e02e8816c7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
356 lines
12 KiB
C++
356 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: filefn.h
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// Purpose: File- and directory-related functions
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// Author: Julian Smart
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// Modified by:
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// Created: 29/01/98
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Julian Smart
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _FILEFN_H_
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#define _FILEFN_H_
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#ifdef __GNUG__
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#pragma interface "filefn.h"
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#endif
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#include "wx/list.h"
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#include <time.h>
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// define off_t
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#if !defined(__WXMAC__) || defined(__UNIX__)
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#include <sys/types.h>
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#else
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typedef long off_t;
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#endif
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#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
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typedef _off_t off_t;
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#elif defined(__BORLANDC__) && defined(__WIN16__)
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typedef long off_t;
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#elif defined(__SC__)
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typedef long off_t;
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#elif defined(__MWERKS__) && !defined(__INTEL__)
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typedef long off_t;
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#endif
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#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
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//
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// VisualAge C++ V4.0 cannot have any external linkage const decs
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// in headers included by more than one primary source
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//
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extern const off_t wxInvalidOffset;
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#else
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const off_t wxInvalidOffset = (off_t)-1;
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#endif
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enum wxSeekMode
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{
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wxFromStart,
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wxFromCurrent,
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wxFromEnd
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};
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WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
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// ----------------------------------------------------------------------------
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// declare our versions of low level file functions: some compilers prepend
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// underscores to the usual names, some also have Unicode versions of them
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// ----------------------------------------------------------------------------
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// Microsoft compiler loves underscores, feed them to it
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#if defined( __VISUALC__ ) \
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|| ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
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|| ( defined(__MWERKS__) && defined(__WXMSW__) )
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// functions
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#define wxClose _close
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#define wxRead _read
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#define wxWrite _write
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#define wxLseek _lseek
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#define wxFsync _commit
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#define wxEof _eof
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#define wxTell _tell
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#if wxUSE_UNICODE
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#if wxUSE_UNICODE_MSLU
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WXDLLEXPORT int wxOpen(const wxChar *name, int flags, int mode);
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#else
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#define wxOpen _wopen
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#endif
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#define wxAccess _waccess
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#define wxMkDir _wmkdir
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#define wxRmDir _wrmdir
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#define wxStat _wstat
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#else // !wxUSE_UNICODE
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#define wxOpen _open
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#define wxAccess _access
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#define wxMkDir _mkdir
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#define wxRmDir _rmdir
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#define wxStat _stat
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#endif
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// types
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#define wxStructStat struct _stat
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// constants (unless already defined by the user code)
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#ifndef O_RDONLY
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#define O_RDONLY _O_RDONLY
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#define O_WRONLY _O_WRONLY
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#define O_RDWR _O_RDWR
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#define O_EXCL _O_EXCL
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#define O_CREAT _O_CREAT
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#define O_BINARY _O_BINARY
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#define S_IFMT _S_IFMT
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#define S_IFDIR _S_IFDIR
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#define S_IFREG _S_IFREG
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#endif // O_RDONLY
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#else
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// functions
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#define wxOpen open
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#define wxClose close
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#define wxRead read
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#define wxWrite write
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#define wxLseek lseek
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#define wxFsync commit
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#define wxAccess access
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#define wxEof eof
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#define wxMkDir mkdir
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#define wxRmDir rmdir
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#define wxTell(fd) lseek(fd, 0, SEEK_CUR)
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#define wxStat stat
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// types
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#define wxStructStat struct stat
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#endif // VC++
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// ----------------------------------------------------------------------------
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// functions
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// ----------------------------------------------------------------------------
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WXDLLEXPORT bool wxFileExists(const wxString& filename);
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#define FileExists wxFileExists
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// does the path exist? (may have or not '/' or '\\' at the end)
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WXDLLEXPORT bool wxPathExists(const wxChar *pszPathName);
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#define wxDirExists wxPathExists
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#define DirExists wxDirExists
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WXDLLEXPORT bool wxIsAbsolutePath(const wxString& filename);
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#define IsAbsolutePath wxIsAbsolutePath
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// Get filename
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WXDLLEXPORT wxChar* wxFileNameFromPath(wxChar *path);
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WXDLLEXPORT wxString wxFileNameFromPath(const wxString& path);
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#define FileNameFromPath wxFileNameFromPath
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// Get directory
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WXDLLEXPORT wxString wxPathOnly(const wxString& path);
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#define PathOnly wxPathOnly
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// wxString version
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WXDLLEXPORT wxString wxRealPath(const wxString& path);
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WXDLLEXPORT void wxDos2UnixFilename(wxChar *s);
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#define Dos2UnixFilename wxDos2UnixFilename
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WXDLLEXPORT void wxUnix2DosFilename(wxChar *s);
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#define Unix2DosFilename wxUnix2DosFilename
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// Strip the extension, in situ
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WXDLLEXPORT void wxStripExtension(wxChar *buffer);
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WXDLLEXPORT void wxStripExtension(wxString& buffer);
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// Get a temporary filename
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WXDLLEXPORT wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
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WXDLLEXPORT bool wxGetTempFileName(const wxString& prefix, wxString& buf);
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// Expand file name (~/ and ${OPENWINHOME}/ stuff)
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WXDLLEXPORT wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
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WXDLLEXPORT bool wxExpandPath(wxString& dest, const wxChar *path);
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// Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
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// and make (if under the home tree) relative to home
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// [caller must copy-- volatile]
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WXDLLEXPORT wxChar* wxContractPath(const wxString& filename,
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const wxString& envname = wxEmptyString,
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const wxString& user = wxEmptyString);
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// Destructive removal of /./ and /../ stuff
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WXDLLEXPORT wxChar* wxRealPath(wxChar *path);
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// Allocate a copy of the full absolute path
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WXDLLEXPORT wxChar* wxCopyAbsolutePath(const wxString& path);
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// Get first file name matching given wild card.
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// Flags are reserved for future use.
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#define wxFILE 1
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#define wxDIR 2
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WXDLLEXPORT wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
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WXDLLEXPORT wxString wxFindNextFile();
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// Does the pattern contain wildcards?
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WXDLLEXPORT bool wxIsWild(const wxString& pattern);
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// Does the pattern match the text (usually a filename)?
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// If dot_special is TRUE, doesn't match * against . (eliminating
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// `hidden' dot files)
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WXDLLEXPORT bool wxMatchWild(const wxString& pattern, const wxString& text, bool dot_special = TRUE);
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// Concatenate two files to form third
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WXDLLEXPORT bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
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// Copy file1 to file2
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WXDLLEXPORT bool wxCopyFile(const wxString& file1, const wxString& file2,
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bool overwrite = TRUE);
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// Remove file
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WXDLLEXPORT bool wxRemoveFile(const wxString& file);
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// Rename file
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WXDLLEXPORT bool wxRenameFile(const wxString& file1, const wxString& file2);
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// Get current working directory.
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// If buf is NULL, allocates space using new, else
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// copies into buf.
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// IMPORTANT NOTE getcwd is know not to work under some releases
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// of Win32s 1.3, according to MS release notes!
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WXDLLEXPORT wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
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// new and preferred version of wxGetWorkingDirectory
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// NB: can't have the same name because of overloading ambiguity
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WXDLLEXPORT wxString wxGetCwd();
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// Set working directory
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WXDLLEXPORT bool wxSetWorkingDirectory(const wxString& d);
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// Make directory
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WXDLLEXPORT bool wxMkdir(const wxString& dir, int perm = 0777);
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// Remove directory. Flags reserved for future use.
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WXDLLEXPORT bool wxRmdir(const wxString& dir, int flags = 0);
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// ----------------------------------------------------------------------------
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// separators in file names
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// ----------------------------------------------------------------------------
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// between file name and extension
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#define wxFILE_SEP_EXT wxT('.')
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// between drive/volume name and the path
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#define wxFILE_SEP_DSK wxT(':')
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// between the path components
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#define wxFILE_SEP_PATH_DOS wxT('\\')
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#define wxFILE_SEP_PATH_UNIX wxT('/')
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#define wxFILE_SEP_PATH_MAC wxT(':')
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#define wxFILE_SEP_PATH_VMS wxT('.') // VMS also uses '[' and ']'
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// separator in the path list (as in PATH environment variable)
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// there is no PATH variable in Classic Mac OS so just use the
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// semicolon (it must be different from the file name separator)
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// NB: these are strings and not characters on purpose!
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#define wxPATH_SEP_DOS wxT(";")
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#define wxPATH_SEP_UNIX wxT(":")
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#define wxPATH_SEP_MAC wxT(";")
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// platform independent versions
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#if defined(__UNIX__) && !defined(__CYGWIN__)
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#define wxFILE_SEP_PATH wxFILE_SEP_PATH_UNIX
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#define wxPATH_SEP wxPATH_SEP_UNIX
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#elif defined(__MAC__)
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#define wxFILE_SEP_PATH wxFILE_SEP_PATH_MAC
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#define wxPATH_SEP wxPATH_SEP_MAC
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#elif defined(__CYGWIN__) // Cygwin
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#define wxFILE_SEP_PATH wxFILE_SEP_PATH_DOS
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#define wxPATH_SEP wxPATH_SEP_UNIX
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#else // Windows and OS/2
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#define wxFILE_SEP_PATH wxFILE_SEP_PATH_DOS
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#define wxPATH_SEP wxPATH_SEP_DOS
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#endif // Unix/Windows
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// this is useful for wxString::IsSameAs(): to compare two file names use
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// filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
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#if defined(__UNIX__) && !defined(__DARWIN__)
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#define wxARE_FILENAMES_CASE_SENSITIVE TRUE
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#else // Windows, Mac OS and OS/2
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#define wxARE_FILENAMES_CASE_SENSITIVE FALSE
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#endif // Unix/Windows
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// is the char a path separator?
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inline bool wxIsPathSeparator(wxChar c)
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{
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// under DOS/Windows we should understand both Unix and DOS file separators
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#if defined(__UNIX__) || defined(__MAC__)
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return c == wxFILE_SEP_PATH;
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#else
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return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX;
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#endif
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}
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// does the string ends with path separator?
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WXDLLEXPORT bool wxEndsWithPathSeparator(const wxChar *pszFileName);
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// split the full path into path (including drive for DOS), name and extension
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// (understands both '/' and '\\')
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WXDLLEXPORT void wxSplitPath(const wxChar *pszFileName,
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wxString *pstrPath,
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wxString *pstrName,
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wxString *pstrExt);
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// find a file in a list of directories, returns false if not found
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WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
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// Get the OS directory if appropriate (such as the Windows directory).
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// On non-Windows platform, probably just return the empty string.
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WXDLLEXPORT wxString wxGetOSDirectory();
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// Get file modification time
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WXDLLEXPORT time_t wxFileModificationTime(const wxString& filename);
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// ----------------------------------------------------------------------------
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// classes
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// ----------------------------------------------------------------------------
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// Path searching
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class WXDLLEXPORT wxPathList : public wxStringList
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{
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public:
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// Adds all paths in environment variable
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void AddEnvList(const wxString& envVariable);
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void Add(const wxString& path);
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// Avoid compiler warning
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wxNode *Add(const wxChar *s) { return wxStringList::Add(s); }
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// Find the first full path for which the file exists
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wxString FindValidPath(const wxString& filename);
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// Find the first full path for which the file exists; ensure it's an
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// absolute path that gets returned.
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wxString FindAbsoluteValidPath(const wxString& filename);
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// Given full path and filename, add path to list
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void EnsureFileAccessible(const wxString& path);
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// Returns TRUE if the path is in the list
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bool Member(const wxString& path);
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private:
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DECLARE_DYNAMIC_CLASS(wxPathList)
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};
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#endif
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// _WX_FILEFN_H_
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