/////////////////////////////////////////////////////////////////////////////
-// Name: filefn.h
+// Name: wx/filefn.h
// Purpose: File- and directory-related functions
// Author: Julian Smart
// Modified by:
#ifndef _FILEFN_H_
#define _FILEFN_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "filefn.h"
-#endif
-
#include "wx/list.h"
#include "wx/arrstr.h"
// __OS2__ and __UNIX__ are defined.
#include <process.h>
#include "wx/os2/private.h"
+ #ifdef __WATCOMC__
+ #include <direct.h>
+ #endif
#include <io.h>
#ifdef __EMX__
#include <unistd.h>
#endif
#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__)
+#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__) && !defined(__CYGWIN__)
#include <direct.h>
#include <dos.h>
#include <io.h>
#endif
#endif
-#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
+#if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) )
typedef _off_t off_t;
#elif defined(__SYMANTEC__)
typedef long off_t;
typedef long off_t;
#endif
-#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
-//
-// VisualAge C++ V4.0 cannot have any external linkage const decs
-// in headers included by more than one primary source
-//
-extern const off_t wxInvalidOffset;
-#else
-const off_t wxInvalidOffset = (off_t)-1;
-#endif
-
enum wxSeekMode
{
wxFromStart,
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
+};
+
// ----------------------------------------------------------------------------
// declare our versions of low level file functions: some compilers prepend
// underscores to the usual names, some also have Unicode versions of them
// Wrappers around Win32 api functions like CreateFile, ReadFile and such
// Implemented in filefnwce.cpp
-#if defined( __WINCE__)
+#if defined( __WXWINCE__)
typedef __int64 wxFileOffset;
#define wxFileOffsetFmtSpec _("I64")
int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
#define wxLSeek wxSeek
wxFileOffset wxTell(int fd);
- #if wxUSE_UNICODE
- #if wxUSE_UNICODE_MSLU
- #define wxMkDir wxMSLU__wmkdir
- #define wxRmDir wxMSLU__wrmdir
- #define wxStat wxMSLU__wstat
- #else
- #define wxMkDir _wmkdir
- #define wxRmDir _wrmdir
- #define wxStat _wstat
- #endif
- #else // !wxUSE_UNICODE
- #define wxMkDir _mkdir
- #ifdef __WATCOMC__
- #define wxRmDir rmdir
- #else
- #define wxRmDir _rmdir
- #endif
- #define wxStat _stat
- #endif
+ // always Unicode under WinCE
+ #define wxMkDir _wmkdir
+ #define wxRmDir _wrmdir
+ #define wxStat _wstat
#define wxStructStat struct _stat
-
-// Microsoft compiler loves underscores, feed them to it
-#elif defined( __VISUALC__ ) \
- || ( defined(__MINGW32__) && !defined(__WINE__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
- || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
- || ( defined(__DMC__) && defined(__WXMSW__) ) \
- || ( defined(__WATCOMC__) && defined(__WXMSW__) )
-
- // Not all of the Win32 compilers do have huge file support, for example
- // the Digitalmars compiler does not have huge file size support
- #undef __HUGEFILES_SUPPORTED
- #if _INTEGRAL_MAX_BITS >= 64 && !defined(__DMC__)
- #define __HUGEFILES_SUPPORTED 1
- #else
- #define __HUGEFILES_SUPPORTED 0
+#elif defined(__WXMSW__) && !defined(__WXPALMOS__) && \
+ ( \
+ defined(__VISUALC__) || \
+ (defined(__MINGW32__) && !defined(__WINE__) && \
+ wxCHECK_W32API_VERSION(0, 5)) || \
+ defined(__MWERKS__) || \
+ defined(__DMC__) || \
+ defined(__WATCOMC__) || \
+ defined(__BORLANDC__) \
+ )
+
+ #undef wxHAS_HUGE_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
- // functions
- #if defined(__BORLANDC__) || defined(__WATCOMC__)
- #define _tell tell
- #endif
+ // other Windows compilers (DMC, Watcom, Metrowerks and Borland) don't have
+ // huge file support (or at least not all functions needed for it by wx)
+ // currently
- #if __HUGEFILES_SUPPORTED
+ #ifdef wxHAS_HUGE_FILES
typedef wxLongLong_t wxFileOffset;
#define wxFileOffsetFmtSpec wxLongLongFmtSpec
#else
- typedef int wxFileOffset;
- #define wxFileOffsetFmtSpec _("")
+ typedef off_t wxFileOffset;
+ #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(__BORLANDC__) || defined(__DMC__) || defined(__WATCOMC__)
+ #define wxPOSIX_IDENT(func) ::func
+ #else // by default assume MSVC-compatible names
+ #define wxPOSIX_IDENT(func) _ ## func
+ #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS
#endif
- #define wxClose _close
+
+ // first functions not working with strings, i.e. without ANSI/Unicode
+ // complications
+ #define wxClose wxPOSIX_IDENT(close)
#if defined(__MWERKS__)
#if __MSL__ >= 0x6000
- #define wxRead _read(fd, (void *)buf, nCount)
- #define wxWrite _write(fd, (void *)buf, nCount)
- #else
- #define wxRead _read(fd, (const char *)buf, nCount)
- #define wxWrite _write(fd, (const char *)buf, nCount)
- #endif
- #else
- #ifdef __DMC__
- #define wxRead ::read
- #define wxWrite ::write
+ #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount)
+ #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
#else
- #define wxRead _read
- #define wxWrite _write
+ #define wxRead(fd, buf, nCount)\
+ _read(fd, (const char *)buf, nCount)
+ #define wxWrite(fd, buf, nCount)\
+ _write(fd, (const char *)buf, nCount)
#endif
+ #else // __MWERKS__
+ #define wxRead wxPOSIX_IDENT(read)
+ #define wxWrite wxPOSIX_IDENT(write)
#endif
- #if __HUGEFILES_SUPPORTED
- #define wxSeek _lseeki64
- #define wxLseek _lseeki64
- #define wxTell _telli64
- #else
- #define wxSeek _lseek
- #define wxLseek _lseek
- #define wxTell _tell
+
+ #ifdef wxHAS_HUGE_FILES
+ #define wxSeek wxPOSIX_IDENT(lseeki64)
+ #define wxLseek wxPOSIX_IDENT(lseeki64)
+ #define wxTell wxPOSIX_IDENT(telli64)
+ #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
+
+ #ifndef __WATCOMC__
+ #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540)
+ // NB: this one is not POSIX and always has the underscore
+ #define wxFsync _commit
+
+ #define HAVE_FSYNC
+ #endif // BORLANDC
#endif
- #define wxFsync _commit
- #define wxEof _eof
+ #define wxEof wxPOSIX_IDENT(eof)
+
+ // then the functions taking strings
#if wxUSE_UNICODE
#if wxUSE_UNICODE_MSLU
+ // implement the missing file functions in Win9x ourselves
+ #if defined( __VISUALC__ ) \
+ || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
+ || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
+ || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) ) \
+ || defined(__DMC__)
+
+ WXDLLIMPEXP_BASE int wxMSLU__wopen(const wxChar *name,
+ int flags, int mode);
+ WXDLLIMPEXP_BASE int wxMSLU__waccess(const wxChar *name,
+ int mode);
+ WXDLLIMPEXP_BASE int wxMSLU__wmkdir(const wxChar *name);
+ WXDLLIMPEXP_BASE int wxMSLU__wrmdir(const wxChar *name);
+
+ WXDLLIMPEXP_BASE int
+ wxMSLU__wstat(const wxChar *name,
+ struct wxPOSIX_IDENT(stat) *buffer);
+ WXDLLIMPEXP_BASE int
+ wxMSLU__wstati64(const wxChar *name,
+ struct wxPOSIX_IDENT(stati64) *buffer);
+ #endif // Windows compilers with MSLU support
+
#define wxOpen wxMSLU__wopen
#define wxAccess wxMSLU__waccess
#define wxMkDir wxMSLU__wmkdir
#define wxRmDir wxMSLU__wrmdir
- #if __HUGEFILES_SUPPORTED
+ #ifdef wxHAS_HUGE_FILES
#define wxStat wxMSLU__wstati64
#else
#define wxStat wxMSLU__wstat
#endif
- #else
- #define wxOpen _wopen
- #define wxAccess _waccess
- #define wxMkDir _wmkdir
- #define wxRmDir _wrmdir
- #if __HUGEFILES_SUPPORTED
- #define wxStat _wstati64
+ #else // !wxUSE_UNICODE_MSLU
+ #ifdef __BORLANDC__
+ #if __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
+ WXDLLIMPEXP_BASE int wxOpen(const wxChar *pathname,
+ int flags, mode_t mode);
+ #else
+ #define wxOpen _wopen
+ #endif
+ #define wxAccess _waccess
+ #define wxMkDir _mkdir
+ #define wxRmDir _rmdir
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat _wstati64
+ #else
+ #define wxStat _wstat
+ #endif
#else
- #define wxStat _wstat
+ #define wxOpen _wopen
+ #define wxAccess _waccess
+ #define wxMkDir _wmkdir
+ #define wxRmDir _wrmdir
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat _wstati64
+ #else
+ #define wxStat _wstat
+ #endif
#endif
- #endif
+ #endif // wxUSE_UNICODE_MSLU/!wxUSE_UNICODE_MSLU
#else // !wxUSE_UNICODE
- #ifdef __BORLANDC__
- #define wxOpen open
- #else
- #define wxOpen _open
- #endif
- #define wxAccess _access
- #define wxMkDir _mkdir
- #ifdef __WATCOMC__
- #define wxRmDir rmdir
- #else
- #define wxRmDir _rmdir
- #endif
- #if __HUGEFILES_SUPPORTED
- #define wxStat _stati64
+ #define wxOpen wxPOSIX_IDENT(open)
+ #define wxAccess wxPOSIX_IDENT(access)
+ #define wxMkDir wxPOSIX_IDENT(mkdir)
+ #define wxRmDir wxPOSIX_IDENT(rmdir)
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat wxPOSIX_IDENT(stati64)
#else
- #define wxStat _stat
+ #define wxStat wxPOSIX_IDENT(stat)
#endif
- #endif
+ #endif // wxUSE_UNICODE/!wxUSE_UNICODE
- // types
- #if __HUGEFILES_SUPPORTED
- #if wxUSE_UNICODE
+ // Types: Notice that Watcom is the only compiler to have a wide char
+ // version of struct stat as well as a wide char stat function variant.
+ // This was droped since OW 1.4 "for consistency across platforms".
+ #ifdef wxHAS_HUGE_FILES
+ #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
#define wxStructStat struct _wstati64
#else
#define wxStructStat struct _stati64
#endif
#else
- #if wxUSE_UNICODE
+ #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
#define wxStructStat struct _wstat
#else
#define wxStructStat struct _stat
#endif
// constants (unless already defined by the user code)
- #if !defined(O_RDONLY) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
- #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
+ #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
- #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
- #define S_IFMT _S_IFMT
- #define S_IFDIR _S_IFDIR
- #define S_IFREG _S_IFREG
- #endif // O_RDONLY
+ #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. Currently wxFFile
+ // doesn't have large file support with any Windows compiler (even
+ // Win64 ones).
+ #if wxUSE_FILE
+ #define wxHAS_LARGE_FILES
+ #endif
+ #endif
- // It's a private define, undefine it so nobody gets tempted to use it
- #undef __HUGEFILES_SUPPORTED
-#else
+ // it's a private define, undefine it so that nobody gets tempted to use it
+ #undef wxHAS_HUGE_FILES
+#else // Unix or Windows using unknown compiler, assume POSIX supported
typedef off_t wxFileOffset;
#ifdef _LARGE_FILES
#define wxFileOffsetFmtSpec wxLongLongFmtSpec
+ wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
+ BadFileSizeType );
+ // wxFile is present and supports large files
+ #ifdef wxUSE_FILE
+ #define wxHAS_LARGE_FILES
+ #endif
+ // wxFFile is present and supports large files
+ #if SIZEOF_LONG == 8 || defined HAVE_FSEEKO
+ #define wxHAS_LARGE_FFILES
+ #endif
#else
#define wxFileOffsetFmtSpec _T("")
#endif
#define wxWrite ::write
#define wxLseek lseek
#define wxSeek lseek
- #define wxFsync commit
+ #define wxFsync fsync
#define wxEof eof
#define wxMkDir mkdir
typedef unsigned long mode_t;
#endif
WXDLLIMPEXP_BASE int wxStat( const wxChar *file_name, wxStructStat *buf );
+ WXDLLIMPEXP_BASE int wxLstat( const wxChar *file_name, wxStructStat *buf );
WXDLLIMPEXP_BASE int wxAccess( const wxChar *pathname, int mode );
WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
#else
#define wxOpen open
#define wxStat stat
+ #define wxLstat lstat
#define wxAccess access
#endif
-#endif // VC++
+ #define wxHAS_NATIVE_LSTAT
+#endif // platforms
+
+#ifdef O_BINARY
+ #define wxO_BINARY O_BINARY
+#else
+ #define wxO_BINARY 0
+#endif
+
+// if the platform doesn't have symlinks, define wxLstat to be the same as
+// wxStat to avoid #ifdefs in the code using it
+#ifndef wxHAS_NATIVE_LSTAT
+ #define wxLstat wxStat
+#endif
+
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+//
+// VisualAge C++ V4.0 cannot have any external linkage const decs
+// in headers included by more than one primary source
+//
+extern const int wxInvalidOffset;
+#else
+const int wxInvalidOffset = -1;
+#endif
// ----------------------------------------------------------------------------
// functions
WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
// does the path exist? (may have or not '/' or '\\' at the end)
-WXDLLIMPEXP_BASE bool wxPathExists(const wxChar *pszPathName);
+WXDLLIMPEXP_BASE bool wxDirExists(const wxChar *pszPathName);
WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
// Rename file
-WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2);
+WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite = true);
// Get current working directory.
+#if WXWIN_COMPATIBILITY_2_6
// If buf is NULL, allocates space using new, else
// copies into buf.
// IMPORTANT NOTE getcwd is know not to work under some releases
// of Win32s 1.3, according to MS release notes!
-WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
+wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000) );
// new and preferred version of wxGetWorkingDirectory
// NB: can't have the same name because of overloading ambiguity
+#endif // WXWIN_COMPATIBILITY_2_6
WXDLLIMPEXP_BASE wxString wxGetCwd();
// Set working directory
// 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);
+
+#if WXWIN_COMPATIBILITY_2_6
// compatibility defines, don't use in new code
-#define wxDirExists wxPathExists
+wxDEPRECATED( inline bool wxPathExists(const wxChar *pszPathName) );
+inline bool wxPathExists(const wxChar *pszPathName)
+{
+ return wxDirExists(pszPathName);
+}
+#endif //WXWIN_COMPATIBILITY_2_6
+
+// 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
// 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.
// 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 wxStringList
+class WXDLLIMPEXP_BASE wxPathList : public wxArrayString
{
public:
- // avoid GCC warning about virtual functions w/o virtual dtor
- virtual ~wxPathList() {}
+ wxPathList() {}
+ wxPathList(const wxArrayString &arr)
+ { Add(arr); }
// Adds all paths in environment variable
void AddEnvList(const wxString& envVariable);
- void Add(const wxString& path);
+ // 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);
+ 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);
+ wxString FindAbsoluteValidPath(const wxString& filename) const;
+
// Given full path and filename, add path to list
- void EnsureFileAccessible(const wxString& path);
- // Returns true if the path is in the list
- bool Member(const wxString& path);
+ bool EnsureFileAccessible(const wxString& path);
-private:
- // DECLARE_DYNAMIC_CLASS(wxPathList)
+#if WXWIN_COMPATIBILITY_2_6
+ // Returns true if the path is in the list
+ wxDEPRECATED( bool Member(const wxString& path) const );
+#endif
};
-#endif
- // _WX_FILEFN_H_
+#endif // _WX_FILEFN_H_
projects / wxWidgets.git / blobdiff