )
00224                         continue;
00225                     DrBase *opt = createOption( ( *it ).toMap() );
00226                     if ( opt )
00227                         optList.append( opt );
00228                     else
00229                         kdWarning( 500 ) << "Failed to create option: " << ( *it ).toMap()[ "name" ].toString() << endl;
00230                 }
00231             }
00232             else
00233             {
00234                 v = V.mapFind( "args_byname" ).data();
00235                 if ( !v.isNull() && v.type() == QVariant::Map )
00236                 {
00237                     QMap<QString,QVariant>::ConstIterator it = v.mapBegin();
00238                     for ( ; it!=v.mapEnd(); ++it )
00239                     {
00240                         if ( ( *it ).type() != QVariant::Map )
00241                             continue;
00242                         DrBase *opt = createOption( ( *it ).toMap() );
00243                         if ( opt )
00244                             optList.append( opt );
00245                         else
00246                             kdWarning( 500 ) << "Failed to create option: " << ( *it ).toMap()[ "name" ].toString() << endl;
00247                     }
00248                 }
00249             }
00250         }
00251 
00252         for ( QValueList<DrBase*>::ConstIterator it=optList.begin(); it!=optList.end(); ++it )
00253         {
00254             DrBase *opt = ( *it );
00255             if ( opt )
00256             {
00257                 switch ( opt->type() )
00258                 {
00259                     case DrBase::List:
00260                     case DrBase::Boolean:
00261                         delete opt;
00262                         break;
00263                     default:
00264                         {
00265                             if ( !grp )
00266                             {
00267                                 grp = new DrGroup;
00268                                 grp->set( "text", i18n( "Adjustments" ) );
00269                                 driver->addGroup( grp );
00270                             }
00271                             DrBase *oldOpt = driver->findOption( opt->name() );
00272                             if ( oldOpt && oldOpt->type() == DrBase::List )
00273                             {
00274                                 QPtrListIterator<DrBase> it( *( static_cast<DrListOption*>( oldOpt )->choices() ) );
00275                                 QString fixedvals;
00276                                 for ( ; it.current(); ++it )
00277                                 {
00278                                     fixedvals.append( it.current()->name() );
00279                                     if ( !it.atLast() )
00280                                         fixedvals.append( "|" );
00281                                 }
00282                                 opt->set( "fixedvals", fixedvals );
00283                             }
00284                             driver->removeOptionGlobally( opt->name() );
00285                             grp->addOption( opt );
00286                             break;
00287                         }
00288                 }
00289             }
00290         }
00291     }
00292     return driver;
00293 }
00294 
00295 DrMain* Foomatic2Loader::loadDriver( const QString& filename )
00296 {
00297     Foomatic2Loader loader;
00298     if ( loader.readFromFile( filename ) )
00299         return loader.buildDriver();
00300     else
00301         return NULL;
00302 }
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