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 #ifndef __VISAGECPP__
1061 // no chmod in VA.  SHould be some permission API for HPFS386 partitions however
1062     if ( chmod(file2, fbuf.st_mode) != 0 )
1063     {
1064         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1065                       file2.c_str());
1066         return FALSE;
1067     }
1068 #endif
1069     return TRUE;
1070 }
1071
1072 bool
1073 wxRenameFile (const wxString& file1, const wxString& file2)
1074 {
1075   // Normal system call
1076   if ( wxRename (OS_FILENAME(file1), OS_FILENAME(file2)) == 0 )
1077     return TRUE;
1078
1079   // Try to copy
1080   if (wxCopyFile(file1, file2)) {
1081     wxRemoveFile(file1);
1082     return TRUE;
1083   }
1084   // Give up
1085   return FALSE;
1086 }
1087
1088 bool wxRemoveFile(const wxString& file)
1089 {
1090 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1091   int res = wxRemove(file);
1092 #else
1093   int res = unlink(OS_FILENAME(file));
1094 #endif
1095
1096   return res == 0;
1097 }
1098
1099 bool wxMkdir(const wxString& dir, int perm)
1100 {
1101 #if defined( __WXMAC__ )
1102   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1103 #else // !Mac
1104     const wxChar *dirname = dir.c_str();
1105
1106     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1107     // for the GNU compiler
1108 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1109     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1110 #elif defined(__WXPM__)
1111     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1112 #else  // !MSW and !OS/2 VAC++
1113     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1114 #endif // !MSW/MSW
1115     {
1116         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1117
1118         return FALSE;
1119     }
1120
1121     return TRUE;
1122 #endif // Mac/!Mac
1123 }
1124
1125 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1126 {
1127 #ifdef __VMS__
1128   return FALSE; //to be changed since rmdir exists in VMS7.x
1129 #elif defined(__WXPM__)
1130   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1131 #else
1132
1133 #ifdef __SALFORDC__
1134   return FALSE; // What to do?
1135 #else
1136   return (wxRmDir(OS_FILENAME(dir)) == 0);
1137 #endif
1138
1139 #endif
1140 }
1141
1142 // does the path exists? (may have or not '/' or '\\' at the end)
1143 bool wxPathExists(const wxChar *pszPathName)
1144 {
1145     wxString strPath(pszPathName);
1146 #ifdef __WINDOWS__
1147     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1148     // so remove all trailing backslashes from the path - but don't do this for
1149     // the pathes "d:\" (which are different from "d:") nor for just "\"
1150     while ( wxEndsWithPathSeparator(strPath) )
1151     {
1152         size_t len = strPath.length();
1153         if ( len == 1 || strPath[len - 1] == _T(':') )
1154             break;
1155
1156         strPath.Truncate(len - 1);
1157     }
1158 #endif // __WINDOWS__
1159
1160     wxStructStat st;
1161 #ifndef __VISAGECPP__
1162     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1163         ((st.st_mode & S_IFMT) == S_IFDIR);
1164 #else
1165     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1166     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1167         (st.st_mode == S_IFDIR);
1168 #endif
1169
1170 }
1171
1172 // Get a temporary filename, opening and closing the file.
1173 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1174 {
1175 #ifdef __WINDOWS__
1176
1177 #ifndef        __WIN32__
1178   wxChar tmp[144];
1179   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1180 #else
1181   wxChar tmp[MAX_PATH];
1182   wxChar tmpPath[MAX_PATH];
1183   ::GetTempPath(MAX_PATH, tmpPath);
1184   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1185 #endif
1186   if (buf) wxStrcpy(buf, tmp);
1187   else buf = copystring(tmp);
1188   return buf;
1189
1190 #else
1191   static short last_temp = 0;        // cache last to speed things a bit
1192   // At most 1000 temp files to a process! We use a ring count.
1193   wxChar tmp[100]; // FIXME static buffer
1194
1195   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1196     {
1197       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1198       if (!wxFileExists( tmp ))
1199         {
1200           // Touch the file to create it (reserve name)
1201           FILE *fd = fopen (wxFNCONV(tmp), "w");
1202           if (fd)
1203             fclose (fd);
1204           last_temp = suffix;
1205           if (buf)
1206             wxStrcpy( buf, tmp);
1207           else
1208             buf = copystring( tmp );
1209           return buf;
1210         }
1211     }
1212   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1213   if (buf) buf[0] = 0;
1214   return (wxChar *) NULL;
1215 #endif
1216 }
1217
1218 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1219 {
1220     wxChar buf2[512];
1221     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1222     {
1223         buf = buf2;
1224         return TRUE;
1225     }
1226     else
1227         return FALSE;
1228 }
1229
1230 // Get first file name matching given wild card.
1231
1232 #ifdef __UNIX__
1233
1234 // Get first file name matching given wild card.
1235 // Flags are reserved for future use.
1236
1237 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1238     static DIR *gs_dirStream = (DIR *) NULL;
1239     static wxString gs_strFileSpec;
1240     static int gs_findFlags = 0;
1241 #endif
1242
1243 wxString wxFindFirstFile(const wxChar *spec, int flags)
1244 {
1245     wxString result;
1246 #ifdef __VMS
1247    wxChar *specvms = NULL;
1248 #endif
1249
1250 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1251     if (gs_dirStream)
1252         closedir(gs_dirStream); // edz 941103: better housekeping
1253
1254     gs_findFlags = flags;
1255
1256     gs_strFileSpec = spec;
1257
1258     // Find path only so we can concatenate
1259     // found file onto path
1260     wxString path(wxPathOnly(gs_strFileSpec));
1261
1262     // special case: path is really "/"
1263     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1264 #ifdef __VMS
1265      {
1266         wxStrcpy( specvms , wxT( "[000000]" ) );
1267         gs_strFileSpec = specvms;
1268         wxString path_vms(wxPathOnly(gs_strFileSpec));
1269         path = path_vms;
1270      }
1271 #else
1272      path = wxT('/');
1273 #endif
1274    // path is empty => Local directory
1275     if ( !path )
1276 #ifdef __VMS
1277      {
1278         wxStrcpy( specvms , wxT( "[]" ) );
1279         gs_strFileSpec = specvms;
1280         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1281         path = path_vms1;
1282      }
1283 #else
1284      path = wxT('.');
1285 #endif
1286
1287     gs_dirStream = opendir(path.fn_str());
1288     if ( !gs_dirStream )
1289     {
1290         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1291                       path.c_str());
1292     }
1293     else
1294     {
1295         result = wxFindNextFile();
1296     }
1297 #endif // !VMS6.x or earlier
1298
1299     return result;
1300 }
1301
1302 wxString wxFindNextFile()
1303 {
1304     wxString result;
1305
1306 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1307     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1308
1309     // Find path only so we can concatenate
1310     // found file onto path
1311     wxString path(wxPathOnly(gs_strFileSpec));
1312     wxString name(wxFileNameFromPath(gs_strFileSpec));
1313
1314     /* MATTHEW: special case: path is really "/" */
1315     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1316         path = wxT('/');
1317
1318     // Do the reading
1319     struct dirent *nextDir;
1320     for ( nextDir = readdir(gs_dirStream);
1321           nextDir != NULL;
1322           nextDir = readdir(gs_dirStream) )
1323     {
1324         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1325         strcmp(nextDir->d_name, ".") &&
1326         strcmp(nextDir->d_name, "..") )
1327         {
1328             result.Empty();
1329             if ( !path.IsEmpty() )
1330             {
1331                 result = path;
1332                 if ( path != wxT('/') )
1333                     result += wxT('/');
1334             }
1335
1336             result += nextDir->d_name;
1337
1338             // Only return "." and ".." when they match
1339             bool isdir;
1340             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1341                  (strcmp(nextDir->d_name, "..") == 0))
1342             {
1343                 if ( (gs_findFlags & wxDIR) != 0 )
1344                     isdir = TRUE;
1345                 else
1346                     continue;
1347             }
1348             else
1349                 isdir = wxDirExists(result);
1350
1351             // and only return directories when flags & wxDIR
1352             if ( !gs_findFlags ||
1353                  ((gs_findFlags & wxDIR) && isdir) ||
1354                  ((gs_findFlags & wxFILE) && !isdir) )
1355             {
1356                 return result;
1357             }
1358         }
1359     }
1360
1361     result.Empty(); // not found
1362
1363     closedir(gs_dirStream);
1364     gs_dirStream = (DIR *) NULL;
1365 #endif // !VMS6.2 or earlier
1366
1367     return result;
1368 }
1369
1370 #elif defined(__WXMAC__)
1371
1372 struct MacDirectoryIterator
1373 {
1374     CInfoPBRec            m_CPB ;
1375     wxInt16                m_index ;
1376     long                m_dirId ;
1377     Str255                m_name ;
1378 } ;
1379
1380 static int g_iter_flags ;
1381
1382 static MacDirectoryIterator g_iter ;
1383
1384 wxString wxFindFirstFile(const wxChar *spec, int flags)
1385 {
1386     wxString result;
1387
1388     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1389
1390     // Find path only so we can concatenate found file onto path
1391     wxString path(wxPathOnly(spec));
1392     if ( !path.IsEmpty() )
1393         result << path << wxT('\\');
1394
1395     FSSpec fsspec ;
1396
1397     wxUnixFilename2FSSpec( result , &fsspec ) ;
1398     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1399     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1400     g_iter.m_index = 0 ;
1401
1402     Boolean isDir ;
1403     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1404     if ( !isDir )
1405         return wxEmptyString ;
1406
1407     return wxFindNextFile( ) ;
1408 }
1409
1410 wxString wxFindNextFile()
1411 {
1412     wxString result;
1413
1414     short err = noErr ;
1415
1416     while ( err == noErr )
1417     {
1418         g_iter.m_index++ ;
1419         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1420         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1421         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1422         if ( err != noErr )
1423             break ;
1424
1425         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1426             break ;
1427
1428         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1429             continue ;
1430
1431         // hit !
1432         break ;
1433     }
1434     if ( err != noErr )
1435     {
1436         return wxEmptyString ;
1437     }
1438     FSSpec spec ;
1439
1440     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1441                                    g_iter.m_dirId,
1442                                    g_iter.m_name,
1443                                    &spec) ;
1444
1445     return wxMacFSSpec2UnixFilename( &spec ) ;
1446 }
1447
1448 #elif defined(__WXMSW__)
1449
1450 #ifdef __WIN32__
1451     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1452     static WIN32_FIND_DATA gs_findDataStruct;
1453 #else // Win16
1454     #ifdef __BORLANDC__
1455         static struct ffblk gs_findDataStruct;
1456     #else
1457         static struct _find_t gs_findDataStruct;
1458     #endif // Borland
1459 #endif // Win32/16
1460
1461 static wxString gs_strFileSpec;
1462 static int gs_findFlags = 0;
1463
1464 wxString wxFindFirstFile(const wxChar *spec, int flags)
1465 {
1466     wxString result;
1467
1468     gs_strFileSpec = spec;
1469     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1470
1471     // Find path only so we can concatenate found file onto path
1472     wxString path(wxPathOnly(gs_strFileSpec));
1473     if ( !path.IsEmpty() )
1474         result << path << wxT('\\');
1475
1476 #ifdef __WIN32__
1477     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1478         FindClose(gs_hFileStruct);
1479
1480     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1481
1482     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1483     {
1484         result.Empty();
1485
1486         return result;
1487     }
1488
1489     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1490
1491     if (isdir && !(flags & wxDIR))
1492         return wxFindNextFile();
1493     else if (!isdir && flags && !(flags & wxFILE))
1494         return wxFindNextFile();
1495
1496     result += gs_findDataStruct.cFileName;
1497
1498     return result;
1499 #else // !Win32
1500     int flag = _A_NORMAL;
1501     if (flags & wxDIR)
1502         flag = _A_SUBDIR;
1503
1504 #ifdef __BORLANDC__
1505     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1506 #else
1507         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1508 #endif
1509         {
1510             char attrib;
1511
1512 #ifdef __BORLANDC__
1513             attrib = gs_findDataStruct.ff_attrib;
1514 #else
1515             attrib = gs_findDataStruct.attrib;
1516 #endif
1517
1518             if (attrib & _A_SUBDIR) {
1519                 if (!(gs_findFlags & wxDIR))
1520                     return wxFindNextFile();
1521             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1522                 return wxFindNextFile();
1523
1524             result +=
1525 #ifdef __BORLANDC__
1526                     gs_findDataStruct.ff_name
1527 #else
1528                     gs_findDataStruct.name
1529 #endif
1530                     ;
1531         }
1532
1533     return result;
1534 #endif // __WIN32__
1535 }
1536
1537
1538 wxString wxFindNextFile()
1539 {
1540     wxString result;
1541
1542     // Find path only so we can concatenate found file onto path
1543     wxString path(wxPathOnly(gs_strFileSpec));
1544
1545 try_again:
1546
1547 #ifdef __WIN32__
1548     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1549         return result;
1550
1551     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1552     if (!success)
1553     {
1554         FindClose(gs_hFileStruct);
1555         gs_hFileStruct = INVALID_HANDLE_VALUE;
1556     }
1557     else
1558     {
1559         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1560
1561         if (isdir && !(gs_findFlags & wxDIR))
1562             goto try_again;
1563         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1564             goto try_again;
1565
1566         if ( !path.IsEmpty() )
1567             result << path << wxT('\\');
1568         result << gs_findDataStruct.cFileName;
1569     }
1570
1571     return result;
1572 #else // Win16
1573
1574 #ifdef __BORLANDC__
1575     if (findnext(&gs_findDataStruct) == 0)
1576 #else
1577         if (_dos_findnext(&gs_findDataStruct) == 0)
1578 #endif
1579         {
1580             /* MATTHEW: [5] Check directory flag */
1581             char attrib;
1582
1583 #ifdef __BORLANDC__
1584             attrib = gs_findDataStruct.ff_attrib;
1585 #else
1586             attrib = gs_findDataStruct.attrib;
1587 #endif
1588
1589             if (attrib & _A_SUBDIR) {
1590                 if (!(gs_findFlags & wxDIR))
1591                     goto try_again;
1592             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1593                 goto try_again;
1594
1595
1596             result +=
1597 #ifdef __BORLANDC__
1598                       gs_findDataStruct.ff_name
1599 #else
1600                       gs_findDataStruct.name
1601 #endif
1602                       ;
1603         }
1604
1605     return result;
1606 #endif // Win32/16
1607 }
1608
1609 #elif defined(__WXPM__)
1610
1611 wxString wxFindFirstFile(const wxChar *spec, int flags)
1612 {
1613     wxString result;
1614
1615     /*
1616     // TODO: figure something out here for OS/2
1617     gs_strFileSpec = spec;
1618     gs_findFlags = flags;
1619
1620     // Find path only so we can concatenate found file onto path
1621     wxString path(wxPathOnly(gs_strFileSpec));
1622     if ( !path.IsEmpty() )
1623         result << path << wxT('\\');
1624
1625     int flag = _A_NORMAL;
1626     if (flags & wxDIR)
1627         flag = _A_SUBDIR;
1628
1629     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1630     {
1631         char attrib;
1632         attrib = gs_findDataStruct.attrib;
1633
1634         if (attrib & _A_SUBDIR) {
1635             if (!(gs_findFlags & wxDIR))
1636                 return wxFindNextFile();
1637         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1638             return wxFindNextFile();
1639
1640         result += gs_findDataStruct.name;
1641     }
1642     */
1643     return result;
1644 }
1645
1646 wxString wxFindNextFile()
1647 {
1648     wxString result;
1649     // TODO:
1650     return result;
1651 }
1652
1653 #endif // Unix/Windows/OS/2
1654
1655 // Get current working directory.
1656 // If buf is NULL, allocates space using new, else
1657 // copies into buf.
1658 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1659 {
1660   if (!buf)
1661     buf = new wxChar[sz+1];
1662 #if wxUSE_UNICODE
1663   char *cbuf = new char[sz+1];
1664 #ifdef _MSC_VER
1665   if (_getcwd(cbuf, sz) == NULL) {
1666 #elif defined( __WXMAC__)
1667     enum
1668     {
1669         SFSaveDisk = 0x214, CurDirStore = 0x398
1670     };
1671     FSSpec cwdSpec ;
1672
1673     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1674     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1675     strcpy( buf , res ) ;
1676     if (0) {
1677 #else
1678   if (getcwd(cbuf, sz) == NULL) {
1679 #endif
1680     delete [] cbuf;
1681 #else // wxUnicode
1682 #ifdef _MSC_VER
1683   if (_getcwd(buf, sz) == NULL) {
1684 #elif defined( __WXMAC__)
1685     enum
1686     {
1687         SFSaveDisk = 0x214, CurDirStore = 0x398
1688     };
1689     FSSpec cwdSpec ;
1690
1691     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1692     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1693     strcpy( buf , res ) ;
1694     if (0) {
1695 #elif(__VISAGECPP__)
1696     APIRET rc;
1697     rc = ::DosQueryCurrentDir( 0 // current drive
1698                               ,buf
1699                               ,(PULONG)&sz
1700                              );
1701     if (rc != 0) {
1702 #else
1703   if (getcwd(buf, sz) == NULL) {
1704 #endif
1705 #endif
1706     buf[0] = wxT('.');
1707     buf[1] = wxT('\0');
1708   }
1709 #if wxUSE_UNICODE
1710   else {
1711     wxConvFile.MB2WC(buf, cbuf, sz);
1712     delete [] cbuf;
1713   }
1714 #endif
1715   return buf;
1716 }
1717
1718 wxString wxGetCwd()
1719 {
1720     static const size_t maxPathLen = 1024;
1721
1722     wxString str;
1723     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1724     str.UngetWriteBuf();
1725
1726     return str;
1727 }
1728
1729 bool wxSetWorkingDirectory(const wxString& d)
1730 {
1731 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1732   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1733 #elif defined(__WXPM__)
1734   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1735 #elif defined(__WINDOWS__)
1736
1737 #ifdef __WIN32__
1738   return (bool)(SetCurrentDirectory(d) != 0);
1739 #else
1740   // Must change drive, too.
1741   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1742   if (isDriveSpec)
1743   {
1744     wxChar firstChar = d[0];
1745
1746     // To upper case
1747     if (firstChar > 90)
1748       firstChar = firstChar - 32;
1749
1750     // To a drive number
1751     unsigned int driveNo = firstChar - 64;
1752     if (driveNo > 0)
1753     {
1754        unsigned int noDrives;
1755        _dos_setdrive(driveNo, &noDrives);
1756     }
1757   }
1758   bool success = (chdir(WXSTRINGCAST d) == 0);
1759
1760   return success;
1761 #endif
1762
1763 #endif
1764 }
1765
1766 // Get the OS directory if appropriate (such as the Windows directory).
1767 // On non-Windows platform, probably just return the empty string.
1768 wxString wxGetOSDirectory()
1769 {
1770 #ifdef __WINDOWS__
1771     wxChar buf[256];
1772     GetWindowsDirectory(buf, 256);
1773     return wxString(buf);
1774 #else
1775     return wxEmptyString;
1776 #endif
1777 }
1778
1779 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1780 {
1781   size_t len = wxStrlen(pszFileName);
1782   if ( len == 0 )
1783     return FALSE;
1784   else
1785     return wxIsPathSeparator(pszFileName[len - 1]);
1786 }
1787
1788 // find a file in a list of directories, returns false if not found
1789 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1790 {
1791     // we assume that it's not empty
1792     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1793                  _T("empty file name in wxFindFileInPath"));
1794
1795     // skip path separator in the beginning of the file name if present
1796     if ( wxIsPathSeparator(*pszFile) )
1797         pszFile++;
1798
1799     // copy the path (strtok will modify it)
1800     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1801     wxStrcpy(szPath, pszPath);
1802
1803     wxString strFile;
1804     wxChar *pc, *save_ptr;
1805     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1806           pc != NULL;
1807           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1808     {
1809         // search for the file in this directory
1810         strFile = pc;
1811         if ( !wxEndsWithPathSeparator(pc) )
1812             strFile += wxFILE_SEP_PATH;
1813         strFile += pszFile;
1814
1815         if ( FileExists(strFile) ) {
1816             *pStr = strFile;
1817             break;
1818         }
1819     }
1820
1821     // suppress warning about unused variable save_ptr when wxStrtok() is a
1822     // macro which throws away its third argument
1823     save_ptr = pc;
1824
1825     delete [] szPath;
1826
1827     return pc != NULL;  // if true => we breaked from the loop
1828 }
1829
1830 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1831                              wxString *pstrPath,
1832                              wxString *pstrName,
1833                              wxString *pstrExt)
1834 {
1835     // it can be empty, but it shouldn't be NULL
1836     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1837
1838     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1839 }
1840
1841 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1842 {
1843     wxStructStat buf;
1844
1845     wxStat(filename.fn_str(), &buf);
1846     return buf.st_mtime;
1847 }
1848
1849
1850 //------------------------------------------------------------------------
1851 // wild character routines
1852 //------------------------------------------------------------------------
1853
1854 bool wxIsWild( const wxString& pattern )
1855 {
1856   wxString tmp = pattern;
1857   wxChar *pat = WXSTRINGCAST(tmp);
1858     while (*pat) {
1859         switch (*pat++) {
1860         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1861             return TRUE;
1862         case wxT('\\'):
1863             if (!*pat++)
1864                 return FALSE;
1865         }
1866     }
1867     return FALSE;
1868 };
1869
1870 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1871
1872 #if defined(HAVE_FNMATCH_H)
1873 {
1874 // this probably won't work well for multibyte chars in Unicode mode?
1875    if(dot_special)
1876       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1877    else
1878       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1879 }
1880 #else
1881
1882 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1883
1884    /*
1885     * WARNING: this code is broken!
1886     */
1887 {
1888   wxString tmp1 = pat;
1889   wxChar *pattern = WXSTRINGCAST(tmp1);
1890   wxString tmp2 = text;
1891   wxChar *str = WXSTRINGCAST(tmp2);
1892     wxChar c;
1893     wxChar *cp;
1894     bool done = FALSE, ret_code, ok;
1895     // Below is for vi fans
1896     const wxChar OB = wxT('{'), CB = wxT('}');
1897
1898     // dot_special means '.' only matches '.'
1899     if (dot_special && *str == wxT('.') && *pattern != *str)
1900         return FALSE;
1901
1902     while ((*pattern != wxT('\0')) && (!done)
1903     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1904         switch (*pattern) {
1905         case wxT('\\'):
1906             pattern++;
1907             if (*pattern != wxT('\0'))
1908                 pattern++;
1909             break;
1910         case wxT('*'):
1911             pattern++;
1912             ret_code = FALSE;
1913             while ((*str!=wxT('\0'))
1914             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1915                 /*loop*/;
1916             if (ret_code) {
1917                 while (*str != wxT('\0'))
1918                     str++;
1919                 while (*pattern != wxT('\0'))
1920                     pattern++;
1921             }
1922             break;
1923         case wxT('['):
1924             pattern++;
1925           repeat:
1926             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1927                 done = TRUE;
1928                 break;
1929             }
1930             if (*pattern == wxT('\\')) {
1931                 pattern++;
1932                 if (*pattern == wxT('\0')) {
1933                     done = TRUE;
1934                     break;
1935                 }
1936             }
1937             if (*(pattern + 1) == wxT('-')) {
1938                 c = *pattern;
1939                 pattern += 2;
1940                 if (*pattern == wxT(']')) {
1941                     done = TRUE;
1942                     break;
1943                 }
1944                 if (*pattern == wxT('\\')) {
1945                     pattern++;
1946                     if (*pattern == wxT('\0')) {
1947                         done = TRUE;
1948                         break;
1949                     }
1950                 }
1951                 if ((*str < c) || (*str > *pattern)) {
1952                     pattern++;
1953                     goto repeat;
1954                 }
1955             } else if (*pattern != *str) {
1956                 pattern++;
1957                 goto repeat;
1958             }
1959             pattern++;
1960             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1961                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1962                     pattern++;
1963                 pattern++;
1964             }
1965             if (*pattern != wxT('\0')) {
1966                 pattern++, str++;
1967             }
1968             break;
1969         case wxT('?'):
1970             pattern++;
1971             str++;
1972             break;
1973         case OB:
1974             pattern++;
1975             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1976                 cp = str;
1977                 ok = TRUE;
1978                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1979                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1980                     if (*pattern == wxT('\\'))
1981                         pattern++;
1982                     ok = (*pattern++ == *cp++);
1983                 }
1984                 if (*pattern == wxT('\0')) {
1985                     ok = FALSE;
1986                     done = TRUE;
1987                     break;
1988                 } else if (ok) {
1989                     str = cp;
1990                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1991                         if (*++pattern == wxT('\\')) {
1992                             if (*++pattern == CB)
1993                                 pattern++;
1994                         }
1995                     }
1996                 } else {
1997                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1998                         if (*++pattern == wxT('\\')) {
1999                             if (*++pattern == CB || *pattern == wxT(','))
2000                                 pattern++;
2001                         }
2002                     }
2003                 }
2004                 if (*pattern != wxT('\0'))
2005                     pattern++;
2006             }
2007             break;
2008         default:
2009             if (*str == *pattern) {
2010                 str++, pattern++;
2011             } else {
2012                 done = TRUE;
2013             }
2014         }
2015     }
2016     while (*pattern == wxT('*'))
2017         pattern++;
2018     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2019 };
2020
2021 #endif
2022
2023 #ifdef __VISUALC__
2024     #pragma warning(default:4706)   // assignment within conditional expression
2025 #endif // VC++