nmosh-dist /libs/wxWidgets/src/common/filefn.cpp

Language C++ Lines 2053
MD5 Hash fe012f2670053e5246cf3241ddf2a8bf Estimated Cost $40,661 (why?)
Repository https://bitbucket.org/okuoku/nmosh-dist.git View Raw File
   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
/////////////////////////////////////////////////////////////////////////////
// Name:        src/common/filefn.cpp
// Purpose:     File- and directory-related functions
// Author:      Julian Smart
// Modified by:
// Created:     29/01/98
// RCS-ID:      $Id$
// Copyright:   (c) 1998 Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "wx/filefn.h"

#ifndef WX_PRECOMP
    #include "wx/intl.h"
    #include "wx/log.h"
    #include "wx/utils.h"
    #include "wx/crt.h"
#endif

#include "wx/dynarray.h"
#include "wx/file.h"
#include "wx/filename.h"
#include "wx/dir.h"

#include "wx/tokenzr.h"

// there are just too many of those...
#ifdef __VISUALC__
    #pragma warning(disable:4706)   // assignment within conditional expression
#endif // VC++

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if !wxONLY_WATCOM_EARLIER_THAN(1,4)
    #if !(defined(_MSC_VER) && (_MSC_VER > 800))
        #include <errno.h>
    #endif
#endif

#if defined(__WXMAC__)
    #include  "wx/osx/private.h"  // includes mac headers
#endif

#ifdef __WINDOWS__
    #include "wx/msw/private.h"
    #include "wx/msw/mslu.h"

    // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
    // and for cygwin_conv_path()
    //
    // note that it must be included after <windows.h>
    #ifdef __GNUWIN32__
        #ifdef __CYGWIN__
            #include <sys/cygwin.h>
            #include <cygwin/version.h>
        #endif
    #endif // __GNUWIN32__

    // io.h is needed for _get_osfhandle()
    // Already included by filefn.h for many Windows compilers
    #if defined __CYGWIN__
        #include <io.h>
    #endif
#endif // __WINDOWS__

#if defined(__VMS__)
    #include <fab.h>
#endif

// TODO: Borland probably has _wgetcwd as well?
#ifdef _MSC_VER
    #define HAVE_WGETCWD
#endif

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

#ifndef _MAXPATHLEN
    #define _MAXPATHLEN 1024
#endif

// ----------------------------------------------------------------------------
// private globals
// ----------------------------------------------------------------------------

#if WXWIN_COMPATIBILITY_2_8
static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
#endif

#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
//
// VisualAge C++ V4.0 cannot have any external linkage const decs
// in headers included by more than one primary source
//
const int wxInvalidOffset = -1;
#endif

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wrappers around standard POSIX functions
// ----------------------------------------------------------------------------

#if wxUSE_UNICODE && defined __BORLANDC__ \
    && __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551

// BCC 5.5 and 5.5.1 have a bug in _wopen where files are created read only
// regardless of the mode parameter. This hack works around the problem by
// setting the mode with _wchmod.
//
int wxCRT_OpenW(const wchar_t *pathname, int flags, mode_t mode)
{
    int moreflags = 0;

    // we only want to fix the mode when the file is actually created, so
    // when creating first try doing it O_EXCL so we can tell if the file
    // was already there.
    if ((flags & O_CREAT) && !(flags & O_EXCL) && (mode & wxS_IWUSR) != 0)
        moreflags = O_EXCL;

    int fd = _wopen(pathname, flags | moreflags, mode);

    // the file was actually created and needs fixing
    if (fd != -1 && (flags & O_CREAT) != 0 && (mode & wxS_IWUSR) != 0)
    {
        close(fd);
        _wchmod(pathname, mode);
        fd = _wopen(pathname, flags & ~(O_EXCL | O_CREAT));
    }
    // the open failed, but it may have been because the added O_EXCL stopped
    // the opening of an existing file, so try again without.
    else if (fd == -1 && moreflags != 0)
    {
        fd = _wopen(pathname, flags & ~O_CREAT);
    }

    return fd;
}

#endif

// ----------------------------------------------------------------------------
// wxPathList
// ----------------------------------------------------------------------------

bool wxPathList::Add(const wxString& path)
{
    // add a path separator to force wxFileName to interpret it always as a directory
    // (i.e. if we are called with '/home/user' we want to consider it a folder and
    // not, as wxFileName would consider, a filename).
    wxFileName fn(path + wxFileName::GetPathSeparator());

    // add only normalized relative/absolute paths
    // NB: we won't do wxPATH_NORM_DOTS in order to avoid problems when trying to
    //     normalize paths which starts with ".." (which can be normalized only if
    //     we use also wxPATH_NORM_ABSOLUTE - which we don't want to use).
    if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
        return false;

    wxString toadd = fn.GetPath();
    if (Index(toadd) == wxNOT_FOUND)
        wxArrayString::Add(toadd);      // do not add duplicates

    return true;
}

void wxPathList::Add(const wxArrayString &arr)
{
    for (size_t j=0; j < arr.GetCount(); j++)
        Add(arr[j]);
}

// Add paths e.g. from the PATH environment variable
void wxPathList::AddEnvList (const wxString& WXUNUSED_IN_WINCE(envVariable))
{
    // No environment variables on WinCE
#ifndef __WXWINCE__

    // The space has been removed from the tokenizers, otherwise a
    // path such as "C:\Program Files" would be split into 2 paths:
    // "C:\Program" and "Files"; this is true for both Windows and Unix.

    static const wxChar PATH_TOKS[] =
#if defined(__WINDOWS__) || defined(__OS2__)
        wxT(";"); // Don't separate with colon in DOS (used for drive)
#else
        wxT(":;");
#endif

    wxString val;
    if ( wxGetEnv(envVariable, &val) )
    {
        // split into an array of string the value of the env var
        wxArrayString arr = wxStringTokenize(val, PATH_TOKS);
        WX_APPEND_ARRAY(*this, arr);
    }
#endif // !__WXWINCE__
}

// Given a full filename (with path), ensure that that file can
// be accessed again USING FILENAME ONLY by adding the path
// to the list if not already there.
bool wxPathList::EnsureFileAccessible (const wxString& path)
{
    return Add(wxPathOnly(path));
}

#if WXWIN_COMPATIBILITY_2_6
bool wxPathList::Member (const wxString& path) const
{
    return Index(path) != wxNOT_FOUND;
}
#endif

wxString wxPathList::FindValidPath (const wxString& file) const
{
    // normalize the given string as it could be a path + a filename
    // and not only a filename
    wxFileName fn(file);
    wxString strend;

    // NB: normalize without making absolute otherwise calling this function with
    //     e.g. "b/c.txt" would result in removing the directory 'b' and the for loop
    //     below would only add to the paths of this list the 'c.txt' part when doing
    //     the existence checks...
    // NB: we don't use wxPATH_NORM_DOTS here, too (see wxPathList::Add for more info)
    if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
        return wxEmptyString;

    wxASSERT_MSG(!fn.IsDir(), wxT("Cannot search for directories; only for files"));
    if (fn.IsAbsolute())
        strend = fn.GetFullName();      // search for the file name and ignore the path part
    else
        strend = fn.GetFullPath();

    for (size_t i=0; i<GetCount(); i++)
    {
        wxString strstart = Item(i);
        if (!strstart.IsEmpty() && strstart.Last() != wxFileName::GetPathSeparator())
            strstart += wxFileName::GetPathSeparator();

        if (wxFileExists(strstart + strend))
            return strstart + strend;        // Found!
    }

    return wxEmptyString;                    // Not found
}

wxString wxPathList::FindAbsoluteValidPath (const wxString& file) const
{
    wxString f = FindValidPath(file);
    if ( f.empty() || wxIsAbsolutePath(f) )
        return f;

    wxString buf = ::wxGetCwd();

    if ( !wxEndsWithPathSeparator(buf) )
    {
        buf += wxFILE_SEP_PATH;
    }
    buf += f;

    return buf;
}

// ----------------------------------------------------------------------------
// miscellaneous global functions
// ----------------------------------------------------------------------------

#if WXWIN_COMPATIBILITY_2_8
static inline wxChar* MYcopystring(const wxString& s)
{
    wxChar* copy = new wxChar[s.length() + 1];
    return wxStrcpy(copy, s.c_str());
}

template<typename CharType>
static inline CharType* MYcopystring(const CharType* s)
{
    CharType* copy = new CharType[wxStrlen(s) + 1];
    return wxStrcpy(copy, s);
}
#endif


bool
wxFileExists (const wxString& filename)
{
    return wxFileName::FileExists(filename);
}

bool
wxIsAbsolutePath (const wxString& filename)
{
    if (!filename.empty())
    {
        // Unix like or Windows
        if (filename[0] == wxT('/'))
            return true;
#ifdef __VMS__
        if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
            return true;
#endif
#if defined(__WINDOWS__) || defined(__OS2__)
        // MSDOS like
        if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
            return true;
#endif
    }
    return false ;
}

#if WXWIN_COMPATIBILITY_2_8
/*
 * Strip off any extension (dot something) from end of file,
 * IF one exists. Inserts zero into buffer.
 *
 */

template<typename T>
static void wxDoStripExtension(T *buffer)
{
    int len = wxStrlen(buffer);
    int i = len-1;
    while (i > 0)
    {
        if (buffer[i] == wxT('.'))
        {
            buffer[i] = 0;
            break;
        }
        i --;
    }
}

void wxStripExtension(char *buffer) { wxDoStripExtension(buffer); }
void wxStripExtension(wchar_t *buffer) { wxDoStripExtension(buffer); }

void wxStripExtension(wxString& buffer)
{
   buffer = wxFileName::StripExtension(buffer);
}

// Destructive removal of /./ and /../ stuff
template<typename CharType>
static CharType *wxDoRealPath (CharType *path)
{
  static const CharType SEP = wxFILE_SEP_PATH;
#ifdef __WINDOWS__
  wxUnix2DosFilename(path);
#endif
  if (path[0] && path[1]) {
    /* MATTHEW: special case "/./x" */
    CharType *p;
    if (path[2] == SEP && path[1] == wxT('.'))
      p = &path[0];
    else
      p = &path[2];
    for (; *p; p++)
      {
        if (*p == SEP)
          {
            if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
              {
                CharType *q;
                for (q = p - 1; q >= path && *q != SEP; q--)
                {
                    // Empty
                }

                if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
                    && (q - 1 <= path || q[-1] != SEP))
                  {
                    wxStrcpy (q, p + 3);
                    if (path[0] == wxT('\0'))
                      {
                        path[0] = SEP;
                        path[1] = wxT('\0');
                      }
#if defined(__WINDOWS__) || defined(__OS2__)
                    /* Check that path[2] is NULL! */
                    else if (path[1] == wxT(':') && !path[2])
                      {
                        path[2] = SEP;
                        path[3] = wxT('\0');
                      }
#endif
                    p = q - 1;
                  }
              }
            else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
              wxStrcpy (p, p + 2);
          }
      }
  }
  return path;
}

char *wxRealPath(char *path)
{
    return wxDoRealPath(path);
}

wchar_t *wxRealPath(wchar_t *path)
{
    return wxDoRealPath(path);
}

wxString wxRealPath(const wxString& path)
{
    wxChar *buf1=MYcopystring(path);
    wxChar *buf2=wxRealPath(buf1);
    wxString buf(buf2);
    delete [] buf1;
    return buf;
}


// Must be destroyed
wxChar *wxCopyAbsolutePath(const wxString& filename)
{
    if (filename.empty())
        return NULL;

    if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename)))
    {
        wxString buf = ::wxGetCwd();
        wxChar ch = buf.Last();
#ifdef __WINDOWS__
        if (ch != wxT('\\') && ch != wxT('/'))
            buf << wxT("\\");
#else
        if (ch != wxT('/'))
            buf << wxT("/");
#endif
        buf << wxFileFunctionsBuffer;
        buf = wxRealPath( buf );
        return MYcopystring( buf );
    }
    return MYcopystring( wxFileFunctionsBuffer );
}

/*-
 Handles:
   ~/ => home dir
   ~user/ => user's home dir
   If the environment variable a = "foo" and b = "bar" then:
   Unix:
        $a        =>        foo
        $a$b        =>        foobar
        $a.c        =>        foo.c
        xxx$a        =>        xxxfoo
        ${a}!        =>        foo!
        $(b)!        =>        bar!
        \$a        =>        \$a
   MSDOS:
        $a        ==>        $a
        $(a)        ==>        foo
        $(a)$b        ==>        foo$b
        $(a)$(b)==>        foobar
        test.$$        ==>        test.$$
 */

/* input name in name, pathname output to buf. */

template<typename CharType>
static CharType *wxDoExpandPath(CharType *buf, const wxString& name)
{
    register CharType *d, *s, *nm;
    CharType        lnm[_MAXPATHLEN];
    int             q;

    // Some compilers don't like this line.
//    const CharType    trimchars[] = wxT("\n \t");

    CharType      trimchars[4];
    trimchars[0] = wxT('\n');
    trimchars[1] = wxT(' ');
    trimchars[2] = wxT('\t');
    trimchars[3] = 0;

    static const CharType SEP = wxFILE_SEP_PATH;
#ifdef __WINDOWS__
    //wxUnix2DosFilename(path);
#endif

    buf[0] = wxT('\0');
    if (name.empty())
        return buf;
    nm = ::MYcopystring(static_cast<const CharType*>(name.c_str())); // Make a scratch copy
    CharType *nm_tmp = nm;

    /* Skip leading whitespace and cr */
    while (wxStrchr(trimchars, *nm) != NULL)
        nm++;
    /* And strip off trailing whitespace and cr */
    s = nm + (q = wxStrlen(nm)) - 1;
    while (q-- && wxStrchr(trimchars, *s) != NULL)
        *s = wxT('\0');

    s = nm;
    d = lnm;
#ifdef __WINDOWS__
    q = FALSE;
#else
    q = nm[0] == wxT('\\') && nm[1] == wxT('~');
#endif

    /* Expand inline environment variables */
#ifdef __VISAGECPP__
    while (*d)
    {
      *d++ = *s;
      if(*s == wxT('\\'))
      {
        *(d - 1) = *++s;
        if (*d)
        {
          s++;
          continue;
        }
        else
           break;
      }
      else
#else
    while ((*d++ = *s) != 0) {
#  ifndef __WINDOWS__
        if (*s == wxT('\\')) {
            if ((*(d - 1) = *++s)!=0) {
                s++;
                continue;
            } else
                break;
        } else
#  endif
#endif
            // No env variables on WinCE
#ifndef __WXWINCE__
#ifdef __WINDOWS__
        if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
#else
        if (*s++ == wxT('$'))
#endif
        {
            register CharType  *start = d;
            register int     braces = (*s == wxT('{') || *s == wxT('('));
            register CharType  *value;
            while ((*d++ = *s) != 0)
                if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
                    break;
                else
                    s++;
            *--d = 0;
            value = wxGetenv(braces ? start + 1 : start);
            if (value) {
                for ((d = start - 1); (*d++ = *value++) != 0;)
                {
                    // Empty
                }

                d--;
                if (braces && *s)
                    s++;
            }
        }
#endif
        // __WXWINCE__
    }

    /* Expand ~ and ~user */
    wxString homepath;
    nm = lnm;
    if (nm[0] == wxT('~') && !q)
    {
        /* prefix ~ */
        if (nm[1] == SEP || nm[1] == 0)
        {        /* ~/filename */
            homepath = wxGetUserHome(wxEmptyString);
            if (!homepath.empty()) {
                s = (CharType*)(const CharType*)homepath.c_str();
                if (*++nm)
                    nm++;
            }
        } else
        {                /* ~user/filename */
            register CharType  *nnm;
            for (s = nm; *s && *s != SEP; s++)
            {
                // Empty
            }
            int was_sep; /* MATTHEW: Was there a separator, or NULL? */
            was_sep = (*s == SEP);
            nnm = *s ? s + 1 : s;
            *s = 0;
            homepath = wxGetUserHome(wxString(nm + 1));
            if (homepath.empty())
            {
                if (was_sep) /* replace only if it was there: */
                    *s = SEP;
                s = NULL;
            }
            else
            {
                nm = nnm;
                s = (CharType*)(const CharType*)homepath.c_str();
            }
        }
    }

    d = buf;
    if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
        /* Copy home dir */
        while (wxT('\0') != (*d++ = *s++))
          /* loop */;
        // Handle root home
        if (d - 1 > buf && *(d - 2) != SEP)
          *(d - 1) = SEP;
    }
    s = nm;
    while ((*d++ = *s++) != 0)
    {
        // Empty
    }
    delete[] nm_tmp; // clean up alloc
    /* Now clean up the buffer */
    return wxRealPath(buf);
}

char *wxExpandPath(char *buf, const wxString& name)
{
    return wxDoExpandPath(buf, name);
}

wchar_t *wxExpandPath(wchar_t *buf, const wxString& name)
{
    return wxDoExpandPath(buf, name);
}


/* Contract Paths to be build upon an environment variable
   component:

   example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib

   The call wxExpandPath can convert these back!
 */
wxChar *
wxContractPath (const wxString& filename,
                const wxString& WXUNUSED_IN_WINCE(envname),
                const wxString& user)
{
  static wxChar dest[_MAXPATHLEN];

  if (filename.empty())
    return NULL;

  wxStrcpy (dest, filename);
#ifdef __WINDOWS__
  wxUnix2DosFilename(dest);
#endif

  // Handle environment
  wxString val;
#ifndef __WXWINCE__
  wxChar *tcp;
  if (!envname.empty() && !(val = wxGetenv (envname)).empty() &&
     (tcp = wxStrstr (dest, val)) != NULL)
    {
        wxStrcpy (wxFileFunctionsBuffer, tcp + val.length());
        *tcp++ = wxT('$');
        *tcp++ = wxT('{');
        wxStrcpy (tcp, envname);
        wxStrcat (tcp, wxT("}"));
        wxStrcat (tcp, wxFileFunctionsBuffer);
    }
#endif

  // Handle User's home (ignore root homes!)
  val = wxGetUserHome (user);
  if (val.empty())
    return dest;

  const size_t len = val.length();
  if (len <= 2)
    return dest;

  if (wxStrncmp(dest, val, len) == 0)
  {
    wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
    if (!user.empty())
           wxStrcat(wxFileFunctionsBuffer, user);
    wxStrcat(wxFileFunctionsBuffer, dest + len);
    wxStrcpy (dest, wxFileFunctionsBuffer);
  }

  return dest;
}

#endif // #if WXWIN_COMPATIBILITY_2_8

// Return just the filename, not the path (basename)
wxChar *wxFileNameFromPath (wxChar *path)
{
    wxString p = path;
    wxString n = wxFileNameFromPath(p);

    return path + p.length() - n.length();
}

wxString wxFileNameFromPath (const wxString& path)
{
    return wxFileName(path).GetFullName();
}

// Return just the directory, or NULL if no directory
wxChar *
wxPathOnly (wxChar *path)
{
    if (path && *path)
    {
        static wxChar buf[_MAXPATHLEN];

        // Local copy
        wxStrcpy (buf, path);

        int l = wxStrlen(path);
        int i = l - 1;

        // Search backward for a backward or forward slash
        while (i > -1)
        {
            // Unix like or Windows
            if (path[i] == wxT('/') || path[i] == wxT('\\'))
            {
                buf[i] = 0;
                return buf;
            }
#ifdef __VMS__
            if (path[i] == wxT(']'))
            {
                buf[i+1] = 0;
                return buf;
            }
#endif
            i --;
        }

#if defined(__WINDOWS__) || defined(__OS2__)
        // Try Drive specifier
        if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
        {
            // A:junk --> A:. (since A:.\junk Not A:\junk)
            buf[2] = wxT('.');
            buf[3] = wxT('\0');
            return buf;
        }
#endif
    }
    return NULL;
}

// Return just the directory, or NULL if no directory
wxString wxPathOnly (const wxString& path)
{
    if (!path.empty())
    {
        wxChar buf[_MAXPATHLEN];

        // Local copy
        wxStrcpy(buf, path);

        int l = path.length();
        int i = l - 1;

        // Search backward for a backward or forward slash
        while (i > -1)
        {
            // Unix like or Windows
            if (path[i] == wxT('/') || path[i] == wxT('\\'))
            {
                // Don't return an empty string
                if (i == 0)
                    i ++;
                buf[i] = 0;
                return wxString(buf);
            }
#ifdef __VMS__
            if (path[i] == wxT(']'))
            {
                buf[i+1] = 0;
                return wxString(buf);
            }
#endif
            i --;
        }

#if defined(__WINDOWS__) || defined(__OS2__)
        // Try Drive specifier
        if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
        {
            // A:junk --> A:. (since A:.\junk Not A:\junk)
            buf[2] = wxT('.');
            buf[3] = wxT('\0');
            return wxString(buf);
        }
#endif
    }
    return wxEmptyString;
}

// Utility for converting delimiters in DOS filenames to UNIX style
// and back again - or we get nasty problems with delimiters.
// Also, convert to lower case, since case is significant in UNIX.

#if defined(__WXMAC__) && !defined(__WXOSX_IPHONE__)

#define kDefaultPathStyle kCFURLPOSIXPathStyle

wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent )
{
    CFURLRef fullURLRef;
    fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
    if ( fullURLRef == NULL)
        return wxEmptyString;
    
    if ( additionalPathComponent )
    {
        CFURLRef parentURLRef = fullURLRef ;
        fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
            additionalPathComponent,false);
        CFRelease( parentURLRef ) ;
    }
    wxCFStringRef cfString( CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle ));
    CFRelease( fullURLRef ) ;

    return wxCFStringRef::AsStringWithNormalizationFormC(cfString);
}

OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
{
    OSStatus err = noErr ;
    CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(path));
    CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
    CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
    CFRelease( cfMutableString );
    if ( NULL != url )
    {
        if ( CFURLGetFSRef(url, fsRef) == false )
            err = fnfErr ;
        CFRelease( url ) ;
    }
    else
    {
        err = fnfErr ;
    }
    return err ;
}

wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
{
    wxCFStringRef cfname( CFStringCreateWithCharacters( kCFAllocatorDefault,
                                                      uniname->unicode,
                                                      uniname->length ) );
    return wxCFStringRef::AsStringWithNormalizationFormC(cfname);
}

#ifndef __LP64__

wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
{
    FSRef fsRef ;
    if ( FSpMakeFSRef( spec , &fsRef) == noErr )
    {
        return wxMacFSRefToPath( &fsRef ) ;
    }
    return wxEmptyString ;
}

void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
{
    OSStatus err = noErr;
    FSRef fsRef;
    wxMacPathToFSRef( path , &fsRef );
    err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
    verify_noerr( err );
}
#endif

#endif // __WXMAC__


#if WXWIN_COMPATIBILITY_2_8

template<typename T>
static void wxDoDos2UnixFilename(T *s)
{
  if (s)
    while (*s)
      {
        if (*s == wxT('\\'))
          *s = wxT('/');
#ifdef __WINDOWS__
        else
          *s = wxTolower(*s);        // Case INDEPENDENT
#endif
        s++;
      }
}

void wxDos2UnixFilename(char *s) { wxDoDos2UnixFilename(s); }
void wxDos2UnixFilename(wchar_t *s) { wxDoDos2UnixFilename(s); }

template<typename T>
static void
#if defined(__WINDOWS__) || defined(__OS2__)
wxDoUnix2DosFilename(T *s)
#else
wxDoUnix2DosFilename(T *WXUNUSED(s) )
#endif
{
// Yes, I really mean this to happen under DOS only! JACS
#if defined(__WINDOWS__) || defined(__OS2__)
  if (s)
    while (*s)
      {
        if (*s == wxT('/'))
          *s = wxT('\\');
        s++;
      }
#endif
}

void wxUnix2DosFilename(char *s) { wxDoUnix2DosFilename(s); }
void wxUnix2DosFilename(wchar_t *s) { wxDoUnix2DosFilename(s); }

#endif // #if WXWIN_COMPATIBILITY_2_8

// Concatenate two files to form third
bool
wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
{
#if wxUSE_FILE

    wxFile in1(file1), in2(file2);
    wxTempFile out(file3);

    if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
        return false;

    ssize_t ofs;
    unsigned char buf[1024];

    for( int i=0; i<2; i++)
    {
        wxFile *in = i==0 ? &in1 : &in2;
        do{
            if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
            if ( ofs > 0 )
                if ( !out.Write(buf,ofs) )
                    return false;
        } while ( ofs == (ssize_t)WXSIZEOF(buf) );
    }

    return out.Commit();

#else

    wxUnusedVar(file1);
    wxUnusedVar(file2);
    wxUnusedVar(file3);
    return false;

#endif
}

// helper of generic implementation of wxCopyFile()
#if !(defined(__WIN32__) || defined(__OS2__)) && wxUSE_FILE

static bool
wxDoCopyFile(wxFile& fileIn,
             const wxStructStat& fbuf,
             const wxString& filenameDst,
             bool overwrite)
{
    // reset the umask as we want to create the file with exactly the same
    // permissions as the original one
    wxCHANGE_UMASK(0);

    // create file2 with the same permissions than file1 and open it for
    // writing

    wxFile fileOut;
    if ( !fileOut.Create(filenameDst, overwrite, fbuf.st_mode & 0777) )
        return false;

    // copy contents of file1 to file2
    char buf[4096];
    for ( ;; )
    {
        ssize_t count = fileIn.Read(buf, WXSIZEOF(buf));
        if ( count == wxInvalidOffset )
            return false;

        // end of file?
        if ( !count )
            break;

        if ( fileOut.Write(buf, count) < (size_t)count )
            return false;
    }

    // we can expect fileIn to be closed successfully, but we should ensure
    // that fileOut was closed as some write errors (disk full) might not be
    // detected before doing this
    return fileIn.Close() && fileOut.Close();
}

#endif // generic implementation of wxCopyFile

// Copy files
bool
wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
{
#if defined(__WIN32__) && !defined(__WXMICROWIN__)
    // CopyFile() copies file attributes and modification time too, so use it
    // instead of our code if available
    //
    // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
    if ( !::CopyFile(file1.t_str(), file2.t_str(), !overwrite) )
    {
        wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
                      file1.c_str(), file2.c_str());

        return false;
    }
#elif defined(__OS2__)
    if ( ::DosCopy(file1.c_str(), file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
        return false;
#elif wxUSE_FILE // !Win32

    wxStructStat fbuf;
    // get permissions of file1
    if ( wxStat( file1, &fbuf) != 0 )
    {
        // the file probably doesn't exist or we haven't the rights to read
        // from it anyhow
        wxLogSysError(_("Impossible to get permissions for file '%s'"),
                      file1.c_str());
        return false;
    }

    // open file1 for reading
    wxFile fileIn(file1, wxFile::read);
    if ( !fileIn.IsOpened() )
        return false;

    // remove file2, if it exists. This is needed for creating
    // file2 with the correct permissions in the next step
    if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
    {
        wxLogSysError(_("Impossible to overwrite the file '%s'"),
                      file2.c_str());
        return false;
    }

    wxDoCopyFile(fileIn, fbuf, file2, overwrite);

#if defined(__WXMAC__) || defined(__WXCOCOA__)
    // copy the resource fork of the file too if it's present
    wxString pathRsrcOut;
    wxFile fileRsrcIn;

    {
        // suppress error messages from this block as resource forks don't have
        // to exist
        wxLogNull noLog;

        // it's not enough to check for file existence: it always does on HFS
        // but is empty for files without resources
        if ( fileRsrcIn.Open(file1 + wxT("/..namedfork/rsrc")) &&
                fileRsrcIn.Length() > 0 )
        {
            // we must be using HFS or another filesystem with resource fork
            // support, suppose that destination file system also is HFS[-like]
            pathRsrcOut = file2 + wxT("/..namedfork/rsrc");
        }
        else // check if we have resource fork in separate file (non-HFS case)
        {
            wxFileName fnRsrc(file1);
            fnRsrc.SetName(wxT("._") + fnRsrc.GetName());

            fileRsrcIn.Close();
            if ( fileRsrcIn.Open( fnRsrc.GetFullPath() ) )
            {
                fnRsrc = file2;
                fnRsrc.SetName(wxT("._") + fnRsrc.GetName());

                pathRsrcOut = fnRsrc.GetFullPath();
            }
        }
    }

    if ( !pathRsrcOut.empty() )
    {
        if ( !wxDoCopyFile(fileRsrcIn, fbuf, pathRsrcOut, overwrite) )
            return false;
    }
#endif // wxMac || wxCocoa

#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
    // no chmod in VA.  Should be some permission API for HPFS386 partitions
    // however
    if ( chmod(file2.fn_str(), fbuf.st_mode) != 0 )
    {
        wxLogSysError(_("Impossible to set permissions for the file '%s'"),
                      file2.c_str());
        return false;
    }
#endif // OS/2 || Mac

#else // !Win32 && ! wxUSE_FILE

    // impossible to simulate with wxWidgets API
    wxUnusedVar(file1);
    wxUnusedVar(file2);
    wxUnusedVar(overwrite);
    return false;

#endif // __WINDOWS__ && __WIN32__

    return true;
}

bool
wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
{
    if ( !overwrite && wxFileExists(file2) )
    {
        wxLogSysError
        (
            _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
            file1.c_str(), file2.c_str()
        );

        return false;
    }

#if !defined(__WXWINCE__)
    // Normal system call
  if ( wxRename (file1, file2) == 0 )
    return true;
#endif

  // Try to copy
  if (wxCopyFile(file1, file2, overwrite)) {
    wxRemoveFile(file1);
    return true;
  }
  // Give up
  wxLogSysError(_("File '%s' couldn't be renamed '%s'"), file1, file2);
  return false;
}

bool wxRemoveFile(const wxString& file)
{
#if defined(__VISUALC__) \
 || defined(__BORLANDC__) \
 || defined(__WATCOMC__) \
 || defined(__DMC__) \
 || defined(__GNUWIN32__)
    int res = wxRemove(file);
#elif defined(__WXMAC__)
    int res = unlink(file.fn_str());
#else
    int res = unlink(file.fn_str());
#endif
    if ( res )
    {
        wxLogSysError(_("File '%s' couldn't be removed"), file);
    }
    return res == 0;
}

bool wxMkdir(const wxString& dir, int perm)
{
#if defined(__WXMAC__) && !defined(__UNIX__)
    if ( mkdir(dir.fn_str(), 0) != 0 )

    // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
    // for the GNU compiler
#elif (!(defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__))) || \
      (defined(__GNUWIN32__) && !defined(__MINGW32__)) ||                \
      defined(__WINE__) || defined(__WXMICROWIN__)
    const wxChar *dirname = dir.c_str();
  #if defined(MSVCRT)
    wxUnusedVar(perm);
    if ( mkdir(wxFNCONV(dirname)) != 0 )
  #else
    if ( mkdir(wxFNCONV(dirname), perm) != 0 )
  #endif
#elif defined(__OS2__)
    wxUnusedVar(perm);
    if (::DosCreateDir(dir.c_str(), NULL) != 0) // enhance for EAB's??
#elif defined(__DOS__)
    const wxChar *dirname = dir.c_str();
  #if defined(__WATCOMC__)
    (void)perm;
    if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
  #elif defined(__DJGPP__)
    if ( mkdir(wxFNCONV(dirname), perm) != 0 )
  #else
    #error "Unsupported DOS compiler!"
  #endif
#else  // !MSW, !DOS and !OS/2 VAC++
    wxUnusedVar(perm);
  #ifdef __WXWINCE__
    if ( CreateDirectory(dir.fn_str(), NULL) == 0 )
  #else
    if ( wxMkDir(dir.fn_str()) != 0 )
  #endif
#endif // !MSW/MSW
    {
        wxLogSysError(_("Directory '%s' couldn't be created"), dir);
        return false;
    }

    return true;
}

bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
{
#if defined(__VMS__)
    return false; //to be changed since rmdir exists in VMS7.x
#else
  #if defined(__OS2__)
    if ( ::DosDeleteDir(dir.c_str()) != 0 )
  #elif defined(__WXWINCE__)
    if ( RemoveDirectory(dir.fn_str()) == 0 )
  #else
    if ( wxRmDir(dir.fn_str()) != 0 )
  #endif
    {
        wxLogSysError(_("Directory '%s' couldn't be deleted"), dir);
        return false;
    }

    return true;
#endif
}

// does the path exists? (may have or not '/' or '\\' at the end)
bool wxDirExists(const wxString& pathName)
{
    return wxFileName::DirExists(pathName);
}

#if WXWIN_COMPATIBILITY_2_8

// Get a temporary filename, opening and closing the file.
wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
{
    wxString filename;
    if ( !wxGetTempFileName(prefix, filename) )
        return NULL;

    if ( buf )
        wxStrcpy(buf, filename);
    else
        buf = MYcopystring(filename);

    return buf;
}

bool wxGetTempFileName(const wxString& prefix, wxString& buf)
{
#if wxUSE_FILE
    buf = wxFileName::CreateTempFileName(prefix);

    return !buf.empty();
#else // !wxUSE_FILE
    wxUnusedVar(prefix);
    wxUnusedVar(buf);

    return false;
#endif // wxUSE_FILE/!wxUSE_FILE
}

#endif // #if WXWIN_COMPATIBILITY_2_8

// Get first file name matching given wild card.

static wxDir *gs_dir = NULL;
static wxString gs_dirPath;

wxString wxFindFirstFile(const wxString& spec, int flags)
{
    wxFileName::SplitPath(spec, &gs_dirPath, NULL, NULL);
    if ( gs_dirPath.empty() )
        gs_dirPath = wxT(".");
    if ( !wxEndsWithPathSeparator(gs_dirPath ) )
        gs_dirPath << wxFILE_SEP_PATH;

    delete gs_dir; // can be NULL, this is ok
    gs_dir = new wxDir(gs_dirPath);

    if ( !gs_dir->IsOpened() )
    {
        wxLogSysError(_("Cannot enumerate files '%s'"), spec);
        return wxEmptyString;
    }

    int dirFlags;
    switch (flags)
    {
        case wxDIR:  dirFlags = wxDIR_DIRS; break;
        case wxFILE: dirFlags = wxDIR_FILES; break;
        default:     dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
    }

    wxString result;
    gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
    if ( result.empty() )
    {
        wxDELETE(gs_dir);
        return result;
    }

    return gs_dirPath + result;
}

wxString wxFindNextFile()
{
    wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );

    wxString result;
    gs_dir->GetNext(&result);

    if ( result.empty() )
    {
        wxDELETE(gs_dir);
        return result;
    }

    return gs_dirPath + result;
}


// Get current working directory.
// If buf is NULL, allocates space using new, else copies into buf.
// wxGetWorkingDirectory() is obsolete, use wxGetCwd()
// wxDoGetCwd() is their common core to be moved
// to wxGetCwd() once wxGetWorkingDirectory() will be removed.
// Do not expose wxDoGetCwd in headers!

wxChar *wxDoGetCwd(wxChar *buf, int sz)
{
#if defined(__WXWINCE__)
    // TODO
    if(buf && sz>0) buf[0] = wxT('\0');
    return buf;
#else
    if ( !buf )
    {
        buf = new wxChar[sz + 1];
    }

    bool ok wxDUMMY_INITIALIZE(false);

    // for the compilers which have Unicode version of _getcwd(), call it
    // directly, for the others call the ANSI version and do the translation
#if !wxUSE_UNICODE
    #define cbuf buf
#else // wxUSE_UNICODE
    bool needsANSI = true;

    #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
        char cbuf[_MAXPATHLEN];
    #endif

    #ifdef HAVE_WGETCWD
        #if wxUSE_UNICODE_MSLU
            if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
        #else
            char *cbuf = NULL; // never really used because needsANSI will always be false
        #endif
            {
                ok = _wgetcwd(buf, sz) != NULL;
                needsANSI = false;
            }
    #endif

    if ( needsANSI )
#endif // wxUSE_UNICODE
    {
    #if defined(_MSC_VER) || defined(__MINGW32__)
        ok = _getcwd(cbuf, sz) != NULL;
    #elif defined(__OS2__)
        APIRET rc;
        ULONG ulDriveNum = 0;
        ULONG ulDriveMap = 0;
        rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
        ok = rc == 0;
        if (ok)
        {
            sz -= 3;
            rc = ::DosQueryCurrentDir( 0 // current drive
                                      ,(PBYTE)cbuf + 3
                                      ,(PULONG)&sz
                                     );
            cbuf[0] = char('A' + (ulDriveNum - 1));
            cbuf[1] = ':';
            cbuf[2] = '\\';
            ok = rc == 0;
        }
    #else // !Win32/VC++ !Mac !OS2
        ok = getcwd(cbuf, sz) != NULL;
    #endif // platform

    #if wxUSE_UNICODE
        // finally convert the result to Unicode if needed
        wxConvFile.MB2WC(buf, cbuf, sz);
    #endif // wxUSE_UNICODE
    }

    if ( !ok )
    {
        wxLogSysError(_("Failed to get the working directory"));

        // VZ: the old code used to return "." on error which didn't make any
        //     sense at all to me - empty string is a better error indicator
        //     (NULL might be even better but I'm afraid this could lead to
        //     problems with the old code assuming the return is never NULL)
        buf[0] = wxT('\0');
    }
    else // ok, but we might need to massage the path into the right format
    {
#ifdef __DJGPP__
        // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
        //     with / deliminers. We don't like that.
        for (wxChar *ch = buf; *ch; ch++)
        {
            if (*ch == wxT('/'))
                *ch = wxT('\\');
        }
#endif // __DJGPP__

// MBN: we hope that in the case the user is compiling a GTK+/Motif app,
//      he needs Unix as opposed to Win32 pathnames
#if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
        // another example of DOS/Unix mix (Cygwin)
        wxString pathUnix = buf;
#if wxUSE_UNICODE
    #if CYGWIN_VERSION_DLL_MAJOR >= 1007
        cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
    #else
        char bufA[_MAXPATHLEN];
        cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
        wxConvFile.MB2WC(buf, bufA, sz);
    #endif
#else
    #if CYGWIN_VERSION_DLL_MAJOR >= 1007
        cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
    #else
        cygwin_conv_to_full_win32_path(pathUnix, buf);
    #endif
#endif // wxUSE_UNICODE
#endif // __CYGWIN__
    }

    return buf;

#if !wxUSE_UNICODE
    #undef cbuf
#endif

#endif
    // __WXWINCE__
}

#if WXWIN_COMPATIBILITY_2_6
wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
{
    return wxDoGetCwd(buf,sz);
}
#endif // WXWIN_COMPATIBILITY_2_6

wxString wxGetCwd()
{
    wxString str;
    wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
    return str;
}

bool wxSetWorkingDirectory(const wxString& d)
{
    bool success = false;
#if defined(__OS2__)
    if (d[1] == ':')
    {
        ::DosSetDefaultDisk(wxToupper(d[0]) - wxT('A') + 1);
    // do not call DosSetCurrentDir when just changing drive,
    // since it requires e.g. "d:." instead of "d:"!
    if (d.length() == 2)
        return true;
    }
    success = (::DosSetCurrentDir(d.c_str()) == 0);
#elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
    success = (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
#elif defined(__WINDOWS__)

#ifdef __WIN32__
#ifdef __WXWINCE__
    // No equivalent in WinCE
    wxUnusedVar(d);
#else
    success = (SetCurrentDirectory(d.t_str()) != 0);
#endif
#else
    // Must change drive, too.
    bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
    if (isDriveSpec)
    {
        wxChar firstChar = d[0];

        // To upper case
        if (firstChar > 90)
            firstChar = firstChar - 32;

        // To a drive number
        unsigned int driveNo = firstChar - 64;
        if (driveNo > 0)
        {
            unsigned int noDrives;
            _dos_setdrive(driveNo, &noDrives);
        }
    }
    success = (chdir(WXSTRINGCAST d) == 0);
#endif

#endif
    if ( !success )
    {
       wxLogSysError(_("Could not set current working directory"));
    }
    return success;
}

// Get the OS directory if appropriate (such as the Windows directory).
// On non-Windows platform, probably just return the empty string.
wxString wxGetOSDirectory()
{
#ifdef __WXWINCE__
    return wxString(wxT("\\Windows"));
#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
    wxChar buf[256];
    GetWindowsDirectory(buf, 256);
    return wxString(buf);
#elif defined(__WXMAC__) && wxOSX_USE_CARBON
    return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
#else
    return wxEmptyString;
#endif
}

bool wxEndsWithPathSeparator(const wxString& filename)
{
    return !filename.empty() && wxIsPathSeparator(filename.Last());
}

// find a file in a list of directories, returns false if not found
bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile)
{
    // we assume that it's not empty
    wxCHECK_MSG( !szFile.empty(), false,
                 wxT("empty file name in wxFindFileInPath"));

    // skip path separator in the beginning of the file name if present
    wxString szFile2;
    if ( wxIsPathSeparator(szFile[0u]) )
        szFile2 = szFile.Mid(1);
    else
        szFile2 = szFile;

    wxStringTokenizer tkn(szPath, wxPATH_SEP);

    while ( tkn.HasMoreTokens() )
    {
        wxString strFile = tkn.GetNextToken();
        if ( !wxEndsWithPathSeparator(strFile) )
            strFile += wxFILE_SEP_PATH;
        strFile += szFile2;

        if ( wxFileExists(strFile) )
        {
            *pStr = strFile;
            return true;
        }
    }

    return false;
}

#if WXWIN_COMPATIBILITY_2_8
void WXDLLIMPEXP_BASE wxSplitPath(const wxString& fileName,
                             wxString *pstrPath,
                             wxString *pstrName,
                             wxString *pstrExt)
{
    wxFileName::SplitPath(fileName, pstrPath, pstrName, pstrExt);
}
#endif  // #if WXWIN_COMPATIBILITY_2_8

#if wxUSE_DATETIME

time_t WXDLLIMPEXP_BASE wxFileModificationTime(const wxString& filename)
{
    wxDateTime mtime;
    if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
        return (time_t)-1;

    return mtime.GetTicks();
}

#endif // wxUSE_DATETIME


// Parses the filterStr, returning the number of filters.
// Returns 0 if none or if there's a problem.
// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"

int WXDLLIMPEXP_BASE wxParseCommonDialogsFilter(const wxString& filterStr,
                                           wxArrayString& descriptions,
                                           wxArrayString& filters)
{
    descriptions.Clear();
    filters.Clear();

    wxString str(filterStr);

    wxString description, filter;
    int pos = 0;
    while( pos != wxNOT_FOUND )
    {
        pos = str.Find(wxT('|'));
        if ( pos == wxNOT_FOUND )
        {
            // if there are no '|'s at all in the string just take the entire
            // string as filter and make description empty for later autocompletion
            if ( filters.IsEmpty() )
            {
                descriptions.Add(wxEmptyString);
                filters.Add(filterStr);
            }
            else
            {
                wxFAIL_MSG( wxT("missing '|' in the wildcard string!") );
            }

            break;
        }

        description = str.Left(pos);
        str = str.Mid(pos + 1);
        pos = str.Find(wxT('|'));
        if ( pos == wxNOT_FOUND )
        {
            filter = str;
        }
        else
        {
            filter = str.Left(pos);
            str = str.Mid(pos + 1);
        }

        descriptions.Add(description);
        filters.Add(filter);
    }

#if defined(__WXMOTIF__)
    // split it so there is one wildcard per entry
    for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
    {
        pos = filters[i].Find(wxT(';'));
        if (pos != wxNOT_FOUND)
        {
            // first split only filters
            descriptions.Insert(descriptions[i],i+1);
            filters.Insert(filters[i].Mid(pos+1),i+1);
            filters[i]=filters[i].Left(pos);

            // autoreplace new filter in description with pattern:
            //     C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
            // cause split into:
            //     C/C++ Files(*.cpp)|*.cpp
            //     C/C++ Files(*.c;*.h)|*.c;*.h
            // and next iteration cause another split into:
            //     C/C++ Files(*.cpp)|*.cpp
            //     C/C++ Files(*.c)|*.c
            //     C/C++ Files(*.h)|*.h
            for ( size_t k=i;k<i+2;k++ )
            {
                pos = descriptions[k].Find(filters[k]);
                if (pos != wxNOT_FOUND)
                {
                    wxString before = descriptions[k].Left(pos);
                    wxString after = descriptions[k].Mid(pos+filters[k].Len());
                    pos = before.Find(wxT('('),true);
                    if (pos>before.Find(wxT(')'),true))
                    {
                        before = before.Left(pos+1);
                        before << filters[k];
                        pos = after.Find(wxT(')'));
                        int pos1 = after.Find(wxT('('));
                        if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
                        {
                            before << after.Mid(pos);
                            descriptions[k] = before;
                        }
                    }
                }
            }
        }
    }
#endif

    // autocompletion
    for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
    {
        if ( descriptions[j].empty() && !filters[j].empty() )
        {
            descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
        }
    }

    return filters.GetCount();
}

#if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
static bool wxCheckWin32Permission(const wxString& path, DWORD access)
{
    // quoting the MSDN: "To obtain a handle to a directory, call the
    // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
    // doesn't work under Win9x/ME but then it's not needed there anyhow
    const DWORD dwAttr = ::GetFileAttributes(path.t_str());
    if ( dwAttr == INVALID_FILE_ATTRIBUTES )
    {
        // file probably doesn't exist at all
        return false;
    }

    if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
    {
        // FAT directories always allow all access, even if they have the
        // readonly flag set, and FAT files can only be read-only
        return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ||
                    (access != GENERIC_WRITE ||
                        !(dwAttr & FILE_ATTRIBUTE_READONLY));
    }

    HANDLE h = ::CreateFile
                 (
                    path.t_str(),
                    access,
                    FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                    NULL,
                    OPEN_EXISTING,
                    dwAttr & FILE_ATTRIBUTE_DIRECTORY
                        ? FILE_FLAG_BACKUP_SEMANTICS
                        : 0,
                    NULL
                 );
    if ( h != INVALID_HANDLE_VALUE )
        CloseHandle(h);

    return h != INVALID_HANDLE_VALUE;
}
#endif // __WINDOWS__

bool wxIsWritable(const wxString &path)
{
#if defined( __UNIX__ ) || defined(__OS2__)
    // access() will take in count also symbolic links
    return wxAccess(path.c_str(), W_OK) == 0;
#elif defined( __WINDOWS__ )
    return wxCheckWin32Permission(path, GENERIC_WRITE);
#else
    wxUnusedVar(path);
    // TODO
    return false;
#endif
}

bool wxIsReadable(const wxString &path)
{
#if defined( __UNIX__ ) || defined(__OS2__)
    // access() will take in count also symbolic links
    return wxAccess(path.c_str(), R_OK) == 0;
#elif defined( __WINDOWS__ )
    return wxCheckWin32Permission(path, GENERIC_READ);
#else
    wxUnusedVar(path);
    // TODO
    return false;
#endif
}

bool wxIsExecutable(const wxString &path)
{
#if defined( __UNIX__ ) || defined(__OS2__)
    // access() will take in count also symbolic links
    return wxAccess(path.c_str(), X_OK) == 0;
#elif defined( __WINDOWS__ )
   return wxCheckWin32Permission(path, GENERIC_EXECUTE);
#else
    wxUnusedVar(path);
    // TODO
    return false;
#endif
}

// Return the type of an open file
//
// Some file types on some platforms seem seekable but in fact are not.
// The main use of this function is to allow such cases to be detected
// (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
//
// This is important for the archive streams, which benefit greatly from
// being able to seek on a stream, but which will produce corrupt archives
// if they unknowingly seek on a non-seekable stream.
//
// wxFILE_KIND_DISK is a good catch all return value, since other values
// disable features of the archive streams. Some other value must be returned
// for a file type that appears seekable but isn't.
//
// Known examples:
//   *  Pipes on Windows
//   *  Files on VMS with a record format other than StreamLF
//
wxFileKind wxGetFileKind(int fd)
{
#if defined __WINDOWS__ && !defined __WXWINCE__ && defined wxGetOSFHandle
    switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
    {
        case FILE_TYPE_CHAR:
            return wxFILE_KIND_TERMINAL;
        case FILE_TYPE_DISK:
            return wxFILE_KIND_DISK;
        case FILE_TYPE_PIPE:
            return wxFILE_KIND_PIPE;
    }

    return wxFILE_KIND_UNKNOWN;

#elif defined(__UNIX__)
    if (isatty(fd))
        return wxFILE_KIND_TERMINAL;

    struct stat st;
    fstat(fd, &st);

    if (S_ISFIFO(st.st_mode))
        return wxFILE_KIND_PIPE;
    if (!S_ISREG(st.st_mode))
        return wxFILE_KIND_UNKNOWN;

    #if defined(__VMS__)
        if (st.st_fab_rfm != FAB$C_STMLF)
            return wxFILE_KIND_UNKNOWN;
    #endif

    return wxFILE_KIND_DISK;

#else
    #define wxFILEKIND_STUB
    (void)fd;
    return wxFILE_KIND_DISK;
#endif
}

wxFileKind wxGetFileKind(FILE *fp)
{
    // Note: The watcom rtl dll doesn't have fileno (the static lib does).
    //       Should be fixed in version 1.4.
#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
    (void)fp;
    return wxFILE_KIND_DISK;
#elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
    return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
#else
    return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
#endif
}


//------------------------------------------------------------------------
// wild character routines
//------------------------------------------------------------------------

bool wxIsWild( const wxString& pattern )
{
    for ( wxString::const_iterator p = pattern.begin(); p != pattern.end(); ++p )
    {
        switch ( (*p).GetValue() )
        {
            case wxT('?'):
            case wxT('*'):
            case wxT('['):
            case wxT('{'):
                return true;

            case wxT('\\'):
                if ( ++p == pattern.end() )
                    return false;
        }
    }
    return false;
}

/*
* Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
*
* The match procedure is public domain code (from ircII's reg.c)
* but modified to suit our tastes (RN: No "%" syntax I guess)
*/

bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
{
    if (text.empty())
    {
        /* Match if both are empty. */
        return pat.empty();
    }

    const wxChar *m = pat.c_str(),
    *n = text.c_str(),
    *ma = NULL,
    *na = NULL;
    int just = 0,
    acount = 0,
    count = 0;

    if (dot_special && (*n == wxT('.')))
    {
        /* Never match so that hidden Unix files
         * are never found. */
        return false;
    }

    for (;;)
    {
        if (*m == wxT('*'))
        {
            ma = ++m;
            na = n;
            just = 1;
            acount = count;
        }
        else if (*m == wxT('?'))
        {
            m++;
            if (!*n++)
                return false;
        }
        else
        {
            if (*m == wxT('\\'))
            {
                m++;
                /* Quoting "nothing" is a bad thing */
                if (!*m)
                    return false;
            }
            if (!*m)
            {
                /*
                * If we are out of both strings or we just
                * saw a wildcard, then we can say we have a
                * match
                */
                if (!*n)
                    return true;
                if (just)
                    return true;
                just = 0;
                goto not_matched;
            }
            /*
            * We could check for *n == NULL at this point, but
            * since it's more common to have a character there,
            * check to see if they match first (m and n) and
            * then if they don't match, THEN we can check for
            * the NULL of n
            */
            just = 0;
            if (*m == *n)
            {
                m++;
                count++;
                n++;
            }
            else
            {

                not_matched:

                /*
                * If there are no more characters in the
                * string, but we still need to find another
                * character (*m != NULL), then it will be
                * impossible to match it
                */
                if (!*n)
                    return false;

                if (ma)
                {
                    m = ma;
                    n = ++na;
                    count = acount;
                }
                else
                    return false;
            }
        }
    }
}

#ifdef __VISUALC__
    #pragma warning(default:4706)   // assignment within conditional expression
#endif // VC++
Back to Top