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zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/filefn.h
alexey.lysiuk 6c902303e9 add wxwidgets 3.1.5
2021-06-28 10:54:57 +03:00

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/////////////////////////////////////////////////////////////////////////////
// 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 <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#if defined(__UNIX__)
#include <unistd.h>
#include <dirent.h>
#endif
#if defined(__WINDOWS__)
#if !defined( __GNUWIN32__ ) && !defined(__CYGWIN__)
#include <direct.h>
#include <dos.h>
#include <io.h>
#endif // __WINDOWS__
#endif // native Win compiler
#include <fcntl.h> // 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 <sys/types.h>
#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__)) \
)
// 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;
if ( fgetpos(fp, &pos) != 0 )
return -1LL;
// Unfortunately our interface assumes that the file position
// is representable as "long long", so we have to get it from
// fpos_t, even though it's an opaque type. And its exact
// representation has changed in MinGW, so we have to test for
// mingwrt version.
#if wxCHECK_MINGW32_VERSION(5, 2)
// In 5.2.2 it's a union with a __value field.
return pos.__value;
#else
// Up to 5.1.1 it was a simple typedef.
return pos;
#endif
}
#else
#define wxFtell ftello64
#endif
#endif
// types
#ifdef wxHAS_HUGE_FILES
typedef wxLongLong_t wxFileOffset;
#define wxFileOffsetFmtSpec wxLongLongFmtSpec
#else
typedef off_t wxFileOffset;
#endif
#define wxPOSIX_STRUCT(s) struct wxPOSIX_IDENT(s)
#ifdef wxHAS_HUGE_FILES
#define wxStructStat struct _stati64
#else
#define wxStructStat struct _stat
#endif
// 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(__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
#define wxFsync _commit
// could be already defined by configure (Cygwin)
#ifndef HAVE_FSYNC
#define HAVE_FSYNC
#endif
#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
#define wxCRT_OpenW _wopen
wxDECL_FOR_STRICT_MINGW32(int, _wopen, (const wchar_t*, int, ...))
wxDECL_FOR_STRICT_MINGW32(int, _waccess, (const wchar_t*, int))
wxDECL_FOR_STRICT_MINGW32(int, _wchmod, (const wchar_t*, int))
wxDECL_FOR_STRICT_MINGW32(int, _wmkdir, (const wchar_t*))
wxDECL_FOR_STRICT_MINGW32(int, _wrmdir, (const wchar_t*))
wxDECL_FOR_STRICT_MINGW32(int, _wstati64, (const wchar_t*, struct _stati64*))
#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 wxCRT_Readlink readlink
#define wxHAS_NATIVE_LSTAT
#define wxHAS_NATIVE_READLINK
#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); }
#if defined(wxHAS_NATIVE_READLINK)
inline int wxReadlink(const wxString& path, char* buf, int size)
{ return wxCRT_Readlink(path.fn_str(), buf, size); }
#endif
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 (</usr/openwin/lib, OPENWHOME> -> ${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& src1, const wxString& src2, const wxString& dest);
// Copy file
WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& src, const wxString& dest,
bool overwrite = true);
// Remove file
WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
// Rename file
WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& oldpath, const wxString& newpath, 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
#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 and OSX
#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_
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