wxWidgets/include/wx/filefn.h
2000-01-26 21:07:57 +00:00

258 lines
8.7 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: filefn.h
// Purpose: File- and directory-related functions
// Author: Julian Smart
// Modified by:
// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef _FILEFN_H_
#define _FILEFN_H_
#ifdef __GNUG__
#pragma interface "filefn.h"
#endif
#include "wx/list.h"
#include <time.h>
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// define off_t
#ifndef __WXMAC__
#include <sys/types.h>
#else
typedef long off_t;
#endif
#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
typedef _off_t off_t;
#elif defined(__BORLANDC__) && defined(__WIN16__)
typedef long off_t;
#elif defined(__SC__)
typedef long off_t;
#elif defined(__MWERKS__) && !defined(__INTEL__)
typedef long off_t;
#endif
#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
//
// VisualAge C++ V4.0 cannot have any 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,
wxFromCurrent,
wxFromEnd
};
WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
// ----------------------------------------------------------------------------
// functions
// ----------------------------------------------------------------------------
WXDLLEXPORT bool wxFileExists(const wxString& filename);
#define FileExists wxFileExists
// does the path exist? (may have or not '/' or '\\' at the end)
WXDLLEXPORT bool wxPathExists(const wxChar *pszPathName);
#define wxDirExists wxPathExists
#define DirExists wxDirExists
WXDLLEXPORT bool wxIsAbsolutePath(const wxString& filename);
#define IsAbsolutePath wxIsAbsolutePath
// Get filename
WXDLLEXPORT wxChar* wxFileNameFromPath(wxChar *path);
WXDLLEXPORT wxString wxFileNameFromPath(const wxString& path);
#define FileNameFromPath wxFileNameFromPath
// Get directory
WXDLLEXPORT wxString wxPathOnly(const wxString& path);
#define PathOnly wxPathOnly
// wxString version
WXDLLEXPORT wxString wxRealPath(const wxString& path);
WXDLLEXPORT void wxDos2UnixFilename(wxChar *s);
#define Dos2UnixFilename wxDos2UnixFilename
WXDLLEXPORT void wxUnix2DosFilename(wxChar *s);
#define Unix2DosFilename wxUnix2DosFilename
#ifdef __WXMAC__
WXDLLEXPORT wxString wxMacFSSpec2MacFilename( const FSSpec *spec ) ;
WXDLLEXPORT wxString wxMacFSSpec2UnixFilename( const FSSpec *spec ) ;
WXDLLEXPORT void wxUnixFilename2FSSpec( const char *path , FSSpec *spec ) ;
WXDLLEXPORT void wxMacFilename2FSSpec( const char *path , FSSpec *spec ) ;
WXDLLEXPORT wxString wxMac2UnixFilename( const char *s) ;
WXDLLEXPORT wxString wxUnix2MacFilename( const char *s);
#endif
// Strip the extension, in situ
WXDLLEXPORT void wxStripExtension(wxChar *buffer);
WXDLLEXPORT void wxStripExtension(wxString& buffer);
// Get a temporary filename, opening and closing the file.
WXDLLEXPORT wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
WXDLLEXPORT bool wxGetTempFileName(const wxString& prefix, wxString& buf);
// Expand file name (~/ and ${OPENWINHOME}/ stuff)
WXDLLEXPORT wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
WXDLLEXPORT bool wxExpandPath(wxString& dest, const wxChar *path);
// 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]
WXDLLEXPORT wxChar* wxContractPath(const wxString& filename,
const wxString& envname = wxEmptyString,
const wxString& user = wxEmptyString);
// Destructive removal of /./ and /../ stuff
WXDLLEXPORT wxChar* wxRealPath(wxChar *path);
// Allocate a copy of the full absolute path
WXDLLEXPORT wxChar* wxCopyAbsolutePath(const wxString& path);
// Get first file name matching given wild card.
// Flags are reserved for future use.
#define wxFILE 1
#define wxDIR 2
WXDLLEXPORT wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
WXDLLEXPORT wxString wxFindNextFile();
// Does the pattern contain wildcards?
WXDLLEXPORT 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)
WXDLLEXPORT bool wxMatchWild(const wxString& pattern, const wxString& text, bool dot_special = TRUE);
// Concatenate two files to form third
WXDLLEXPORT bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
// Copy file1 to file2
WXDLLEXPORT bool wxCopyFile(const wxString& file1, const wxString& file2);
// Remove file
WXDLLEXPORT bool wxRemoveFile(const wxString& file);
// Rename file
WXDLLEXPORT bool wxRenameFile(const wxString& file1, const wxString& file2);
// Get current working directory.
// 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!
WXDLLEXPORT 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
WXDLLEXPORT wxString wxGetCwd();
// Set working directory
WXDLLEXPORT bool wxSetWorkingDirectory(const wxString& d);
// Make directory
WXDLLEXPORT bool wxMkdir(const wxString& dir, int perm = 0777);
// Remove directory. Flags reserved for future use.
WXDLLEXPORT bool wxRmdir(const wxString& dir, int flags = 0);
// separators in file names
#define wxFILE_SEP_EXT wxT('.')
#define wxFILE_SEP_DSK wxT(':')
#define wxFILE_SEP_PATH_DOS wxT('\\')
#define wxFILE_SEP_PATH_UNIX wxT('/')
// separator in the path list (as in PATH environment variable)
// NB: these are strings and not characters on purpose!
#define wxPATH_SEP_DOS wxT(";")
#define wxPATH_SEP_UNIX wxT(":")
// platform independent versions
#ifdef __UNIX__
#define wxFILE_SEP_PATH wxFILE_SEP_PATH_UNIX
#define wxPATH_SEP wxPATH_SEP_UNIX
#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)
#ifdef __UNIX__
#define wxARE_FILENAMES_CASE_SENSITIVE TRUE
#else // Windows and OS/2
#define wxARE_FILENAMES_CASE_SENSITIVE FALSE
#endif // Unix/Windows
// is the char a path separator?
inline bool wxIsPathSeparator(wxChar c)
{ return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX; }
// does the string ends with path separator?
WXDLLEXPORT bool wxEndsWithPathSeparator(const wxChar *pszFileName);
// split the full path into path (including drive for DOS), name and extension
// (understands both '/' and '\\')
WXDLLEXPORT void wxSplitPath(const wxChar *pszFileName,
wxString *pstrPath,
wxString *pstrName,
wxString *pstrExt);
// find a file in a list of directories, returns false if not found
WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
// Get the OS directory if appropriate (such as the Windows directory).
// On non-Windows platform, probably just return the empty string.
WXDLLEXPORT wxString wxGetOSDirectory();
// Get file modification time
WXDLLEXPORT time_t wxFileModificationTime(const wxString& filename);
// ----------------------------------------------------------------------------
// classes
// ----------------------------------------------------------------------------
// Path searching
class WXDLLEXPORT wxPathList : public wxStringList
{
public:
// Adds all paths in environment variable
void AddEnvList(const wxString& envVariable);
void Add(const wxString& path);
// Avoid compiler warning
wxNode *Add(const wxChar *s) { return wxStringList::Add(s); }
// Find the first full path for which the file exists
wxString FindValidPath(const wxString& filename);
// Find the first full path for which the file exists; ensure it's an
// absolute path that gets returned.
wxString FindAbsoluteValidPath(const wxString& filename);
// 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);
private:
DECLARE_DYNAMIC_CLASS(wxPathList)
};
#endif
// _WX_FILEFN_H_