2. more file operations:
a) chmod()
b) [acm]time() - get and set
- c) file size
- d) file permissions with readable accessors for most common bits
- such as IsReadable() &c
- e) rename()?
+ c) rename()?
3. SameFileAs() function to compare inodes under Unix
*/
#include "wx/arrstr.h"
#include "wx/filefn.h"
#include "wx/datetime.h"
+#include "wx/intl.h"
+#include "wx/longlong.h"
+#include "wx/file.h"
#if wxUSE_FILE
-class WXDLLIMPEXP_BASE wxFile;
+class WXDLLIMPEXP_FWD_BASE wxFile;
+#endif
+
+#if wxUSE_FFILE
+class WXDLLIMPEXP_FWD_BASE wxFFile;
+#endif
+
+// this symbol is defined for the platforms where file systems use volumes in
+// paths
+#if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
+ #define wxHAS_FILESYSTEM_VOLUMES
#endif
// ----------------------------------------------------------------------------
wxPATH_MAX // Not a valid value for specifying path format
};
+// different conventions that may be used with GetHumanReadableSize()
+enum wxSizeConvention
+{
+ wxSIZE_CONV_TRADITIONAL, // 1024 bytes = 1 KB
+ wxSIZE_CONV_IEC, // 1024 bytes = 1 KiB
+ wxSIZE_CONV_SI // 1000 bytes = 1 KB
+};
+
// the kind of normalization to do with the file name: these values can be
// or'd together to perform several operations at once
enum wxPathNormalize
{
wxPATH_NORM_ENV_VARS = 0x0001, // replace env vars with their values
- wxPATH_NORM_DOTS = 0x0002, // squeeze all .. and . and prepend cwd
+ wxPATH_NORM_DOTS = 0x0002, // squeeze all .. and .
wxPATH_NORM_TILDE = 0x0004, // Unix only: replace ~ and ~user
wxPATH_NORM_CASE = 0x0008, // if case insensitive => tolower
wxPATH_NORM_ABSOLUTE = 0x0010, // make the path absolute
// what exactly should GetPath() return?
enum
{
+ wxPATH_NO_SEPARATOR = 0x0000, // for symmetry with wxPATH_GET_SEPARATOR
wxPATH_GET_VOLUME = 0x0001, // include the volume if applicable
wxPATH_GET_SEPARATOR = 0x0002 // terminate the path with the separator
};
-// MkDir flags
+// Mkdir flags
enum
{
wxPATH_MKDIR_FULL = 0x0001 // create directories recursively
};
+// Rmdir flags
+enum
+{
+ wxPATH_RMDIR_FULL = 0x0001, // delete with subdirectories if empty
+ wxPATH_RMDIR_RECURSIVE = 0x0002 // delete all recursively (dangerous!)
+};
+
+// FileExists flags
+enum
+{
+ wxFILE_EXISTS_REGULAR = 0x0001, // check for existence of a regular file
+ wxFILE_EXISTS_DIR = 0x0002, // check for existence of a directory
+ wxFILE_EXISTS_SYMLINK = 0x1004, // check for existence of a symbolic link;
+ // also sets wxFILE_EXISTS_NO_FOLLOW as
+ // it would never be satisfied otherwise
+ wxFILE_EXISTS_DEVICE = 0x0008, // check for existence of a device
+ wxFILE_EXISTS_FIFO = 0x0016, // check for existence of a FIFO
+ wxFILE_EXISTS_SOCKET = 0x0032, // check for existence of a socket
+ // gap for future types
+ wxFILE_EXISTS_NO_FOLLOW = 0x1000, // don't dereference a contained symlink
+ wxFILE_EXISTS_ANY = 0x1FFF // check for existence of anything
+};
+
+#if wxUSE_LONGLONG
+// error code of wxFileName::GetSize()
+extern WXDLLIMPEXP_DATA_BASE(const wxULongLong) wxInvalidSize;
+#endif // wxUSE_LONGLONG
+
+
+
// ----------------------------------------------------------------------------
// wxFileName: encapsulates a file path
// ----------------------------------------------------------------------------
// is contructed (the name will be empty), otherwise a file name and
// extension are extracted from it
wxFileName( const wxString& fullpath, wxPathFormat format = wxPATH_NATIVE )
- { Assign( fullpath, format ); }
+ { Assign( fullpath, format ); m_dontFollowLinks = false; }
// from a directory name and a file name
wxFileName(const wxString& path,
const wxString& name,
wxPathFormat format = wxPATH_NATIVE)
- { Assign(path, name, format); }
+ { Assign(path, name, format); m_dontFollowLinks = false; }
// from a volume, directory name, file base name and extension
wxFileName(const wxString& volume,
const wxString& name,
const wxString& ext,
wxPathFormat format = wxPATH_NATIVE)
- { Assign(volume, path, name, ext, format); }
+ { Assign(volume, path, name, ext, format); m_dontFollowLinks = false; }
// from a directory name, file base name and extension
wxFileName(const wxString& path,
const wxString& name,
const wxString& ext,
wxPathFormat format = wxPATH_NATIVE)
- { Assign(path, name, ext, format); }
+ { Assign(path, name, ext, format); m_dontFollowLinks = false; }
// the same for delayed initialization
// assorted assignment operators
wxFileName& operator=(const wxFileName& filename)
- { Assign(filename); return *this; }
+ { if (this != &filename) Assign(filename); return *this; }
wxFileName& operator=(const wxString& filename)
{ Assign(filename); return *this; }
!m_ext.empty() || m_hasExt;
}
- // does the file with this name exists?
+ // does the file with this name exist?
bool FileExists() const;
static bool FileExists( const wxString &file );
- // does the directory with this name exists?
+ // does the directory with this name exist?
bool DirExists() const;
static bool DirExists( const wxString &dir );
- // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
+ // does anything at all with this name (i.e. file, directory or some
+ // other file system object such as a device, socket, ...) exist?
+ bool Exists(int flags = wxFILE_EXISTS_ANY) const;
+ static bool Exists(const wxString& path, int flags = wxFILE_EXISTS_ANY);
+
+
+ // checks on most common flags for files/directories;
+ // more platform-specific features (like e.g. Unix permissions) are not
+ // available in wxFileName
+
+ bool IsDirWritable() const { return wxIsWritable(GetPath()); }
+ static bool IsDirWritable(const wxString &path) { return wxDirExists(path) && wxIsWritable(path); }
+
+ bool IsDirReadable() const { return wxIsReadable(GetPath()); }
+ static bool IsDirReadable(const wxString &path) { return wxDirExists(path) && wxIsReadable(path); }
+
+ // NOTE: IsDirExecutable() is not present because the meaning of "executable"
+ // directory is very platform-dependent and also not so useful
+
+ bool IsFileWritable() const { return wxIsWritable(GetFullPath()); }
+ static bool IsFileWritable(const wxString &path) { return wxFileExists(path) && wxIsWritable(path); }
+
+ bool IsFileReadable() const { return wxIsReadable(GetFullPath()); }
+ static bool IsFileReadable(const wxString &path) { return wxFileExists(path) && wxIsReadable(path); }
+
+ bool IsFileExecutable() const { return wxIsExecutable(GetFullPath()); }
+ static bool IsFileExecutable(const wxString &path) { return wxFileExists(path) && wxIsExecutable(path); }
+
// time functions
#if wxUSE_DATETIME
// (any of the pointers may be NULL)
bool SetTimes(const wxDateTime *dtAccess,
const wxDateTime *dtMod,
- const wxDateTime *dtCreate);
+ const wxDateTime *dtCreate) const;
// set the access and modification times to the current moment
- bool Touch();
+ bool Touch() const;
// return the last access, last modification and create times
// (any of the pointers may be NULL)
}
#endif // wxUSE_DATETIME
-#ifdef __WXMAC__
+#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
bool MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) ;
- bool MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) ;
+ bool MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) const;
// gets the 'common' type and creator for a certain extension
static bool MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) ;
// registers application defined extensions and their default type and creator
static wxString GetCwd(const wxString& volume = wxEmptyString);
// change the current working directory
- bool SetCwd();
+ bool SetCwd() const;
static bool SetCwd( const wxString &cwd );
// get the value of user home (Unix only mainly)
void AssignHomeDir();
static wxString GetHomeDir();
+ // get the system temporary directory
+ static wxString GetTempDir();
+
+#if wxUSE_FILE || wxUSE_FFILE
+ // get a temp file name starting with the specified prefix
+ void AssignTempFileName(const wxString& prefix);
+ static wxString CreateTempFileName(const wxString& prefix);
+#endif // wxUSE_FILE
+
#if wxUSE_FILE
// get a temp file name starting with the specified prefix and open the
// file passed to us using this name for writing (atomically if
// possible)
- void AssignTempFileName(const wxString& prefix, wxFile *fileTemp = NULL);
+ void AssignTempFileName(const wxString& prefix, wxFile *fileTemp);
static wxString CreateTempFileName(const wxString& prefix,
- wxFile *fileTemp = NULL);
+ wxFile *fileTemp);
#endif // wxUSE_FILE
+#if wxUSE_FFILE
+ // get a temp file name starting with the specified prefix and open the
+ // file passed to us using this name for writing (atomically if
+ // possible)
+ void AssignTempFileName(const wxString& prefix, wxFFile *fileTemp);
+ static wxString CreateTempFileName(const wxString& prefix,
+ wxFFile *fileTemp);
+#endif // wxUSE_FFILE
+
// directory creation and removal.
- bool Mkdir( int perm = 0777, int flags = 0);
- static bool Mkdir( const wxString &dir, int perm = 0777, int flags = 0 );
+ bool Mkdir(int perm = wxS_DIR_DEFAULT, int flags = 0) const;
+ static bool Mkdir(const wxString &dir, int perm = wxS_DIR_DEFAULT,
+ int flags = 0);
- bool Rmdir();
- static bool Rmdir( const wxString &dir );
+ bool Rmdir(int flags = 0) const;
+ static bool Rmdir(const wxString &dir, int flags = 0);
// operations on the path
{ return Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_ABSOLUTE |
wxPATH_NORM_TILDE, cwd, format); }
+
+ // If the path is a symbolic link (Unix-only), indicate that all
+ // filesystem operations on this path should be performed on the link
+ // itself and not on the file it points to, as is the case by default.
+ //
+ // No effect if this is not a symbolic link.
+ void DontFollowLink()
+ {
+ m_dontFollowLinks = true;
+ }
+
+ // If the path is a symbolic link (Unix-only), returns whether various
+ // file operations should act on the link itself, or on its target.
+ //
+ // This does not test if the path is really a symlink or not.
+ bool ShouldFollowLink() const
+ {
+ return !m_dontFollowLinks;
+ }
+
#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
// if the path is a shortcut, return the target and optionally,
// the arguments
bool GetShortcutTarget(const wxString& shortcutPath,
wxString& targetFilename,
- wxString* arguments = NULL);
+ wxString* arguments = NULL) const;
#endif
+#ifndef __WXWINCE__
+ // if the path contains the value of the environment variable named envname
+ // then this function replaces it with the string obtained from
+ // wxString::Format(replacementFmtString, value_of_envname_variable)
+ //
+ // Example:
+ // wxFileName fn("/usr/openwin/lib/someFile");
+ // fn.ReplaceEnvVariable("OPENWINHOME");
+ // // now fn.GetFullPath() == "$OPENWINHOME/lib/someFile"
+ bool ReplaceEnvVariable(const wxString& envname,
+ const wxString& replacementFmtString = "$%s",
+ wxPathFormat format = wxPATH_NATIVE);
+#endif
+
+ // replaces, if present in the path, the home directory for the given user
+ // (see wxGetHomeDir) with a tilde
+ bool ReplaceHomeDir(wxPathFormat format = wxPATH_NATIVE);
+
+
// Comparison
// compares with the rules of the given platforms format
static wxString GetPathTerminators(wxPathFormat format = wxPATH_NATIVE);
// get the canonical path separator for this format
- static wxChar GetPathSeparator(wxPathFormat format = wxPATH_NATIVE)
+ static wxUniChar GetPathSeparator(wxPathFormat format = wxPATH_NATIVE)
{ return GetPathSeparators(format)[0u]; }
// is the char a path separator for this format?
static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
+ // is this is a DOS path which beings with a windows unique volume name
+ // ('\\?\Volume{guid}\')?
+ static bool IsMSWUniqueVolumeNamePath(const wxString& path,
+ wxPathFormat format = wxPATH_NATIVE);
+
// Dir accessors
size_t GetDirCount() const { return m_dirs.size(); }
void AppendDir(const wxString& dir);
wxString *path,
wxPathFormat format = wxPATH_NATIVE);
+ // strip the file extension: "foo.bar" => "foo" (but ".baz" => ".baz")
+ static wxString StripExtension(const wxString& fullpath);
+
+#ifdef wxHAS_FILESYSTEM_VOLUMES
+ // return the string representing a file system volume, or drive
+ static wxString GetVolumeString(char drive, int flags = wxPATH_GET_SEPARATOR);
+#endif // wxHAS_FILESYSTEM_VOLUMES
+
+ // File size
+
+#if wxUSE_LONGLONG
+ // returns the size of the given filename
+ wxULongLong GetSize() const;
+ static wxULongLong GetSize(const wxString &file);
+
+ // returns the size in a human readable form
+ wxString
+ GetHumanReadableSize(const wxString& nullsize = _("Not available"),
+ int precision = 1,
+ wxSizeConvention conv = wxSIZE_CONV_TRADITIONAL) const;
+ static wxString
+ GetHumanReadableSize(const wxULongLong& sz,
+ const wxString& nullsize = _("Not available"),
+ int precision = 1,
+ wxSizeConvention conv = wxSIZE_CONV_TRADITIONAL);
+#endif // wxUSE_LONGLONG
+
+
// deprecated methods, don't use any more
// --------------------------------------
{ return GetPath(withSep ? wxPATH_GET_SEPARATOR : 0, format); }
#endif
wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
- { return GetPath(wxPATH_GET_SEPARATOR, format); }
+ { return GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR, format); }
private:
// check whether this dir is valid for Append/Prepend/InsertDir()
// the difference is important as file with name "foo" and without
// extension has full name "foo" while with empty extension it is "foo."
bool m_hasExt;
+
+ // by default, symlinks are dereferenced but this flag can be set with
+ // DontFollowLink() to change this and make different operations work on
+ // this file path itself instead of the target of the symlink
+ bool m_dontFollowLinks;
};
#endif // _WX_FILENAME_H_
projects / wxWidgets.git / blobdiff