git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10156 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			280 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			280 lines
		
	
	
		
			9.6 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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| 
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| #ifndef   _WX_FILENAME_H_
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| #define   _WX_FILENAME_H_
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| 
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| #ifdef __GNUG__
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|     #pragma interface "filename.h"
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| #endif
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| 
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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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| /*
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|     TODO:
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| 
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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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| 
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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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| #include "wx/datetime.h"
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| 
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| // ----------------------------------------------------------------------------
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| // constants
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| // ----------------------------------------------------------------------------
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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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| 
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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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| 
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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_LONG =     0x0020,  // make the path the long form
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|     wxPATH_NORM_ALL      = 0x003f
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| };
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         // the same for delayed initialization
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| 
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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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| 
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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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| 
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|         // assorted assignment operators
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| 
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|     wxFileName& operator=(const wxFileName& filename)
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|         { Assign(filename); return *this; }
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| 
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|     wxFileName& operator=(const wxString& filename)
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|         { Assign(filename); return *this; }
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| 
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|         // reset all components to default, uninitialized state
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|     void Clear();
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| 
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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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| 
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|     // test for existence
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| 
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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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| 
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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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| 
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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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| 
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|         // Well, get modification time with sec resolution
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|     wxDateTime GetModificationTime();
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|     
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|         // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
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| 
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|     // various file/dir operations
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     // directory creation and removal.
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|     // if full is TRUE, will try to make each directory in the path.
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|     bool Mkdir( int perm = 0777, bool full = FALSE);
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|     static bool Mkdir( const wxString &dir, int perm = 0777, bool full = FALSE );
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| 
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|     bool Rmdir();
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|     static bool Rmdir( const wxString &dir );
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| 
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|     // operations on the path
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| 
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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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| 
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|     // Comparison
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     // FIXME: what exactly does this do?
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|     bool IsWild( wxPathFormat format = wxPATH_NATIVE );
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     const wxArrayString &GetDirs() const        { return m_dirs; }
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| 
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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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| 
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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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| 
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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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| 
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|     // Return the short form of the path (returns identity on non-Windows platforms)
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|     wxString GetShortPath() const;
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| 
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|     // Return the long form of the path (returns identity on non-Windows platforms)
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|     wxString GetLongPath() const;
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| 
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|     // various helpers
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #endif // _WX_FILENAME_H_
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| 
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