src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34 #include "wx/file.h"
  35 #include "wx/filename.h"
  36
  37 // there are just too many of those...
  38 #ifdef __VISUALC__
  39     #pragma warning(disable:4706)   // assignment within conditional expression
  40 #endif // VC++
  41
  42 #include <ctype.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #if !defined(__WATCOMC__)
  47     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  48         #include <errno.h>
  49     #endif
  50 #endif
  51
  52 #include <time.h>
  53
  54 #ifndef __MWERKS__
  55     #include <sys/types.h>
  56     #include <sys/stat.h>
  57 #else
  58     #include <stat.h>
  59     #include <unistd.h>
  60 #endif
  61
  62 #ifdef __UNIX__
  63     #include <unistd.h>
  64     #include <dirent.h>
  65 #endif
  66
  67 #ifdef __WXPM__
  68     #include <process.h>
  69     #include "wx/os2/private.h"
  70 #endif
  71 #ifdef __WINDOWS__
  72 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  73     #include <direct.h>
  74     #include <dos.h>
  75     #include <io.h>
  76 #endif // __WINDOWS__
  77 #endif // native Win compiler
  78
  79 #ifdef __GNUWIN32__
  80     #ifndef __TWIN32__
  81         #include <sys/unistd.h>
  82     #endif
  83 #endif
  84
  85 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  86                     // this (3.1 I believe) and how to test for it.
  87                     // If this works for Borland 4.0 as well, then no worries.
  88     #include <dir.h>
  89 #endif
  90
  91 #ifdef __SALFORDC__
  92     #include <dir.h>
  93     #include <unix.h>
  94 #endif
  95
  96 #include "wx/setup.h"
  97 #include "wx/log.h"
  98
  99 // No, Cygwin doesn't appear to have fnmatch.h after all.
 100 #if defined(HAVE_FNMATCH_H)
 101     #include "fnmatch.h"
 102 #endif
 103
 104 #ifdef __WINDOWS__
 105     #include <windows.h>
 106 #endif
 107
 108 // ----------------------------------------------------------------------------
 109 // constants
 110 // ----------------------------------------------------------------------------
 111
 112 #define _MAXPATHLEN 500
 113
 114 extern wxChar *wxBuffer;
 115
 116 #ifdef __WXMAC__
 117 #include "morefile.h"
 118 #include "moreextr.h"
 119 #include "fullpath.h"
 120 #include "fspcompa.h"
 121 #endif
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 124
 125 // ----------------------------------------------------------------------------
 126 // private globals
 127 // ----------------------------------------------------------------------------
 128
 129 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 130
 131 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 132 //
 133 // VisualAge C++ V4.0 cannot have any external linkage const decs
 134 // in headers included by more than one primary source
 135 //
 136 const off_t wxInvalidOffset = (off_t)-1;
 137 #endif
 138
 139 // ----------------------------------------------------------------------------
 140 // macros
 141 // ----------------------------------------------------------------------------
 142
 143 // we need to translate Mac filenames before passing them to OS functions
 144 #ifdef __MAC__
 145     #define OS_FILENAME(s) (wxUnix2MacFilename(s))
 146 #else
 147     #define OS_FILENAME(s) (s.fn_str())
 148 #endif
 149
 150 // ============================================================================
 151 // implementation
 152 // ============================================================================
 153
 154 void wxPathList::Add (const wxString& path)
 155 {
 156     wxStringList::Add (WXSTRINGCAST path);
 157 }
 158
 159 // Add paths e.g. from the PATH environment variable
 160 void wxPathList::AddEnvList (const wxString& envVariable)
 161 {
 162   static const wxChar PATH_TOKS[] =
 163 #ifdef __WINDOWS__
 164         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 165 #else
 166         wxT(" :;");
 167 #endif
 168
 169   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 170   if (val && *val)
 171     {
 172       wxChar *s = copystring (val);
 173       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 174
 175       if (token)
 176       {
 177           Add (copystring (token));
 178           while (token)
 179           {
 180               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 181                   Add (wxString(token));
 182           }
 183       }
 184
 185       // suppress warning about unused variable save_ptr when wxStrtok() is a
 186       // macro which throws away its third argument
 187       save_ptr = token;
 188
 189       delete [] s;
 190     }
 191 }
 192
 193 // Given a full filename (with path), ensure that that file can
 194 // be accessed again USING FILENAME ONLY by adding the path
 195 // to the list if not already there.
 196 void wxPathList::EnsureFileAccessible (const wxString& path)
 197 {
 198     wxString path_only(wxPathOnly(path));
 199     if ( !path_only.IsEmpty() )
 200     {
 201         if ( !Member(path_only) )
 202             Add(path_only);
 203     }
 204 }
 205
 206 bool wxPathList::Member (const wxString& path)
 207 {
 208   for (wxNode * node = First (); node != NULL; node = node->Next ())
 209   {
 210       wxString path2((wxChar *) node->Data ());
 211       if (
 212 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 213       // Case INDEPENDENT
 214           path.CompareTo (path2, wxString::ignoreCase) == 0
 215 #else
 216       // Case sensitive File System
 217           path.CompareTo (path2) == 0
 218 #endif
 219         )
 220         return TRUE;
 221   }
 222   return FALSE;
 223 }
 224
 225 wxString wxPathList::FindValidPath (const wxString& file)
 226 {
 227   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 228     return wxString(wxFileFunctionsBuffer);
 229
 230   wxChar buf[_MAXPATHLEN];
 231   wxStrcpy(buf, wxFileFunctionsBuffer);
 232
 233   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 234   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 235
 236   for (wxNode * node = First (); node; node = node->Next ())
 237     {
 238       wxChar *path = (wxChar *) node->Data ();
 239       wxStrcpy (wxFileFunctionsBuffer, path);
 240       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 241       if (ch != wxT('\\') && ch != wxT('/'))
 242         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 243       wxStrcat (wxFileFunctionsBuffer, filename);
 244 #ifdef __WINDOWS__
 245       Unix2DosFilename (wxFileFunctionsBuffer);
 246 #endif
 247       if (wxFileExists (wxFileFunctionsBuffer))
 248       {
 249         return wxString(wxFileFunctionsBuffer);        // Found!
 250       }
 251     }                                // for()
 252
 253   return wxString(wxT(""));                    // Not found
 254 }
 255
 256 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 257 {
 258     wxString f = FindValidPath(file);
 259     if ( wxIsAbsolutePath(f) )
 260         return f;
 261
 262     wxString buf;
 263     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 264     buf.UngetWriteBuf();
 265     if ( !wxEndsWithPathSeparator(buf) )
 266     {
 267         buf += wxFILE_SEP_PATH;
 268     }
 269     buf += f;
 270
 271     return buf;
 272 }
 273
 274 bool
 275 wxFileExists (const wxString& filename)
 276 {
 277 #ifdef __GNUWIN32__ // (fix a B20 bug)
 278     return GetFileAttributes(filename) != 0xFFFFFFFF;
 279 #else
 280     wxStructStat stbuf;
 281     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 282         return TRUE;
 283
 284     return FALSE;
 285 #endif
 286 }
 287
 288 bool
 289 wxIsAbsolutePath (const wxString& filename)
 290 {
 291   if (filename != wxT(""))
 292     {
 293       if (filename[0] == wxT('/')
 294 #ifdef __VMS__
 295       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 296 #endif
 297 #ifdef __WINDOWS__
 298       /* MSDOS */
 299       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 300 #endif
 301         )
 302         return TRUE;
 303     }
 304   return FALSE;
 305 }
 306
 307 /*
 308  * Strip off any extension (dot something) from end of file,
 309  * IF one exists. Inserts zero into buffer.
 310  *
 311  */
 312
 313 void wxStripExtension(wxChar *buffer)
 314 {
 315   int len = wxStrlen(buffer);
 316   int i = len-1;
 317   while (i > 0)
 318   {
 319     if (buffer[i] == wxT('.'))
 320     {
 321       buffer[i] = 0;
 322       break;
 323     }
 324     i --;
 325   }
 326 }
 327
 328 void wxStripExtension(wxString& buffer)
 329 {
 330   size_t len = buffer.Length();
 331   size_t i = len-1;
 332   while (i > 0)
 333   {
 334     if (buffer.GetChar(i) == wxT('.'))
 335     {
 336       buffer = buffer.Left(i);
 337       break;
 338     }
 339     i --;
 340   }
 341 }
 342
 343 // Destructive removal of /./ and /../ stuff
 344 wxChar *wxRealPath (wxChar *path)
 345 {
 346 #ifdef __WXMSW__
 347   static const wxChar SEP = wxT('\\');
 348   Unix2DosFilename(path);
 349 #else
 350   static const wxChar SEP = wxT('/');
 351 #endif
 352   if (path[0] && path[1]) {
 353     /* MATTHEW: special case "/./x" */
 354     wxChar *p;
 355     if (path[2] == SEP && path[1] == wxT('.'))
 356       p = &path[0];
 357     else
 358       p = &path[2];
 359     for (; *p; p++)
 360       {
 361         if (*p == SEP)
 362           {
 363             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 364               {
 365                 wxChar *q;
 366                 for (q = p - 1; q >= path && *q != SEP; q--);
 367                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 368                     && (q - 1 <= path || q[-1] != SEP))
 369                   {
 370                     wxStrcpy (q, p + 3);
 371                     if (path[0] == wxT('\0'))
 372                       {
 373                         path[0] = SEP;
 374                         path[1] = wxT('\0');
 375                       }
 376 #ifdef __WXMSW__
 377                     /* Check that path[2] is NULL! */
 378                     else if (path[1] == wxT(':') && !path[2])
 379                       {
 380                         path[2] = SEP;
 381                         path[3] = wxT('\0');
 382                       }
 383 #endif
 384                     p = q - 1;
 385                   }
 386               }
 387             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 388               wxStrcpy (p, p + 2);
 389           }
 390       }
 391   }
 392   return path;
 393 }
 394
 395 // Must be destroyed
 396 wxChar *wxCopyAbsolutePath(const wxString& filename)
 397 {
 398   if (filename == wxT(""))
 399     return (wxChar *) NULL;
 400
 401   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 402     wxChar  buf[_MAXPATHLEN];
 403     buf[0] = wxT('\0');
 404     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 405     wxChar ch = buf[wxStrlen(buf) - 1];
 406 #ifdef __WXMSW__
 407     if (ch != wxT('\\') && ch != wxT('/'))
 408         wxStrcat(buf, wxT("\\"));
 409 #else
 410     if (ch != wxT('/'))
 411         wxStrcat(buf, wxT("/"));
 412 #endif
 413     wxStrcat(buf, wxFileFunctionsBuffer);
 414     return copystring( wxRealPath(buf) );
 415   }
 416   return copystring( wxFileFunctionsBuffer );
 417 }
 418
 419 /*-
 420  Handles:
 421    ~/ => home dir
 422    ~user/ => user's home dir
 423    If the environment variable a = "foo" and b = "bar" then:
 424    Unix:
 425         $a        =>        foo
 426         $a$b        =>        foobar
 427         $a.c        =>        foo.c
 428         xxx$a        =>        xxxfoo
 429         ${a}!        =>        foo!
 430         $(b)!        =>        bar!
 431         \$a        =>        \$a
 432    MSDOS:
 433         $a        ==>        $a
 434         $(a)        ==>        foo
 435         $(a)$b        ==>        foo$b
 436         $(a)$(b)==>        foobar
 437         test.$$        ==>        test.$$
 438  */
 439
 440 /* input name in name, pathname output to buf. */
 441
 442 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 443 {
 444     register wxChar *d, *s, *nm;
 445     wxChar          lnm[_MAXPATHLEN];
 446     int                                q;
 447
 448     // Some compilers don't like this line.
 449 //    const wxChar    trimchars[] = wxT("\n \t");
 450
 451     wxChar      trimchars[4];
 452     trimchars[0] = wxT('\n');
 453     trimchars[1] = wxT(' ');
 454     trimchars[2] = wxT('\t');
 455     trimchars[3] = 0;
 456
 457 #ifdef __WXMSW__
 458      const wxChar     SEP = wxT('\\');
 459 #else
 460      const wxChar     SEP = wxT('/');
 461 #endif
 462     buf[0] = wxT('\0');
 463     if (name == NULL || *name == wxT('\0'))
 464         return buf;
 465     nm = copystring(name); // Make a scratch copy
 466     wxChar *nm_tmp = nm;
 467
 468     /* Skip leading whitespace and cr */
 469     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 470         nm++;
 471     /* And strip off trailing whitespace and cr */
 472     s = nm + (q = wxStrlen(nm)) - 1;
 473     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 474         *s = wxT('\0');
 475
 476     s = nm;
 477     d = lnm;
 478 #ifdef __WXMSW__
 479     q = FALSE;
 480 #else
 481     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 482 #endif
 483
 484     /* Expand inline environment variables */
 485 #ifdef __VISAGECPP__
 486     while (*d)
 487     {
 488       *d++ = *s;
 489       if(*s == wxT('\\'))
 490       {
 491         *(d - 1) = *++s;
 492         if (*d)
 493         {
 494           s++;
 495           continue;
 496         }
 497         else
 498            break;
 499       }
 500       else
 501 #else
 502     while ((*d++ = *s)) {
 503 #  ifndef __WXMSW__
 504         if (*s == wxT('\\')) {
 505             if ((*(d - 1) = *++s)) {
 506                 s++;
 507                 continue;
 508             } else
 509                 break;
 510         } else
 511 #  endif
 512 #endif
 513 #ifdef __WXMSW__
 514         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 515 #else
 516         if (*s++ == wxT('$'))
 517 #endif
 518         {
 519             register wxChar  *start = d;
 520             register int     braces = (*s == wxT('{') || *s == wxT('('));
 521             register wxChar  *value;
 522 #ifdef __VISAGECPP__
 523     // VA gives assignment in logical expr warning
 524             while (*d)
 525                *d++ = *s;
 526 #else
 527             while ((*d++ = *s))
 528 #endif
 529                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 530                     break;
 531                 else
 532                     s++;
 533             *--d = 0;
 534             value = wxGetenv(braces ? start + 1 : start);
 535             if (value) {
 536 #ifdef __VISAGECPP__
 537     // VA gives assignment in logical expr warning
 538                 for ((d = start - 1); (*d); *d++ = *value++);
 539 #else
 540                 for ((d = start - 1); (*d++ = *value++););
 541 #endif
 542                 d--;
 543                 if (braces && *s)
 544                     s++;
 545             }
 546         }
 547     }
 548
 549     /* Expand ~ and ~user */
 550     nm = lnm;
 551     s = wxT("");
 552     if (nm[0] == wxT('~') && !q)
 553     {
 554         /* prefix ~ */
 555         if (nm[1] == SEP || nm[1] == 0)
 556         {        /* ~/filename */
 557         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 558             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 559                 if (*++nm)
 560                     nm++;
 561             }
 562         } else
 563         {                /* ~user/filename */
 564             register wxChar  *nnm;
 565             register wxChar  *home;
 566             for (s = nm; *s && *s != SEP; s++);
 567             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 568             was_sep = (*s == SEP);
 569             nnm = *s ? s + 1 : s;
 570             *s = 0;
 571         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 572             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 573                if (was_sep) /* replace only if it was there: */
 574                    *s = SEP;
 575                 s = wxT("");
 576             } else {
 577                 nm = nnm;
 578                 s = home;
 579             }
 580         }
 581     }
 582
 583     d = buf;
 584     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 585         /* Copy home dir */
 586         while (wxT('\0') != (*d++ = *s++))
 587           /* loop */;
 588         // Handle root home
 589         if (d - 1 > buf && *(d - 2) != SEP)
 590           *(d - 1) = SEP;
 591     }
 592     s = nm;
 593 #ifdef __VISAGECPP__
 594     // VA gives assignment in logical expr warning
 595     while (*d)
 596        *d++ = *s++;
 597 #else
 598     while ((*d++ = *s++));
 599 #endif
 600     delete[] nm_tmp; // clean up alloc
 601     /* Now clean up the buffer */
 602     return wxRealPath(buf);
 603 }
 604
 605 /* Contract Paths to be build upon an environment variable
 606    component:
 607
 608    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 609
 610    The call wxExpandPath can convert these back!
 611  */
 612 wxChar *
 613 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 614 {
 615   static wxChar dest[_MAXPATHLEN];
 616
 617   if (filename == wxT(""))
 618     return (wxChar *) NULL;
 619
 620   wxStrcpy (dest, WXSTRINGCAST filename);
 621 #ifdef __WXMSW__
 622   Unix2DosFilename(dest);
 623 #endif
 624
 625   // Handle environment
 626   const wxChar *val = (const wxChar *) NULL;
 627   wxChar *tcp = (wxChar *) NULL;
 628   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 629      (tcp = wxStrstr (dest, val)) != NULL)
 630     {
 631         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 632         *tcp++ = wxT('$');
 633         *tcp++ = wxT('{');
 634         wxStrcpy (tcp, WXSTRINGCAST envname);
 635         wxStrcat (tcp, wxT("}"));
 636         wxStrcat (tcp, wxFileFunctionsBuffer);
 637     }
 638
 639   // Handle User's home (ignore root homes!)
 640   size_t len = 0;
 641   if ((val = wxGetUserHome (user)) != NULL &&
 642       (len = wxStrlen(val)) > 2 &&
 643       wxStrncmp(dest, val, len) == 0)
 644     {
 645       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 646       if (user != wxT(""))
 647              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 648 #ifdef __WXMSW__
 649 //      strcat(wxFileFunctionsBuffer, "\\");
 650 #else
 651 //      strcat(wxFileFunctionsBuffer, "/");
 652 #endif
 653       wxStrcat(wxFileFunctionsBuffer, dest + len);
 654       wxStrcpy (dest, wxFileFunctionsBuffer);
 655     }
 656
 657   return dest;
 658 }
 659
 660 // Return just the filename, not the path
 661 // (basename)
 662 wxChar *wxFileNameFromPath (wxChar *path)
 663 {
 664   if (path)
 665     {
 666       register wxChar *tcp;
 667
 668       tcp = path + wxStrlen (path);
 669       while (--tcp >= path)
 670         {
 671           if (*tcp == wxT('/') || *tcp == wxT('\\')
 672 #ifdef __VMS__
 673      || *tcp == wxT(':') || *tcp == wxT(']'))
 674 #else
 675      )
 676 #endif
 677             return tcp + 1;
 678         }                        /* while */
 679 #if defined(__WXMSW__) || defined(__WXPM__)
 680       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 681         return path + 2;
 682 #endif
 683     }
 684   return path;
 685 }
 686
 687 wxString wxFileNameFromPath (const wxString& path1)
 688 {
 689   if (path1 != wxT(""))
 690   {
 691
 692       wxChar *path = WXSTRINGCAST path1 ;
 693       register wxChar *tcp;
 694
 695       tcp = path + wxStrlen (path);
 696       while (--tcp >= path)
 697           {
 698             if (*tcp == wxT('/') || *tcp == wxT('\\')
 699 #ifdef __VMS__
 700         || *tcp == wxT(':') || *tcp == wxT(']'))
 701 #else
 702         )
 703 #endif
 704                 return wxString(tcp + 1);
 705             }                        /* while */
 706 #if defined(__WXMSW__) || defined(__WXPM__)
 707       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 708             return wxString(path + 2);
 709 #endif
 710     }
 711   // Yes, this should return the path, not an empty string, otherwise
 712   // we get "thing.txt" -> "".
 713   return path1;
 714 }
 715
 716 // Return just the directory, or NULL if no directory
 717 wxChar *
 718 wxPathOnly (wxChar *path)
 719 {
 720   if (path && *path)
 721     {
 722       static wxChar buf[_MAXPATHLEN];
 723
 724       // Local copy
 725       wxStrcpy (buf, path);
 726
 727       int l = wxStrlen(path);
 728       bool done = FALSE;
 729
 730       int i = l - 1;
 731
 732       // Search backward for a backward or forward slash
 733       while (!done && i > -1)
 734       {
 735         // ] is for VMS
 736         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 737         {
 738           done = TRUE;
 739 #ifdef __VMS__
 740            if ( path[i] == wxT(']') )
 741              buf[i+1] = 0;
 742            else
 743 #endif
 744           buf[i] = 0;
 745
 746           return buf;
 747         }
 748         else i --;
 749       }
 750
 751 #if defined(__WXMSW__) || defined(__WXPM__)
 752       // Try Drive specifier
 753       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 754         {
 755           // A:junk --> A:. (since A:.\junk Not A:\junk)
 756           buf[2] = wxT('.');
 757           buf[3] = wxT('\0');
 758           return buf;
 759         }
 760 #endif
 761     }
 762
 763   return (wxChar *) NULL;
 764 }
 765
 766 // Return just the directory, or NULL if no directory
 767 wxString wxPathOnly (const wxString& path)
 768 {
 769   if (path != wxT(""))
 770     {
 771       wxChar buf[_MAXPATHLEN];
 772
 773       // Local copy
 774       wxStrcpy (buf, WXSTRINGCAST path);
 775
 776       int l = path.Length();
 777       bool done = FALSE;
 778
 779       int i = l - 1;
 780
 781       // Search backward for a backward or forward slash
 782       while (!done && i > -1)
 783       {
 784         // ] is for VMS
 785         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 786         {
 787           done = TRUE;
 788 #ifdef __VMS__
 789            if ( path[i] == wxT(']') )
 790              buf[i+1] = 0;
 791            else
 792 #endif
 793           buf[i] = 0;
 794
 795           return wxString(buf);
 796         }
 797         else i --;
 798       }
 799
 800 #if defined(__WXMSW__) || defined(__WXPM__)
 801       // Try Drive specifier
 802       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 803         {
 804           // A:junk --> A:. (since A:.\junk Not A:\junk)
 805           buf[2] = wxT('.');
 806           buf[3] = wxT('\0');
 807           return wxString(buf);
 808         }
 809 #endif
 810     }
 811
 812   return wxString(wxT(""));
 813 }
 814
 815 // Utility for converting delimiters in DOS filenames to UNIX style
 816 // and back again - or we get nasty problems with delimiters.
 817 // Also, convert to lower case, since case is significant in UNIX.
 818
 819 #ifdef __WXMAC__
 820
 821 static char sMacFileNameConversion[ 1000 ] ;
 822
 823 wxString wxMac2UnixFilename (const char *str)
 824 {
 825     char *s = sMacFileNameConversion ;
 826     strcpy( s , str ) ;
 827   if (s)
 828   {
 829     memmove( s+1 , s ,strlen( s ) + 1) ;
 830     if ( *s == ':' )
 831             *s = '.' ;
 832     else
 833             *s = '/' ;
 834
 835     while (*s)
 836     {
 837             if (*s == ':')
 838               *s = '/';
 839             else
 840               *s = wxTolower (*s);        // Case INDEPENDENT
 841             s++;
 842     }
 843   }
 844   return wxString (sMacFileNameConversion) ;
 845 }
 846
 847 wxString wxUnix2MacFilename (const char *str)
 848 {
 849     char *s = sMacFileNameConversion ;
 850     strcpy( s , str ) ;
 851   if (s)
 852   {
 853     if ( *s == '.' )
 854     {
 855       // relative path , since it goes on with slash which is translated to a :
 856       memmove( s , s+1 ,strlen( s ) ) ;
 857     }
 858     else if ( *s == '/' )
 859     {
 860       // absolute path -> on mac just start with the drive name
 861       memmove( s , s+1 ,strlen( s ) ) ;
 862     }
 863     else
 864     {
 865       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 866     }
 867     while (*s)
 868     {
 869       if (*s == '/' || *s == '\\')
 870       {
 871           // convert any back-directory situations
 872           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 873           {
 874           *s = ':';
 875                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 876           }
 877           else
 878           *s = ':';
 879       }
 880
 881       s++ ;
 882     }
 883   }
 884   return wxString (sMacFileNameConversion) ;
 885 }
 886
 887 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 888 {
 889     Handle    myPath ;
 890     short     length ;
 891
 892     FSpGetFullPath( spec , &length , &myPath ) ;
 893     ::SetHandleSize( myPath , length + 1 ) ;
 894     ::HLock( myPath ) ;
 895     (*myPath)[length] = 0 ;
 896     if ( length > 0 && (*myPath)[length-1] ==':' )
 897         (*myPath)[length-1] = 0 ;
 898
 899     wxString result(     (char*) *myPath ) ;
 900     ::HUnlock( myPath ) ;
 901     ::DisposeHandle( myPath ) ;
 902     return result ;
 903 }
 904
 905 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 906 {
 907     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 908 }
 909
 910 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 911 {
 912     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 913 }
 914
 915 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 916 {
 917     wxString var = wxUnix2MacFilename( path ) ;
 918     wxMacFilename2FSSpec( var , spec ) ;
 919 }
 920
 921 #endif
 922 void
 923 wxDos2UnixFilename (char *s)
 924 {
 925   if (s)
 926     while (*s)
 927       {
 928         if (*s == '\\')
 929           *s = '/';
 930 #ifdef __WXMSW__
 931         else
 932           *s = wxTolower (*s);        // Case INDEPENDENT
 933 #endif
 934         s++;
 935       }
 936 }
 937
 938 void
 939 #if defined(__WXMSW__) || defined(__WXPM__)
 940 wxUnix2DosFilename (wxChar *s)
 941 #else
 942 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 943 #endif
 944 {
 945 // Yes, I really mean this to happen under DOS only! JACS
 946 #if defined(__WXMSW__) || defined(__WXPM__)
 947   if (s)
 948     while (*s)
 949       {
 950         if (*s == wxT('/'))
 951           *s = wxT('\\');
 952         s++;
 953       }
 954 #endif
 955 }
 956
 957 // Concatenate two files to form third
 958 bool
 959 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 960 {
 961   wxString outfile;
 962   if ( !wxGetTempFileName("cat", outfile) )
 963       return FALSE;
 964
 965   FILE *fp1 = (FILE *) NULL;
 966   FILE *fp2 = (FILE *) NULL;
 967   FILE *fp3 = (FILE *) NULL;
 968   // Open the inputs and outputs
 969   if ((fp1 = fopen (OS_FILENAME( file1 ), "rb")) == NULL ||
 970       (fp2 = fopen (OS_FILENAME( file2 ), "rb")) == NULL ||
 971       (fp3 = fopen (OS_FILENAME( outfile ), "wb")) == NULL)
 972     {
 973       if (fp1)
 974         fclose (fp1);
 975       if (fp2)
 976         fclose (fp2);
 977       if (fp3)
 978         fclose (fp3);
 979       return FALSE;
 980     }
 981
 982   int ch;
 983   while ((ch = getc (fp1)) != EOF)
 984     (void) putc (ch, fp3);
 985   fclose (fp1);
 986
 987   while ((ch = getc (fp2)) != EOF)
 988     (void) putc (ch, fp3);
 989   fclose (fp2);
 990
 991   fclose (fp3);
 992   bool result = wxRenameFile(outfile, file3);
 993   return result;
 994 }
 995
 996 // Copy files
 997 bool
 998 wxCopyFile (const wxString& file1, const wxString& file2)
 999 {
1000     wxStructStat fbuf;
1001
1002     // get permissions of file1
1003     if ( wxStat(file1, &fbuf) != 0 )
1004     {
1005         // the file probably doesn't exist or we haven't the rights to read
1006         // from it anyhow
1007         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1008                       file1.c_str());
1009         return FALSE;
1010     }
1011
1012     // open file1 for reading
1013     wxFile fileIn(file1, wxFile::read);
1014     if ( !fileIn.IsOpened() )
1015         return FALSE;
1016
1017     // remove file2, if it exists. This is needed for creating
1018     // file2 with the correct permissions in the next step
1019     if ( wxFileExists(file2) && !wxRemoveFile(file2) )
1020     {
1021         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1022                       file2.c_str());
1023         return FALSE;
1024     }
1025
1026 #ifdef __UNIX__
1027     // reset the umask as we want to create the file with exactly the same
1028     // permissions as the original one
1029     mode_t oldUmask = umask( 0 );
1030 #endif // __UNIX__
1031
1032     // create file2 with the same permissions than file1 and open it for
1033     // writing
1034     wxFile fileOut;
1035     if ( !fileOut.Create(file2, TRUE, fbuf.st_mode & 0777) )
1036         return FALSE;
1037
1038 #ifdef __UNIX__
1039     /// restore the old umask
1040     umask(oldUmask);
1041 #endif // __UNIX__
1042
1043     // copy contents of file1 to file2
1044     char buf[4096];
1045     size_t count;
1046     for ( ;; )
1047     {
1048         count = fileIn.Read(buf, WXSIZEOF(buf));
1049         if ( fileIn.Error() )
1050             return FALSE;
1051
1052         // end of file?
1053         if ( !count )
1054             break;
1055
1056         if ( fileOut.Write(buf, count) < count )
1057             return FALSE;
1058     }
1059
1060     if ( chmod(file2, fbuf.st_mode) != 0 )
1061     {
1062         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1063                       file2.c_str());
1064         return FALSE;
1065     }
1066
1067     return TRUE;
1068 }
1069
1070 bool
1071 wxRenameFile (const wxString& file1, const wxString& file2)
1072 {
1073   // Normal system call
1074   if ( wxRename (OS_FILENAME(file1), OS_FILENAME(file2)) == 0 )
1075     return TRUE;
1076
1077   // Try to copy
1078   if (wxCopyFile(file1, file2)) {
1079     wxRemoveFile(file1);
1080     return TRUE;
1081   }
1082   // Give up
1083   return FALSE;
1084 }
1085
1086 bool wxRemoveFile(const wxString& file)
1087 {
1088 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1089   int res = wxRemove(file);
1090 #else
1091   int res = unlink(OS_FILENAME(file));
1092 #endif
1093
1094   return res == 0;
1095 }
1096
1097 bool wxMkdir(const wxString& dir, int perm)
1098 {
1099 #if defined( __WXMAC__ )
1100   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1101 #else // !Mac
1102     const wxChar *dirname = dir.c_str();
1103
1104     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1105     // for the GNU compiler
1106 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1107     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1108 #elif defined(__WXPM__)
1109     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1110 #else  // !MSW and !OS/2 VAC++
1111     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1112 #endif // !MSW/MSW
1113     {
1114         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1115
1116         return FALSE;
1117     }
1118
1119     return TRUE;
1120 #endif // Mac/!Mac
1121 }
1122
1123 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1124 {
1125 #ifdef __VMS__
1126   return FALSE; //to be changed since rmdir exists in VMS7.x
1127 #elif defined(__WXPM__)
1128   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1129 #else
1130
1131 #ifdef __SALFORDC__
1132   return FALSE; // What to do?
1133 #else
1134   return (wxRmDir(OS_FILENAME(dir)) == 0);
1135 #endif
1136
1137 #endif
1138 }
1139
1140 // does the path exists? (may have or not '/' or '\\' at the end)
1141 bool wxPathExists(const wxChar *pszPathName)
1142 {
1143     wxString strPath(pszPathName);
1144 #ifdef __WINDOWS__
1145     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1146     // so remove all trailing backslashes from the path - but don't do this for
1147     // the pathes "d:\" (which are different from "d:") nor for just "\"
1148     while ( wxEndsWithPathSeparator(strPath) )
1149     {
1150         size_t len = strPath.length();
1151         if ( len == 1 || strPath[len - 1] == _T(':') )
1152             break;
1153
1154         strPath.Truncate(len - 1);
1155     }
1156 #endif // __WINDOWS__
1157
1158     wxStructStat st;
1159 #ifndef __VISAGECPP__
1160     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1161         ((st.st_mode & S_IFMT) == S_IFDIR);
1162 #else
1163     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1164     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1165         (st.st_mode == S_IFDIR);
1166 #endif
1167
1168 }
1169
1170 // Get a temporary filename, opening and closing the file.
1171 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1172 {
1173 #ifdef __WINDOWS__
1174
1175 #ifndef        __WIN32__
1176   wxChar tmp[144];
1177   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1178 #else
1179   wxChar tmp[MAX_PATH];
1180   wxChar tmpPath[MAX_PATH];
1181   ::GetTempPath(MAX_PATH, tmpPath);
1182   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1183 #endif
1184   if (buf) wxStrcpy(buf, tmp);
1185   else buf = copystring(tmp);
1186   return buf;
1187
1188 #else
1189   static short last_temp = 0;        // cache last to speed things a bit
1190   // At most 1000 temp files to a process! We use a ring count.
1191   wxChar tmp[100]; // FIXME static buffer
1192
1193   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1194     {
1195       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1196       if (!wxFileExists( tmp ))
1197         {
1198           // Touch the file to create it (reserve name)
1199           FILE *fd = fopen (wxFNCONV(tmp), "w");
1200           if (fd)
1201             fclose (fd);
1202           last_temp = suffix;
1203           if (buf)
1204             wxStrcpy( buf, tmp);
1205           else
1206             buf = copystring( tmp );
1207           return buf;
1208         }
1209     }
1210   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1211   if (buf) buf[0] = 0;
1212   return (wxChar *) NULL;
1213 #endif
1214 }
1215
1216 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1217 {
1218     wxChar buf2[512];
1219     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1220     {
1221         buf = buf2;
1222         return TRUE;
1223     }
1224     else
1225         return FALSE;
1226 }
1227
1228 // Get first file name matching given wild card.
1229
1230 #ifdef __UNIX__
1231
1232 // Get first file name matching given wild card.
1233 // Flags are reserved for future use.
1234
1235 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1236     static DIR *gs_dirStream = (DIR *) NULL;
1237     static wxString gs_strFileSpec;
1238     static int gs_findFlags = 0;
1239 #endif
1240
1241 wxString wxFindFirstFile(const wxChar *spec, int flags)
1242 {
1243     wxString result;
1244 #ifdef __VMS
1245    wxChar *specvms = NULL;
1246 #endif
1247
1248 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1249     if (gs_dirStream)
1250         closedir(gs_dirStream); // edz 941103: better housekeping
1251
1252     gs_findFlags = flags;
1253
1254     gs_strFileSpec = spec;
1255
1256     // Find path only so we can concatenate
1257     // found file onto path
1258     wxString path(wxPathOnly(gs_strFileSpec));
1259
1260     // special case: path is really "/"
1261     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1262 #ifdef __VMS
1263      {
1264         wxStrcpy( specvms , wxT( "[000000]" ) );
1265         gs_strFileSpec = specvms;
1266         wxString path_vms(wxPathOnly(gs_strFileSpec));
1267         path = path_vms;
1268      }
1269 #else
1270      path = wxT('/');
1271 #endif
1272    // path is empty => Local directory
1273     if ( !path )
1274 #ifdef __VMS
1275      {
1276         wxStrcpy( specvms , wxT( "[]" ) );
1277         gs_strFileSpec = specvms;
1278         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1279         path = path_vms1;
1280      }
1281 #else
1282      path = wxT('.');
1283 #endif
1284
1285     gs_dirStream = opendir(path.fn_str());
1286     if ( !gs_dirStream )
1287     {
1288         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1289                       path.c_str());
1290     }
1291     else
1292     {
1293         result = wxFindNextFile();
1294     }
1295 #endif // !VMS6.x or earlier
1296
1297     return result;
1298 }
1299
1300 wxString wxFindNextFile()
1301 {
1302     wxString result;
1303
1304 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1305     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1306
1307     // Find path only so we can concatenate
1308     // found file onto path
1309     wxString path(wxPathOnly(gs_strFileSpec));
1310     wxString name(wxFileNameFromPath(gs_strFileSpec));
1311
1312     /* MATTHEW: special case: path is really "/" */
1313     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1314         path = wxT('/');
1315
1316     // Do the reading
1317     struct dirent *nextDir;
1318     for ( nextDir = readdir(gs_dirStream);
1319           nextDir != NULL;
1320           nextDir = readdir(gs_dirStream) )
1321     {
1322         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1323         strcmp(nextDir->d_name, ".") &&
1324         strcmp(nextDir->d_name, "..") )
1325         {
1326             result.Empty();
1327             if ( !path.IsEmpty() )
1328             {
1329                 result = path;
1330                 if ( path != wxT('/') )
1331                     result += wxT('/');
1332             }
1333
1334             result += nextDir->d_name;
1335
1336             // Only return "." and ".." when they match
1337             bool isdir;
1338             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1339                  (strcmp(nextDir->d_name, "..") == 0))
1340             {
1341                 if ( (gs_findFlags & wxDIR) != 0 )
1342                     isdir = TRUE;
1343                 else
1344                     continue;
1345             }
1346             else
1347                 isdir = wxDirExists(result);
1348
1349             // and only return directories when flags & wxDIR
1350             if ( !gs_findFlags ||
1351                  ((gs_findFlags & wxDIR) && isdir) ||
1352                  ((gs_findFlags & wxFILE) && !isdir) )
1353             {
1354                 return result;
1355             }
1356         }
1357     }
1358
1359     result.Empty(); // not found
1360
1361     closedir(gs_dirStream);
1362     gs_dirStream = (DIR *) NULL;
1363 #endif // !VMS6.2 or earlier
1364
1365     return result;
1366 }
1367
1368 #elif defined(__WXMAC__)
1369
1370 struct MacDirectoryIterator
1371 {
1372     CInfoPBRec            m_CPB ;
1373     wxInt16                m_index ;
1374     long                m_dirId ;
1375     Str255                m_name ;
1376 } ;
1377
1378 static int g_iter_flags ;
1379
1380 static MacDirectoryIterator g_iter ;
1381
1382 wxString wxFindFirstFile(const wxChar *spec, int flags)
1383 {
1384     wxString result;
1385
1386     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1387
1388     // Find path only so we can concatenate found file onto path
1389     wxString path(wxPathOnly(spec));
1390     if ( !path.IsEmpty() )
1391         result << path << wxT('\\');
1392
1393     FSSpec fsspec ;
1394
1395     wxUnixFilename2FSSpec( result , &fsspec ) ;
1396     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1397     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1398     g_iter.m_index = 0 ;
1399
1400     Boolean isDir ;
1401     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1402     if ( !isDir )
1403         return wxEmptyString ;
1404
1405     return wxFindNextFile( ) ;
1406 }
1407
1408 wxString wxFindNextFile()
1409 {
1410     wxString result;
1411
1412     short err = noErr ;
1413
1414     while ( err == noErr )
1415     {
1416         g_iter.m_index++ ;
1417         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1418         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1419         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1420         if ( err != noErr )
1421             break ;
1422
1423         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1424             break ;
1425
1426         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1427             continue ;
1428
1429         // hit !
1430         break ;
1431     }
1432     if ( err != noErr )
1433     {
1434         return wxEmptyString ;
1435     }
1436     FSSpec spec ;
1437
1438     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1439                                    g_iter.m_dirId,
1440                                    g_iter.m_name,
1441                                    &spec) ;
1442
1443     return wxMacFSSpec2UnixFilename( &spec ) ;
1444 }
1445
1446 #elif defined(__WXMSW__)
1447
1448 #ifdef __WIN32__
1449     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1450     static WIN32_FIND_DATA gs_findDataStruct;
1451 #else // Win16
1452     #ifdef __BORLANDC__
1453         static struct ffblk gs_findDataStruct;
1454     #else
1455         static struct _find_t gs_findDataStruct;
1456     #endif // Borland
1457 #endif // Win32/16
1458
1459 static wxString gs_strFileSpec;
1460 static int gs_findFlags = 0;
1461
1462 wxString wxFindFirstFile(const wxChar *spec, int flags)
1463 {
1464     wxString result;
1465
1466     gs_strFileSpec = spec;
1467     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1468
1469     // Find path only so we can concatenate found file onto path
1470     wxString path(wxPathOnly(gs_strFileSpec));
1471     if ( !path.IsEmpty() )
1472         result << path << wxT('\\');
1473
1474 #ifdef __WIN32__
1475     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1476         FindClose(gs_hFileStruct);
1477
1478     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1479
1480     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1481     {
1482         result.Empty();
1483
1484         return result;
1485     }
1486
1487     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1488
1489     if (isdir && !(flags & wxDIR))
1490         return wxFindNextFile();
1491     else if (!isdir && flags && !(flags & wxFILE))
1492         return wxFindNextFile();
1493
1494     result += gs_findDataStruct.cFileName;
1495
1496     return result;
1497 #else // !Win32
1498     int flag = _A_NORMAL;
1499     if (flags & wxDIR)
1500         flag = _A_SUBDIR;
1501
1502 #ifdef __BORLANDC__
1503     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1504 #else
1505         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1506 #endif
1507         {
1508             char attrib;
1509
1510 #ifdef __BORLANDC__
1511             attrib = gs_findDataStruct.ff_attrib;
1512 #else
1513             attrib = gs_findDataStruct.attrib;
1514 #endif
1515
1516             if (attrib & _A_SUBDIR) {
1517                 if (!(gs_findFlags & wxDIR))
1518                     return wxFindNextFile();
1519             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1520                 return wxFindNextFile();
1521
1522             result +=
1523 #ifdef __BORLANDC__
1524                     gs_findDataStruct.ff_name
1525 #else
1526                     gs_findDataStruct.name
1527 #endif
1528                     ;
1529         }
1530
1531     return result;
1532 #endif // __WIN32__
1533 }
1534
1535
1536 wxString wxFindNextFile()
1537 {
1538     wxString result;
1539
1540     // Find path only so we can concatenate found file onto path
1541     wxString path(wxPathOnly(gs_strFileSpec));
1542
1543 try_again:
1544
1545 #ifdef __WIN32__
1546     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1547         return result;
1548
1549     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1550     if (!success)
1551     {
1552         FindClose(gs_hFileStruct);
1553         gs_hFileStruct = INVALID_HANDLE_VALUE;
1554     }
1555     else
1556     {
1557         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1558
1559         if (isdir && !(gs_findFlags & wxDIR))
1560             goto try_again;
1561         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1562             goto try_again;
1563
1564         if ( !path.IsEmpty() )
1565             result << path << wxT('\\');
1566         result << gs_findDataStruct.cFileName;
1567     }
1568
1569     return result;
1570 #else // Win16
1571
1572 #ifdef __BORLANDC__
1573     if (findnext(&gs_findDataStruct) == 0)
1574 #else
1575         if (_dos_findnext(&gs_findDataStruct) == 0)
1576 #endif
1577         {
1578             /* MATTHEW: [5] Check directory flag */
1579             char attrib;
1580
1581 #ifdef __BORLANDC__
1582             attrib = gs_findDataStruct.ff_attrib;
1583 #else
1584             attrib = gs_findDataStruct.attrib;
1585 #endif
1586
1587             if (attrib & _A_SUBDIR) {
1588                 if (!(gs_findFlags & wxDIR))
1589                     goto try_again;
1590             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1591                 goto try_again;
1592
1593
1594             result +=
1595 #ifdef __BORLANDC__
1596                       gs_findDataStruct.ff_name
1597 #else
1598                       gs_findDataStruct.name
1599 #endif
1600                       ;
1601         }
1602
1603     return result;
1604 #endif // Win32/16
1605 }
1606
1607 #elif defined(__WXPM__)
1608
1609 wxString wxFindFirstFile(const wxChar *spec, int flags)
1610 {
1611     wxString result;
1612
1613     /*
1614     // TODO: figure something out here for OS/2
1615     gs_strFileSpec = spec;
1616     gs_findFlags = flags;
1617
1618     // Find path only so we can concatenate found file onto path
1619     wxString path(wxPathOnly(gs_strFileSpec));
1620     if ( !path.IsEmpty() )
1621         result << path << wxT('\\');
1622
1623     int flag = _A_NORMAL;
1624     if (flags & wxDIR)
1625         flag = _A_SUBDIR;
1626
1627     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1628     {
1629         char attrib;
1630         attrib = gs_findDataStruct.attrib;
1631
1632         if (attrib & _A_SUBDIR) {
1633             if (!(gs_findFlags & wxDIR))
1634                 return wxFindNextFile();
1635         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1636             return wxFindNextFile();
1637
1638         result += gs_findDataStruct.name;
1639     }
1640     */
1641     return result;
1642 }
1643
1644 wxString wxFindNextFile()
1645 {
1646     wxString result;
1647     // TODO:
1648     return result;
1649 }
1650
1651 #endif // Unix/Windows/OS/2
1652
1653 // Get current working directory.
1654 // If buf is NULL, allocates space using new, else
1655 // copies into buf.
1656 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1657 {
1658   if (!buf)
1659     buf = new wxChar[sz+1];
1660 #if wxUSE_UNICODE
1661   char *cbuf = new char[sz+1];
1662 #ifdef _MSC_VER
1663   if (_getcwd(cbuf, sz) == NULL) {
1664 #elif defined( __WXMAC__)
1665     enum
1666     {
1667         SFSaveDisk = 0x214, CurDirStore = 0x398
1668     };
1669     FSSpec cwdSpec ;
1670
1671     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1672     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1673     strcpy( buf , res ) ;
1674     if (0) {
1675 #else
1676   if (getcwd(cbuf, sz) == NULL) {
1677 #endif
1678     delete [] cbuf;
1679 #else // wxUnicode
1680 #ifdef _MSC_VER
1681   if (_getcwd(buf, sz) == NULL) {
1682 #elif defined( __WXMAC__)
1683     enum
1684     {
1685         SFSaveDisk = 0x214, CurDirStore = 0x398
1686     };
1687     FSSpec cwdSpec ;
1688
1689     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1690     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1691     strcpy( buf , res ) ;
1692     if (0) {
1693 #elif(__VISAGECPP__)
1694     APIRET rc;
1695     rc = ::DosQueryCurrentDir( 0 // current drive
1696                               ,buf
1697                               ,(PULONG)&sz
1698                              );
1699     if (rc != 0) {
1700 #else
1701   if (getcwd(buf, sz) == NULL) {
1702 #endif
1703 #endif
1704     buf[0] = wxT('.');
1705     buf[1] = wxT('\0');
1706   }
1707 #if wxUSE_UNICODE
1708   else {
1709     wxConvFile.MB2WC(buf, cbuf, sz);
1710     delete [] cbuf;
1711   }
1712 #endif
1713   return buf;
1714 }
1715
1716 wxString wxGetCwd()
1717 {
1718     static const size_t maxPathLen = 1024;
1719
1720     wxString str;
1721     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1722     str.UngetWriteBuf();
1723
1724     return str;
1725 }
1726
1727 bool wxSetWorkingDirectory(const wxString& d)
1728 {
1729 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1730   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1731 #elif defined(__WXPM__)
1732   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1733 #elif defined(__WINDOWS__)
1734
1735 #ifdef __WIN32__
1736   return (bool)(SetCurrentDirectory(d) != 0);
1737 #else
1738   // Must change drive, too.
1739   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1740   if (isDriveSpec)
1741   {
1742     wxChar firstChar = d[0];
1743
1744     // To upper case
1745     if (firstChar > 90)
1746       firstChar = firstChar - 32;
1747
1748     // To a drive number
1749     unsigned int driveNo = firstChar - 64;
1750     if (driveNo > 0)
1751     {
1752        unsigned int noDrives;
1753        _dos_setdrive(driveNo, &noDrives);
1754     }
1755   }
1756   bool success = (chdir(WXSTRINGCAST d) == 0);
1757
1758   return success;
1759 #endif
1760
1761 #endif
1762 }
1763
1764 // Get the OS directory if appropriate (such as the Windows directory).
1765 // On non-Windows platform, probably just return the empty string.
1766 wxString wxGetOSDirectory()
1767 {
1768 #ifdef __WINDOWS__
1769     wxChar buf[256];
1770     GetWindowsDirectory(buf, 256);
1771     return wxString(buf);
1772 #else
1773     return wxEmptyString;
1774 #endif
1775 }
1776
1777 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1778 {
1779   size_t len = wxStrlen(pszFileName);
1780   if ( len == 0 )
1781     return FALSE;
1782   else
1783     return wxIsPathSeparator(pszFileName[len - 1]);
1784 }
1785
1786 // find a file in a list of directories, returns false if not found
1787 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1788 {
1789     // we assume that it's not empty
1790     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1791                  _T("empty file name in wxFindFileInPath"));
1792
1793     // skip path separator in the beginning of the file name if present
1794     if ( wxIsPathSeparator(*pszFile) )
1795         pszFile++;
1796
1797     // copy the path (strtok will modify it)
1798     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1799     wxStrcpy(szPath, pszPath);
1800
1801     wxString strFile;
1802     wxChar *pc, *save_ptr;
1803     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1804           pc != NULL;
1805           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1806     {
1807         // search for the file in this directory
1808         strFile = pc;
1809         if ( !wxEndsWithPathSeparator(pc) )
1810             strFile += wxFILE_SEP_PATH;
1811         strFile += pszFile;
1812
1813         if ( FileExists(strFile) ) {
1814             *pStr = strFile;
1815             break;
1816         }
1817     }
1818
1819     // suppress warning about unused variable save_ptr when wxStrtok() is a
1820     // macro which throws away its third argument
1821     save_ptr = pc;
1822
1823     delete [] szPath;
1824
1825     return pc != NULL;  // if true => we breaked from the loop
1826 }
1827
1828 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1829                              wxString *pstrPath,
1830                              wxString *pstrName,
1831                              wxString *pstrExt)
1832 {
1833     // it can be empty, but it shouldn't be NULL
1834     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1835
1836     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1837 }
1838
1839 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1840 {
1841     wxStructStat buf;
1842
1843     wxStat(filename.fn_str(), &buf);
1844     return buf.st_mtime;
1845 }
1846
1847
1848 //------------------------------------------------------------------------
1849 // wild character routines
1850 //------------------------------------------------------------------------
1851
1852 bool wxIsWild( const wxString& pattern )
1853 {
1854   wxString tmp = pattern;
1855   wxChar *pat = WXSTRINGCAST(tmp);
1856     while (*pat) {
1857         switch (*pat++) {
1858         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1859             return TRUE;
1860         case wxT('\\'):
1861             if (!*pat++)
1862                 return FALSE;
1863         }
1864     }
1865     return FALSE;
1866 };
1867
1868 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1869
1870 #if defined(HAVE_FNMATCH_H)
1871 {
1872 // this probably won't work well for multibyte chars in Unicode mode?
1873    if(dot_special)
1874       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1875    else
1876       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1877 }
1878 #else
1879
1880 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1881
1882    /*
1883     * WARNING: this code is broken!
1884     */
1885 {
1886   wxString tmp1 = pat;
1887   wxChar *pattern = WXSTRINGCAST(tmp1);
1888   wxString tmp2 = text;
1889   wxChar *str = WXSTRINGCAST(tmp2);
1890     wxChar c;
1891     wxChar *cp;
1892     bool done = FALSE, ret_code, ok;
1893     // Below is for vi fans
1894     const wxChar OB = wxT('{'), CB = wxT('}');
1895
1896     // dot_special means '.' only matches '.'
1897     if (dot_special && *str == wxT('.') && *pattern != *str)
1898         return FALSE;
1899
1900     while ((*pattern != wxT('\0')) && (!done)
1901     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1902         switch (*pattern) {
1903         case wxT('\\'):
1904             pattern++;
1905             if (*pattern != wxT('\0'))
1906                 pattern++;
1907             break;
1908         case wxT('*'):
1909             pattern++;
1910             ret_code = FALSE;
1911             while ((*str!=wxT('\0'))
1912             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1913                 /*loop*/;
1914             if (ret_code) {
1915                 while (*str != wxT('\0'))
1916                     str++;
1917                 while (*pattern != wxT('\0'))
1918                     pattern++;
1919             }
1920             break;
1921         case wxT('['):
1922             pattern++;
1923           repeat:
1924             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1925                 done = TRUE;
1926                 break;
1927             }
1928             if (*pattern == wxT('\\')) {
1929                 pattern++;
1930                 if (*pattern == wxT('\0')) {
1931                     done = TRUE;
1932                     break;
1933                 }
1934             }
1935             if (*(pattern + 1) == wxT('-')) {
1936                 c = *pattern;
1937                 pattern += 2;
1938                 if (*pattern == wxT(']')) {
1939                     done = TRUE;
1940                     break;
1941                 }
1942                 if (*pattern == wxT('\\')) {
1943                     pattern++;
1944                     if (*pattern == wxT('\0')) {
1945                         done = TRUE;
1946                         break;
1947                     }
1948                 }
1949                 if ((*str < c) || (*str > *pattern)) {
1950                     pattern++;
1951                     goto repeat;
1952                 }
1953             } else if (*pattern != *str) {
1954                 pattern++;
1955                 goto repeat;
1956             }
1957             pattern++;
1958             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1959                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1960                     pattern++;
1961                 pattern++;
1962             }
1963             if (*pattern != wxT('\0')) {
1964                 pattern++, str++;
1965             }
1966             break;
1967         case wxT('?'):
1968             pattern++;
1969             str++;
1970             break;
1971         case OB:
1972             pattern++;
1973             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1974                 cp = str;
1975                 ok = TRUE;
1976                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1977                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1978                     if (*pattern == wxT('\\'))
1979                         pattern++;
1980                     ok = (*pattern++ == *cp++);
1981                 }
1982                 if (*pattern == wxT('\0')) {
1983                     ok = FALSE;
1984                     done = TRUE;
1985                     break;
1986                 } else if (ok) {
1987                     str = cp;
1988                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1989                         if (*++pattern == wxT('\\')) {
1990                             if (*++pattern == CB)
1991                                 pattern++;
1992                         }
1993                     }
1994                 } else {
1995                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1996                         if (*++pattern == wxT('\\')) {
1997                             if (*++pattern == CB || *pattern == wxT(','))
1998                                 pattern++;
1999                         }
2000                     }
2001                 }
2002                 if (*pattern != wxT('\0'))
2003                     pattern++;
2004             }
2005             break;
2006         default:
2007             if (*str == *pattern) {
2008                 str++, pattern++;
2009             } else {
2010                 done = TRUE;
2011             }
2012         }
2013     }
2014     while (*pattern == wxT('*'))
2015         pattern++;
2016     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2017 };
2018
2019 #endif
2020
2021 #ifdef __VISUALC__
2022     #pragma warning(default:4706)   // assignment within conditional expression
2023 #endif // VC++