///////////////////////////////////////////////////////////////////////////// // Name: filefn.cpp // Purpose: File- and directory-related functions // Author: Julian Smart // Modified by: // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Julian Smart // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation "filefn.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #include "wx/defs.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/defs.h" #endif #include "wx/utils.h" #include // there are just too many of those... #ifdef __VISUALC__ #pragma warning(disable:4706) // assignment within conditional expression #endif // VC++ #include #include #include #include #if !defined(__WATCOMC__) #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif #endif #include #ifndef __MWERKS__ #include #include #else #include #include #endif #ifdef __UNIX__ #include #include #endif #ifdef __WINDOWS__ #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) #include #include #endif // __WINDOWS__ #endif // native Win compiler #ifdef __GNUWIN32__ #ifndef __TWIN32__ #include #endif #define stricmp strcasecmp #endif #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs // this (3.1 I believe) and how to test for it. // If this works for Borland 4.0 as well, then no worries. #include #endif #ifdef __SALFORDC__ #include #include #endif #include "wx/setup.h" #include "wx/log.h" // No, Cygwin doesn't appear to have fnmatch.h after all. #if defined(HAVE_FNMATCH_H) #include "fnmatch.h" #endif #ifdef __WINDOWS__ #include "windows.h" #endif #define _MAXPATHLEN 500 extern char *wxBuffer; #ifdef __WXMAC__ extern char gwxMacFileName[] ; extern char gwxMacFileName2[] ; extern char gwxMacFileName3[] ; #endif #if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList) #endif void wxPathList::Add (const wxString& path) { wxStringList::Add ((char *)(const char *)path); } // Add paths e.g. from the PATH environment variable void wxPathList::AddEnvList (const wxString& envVariable) { static const char PATH_TOKS[] = #ifdef __WINDOWS__ " ;"; // Don't seperate with colon in DOS (used for drive) #else " :;"; #endif char *val = getenv (WXSTRINGCAST envVariable); if (val && *val) { char *s = copystring (val); char *token = strtok (s, PATH_TOKS); if (token) { Add (copystring (token)); while (token) { if ((token = strtok ((char *) NULL, PATH_TOKS)) != NULL) Add (wxString(token)); } } delete[]s; } } // Given a full filename (with path), ensure that that file can // be accessed again USING FILENAME ONLY by adding the path // to the list if not already there. void wxPathList::EnsureFileAccessible (const wxString& path) { wxString path_only(wxPathOnly(path)); if ( !path_only.IsEmpty() ) { if ( !Member(path_only) ) Add(path_only); } } bool wxPathList::Member (const wxString& path) { for (wxNode * node = First (); node != NULL; node = node->Next ()) { wxString path2((char *) node->Data ()); if ( #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__) // Case INDEPENDENT path.CompareTo (path2, wxString::ignoreCase) == 0 #else // Case sensitive File System path.CompareTo (path2) == 0 #endif ) return TRUE; } return FALSE; } wxString wxPathList::FindValidPath (const wxString& file) { if (wxFileExists (wxExpandPath(wxBuffer, file))) return wxString(wxBuffer); char buf[_MAXPATHLEN]; strcpy(buf, wxBuffer); char *filename = (char*) NULL; /* shut up buggy egcs warning */ filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (char *)buf; for (wxNode * node = First (); node; node = node->Next ()) { char *path = (char *) node->Data (); strcpy (wxBuffer, path); char ch = wxBuffer[strlen(wxBuffer)-1]; if (ch != '\\' && ch != '/') strcat (wxBuffer, "/"); strcat (wxBuffer, filename); #ifdef __WINDOWS__ Unix2DosFilename (wxBuffer); #endif if (wxFileExists (wxBuffer)) { return wxString(wxBuffer); // Found! } } // for() return wxString(""); // Not found } wxString wxPathList::FindAbsoluteValidPath (const wxString& file) { wxString f = FindValidPath(file); if (wxIsAbsolutePath(f)) return f; else { char buf[500]; wxGetWorkingDirectory(buf, 499); int len = (int)strlen(buf); char lastCh = 0; if (len > 0) lastCh = buf[len-1]; if (lastCh != '/' && lastCh != '\\') { #ifdef __WINDOWS__ strcat(buf, "\\"); #else strcat(buf, "/"); #endif } strcat(buf, (const char *)f); strcpy(wxBuffer, buf); return wxString(wxBuffer); } } bool wxFileExists (const wxString& filename) { #ifdef __GNUWIN32__ // (fix a B20 bug) if (GetFileAttributes(filename) == 0xFFFFFFFF) return FALSE; else return TRUE; #elif defined(__WXMAC__) struct stat stbuf; strcpy( gwxMacFileName , filename ) ; wxUnix2MacFilename( gwxMacFileName ) ; if (gwxMacFileName && stat ((char *)(const char *)gwxMacFileName, &stbuf) == 0) return TRUE; return FALSE ; #else #ifdef __SALFORDC__ struct _stat stbuf; #else struct stat stbuf; #endif if ((filename != "") && stat ((char *)(const char *)filename, &stbuf) == 0) return TRUE; return FALSE; #endif } /* Vadim's alternative implementation // does the file exist? bool wxFileExists(const char *pszFileName) { struct stat st; return !access(pszFileName, 0) && !stat(pszFileName, &st) && (st.st_mode & S_IFREG); } */ bool wxIsAbsolutePath (const wxString& filename) { if (filename != "") { if (filename[0] == '/' #ifdef __VMS__ || (filename[0] == '[' && filename[1] != '.') #endif #ifdef __WINDOWS__ /* MSDOS */ || filename[0] == '\\' || (isalpha (filename[0]) && filename[1] == ':') #endif ) return TRUE; } return FALSE; } /* * Strip off any extension (dot something) from end of file, * IF one exists. Inserts zero into buffer. * */ void wxStripExtension(char *buffer) { int len = strlen(buffer); int i = len-1; while (i > 0) { if (buffer[i] == '.') { buffer[i] = 0; break; } i --; } } void wxStripExtension(wxString& buffer) { size_t len = buffer.Length(); size_t i = len-1; while (i > 0) { if (buffer.GetChar(i) == '.') { buffer = buffer.Left(i); break; } i --; } } // Destructive removal of /./ and /../ stuff char *wxRealPath (char *path) { #ifdef __WXMSW__ static const char SEP = '\\'; Unix2DosFilename(path); #else static const char SEP = '/'; #endif if (path[0] && path[1]) { /* MATTHEW: special case "/./x" */ char *p; if (path[2] == SEP && path[1] == '.') p = &path[0]; else p = &path[2]; for (; *p; p++) { if (*p == SEP) { if (p[1] == '.' && p[2] == '.' && (p[3] == SEP || p[3] == '\0')) { char *q; for (q = p - 1; q >= path && *q != SEP; q--); if (q[0] == SEP && (q[1] != '.' || q[2] != '.' || q[3] != SEP) && (q - 1 <= path || q[-1] != SEP)) { strcpy (q, p + 3); if (path[0] == '\0') { path[0] = SEP; path[1] = '\0'; } #ifdef __WXMSW__ /* Check that path[2] is NULL! */ else if (path[1] == ':' && !path[2]) { path[2] = SEP; path[3] = '\0'; } #endif p = q - 1; } } else if (p[1] == '.' && (p[2] == SEP || p[2] == '\0')) strcpy (p, p + 2); } } } return path; } // Must be destroyed char *wxCopyAbsolutePath(const wxString& filename) { if (filename == "") return (char *) NULL; if (! IsAbsolutePath(wxExpandPath(wxBuffer, filename))) { char buf[_MAXPATHLEN]; buf[0] = '\0'; wxGetWorkingDirectory(buf, WXSIZEOF(buf)); char ch = buf[strlen(buf) - 1]; #ifdef __WXMSW__ if (ch != '\\' && ch != '/') strcat(buf, "\\"); #else if (ch != '/') strcat(buf, "/"); #endif strcat(buf, wxBuffer); return copystring( wxRealPath(buf) ); } return copystring( wxBuffer ); } /*- Handles: ~/ => home dir ~user/ => user's home dir If the environment variable a = "foo" and b = "bar" then: Unix: $a => foo $a$b => foobar $a.c => foo.c xxx$a => xxxfoo ${a}! => foo! $(b)! => bar! \$a => \$a MSDOS: $a ==> $a $(a) ==> foo $(a)$b ==> foo$b $(a)$(b)==> foobar test.$$ ==> test.$$ */ /* input name in name, pathname output to buf. */ char *wxExpandPath(char *buf, const char *name) { register char *d, *s, *nm; char lnm[_MAXPATHLEN]; int q; // Some compilers don't like this line. // const char trimchars[] = "\n \t"; char trimchars[4]; trimchars[0] = '\n'; trimchars[1] = ' '; trimchars[2] = '\t'; trimchars[3] = 0; #ifdef __WXMSW__ const char SEP = '\\'; #else const char SEP = '/'; #endif buf[0] = '\0'; if (name == NULL || *name == '\0') return buf; nm = copystring(name); // Make a scratch copy char *nm_tmp = nm; /* Skip leading whitespace and cr */ while (strchr((char *)trimchars, *nm) != NULL) nm++; /* And strip off trailing whitespace and cr */ s = nm + (q = strlen(nm)) - 1; while (q-- && strchr((char *)trimchars, *s) != NULL) *s = '\0'; s = nm; d = lnm; #ifdef __WXMSW__ q = FALSE; #else q = nm[0] == '\\' && nm[1] == '~'; #endif /* Expand inline environment variables */ while ((*d++ = *s)) { #ifndef __WXMSW__ if (*s == '\\') { if ((*(d - 1) = *++s)) { s++; continue; } else break; } else #endif #ifdef __WXMSW__ if (*s++ == '$' && (*s == '{' || *s == ')')) #else if (*s++ == '$') #endif { register char *start = d; register int braces = (*s == '{' || *s == '('); register char *value; while ((*d++ = *s)) if (braces ? (*s == '}' || *s == ')') : !(isalnum(*s) || *s == '_') ) break; else s++; *--d = 0; value = getenv(braces ? start + 1 : start); if (value) { for ((d = start - 1); (*d++ = *value++);); d--; if (braces && *s) s++; } } } /* Expand ~ and ~user */ nm = lnm; s = ""; if (nm[0] == '~' && !q) { /* prefix ~ */ if (nm[1] == SEP || nm[1] == 0) { /* ~/filename */ if ((s = wxGetUserHome("")) != NULL) { if (*++nm) nm++; } } else { /* ~user/filename */ register char *nnm; register char *home; for (s = nm; *s && *s != SEP; s++); int was_sep; /* MATTHEW: Was there a separator, or NULL? */ was_sep = (*s == SEP); nnm = *s ? s + 1 : s; *s = 0; if ((home = wxGetUserHome(wxString(nm + 1))) == NULL) { if (was_sep) /* replace only if it was there: */ *s = SEP; s = ""; } else { nm = nnm; s = home; } } } d = buf; if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */ /* Copy home dir */ while ('\0' != (*d++ = *s++)) /* loop */; // Handle root home if (d - 1 > buf && *(d - 2) != SEP) *(d - 1) = SEP; } s = nm; while ((*d++ = *s++)); delete[] nm_tmp; // clean up alloc /* Now clean up the buffer */ return wxRealPath(buf); } /* Contract Paths to be build upon an environment variable component: example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib The call wxExpandPath can convert these back! */ char * wxContractPath (const wxString& filename, const wxString& envname, const wxString& user) { static char dest[_MAXPATHLEN]; if (filename == "") return (char *) NULL; strcpy (dest, WXSTRINGCAST filename); #ifdef __WXMSW__ Unix2DosFilename(dest); #endif // Handle environment char *val = (char *) NULL; char *tcp = (char *) NULL; if (envname != WXSTRINGCAST NULL && (val = getenv (WXSTRINGCAST envname)) != NULL && (tcp = strstr (dest, val)) != NULL) { strcpy (wxBuffer, tcp + strlen (val)); *tcp++ = '$'; *tcp++ = '{'; strcpy (tcp, WXSTRINGCAST envname); strcat (tcp, "}"); strcat (tcp, wxBuffer); } // Handle User's home (ignore root homes!) size_t len = 0; if ((val = wxGetUserHome (user)) != NULL && (len = strlen(val)) > 2 && strncmp(dest, val, len) == 0) { strcpy(wxBuffer, "~"); if (user != "") strcat(wxBuffer, (const char*) user); #ifdef __WXMSW__ // strcat(wxBuffer, "\\"); #else // strcat(wxBuffer, "/"); #endif strcat(wxBuffer, dest + len); strcpy (dest, wxBuffer); } return dest; } // Return just the filename, not the path // (basename) char *wxFileNameFromPath (char *path) { if (path) { register char *tcp; tcp = path + strlen (path); while (--tcp >= path) { if (*tcp == '/' || *tcp == '\\' #ifdef __VMS__ || *tcp == ':' || *tcp == ']') #else ) #endif return tcp + 1; } /* while */ #ifdef __WXMSW__ if (isalpha (*path) && *(path + 1) == ':') return path + 2; #endif } return path; } wxString wxFileNameFromPath (const wxString& path1) { if (path1 != "") { char *path = WXSTRINGCAST path1 ; register char *tcp; tcp = path + strlen (path); while (--tcp >= path) { if (*tcp == '/' || *tcp == '\\' #ifdef __VMS__ || *tcp == ':' || *tcp == ']') #else ) #endif return wxString(tcp + 1); } /* while */ #ifdef __WXMSW__ if (isalpha (*path) && *(path + 1) == ':') return wxString(path + 2); #endif } // Yes, this should return the path, not an empty string, otherwise // we get "thing.txt" -> "". return path1; } // Return just the directory, or NULL if no directory char * wxPathOnly (char *path) { if (path && *path) { static char buf[_MAXPATHLEN]; // Local copy strcpy (buf, path); int l = strlen(path); bool done = FALSE; int i = l - 1; // Search backward for a backward or forward slash while (!done && i > -1) { // ] is for VMS if (path[i] == '/' || path[i] == '\\' || path[i] == ']') { done = TRUE; #ifdef __VMS__ buf[i+1] = 0; #else buf[i] = 0; #endif return buf; } else i --; } #ifdef __WXMSW__ // Try Drive specifier if (isalpha (buf[0]) && buf[1] == ':') { // A:junk --> A:. (since A:.\junk Not A:\junk) buf[2] = '.'; buf[3] = '\0'; return buf; } #endif } return (char *) NULL; } // Return just the directory, or NULL if no directory wxString wxPathOnly (const wxString& path) { if (path != "") { char buf[_MAXPATHLEN]; // Local copy strcpy (buf, WXSTRINGCAST path); int l = path.Length(); bool done = FALSE; int i = l - 1; // Search backward for a backward or forward slash while (!done && i > -1) { // ] is for VMS if (path[i] == '/' || path[i] == '\\' || path[i] == ']') { done = TRUE; #ifdef __VMS__ buf[i+1] = 0; #else buf[i] = 0; #endif return wxString(buf); } else i --; } #ifdef __WXMSW__ // Try Drive specifier if (isalpha (buf[0]) && buf[1] == ':') { // A:junk --> A:. (since A:.\junk Not A:\junk) buf[2] = '.'; buf[3] = '\0'; return wxString(buf); } #endif } return wxString(""); } // Utility for converting delimiters in DOS filenames to UNIX style // and back again - or we get nasty problems with delimiters. // Also, convert to lower case, since case is significant in UNIX. #ifdef __WXMAC__ void wxMac2UnixFilename (char *s) { if (s) { memmove( s+1 , s ,strlen( s ) + 1) ; if ( *s == ':' ) *s = '.' ; else *s = '/' ; while (*s) { if (*s == ':') *s = '/'; else *s = tolower(*s); // Case INDEPENDENT s++; } } } void wxUnix2MacFilename (char *s) { if (s) { if ( *s == '.' ) { // relative path , since it goes on with slash which is translated to a : memmove( s , s+1 ,strlen( s ) ) ; } else if ( *s == '/' ) { // absolute path -> on mac just start with the drive name memmove( s , s+1 ,strlen( s ) ) ; } else { wxASSERT_MSG( 1 , "unkown path beginning" ) ; } while (*s) { if (*s == '/' || *s == '\\') *s = ':'; s++ ; } } } #endif void wxDos2UnixFilename (char *s) { if (s) while (*s) { if (*s == '\\') *s = '/'; #ifdef __WXMSW__ else *s = tolower(*s); // Case INDEPENDENT #endif s++; } } void #ifdef __WXMSW__ wxUnix2DosFilename (char *s) #else wxUnix2DosFilename (char *WXUNUSED(s)) #endif { // Yes, I really mean this to happen under DOS only! JACS #ifdef __WXMSW__ if (s) while (*s) { if (*s == '/') *s = '\\'; s++; } #endif } // Concatenate two files to form third bool wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3) { char *outfile = wxGetTempFileName("cat"); FILE *fp1 = (FILE *) NULL; FILE *fp2 = (FILE *) NULL; FILE *fp3 = (FILE *) NULL; // Open the inputs and outputs #ifdef __WXMAC__ strcpy( gwxMacFileName , file1 ) ; wxUnix2MacFilename( gwxMacFileName ) ; strcpy( gwxMacFileName2 , file2) ; wxUnix2MacFilename( gwxMacFileName2 ) ; strcpy( gwxMacFileName3 , outfile) ; wxUnix2MacFilename( gwxMacFileName3 ) ; if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL || (fp2 = fopen (gwxMacFileName2, "rb")) == NULL || (fp3 = fopen (gwxMacFileName3, "wb")) == NULL) #else if ((fp1 = fopen (WXSTRINGCAST file1, "rb")) == NULL || (fp2 = fopen (WXSTRINGCAST file2, "rb")) == NULL || (fp3 = fopen (outfile, "wb")) == NULL) #endif { if (fp1) fclose (fp1); if (fp2) fclose (fp2); if (fp3) fclose (fp3); return FALSE; } int ch; while ((ch = getc (fp1)) != EOF) (void) putc (ch, fp3); fclose (fp1); while ((ch = getc (fp2)) != EOF) (void) putc (ch, fp3); fclose (fp2); fclose (fp3); bool result = wxRenameFile(outfile, file3); delete[] outfile; return result; } // Copy files bool wxCopyFile (const wxString& file1, const wxString& file2) { FILE *fd1; FILE *fd2; int ch; #ifdef __WXMAC__ strcpy( gwxMacFileName , file1 ) ; wxUnix2MacFilename( gwxMacFileName ) ; strcpy( gwxMacFileName2 , file2) ; wxUnix2MacFilename( gwxMacFileName2 ) ; if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL) return FALSE; if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL) #else if ((fd1 = fopen (WXSTRINGCAST file1, "rb")) == NULL) return FALSE; if ((fd2 = fopen (WXSTRINGCAST file2, "wb")) == NULL) #endif { fclose (fd1); return FALSE; } while ((ch = getc (fd1)) != EOF) (void) putc (ch, fd2); fclose (fd1); fclose (fd2); return TRUE; } bool wxRenameFile (const wxString& file1, const wxString& file2) { #ifdef __WXMAC__ strcpy( gwxMacFileName , file1 ) ; wxUnix2MacFilename( gwxMacFileName ) ; strcpy( gwxMacFileName2 , file2) ; wxUnix2MacFilename( gwxMacFileName2 ) ; if (0 == rename (gwxMacFileName, gwxMacFileName2)) return TRUE; #else // Normal system call if (0 == rename (WXSTRINGCAST file1, WXSTRINGCAST file2)) return TRUE; #endif // Try to copy if (wxCopyFile(file1, file2)) { wxRemoveFile(file1); return TRUE; } // Give up return FALSE; } bool wxRemoveFile(const wxString& file) { #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__) int flag = remove(WXSTRINGCAST file); #elif defined( __WXMAC__ ) strcpy( gwxMacFileName , file ) ; wxUnix2MacFilename( gwxMacFileName ) ; int flag = unlink(gwxMacFileName); #else int flag = unlink(WXSTRINGCAST file); #endif return (flag == 0) ; } bool wxMkdir(const wxString& dir, int perm) { #if defined( __WXMAC__ ) strcpy( gwxMacFileName , dir ) ; wxUnix2MacFilename( gwxMacFileName ) ; const char *dirname = gwxMacFileName; #else // !Mac const char *dirname = dir.c_str(); #endif // Mac/!Mac // assume mkdir() has 2 args on non Windows platforms and on Windows too // for the GNU compiler #if !defined(__WXMSW__) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) if ( mkdir(dirname, perm) != 0 ) #else // MSW if ( mkdir(dirname) != 0 ) #endif // !MSW/MSW { wxLogSysError(_("Directory '%s' couldn't be created"), dirname); return FALSE; } return TRUE; } bool wxRmdir(const wxString& dir, int WXUNUSED(flags)) { #ifdef __VMS__ return FALSE; #elif defined( __WXMAC__ ) strcpy( gwxMacFileName , dir ) ; wxUnix2MacFilename( gwxMacFileName ) ; return (rmdir(WXSTRINGCAST gwxMacFileName) == 0); #else #ifdef __SALFORDC__ return FALSE; // What to do? #else return (rmdir(WXSTRINGCAST dir) == 0); #endif #endif } #if 0 bool wxDirExists(const wxString& dir) { #ifdef __VMS__ return FALSE; #elif !defined(__WXMSW__) struct stat sbuf; return (stat(dir, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE; #else /* MATTHEW: [6] Always use same code for Win32, call FindClose */ #if defined(__WIN32__) WIN32_FIND_DATA fileInfo; #else #ifdef __BORLANDC__ struct ffblk fileInfo; #else struct find_t fileInfo; #endif #endif #if defined(__WIN32__) HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo); if (h==INVALID_HANDLE_VALUE) return FALSE; else { FindClose(h); return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY); } #else // In Borland findfirst has a different argument // ordering from _dos_findfirst. But _dos_findfirst // _should_ be ok in both MS and Borland... why not? #ifdef __BORLANDC__ return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0)); #else return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0); #endif #endif #endif } #endif // does the path exists? (may have or not '/' or '\\' at the end) bool wxPathExists(const char *pszPathName) { // Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists // OTOH, we should change "d:" to "d:\" and leave "\" as is. wxString strPath(pszPathName); if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != '\0' ) strPath.Last() = '\0'; #ifdef __SALFORDC__ struct _stat st; #else struct stat st; #endif return stat((char*) (const char*) strPath, &st) == 0 && (st.st_mode & S_IFDIR); } // Get a temporary filename, opening and closing the file. char *wxGetTempFileName(const wxString& prefix, char *buf) { #ifdef __WINDOWS__ #ifndef __WIN32__ char tmp[144]; ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp); #else char tmp[MAX_PATH]; char tmpPath[MAX_PATH]; ::GetTempPath(MAX_PATH, tmpPath); ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp); #endif if (buf) strcpy(buf, tmp); else buf = copystring(tmp); return buf; #else static short last_temp = 0; // cache last to speed things a bit // At most 1000 temp files to a process! We use a ring count. char tmp[100]; // FIXME static buffer for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000) { sprintf (tmp, "/tmp/%s%d.%03x", WXSTRINGCAST prefix, (int) getpid (), (int) suffix); if (!wxFileExists( tmp )) { // Touch the file to create it (reserve name) FILE *fd = fopen (tmp, "w"); if (fd) fclose (fd); last_temp = suffix; if (buf) strcpy( buf, tmp); else buf = copystring( tmp ); return buf; } } wxLogError( _("wxWindows: error finding temporary file name.\n") ); if (buf) buf[0] = 0; return (char *) NULL; #endif } // Get first file name matching given wild card. #ifdef __UNIX__ // Get first file name matching given wild card. // Flags are reserved for future use. #ifndef __VMS__ static DIR *gs_dirStream = (DIR *) NULL; static wxString gs_strFileSpec; static int gs_findFlags = 0; #endif wxString wxFindFirstFile(const char *spec, int flags) { wxString result; #ifndef __VMS__ if (gs_dirStream) closedir(gs_dirStream); // edz 941103: better housekeping gs_findFlags = flags; gs_strFileSpec = spec; // Find path only so we can concatenate // found file onto path wxString path(wxPathOnly(gs_strFileSpec)); // special case: path is really "/" if ( !path && gs_strFileSpec[0u] == '/' ) path = '/'; // path is empty => Local directory if ( !path ) path = '.'; gs_dirStream = opendir(path); if ( !gs_dirStream ) { wxLogSysError(_("Can not enumerate files in directory '%s'"), path.c_str()); } else { result = wxFindNextFile(); } #endif // !VMS return result; } wxString wxFindNextFile() { wxString result; #ifndef __VMS__ wxCHECK_MSG( gs_dirStream, result, "must call wxFindFirstFile first" ); // Find path only so we can concatenate // found file onto path wxString path(wxPathOnly(gs_strFileSpec)); wxString name(wxFileNameFromPath(gs_strFileSpec)); /* MATTHEW: special case: path is really "/" */ if ( !path && gs_strFileSpec[0u] == '/') path = '/'; // Do the reading struct dirent *nextDir; for ( nextDir = readdir(gs_dirStream); nextDir != NULL; nextDir = readdir(gs_dirStream) ) { if (wxMatchWild(name, nextDir->d_name)) { result.Empty(); if ( !path.IsEmpty() ) { result = path; if ( path != '/' ) result += '/'; } result += nextDir->d_name; // Only return "." and ".." when they match bool isdir; if ( (strcmp(nextDir->d_name, ".") == 0) || (strcmp(nextDir->d_name, "..") == 0)) { if ( (gs_findFlags & wxDIR) != 0 ) isdir = TRUE; else continue; } else isdir = wxDirExists(result); // and only return directories when flags & wxDIR if ( !gs_findFlags || ((gs_findFlags & wxDIR) && isdir) || ((gs_findFlags & wxFILE) && !isdir) ) { return result; } } } result.Empty(); // not found closedir(gs_dirStream); gs_dirStream = (DIR *) NULL; #endif // !VMS return result; } #elif defined(__WXMSW__) #ifdef __WIN32__ static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE; static WIN32_FIND_DATA gs_findDataStruct; #else // Win16 #ifdef __BORLANDC__ static struct ffblk gs_findDataStruct; #else static struct _find_t gs_findDataStruct; #endif // Borland #endif // Win32/16 static wxString gs_strFileSpec; static int gs_findFlags = 0; wxString wxFindFirstFile(const char *spec, int flags) { wxString result; gs_strFileSpec = spec; gs_findFlags = flags; /* MATTHEW: [5] Remember flags */ // Find path only so we can concatenate found file onto path wxString path(wxPathOnly(gs_strFileSpec)); if ( !path.IsEmpty() ) result << path << '\\'; #ifdef __WIN32__ if ( gs_hFileStruct != INVALID_HANDLE_VALUE ) FindClose(gs_hFileStruct); gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct); if ( gs_hFileStruct == INVALID_HANDLE_VALUE ) { result.Empty(); return result; } bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); if (isdir && !(flags & wxDIR)) return wxFindNextFile(); else if (!isdir && flags && !(flags & wxFILE)) return wxFindNextFile(); result += gs_findDataStruct.cFileName; return result; #else int flag = _A_NORMAL; if (flags & wxDIR) /* MATTHEW: [5] Use & */ flag = _A_SUBDIR; #ifdef __BORLANDC__ if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0) #else if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0) #endif { /* MATTHEW: [5] Check directory flag */ char attrib; #ifdef __BORLANDC__ attrib = gs_findDataStruct.ff_attrib; #else attrib = gs_findDataStruct.attrib; #endif if (attrib & _A_SUBDIR) { if (!(gs_findFlags & wxDIR)) return wxFindNextFile(); } else if (gs_findFlags && !(gs_findFlags & wxFILE)) return wxFindNextFile(); result += #ifdef __BORLANDC__ gs_findDataStruct.ff_name #else gs_findDataStruct.name #endif ; } #endif // __WIN32__ return result; } wxString wxFindNextFile() { wxString result; // Find path only so we can concatenate found file onto path wxString path(wxPathOnly(gs_strFileSpec)); try_again: #ifdef __WIN32__ if (gs_hFileStruct == INVALID_HANDLE_VALUE) return result; bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0); if (!success) { FindClose(gs_hFileStruct); gs_hFileStruct = INVALID_HANDLE_VALUE; } else { bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); if (isdir && !(gs_findFlags & wxDIR)) goto try_again; else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE)) goto try_again; if ( !path.IsEmpty() ) result << path << '\\'; result << gs_findDataStruct.cFileName; } return result; #else // Win16 #ifdef __BORLANDC__ if (findnext(&gs_findDataStruct) == 0) #else if (_dos_findnext(&gs_findDataStruct) == 0) #endif { /* MATTHEW: [5] Check directory flag */ char attrib; #ifdef __BORLANDC__ attrib = gs_findDataStruct.ff_attrib; #else attrib = gs_findDataStruct.attrib; #endif if (attrib & _A_SUBDIR) { if (!(gs_findFlags & wxDIR)) goto try_again; } else if (gs_findFlags && !(gs_findFlags & wxFILE)) goto try_again; result += #ifdef __BORLANDC__ gs_findDataStruct.ff_name #else gs_findDataStruct.name #endif ; } #endif // Win32/16 return result; } #endif // Unix/Windows // Get current working directory. // If buf is NULL, allocates space using new, else // copies into buf. char *wxGetWorkingDirectory(char *buf, int sz) { if (!buf) buf = new char[sz+1]; #ifdef _MSC_VER if (_getcwd(buf, sz) == NULL) { #else if (getcwd(buf, sz) == NULL) { #endif buf[0] = '.'; buf[1] = '\0'; } return buf; } wxString wxGetCwd() { static const size_t maxPathLen = 1024; wxString str; wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen); str.UngetWriteBuf(); return str; } bool wxSetWorkingDirectory(const wxString& d) { #if defined( __UNIX__ ) || defined( __WXMAC__ ) return (chdir(d) == 0); #elif defined(__WINDOWS__) #ifdef __WIN32__ return (bool)(SetCurrentDirectory(d) != 0); #else // Must change drive, too. bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':')); if (isDriveSpec) { char firstChar = d[0]; // To upper case if (firstChar > 90) firstChar = firstChar - 32; // To a drive number unsigned int driveNo = firstChar - 64; if (driveNo > 0) { unsigned int noDrives; _dos_setdrive(driveNo, &noDrives); } } bool success = (chdir(WXSTRINGCAST d) == 0); return success; #endif #endif } // Get the OS directory if appropriate (such as the Windows directory). // On non-Windows platform, probably just return the empty string. wxString wxGetOSDirectory() { #ifdef __WINDOWS__ char buf[256]; GetWindowsDirectory(buf, 256); return wxString(buf); #else return wxEmptyString; #endif } bool wxEndsWithPathSeparator(const char *pszFileName) { size_t len = Strlen(pszFileName); if ( len == 0 ) return FALSE; else return wxIsPathSeparator(pszFileName[len - 1]); } // find a file in a list of directories, returns false if not found bool wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile) { // we assume that it's not empty wxCHECK_MSG( !IsEmpty(pszFile), FALSE, _("empty file name in wxFindFileInPath")); // skip path separator in the beginning of the file name if present if ( wxIsPathSeparator(*pszFile) ) pszFile++; // copy the path (strtok will modify it) char *szPath = new char[strlen(pszPath) + 1]; strcpy(szPath, pszPath); wxString strFile; char *pc; for ( pc = strtok(szPath, wxPATH_SEP); pc != NULL; pc = strtok((char *) NULL, wxPATH_SEP) ) { // search for the file in this directory strFile = pc; if ( !wxEndsWithPathSeparator(pc) ) strFile += wxFILE_SEP_PATH; strFile += pszFile; if ( FileExists(strFile) ) { *pStr = strFile; break; } } delete [] szPath; return pc != NULL; // if true => we breaked from the loop } void WXDLLEXPORT wxSplitPath(const char *pszFileName, wxString *pstrPath, wxString *pstrName, wxString *pstrExt) { // it can be empty, but it shouldn't be NULL wxCHECK_RET( pszFileName, "NULL file name in wxSplitPath" ); const char *pDot = strrchr(pszFileName, wxFILE_SEP_EXT); #ifdef __WXMSW__ // under Windows we understand both separators const char *pSepUnix = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX); const char *pSepDos = strrchr(pszFileName, wxFILE_SEP_PATH_DOS); const char *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos; #else // assume Unix const char *pLastSeparator = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX); if ( pDot == pszFileName ) { // under Unix files like .profile are treated in a special way pDot = NULL; } #endif // MSW/Unix if ( pDot < pLastSeparator ) { // the dot is part of the path, not the start of the extension pDot = NULL; } if ( pstrPath ) { if ( pLastSeparator ) *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName); else pstrPath->Empty(); } if ( pstrName ) { const char *start = pLastSeparator ? pLastSeparator + 1 : pszFileName; const char *end = pDot ? pDot : pszFileName + strlen(pszFileName); *pstrName = wxString(start, end - start); } if ( pstrExt ) { if ( pDot ) *pstrExt = wxString(pDot + 1); else pstrExt->Empty(); } } //------------------------------------------------------------------------ // wild character routines //------------------------------------------------------------------------ bool wxIsWild( const wxString& pattern ) { wxString tmp = pattern; char *pat = WXSTRINGCAST(tmp); while (*pat) { switch (*pat++) { case '?': case '*': case '[': case '{': return TRUE; case '\\': if (!*pat++) return FALSE; } } return FALSE; }; bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) #if defined(HAVE_FNMATCH_H) { if(dot_special) return fnmatch(pat.c_str(), text.c_str(), FNM_PERIOD) == 0; else return fnmatch(pat.c_str(), text.c_str(), 0) == 0; } #else // #pragma error Broken implementation of wxMatchWild() -- needs fixing! /* * WARNING: this code is broken! */ { wxString tmp1 = pat; char *pattern = WXSTRINGCAST(tmp1); wxString tmp2 = text; char *str = WXSTRINGCAST(tmp2); char c; char *cp; bool done = FALSE, ret_code, ok; // Below is for vi fans const char OB = '{', CB = '}'; // dot_special means '.' only matches '.' if (dot_special && *str == '.' && *pattern != *str) return FALSE; while ((*pattern != '\0') && (!done) && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) { switch (*pattern) { case '\\': pattern++; if (*pattern != '\0') pattern++; break; case '*': pattern++; ret_code = FALSE; while ((*str!='\0') && (!(ret_code=wxMatchWild(pattern, str++, FALSE)))) /*loop*/; if (ret_code) { while (*str != '\0') str++; while (*pattern != '\0') pattern++; } break; case '[': pattern++; repeat: if ((*pattern == '\0') || (*pattern == ']')) { done = TRUE; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done = TRUE; break; } } if (*(pattern + 1) == '-') { c = *pattern; pattern += 2; if (*pattern == ']') { done = TRUE; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done = TRUE; break; } } if ((*str < c) || (*str > *pattern)) { pattern++; goto repeat; } } else if (*pattern != *str) { pattern++; goto repeat; } pattern++; while ((*pattern != ']') && (*pattern != '\0')) { if ((*pattern == '\\') && (*(pattern + 1) != '\0')) pattern++; pattern++; } if (*pattern != '\0') { pattern++, str++; } break; case '?': pattern++; str++; break; case OB: pattern++; while ((*pattern != CB) && (*pattern != '\0')) { cp = str; ok = TRUE; while (ok && (*cp != '\0') && (*pattern != '\0') && (*pattern != ',') && (*pattern != CB)) { if (*pattern == '\\') pattern++; ok = (*pattern++ == *cp++); } if (*pattern == '\0') { ok = FALSE; done = TRUE; break; } else if (ok) { str = cp; while ((*pattern != CB) && (*pattern != '\0')) { if (*++pattern == '\\') { if (*++pattern == CB) pattern++; } } } else { while (*pattern!=CB && *pattern!=',' && *pattern!='\0') { if (*++pattern == '\\') { if (*++pattern == CB || *pattern == ',') pattern++; } } } if (*pattern != '\0') pattern++; } break; default: if (*str == *pattern) { str++, pattern++; } else { done = TRUE; } } } while (*pattern == '*') pattern++; return ((*str == '\0') && (*pattern == '\0')); }; #endif #ifdef __VISUALC__ #pragma warning(default:4706) // assignment within conditional expression #endif // VC++