7124df9b59
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9028 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
268 lines
9.1 KiB
C++
268 lines
9.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/filename.h
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// Purpose: wxFileName - encapsulates a file path
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// Author: Robert Roebling, Vadim Zeitlin
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// Modified by:
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// Created: 28.12.00
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// RCS-ID: $Id$
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// Copyright: (c) 2000 Robert Roebling
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FILENAME_H_
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#define _WX_FILENAME_H_
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#ifdef __GNUG__
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#pragma interface "filename.h"
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#endif
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#ifndef WX_PRECOMP
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#include "wx/string.h"
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#endif
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/*
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TODO:
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1. support for drives under Windows
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2. more file operations:
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a) chmod()
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b) [acm]time() - get and set
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c) file size
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d) file permissions with readable accessors for most common bits
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such as IsReadable() &c
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e) rename()?
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3. SameFileAs() function to compare inodes under Unix
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*/
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// ridiculously enough, this will replace DirExists with wxDirExists etc
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#include "wx/filefn.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// the various values for the path format: this mainly affects the path
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// separator but also whether or not the path has the drive part (as under
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// Windows)
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enum wxPathFormat
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{
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wxPATH_NATIVE = 0, // the path format for the current platform
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wxPATH_UNIX,
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wxPATH_MAC,
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wxPATH_DOS,
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wxPATH_BEOS = wxPATH_UNIX,
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wxPATH_WIN = wxPATH_DOS,
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wxPATH_OS2 = wxPATH_DOS
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};
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// the kind of normalization to do with the file name: these values can be
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// or'd together to perform several operations at once
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enum wxPathNormalize
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{
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wxPATH_NORM_ENV_VARS = 0x0001, // replace env vars with their values
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wxPATH_NORM_DOTS = 0x0002, // squeeze all .. and . and prepend cwd
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wxPATH_NORM_TILDE = 0x0004, // Unix only: replace ~ and ~user
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wxPATH_NORM_CASE = 0x0008, // if case insensitive => tolower
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wxPATH_NORM_ABSOLUTE = 0x0010, // make the path absolute
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wxPATH_NORM_ALL = 0x001f
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};
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// ----------------------------------------------------------------------------
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// wxFileName: encapsulates a file path
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxFileName
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{
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public:
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// constructors and assignment
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// the usual stuff
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wxFileName() { }
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wxFileName( const wxFileName &filepath ) { Assign(filepath); }
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// from a full filename: if it terminates with a '/', a directory path
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// is contructed (the name will be empty), otherwise a file name and
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// extension are extracted from it
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wxFileName( const wxString& fullpath, wxPathFormat format = wxPATH_NATIVE )
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{ Assign( fullpath, format ); }
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// from a directory name and a file name
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wxFileName(const wxString& path,
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const wxString& name,
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wxPathFormat format = wxPATH_NATIVE)
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{ Assign(path, name, format); }
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// from a directory name, file base name and extension
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wxFileName(const wxString& path,
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const wxString& name,
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const wxString& ext,
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wxPathFormat format = wxPATH_NATIVE)
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{ Assign(path, name, ext, format); }
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// assorted assignment operators
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wxFileName& operator=(const wxFileName& filename)
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{ Assign(filename); return *this; }
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wxFileName& operator=(const wxString& filename)
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{ Assign(filename); return *this; }
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// the same for delayed initialization
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// VZ: wouldn't it be better to call this Create() for consistency with
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// all GUI classes? Personally, I like Set() more than Assign() too
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void Assign(const wxFileName& filepath);
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void Assign(const wxString& fullpath,
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wxPathFormat format = wxPATH_NATIVE);
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void Assign(const wxString& path,
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const wxString& name,
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wxPathFormat format = wxPATH_NATIVE);
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void Assign(const wxString& path,
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const wxString& name,
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const wxString& ext,
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wxPathFormat format = wxPATH_NATIVE);
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void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE)
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{ Assign(dir, _T(""), format); }
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// reset all components to default, uninitialized state
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void Clear();
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// static pseudo constructors
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static wxFileName FileName(const wxString& file);
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static wxFileName DirName(const wxString& dir);
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// test for existence
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// is the filename valid at all?
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bool IsOk() const { return !m_dirs.IsEmpty() || !m_name.IsEmpty(); }
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// does the file with this name exists?
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bool FileExists();
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static bool FileExists( const wxString &file );
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// does the directory with this name exists?
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bool DirExists();
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static bool DirExists( const wxString &dir );
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// VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
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// various file/dir operations
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// retrieve the value of the current working directory
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void AssignCwd();
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static wxString GetCwd();
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// change the current working directory
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bool SetCwd();
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static bool SetCwd( const wxString &cwd );
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// get the value of user home (Unix only mainly)
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void AssignHomeDir();
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static wxString GetHomeDir();
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// get a temp file name starting with thespecified prefix
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void AssignTempFileName( const wxString &prefix );
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// directory creation and removal
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bool Mkdir( int perm = 0777 );
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static bool Mkdir( const wxString &dir, int perm = 0777 );
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bool Rmdir();
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static bool Rmdir( const wxString &dir );
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// operations on the path
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// normalize the path: with the default flags value, the path will be
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// made absolute, without any ".." and "." and all environment
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// variables will be expanded in it
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//
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// this may be done using another (than current) value of cwd
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bool Normalize(wxPathNormalize flags = wxPATH_NORM_ALL,
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const wxString& cwd = wxEmptyString,
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wxPathFormat format = wxPATH_NATIVE);
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// Comparison
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// uses the current platform settings
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bool operator==(const wxFileName& filename) { return SameAs(filename); }
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bool operator==(const wxString& filename)
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{ return *this == wxFileName(filename); }
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// compares with the rules of this platform
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bool SameAs(const wxFileName &filepath,
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wxPathFormat format = wxPATH_NATIVE);
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// Tests
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static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );
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bool IsRelative( wxPathFormat format = wxPATH_NATIVE );
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bool IsAbsolute( wxPathFormat format = wxPATH_NATIVE );
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// get the string of path separators for this format
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static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE);
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// is the char a path separator for this format?
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static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
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// FIXME: what exactly does this do?
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bool IsWild( wxPathFormat format = wxPATH_NATIVE );
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// Dir accessors
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void AppendDir( const wxString &dir );
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void PrependDir( const wxString &dir );
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void InsertDir( int before, const wxString &dir );
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void RemoveDir( int pos );
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size_t GetDirCount() const { return m_dirs.GetCount(); }
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// Other accessors
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void SetExt( const wxString &ext ) { m_ext = ext; }
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wxString GetExt() const { return m_ext; }
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bool HasExt() const { return !m_ext.IsEmpty(); }
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void SetName( const wxString &name ) { m_name = name; }
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wxString GetName() const { return m_name; }
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bool HasName() const { return !m_name.IsEmpty(); }
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// full name is the file name + extension (but without the path)
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void SetFullName(const wxString& fullname);
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wxString GetFullName() const;
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const wxArrayString &GetDirs() const { return m_dirs; }
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// Construct path only - possibly with the trailing separator
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wxString GetPath( bool add_separator = FALSE,
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wxPathFormat format = wxPATH_NATIVE ) const;
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// more readable synonym
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wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
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{ return GetPath(TRUE /* add separator */, format); }
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// Construct full path with name and ext
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wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const;
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// various helpers
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// get the canonical path format for this platform
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static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE );
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// split a fullpath into path, (base) name and ext (all of the pointers
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// can be NULL)
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static void SplitPath(const wxString& fullpath,
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wxString *path,
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wxString *name,
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wxString *ext,
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wxPathFormat format = wxPATH_NATIVE);
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private:
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// the path components of the file
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wxArrayString m_dirs;
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// the file name and extension (empty for directories)
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wxString m_name,
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m_ext;
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};
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#endif // _WX_FILENAME_H_
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