///////////////////////////////////////////////////////////////////////////// // Name: wx/filefn.h // Purpose: File- and directory-related functions // Author: Julian Smart // Modified by: // Created: 29/01/98 // Copyright: (c) 1998 Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _FILEFN_H_ #define _FILEFN_H_ #include "wx/list.h" #include "wx/arrstr.h" #include #include #include #if defined(__UNIX__) #include #include #endif #if defined(__WINDOWS__) #if !defined( __GNUWIN32__ ) && !defined(__CYGWIN__) #include #include #include #endif // __WINDOWS__ #endif // native Win compiler #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 #include // O_RDONLY &c // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // MSVC doesn't define mode_t, so do it ourselves unless someone else // had already predefined it. #if defined(__VISUALC__) && !defined(wxHAS_MODE_T) #define wxHAS_MODE_T typedef int mode_t; #endif // define off_t #include #if defined(__VISUALC__) typedef _off_t off_t; #endif enum wxSeekMode { wxFromStart, wxFromCurrent, wxFromEnd }; enum wxFileKind { wxFILE_KIND_UNKNOWN, wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets wxFILE_KIND_TERMINAL, // a tty wxFILE_KIND_PIPE // a pipe }; // we redefine these constants here because S_IREAD &c are _not_ standard // however, we do assume that the values correspond to the Unix umask bits enum wxPosixPermissions { // standard Posix names for these permission flags: wxS_IRUSR = 00400, wxS_IWUSR = 00200, wxS_IXUSR = 00100, wxS_IRGRP = 00040, wxS_IWGRP = 00020, wxS_IXGRP = 00010, wxS_IROTH = 00004, wxS_IWOTH = 00002, wxS_IXOTH = 00001, // longer but more readable synonyms for the constants above: wxPOSIX_USER_READ = wxS_IRUSR, wxPOSIX_USER_WRITE = wxS_IWUSR, wxPOSIX_USER_EXECUTE = wxS_IXUSR, wxPOSIX_GROUP_READ = wxS_IRGRP, wxPOSIX_GROUP_WRITE = wxS_IWGRP, wxPOSIX_GROUP_EXECUTE = wxS_IXGRP, wxPOSIX_OTHERS_READ = wxS_IROTH, wxPOSIX_OTHERS_WRITE = wxS_IWOTH, wxPOSIX_OTHERS_EXECUTE = wxS_IXOTH, // default mode for the new files: allow reading/writing them to everybody but // the effective file mode will be set after anding this value with umask and // so won't include wxS_IW{GRP,OTH} for the default 022 umask value wxS_DEFAULT = (wxPOSIX_USER_READ | wxPOSIX_USER_WRITE | \ wxPOSIX_GROUP_READ | wxPOSIX_GROUP_WRITE | \ wxPOSIX_OTHERS_READ | wxPOSIX_OTHERS_WRITE), // default mode for the new directories (see wxFileName::Mkdir): allow // reading/writing/executing them to everybody, but just like wxS_DEFAULT // the effective directory mode will be set after anding this value with umask wxS_DIR_DEFAULT = (wxPOSIX_USER_READ | wxPOSIX_USER_WRITE | wxPOSIX_USER_EXECUTE | \ wxPOSIX_GROUP_READ | wxPOSIX_GROUP_WRITE | wxPOSIX_GROUP_EXECUTE | \ wxPOSIX_OTHERS_READ | wxPOSIX_OTHERS_WRITE | wxPOSIX_OTHERS_EXECUTE) }; // ---------------------------------------------------------------------------- // declare our versions of low level file functions: some compilers prepend // underscores to the usual names, some also have Unicode versions of them // ---------------------------------------------------------------------------- #if defined(__WINDOWS__) && \ ( \ defined(__VISUALC__) || \ defined(__MINGW64_TOOLCHAIN__) || \ (defined(__MINGW32__) && !defined(__WINE__) && \ wxCHECK_W32API_VERSION(0, 5)) || \ defined(__BORLANDC__) \ ) // temporary defines just used immediately below #undef wxHAS_HUGE_FILES #undef wxHAS_HUGE_STDIO_FILES // detect compilers which have support for huge files #if defined(__VISUALC__) #define wxHAS_HUGE_FILES 1 #elif defined(__MINGW32__) #define wxHAS_HUGE_FILES 1 #elif defined(_LARGE_FILES) #define wxHAS_HUGE_FILES 1 #endif // detect compilers which have support for huge stdio files #if wxCHECK_VISUALC_VERSION(8) #define wxHAS_HUGE_STDIO_FILES #define wxFseek _fseeki64 #define wxFtell _ftelli64 #elif wxCHECK_MINGW32_VERSION(3, 5) // mingw-runtime version (not gcc) #define wxHAS_HUGE_STDIO_FILES wxDECL_FOR_STRICT_MINGW32(int, fseeko64, (FILE*, long long, int)) #define wxFseek fseeko64 #ifdef wxNEEDS_STRICT_ANSI_WORKAROUNDS // Unfortunately ftello64() is not defined in the library for // whatever reason but as an inline function, so define wxFtell() // here similarly. inline long long wxFtell(FILE* fp) { fpos_t pos; return fgetpos(fp, &pos) == 0 ? pos : -1LL; } #else #define wxFtell ftello64 #endif #endif // other Windows compilers (Borland) don't have huge file support (or at // least not all functions needed for it by wx) currently // types #ifdef wxHAS_HUGE_FILES typedef wxLongLong_t wxFileOffset; #define wxFileOffsetFmtSpec wxLongLongFmtSpec #else typedef off_t wxFileOffset; #endif // at least Borland 5.5 doesn't like "struct ::stat" so don't use the scope // resolution operator present in wxPOSIX_IDENT for it #ifdef __BORLANDC__ #define wxPOSIX_STRUCT(s) struct s #else #define wxPOSIX_STRUCT(s) struct wxPOSIX_IDENT(s) #endif // Borland is special in that it uses _stat with Unicode functions (for // MSVC compatibility?) but stat with ANSI ones #ifdef __BORLANDC__ #if wxHAS_HUGE_FILES #define wxStructStat struct stati64 #else #if wxUSE_UNICODE #define wxStructStat struct _stat #else #define wxStructStat struct stat #endif #endif #else // !__BORLANDC__ #ifdef wxHAS_HUGE_FILES #define wxStructStat struct _stati64 #else #define wxStructStat struct _stat #endif #endif // __BORLANDC__/!__BORLANDC__ // functions // MSVC and compatible compilers prepend underscores to the POSIX function // names, other compilers don't and even if their later versions usually do // define the versions with underscores for MSVC compatibility, it's better // to avoid using them as they're not present in earlier versions and // always using the native functions spelling is easier than testing for // the versions #if defined(__BORLANDC__) || defined(__MINGW64_TOOLCHAIN__) #define wxPOSIX_IDENT(func) ::func #else // by default assume MSVC-compatible names #define wxPOSIX_IDENT(func) _ ## func #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS #endif // first functions not working with strings, i.e. without ANSI/Unicode // complications #define wxClose wxPOSIX_IDENT(close) #define wxRead wxPOSIX_IDENT(read) #define wxWrite wxPOSIX_IDENT(write) #ifdef wxHAS_HUGE_FILES #ifndef __MINGW64_TOOLCHAIN__ #define wxSeek wxPOSIX_IDENT(lseeki64) #define wxLseek wxPOSIX_IDENT(lseeki64) #define wxTell wxPOSIX_IDENT(telli64) #else // unfortunately, mingw-W64 is somewhat inconsistent... #define wxSeek _lseeki64 #define wxLseek _lseeki64 #define wxTell _telli64 #endif #else // !wxHAS_HUGE_FILES #define wxSeek wxPOSIX_IDENT(lseek) #define wxLseek wxPOSIX_IDENT(lseek) #define wxTell wxPOSIX_IDENT(tell) #endif // wxHAS_HUGE_FILES/!wxHAS_HUGE_FILES #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540) // NB: this one is not POSIX and always has the underscore #define wxFsync _commit // could be already defined by configure (Cygwin) #ifndef HAVE_FSYNC #define HAVE_FSYNC #endif #endif // BORLANDC #define wxEof wxPOSIX_IDENT(eof) // then the functions taking strings // first the ANSI versions #define wxCRT_OpenA wxPOSIX_IDENT(open) #define wxCRT_AccessA wxPOSIX_IDENT(access) #define wxCRT_ChmodA wxPOSIX_IDENT(chmod) #define wxCRT_MkDirA wxPOSIX_IDENT(mkdir) #define wxCRT_RmDirA wxPOSIX_IDENT(rmdir) #ifdef wxHAS_HUGE_FILES // MinGW-64 provides underscore-less versions of all file functions // except for this one. #ifdef __MINGW64_TOOLCHAIN__ #define wxCRT_StatA _stati64 #else #define wxCRT_StatA wxPOSIX_IDENT(stati64) #endif #else #define wxCRT_StatA wxPOSIX_IDENT(stat) #endif // then wide char ones #if wxUSE_UNICODE // special workaround for buggy wopen() in bcc 5.5 #if defined(__BORLANDC__) && \ (__BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551) WXDLLIMPEXP_BASE int wxCRT_OpenW(const wxChar *pathname, int flags, mode_t mode); #else #define wxCRT_OpenW _wopen #endif wxDECL_FOR_STRICT_MINGW32(int, _wmkdir, (const wchar_t*)) wxDECL_FOR_STRICT_MINGW32(int, _wrmdir, (const wchar_t*)) #define wxCRT_AccessW _waccess #define wxCRT_ChmodW _wchmod #define wxCRT_MkDirW _wmkdir #define wxCRT_RmDirW _wrmdir #ifdef wxHAS_HUGE_FILES #define wxCRT_StatW _wstati64 #else #define wxCRT_StatW _wstat #endif #endif // wxUSE_UNICODE // finally the default char-type versions #if wxUSE_UNICODE #define wxCRT_Open wxCRT_OpenW #define wxCRT_Access wxCRT_AccessW #define wxCRT_Chmod wxCRT_ChmodW #define wxCRT_MkDir wxCRT_MkDirW #define wxCRT_RmDir wxCRT_RmDirW #define wxCRT_Stat wxCRT_StatW #else // !wxUSE_UNICODE #define wxCRT_Open wxCRT_OpenA #define wxCRT_Access wxCRT_AccessA #define wxCRT_Chmod wxCRT_ChmodA #define wxCRT_MkDir wxCRT_MkDirA #define wxCRT_RmDir wxCRT_RmDirA #define wxCRT_Stat wxCRT_StatA #endif // wxUSE_UNICODE/!wxUSE_UNICODE // constants (unless already defined by the user code) #ifdef wxHAS_UNDERSCORES_IN_POSIX_IDENTS #ifndef O_RDONLY #define O_RDONLY _O_RDONLY #define O_WRONLY _O_WRONLY #define O_RDWR _O_RDWR #define O_EXCL _O_EXCL #define O_CREAT _O_CREAT #define O_BINARY _O_BINARY #endif #ifndef S_IFMT #define S_IFMT _S_IFMT #define S_IFDIR _S_IFDIR #define S_IFREG _S_IFREG #endif #endif // wxHAS_UNDERSCORES_IN_POSIX_IDENTS #ifdef wxHAS_HUGE_FILES // wxFile is present and supports large files. #if wxUSE_FILE #define wxHAS_LARGE_FILES #endif // wxFFile is present and supports large files #if wxUSE_FFILE && defined wxHAS_HUGE_STDIO_FILES #define wxHAS_LARGE_FFILES #endif #endif // private defines, undefine so that nobody gets tempted to use #undef wxHAS_HUGE_FILES #undef wxHAS_HUGE_STDIO_FILES #else // Unix or Windows using unknown compiler, assume POSIX supported typedef off_t wxFileOffset; #ifdef HAVE_LARGEFILE_SUPPORT #define wxFileOffsetFmtSpec wxLongLongFmtSpec wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t), BadFileSizeType ); // wxFile is present and supports large files #if wxUSE_FILE #define wxHAS_LARGE_FILES #endif // wxFFile is present and supports large files #if wxUSE_FFILE && (SIZEOF_LONG == 8 || defined HAVE_FSEEKO) #define wxHAS_LARGE_FFILES #endif #ifdef HAVE_FSEEKO #define wxFseek fseeko #define wxFtell ftello #endif #else #define wxFileOffsetFmtSpec wxT("") #endif // functions #define wxClose close #define wxRead ::read #define wxWrite ::write #define wxLseek lseek #define wxSeek lseek #define wxFsync fsync #define wxEof eof #define wxCRT_MkDir mkdir #define wxCRT_RmDir rmdir #define wxTell(fd) lseek(fd, 0, SEEK_CUR) #define wxStructStat struct stat #define wxCRT_Open open #define wxCRT_Stat stat #define wxCRT_Lstat lstat #define wxCRT_Access access #define wxCRT_Chmod chmod #define wxHAS_NATIVE_LSTAT #endif // platforms // if the platform doesn't have symlinks, define wxCRT_Lstat to be the same as // wxCRT_Stat to avoid #ifdefs in the code using it #ifndef wxHAS_NATIVE_LSTAT #define wxCRT_Lstat wxCRT_Stat #endif // define wxFseek/wxFtell to large file versions if available (done above) or // to fseek/ftell if not, to save ifdefs in using code #ifndef wxFseek #define wxFseek fseek #endif #ifndef wxFtell #define wxFtell ftell #endif inline int wxAccess(const wxString& path, mode_t mode) { return wxCRT_Access(path.fn_str(), mode); } inline int wxChmod(const wxString& path, mode_t mode) { return wxCRT_Chmod(path.fn_str(), mode); } inline int wxOpen(const wxString& path, int flags, mode_t mode) { return wxCRT_Open(path.fn_str(), flags, mode); } inline int wxStat(const wxString& path, wxStructStat *buf) { return wxCRT_Stat(path.fn_str(), buf); } inline int wxLstat(const wxString& path, wxStructStat *buf) { return wxCRT_Lstat(path.fn_str(), buf); } inline int wxRmDir(const wxString& path) { return wxCRT_RmDir(path.fn_str()); } #if (defined(__WINDOWS__) && !defined(__CYGWIN__)) inline int wxMkDir(const wxString& path, mode_t WXUNUSED(mode) = 0) { return wxCRT_MkDir(path.fn_str()); } #else inline int wxMkDir(const wxString& path, mode_t mode) { return wxCRT_MkDir(path.fn_str(), mode); } #endif #ifdef O_BINARY #define wxO_BINARY O_BINARY #else #define wxO_BINARY 0 #endif const int wxInvalidOffset = -1; // ---------------------------------------------------------------------------- // functions // ---------------------------------------------------------------------------- WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename); // does the path exist? (may have or not '/' or '\\' at the end) WXDLLIMPEXP_BASE bool wxDirExists(const wxString& pathName); WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename); // Get filename WXDLLIMPEXP_BASE wxChar* wxFileNameFromPath(wxChar *path); WXDLLIMPEXP_BASE wxString wxFileNameFromPath(const wxString& path); // Get directory WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path); // all deprecated functions below are deprecated in favour of wxFileName's methods #if WXWIN_COMPATIBILITY_2_8 wxDEPRECATED( WXDLLIMPEXP_BASE void wxDos2UnixFilename(char *s) ); wxDEPRECATED( WXDLLIMPEXP_BASE void wxDos2UnixFilename(wchar_t *s) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE void wxUnix2DosFilename(char *s) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE void wxUnix2DosFilename(wchar_t *s) ); // Strip the extension, in situ // Deprecated in favour of wxFileName::StripExtension() but notice that their // behaviour is slightly different, see the manual wxDEPRECATED( WXDLLIMPEXP_BASE void wxStripExtension(char *buffer) ); wxDEPRECATED( WXDLLIMPEXP_BASE void wxStripExtension(wchar_t *buffer) ); wxDEPRECATED( WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer) ); // Get a temporary filename wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = NULL) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf) ); // Expand file name (~/ and ${OPENWINHOME}/ stuff) wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE char* wxExpandPath(char *dest, const wxString& path) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wchar_t* wxExpandPath(wchar_t *dest, const wxString& path) ); // DEPRECATED: use wxFileName::Normalize(wxPATH_NORM_ENV_VARS) // Contract w.r.t environment ( -> ${OPENWINHOME}/lib) // and make (if under the home tree) relative to home // [caller must copy-- volatile] wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxContractPath(const wxString& filename, const wxString& envname = wxEmptyString, const wxString& user = wxEmptyString) ); // DEPRECATED: use wxFileName::ReplaceEnvVariable and wxFileName::ReplaceHomeDir // Destructive removal of /./ and /../ stuff wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE char* wxRealPath(char *path) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wchar_t* wxRealPath(wchar_t *path) ); wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path) ); // DEPRECATED: use wxFileName::Normalize instead // Allocate a copy of the full absolute path wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path) ); // DEPRECATED: use wxFileName::MakeAbsolute instead #endif // Get first file name matching given wild card. // Flags are reserved for future use. #define wxFILE 1 #define wxDIR 2 WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxString& spec, int flags = wxFILE); WXDLLIMPEXP_BASE wxString wxFindNextFile(); // Does the pattern contain wildcards? WXDLLIMPEXP_BASE bool wxIsWild(const wxString& pattern); // Does the pattern match the text (usually a filename)? // If dot_special is true, doesn't match * against . (eliminating // `hidden' dot files) WXDLLIMPEXP_BASE bool wxMatchWild(const wxString& pattern, const wxString& text, bool dot_special = true); // Concatenate two files to form third WXDLLIMPEXP_BASE bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3); // Copy file1 to file2 WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2, bool overwrite = true); // Remove file WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file); // Rename file WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite = true); // Get current working directory. WXDLLIMPEXP_BASE wxString wxGetCwd(); // Set working directory WXDLLIMPEXP_BASE bool wxSetWorkingDirectory(const wxString& d); // Make directory WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = wxS_DIR_DEFAULT); // Remove directory. Flags reserved for future use. WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0); // Return the type of an open file WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd); WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp); // permissions; these functions work both on files and directories: WXDLLIMPEXP_BASE bool wxIsWritable(const wxString &path); WXDLLIMPEXP_BASE bool wxIsReadable(const wxString &path); WXDLLIMPEXP_BASE bool wxIsExecutable(const wxString &path); // ---------------------------------------------------------------------------- // separators in file names // ---------------------------------------------------------------------------- // between file name and extension #define wxFILE_SEP_EXT wxT('.') // between drive/volume name and the path #define wxFILE_SEP_DSK wxT(':') // between the path components #define wxFILE_SEP_PATH_DOS wxT('\\') #define wxFILE_SEP_PATH_UNIX wxT('/') #define wxFILE_SEP_PATH_MAC wxT(':') #define wxFILE_SEP_PATH_VMS wxT('.') // VMS also uses '[' and ']' // separator in the path list (as in PATH environment variable) // there is no PATH variable in Classic Mac OS so just use the // semicolon (it must be different from the file name separator) // NB: these are strings and not characters on purpose! #define wxPATH_SEP_DOS wxT(";") #define wxPATH_SEP_UNIX wxT(":") #define wxPATH_SEP_MAC wxT(";") // platform independent versions #if defined(__UNIX__) // CYGWIN also uses UNIX settings #define wxFILE_SEP_PATH wxFILE_SEP_PATH_UNIX #define wxPATH_SEP wxPATH_SEP_UNIX #elif defined(__MAC__) #define wxFILE_SEP_PATH wxFILE_SEP_PATH_MAC #define wxPATH_SEP wxPATH_SEP_MAC #else // Windows and OS/2 #define wxFILE_SEP_PATH wxFILE_SEP_PATH_DOS #define wxPATH_SEP wxPATH_SEP_DOS #endif // Unix/Windows // this is useful for wxString::IsSameAs(): to compare two file names use // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE) #if defined(__UNIX__) && !defined(__DARWIN__) #define wxARE_FILENAMES_CASE_SENSITIVE true #else // Windows, Mac OS and OS/2 #define wxARE_FILENAMES_CASE_SENSITIVE false #endif // Unix/Windows // is the char a path separator? inline bool wxIsPathSeparator(wxChar c) { // under DOS/Windows we should understand both Unix and DOS file separators #if defined(__UNIX__) || defined(__MAC__) return c == wxFILE_SEP_PATH; #else return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX; #endif } // does the string ends with path separator? WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxString& filename); #if WXWIN_COMPATIBILITY_2_8 // split the full path into path (including drive for DOS), name and extension // (understands both '/' and '\\') // Deprecated in favour of wxFileName::SplitPath wxDEPRECATED( WXDLLIMPEXP_BASE void wxSplitPath(const wxString& fileName, wxString *pstrPath, wxString *pstrName, wxString *pstrExt) ); #endif // find a file in a list of directories, returns false if not found WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile); // Get the OS directory if appropriate (such as the Windows directory). // On non-Windows platform, probably just return the empty string. WXDLLIMPEXP_BASE wxString wxGetOSDirectory(); #if wxUSE_DATETIME // Get file modification time WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename); #endif // wxUSE_DATETIME // Parses the wildCard, returning the number of filters. // Returns 0 if none or if there's a problem, // The arrays will contain an equal number of items found before the error. // wildCard is in the form: // "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png" WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArrayString& descriptions, wxArrayString& filters); // ---------------------------------------------------------------------------- // classes // ---------------------------------------------------------------------------- #ifdef __UNIX__ // set umask to the given value in ctor and reset it to the old one in dtor class WXDLLIMPEXP_BASE wxUmaskChanger { public: // change the umask to the given one if it is not -1: this allows to write // the same code whether you really want to change umask or not, as is in // wxFileConfig::Flush() for example wxUmaskChanger(int umaskNew) { m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew); } ~wxUmaskChanger() { if ( m_umaskOld != -1 ) umask((mode_t)m_umaskOld); } private: int m_umaskOld; }; // this macro expands to an "anonymous" wxUmaskChanger object under Unix and // nothing elsewhere #define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m) #else // !__UNIX__ #define wxCHANGE_UMASK(m) #endif // __UNIX__/!__UNIX__ // Path searching class WXDLLIMPEXP_BASE wxPathList : public wxArrayString { public: wxPathList() {} wxPathList(const wxArrayString &arr) { Add(arr); } // Adds all paths in environment variable void AddEnvList(const wxString& envVariable); // Adds given path to this list bool Add(const wxString& path); void Add(const wxArrayString &paths); // Find the first full path for which the file exists wxString FindValidPath(const wxString& filename) const; // Find the first full path for which the file exists; ensure it's an // absolute path that gets returned. wxString FindAbsoluteValidPath(const wxString& filename) const; // Given full path and filename, add path to list bool EnsureFileAccessible(const wxString& path); }; #endif // _WX_FILEFN_H_