/////////////////////////////////////////////////////////////////////////////
-// Name: filename.h
-// Purpose: wxFileName - encapsulates ice cream
-// Author: Robert Roebling
+// Name: wx/filename.h
+// Purpose: wxFileName - encapsulates a file path
+// Author: Robert Roebling, Vadim Zeitlin
// Modified by:
// Created: 28.12.00
// RCS-ID: $Id$
#endif
#ifndef WX_PRECOMP
- #include "wx/string.h"
+ #include "wx/string.h"
#endif
+/*
+ TODO:
+
+ 1. support for drives under Windows
+ 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()?
+ 3. SameFileAs() function to compare inodes under Unix
+ */
+
// ridiculously enough, this will replace DirExists with wxDirExists etc
#include "wx/filefn.h"
+#include "wx/datetime.h"
+
+class WXDLLEXPORT wxFile;
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the various values for the path format: this mainly affects the path
+// separator but also whether or not the path has the drive part (as under
+// Windows)
enum wxPathFormat
{
- wxPATH_NATIVE = 0,
- wxPATH_UNIX,
- wxPATH_MAC,
- wxPATH_DOS,
+ wxPATH_NATIVE = 0, // the path format for the current platform
+ wxPATH_UNIX,
+ wxPATH_MAC,
+ wxPATH_DOS,
+ wxPATH_VMS,
- wxPATH_BEOS = wxPATH_UNIX,
- wxPATH_WIN = wxPATH_DOS,
- wxPATH_OS2 = wxPATH_DOS
+ wxPATH_BEOS = wxPATH_UNIX,
+ wxPATH_WIN = wxPATH_DOS,
+ wxPATH_OS2 = wxPATH_DOS
+};
+// 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_TILDE = 0x0004, // Unix only: replace ~ and ~user
+ wxPATH_NORM_CASE = 0x0008, // if case insensitive => tolower
+ wxPATH_NORM_ABSOLUTE = 0x0010, // make the path absolute
+ wxPATH_NORM_LONG = 0x0020, // make the path the long form
+ wxPATH_NORM_ALL = 0x003f
};
+// ----------------------------------------------------------------------------
+// wxFileName: encapsulates a file path
+// ----------------------------------------------------------------------------
+
class WXDLLEXPORT wxFileName
{
public:
// constructors and assignment
- wxFileName()
- { }
- wxFileName( const wxFileName &filepath );
- wxFileName( const wxString &path, bool dir_only = FALSE, wxPathFormat format = wxPATH_NATIVE )
- { Assign( path, dir_only, format ); }
- void Assign( const wxString &path, bool dir_only = FALSE, wxPathFormat format = wxPATH_NATIVE );
- void Assign( const wxFileName &filepath );
-
- // Only native form
+
+ // the usual stuff
+ wxFileName() { }
+ wxFileName( const wxFileName &filepath ) { Assign(filepath); }
+
+ // from a full filename: if it terminates with a '/', a directory 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 ); }
+
+ // from a directory name and a file name
+ wxFileName(const wxString& path,
+ const wxString& name,
+ wxPathFormat format = wxPATH_NATIVE)
+ { Assign(path, name, format); }
+
+ // from a volume, directory name, file base name and extension
+ wxFileName(const wxString& volume,
+ const wxString& path,
+ const wxString& name,
+ const wxString& ext,
+ wxPathFormat format = wxPATH_NATIVE)
+ { Assign(volume, path, name, ext, format); }
+
+ // 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); }
+
+ // the same for delayed initialization
+
+ void Assign(const wxFileName& filepath);
+
+ void Assign(const wxString& fullpath,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ void Assign(const wxString& volume,
+ const wxString& path,
+ const wxString& name,
+ const wxString& ext,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ void Assign(const wxString& path,
+ const wxString& name,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ void Assign(const wxString& path,
+ const wxString& name,
+ const wxString& ext,
+ wxPathFormat format = wxPATH_NATIVE)
+ {
+ // empty volume
+ Assign(_T(""), path, name, ext, format);
+ }
+
+ void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE);
+
+ // assorted assignment operators
+
+ wxFileName& operator=(const wxFileName& filename)
+ { Assign(filename); return *this; }
+
+ wxFileName& operator=(const wxString& filename)
+ { Assign(filename); return *this; }
+
+ // reset all components to default, uninitialized state
+ void Clear();
+
+ // static pseudo constructors
+ static wxFileName FileName(const wxString& file);
+ static wxFileName DirName(const wxString& dir);
+
+ // file tests
+
+ // is the filename valid at all?
+ bool IsOk() const { return !m_dirs.IsEmpty() || !m_name.IsEmpty(); }
+
+ // does the file with this name exists?
bool FileExists();
static bool FileExists( const wxString &file );
-
+
+ // does the directory with this name exists?
bool DirExists();
static bool DirExists( const wxString &dir );
-
- void AssignCwd();
- static wxString GetCwd();
-
+
+ // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
+
+ // time functions
+
+ // set the file creation and last access/mod times
+ // (any of the pointers may be NULL)
+ bool SetTimes(const wxDateTime *dtCreate,
+ const wxDateTime *dtAccess,
+ const wxDateTime *dtMod);
+
+ // set the access and modification times to the current moment
+ bool Touch();
+
+ // return the last access, last modification and last change times
+ // (any of the pointers may be NULL)
+ bool GetTimes(wxDateTime *dtAccess,
+ wxDateTime *dtMod,
+ wxDateTime *dtChange) const;
+
+ // convenience wrapper: get just the last mod time of the file
+ wxDateTime GetModificationTime() const
+ {
+ wxDateTime dtMod;
+ (void)GetTimes(NULL, &dtMod, NULL);
+ return dtMod;
+ }
+
+ // various file/dir operations
+
+ // retrieve the value of the current working directory
+ void AssignCwd(const wxString& volume = wxEmptyString);
+ static wxString GetCwd(const wxString& volume = wxEmptyString);
+
+ // change the current working directory
bool SetCwd();
static bool SetCwd( const wxString &cwd );
-
+
+ // get the value of user home (Unix only mainly)
void AssignHomeDir();
static wxString GetHomeDir();
-
- void AssignTempFileName( const wxString &prefix );
-
- bool Mkdir( int perm = 0777 );
- static bool Mkdir( const wxString &dir, int perm = 0777 );
-
+
+ // 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);
+ static wxString CreateTempFileName(const wxString& prefix,
+ wxFile *fileTemp = NULL);
+
+ // directory creation and removal.
+ // if full is TRUE, will try to make each directory in the path.
+ bool Mkdir( int perm = 0777, bool full = FALSE);
+ static bool Mkdir( const wxString &dir, int perm = 0777, bool full = FALSE );
+
bool Rmdir();
static bool Rmdir( const wxString &dir );
-
- // Remove . and .. (under Unix ~ as well)
- bool Normalize( const wxString &cwd = wxEmptyString, const wxString &home = wxEmptyString );
-
+
+ // operations on the path
+
+ // normalize the path: with the default flags value, the path will be
+ // made absolute, without any ".." and "." and all environment
+ // variables will be expanded in it
+ //
+ // this may be done using another (than current) value of cwd
+ bool Normalize(wxPathNormalize flags = wxPATH_NORM_ALL,
+ const wxString& cwd = wxEmptyString,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ // get a path path relative to the given base directory, i.e. opposite
+ // of Normalize
+ //
+ // pass an empty string to get a path relative to the working directory
+ //
+ // returns TRUE if the file name was modified, FALSE if we failed to do
+ // anything with it (happens when the file is on a different volume,
+ // for example)
+ bool MakeRelativeTo(const wxString& pathBase = _T(""),
+ wxPathFormat format = wxPATH_NATIVE);
+
+
// Comparison
- bool SameAs( const wxFileName &filepath, bool upper_case = TRUE );
-
+
+ // compares with the rules of this platform
+ bool SameAs(const wxFileName &filepath,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ // uses the current platform settings
+ bool operator==(const wxFileName& filename) { return SameAs(filename); }
+ bool operator==(const wxString& filename)
+ { return *this == wxFileName(filename); }
+
// Tests
- bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );
- bool IsRelative( wxPathFormat format = wxPATH_NATIVE );
- bool IsAbsolute( wxPathFormat format = wxPATH_NATIVE );
+
+ // are the file names of this type cases sensitive?
+ static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );
+
+ // is this filename absolute?
+ bool IsAbsolute() const
+ { return !m_relative; }
+
+ // is this filename relative?
+ bool IsRelative() const
+ { return m_relative; }
+
+ // Information about path format
+
+ // get the string separating the volume from the path for this format
+ static wxString GetVolumeSeparator(wxPathFormat format = wxPATH_NATIVE);
+
+ // get the string of path separators for this format
+ static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE);
+
+ // is the char a path separator for this format?
+ static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
+
+ // FIXME: what exactly does this do?
bool IsWild( wxPathFormat format = wxPATH_NATIVE );
-
+
// Dir accessors
void AppendDir( const wxString &dir );
void PrependDir( const wxString &dir );
void InsertDir( int before, const wxString &dir );
void RemoveDir( int pos );
- size_t GetDirCount() { return m_dirs.GetCount(); }
-
+ size_t GetDirCount() const { return m_dirs.GetCount(); }
+
// Other accessors
void SetExt( const wxString &ext ) { m_ext = ext; }
wxString GetExt() const { return m_ext; }
- bool HasExt() const { return !m_ext.IsEmpty(); }
-
+ bool HasExt() const { return !m_ext.empty(); }
+
void SetName( const wxString &name ) { m_name = name; }
wxString GetName() const { return m_name; }
- bool HasName() const { return !m_name.IsEmpty(); }
-
- // name and ext
- void SetFullName( const wxString name, wxPathFormat format = wxPATH_NATIVE );
- wxString GetFullName();
-
- const wxArrayString &GetDirs() const { return m_dirs; }
-
- // Construct path only
- wxString GetPath( bool add_separator = FALSE, wxPathFormat format = wxPATH_NATIVE ) const;
-
+ bool HasName() const { return !m_name.empty(); }
+
+ void SetVolume( const wxString &volume ) { m_volume = volume; }
+ wxString GetVolume() const { return m_volume; }
+ bool HasVolume() const { return !m_volume.empty(); }
+
+ // full name is the file name + extension (but without the path)
+ void SetFullName(const wxString& fullname);
+ wxString GetFullName() const;
+
+ const wxArrayString& GetDirs() const { return m_dirs; }
+
+ // Construct path only - possibly with the trailing separator
+ wxString GetPath( bool add_separator = FALSE,
+ wxPathFormat format = wxPATH_NATIVE ) const;
+
+ // more readable synonym
+ wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
+ { return GetPath(TRUE /* add separator */, format); }
+
// Construct full path with name and ext
wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const;
-
-
+
+ // Return the short form of the path (returns identity on non-Windows platforms)
+ wxString GetShortPath() const;
+
+ // Return the long form of the path (returns identity on non-Windows platforms)
+ wxString GetLongPath() const;
+
+ // various helpers
+
+ // get the canonical path format for this platform
static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE );
-
+
+ // split a fullpath into the volume, path, (base) name and extension
+ // (all of the pointers can be NULL)
+ static void SplitPath(const wxString& fullpath,
+ wxString *volume,
+ wxString *path,
+ wxString *name,
+ wxString *ext,
+ wxPathFormat format = wxPATH_NATIVE);
+
+ // compatibility version
+ static void SplitPath(const wxString& fullpath,
+ wxString *path,
+ wxString *name,
+ wxString *ext,
+ wxPathFormat format = wxPATH_NATIVE);
+
private:
- wxArrayString m_dirs;
- wxString m_name;
- wxString m_ext;
-};
+ // the drive/volume/device specification (always empty for Unix)
+ wxString m_volume;
+ // the path components of the file
+ wxArrayString m_dirs;
+ // the file name and extension (empty for directories)
+ wxString m_name,
+ m_ext;
+
+ // is the path relative
+ bool m_relative;
+};
-#endif // _WX_FFILENAME_H_
+#endif // _WX_FILENAME_H_
projects / wxWidgets.git / blobdiff