summaryrefslogtreecommitdiff
path: root/vcl/unx/generic/printer/printerinfomanager.cxx
blob: 7108d7fb2a5cf32dd20502dea616a618875e1a88 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include <unistd.h>
#include <sys/wait.h>
#include <signal.h>

#include "cupsmgr.hxx"
#include "vcl/fontmanager.hxx"
#include "vcl/strhelper.hxx"

#include "unx/saldata.hxx"

#include "tools/urlobj.hxx"
#include "tools/stream.hxx"
#include "tools/debug.hxx"
#include "tools/config.hxx"

#include "i18npool/paper.hxx"

#include "rtl/strbuf.hxx"

#include "osl/thread.hxx"
#include "osl/mutex.hxx"
#include "osl/process.h"

// filename of configuration files
#define PRINT_FILENAME  "psprint.conf"
// the group of the global defaults
#define GLOBAL_DEFAULTS_GROUP "__Global_Printer_Defaults__"

#include <hash_set>

using namespace psp;
using namespace rtl;
using namespace osl;

namespace psp
{
    class SystemQueueInfo : public Thread
    {
        mutable Mutex               m_aMutex;
        bool                        m_bChanged;
        std::list< PrinterInfoManager::SystemPrintQueue >
                                    m_aQueues;
        OUString                    m_aCommand;

        virtual void run();

        public:
        SystemQueueInfo();
        ~SystemQueueInfo();

        bool hasChanged() const;
        OUString getCommand() const;

        // sets changed status to false; therefore not const
        void getSystemQueues( std::list< PrinterInfoManager::SystemPrintQueue >& rQueues );
    };
} // namespace

/*
*  class PrinterInfoManager
*/

// -----------------------------------------------------------------

PrinterInfoManager& PrinterInfoManager::get()
{
    SalData* pSalData = GetSalData();

    if( ! pSalData->m_pPIManager )
    {
        pSalData->m_pPIManager = CUPSManager::tryLoadCUPS();
        if( ! pSalData->m_pPIManager )
            pSalData->m_pPIManager = new PrinterInfoManager();

        pSalData->m_pPIManager->initialize();
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "PrinterInfoManager::get create Manager of type %d\n", pSalData->m_pPIManager->getType() );
        #endif
    }

    return *pSalData->m_pPIManager;
}

void PrinterInfoManager::release()
{
    SalData* pSalData = GetSalData();
    delete pSalData->m_pPIManager;
    pSalData->m_pPIManager = NULL;
}

// -----------------------------------------------------------------

PrinterInfoManager::PrinterInfoManager( Type eType ) :
    m_pQueueInfo( NULL ),
    m_eType( eType ),
    m_bUseIncludeFeature( false ),
    m_bUseJobPatch( true ),
    m_aSystemDefaultPaper( RTL_CONSTASCII_USTRINGPARAM( "A4" ) ),
    m_bDisableCUPS( false )
{
    if( eType == Default )
        m_pQueueInfo = new SystemQueueInfo();
    initSystemDefaultPaper();
}

// -----------------------------------------------------------------

PrinterInfoManager::~PrinterInfoManager()
{
    delete m_pQueueInfo;
    #if OSL_DEBUG_LEVEL > 1
    fprintf( stderr, "PrinterInfoManager: destroyed Manager of type %d\n", getType() );
    #endif
}

// -----------------------------------------------------------------

bool PrinterInfoManager::isCUPSDisabled() const
{
    return m_bDisableCUPS;
}

// -----------------------------------------------------------------

void PrinterInfoManager::setCUPSDisabled( bool bDisable )
{
    m_bDisableCUPS = bDisable;
    writePrinterConfig();
    // actually we know the printers changed
    // however this triggers reinitialization the right way
    checkPrintersChanged( true );
}

// -----------------------------------------------------------------

void PrinterInfoManager::initSystemDefaultPaper()
{
    m_aSystemDefaultPaper = rtl::OStringToOUString(
        PaperInfo::toPSName(PaperInfo::getSystemDefaultPaper().getPaper()),
        RTL_TEXTENCODING_UTF8);
}

// -----------------------------------------------------------------

bool PrinterInfoManager::checkPrintersChanged( bool bWait )
{
    // check if files were created, deleted or modified since initialize()
    ::std::list< WatchFile >::const_iterator it;
    bool bChanged = false;
    for( it = m_aWatchFiles.begin(); it != m_aWatchFiles.end() && ! bChanged; ++it )
    {
        DirectoryItem aItem;
        if( DirectoryItem::get( it->m_aFilePath, aItem ) )
        {
            if( it->m_aModified.Seconds != 0 )
                bChanged = true; // file probably has vanished
        }
        else
        {
            FileStatus aStatus( FileStatusMask_ModifyTime );
            if( aItem.getFileStatus( aStatus ) )
                bChanged = true; // unlikely but not impossible
            else
            {
                TimeValue aModified = aStatus.getModifyTime();
                if( aModified.Seconds != it->m_aModified.Seconds )
                    bChanged = true;
            }
        }
    }

    if( bWait && m_pQueueInfo )
    {
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "syncing printer discovery thread\n" );
        #endif
        m_pQueueInfo->join();
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "done: syncing printer discovery thread\n" );
        #endif
    }

    if( ! bChanged && m_pQueueInfo )
        bChanged = m_pQueueInfo->hasChanged();
    if( bChanged )
    {
        initialize();
    }

    return bChanged;
}

// -----------------------------------------------------------------

void PrinterInfoManager::initialize()
{
    m_bUseIncludeFeature = false;
    rtl_TextEncoding aEncoding = gsl_getSystemTextEncoding();
    m_aPrinters.clear();
    m_aWatchFiles.clear();
    OUString aDefaultPrinter;

    // first initialize the global defaults
    // have to iterate over all possible files
    // there should be only one global setup section in all
    // available config files
    m_aGlobalDefaults = PrinterInfo();

    // need a parser for the PPDContext. generic printer should do.
    m_aGlobalDefaults.m_pParser = PPDParser::getParser( String( RTL_CONSTASCII_USTRINGPARAM( "SGENPRT" ) ) );
    m_aGlobalDefaults.m_aContext.setParser( m_aGlobalDefaults.m_pParser );
    m_aGlobalDefaults.m_bPerformFontSubstitution = true;
    m_bDisableCUPS = false;

    if( ! m_aGlobalDefaults.m_pParser )
    {
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "Error: no default PPD file SGENPRT available, shutting down psprint...\n" );
        #endif
        return;
    }

    std::list< OUString > aDirList;
    psp::getPrinterPathList( aDirList, NULL );
    std::list< OUString >::const_iterator print_dir_it;
    for( print_dir_it = aDirList.begin(); print_dir_it != aDirList.end(); ++print_dir_it )
    {
        INetURLObject aFile( *print_dir_it, INET_PROT_FILE, INetURLObject::ENCODE_ALL );
        aFile.Append( String( RTL_CONSTASCII_USTRINGPARAM( PRINT_FILENAME ) ) );
        Config aConfig( aFile.PathToFileName() );
        if( aConfig.HasGroup( GLOBAL_DEFAULTS_GROUP ) )
        {
            #if OSL_DEBUG_LEVEL > 1
            fprintf( stderr, "found global defaults in %s\n", OUStringToOString( aFile.PathToFileName(), RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
            #endif
            aConfig.SetGroup( GLOBAL_DEFAULTS_GROUP );

            ByteString aValue( aConfig.ReadKey( "Copies" ) );
            if( aValue.Len() )
                m_aGlobalDefaults.m_nCopies = aValue.ToInt32();

            aValue = aConfig.ReadKey( "Orientation" );
            if( aValue.Len() )
                m_aGlobalDefaults.m_eOrientation = aValue.EqualsIgnoreCaseAscii( "Landscape" ) ? orientation::Landscape : orientation::Portrait;

            aValue = aConfig.ReadKey( "MarginAdjust" );
            if( aValue.Len() )
            {
                m_aGlobalDefaults.m_nLeftMarginAdjust   = aValue.GetToken( 0, ',' ).ToInt32();
                m_aGlobalDefaults.m_nRightMarginAdjust  = aValue.GetToken( 1, ',' ).ToInt32();
                m_aGlobalDefaults.m_nTopMarginAdjust    = aValue.GetToken( 2, ',' ).ToInt32();
                m_aGlobalDefaults.m_nBottomMarginAdjust = aValue.GetToken( 3, ',' ).ToInt32();
            }

            aValue = aConfig.ReadKey( "ColorDepth", "24" );
            if( aValue.Len() )
                m_aGlobalDefaults.m_nColorDepth = aValue.ToInt32();

            aValue = aConfig.ReadKey( "ColorDevice" );
            if( aValue.Len() )
                m_aGlobalDefaults.m_nColorDevice = aValue.ToInt32();

            aValue = aConfig.ReadKey( "PSLevel" );
            if( aValue.Len() )
                m_aGlobalDefaults.m_nPSLevel = aValue.ToInt32();

            aValue = aConfig.ReadKey( "PDFDevice" );
            if( aValue.Len() )
                m_aGlobalDefaults.m_nPDFDevice = aValue.ToInt32();

            aValue = aConfig.ReadKey( "PerformFontSubstitution" );
            if( aValue.Len() )
            {
                if( ! aValue.Equals( "0" ) && ! aValue.EqualsIgnoreCaseAscii( "false" ) )
                    m_aGlobalDefaults.m_bPerformFontSubstitution = true;
                else
                    m_aGlobalDefaults.m_bPerformFontSubstitution = false;
            }

            aValue = aConfig.ReadKey( "DisableCUPS" );
            if( aValue.Len() )
            {
                if( aValue.Equals( "1" ) || aValue.EqualsIgnoreCaseAscii( "true" ) )
                    m_bDisableCUPS = true;
                else
                    m_bDisableCUPS = false;
            }

            // get the PPDContext of global JobData
            for( int nKey = 0; nKey < aConfig.GetKeyCount(); nKey++ )
            {
                ByteString aKey( aConfig.GetKeyName( nKey ) );
                if( aKey.CompareTo( "PPD_", 4 ) == COMPARE_EQUAL )
                {
                    aValue = aConfig.ReadKey( aKey );
                    const PPDKey* pKey = m_aGlobalDefaults.m_pParser->getKey( String( aKey.Copy( 4 ), RTL_TEXTENCODING_ISO_8859_1 ) );
                    if( pKey )
                    {
                        m_aGlobalDefaults.m_aContext.
                        setValue( pKey,
                        aValue.Equals( "*nil" ) ? NULL : pKey->getValue( String( aValue, RTL_TEXTENCODING_ISO_8859_1 ) ),
                        sal_True );
                    }
                }
                else if( aKey.Len() > 10 && aKey.CompareTo("SubstFont_", 10 ) == COMPARE_EQUAL )
                {
                    aValue = aConfig.ReadKey( aKey );
                    m_aGlobalDefaults.m_aFontSubstitutes[ OStringToOUString( aKey.Copy( 10 ), RTL_TEXTENCODING_ISO_8859_1 ) ] = OStringToOUString( aValue, RTL_TEXTENCODING_ISO_8859_1 );
                }
            }
            #if OSL_DEBUG_LEVEL > 1
            fprintf( stderr, "global settings: fontsubst = %s, %d substitutes\n", m_aGlobalDefaults.m_bPerformFontSubstitution ? "true" : "false", (int)m_aGlobalDefaults.m_aFontSubstitutes.size() );
            #endif
        }
    }
    setDefaultPaper( m_aGlobalDefaults.m_aContext );
    fillFontSubstitutions( m_aGlobalDefaults );

    // now collect all available printers
    for( print_dir_it = aDirList.begin(); print_dir_it != aDirList.end(); ++print_dir_it )
    {
        INetURLObject aDir( *print_dir_it, INET_PROT_FILE, INetURLObject::ENCODE_ALL );
        INetURLObject aFile( aDir );
        aFile.Append( String( RTL_CONSTASCII_USTRINGPARAM( PRINT_FILENAME ) ) );

        // check directory validity
        OUString aUniPath;
        FileBase::getFileURLFromSystemPath( aDir.PathToFileName(), aUniPath );
        Directory aDirectory( aUniPath );
        if( aDirectory.open() )
            continue;
        aDirectory.close();


        FileBase::getFileURLFromSystemPath( aFile.PathToFileName(), aUniPath );
        FileStatus aStatus( FileStatusMask_ModifyTime );
        DirectoryItem aItem;

        // setup WatchFile list
        WatchFile aWatchFile;
        aWatchFile.m_aFilePath = aUniPath;
        if( ! DirectoryItem::get( aUniPath, aItem ) &&
            ! aItem.getFileStatus( aStatus ) )
        {
            aWatchFile.m_aModified = aStatus.getModifyTime();
        }
        else
        {
            aWatchFile.m_aModified.Seconds = 0;
            aWatchFile.m_aModified.Nanosec = 0;
        }
        m_aWatchFiles.push_back( aWatchFile );

        Config aConfig( aFile.PathToFileName() );
        for( int nGroup = 0; nGroup < aConfig.GetGroupCount(); nGroup++ )
        {
            aConfig.SetGroup( aConfig.GetGroupName( nGroup ) );
            ByteString aValue = aConfig.ReadKey( "Printer" );
            if( aValue.Len() )
            {
                OUString aPrinterName;

                int nNamePos = aValue.Search( '/' );
                // check for valid value of "Printer"
                if( nNamePos == STRING_NOTFOUND )
                    continue;

                Printer aPrinter;
                // initialize to global defaults
                aPrinter.m_aInfo = m_aGlobalDefaults;
                // global settings do not default the printer substitution
                // list ! the substitution list in there is only used for
                // newly created printers
                aPrinter.m_aInfo.m_aFontSubstitutes.clear();
                aPrinter.m_aInfo.m_aFontSubstitutions.clear();

                aPrinterName = String( aValue.Copy( nNamePos+1 ), RTL_TEXTENCODING_UTF8 );
                aPrinter.m_aInfo.m_aPrinterName     = aPrinterName;
                aPrinter.m_aInfo.m_aDriverName      = String( aValue.Copy( 0, nNamePos ), RTL_TEXTENCODING_UTF8 );

                // set parser, merge settings
                // don't do this for CUPS printers as this is done
                // by the CUPS system itself
                if( aPrinter.m_aInfo.m_aDriverName.compareToAscii( "CUPS:", 5 ) != 0 )
                {
                    aPrinter.m_aInfo.m_pParser          = PPDParser::getParser( aPrinter.m_aInfo.m_aDriverName );
                    aPrinter.m_aInfo.m_aContext.setParser( aPrinter.m_aInfo.m_pParser );
                    // note: setParser also purges the context

                    // ignore this printer if its driver is not found
                    if( ! aPrinter.m_aInfo.m_pParser )
                        continue;

                    // merge the ppd context keys if the printer has the same keys and values
                    // this is a bit tricky, since it involves mixing two PPDs
                    // without constraints which might end up badly
                    // this feature should be use with caution
                    // it is mainly to select default paper sizes for new printers
                    for( int nPPDValueModified = 0; nPPDValueModified < m_aGlobalDefaults.m_aContext.countValuesModified(); nPPDValueModified++ )
                    {
                        const PPDKey* pDefKey = m_aGlobalDefaults.m_aContext.getModifiedKey( nPPDValueModified );
                        const PPDValue* pDefValue = m_aGlobalDefaults.m_aContext.getValue( pDefKey );
                        const PPDKey* pPrinterKey = pDefKey ? aPrinter.m_aInfo.m_pParser->getKey( pDefKey->getKey() ) : NULL;
                        if( pDefKey && pPrinterKey )
                            // at least the options exist in both PPDs
                        {
                            if( pDefValue )
                            {
                                const PPDValue* pPrinterValue = pPrinterKey->getValue( pDefValue->m_aOption );
                                if( pPrinterValue )
                                    // the printer has a corresponding option for the key
                                aPrinter.m_aInfo.m_aContext.setValue( pPrinterKey, pPrinterValue );
                            }
                            else
                                aPrinter.m_aInfo.m_aContext.setValue( pPrinterKey, NULL );
                        }
                    }

                    aValue = aConfig.ReadKey( "Command" );
                    // no printer without a command
                    if( ! aValue.Len() )
                    {
                        /*  TODO:
                        *  porters: please append your platform to the Solaris
                        *  case if your platform has SystemV printing per default.
                        */
                        #if defined SOLARIS
                        aValue = "lp";
                        #else
                        aValue = "lpr";
                        #endif
                    }
                    aPrinter.m_aInfo.m_aCommand = String( aValue, RTL_TEXTENCODING_UTF8 );
                }

                aValue = aConfig.ReadKey( "QuickCommand" );
                aPrinter.m_aInfo.m_aQuickCommand = String( aValue, RTL_TEXTENCODING_UTF8 );

                aValue = aConfig.ReadKey( "Features" );
                aPrinter.m_aInfo.m_aFeatures = String( aValue, RTL_TEXTENCODING_UTF8 );

                // override the settings in m_aGlobalDefaults if keys exist
                aValue = aConfig.ReadKey( "DefaultPrinter" );
                if( ! aValue.Equals( "0" ) && ! aValue.EqualsIgnoreCaseAscii( "false" ) )
                    aDefaultPrinter = aPrinterName;

                aValue = aConfig.ReadKey( "Location" );
                aPrinter.m_aInfo.m_aLocation = String( aValue, RTL_TEXTENCODING_UTF8 );

                aValue = aConfig.ReadKey( "Comment" );
                aPrinter.m_aInfo.m_aComment = String( aValue, RTL_TEXTENCODING_UTF8 );

                aValue = aConfig.ReadKey( "Copies" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_nCopies = aValue.ToInt32();

                aValue = aConfig.ReadKey( "Orientation" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_eOrientation = aValue.EqualsIgnoreCaseAscii( "Landscape" ) ? orientation::Landscape : orientation::Portrait;

                aValue = aConfig.ReadKey( "MarginAdjust" );
                if( aValue.Len() )
                {
                    aPrinter.m_aInfo.m_nLeftMarginAdjust    = aValue.GetToken( 0, ',' ).ToInt32();
                    aPrinter.m_aInfo.m_nRightMarginAdjust   = aValue.GetToken( 1, ',' ).ToInt32();
                    aPrinter.m_aInfo.m_nTopMarginAdjust     = aValue.GetToken( 2, ',' ).ToInt32();
                    aPrinter.m_aInfo.m_nBottomMarginAdjust  = aValue.GetToken( 3, ',' ).ToInt32();
                }

                aValue = aConfig.ReadKey( "ColorDepth" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_nColorDepth = aValue.ToInt32();

                aValue = aConfig.ReadKey( "ColorDevice" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_nColorDevice = aValue.ToInt32();

                aValue = aConfig.ReadKey( "PSLevel" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_nPSLevel = aValue.ToInt32();

                aValue = aConfig.ReadKey( "PDFDevice" );
                if( aValue.Len() )
                    aPrinter.m_aInfo.m_nPDFDevice = aValue.ToInt32();

                aValue = aConfig.ReadKey( "PerformFontSubstitution" );
                if( ! aValue.Equals( "0" ) && ! aValue.EqualsIgnoreCaseAscii( "false" ) )
                    aPrinter.m_aInfo.m_bPerformFontSubstitution = true;
                else
                    aPrinter.m_aInfo.m_bPerformFontSubstitution = false;

                // now iterate over all keys to extract multi key information:
                // 1. PPDContext information
                // 2. Font substitution table
                for( int nKey = 0; nKey < aConfig.GetKeyCount(); nKey++ )
                {
                    ByteString aKey( aConfig.GetKeyName( nKey ) );
                    if( aKey.CompareTo( "PPD_", 4 ) == COMPARE_EQUAL && aPrinter.m_aInfo.m_pParser )
                    {
                        aValue = aConfig.ReadKey( aKey );
                        const PPDKey* pKey = aPrinter.m_aInfo.m_pParser->getKey( String( aKey.Copy( 4 ), RTL_TEXTENCODING_ISO_8859_1 ) );
                        if( pKey )
                        {
                            aPrinter.m_aInfo.m_aContext.
                            setValue( pKey,
                            aValue.Equals( "*nil" ) ? NULL : pKey->getValue( String( aValue, RTL_TEXTENCODING_ISO_8859_1 ) ),
                            sal_True );
                        }
                    }
                    else if( aKey.Len() > 10 && aKey.CompareTo("SubstFont_", 10 ) == COMPARE_EQUAL )
                    {
                        aValue = aConfig.ReadKey( aKey );
                        aPrinter.m_aInfo.m_aFontSubstitutes[ OStringToOUString( aKey.Copy( 10 ), RTL_TEXTENCODING_ISO_8859_1 ) ] = OStringToOUString( aValue, RTL_TEXTENCODING_ISO_8859_1 );
                    }
                }

                setDefaultPaper( aPrinter.m_aInfo.m_aContext );
                fillFontSubstitutions( aPrinter.m_aInfo );

                // finally insert printer
                FileBase::getFileURLFromSystemPath( aFile.PathToFileName(), aPrinter.m_aFile );
                aPrinter.m_bModified    = false;
                aPrinter.m_aGroup       = aConfig.GetGroupName( nGroup );
                std::hash_map< OUString, Printer, OUStringHash >::const_iterator find_it =
                m_aPrinters.find( aPrinterName );
                if( find_it != m_aPrinters.end() )
                {
                    aPrinter.m_aAlternateFiles = find_it->second.m_aAlternateFiles;
                    aPrinter.m_aAlternateFiles.push_front( find_it->second.m_aFile );
                }
                m_aPrinters[ aPrinterName ] = aPrinter;
            }
        }
    }

    // set default printer
    if( m_aPrinters.size() )
    {
        if( m_aPrinters.find( aDefaultPrinter ) == m_aPrinters.end() )
            aDefaultPrinter = m_aPrinters.begin()->first;
    }
    else
        aDefaultPrinter = OUString();
    m_aDefaultPrinter = aDefaultPrinter;

    if( m_eType != Default )
        return;

    // add a default printer for every available print queue
    // merge paper and font substitution from default printer,
    // all else from global defaults
    PrinterInfo aMergeInfo( m_aGlobalDefaults );
    aMergeInfo.m_aDriverName    = String( RTL_CONSTASCII_USTRINGPARAM( "SGENPRT" ) );
    aMergeInfo.m_aFeatures      = String( RTL_CONSTASCII_USTRINGPARAM( "autoqueue" ) );

    if( m_aDefaultPrinter.getLength() )
    {
        PrinterInfo aDefaultInfo( getPrinterInfo( m_aDefaultPrinter ) );
        aMergeInfo.m_bPerformFontSubstitution = aDefaultInfo.m_bPerformFontSubstitution;
        fillFontSubstitutions( aMergeInfo );

        const PPDKey* pDefKey           = aDefaultInfo.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "PageSize" ) ) );
        const PPDKey* pMergeKey         = aMergeInfo.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "PageSize" ) ) );
        const PPDValue* pDefValue       = aDefaultInfo.m_aContext.getValue( pDefKey );
        const PPDValue* pMergeValue     = pMergeKey ? pMergeKey->getValue( pDefValue->m_aOption ) : NULL;
        if( pMergeKey && pMergeValue )
            aMergeInfo.m_aContext.setValue( pMergeKey, pMergeValue );
    }

    getSystemPrintQueues();
    for( ::std::list< SystemPrintQueue >::iterator it = m_aSystemPrintQueues.begin(); it != m_aSystemPrintQueues.end(); ++it )
    {
        String aPrinterName( RTL_CONSTASCII_USTRINGPARAM( "<" ) );
        aPrinterName += String( it->m_aQueue );
        aPrinterName.Append( '>' );

        if( m_aPrinters.find( aPrinterName ) != m_aPrinters.end() )
            // probably user made this one permanent in padmin
        continue;

        String aCmd( m_aSystemPrintCommand );
        aCmd.SearchAndReplace( String( RTL_CONSTASCII_USTRINGPARAM( "(PRINTER)" ) ), it->m_aQueue );

        Printer aPrinter;

        // initialize to merged defaults
        aPrinter.m_aInfo = aMergeInfo;
        aPrinter.m_aInfo.m_aPrinterName     = aPrinterName;
        aPrinter.m_aInfo.m_aCommand         = aCmd;
        aPrinter.m_aInfo.m_aComment         = it->m_aComment;
        aPrinter.m_aInfo.m_aLocation        = it->m_aLocation;
        aPrinter.m_bModified                = false;
        aPrinter.m_aGroup                   = ByteString( aPrinterName, aEncoding ); //provide group name in case user makes this one permanent in padmin

        m_aPrinters[ aPrinterName ] = aPrinter;
    }
}

// -----------------------------------------------------------------

void PrinterInfoManager::listPrinters( ::std::list< OUString >& rList ) const
{
    ::std::hash_map< OUString, Printer, OUStringHash >::const_iterator it;
    rList.clear();
    for( it = m_aPrinters.begin(); it != m_aPrinters.end(); ++it )
        rList.push_back( it->first );
}

// -----------------------------------------------------------------

const PrinterInfo& PrinterInfoManager::getPrinterInfo( const OUString& rPrinter ) const
{
    static PrinterInfo aEmptyInfo;
    ::std::hash_map< OUString, Printer, OUStringHash >::const_iterator it = m_aPrinters.find( rPrinter );

    DBG_ASSERT( it != m_aPrinters.end(), "Do not ask for info about nonexistent printers" );

    return it != m_aPrinters.end() ? it->second.m_aInfo : aEmptyInfo;
}

// -----------------------------------------------------------------

void PrinterInfoManager::changePrinterInfo( const OUString& rPrinter, const PrinterInfo& rNewInfo )
{
    ::std::hash_map< OUString, Printer, OUStringHash >::iterator it = m_aPrinters.find( rPrinter );

    DBG_ASSERT( it != m_aPrinters.end(), "Do not change nonexistant printers" );

    if( it != m_aPrinters.end() )
    {
        it->second.m_aInfo      = rNewInfo;
        // recalculate font substitutions
        fillFontSubstitutions( it->second.m_aInfo );
        it->second.m_bModified  = true;
        writePrinterConfig();
    }
}

// -----------------------------------------------------------------

// need to check writeability / creatability of config files
static bool checkWriteability( const OUString& rUniPath )
{
    bool bRet = false;
    OUString aSysPath;
    FileBase::getSystemPathFromFileURL( rUniPath, aSysPath );
    SvFileStream aStream( aSysPath, STREAM_READ | STREAM_WRITE );
    if( aStream.IsOpen() && aStream.IsWritable() )
        bRet = true;
    return bRet;
}

bool PrinterInfoManager::writePrinterConfig()
{
    // find at least one writeable config
    ::std::hash_map< OUString, Config*, OUStringHash > files;
    ::std::hash_map< OUString, int, OUStringHash > rofiles;
    ::std::hash_map< OUString, Config*, OUStringHash >::iterator file_it;

    for( ::std::list< WatchFile >::const_iterator wit = m_aWatchFiles.begin(); wit != m_aWatchFiles.end(); ++wit )
    {
        if( checkWriteability( wit->m_aFilePath ) )
        {
            files[ wit->m_aFilePath ] = new Config( wit->m_aFilePath );
            break;
        }
    }

    if( files.empty() )
        return false;

    Config* pGlobal = files.begin()->second;
    pGlobal->SetGroup( GLOBAL_DEFAULTS_GROUP );
    pGlobal->WriteKey( "DisableCUPS", m_bDisableCUPS ? "true" : "false" );

    ::std::hash_map< OUString, Printer, OUStringHash >::iterator it;
    for( it = m_aPrinters.begin(); it != m_aPrinters.end(); ++it )
    {
        if( ! it->second.m_bModified )
            // printer was not changed, do nothing
        continue;

        // don't save autoqueue printers
        sal_Int32 nIndex = 0;
        bool bAutoQueue = false;
        while( nIndex != -1 && ! bAutoQueue )
        {
            OUString aToken( it->second.m_aInfo.m_aFeatures.getToken( 0, ',', nIndex ) );
            if( aToken.getLength() && aToken.compareToAscii( "autoqueue" ) == 0 )
                bAutoQueue = true;
        }
        if( bAutoQueue )
            continue;

        if( it->second.m_aFile.getLength() )
        {
            // check if file is writable
            if( files.find( it->second.m_aFile ) == files.end() )
            {
                bool bInsertToNewFile = false;
                // maybe it is simply not inserted yet
                if( rofiles.find( it->second.m_aFile ) == rofiles.end() )
                {
                    if( checkWriteability( it->second.m_aFile ) )
                        files[ it->second.m_aFile ] = new Config( it->second.m_aFile );
                    else
                        bInsertToNewFile = true;
                }
                else
                    bInsertToNewFile = true;
                // original file is read only, insert printer in a new writeable file
                if( bInsertToNewFile )
                {
                    rofiles[ it->second.m_aFile ] = 1;
                    // update alternate file list
                    // the remove operation ensures uniqueness of each alternate
                    it->second.m_aAlternateFiles.remove( it->second.m_aFile );
                    it->second.m_aAlternateFiles.remove( files.begin()->first );
                    it->second.m_aAlternateFiles.push_front( it->second.m_aFile );
                    // update file
                    it->second.m_aFile = files.begin()->first;
                }
            }
        }
        else // a new printer, write it to the first file available
            it->second.m_aFile = files.begin()->first;

        if( ! it->second.m_aGroup.getLength() ) // probably a new printer
            it->second.m_aGroup = OString( it->first.getStr(), it->first.getLength(), RTL_TEXTENCODING_UTF8 );

        if( files.find( it->second.m_aFile ) != files.end() )
        {
            Config* pConfig = files[ it->second.m_aFile ];
            pConfig->DeleteGroup( it->second.m_aGroup ); // else some old keys may remain
            pConfig->SetGroup( it->second.m_aGroup );

            ByteString aValue( String( it->second.m_aInfo.m_aDriverName ), RTL_TEXTENCODING_UTF8 );
            aValue += '/';
            aValue += ByteString( String( it->first ), RTL_TEXTENCODING_UTF8 );
            pConfig->WriteKey( "Printer", aValue );
            pConfig->WriteKey( "DefaultPrinter", it->first == m_aDefaultPrinter ? "1" : "0" );
            pConfig->WriteKey( "Location", ByteString( String( it->second.m_aInfo.m_aLocation ), RTL_TEXTENCODING_UTF8 ) );
            pConfig->WriteKey( "Comment", ByteString( String( it->second.m_aInfo.m_aComment ), RTL_TEXTENCODING_UTF8 ) );
            pConfig->WriteKey( "Command", ByteString( String( it->second.m_aInfo.m_aCommand ), RTL_TEXTENCODING_UTF8 ) );
            pConfig->WriteKey( "QuickCommand", ByteString( String( it->second.m_aInfo.m_aQuickCommand ), RTL_TEXTENCODING_UTF8 ) );
            pConfig->WriteKey( "Features", ByteString( String( it->second.m_aInfo.m_aFeatures ), RTL_TEXTENCODING_UTF8 ) );
            pConfig->WriteKey( "Copies", ByteString::CreateFromInt32( it->second.m_aInfo.m_nCopies ) );
            pConfig->WriteKey( "Orientation", it->second.m_aInfo.m_eOrientation == orientation::Landscape ? "Landscape" : "Portrait" );
            pConfig->WriteKey( "PSLevel", ByteString::CreateFromInt32( it->second.m_aInfo.m_nPSLevel ) );
            pConfig->WriteKey( "PDFDevice", ByteString::CreateFromInt32( it->second.m_aInfo.m_nPDFDevice ) );
            pConfig->WriteKey( "ColorDevice", ByteString::CreateFromInt32( it->second.m_aInfo.m_nColorDevice ) );
            pConfig->WriteKey( "ColorDepth", ByteString::CreateFromInt32( it->second.m_aInfo.m_nColorDepth ) );
            aValue = ByteString::CreateFromInt32( it->second.m_aInfo.m_nLeftMarginAdjust );
            aValue += ',';
            aValue += ByteString::CreateFromInt32( it->second.m_aInfo.m_nRightMarginAdjust );
            aValue += ',';
            aValue += ByteString::CreateFromInt32( it->second.m_aInfo.m_nTopMarginAdjust );
            aValue += ',';
            aValue += ByteString::CreateFromInt32( it->second.m_aInfo.m_nBottomMarginAdjust );
            pConfig->WriteKey( "MarginAdjust", aValue );

            if( it->second.m_aInfo.m_aDriverName.compareToAscii( "CUPS:", 5 ) != 0 )
            {
                // write PPDContext (not for CUPS)
                for( int i = 0; i < it->second.m_aInfo.m_aContext.countValuesModified(); i++ )
                {
                    const PPDKey* pKey = it->second.m_aInfo.m_aContext.getModifiedKey( i );
                    ByteString aKey( "PPD_" );
                    aKey += ByteString( pKey->getKey(), RTL_TEXTENCODING_ISO_8859_1 );

                    const PPDValue* pValue = it->second.m_aInfo.m_aContext.getValue( pKey );
                    aValue = pValue ? ByteString( pValue->m_aOption, RTL_TEXTENCODING_ISO_8859_1 ) : ByteString( "*nil" );
                    pConfig->WriteKey( aKey, aValue );
                }
            }

            // write font substitution table
            pConfig->WriteKey( "PerformFontSubstitution", it->second.m_aInfo.m_bPerformFontSubstitution ? "true" : "false" );
            for( ::std::hash_map< OUString, OUString, OUStringHash >::const_iterator subst = it->second.m_aInfo.m_aFontSubstitutes.begin();
            subst != it->second.m_aInfo.m_aFontSubstitutes.end(); ++subst )
            {
                ByteString aKey( "SubstFont_" );
                aKey.Append( OUStringToOString( subst->first, RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
                pConfig->WriteKey( aKey, OUStringToOString( subst->second, RTL_TEXTENCODING_ISO_8859_1 ) );
            }
        }
    }

    // get rid of Config objects. this also writes any changes
    for( file_it = files.begin(); file_it != files.end(); ++file_it )
        delete file_it->second;

    return true;
}

// -----------------------------------------------------------------

bool PrinterInfoManager::addPrinter( const OUString& rPrinterName, const OUString& rDriverName )
{
    bool bSuccess = false;

    const PPDParser* pParser = NULL;
    if( m_aPrinters.find( rPrinterName ) == m_aPrinters.end() && ( pParser = PPDParser::getParser( rDriverName ) ) )
    {
        Printer aPrinter;
        aPrinter.m_bModified                        = true;
        aPrinter.m_aInfo                            = m_aGlobalDefaults;
        aPrinter.m_aInfo.m_aDriverName              = rDriverName;
        aPrinter.m_aInfo.m_pParser                  = pParser;
        aPrinter.m_aInfo.m_aContext.setParser( pParser );
        aPrinter.m_aInfo.m_aPrinterName             = rPrinterName;

        fillFontSubstitutions( aPrinter.m_aInfo );
        // merge PPD values with global defaults
        for( int nPPDValueModified = 0; nPPDValueModified < m_aGlobalDefaults.m_aContext.countValuesModified(); nPPDValueModified++ )
        {
            const PPDKey* pDefKey = m_aGlobalDefaults.m_aContext.getModifiedKey( nPPDValueModified );
            const PPDValue* pDefValue = m_aGlobalDefaults.m_aContext.getValue( pDefKey );
            const PPDKey* pPrinterKey = pDefKey ? aPrinter.m_aInfo.m_pParser->getKey( pDefKey->getKey() ) : NULL;
            if( pDefKey && pPrinterKey )
                // at least the options exist in both PPDs
            {
                if( pDefValue )
                {
                    const PPDValue* pPrinterValue = pPrinterKey->getValue( pDefValue->m_aOption );
                    if( pPrinterValue )
                        // the printer has a corresponding option for the key
                    aPrinter.m_aInfo.m_aContext.setValue( pPrinterKey, pPrinterValue );
                }
                else
                    aPrinter.m_aInfo.m_aContext.setValue( pPrinterKey, NULL );
            }
        }

        m_aPrinters[ rPrinterName ] = aPrinter;
        bSuccess = true;
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "new printer %s, level = %d, pdfdevice = %d, colordevice = %d, depth = %d\n",
        OUStringToOString( rPrinterName, osl_getThreadTextEncoding() ).getStr(),
        m_aPrinters[rPrinterName].m_aInfo.m_nPSLevel,
        m_aPrinters[rPrinterName].m_aInfo.m_nPDFDevice,
        m_aPrinters[rPrinterName].m_aInfo.m_nColorDevice,
        m_aPrinters[rPrinterName].m_aInfo.m_nColorDepth );
        #endif
        // comment: logically one should writePrinterConfig() here
        // but immediately after addPrinter() a changePrinterInfo()
        // will follow (see padmin code), which writes it again,
        // so we can currently save some performance here
    }
    return bSuccess;
}

// -----------------------------------------------------------------

bool PrinterInfoManager::removePrinter( const OUString& rPrinterName, bool bCheckOnly )
{
    bool bSuccess = true;

    ::std::hash_map< OUString, Printer, OUStringHash >::iterator it = m_aPrinters.find( rPrinterName );
    if( it != m_aPrinters.end() )
    {
        if( it->second.m_aFile.getLength() )
        {
            // this printer already exists in a config file


            // check writeability of config file(s)
            if( ! checkWriteability( it->second.m_aFile ) )
                bSuccess = false;
            else
            {
                for( std::list< OUString >::const_iterator file_it = it->second.m_aAlternateFiles.begin();
                file_it != it->second.m_aAlternateFiles.end() && bSuccess; ++file_it )
                {
                    if( ! checkWriteability( *file_it ) )
                        bSuccess = false;
                }
            }
            if( bSuccess && ! bCheckOnly )
            {

                Config aConfig( it->second.m_aFile );
                aConfig.DeleteGroup( it->second.m_aGroup );
                aConfig.Flush();
                for( std::list< OUString >::const_iterator file_it = it->second.m_aAlternateFiles.begin();
                file_it != it->second.m_aAlternateFiles.end() && bSuccess; ++file_it )
                {
                    Config aAltConfig( *file_it );
                    aAltConfig.DeleteGroup( it->second.m_aGroup );
                    aAltConfig.Flush();
                }
            }
        }
        if( bSuccess && ! bCheckOnly )
        {
            m_aPrinters.erase( it );
            // need this here because someone may call
            // checkPrintersChanged after the removal
            // but then other added printers were not flushed
            // to disk, so they are discarded
            writePrinterConfig();
        }
    }
    return bSuccess;
}

// -----------------------------------------------------------------

bool PrinterInfoManager::setDefaultPrinter( const OUString& rPrinterName )
{
    bool bSuccess = false;

    ::std::hash_map< OUString, Printer, OUStringHash >::iterator it = m_aPrinters.find( rPrinterName );
    if( it != m_aPrinters.end() )
    {
        bSuccess = true;
        it->second.m_bModified = true;
        if( ( it = m_aPrinters.find( m_aDefaultPrinter ) ) != m_aPrinters.end() )
            it->second.m_bModified = true;
        m_aDefaultPrinter = rPrinterName;
        writePrinterConfig();
    }
    return bSuccess;
}

// -----------------------------------------------------------------
bool PrinterInfoManager::addOrRemovePossible() const
{
    return true;
}

// -----------------------------------------------------------------

void PrinterInfoManager::fillFontSubstitutions( PrinterInfo& rInfo ) const
{
    PrintFontManager& rFontManager( PrintFontManager::get() );
    rInfo.m_aFontSubstitutions.clear();

    if( ! rInfo.m_bPerformFontSubstitution ||
        ! rInfo.m_aFontSubstitutes.size() )
    return;

    ::std::list< FastPrintFontInfo > aFonts;
    ::std::hash_map< OUString, ::std::list< FastPrintFontInfo >, OUStringHash > aPrinterFonts;
    rFontManager.getFontListWithFastInfo( aFonts, rInfo.m_pParser );

    // get builtin fonts
    ::std::list< FastPrintFontInfo >::const_iterator it;
    for( it = aFonts.begin(); it != aFonts.end(); ++it )
        if( it->m_eType == fonttype::Builtin )
            aPrinterFonts[ it->m_aFamilyName.toAsciiLowerCase() ].push_back( *it );

    // map lower case, so build a local copy of the font substitutions
    ::std::hash_map< OUString, OUString, OUStringHash > aSubstitutions;
    ::std::hash_map< OUString, OUString, OUStringHash >::const_iterator subst;
    for( subst = rInfo.m_aFontSubstitutes.begin(); subst != rInfo.m_aFontSubstitutes.end(); ++subst )
    {
        OUString aFamily( subst->first.toAsciiLowerCase() );
        // first look if there is a builtin of this family
        // in this case override the substitution table
        if( aPrinterFonts.find( aFamily ) != aPrinterFonts.end() )
            aSubstitutions[ aFamily ] = aFamily;
        else
            aSubstitutions[ aFamily ] = subst->second.toAsciiLowerCase();
    }


    // now find substitutions
    for( it = aFonts.begin(); it != aFonts.end(); ++it )
    {
        if( it->m_eType != fonttype::Builtin )
        {
            OUString aFamily( it->m_aFamilyName.toAsciiLowerCase() );
            subst = aSubstitutions.find( aFamily );
            if( subst != aSubstitutions.end() )
            {
                // search a substitution
                const ::std::list< FastPrintFontInfo >& rBuiltins( aPrinterFonts[ aSubstitutions[ aFamily ] ] );
                ::std::list< FastPrintFontInfo >::const_iterator builtin;
                int nLastMatch = -10000;
                fontID nSubstitute = -1;
                for( builtin = rBuiltins.begin(); builtin != rBuiltins.end(); ++builtin )
                {
                    int nMatch = 0;
                    int nDiff;
                    if( builtin->m_eItalic == it->m_eItalic )
                        nMatch += 8000;

                    nDiff = builtin->m_eWeight - it->m_eWeight;
                    nDiff = nDiff < 0 ? -nDiff : nDiff;
                    nMatch += 4000 - 1000*nDiff;

                    nDiff = builtin->m_eWidth - it->m_eWidth;
                    nDiff = nDiff < 0 ? -nDiff : nDiff;
                    nMatch += 2000 - 500*nDiff;

                    if( nMatch > nLastMatch )
                    {
                        nLastMatch = nMatch;
                        nSubstitute = builtin->m_nID;
                    }
                }
                if( nSubstitute != -1 )
                {
                    rInfo.m_aFontSubstitutions[ it->m_nID ] = nSubstitute;
                    #if OSL_DEBUG_LEVEL > 2
                    FastPrintFontInfo aInfo;
                    rFontManager.getFontFastInfo( nSubstitute, aInfo );
                    fprintf( stderr,
                    "substitute %s %s %d %d\n"
                    " ->        %s %s %d %d\n",
                    OUStringToOString( it->m_aFamilyName, RTL_TEXTENCODING_ISO_8859_1 ).getStr(),
                    it->m_eItalic == italic::Upright ? "r" : it->m_eItalic == italic::Oblique ? "o" : it->m_eItalic == italic::Italic ? "i" : "u",
                    it->m_eWeight,
                    it->m_eWidth,

                    OUStringToOString( aInfo.m_aFamilyName, RTL_TEXTENCODING_ISO_8859_1 ).getStr(),
                    aInfo.m_eItalic == italic::Upright ? "r" : aInfo.m_eItalic == italic::Oblique ? "o" : aInfo.m_eItalic == italic::Italic ? "i" : "u",
                    aInfo.m_eWeight,
                    aInfo.m_eWidth
                    );
                    #endif
                }
            }
        }
    }
}

// -----------------------------------------------------------------

void PrinterInfoManager::getSystemPrintCommands( std::list< OUString >& rCommands )
{
    if( m_pQueueInfo && m_pQueueInfo->hasChanged() )
    {
        m_aSystemPrintCommand = m_pQueueInfo->getCommand();
        m_pQueueInfo->getSystemQueues( m_aSystemPrintQueues );
        delete m_pQueueInfo, m_pQueueInfo = NULL;
    }

    std::list< SystemPrintQueue >::const_iterator it;
    rCommands.clear();
    String aPrinterConst( RTL_CONSTASCII_USTRINGPARAM( "(PRINTER)" ) );
    for( it = m_aSystemPrintQueues.begin(); it != m_aSystemPrintQueues.end(); ++it )
    {
        String aCmd( m_aSystemPrintCommand );
        aCmd.SearchAndReplace( aPrinterConst, it->m_aQueue );
        rCommands.push_back( aCmd );
    }
}

const std::list< PrinterInfoManager::SystemPrintQueue >& PrinterInfoManager::getSystemPrintQueues()
{
    if( m_pQueueInfo && m_pQueueInfo->hasChanged() )
    {
        m_aSystemPrintCommand = m_pQueueInfo->getCommand();
        m_pQueueInfo->getSystemQueues( m_aSystemPrintQueues );
        delete m_pQueueInfo, m_pQueueInfo = NULL;
    }

    return m_aSystemPrintQueues;
}

bool PrinterInfoManager::checkFeatureToken( const rtl::OUString& rPrinterName, const char* pToken ) const
{
    const PrinterInfo& rPrinterInfo( getPrinterInfo( rPrinterName ) );
    sal_Int32 nIndex = 0;
    while( nIndex != -1 )
    {
        OUString aOuterToken = rPrinterInfo.m_aFeatures.getToken( 0, ',', nIndex );
        sal_Int32 nInnerIndex = 0;
        OUString aInnerToken = aOuterToken.getToken( 0, '=', nInnerIndex );
        if( aInnerToken.equalsIgnoreAsciiCaseAscii( pToken ) )
            return true;
    }
    return false;
}

FILE* PrinterInfoManager::startSpool( const OUString& rPrintername, bool bQuickCommand )
{
    const PrinterInfo&   rPrinterInfo   = getPrinterInfo (rPrintername);
    const rtl::OUString& rCommand       = (bQuickCommand && rPrinterInfo.m_aQuickCommand.getLength() ) ?
                                          rPrinterInfo.m_aQuickCommand : rPrinterInfo.m_aCommand;
    rtl::OString aShellCommand  = OUStringToOString (rCommand, RTL_TEXTENCODING_ISO_8859_1);
    aShellCommand += rtl::OString( " 2>/dev/null" );

    return popen (aShellCommand.getStr(), "w");
}

int PrinterInfoManager::endSpool( const OUString& /*rPrintername*/, const OUString& /*rJobTitle*/, FILE* pFile, const JobData& /*rDocumentJobData*/, bool /*bBanner*/ )
{
    return (0 == pclose( pFile ));
}

void PrinterInfoManager::setupJobContextData( JobData& rData )
{
    std::hash_map< OUString, Printer, OUStringHash >::iterator it =
    m_aPrinters.find( rData.m_aPrinterName );
    if( it != m_aPrinters.end() )
    {
        rData.m_pParser     = it->second.m_aInfo.m_pParser;
        rData.m_aContext    = it->second.m_aInfo.m_aContext;
    }
}

void PrinterInfoManager::setDefaultPaper( PPDContext& rContext ) const
{
    if(  ! rContext.getParser() )
        return;

    const PPDKey* pPageSizeKey = rContext.getParser()->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "PageSize" ) ) );
    if( ! pPageSizeKey )
        return;

    int nModified = rContext.countValuesModified();
    while( nModified-- &&
        rContext.getModifiedKey( nModified ) != pPageSizeKey )
    ;

    if( nModified >= 0 ) // paper was set already, do not modify
    {
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "not setting default paper, already set %s\n",
        OUStringToOString( rContext.getValue( pPageSizeKey )->m_aOption, RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
        #endif
        return;
    }

    // paper not set, fill in default value
    const PPDValue* pPaperVal = NULL;
    int nValues = pPageSizeKey->countValues();
    for( int i = 0; i < nValues && ! pPaperVal; i++ )
    {
        const PPDValue* pVal = pPageSizeKey->getValue( i );
        if( pVal->m_aOption.EqualsIgnoreCaseAscii( m_aSystemDefaultPaper.getStr() ) )
            pPaperVal = pVal;
    }
    if( pPaperVal )
    {
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "setting default paper %s\n", OUStringToOString( pPaperVal->m_aOption, RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
        #endif
        rContext.setValue( pPageSizeKey, pPaperVal );
        #if OSL_DEBUG_LEVEL > 1
        pPaperVal = rContext.getValue( pPageSizeKey );
        fprintf( stderr, "-> got paper %s\n", OUStringToOString( pPaperVal->m_aOption, RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
        #endif
    }
}

// -----------------------------------------------------------------

SystemQueueInfo::SystemQueueInfo() :
    m_bChanged( false )
{
    create();
}

SystemQueueInfo::~SystemQueueInfo()
{
    static const char* pNoSyncDetection = getenv( "SAL_DISABLE_SYNCHRONOUS_PRINTER_DETECTION" );
    if( ! pNoSyncDetection || !*pNoSyncDetection )
        join();
    else
        terminate();
}

bool SystemQueueInfo::hasChanged() const
{
    MutexGuard aGuard( m_aMutex );
    bool bChanged = m_bChanged;
    return bChanged;
}

void SystemQueueInfo::getSystemQueues( std::list< PrinterInfoManager::SystemPrintQueue >& rQueues )
{
    MutexGuard aGuard( m_aMutex );
    rQueues = m_aQueues;
    m_bChanged = false;
}

OUString SystemQueueInfo::getCommand() const
{
    MutexGuard aGuard( m_aMutex );
    OUString aRet = m_aCommand;
    return aRet;
}

struct SystemCommandParameters;
typedef void(* tokenHandler)(const std::list< rtl::OString >&,
                std::list< PrinterInfoManager::SystemPrintQueue >&,
                const SystemCommandParameters*);

struct SystemCommandParameters
{
    const char*     pQueueCommand;
    const char*     pPrintCommand;
    const char*     pForeToken;
    const char*     pAftToken;
    unsigned int    nForeTokenCount;
    tokenHandler    pHandler;
};

#if ! (defined(LINUX) || defined(NETBSD) || defined(FREEBSD))
static void lpgetSysQueueTokenHandler(
    const std::list< rtl::OString >& i_rLines,
    std::list< PrinterInfoManager::SystemPrintQueue >& o_rQueues,
    const SystemCommandParameters* )
{
    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
    std::hash_set< OUString, OUStringHash > aUniqueSet;
    std::hash_set< OUString, OUStringHash > aOnlySet;
    aUniqueSet.insert( OUString( RTL_CONSTASCII_USTRINGPARAM( "_all" ) ) );
    aUniqueSet.insert( OUString( RTL_CONSTASCII_USTRINGPARAM( "_default" ) ) );

    // the eventual "all" attribute of the "_all" queue tells us, which
    // printers are to be used for this user at all

    // find _all: line
    rtl::OString aAllLine( "_all:" );
    rtl::OString aAllAttr( "all=" );
    for( std::list< rtl::OString >::const_iterator it = i_rLines.begin();
         it != i_rLines.end(); ++it )
    {
        if( it->indexOf( aAllLine, 0 ) == 0 )
        {
            // now find the "all" attribute
            ++it;
            while( it != i_rLines.end() )
            {
                rtl::OString aClean( WhitespaceToSpace( *it ) );
                if( aClean.indexOf( aAllAttr, 0 ) == 0 )
                {
                    // insert the comma separated entries into the set of printers to use
                    sal_Int32 nPos = aAllAttr.getLength();
                    while( nPos != -1 )
                    {
                        OString aTok( aClean.getToken( 0, ',', nPos ) );
                        if( aTok.getLength() > 0 )
                            aOnlySet.insert( rtl::OStringToOUString( aTok, aEncoding ) );
                    }
                    break;
                }
            }
            break;
        }
    }

    bool bInsertAttribute = false;
    rtl::OString aDescrStr( "description=" );
    rtl::OString aLocStr( "location=" );
    for( std::list< rtl::OString >::const_iterator it = i_rLines.begin();
         it != i_rLines.end(); ++it )
    {
        sal_Int32 nPos = 0;
        // find the begin of a new printer section
        nPos = it->indexOf( ':', 0 );
        if( nPos != -1 )
        {
            OUString aSysQueue( rtl::OStringToOUString( it->copy( 0, nPos ), aEncoding ) );
            // do not insert duplicates (e.g. lpstat tends to produce such lines)
            // in case there was a "_all" section, insert only those printer explicitly
            // set in the "all" attribute
            if( aUniqueSet.find( aSysQueue ) == aUniqueSet.end() &&
                ( aOnlySet.empty() || aOnlySet.find( aSysQueue ) != aOnlySet.end() )
                )
            {
                o_rQueues.push_back( PrinterInfoManager::SystemPrintQueue() );
                o_rQueues.back().m_aQueue = aSysQueue;
                o_rQueues.back().m_aLocation = aSysQueue;
                aUniqueSet.insert( aSysQueue );
                bInsertAttribute = true;
            }
            else
                bInsertAttribute = false;
            continue;
        }
        if( bInsertAttribute && ! o_rQueues.empty() )
        {
            // look for "description" attribute, insert as comment
            nPos = it->indexOf( aDescrStr, 0 );
            if( nPos != -1 )
            {
                ByteString aComment( WhitespaceToSpace( it->copy(nPos+12) ) );
                if( aComment.Len() > 0 )
                    o_rQueues.back().m_aComment = String( aComment, aEncoding );
                continue;
            }
            // look for "location" attribute, inser as location
            nPos = it->indexOf( aLocStr, 0 );
            if( nPos != -1 )
            {
                ByteString aLoc( WhitespaceToSpace( it->copy(nPos+9) ) );
                if( aLoc.Len() > 0 )
                    o_rQueues.back().m_aLocation = String( aLoc, aEncoding );
                continue;
            }
        }
    }
}
#endif
static void standardSysQueueTokenHandler(
    const std::list< rtl::OString >& i_rLines,
    std::list< PrinterInfoManager::SystemPrintQueue >& o_rQueues,
    const SystemCommandParameters* i_pParms)
{
    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
    std::hash_set< OUString, OUStringHash > aUniqueSet;
    rtl::OString aForeToken( i_pParms->pForeToken );
    rtl::OString aAftToken( i_pParms->pAftToken );
    /* Normal Unix print queue discovery, also used for Darwin 5 LPR printing
    */
    for( std::list< rtl::OString >::const_iterator it = i_rLines.begin();
         it != i_rLines.end(); ++it )
    {
        sal_Int32 nPos = 0;

        // search for a line describing a printer:
        // find if there are enough tokens before the name
        for( unsigned int i = 0; i < i_pParms->nForeTokenCount && nPos != -1; i++ )
        {
            nPos = it->indexOf( aForeToken, nPos );
            if( nPos != -1 && it->getLength() >= nPos+aForeToken.getLength() )
                nPos += aForeToken.getLength();
        }
        if( nPos != -1 )
        {
            // find if there is the token after the queue
            sal_Int32 nAftPos = it->indexOf( aAftToken, nPos );
            if( nAftPos != -1 )
            {
                // get the queue name between fore and aft tokens
                OUString aSysQueue( rtl::OStringToOUString( it->copy( nPos, nAftPos - nPos ), aEncoding ) );
                // do not insert duplicates (e.g. lpstat tends to produce such lines)
                if( aUniqueSet.find( aSysQueue ) == aUniqueSet.end() )
                {
                    o_rQueues.push_back( PrinterInfoManager::SystemPrintQueue() );
                    o_rQueues.back().m_aQueue = aSysQueue;
                    o_rQueues.back().m_aLocation = aSysQueue;
                    aUniqueSet.insert( aSysQueue );
                }
            }
        }
    }
}

static const struct SystemCommandParameters aParms[] =
{
    #if defined(LINUX) || defined(NETBSD) || defined(FREEBSD)
    { "/usr/sbin/lpc status", "lpr -P \"(PRINTER)\"", "", ":", 0, standardSysQueueTokenHandler },
    { "lpc status", "lpr -P \"(PRINTER)\"", "", ":", 0, standardSysQueueTokenHandler },
    { "LANG=C;LC_ALL=C;export LANG LC_ALL;lpstat -s", "lp -d \"(PRINTER)\"", "system for ", ": ", 1, standardSysQueueTokenHandler }
    #else
    { "LANG=C;LC_ALL=C;export LANG LC_ALL;lpget list", "lp -d \"(PRINTER)\"", "", ":", 0, lpgetSysQueueTokenHandler },
    { "LANG=C;LC_ALL=C;export LANG LC_ALL;lpstat -s", "lp -d \"(PRINTER)\"", "system for ", ": ", 1, standardSysQueueTokenHandler },
    { "/usr/sbin/lpc status", "lpr -P \"(PRINTER)\"", "", ":", 0, standardSysQueueTokenHandler },
    { "lpc status", "lpr -P \"(PRINTER)\"", "", ":", 0, standardSysQueueTokenHandler }
    #endif
};

void SystemQueueInfo::run()
{
    char pBuffer[1024];
    FILE *pPipe;
    std::list< rtl::OString > aLines;

    /* Discover which command we can use to get a list of all printer queues */
    for( unsigned int i = 0; i < sizeof(aParms)/sizeof(aParms[0]); i++ )
    {
        aLines.clear();
        rtl::OStringBuffer aCmdLine( 128 );
        aCmdLine.append( aParms[i].pQueueCommand );
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "trying print queue command \"%s\" ... ", aParms[i].pQueueCommand );
        #endif
        aCmdLine.append( " 2>/dev/null" );
        if( (pPipe = popen( aCmdLine.getStr(), "r" )) )
        {
            while( fgets( pBuffer, 1024, pPipe ) )
                aLines.push_back( rtl::OString( pBuffer ) );
            if( ! pclose( pPipe ) )
            {
                std::list< PrinterInfoManager::SystemPrintQueue > aSysPrintQueues;
                aParms[i].pHandler( aLines, aSysPrintQueues, &(aParms[i]) );
                MutexGuard aGuard( m_aMutex );
                m_bChanged  = true;
                m_aQueues   = aSysPrintQueues;
                m_aCommand  = rtl::OUString::createFromAscii( aParms[i].pPrintCommand );
                #if OSL_DEBUG_LEVEL > 1
                fprintf( stderr, "success\n" );
                #endif
                break;
            }
        }
        #if OSL_DEBUG_LEVEL > 1
        fprintf( stderr, "failed\n" );
        #endif
    }
}