summaryrefslogtreecommitdiff
path: root/Master/bin/i386-freebsd/texmfstart
blob: 4d1e2976145946875dc4321c73f2fe66aeba8e95 (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
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
#!/usr/bin/env ruby

# program   : texmfstart
# copyright : PRAGMA Advanced Document Engineering
# version   : 1.9.0 - 2003/2006
# author    : Hans Hagen
#
# project   : ConTeXt / eXaMpLe
# info      : j.hagen@xs4all.nl
# www       : www.pragma-pod.com / www.pragma-ade.com

# no special requirements, i.e. no exa modules/classes used

# texmfstart [switches] filename [optional arguments]
#
# ruby2exe texmfstart --help -> avoids stub test
#
# Of couse I can make this into a nice class, which i'll undoubtely will
# do when I feel the need. In that case it will be part of a bigger game.

# turning this into a service would be nice, so some day ...

# --locate        => provides location
# --exec          => exec instead of system
# --iftouched=a,b => only if timestamp a<>b
# --ifchanged=a,b => only if checksum changed
#
# file: path: bin:

# texmfstart --exec bin:scite *.tex

# we don't depend on other libs

$: << File.expand_path(File.dirname($0)) ; $: << File.join($:.last,'lib') ; $:.uniq!

require "rbconfig"
require "md5"

# kpse_merge_done: require 'base/kpseremote'
# kpse_merge_done: require 'base/kpsedirect'
# kpse_merge_done: require 'base/kpsefast'
# kpse_merge_done: require 'base/merge'

# kpse_merge_start

# kpse_merge_file: 'C:/data/develop/context/ruby/base/kpseremote.rb'

# kpse_merge_done: require 'base/kpsefast'

case ENV['KPSEMETHOD']
    when /soap/o then # kpse_merge_done: require 'base/kpse/soap'
    when /drb/o  then # kpse_merge_done: require 'base/kpse/drb'
    else              # kpse_merge_done: require 'base/kpse/drb'
end

class KpseRemote

    @@port   = ENV['KPSEPORT']   || 7000
    @@method = ENV['KPSEMETHOD'] || 'drb'

    def KpseRemote::available?
        @@method && @@port
    end

    def KpseRemote::start_server(port=nil)
        kpse = KpseServer.new(port || @@port)
        kpse.start
    end

    def KpseRemote::start_client(port=nil) # keeps object in server
        kpseclient = KpseClient.new(port || @@port)
        kpseclient.start
        kpse = kpseclient.object
        tree = kpse.choose(KpseUtil::identify, KpseUtil::environment)
        [kpse, tree]
    end

    def KpseRemote::fetch(port=nil) # no need for defining methods but slower, send whole object
        kpseclient = KpseClient.new(port || @@port)
        kpseclient.start
        kpseclient.object.fetch(KpseUtil::identify, KpseUtil::environment) rescue nil
    end

    def initialize(port=nil)
        if KpseRemote::available? then
            begin
                @kpse, @tree = KpseRemote::start_client(port)
            rescue
                @kpse, @tree = nil, nil
            end
        else
            @kpse, @tree = nil, nil
        end
    end

    def progname=(value)
        @kpse.set(@tree,'progname',value)
    end
    def format=(value)
        @kpse.set(@tree,'format',value)
    end
    def engine=(value)
        @kpse.set(@tree,'engine',value)
    end

    def progname
        @kpse.get(@tree,'progname')
    end
    def format
        @kpse.get(@tree,'format')
    end
    def engine
        @kpse.get(@tree,'engine')
    end

    def load
        @kpse.load(KpseUtil::identify, KpseUtil::environment)
    end
    def okay?
        @kpse && @tree
    end
    def set(key,value)
        @kpse.set(@tree,key,value)
    end
    def load_cnf
        @kpse.load_cnf(@tree)
    end
    def load_lsr
        @kpse.load_lsr(@tree)
    end
    def expand_variables
        @kpse.expand_variables(@tree)
    end
    def expand_braces(str)
        clean_name(@kpse.expand_braces(@tree,str))
    end
    def expand_path(str)
        clean_name(@kpse.expand_path(@tree,str))
    end
    def expand_var(str)
        clean_name(@kpse.expand_var(@tree,str))
    end
    def show_path(str)
        clean_name(@kpse.show_path(@tree,str))
    end
    def var_value(str)
        clean_name(@kpse.var_value(@tree,str))
    end
    def find_file(filename)
        clean_name(@kpse.find_file(@tree,filename))
    end
    def find_files(filename,first=false)
        # dodo: each filename
        @kpse.find_files(@tree,filename,first)
    end

    private

    def clean_name(str)
        str.gsub(/\\/,'/')
    end

end


# kpse_merge_file: 'C:/data/develop/context/ruby/base/kpsefast.rb'

# module    : base/kpsefast
# copyright : PRAGMA Advanced Document Engineering
# version   : 2005
# author    : Hans Hagen
#
# project   : ConTeXt / eXaMpLe
# concept   : Hans Hagen
# info      : j.hagen@xs4all.nl

# todo: multiple cnf files
#

class String

    def split_path
        if self =~ /\;/o || self =~ /^[a-z]\:/io then
            self.split(";")
        else
            self.split(":")
        end
    end

end

class Array

    def join_path
        self.join(File::PATH_SEPARATOR)
    end

end

class File

    def File.locate_file(path,name)
        begin
            files = Dir.entries(path)
            if files.include?(name) then
                fullname = File.join(path,name)
                return fullname if FileTest.file?(fullname)
            end
            files.each do |p|
                fullname = File.join(path,p)
                if p != '.' and p != '..' and FileTest.directory?(fullname) and result = locate_file(fullname,name) then
                    return result
                end
            end
        rescue
            # bad path
        end
        return nil
    end

    def File.glob_file(pattern)
        return Dir.glob(pattern).first
    end

end

module KpseUtil

    # to be adapted, see loading cnf file

    @@texmftrees = ['texmf-local','texmf.local','../..','texmf'] # '../..' is for gwtex
    @@texmfcnf   = 'texmf.cnf'

    def KpseUtil::identify
        # we mainly need to identify the local tex stuff and wse assume that
        # the texmfcnf variable is set; otherwise we need to expand the
        # TEXMF variable and that takes time since it may involve more
        ownpath = File.expand_path($0)
        if ownpath.gsub!(/texmf.*?$/o, '') then
            ENV['SELFAUTOPARENT'] = ownpath
        else
            ENV['SELFAUTOPARENT'] = '.' # fall back
            # may be too tricky:
            #
            # (ENV['PATH'] ||'').split_path.each do |p|
                # if p.gsub!(/texmf.*?$/o, '') then
                    # ENV['SELFAUTOPARENT'] = p
                    # break
                # end
            # end
        end
        filenames = Array.new
        if ENV['TEXMFCNF'] && ! ENV['TEXMFCNF'].empty? then
            ENV['TEXMFCNF'].to_s.split_path.each do |path|
                filenames << File.join(path,@@texmfcnf)
            end
        elsif ENV['SELFAUTOPARENT'] == '.' then
            filenames << File.join('.',@@texmfcnf)
        else
            @@texmftrees.each do |tree|
                filenames << File.join(ENV['SELFAUTOPARENT'],tree,'web2c',@@texmfcnf)
            end
        end
        loop do
            busy = false
            filenames.collect! do |f|
                f.gsub(/\$([a-zA-Z0-9\_\-]+)/o) do
                    if (! ENV[$1]) || (ENV[$1] == $1) then
                        "$#{$1}"
                    else
                        busy = true
                        ENV[$1]
                    end
                end
            end
            break unless busy
        end
        filenames.delete_if do |f|
            ! FileTest.file?(f)
        end
        return filenames
    end

    def KpseUtil::environment
        Hash.new.merge(ENV)
    end

end

class KpseFast

    # formats are an incredible inconsistent mess

    @@suffixes  = Hash.new
    @@formats   = Hash.new
    @@suffixmap = Hash.new

    @@texmfcnf  = 'texmf.cnf'

    @@suffixes['gf']                       = ['.<resolution>gf'] # todo
    @@suffixes['pk']                       = ['.<resolution>pk'] # todo
    @@suffixes['tfm']                      = ['.tfm']
    @@suffixes['afm']                      = ['.afm']
    @@suffixes['base']                     = ['.base']
    @@suffixes['bib']                      = ['.bib']
    @@suffixes['bst']                      = ['.bst']
    @@suffixes['cnf']                      = ['.cnf']
    @@suffixes['ls-R']                     = ['ls-R', 'ls-r']
    @@suffixes['fmt']                      = ['.fmt', '.efmt', '.efm', '.ofmt', '.ofm', '.oft', '.eofmt', '.eoft', '.eof', '.pfmt', '.pfm', '.epfmt', '.epf', '.xpfmt', '.xpf', '.afmt', '.afm']
    @@suffixes['map']                      = ['.map']
    @@suffixes['mem']                      = ['.mem']
    @@suffixes['mf']                       = ['.mf']
    @@suffixes['mfpool']                   = ['.pool']
    @@suffixes['mft']                      = ['.mft']
    @@suffixes['mp']                       = ['.mp']
    @@suffixes['mppool']                   = ['.pool']
    @@suffixes['ocp']                      = ['.ocp']
    @@suffixes['ofm']                      = ['.ofm', '.tfm']
    @@suffixes['opl']                      = ['.opl']
    @@suffixes['otp']                      = ['.otp']
    @@suffixes['ovf']                      = ['.ovf']
    @@suffixes['ovp']                      = ['.ovp']
    @@suffixes['graphic/figure']           = ['.eps', '.epsi']
    @@suffixes['tex']                      = ['.tex']
    @@suffixes['texpool']                  = ['.pool']
    @@suffixes['PostScript header']        = ['.pro']
    @@suffixes['type1 fonts']              = ['.pfa', '.pfb']
    @@suffixes['vf']                       = ['.vf']
    @@suffixes['ist']                      = ['.ist']
    @@suffixes['truetype fonts']           = ['.ttf', '.ttc']
    @@suffixes['web']                      = ['.web', '.ch']
    @@suffixes['cweb']                     = ['.w', '.web', '.ch']
    @@suffixes['enc files']                = ['.enc']
    @@suffixes['cmap files']               = ['.cmap']
    @@suffixes['subfont definition files'] = ['.sfd']
    @@suffixes['lig files']                = ['.lig']
    @@suffixes['bitmap font']              = []
    @@suffixes['MetaPost support']         = []
    @@suffixes['TeX system documentation'] = []
    @@suffixes['TeX system sources']       = []
    @@suffixes['Troff fonts']              = []
    @@suffixes['dvips config']             = []
    @@suffixes['type42 fonts']             = []
    @@suffixes['web2c files']              = []
    @@suffixes['other text files']         = []
    @@suffixes['other binary files']       = []
    @@suffixes['misc fonts']               = []
    @@suffixes['opentype fonts']           = []
    @@suffixes['pdftex config']            = []
    @@suffixes['texmfscripts']             = []

    # replacements

    @@suffixes['fmt']                      = ['.fmt']
    @@suffixes['type1 fonts']              = ['.pfa', '.pfb', '.pfm']
    @@suffixes['tex']                      = ['.tex', '.xml']
    @@suffixes['texmfscripts']             = ['rb','lua','py','pl']

    @@suffixes.keys.each do |k| @@suffixes[k].each do |s| @@suffixmap[s] = k end end

    # TTF2TFMINPUTS
    # MISCFONTS
    # TEXCONFIG
    # DVIPDFMINPUTS
    # OTFFONTS

    @@formats['gf']                       = ''
    @@formats['pk']                       = ''
    @@formats['tfm']                      = 'TFMFONTS'
    @@formats['afm']                      = 'AFMFONTS'
    @@formats['base']                     = 'MFBASES'
    @@formats['bib']                      = ''
    @@formats['bst']                      = ''
    @@formats['cnf']                      = ''
    @@formats['ls-R']                     = ''
    @@formats['fmt']                      = 'TEXFORMATS'
    @@formats['map']                      = 'TEXFONTMAPS'
    @@formats['mem']                      = 'MPMEMS'
    @@formats['mf']                       = 'MFINPUTS'
    @@formats['mfpool']                   = 'MFPOOL'
    @@formats['mft']                      = ''
    @@formats['mp']                       = 'MPINPUTS'
    @@formats['mppool']                   = 'MPPOOL'
    @@formats['ocp']                      = 'OCPINPUTS'
    @@formats['ofm']                      = 'OFMFONTS'
    @@formats['opl']                      = 'OPLFONTS'
    @@formats['otp']                      = 'OTPINPUTS'
    @@formats['ovf']                      = 'OVFFONTS'
    @@formats['ovp']                      = 'OVPFONTS'
    @@formats['graphic/figure']           = ''
    @@formats['tex']                      = 'TEXINPUTS'
    @@formats['texpool']                  = 'TEXPOOL'
    @@formats['PostScript header']        = 'TEXPSHEADERS'
    @@formats['type1 fonts']              = 'T1FONTS'
    @@formats['vf']                       = 'VFFONTS'
    @@formats['ist']                      = ''
    @@formats['truetype fonts']           = 'TTFONTS'
    @@formats['web']                      = ''
    @@formats['cweb']                     = ''
    @@formats['enc files']                = 'ENCFONTS'
    @@formats['cmap files']               = 'CMAPFONTS'
    @@formats['subfont definition files'] = 'SFDFONTS'
    @@formats['lig files']                = 'LIGFONTS'
    @@formats['bitmap font']              = ''
    @@formats['MetaPost support']         = ''
    @@formats['TeX system documentation'] = ''
    @@formats['TeX system sources']       = ''
    @@formats['Troff fonts']              = ''
    @@formats['dvips config']             = ''
    @@formats['type42 fonts']             = 'T42FONTS'
    @@formats['web2c files']              = 'WEB2C'
    @@formats['other text files']         = ''
    @@formats['other binary files']       = ''
    @@formats['misc fonts']               = ''
    @@formats['opentype fonts']           = 'OPENTYPEFONTS'
    @@formats['pdftex config']            = 'PDFTEXCONFIG'
    @@formats['texmfscripts']             = 'TEXMFSCRIPTS'

    attr_accessor :progname, :engine, :format, :rootpath, :treepath,
        :verbose, :remember, :scandisk, :diskcache, :renewcache

    @@cacheversion = '1'

    def initialize
        @rootpath    = ''
        @treepath    = ''
        @progname    = 'kpsewhich'
        @engine      = 'pdftex'
        @variables   = Hash.new
        @expansions  = Hash.new
        @files       = Hash.new
        @found       = Hash.new
        @kpsevars    = Hash.new
        @lsrfiles    = Array.new
        @cnffiles    = Array.new
        @verbose     = true
        @remember    = true
        @scandisk    = true
        @diskcache   = true
        @renewcache  = false
        @isolate     = false

        @diskcache   = false
        @cachepath   = nil
        @cachefile   = 'tmftools.log'

        @environment = ENV
    end

    def set(key,value)
        case key
            when 'progname' then @progname = value
            when 'engine'   then @engine   = value
            when 'format'   then @format   = value
        end
    end

    def push_environment(env)
        @environment = env
    end

    # {$SELFAUTOLOC,$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,}/web2c}
    #
    # $SELFAUTOLOC    : /usr/tex/bin/platform
    # $SELFAUTODIR    : /usr/tex/bin
    # $SELFAUTOPARENT : /usr/tex
    #
    # since we live in scriptpath we need a slightly different method

    def load_cnf(filenames=nil)
        unless filenames then
            ownpath = File.expand_path($0)
            if ownpath.gsub!(/texmf.*?$/o, '') then
                @environment['SELFAUTOPARENT'] = ownpath
            else
                @environment['SELFAUTOPARENT'] = '.'
            end
            unless @treepath.empty? then
                unless @rootpath.empty? then
                    @treepath = @treepath.split(',').collect do |p| File.join(@rootpath,p) end.join(',')
                end
                @environment['TEXMF'] = @treepath
                # only the first one
                @environment['TEXMFCNF'] = File.join(@treepath.split(',').first,'texmf/web2c')
            end
            unless @rootpath.empty? then
                @environment['TEXMFCNF'] = File.join(@rootpath,'texmf/web2c')
                @environment['SELFAUTOPARENT'] = @rootpath
                @isolate = true
            end
            filenames = Array.new
            if @environment['TEXMFCNF'] and not @environment['TEXMFCNF'].empty? then
                @environment['TEXMFCNF'].to_s.split_path.each do |path|
                    filenames << File.join(path,@@texmfcnf)
                end
            elsif @environment['SELFAUTOPARENT'] == '.' then
                filenames << File.join('.',@@texmfcnf)
            else
                ['texmf-local','texmf'].each do |tree|
                    filenames << File.join(@environment['SELFAUTOPARENT'],tree,'web2c',@@texmfcnf)
                end
            end
        end
        # <root>/texmf/web2c/texmf.cnf
        filenames = _expanded_path_(filenames)
        @rootpath = filenames.first
        3.times do
            @rootpath = File.dirname(@rootpath)
        end
        filenames.collect! do |f|
            f.gsub("\\", '/')
        end
        filenames.each do |fname|
            if FileTest.file?(fname) and f = File.open(fname) then
                @cnffiles << fname
                while line = f.gets do
                    loop do
                        # concatenate lines ending with \
                        break unless line.sub!(/\\\s*$/o) do
                            f.gets || ''
                        end
                    end
                    case line
                        when /^[\%\#]/o then
                            # comment
                        when /^\s*(.*?)\s*\=\s*(.*?)\s*$/o then
                            key, value = $1, $2
                            unless @variables.key?(key) then
                                value.sub!(/\%.*$/,'')
                                value.sub!(/\~/, "$HOME")
                                @variables[key] = value
                            end
                            @kpsevars[key] = true
                    end
                end
                f.close
            end
        end
    end

    def load_lsr
        @lsrfiles = []
        simplified_list(expansion('TEXMF')).each do |p|
            ['ls-R','ls-r'].each do |f|
                filename = File.join(p,f)
                if FileTest.file?(filename) then
                    @lsrfiles << [filename,File.size(filename)]
                    break
                end
            end
        end
        @files = Hash.new
        if @diskcache then
            ['HOME','TEMP','TMP','TMPDIR'].each do |key|
                if @environment[key] then
                    if FileTest.directory?(@environment[key]) then
                        @cachepath = @environment[key]
                        @cachefile = [@rootpath.gsub(/[^A-Z0-9]/io, '-').gsub(/\-+/,'-'),File.basename(@cachefile)].join('-')
                        break
                    end
                end
            end
            if @cachepath and not @renewcache and FileTest.file?(File.join(@cachepath,@cachefile)) then
                begin
                    if f = File.open(File.join(@cachepath,@cachefile)) then
                        cacheversion = Marshal.load(f)
                        if cacheversion == @@cacheversion then
                            lsrfiles = Marshal.load(f)
                            if lsrfiles == @lsrfiles then
                                @files = Marshal.load(f)
                            end
                        end
                        f.close
                    end
                rescue
                   @files = Hash.new
               end
            end
        end
        return if @files.size > 0
        @lsrfiles.each do |filedata|
            filename, filesize = filedata
            filepath = File.dirname(filename)
            begin
                path = '.'
                data = IO.readlines(filename)
                if data[0].chomp =~ /% ls\-R \-\- filename database for kpathsea\; do not change this line\./io then
                    data.each do |line|
                        case line
                            when /^[a-zA-Z0-9]/o then
                                line.chomp!
                                if @files[line] then
                                    @files[line] << path
                                else
                                    @files[line] = [path]
                                end
                            when /^\.\/(.*?)\:$/o then
                                path = File.join(filepath,$1)
                        end
                    end
                end
            rescue
                # sorry
            end
        end
        if @diskcache and @cachepath and f = File.open(File.join(@cachepath,@cachefile),'wb') then
            f << Marshal.dump(@@cacheversion)
            f << Marshal.dump(@lsrfiles)
            f << Marshal.dump(@files)
            f.close
        end
    end

    def expand_variables
        @expansions = Hash.new
        if @isolate then
            @variables['TEXMFCNF'] = @environment['TEXMFCNF'].dup
            @variables['SELFAUTOPARENT'] = @environment['SELFAUTOPARENT'].dup
        else
            @environment.keys.each do |e|
                if e =~ /^([a-zA-Z]+)\_(.*)\s*$/o then
                    @expansions["#{$1}.#{$2}"] = (@environment[e] ||'').dup
                else
                    @expansions[e] = (@environment[e] ||'').dup
                end
            end
        end
        @variables.keys.each do |k|
            @expansions[k] = @variables[k].dup unless @expansions[k]
        end
        loop do
            busy = false
            @expansions.keys.each do |k|
                @expansions[k].gsub!(/\$([a-zA-Z0-9\_\-]*)/o) do
                    busy = true
                    @expansions[$1] || ''
                end
                @expansions[k].gsub!(/\$\{([a-zA-Z0-9\_\-]*)\}/o) do
                    busy = true
                    @expansions[$1] || ''
                end
            end
            break unless busy
        end
        @expansions.keys.each do |k|
            @expansions[k] = @expansions[k].gsub("\\", '/')
        end
    end

    def variable(name='')
        (name and not name.empty? and @variables[name.sub('$','')]) or  ''
    end

    def expansion(name='')
        (name and not name.empty? and @expansions[name.sub('$','')]) or ''
    end

    def variable?(name='')
        name and not name.empty? and @variables.key?(name.sub('$',''))
    end

    def expansion?(name='')
        name and not name.empty? and @expansions.key?(name.sub('$',''))
    end

    def simplified_list(str)
        lst = str.gsub(/^\{/o,'').gsub(/\}$/o,'').split(",")
        lst.collect do |l|
            l.sub(/^[\!]*/,'').sub(/[\/\\]*$/o,'')
        end
    end

    def original_variable(variable)
        if variable?("#{@progname}.#{variable}") then
            variable("#{@progname}.#{variable}")
        elsif variable?(variable) then
            variable(variable)
        else
            ''
        end
    end

    def expanded_variable(variable)
        if expansion?("#{variable}.#{@progname}") then
            expansion("#{variable}.#{@progname}")
        elsif expansion?(variable) then
            expansion(variable)
        else
            ''
        end
    end

    def original_path(filename='')
        _expanded_path_(original_variable(var_of_format_or_suffix(filename)).split(";"))
    end

    def expanded_path(filename='')
        _expanded_path_(expanded_variable(var_of_format_or_suffix(filename)).split(";"))
    end

    def _expanded_path_(pathlist)
        i, n = 0, 0
        pathlist.collect! do |mainpath|
            mainpath.gsub(/([\{\}])/o) do
                if $1 == "{" then
                    i += 1 ; n = i if i > n ; "<#{i}>"
                else
                    i -= 1 ; "</#{i+1}>"
                end
            end
        end
        n.times do |i|
            loop do
                more = false
                newlist = []
                pathlist.each do |path|
                    unless path.sub!(/^(.*?)<(#{n-i})>(.*?)<\/\2>(.*?)$/) do
                        pre, mid, post = $1, $3, $4
                        mid.gsub!(/\,$/,',.')
                        mid.split(',').each do |m|
                            more = true
                            if m == '.' then
                                newlist << "#{pre}#{post}"
                            else
                                newlist << "#{pre}#{m}#{post}"
                            end
                        end
                    end then
                        newlist << path
                    end
                end
                if more then
                    pathlist = [newlist].flatten # copy -)
                else
                    break
                end
            end
        end
        pathlist = pathlist.uniq.collect do |path|
            p = path
            # p.gsub(/^\/+/o) do '' end
            # p.gsub!(/(.)\/\/(.)/o) do "#{$1}/#{$2}" end
            # p.gsub!(/\/\/+$/o) do '//' end
            p.gsub!(/\/\/+/o) do '//' end
            p
        end
        pathlist
    end

    # todo: ignore case

    def var_of_format(str)
        @@formats[str] || ''
    end

    def var_of_suffix(str) # includes .
        if @@suffixmap.key?(str) then @@formats[@@suffixmap[str]] else '' end
    end

    def var_of_format_or_suffix(str)
        if @@formats.key?(str) then
            @@formats[str]
        elsif @@suffixmap.key?(File.extname(str)) then # extname includes .
            @@formats[@@suffixmap[File.extname(str)]]  # extname includes .
        else
            ''
        end
    end

end

class KpseFast

    # test things

    def list_variables(kpseonly=true)
        @variables.keys.sort.each do |k|
            if kpseonly then
                puts("#{k} = #{@variables[k]}") if @kpsevars[k]
            else
                puts("#{if @kpsevars[k] then 'K' else 'E' end} #{k} = #{@variables[k]}")
            end
        end
    end

    def list_expansions(kpseonly=true)
        @expansions.keys.sort.each do |k|
            if kpseonly then
                puts("#{k} = #{@expansions[k]}") if @kpsevars[k]
            else
                puts("#{if @kpsevars[k] then 'K' else 'E' end} #{k} = #{@expansions[k]}")
            end
        end
    end

    def list_lsr
        puts("files = #{@files.size}")
    end

    def set_test_patterns
        @variables["KPSE_TEST_PATTERN_A"] = "foo/{1,2}/bar//"
        @variables["KPSE_TEST_PATTERN_B"] = "!!x{A,B{1,2}}y"
        @variables["KPSE_TEST_PATTERN_C"] = "x{A,B//{1,2}}y"
        @variables["KPSE_TEST_PATTERN_D"] = "x{A,B//{1,2,}}//y"
    end

    def show_test_patterns
        ['A','B','D'].each do |i|
            puts ""
            puts @variables ["KPSE_TEST_PATTERN_#{i}"]
            puts ""
            puts expand_path("KPSE_TEST_PATTERN_#{i}").split_path
            puts ""
        end
    end

end

class KpseFast

    # kpse stuff

    def expand_braces(str) # output variable and brace expansion of STRING.
        _expanded_path_(original_variable(str).split_path).join_path
    end

    def expand_path(str)   # output complete path expansion of STRING.
        _expanded_path_(expanded_variable(str).split_path).join_path
    end

    def expand_var(str)    # output variable expansion of STRING.
        expanded_variable(str)
    end

    def show_path(str)     # output search path for file type NAME
        expanded_path(str).join_path
    end

    def var_value(str)     # output the value of variable $STRING.
        original_variable(str)
    end

end

class KpseFast

    def _is_cnf_?(filename)
        filename == File.basename((@cnffiles.first rescue @@texmfcnf) || @@texmfcnf)
    end

    def find_file(filename)
        if _is_cnf_?(filename) then
            @cnffiles.first rescue ''
        else
            [find_files(filename,true)].flatten.first || ''
        end
    end

    def find_files(filename,first=false)
        if _is_cnf_?(filename) then
            result = @cnffiles.dup
        else
            if @remember then
                # stamp = "#{filename}--#{@format}--#{@engine}--#{@progname}"
                stamp = "#{filename}--#{@engine}--#{@progname}"
                return @found[stamp] if @found.key?(stamp)
            end
            pathlist = expanded_path(filename)
            result = []
            filelist = if @files.key?(filename) then @files[filename].uniq else nil end
            done = false
            if pathlist.size == 0 then
                if FileTest.file?(filename) then
                    done = true
                    result << '.'
                end
            else
                pathlist.each do |path|
                    doscan = if path =~ /^\!\!/o then false else true end
                    recurse = if path =~ /\/\/$/o then true else false end
                    pathname = path.dup
                    pathname.gsub!(/^\!+/o, '')
                    done = false
                    if not done and filelist then
                        # checking for exact match
                        if filelist.include?(pathname) then
                            result << pathname
                            done = true
                        end
                        if not done and recurse then
                            # checking for fuzzy //
                            pathname.gsub!(/\/+$/o, '/.*')
                            # pathname.gsub!(/\/\//o,'/[\/]*/')
                            pathname.gsub!(/\/\//o,'/.*?/')
                            re = /^#{pathname}/
                            filelist.each do |f|
                                if re =~ f then
                                    result << f # duplicates will be filtered later
                                    done = true
                                end
                                break if done
                            end
                        end
                    end
                    if not done and doscan then
                        # checking for path itself
                        pname = pathname.sub(/\.\*$/,'')
                        if not pname =~ /\*/o and FileTest.file?(File.join(pname,filename)) then
                            result << pname
                            done = true
                        end
                    end
                    break if done and first
                end
            end
            if not done and @scandisk then
                pathlist.each do |path|
                    pathname = path.dup
                    unless pathname.gsub!(/^\!+/o, '') then # !! prevents scan
                        recurse = pathname.gsub!(/\/+$/o, '')
                        complex = pathname.gsub!(/\/\//o,'/*/')
                        if recurse then
                            if complex then
                                if ok = File.glob_file("#{pathname}/**/#{filename}") then
                                    result << File.dirname(ok)
                                    done = true
                                end
                            elsif ok = File.locate_file(pathname,filename) then
                                result << File.dirname(ok)
                                done = true
                            end
                        elsif complex then
                            if ok = File.glob_file("#{pathname}/#{filename}") then
                                result << File.dirname(ok)
                                done = true
                            end
                        elsif FileTest.file?(File.join(pathname,filename)) then
                            result << pathname
                            done = true
                        end
                        break if done and first
                    end
                end
            end
            result = result.uniq.collect do |pathname|
                File.join(pathname,filename)
            end
            @found[stamp] = result if @remember
        end
        return result # redundant
    end

end

class KpseFast

    class FileData
        attr_accessor :tag, :name, :size, :date
        def initialize(tag=0,name=nil,size=nil,date=nil)
            @tag, @name, @size, @date = tag, name, size, date
        end
        def FileData.sizes(a)
            a.collect do |aa|
                aa.size
            end
        end
        def report
            case @tag
                when 1 then "deleted  | #{@size.to_s.rjust(8)} | #{@date.strftime('%m/%d/%Y %I:%M')} | #{@name}"
                when 2 then "present  | #{@size.to_s.rjust(8)} | #{@date.strftime('%m/%d/%Y %I:%M')} | #{@name}"
                when 3 then "obsolete | #{' '*8} | #{' '*16} | #{@name}"
            end
        end
    end

    def analyze_files(filter='',strict=false,sort='',delete=false)
        puts("command line     = #{ARGV.join(' ')}")
        puts("number of files  = #{@files.size}")
        puts("filter pattern   = #{filter}")
        puts("loaded cnf files = #{@cnffiles.join(' ')}")
        puts('')
        if filter.gsub!(/^not:/,'') then
            def the_same(filter,filename)
                not filter or filter.empty? or /#{filter}/ !~ filename
            end
        else
            def the_same(filter,filename)
                not filter or filter.empty? or /#{filter}/ =~ filename
            end
        end
        @files.keys.each do |name|
            if @files[name].size > 1 then
                data = Array.new
                @files[name].each do |path|
                    filename = File.join(path,name)
                    # if not filter or filter.empty? or /#{filter}/ =~ filename then
                    if the_same(filter,filename) then
                        if FileTest.file?(filename) then
                            if delete then
                                data << FileData.new(1,filename,File.size(filename),File.mtime(filename))
                                begin
                                    File.delete(filename) if delete
                                rescue
                                end
                            else
                                data << FileData.new(2,filename,File.size(filename),File.mtime(filename))
                            end
                        else
                            # data << FileData.new(3,filename)
                        end
                    end
                end
                if data.length > 1 then
                    if strict then
                        # if data.collect do |d| d.size end.uniq! then
                            # data.sort! do |a,b| b.size <=> a.size end
                            # data.each do |d| puts d.report end
                            # puts ''
                        # end
                        data.sort! do |a,b|
                            if a.size and b.size then
                                b.size <=> a.size
                            else
                                0
                            end
                        end
                        bunch = Array.new
                        done = false
                        data.each do |d|
                            if bunch.size == 0 then
                                bunch << d
                            elsif bunch[0].size == d.size then
                                bunch << d
                            else
                                if bunch.size > 1 then
                                    bunch.each do |b|
                                        puts b.report
                                    end
                                    done = true
                                end
                                bunch = [d]
                            end
                        end
                        puts '' if done
                    else
                        case sort
                            when 'size'    then data.sort! do |a,b| a.size <=> b.size end
                            when 'revsize' then data.sort! do |a,b| b.size <=> a.size end
                            when 'date'    then data.sort! do |a,b| a.date <=> b.date end
                            when 'revdate' then data.sort! do |a,b| b.date <=> a.date end
                        end
                        data.each do |d| puts d.report end
                        puts ''
                    end
                end
            end
        end
    end

end


    # k = KpseFast.new # (root)
    # k.set_test_patterns
    # k.load_cnf
    # k.expand_variables
    # k.load_lsr

    # k.show_test_patterns

    # puts k.list_variables
    # puts k.list_expansions
    # k.list_lsr
    # puts k.expansion("$TEXMF")
    # puts k.expanded_path("TEXINPUTS","context")

    # k.progname, k.engine, k.format = 'context', 'pdftex', 'tfm'
    # k.scandisk = false # == must_exist
    # k.expand_variables

    # 10.times do |i| puts k.find_file('texnansi-lmr10.tfm') end

    # puts "expand braces $TEXMF"
    # puts k.expand_braces("$TEXMF")
    # puts "expand path $TEXMF"
    # puts k.expand_path("$TEXMF")
    # puts "expand var $TEXMF"
    # puts k.expand_var("$TEXMF")
    # puts "expand path $TEXMF"
    # puts k.show_path('tfm')
    # puts "expand value $TEXINPUTS"
    # puts k.var_value("$TEXINPUTS")
    # puts "expand value $TEXINPUTS.context"
    # puts k.var_value("$TEXINPUTS.context")

    # exit



# kpse_merge_file: 'C:/data/develop/context/ruby/base/kpse/drb.rb'

require 'drb'
# kpse_merge_done: require 'base/kpse/trees'

class KpseServer

    attr_accessor :port

    def initialize(port=7000)
        @port = port
    end

    def start
        puts "starting drb service at port #{@port}"
        DRb.start_service("druby://localhost:#{@port}", KpseTrees.new)
        trap(:INT) do
            DRb.stop_service
        end
        DRb.thread.join
    end

    def stop
        # todo
    end

end

class KpseClient

    attr_accessor :port

    def initialize(port=7000)
        @port = port
        @kpse = nil
    end

    def start
        # only needed when callbacks are used / slow, due to Socket::getaddrinfo
        # DRb.start_service
    end

    def object
        @kpse = DRbObject.new(nil,"druby://localhost:#{@port}")
    end

end


# SERVER_URI="druby://localhost:8787"
#
#   # Start a local DRbServer to handle callbacks.
#   #
#   # Not necessary for this small example, but will be required
#   # as soon as we pass a non-marshallable object as an argument
#   # to a dRuby call.
#   DRb.start_service
#


# kpse_merge_file: 'C:/data/develop/context/ruby/base/kpse/trees.rb'

require 'monitor'
# kpse_merge_done: require 'base/kpsefast'

class KpseTrees < Monitor

    def initialize
        @trees = Hash.new
    end

    def pattern(filenames)
        filenames.join('|').gsub(/\\+/o,'/').downcase
    end

    def choose(filenames,environment)
        current = pattern(filenames)
        load(filenames,environment) unless @trees[current]
        puts "enabling tree #{current}"
        current
    end

    def fetch(filenames,environment) # will send whole object !
        current = pattern(filenames)
        load(filenames,environment) unless @trees[current]
        puts "fetching tree #{current}"
        @trees[current]
    end

    def load(filenames,environment)
        current = pattern(filenames)
        puts "loading tree #{current}"
        @trees[current] = KpseFast.new
        @trees[current].push_environment(environment)
        @trees[current].load_cnf(filenames)
        @trees[current].expand_variables
        @trees[current].load_lsr
    end

    def set(tree,key,value)
        case key
            when 'progname' then @trees[tree].progname = value
            when 'engine'   then @trees[tree].engine   = value
            when 'format'   then @trees[tree].format   = value
        end
    end
    def get(tree,key)
        case key
            when 'progname' then @trees[tree].progname
            when 'engine'   then @trees[tree].engine
            when 'format'   then @trees[tree].format
        end
    end

    def load_cnf(tree)
        @trees[tree].load_cnf
    end
    def load_lsr(tree)
        @trees[tree].load_lsr
    end
    def expand_variables(tree)
        @trees[tree].expand_variables
    end
    def expand_braces(tree,str)
        @trees[tree].expand_braces(str)
    end
    def expand_path(tree,str)
        @trees[tree].expand_path(str)
    end
    def expand_var(tree,str)
        @trees[tree].expand_var(str)
    end
    def show_path(tree,str)
        @trees[tree].show_path(str)
    end
    def var_value(tree,str)
        @trees[tree].var_value(str)
    end
    def find_file(tree,filename)
        @trees[tree].find_file(filename)
    end
    def find_files(tree,filename,first)
        @trees[tree].find_files(filename,first)
    end

end


# kpse_merge_file: 'C:/data/develop/context/ruby/base/kpsedirect.rb'

class KpseDirect

    attr_accessor :progname, :format, :engine

    def initialize
        @progname, @format, @engine = '', '', ''
    end

    def expand_path(str)
        clean_name(`kpsewhich -expand-path=#{str}`.chomp)
    end

    def expand_var(str)
        clean_name(`kpsewhich -expand-var=#{str}`.chomp)
    end

    def find_file(str)
        clean_name(`kpsewhich #{_progname_} #{_format_} #{str}`.chomp)
    end

    def _progname_
        if @progname.empty? then '' else "-progname=#{@progname}" end
    end
    def _format_
        if @format.empty?   then '' else "-format=\"#{@format}\"" end
    end

    private

    def clean_name(str)
        str.gsub(/\\/,'/')
    end

end


# kpse_merge_file: 'C:/data/develop/context/ruby/base/merge.rb'

# module    : base/merge
# copyright : PRAGMA Advanced Document Engineering
# version   : 2006
# author    : Hans Hagen
#
# project   : ConTeXt / eXaMpLe
# concept   : Hans Hagen
# info      : j.hagen@xs4all.nl


# this module will package all the used modules in the file itself
# so that we can relocate the file at wish, usage:
#
# merge:
#
# unless SelfMerge::ok? && SelfMerge::merge then
#     puts("merging should happen on the path were the base inserts reside")
# end
#
# cleanup:
#
# unless SelfMerge::cleanup then
#     puts("merging should happen on the path were the base inserts reside")

module SelfMerge

    @@kpsemergestart = "\# kpse_merge_start"
    @@kpsemergestop  = "\# kpse_merge_stop"
    @@kpsemergefile  = "\# kpse_merge_file: "
    @@kpsemergedone  = "\# kpse_merge_done: "

    @@filename = File.basename($0)
    @@ownpath  = File.expand_path(File.dirname($0))
    @@modroot  = '(base|graphics|rslb|www)' # needed in regex in order not to mess up SelfMerge
    @@modules  = $".collect do |file| File.expand_path(file) end

    @@modules.delete_if do |file|
        file !~ /^#{@@ownpath}\/#{@@modroot}.*$/
    end

    def SelfMerge::ok?
        begin
            @@modules.each do |file|
                return false unless FileTest.file?(file)
            end
        rescue
            return false
        else
            return true
        end
    end

    def SelfMerge::merge
        begin
            if SelfMerge::ok? && rbfile = IO.read(@@filename) then
                begin
                    inserts = "#{@@kpsemergestart}\n\n"
                    @@modules.each do |file|
                        inserts << "#{@@kpsemergefile}'#{file}'\n\n"
                        inserts << IO.read(file).gsub(/^#.*?\n$/,'')
                        inserts << "\n\n"
                    end
                    inserts << "#{@@kpsemergestop}\n\n"
                    # no gsub! else we end up in SelfMerge
                    rbfile.sub!(/#{@@kpsemergestart}\s*#{@@kpsemergestop}/mois) do
                        inserts
                    end
                    rbfile.gsub!(/^(.*)(require [\"\'].*?#{@@modroot}.*)$/) do
                        pre, post = $1, $2
                        if pre =~ /#{@@kpsemergedone}/ then
                            "#{pre}#{post}"
                        else
                            "#{pre}#{@@kpsemergedone}#{post}"
                        end
                    end
                rescue
                    return false
                else
                    begin
                        File.open(@@filename,'w') do |f|
                            f << rbfile
                        end
                    rescue
                        return false
                    end
                end
            end
        rescue
            return false
        else
            return true
        end
    end

    def SelfMerge::cleanup
        begin
            if rbfile = IO.read(@@filename) then
                begin
                    rbfile.sub!(/#{@@kpsemergestart}(.*)#{@@kpsemergestop}\s*/mois) do
                        "#{@@kpsemergestart}\n\n#{@@kpsemergestop}\n\n"
                    end
                    rbfile.gsub!(/^(.*#{@@kpsemergedone}.*)$/) do
                        str = $1
                        if str =~ /require [\"\']/ then
                            str.gsub(/#{@@kpsemergedone}/, '')
                        else
                            str
                        end
                    end
                rescue
                    return false
                else
                    begin
                        File.open(@@filename,'w') do |f|
                            f << rbfile
                        end
                    rescue
                        return false
                    end
                end
            end
        rescue
            return false
        else
            return true
        end
    end

    def SelfMerge::replace
        if SelfMerge::ok? then
            SelfMerge::cleanup
            SelfMerge::merge
        end
    end

end


# kpse_merge_stop



$mswindows = Config::CONFIG['host_os'] =~ /mswin/
$separator = File::PATH_SEPARATOR
$version   = "2.0.3"
$ownpath   = File.dirname($0)

if $mswindows then
    require "win32ole"
    require "Win32API"
end

# exit if defined?(REQUIRE2LIB)

$stdout.sync = true
$stderr.sync = true

$applications = Hash.new
$suffixinputs = Hash.new
$predefined   = Hash.new

$suffixinputs['pl']  = 'PERLINPUTS'
$suffixinputs['rb']  = 'RUBYINPUTS'
$suffixinputs['py']  = 'PYTHONINPUTS'
$suffixinputs['lua'] = 'LUAINPUTS'
$suffixinputs['jar'] = 'JAVAINPUTS'
$suffixinputs['pdf'] = 'PDFINPUTS'

$predefined['texexec']  = 'texexec.rb'
$predefined['texutil']  = 'texutil.rb'
$predefined['texfont']  = 'texfont.pl'
$predefined['texshow']  = 'texshow.pl'

$predefined['makempy']  = 'makempy.pl'
$predefined['mptopdf']  = 'mptopdf.pl'
$predefined['pstopdf']  = 'pstopdf.rb'

$predefined['examplex'] = 'examplex.rb'
$predefined['concheck'] = 'concheck.rb'

$predefined['runtools'] = 'runtools.rb'
$predefined['textools'] = 'textools.rb'
$predefined['tmftools'] = 'tmftools.rb'
$predefined['ctxtools'] = 'ctxtools.rb'
$predefined['rlxtools'] = 'rlxtools.rb'
$predefined['pdftools'] = 'pdftools.rb'
$predefined['mpstools'] = 'mpstools.rb'
$predefined['exatools'] = 'exatools.rb'
$predefined['xmltools'] = 'xmltools.rb'
$predefined['luatools'] = 'luatools.lua'
$predefined['mtxtools'] = 'mtxtools.rb'

$predefined['newpstopdf']   = 'pstopdf.rb'
$predefined['newtexexec']   = 'texexec.rb'
$predefined['pdftrimwhite'] = 'pdftrimwhite.pl'

$makelist = [
    # context
    'texexec',
    'texutil',
    'texfont',
    # mp/ps
    'pstopdf',
    'mptopdf',
    'makempy',
    # misc
    'ctxtools',
    'pdftools',
    'xmltools',
    'textools',
    'mpstools',
    'tmftools',
    'exatools',
    'runtools',
    'rlxtools',
    'luatools',
    'mtxtools',
    #
    # no, 'texmfstart'
]

$scriptlist   = 'rb|pl|py|lua|jar'
$documentlist = 'pdf|ps|eps|htm|html'

$editor       = ENV['TEXMFSTART_EDITOR'] || ENV['EDITOR'] || ENV['editor'] || 'scite'

$crossover    = true # to other tex tools, else only local
$kpse         = nil

def set_applications(page=1)

    $applications['unknown']  = ''
    $applications['perl']     = $applications['pl']  = 'perl'
    $applications['ruby']     = $applications['rb']  = 'ruby'
    $applications['python']   = $applications['py']  = 'python'
    $applications['lua']      = $applications['lua'] = 'luatex --luaonly'
    $applications['java']     = $applications['jar'] = 'java'

    if $mswindows then
        $applications['pdf']  = ['',"pdfopen --page #{page} --file",'acroread']
        $applications['html'] = ['','netscape','mozilla','opera','iexplore']
        $applications['ps']   = ['','gview32','gv','gswin32','gs']
    else
        $applications['pdf']  = ["pdfopen --page #{page} --file",'acroread']
        $applications['html'] = ['netscape','mozilla','opera']
        $applications['ps']   = ['gview','gv','gs']
    end

    $applications['htm']      = $applications['html']
    $applications['eps']      = $applications['ps']

end

set_applications()

def check_kpse
    if $kpse then
        # already done
    else
        begin
            if KpseRemote::available? then
                $kpse = KpseRemote.new
                if $kpse.okay? then
                    puts("kpse     : remote") if $verbose
                else
                    $kpse = KpseDirect.new
                    puts("kpse     : direct (forced)") if $verbose
                end
            else
                $kpse = KpseDirect.new
                puts("kpse     : direct") if $verbose
            end
        rescue
            puts("kpse     : direct (fallback)") if $verbose
        end
    end
end

if $mswindows then

    GetShortPathName = Win32API.new('kernel32', 'GetShortPathName', ['P','P','N'], 'N')
    GetLongPathName  = Win32API.new('kernel32', 'GetLongPathName',  ['P','P','N'], 'N')

    def dowith_pathname (filename,filemethod)
        filename = filename.gsub(/\\/o,'/') # no gsub! because filename can be frozen
        case filename
            when /\;/o then
                # could be a path spec
                return filename
            when /\s+/o then
                # danger lurking
                buffer = ' ' * 260
                length = filemethod.call(filename,buffer,buffer.size)
                if length>0 then
                    return buffer.slice(0..length-1)
                else
                    # when the path or file does not exist, nothing is returned
                    # so we try to handle the path separately from the basename
                    basename = File.basename(filename)
                    pathname = File.dirname(filename)
                    length = filemethod.call(pathname,buffer,260)
                    if length>0 then
                        return buffer.slice(0..length-1) + '/' + basename
                    else
                        return filename
                    end
                end
            else
                # no danger
                return filename
        end
    end

    def longpathname (filename)
        dowith_pathname(filename,GetLongPathName)
    end

    def shortpathname (filename)
        dowith_pathname(filename,GetShortPathName)
    end

else

    def longpathname (filename)
        filename
    end

    def shortpathname (filename)
        filename
    end

end

class File

    # def File.needsupdate(oldname,newname)
        # begin
            # if $mswindows then
                # return File.stat(oldname).mtime > File.stat(newname).mtime
            # else
                # return File.stat(oldname).mtime != File.stat(newname).mtime
            # end
        # rescue
            # return true
        # end
    # end

    @@update_eps = 1

    def File.needsupdate(oldname,newname)
        begin
            oldtime = File.stat(oldname).mtime.to_i
            newtime = File.stat(newname).mtime.to_i
            if newtime >= oldtime then
                return false
            elsif oldtime-newtime < @@update_eps then
                return false
            else
                return true
            end
        rescue
            return true
        end
    end

    def File.syncmtimes(oldname,newname)
        return
        begin
            if $mswindows then
                # does not work (yet) / gives future timestamp
                # t = File.mtime(oldname) # i'm not sure if the time is frozen, so we do it here
                # File.utime(0,t,oldname,newname)
            else
                t = File.mtime(oldname) # i'm not sure if the time is frozen, so we do it here
                File.utime(0,t,oldname,newname)
            end
        rescue
        end
    end

    def File.timestamp(name)
        begin
            "#{File.stat(name).mtime}"
        rescue
            return 'unknown'
        end
    end

end

def hashed (arr=[])
    arg = if arr.class == String then arr.split(' ') else arr.dup end
    hsh = Hash.new
    if arg.length > 0
        hsh['arguments'] = ''
        done = false
        arg.each do |s|
            if done then
                hsh['arguments'] += ' ' + s
            else
                kvl = s.split('=')
                if kvl[0].sub!(/^\-+/,'') then
                    hsh[kvl[0]] = if kvl.length > 1 then kvl[1] else true end
                else
                    hsh['file'] = s
                    done = true
                end
            end
        end
    end
    return hsh
end

def launch(filename)
    if $browser && $mswindows then
        filename = filename.gsub(/\.[\/\\]/) do
            Dir.getwd + '/'
        end
        report("launching #{filename}")
        ie = WIN32OLE.new("InternetExplorer.Application")
        ie.visible = true
        ie.navigate(filename)
        return true
    else
        return false
    end
end

# env|environment
# rel|relative
# loc|locate|kpse|path|file

def expanded(arg) # no "other text files", too restricted
    arg.gsub(/(env|environment)\:([a-zA-Z\-\_\.0-9]+)/o) do
        method, original, resolved = $1, $2, ''
        if resolved = ENV[original] then
            report("environment variable #{original} expands to #{resolved}") unless $report
            resolved
        else
            report("environment variable #{original} cannot be resolved") unless $report
            original
        end
    end . gsub(/(rel|relative)\:([a-zA-Z\-\_\.0-9]+)/o) do
        method, original, resolved = $1, $2, ''
        ['.','..','../..'].each do |r|
            if FileTest.file?(File.join(r,original)) then
                resolved = File.join(r,original)
                break
            end
        end
        if resolved.empty? then
            original
        else
            resolved
        end
    end . gsub(/(kpse|loc|locate|file|path)\:([a-zA-Z\-\_\.0-9]+)/o) do
        method, original, resolved = $1, $2, ''
        if $program && ! $program.empty? then
            # pstrings = ["-progname=#{$program}"]
            pstrings = [$program]
        else
            # pstrings = ['','-progname=context']
            pstrings = ['','context']
        end
        # auto suffix with texinputs as fall back
        if ENV["_CTX_K_V_#{original}_"] then
            resolved = ENV["_CTX_K_V_#{original}_"]
            report("environment provides #{original} as #{resolved}") unless $report
            resolved
        else
            check_kpse
            pstrings.each do |pstr|
                if resolved.empty? then
                    # command = "kpsewhich #{pstr} #{original}"
                    # report("running #{command}")
                    report("locating '#{original}' in program space '#{pstr}'")
                    begin
                        # resolved = `#{command}`.chomp
                        $kpse.progname = pstr
                        $kpse.format = ''
                        resolved = $kpse.find_file(original).gsub(/\\/,'/')
                    rescue
                        resolved = ''
                    end
                end
                # elsewhere in the tree
                if resolved.empty? then
                    # command = "kpsewhich #{pstr} -format=\"other text files\" #{original}"
                    # report("running #{command}")
                    report("locating '#{original}' in program space '#{pstr}' using format 'other text files'")
                    begin
                        # resolved = `#{command}`.chomp
                        $kpse.progname = pstr
                        $kpse.format = 'other text files'
                        resolved = $kpse.find_file(original).gsub(/\\/,'/')
                    rescue
                        resolved = ''
                    end
                end
            end
            if resolved.empty? then
                original = File.dirname(original) if method =~ /path/
                report("#{original} is not resolved") unless $report
                ENV["_CTX_K_V_#{original}_"] = original if $crossover
                original
            else
                resolved = File.dirname(resolved) if method =~ /path/
                report("#{original} is resolved to #{resolved}") unless $report
                ENV["_CTX_K_V_#{original}_"] = resolved if $crossover
                resolved
            end
        end
    end
end

def changeddir?(path)
    if path.empty? then
        return true
    else
        oldpath = File.expand_path(path)
        begin
            Dir.chdir(path) if not path.empty?
        rescue
            report("unable to change to directory: #{path}")
        else
            report("changed to directory: #{path}")
        end
        newpath = File.expand_path(Dir.getwd)
        return oldpath == newpath
    end
end

def runcommand(command)
    if $locate then
        command = command.split(' ').collect do |c|
            if c =~ /\//o then
                begin
                    cc = File.expand_path(c)
                    c = cc if FileTest.file?(cc)
                rescue
                end
            end
            c
        end . join(' ')
        print command # to stdout and no newline
    elsif $execute then
        report("using 'exec' instead of 'system' call: #{command}")
        exec(command) if changeddir?($path)
    else
        report("using 'system' call: #{command}")
        system(command) if changeddir?($path)
    end
end

def runoneof(application,fullname,browserpermitted)
    if browserpermitted && launch(fullname) then
        return true
    else
        report("starting #{$filename}") unless $report
        output("\n") if $report && $verbose
        applications = $applications[application.downcase]
        if ! applications then
            output("problems with determining application type")
            return true
        elsif applications.class == Array then
            if $report then
                output([fullname,expanded($arguments)].join(' '))
                return true
            else
                applications.each do |a|
                    return true if runcommand([a,fullname,expanded($arguments)].join(' '))
                end
            end
        elsif applications.empty? then
            if $report then
                output([fullname,expanded($arguments)].join(' '))
                return true
            else
                return runcommand([fullname,expanded($arguments)].join(' '))
            end
        else
            if $report then
                output([applications,fullname,expanded($arguments)].join(' '))
                return true
            else
                return runcommand([applications,fullname,expanded($arguments)].join(' '))
            end
        end
        return false
    end
end

def report(str)
    $stdout.puts(str) if $verbose
end

def output(str)
    $stdout.puts(str)
end

def usage
    print "version  : #{$version} - 2003/2006 - www.pragma-ade.com\n"
    print("\n")
    print("usage    : texmfstart [switches] filename [optional arguments]\n")
    print("\n")
    print("switches : --verbose --report --browser --direct --execute --locate --iftouched --ifchanged\n")
    print("           --program --file --page --arguments --batch --edit --report --clear\n")
    print("           --make --lmake --wmake --path --stubpath --indirect --before --after\n")
    print("           --tree --autotree --environment --showenv\n")
    print("\n")
    print("example  : texmfstart pstopdf.rb cow.eps\n")
    print("           texmfstart --locate examplex.rb\n")
    print("           texmfstart --execute examplex.rb\n")
    print("           texmfstart --browser examplap.pdf\n")
    print("           texmfstart showcase.pdf\n")
    print("           texmfstart --page=2 --file=showcase.pdf\n")
    print("           texmfstart --program=yourtex yourscript.rb arg-1 arg-2\n")
    print("           texmfstart --direct xsltproc kpse:somefile.xsl somefile.xml\n")
    print("           texmfstart --direct ruby rel:wn-cleanup-1.rb oldfile.xml newfile.xml\n")
    print("           texmfstart bin:xsltproc env:somepreset path:somefile.xsl somefile.xml\n")
    print("           texmfstart --iftouched=normal,lowres downsample.rb normal lowres\n")
    print("           texmfstart --ifchanged=somefile.dat --direct processit somefile.dat\n")
    print("           texmfstart bin:scite kpse:texmf.cnf\n")
    print("           texmfstart --exec bin:scite *.tex\n")
    print("           texmfstart --edit texmf.cnf\n")
    print("           texmfstart --edit kpse:texmf.cnf\n")
    print("           texmfstart --serve\n")
    print("\n")
    print("           texmfstart --stubpath=/usr/local/bin [--make --remove] --verbose all\n")
    print("           texmfstart --stubpath=auto [--make --remove] all\n")
    print("\n")
    check_kpse
end

# somehow registration does not work out (at least not under windows)

def tag(name)
    if $crossover then "_CTX_K_S_#{name}_" else "TEXMFSTART.#{name}" end
end

def registered?(filename)
    return ENV[tag(filename)] != nil
end

def registered(filename)
    return ENV[tag(filename)] || 'unknown'
end

def register(filename,fullname)
    if fullname && ! fullname.empty? then # && FileTest.file?(fullname)
        ENV[tag(filename)] = fullname
        report("registering '#{filename}' as '#{fullname}'")
        return true
    else
        return false
    end
end

def find(filename,program)
    begin
        filename = filename.sub(/script:/o, '') # so we have bin: and script: and nothing
        if $predefined.key?(filename) then
            report("expanding '#{filename}' to '#{$predefined[filename]}'")
            filename = $predefined[filename]
        end
        if registered?(filename) then
            report("already located '#{filename}'")
            return registered(filename)
        end
        # create suffix list
        if filename =~ /^(.*)\.(.+)$/ then
            filename = $1
            suffixlist = [$2]
        else
            suffixlist = [$scriptlist.split('|'),$documentlist.split('|')].flatten
        end
        # first we honor a given path
        if filename =~ /[\\\/]/ then
            report("trying to honor '#{filename}'")
            suffixlist.each do |suffix|
                fullname = filename+'.'+suffix
                if FileTest.file?(fullname) && register(filename,fullname)
                    return shortpathname(fullname)
                end
            end
        end
        filename.sub!(/^.*[\\\/]/, '')
        # next we look at the current path and the callerpath
        pathlist = [ ]
        progpath = $applications[suffixlist[0]]
        threadok = registered("THREAD") !~ /unknown/
        pathlist << ['.','current']
        pathlist << [$ownpath,'caller']                                 if $ownpath != '.'
        pathlist << ["#{$ownpath}/../#{progpath}",'caller']             if progpath
        pathlist << [registered("THREAD"),'thread']                     if threadok
        pathlist << ["#{registered("THREAD")}/../#{progpath}",'thread'] if progpath && threadok
        pathlist.each do |p|
            if p && ! p.empty? && ! (p[0] == 'unknown') then
                suffixlist.each do |suffix|
                    fname = "#{filename}.#{suffix}"
                    fullname = File.expand_path(File.join(p[0],fname))
                    report("locating '#{fname}' in #{p[1]} path '#{p[0]}'")
                    if FileTest.file?(fullname) && register(filename,fullname) then
                        report("'#{fname}' located in #{p[1]} path")
                        return shortpathname(fullname)
                    end
                end
            end
        end
        # now we consult environment settings
        fullname = nil
        check_kpse
        $kpse.progname = program
        suffixlist.each do |suffix|
            begin
                break unless $suffixinputs[suffix]
                environment = ENV[$suffixinputs[suffix]] || ENV[$suffixinputs[suffix]+".#{$program}"]
                if ! environment || environment.empty? then
                    begin
                        # environment = `kpsewhich -expand-path=\$#{$suffixinputs[suffix]}`.chomp
                        environment = $kpse.expand_path("\$#{$suffixinputs[suffix]}")
                    rescue
                        environment = nil
                    else
                        if environment && ! environment.empty? then
                            report("using kpsewhich variable #{$suffixinputs[suffix]}")
                        end
                    end
                elsif environment && ! environment.empty? then
                    report("using environment variable #{$suffixinputs[suffix]}")
                end
                if environment && ! environment.empty? then
                    environment.split($separator).each do |e|
                        e.strip!
                        e = '.' if e == '\.' # somehow . gets escaped
                        e += '/' unless e =~ /[\\\/]$/
                        fullname = e + filename + '.' + suffix
                        report("testing '#{fullname}'")
                        if FileTest.file?(fullname) then
                            break
                        else
                            fullname = nil
                        end
                    end
                end
            rescue
                report("environment string '#{$suffixinputs[suffix]}' cannot be used to locate '#{filename}'")
                fullname = nil
            else
                return shortpathname(fullname) if register(filename,fullname)
            end
        end
        return shortpathname(fullname) if register(filename,fullname)
        # then we fall back on kpsewhich
        suffixlist.each do |suffix|
            # TDS script scripts location as per 2004
            if suffix =~ /(#{$scriptlist})/ then
                begin
                    report("using 'kpsewhich' to locate '#{filename}' in suffix space '#{suffix}' (1)")
                    # fullname = `kpsewhich -progname=#{program} -format=texmfscripts #{filename}.#{suffix}`.chomp
                    $kpse.format = 'texmfscripts'
                    fullname = $kpse.find_file("#{filename}.#{suffix}").gsub(/\\/,'/')
                rescue
                    report("kpsewhich cannot locate '#{filename}' in suffix space '#{suffix}' (1)")
                    fullname = nil
                else
                    return shortpathname(fullname) if register(filename,fullname)
                end
            end
            # old TDS location: .../texmf/context/...
            begin
                report("using 'kpsewhich' to locate '#{filename}' in suffix space '#{suffix}' (2)")
                # fullname = `kpsewhich -progname=#{program} -format="other text files" #{filename}.#{suffix}`.chomp
                $kpse.format = 'other text files'
                fullname = $kpse.find_file("#{filename}.#{suffix}").gsub(/\\/,'/')
            rescue
                report("kpsewhich cannot locate '#{filename}' in suffix space '#{suffix}' (2)")
                fullname = nil
            else
                return shortpathname(fullname) if register(filename,fullname)
            end
        end
        return shortpathname(fullname) if register(filename,fullname)
        # let's take a look at the path
        paths = ENV['PATH'].split($separator)
        suffixlist.each do |s|
            paths.each do |p|
                suffixedname = "#{filename}.#{s}"
                report("checking #{p} for #{filename}")
                if FileTest.file?(File.join(p,suffixedname)) then
                    fullname = File.join(p,suffixedname)
                    return  shortpathname(fullname) if register(filename,fullname)
                end
            end
        end
        # bad luck, we need to search the tree ourselves
        if (suffixlist.length == 1) && (suffixlist.first =~ /(#{$documentlist})/) then
            report("aggressively locating '#{filename}' in document trees")
            begin
                # texroot = `kpsewhich -expand-var=$SELFAUTOPARENT`.chomp
                texroot = $kpse.expand_var("$SELFAUTOPARENT")
            rescue
                texroot = ''
            else
                texroot.sub!(/[\\\/][^\\\/]*?$/, '')
            end
            if not texroot.empty? then
                sffxlst = suffixlist.join(',')
                begin
                    report("locating '#{filename}' in document tree '#{texroot}/doc*'")
                    if (result = Dir.glob("#{texroot}/doc*/**/#{filename}.{#{sffxlst}}")) && result && result[0] && FileTest.file?(result[0]) then
                        fullname = result[0]
                    end
                rescue
                    report("locating '#{filename}.#{suffixlist.join('|')}' in tree '#{texroot}' aborted")
                end
            end
            return shortpathname(fullname) if register(filename,fullname)
        end
        report("aggressively locating '#{filename}' in tex trees")
        begin
            # textrees = `kpsewhich -expand-var=$TEXMF`.chomp
            textrees = $kpse.expand_var("$TEXMF")
        rescue
            textrees = ''
        end
        if not textrees.empty? then
            textrees.gsub!(/[\{\}\!]/, '')
            textrees = textrees.split(',')
            if (suffixlist.length == 1) && (suffixlist.first =~ /(#{$documentlist})/) then
                speedup = ['doc**','**']
            else
                speedup = ['**']
            end
            sffxlst = suffixlist.join(',')
            speedup.each do |speed|
                textrees.each do |tt|
                    tt.gsub!(/[\\\/]$/, '')
                    if FileTest.directory?(tt) then
                        begin
                            report("locating '#{filename}' in tree '#{tt}/#{speed}/#{filename}.{#{sffxlst}}'")
                            if (result = Dir.glob("#{tt}/#{speed}/#{filename}.{#{sffxlst}}")) && result && result[0] && FileTest.file?(result[0]) then
                                fullname = result[0]
                                break
                            end
                        rescue
                            report("locating '#{filename}' in tree '#{tt}' aborted")
                            next
                        end
                    end
                end
                break if fullname && ! fullname.empty?
            end
        end
        if register(filename,fullname) then
            return shortpathname(fullname)
        else
            return ''
        end
    rescue
        error, trace = $!, $@.join("\n")
        report("fatal error: #{error}\n#{trace}")
        # report("fatal error")
    end
end

def run(fullname)
    if ! fullname || fullname.empty? then
        output("the file '#{$filename}' is not found")
    elsif FileTest.file?(fullname) then
        begin
            case fullname
                when /\.(#{$scriptlist})$/i then
                    return runoneof($1,fullname,false)
                when /\.(#{$documentlist})$/i then
                    return runoneof($1,fullname,true)
                else
                    return runoneof('unknown',fullname,false)
            end
        rescue
            report("starting '#{$filename}' in program space '#{$program}' fails (#{$!})")
        end
    else
        report("the file '#{$filename}' in program space '#{$program}' is not accessible")
    end
    return false
end

def direct(fullname)
    begin
        return runcommand([fullname.sub(/^(bin|binary)\:/, ''),expanded($arguments)].join(' '))
    rescue
        return false
    end
end

def edit(filename)
    begin
        return runcommand([$editor,expanded(filename),expanded($arguments)].join(' '))
    rescue
        return false
    end
end

def make(filename,windows=false,linux=false,remove=false)
    basename = File.basename(filename).gsub(/\.[^.]+?$/, '')
    if $stubpath == 'auto' then
        basename = File.dirname($0) + '/' + basename
    else
        basename = $stubpath + '/' + basename unless $stubpath.empty?
    end
    if filename == 'texmfstart' then
        program = 'ruby'
        command = 'kpsewhich --format=texmfscripts --progname=context texmfstart.rb'
        filename = `#{command}`.chomp.gsub(/\\/, '/')
        if filename.empty? then
            report("failure: #{command}")
            return
        elsif not remove then
            if windows then
                ['bat','exe'].each do |suffix|
                    if FileTest.file?("#{basename}.#{suffix}") then
                        report("windows stub '#{basename}.#{suffix}' skipped (already present)")
                        return
                    end
                end
            elsif linux && FileTest.file?(basename) then
                report("unix stub '#{basename}' skipped (already present)")
                return
            end
        end
    else
        program = nil
        if filename =~ /[\\\/]/ && filename =~ /\.(#{$scriptlist})$/ then
            program = $applications[$1]
        end
        filename = "\"#{filename}\"" if filename =~ /\s/
        program = 'texmfstart' if $indirect || ! program || program.empty?
    end
    begin
        callname = $predefined[filename.sub(/\.*?$/,'')] || filename
        if remove then
            if windows && (File.delete(basename+'.bat') rescue false) then
                report("windows stub '#{basename}.bat' removed (calls #{callname})")
            elsif linux && (File.delete(basename) rescue false) then
                report("unix stub '#{basename}' removed (calls #{callname})")
            end
        else
            if windows && f = open(basename+'.bat','w') then
                f.binmode
                f.write("@echo off\015\012")
                f.write("#{program} #{callname} %*\015\012")
                f.close
                report("windows stub '#{basename}.bat' made (calls #{callname})")
            elsif linux && f = open(basename,'w') then
                f.binmode
                f.write("#!/bin/sh\012")
                f.write("#{program} #{callname} \"$@\"\012")
                f.close
                report("unix stub '#{basename}' made (calls #{callname})")
            end
        end
    rescue
        report("failed to make stub '#{basename}' #{$!}")
        return false
    else
        return true
    end
end

def process(&block)
    if $iftouched then
        files = $directives['iftouched'].split(',')
        oldname, newname = files[0], files[1]
        if oldname && newname && File.needsupdate(oldname,newname) then
            report("file #{oldname}: #{File.timestamp(oldname)}")
            report("file #{newname}: #{File.timestamp(newname)}")
            report("file is touched, processing started")
            yield
            File.syncmtimes(oldname,newname)
        else
            report("file #{oldname} is untouched")
        end
    elsif $ifchanged then
        filename = $directives['ifchanged']
        checkname = filename + ".md5"
        oldchecksum, newchecksum = "old", "new"
        begin
            newchecksum = MD5.new(IO.read(filename)).hexdigest.upcase
        rescue
            newchecksum = "new"
        else
            begin
                oldchecksum = IO.read(checkname).chomp
            rescue
                oldchecksum = "old"
            end
        end
        if $verbose then
            report("old checksum #{filename}: #{oldchecksum}")
            report("new checksum #{filename}: #{newchecksum}")
        end
        if oldchecksum != newchecksum then
            report("file is changed, processing started")
            begin
                File.open(checkname,'w') do |f|
                    f << newchecksum
                end
            rescue
            end
            yield
        else
            report("file #{filename} is unchanged")
        end
    else
        yield
    end
end

def checkenvironment(tree)
    report('')
    ENV['TMP'] = ENV['TMP'] || ENV['TEMP'] || ENV['TMPDIR'] || ENV['HOME']
    case RUBY_PLATFORM
        when /(mswin|bccwin|mingw|cygwin)/i then ENV['TEXOS'] = ENV['TEXOS'] || 'texmf-mswin'
        when /(linux)/i                     then ENV['TEXOS'] = ENV['TEXOS'] || 'texmf-linux'
        when /(darwin|rhapsody|nextstep)/i  then ENV['TEXOS'] = ENV['TEXOS'] || 'texmf-macosx'
    #   when /(netbsd|unix)/i               then # todo
        else                                     # todo
    end
    ENV['TEXOS']   = "#{ENV['TEXOS'].sub(/^[\\\/]*/, '').sub(/[\\\/]*$/, '')}"
    ENV['TEXPATH'] = tree.sub(/\/+$/,'') # + '/'
    ENV['TEXMFOS'] = "#{ENV['TEXPATH']}/#{ENV['TEXOS']}"
    report('')
    report("preset : TEXPATH => #{ENV['TEXPATH']}")
    report("preset : TEXOS   => #{ENV['TEXOS']}")
    report("preset : TEXMFOS => #{ENV['TEXMFOS']}")
    report("preset : TMP => #{ENV['TMP']}")
    report('')
end

def loadfile(filename)
    begin
        IO.readlines(filename).each do |line|
            case line.chomp
                when /^[\#\%]/ then
                    # comment
                when /^(.*?)\s*(\>|\=|\<)\s*(.*)\s*$/ then
                    # = assign | > prepend | < append
                    key, how, value = $1, $2, $3
                    begin
                        # $SAFE = 0
                        value.gsub!(/\%(.*?)\%/) do
                            ENV[$1] || ''
                        end
                        # value.gsub!(/\;/,$separator) if key =~ /PATH/i then
                        case how
                            when '=', '<<' then ENV[key] = value
                            when '?', '??' then ENV[key] = ENV[key] || value
                            when '<', '+=' then ENV[key] = (ENV[key] || '') + $separator + value
                            when '>', '=+' then ENV[key] = value + $separator + (ENV[key] ||'')
                        end
                    rescue
                        report("user set failed : #{key} (#{$!})")
                    else
                        report("user set : #{key} => #{ENV[key]}")
                    end
            end
        end
    rescue
        report("error in reading file '#{filename}'")
    end
end

def loadtree(tree)
    begin
        unless tree.empty? then
            if File.directory?(tree) then
                setuptex = File.join(tree,'setuptex.tmf')
            else
                setuptex = tree.dup
            end
            if FileTest.file?(setuptex) then
                report("tex tree definition: #{setuptex}")
                checkenvironment(File.dirname(setuptex))
                loadfile(setuptex)
            else
                report("no setup file '#{setuptex}'")
            end
        end
    rescue
        # maybe tree is empty or boolean (no arg given)
    end
end

def loadenvironment(environment)
    begin
        unless environment.empty? then
            filename = if $path.empty? then environment else File.expand_path(File.join($path,environment)) end
            if FileTest.file?(filename) then
                report("environment : #{environment}")
                loadfile(filename)
            else
                report("no environment file '#{environment}'")
            end
        end
    rescue
        report("problem while loading '#{environment}'")
    end
end

def show_environment
    if $showenv then
        keys = ENV.keys.sort
        size = 0
        keys.each do |k|
            size = k.size if k.size > size
        end
        report('')
        keys.each do |k|
            report("#{k.rjust(size)} => #{ENV[k]}")
        end
        report('')
    end
end

def execute(arguments)

    arguments = arguments.split(/\s+/) if arguments.class == String

    $directives = hashed(arguments)

    $help        = $directives['help']        || false
    $batch       = $directives['batch']       || false
    $filename    = $directives['file']        || ''
    $program     = $directives['program']     || 'context'
    $direct      = $directives['direct']      || false
    $edit        = $directives['edit']        || false
    $page        = $directives['page']        || 1
    $browser     = $directives['browser']     || false
    $report      = $directives['report']      || false
    $verbose     = $directives['verbose']     || false
    $arguments   = $directives['arguments']   || ''
    $execute     = $directives['execute']     || $directives['exec'] || false
    $locate      = $directives['locate']      || false

    $autotree    = if $directives['autotree'] then (ENV['TEXMFSTART_TREE'] || ENV['TEXMFSTARTTREE'] || '') else '' end

    $path        = $directives['path']        || ''
    $tree        = $directives['tree']        || $autotree || ''
    $environment = $directives['environment'] || ''

    $make        = $directives['make']        || false
    $remove      = $directives['remove']      || $directives['delete'] || false
    $unix        = $directives['unix']        || false
    $windows     = $directives['windows']     || $directives['mswin'] || false
    $stubpath    = $directives['stubpath']    || ''
    $indirect    = $directives['indirect']    || false

    $before      = $directives['before']      || ''
    $after       = $directives['after']       || ''

    $iftouched   = $directives['iftouched']   || false
    $ifchanged   = $directives['ifchanged']   || false

    $openoffice  = $directives['oo']          || false

    $crossover   = false if $directives['clear']

    $showenv     = $directives['showenv']     || false
    $verbose     = true if $showenv

    $serve       = $directives['serve']       || false

    $verbose = true if (ENV['_CTX_VERBOSE_'] =~ /(y|yes|t|true|on)/io) && ! $locate && ! $report

    set_applications($page)

    # private:

    $selfmerge   = $directives['selfmerge'] || false
    $selfcleanup = $directives['selfclean'] || $directives['selfcleanup'] || false

    ENV['_CTX_VERBOSE_'] = 'yes' if $verbose

    if $openoffice then
        if ENV['OOPATH'] then
            if FileTest.directory?(ENV['OOPATH']) then
                report("using open office python")
                if $mswindows then
                    $applications['python'] = $applications['py']  = "\"#{File.join(ENV['OOPATH'],'program','python.bat')}\""
                else
                    $applications['python'] = $applications['py']  = File.join(ENV['OOPATH'],'python')
                end
                report("python path #{$applications['python']}")
            else
                report("environment variable 'OOPATH' does not exist")
            end
        else
            report("environment variable 'OOPATH' is not set")
        end
    end

    if $selfmerge then
        output("ruby libraries are cleaned up") if SelfMerge::cleanup
        output("ruby libraries are merged")     if SelfMerge::merge
        return true
    elsif $selfcleanup then
        output("ruby libraries are cleaned up") if SelfMerge::cleanup
        return true
    elsif $serve then
        if ENV['KPSEMETHOD'] && ENV['KPSEPORT'] then
            # # kpse_merge_done: require 'base/kpseremote'
            begin
                KpseRemote::start_server
            rescue
                return false
            else
                return true
            end
        else
            usage
            puts("")
            puts("message  : set 'KPSEMETHOD' and 'KPSEPORT' variables")
            return false
        end
    elsif $help || ! $filename || $filename.empty? then
        usage
        loadtree($tree)
        loadenvironment($environment)
        show_environment()
        return true
    elsif $batch && $filename && ! $filename.empty? then
        # todo, take commands from file and avoid multiple starts and checks
        return false
    else
        report("texmfstart version #{$version}")
        loadtree($tree)
        loadenvironment($environment)
        show_environment()
        if $make || $remove then
            if $filename == 'all' then
                makelist = $makelist
            else
                makelist = [$filename]
            end
            makelist.each do |filename|
                if $windows then
                    make(filename,true,false,$remove)
                elsif $unix then
                    make(filename,false,true,$remove)
                else
                    make(filename,$mswindows,!$mswindows,$remove)
                end
            end
            return true # guess
        elsif $browser && $filename =~ /^http\:\/\// then
            return launch($filename)
        else
            begin
                process do
                    if $direct || $filename =~ /^bin\:/ then
                        return direct($filename)
                    elsif $edit && ! $editor.empty? then
                        return edit($filename)
                    else # script: or no prefix
                        command = find(shortpathname($filename),$program)
                        if command then
                            register("THREAD",File.dirname(File.expand_path(command)))
                            return run(command)
                        else
                            report('unable to locate program')
                            return false
                        end
                    end
                end
            rescue
                report('fatal error in starting process')
                return false
            end
        end
    end

end

if execute(ARGV) then
    report("\nexecution was successful") if $verbose
    exit(0)
else
    report("\nexecution failed") if $verbose
    exit(1)
end

# exit (if ($?.to_i rescue 0) > 0 then 1 else 0 end)