X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a62848fdba49396eba4f52c037d2dc82130274b4..35932e0596cb4ec38ff7a82d4fdf7ff98c4d9e97:/include/wx/filefn.h?ds=inline diff --git a/include/wx/filefn.h b/include/wx/filefn.h index 928f608573..3351115ba7 100644 --- a/include/wx/filefn.h +++ b/include/wx/filefn.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: filefn.h +// Name: wx/filefn.h // Purpose: File- and directory-related functions // Author: Julian Smart // Modified by: @@ -12,17 +12,85 @@ #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" -#ifndef __WXWINCE__ -#include +#ifdef __WXWINCE__ + #include "wx/msw/wince/time.h" + #include "wx/msw/private.h" +#else + #include +#endif + +#ifdef __WXWINCE__ +// Nothing +#elif !defined(__MWERKS__) + #include + #include +#else + #ifdef __MACH__ + #include + #include + #include + #include + #else + #include + #include + #include + #endif +#endif + +#ifdef __OS2__ +// need to check for __OS2__ first since currently both +// __OS2__ and __UNIX__ are defined. + #include + #include "wx/os2/private.h" + #ifdef __WATCOMC__ + #include + #endif + #include + #ifdef __EMX__ + #include + #endif +#elif defined(__UNIX__) + #include + #include #endif +#if defined(__WINDOWS__) && !defined(__WXMICROWIN__) +#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__) && !defined(__CYGWIN__) + #include + #include + #include +#endif // __WINDOWS__ +#endif // native Win compiler + +#if defined(__DOS__) + #ifdef __WATCOMC__ + #include + #include + #include + #endif + #ifdef __DJGPP__ + #include + #include + #endif +#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 + +#ifndef __WXWINCE__ + #include // O_RDONLY &c +#endif // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -30,15 +98,15 @@ #ifdef __WXWINCE__ typedef long off_t; #else - -// define off_t -#if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__) - #include -#else - typedef long off_t; + // define off_t + #if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__) + #include + #else + typedef long off_t; + #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; @@ -46,18 +114,6 @@ typedef long off_t; #endif -#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, @@ -65,29 +121,115 @@ enum wxSeekMode 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( __WXWINCE__) + typedef __int64 wxFileOffset; + #define wxFileOffsetFmtSpec _("I64") + int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode)); + int wxAccess(const wxChar *name, int WXUNUSED(how)); + int wxClose(int fd); + int wxFsync(int WXUNUSED(fd)); + int wxRead(int fd, void *buf, unsigned int count); + int wxWrite(int fd, const void *buf, unsigned int count); + int wxEof(int fd); + wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin); + #define wxLSeek wxSeek + wxFileOffset wxTell(int fd); + + // 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 -#if defined( __VISUALC__ ) \ +#elif defined( __VISUALC__ ) \ || ( defined(__MINGW32__) && !defined(__WINE__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \ || ( defined(__MWERKS__) && defined(__WXMSW__) ) \ || ( defined(__DMC__) && defined(__WXMSW__) ) \ || ( defined(__WATCOMC__) && defined(__WXMSW__) ) + + // detect compilers which have support for huge files (currently only + // Digital Mars doesn't) + #ifndef __WXPALMOS__ + #include "wx/msw/private.h" + #endif + + #undef wxHAS_HUGE_FILES + #if defined(__MINGW32__) + #define wxHAS_HUGE_FILES 1 + #elif defined(__MWERKS__) + #define wxHAS_HUGE_FILES 0 + #elif defined(__DMC__) + #define wxHAS_HUGE_FILES 0 + #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES)) + #define wxHAS_HUGE_FILES 1 + #else + #define wxHAS_HUGE_FILES 0 + #endif + // functions -#if defined(__BORLANDC__) || defined(__WATCOMC__) - #define _tell tell -#endif + #if defined(__BORLANDC__) || defined(__WATCOMC__) + #define _tell tell + #endif + + #if wxHAS_HUGE_FILES + typedef wxLongLong_t wxFileOffset; + #define wxFileOffsetFmtSpec wxLongLongFmtSpec + #else + typedef off_t wxFileOffset; + #endif + #define wxClose _close - #define wxRead _read - #define wxWrite _write - #define wxLseek _lseek - #define wxFsync _commit - #define wxEof _eof - #define wxTell _tell + #if defined(__MWERKS__) + #if __MSL__ >= 0x6000 + #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount) + #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount) + #else + #define wxRead(fd, buf, nCount)\ + _read(fd, (const char *)buf, nCount) + #define wxWrite(fd, buf, nCount)\ + _write(fd, (const char *)buf, nCount) + #endif + #else + #if defined(__DMC__) || defined(__WATCOMC__) + #define wxRead ::read + #define wxWrite ::write + #else + #define wxRead _read + #define wxWrite _write + #endif + #endif + #if wxHAS_HUGE_FILES + #define wxSeek _lseeki64 + #define wxLseek _lseeki64 + #define wxTell _telli64 + #else + #define wxSeek _lseek + #define wxLseek _lseek + #define wxTell _tell + #endif + #define wxFsync _commit + #if defined(__WATCOMC__) + #define wxEof ::eof + #else + #define wxEof _eof + #endif #if wxUSE_UNICODE #if wxUSE_UNICODE_MSLU @@ -96,59 +238,95 @@ enum wxSeekMode #define wxAccess wxMSLU__waccess #define wxMkDir wxMSLU__wmkdir #define wxRmDir wxMSLU__wrmdir - #define wxStat wxMSLU__wstat + #if 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 - #define wxStat _wstat + #if wxHAS_HUGE_FILES + #define wxStat _wstati64 + #else + #define wxStat _wstat + #endif #endif #else // !wxUSE_UNICODE -#ifdef __BORLANDC__ - #define wxOpen open -#else - #define wxOpen _open -#endif + #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 - #define wxStat _stat + #ifdef __WATCOMC__ + #define wxRmDir rmdir + #else + #define wxRmDir _rmdir + #endif + #if wxHAS_HUGE_FILES + #define wxStat _stati64 + #else + #define wxStat _stat + #endif #endif - // types -#if defined(__WATCOMC__)&& wxUSE_UNICODE - #define wxStructStat struct _wstat -#else - #define wxStructStat struct _stat -#endif + // 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". + #if 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 && wxONLY_WATCOM_EARLIER_THAN(1,4) + #define wxStructStat struct _wstat + #else + #define wxStructStat struct _stat + #endif + #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 + #if !defined(__BORLANDC__) && !defined(__WATCOMC__) && !defined(__WXPALMOS__) + #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 - #if !defined(__BORLANDC__) && !defined(__WATCOMC__) - #define S_IFMT _S_IFMT - #define S_IFDIR _S_IFDIR - #define S_IFREG _S_IFREG - #endif // O_RDONLY -#else + // It's a private define, undefine it so nobody gets tempted to use it + #undef wxHAS_HUGE_FILES +#else // Unix platforms using configure + typedef off_t wxFileOffset; + #ifdef _LARGE_FILES + #define wxFileOffsetFmtSpec wxLongLongFmtSpec + wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t), + BadFileSizeType ); + #else + #define wxFileOffsetFmtSpec _T("") + #endif // functions #define wxClose close - #define wxRead read - #define wxWrite write + #define wxRead ::read + #define wxWrite ::write #define wxLseek lseek - #define wxFsync commit + #define wxSeek lseek + #define wxFsync fsync #define wxEof eof #define wxMkDir mkdir @@ -158,32 +336,38 @@ enum wxSeekMode #define wxStructStat struct stat -#if wxUSE_UNICODE -# define wxNEED_WX_UNISTD_H -#if defined(__MWERKS__) && defined(macintosh) - #include -#endif -#if defined(__DMC__) - typedef unsigned long mode_t; -#endif -WXDLLIMPEXP_BASE int wxStat( 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 ); + #if wxUSE_UNICODE + #define wxNEED_WX_UNISTD_H + #if defined(__DMC__) + typedef unsigned long mode_t; + #endif + WXDLLIMPEXP_BASE int wxStat( 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 wxAccess access + #endif +#endif // platforms + +#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 - #define wxOpen open - #define wxStat stat - #define wxAccess access +const int wxInvalidOffset = -1; #endif -#endif // VC++ - // ---------------------------------------------------------------------------- // 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); @@ -252,16 +436,18 @@ WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2, 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 @@ -273,8 +459,18 @@ WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777); // 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 // ---------------------------------------------------------------------------- // separators in file names @@ -363,6 +559,41 @@ WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArra // 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 {