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df5ddbca 1/////////////////////////////////////////////////////////////////////////////
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2// Name: wx/filename.h
3// Purpose: wxFileName - encapsulates a file path
844f90fb 4// Author: Robert Roebling, Vadim Zeitlin
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5// Modified by:
6// Created: 28.12.00
7// RCS-ID: $Id$
8// Copyright: (c) 2000 Robert Roebling
371a5b4e 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_FILENAME_H_
13#define _WX_FILENAME_H_
14
12028905 15#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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16 #pragma interface "filename.h"
17#endif
18
19#ifndef WX_PRECOMP
9e8d8607 20 #include "wx/string.h"
df5168c4 21 #include "wx/arrstr.h"
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22#endif
23
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24/*
25 TODO:
26
27 1. support for drives under Windows
28 2. more file operations:
29 a) chmod()
30 b) [acm]time() - get and set
31 c) file size
32 d) file permissions with readable accessors for most common bits
33 such as IsReadable() &c
34 e) rename()?
35 3. SameFileAs() function to compare inodes under Unix
36 */
37
df5ddbca 38// ridiculously enough, this will replace DirExists with wxDirExists etc
ee66f092 39#include "wx/filefn.h"
ce16e5d7 40#include "wx/datetime.h"
df5ddbca 41
bddd7a8d 42class WXDLLIMPEXP_BASE wxFile;
df22f860 43
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44// ----------------------------------------------------------------------------
45// constants
46// ----------------------------------------------------------------------------
47
48// the various values for the path format: this mainly affects the path
49// separator but also whether or not the path has the drive part (as under
50// Windows)
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51enum wxPathFormat
52{
844f90fb 53 wxPATH_NATIVE = 0, // the path format for the current platform
097ead30 54 wxPATH_UNIX,
f363e05c 55 wxPATH_BEOS = wxPATH_UNIX,
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56 wxPATH_MAC,
57 wxPATH_DOS,
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58 wxPATH_WIN = wxPATH_DOS,
59 wxPATH_OS2 = wxPATH_DOS,
3c621059 60 wxPATH_VMS,
ee66f092 61
f363e05c 62 wxPATH_MAX // Not a valid value for specifying path format
097ead30 63};
ee66f092 64
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65// the kind of normalization to do with the file name: these values can be
66// or'd together to perform several operations at once
67enum wxPathNormalize
68{
69 wxPATH_NORM_ENV_VARS = 0x0001, // replace env vars with their values
844f90fb 70 wxPATH_NORM_DOTS = 0x0002, // squeeze all .. and . and prepend cwd
097ead30 71 wxPATH_NORM_TILDE = 0x0004, // Unix only: replace ~ and ~user
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72 wxPATH_NORM_CASE = 0x0008, // if case insensitive => tolower
73 wxPATH_NORM_ABSOLUTE = 0x0010, // make the path absolute
9e9b65c1 74 wxPATH_NORM_LONG = 0x0020, // make the path the long form
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75 wxPATH_NORM_SHORTCUT = 0x0040, // resolve the shortcut, if it is a shortcut
76 wxPATH_NORM_ALL = 0x00ff & ~wxPATH_NORM_CASE
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77};
78
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79// what exactly should GetPath() return?
80enum
81{
82 wxPATH_GET_VOLUME = 0x0001, // include the volume if applicable
83 wxPATH_GET_SEPARATOR = 0x0002 // terminate the path with the separator
84};
85
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86// MkDir flags
87enum
88{
89 wxPATH_MKDIR_FULL = 0x0001 // create directories recursively
90};
91
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92// ----------------------------------------------------------------------------
93// wxFileName: encapsulates a file path
94// ----------------------------------------------------------------------------
95
bddd7a8d 96class WXDLLIMPEXP_BASE wxFileName
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97{
98public:
99 // constructors and assignment
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100
101 // the usual stuff
fb969475 102 wxFileName() { Clear(); }
520200fd 103 wxFileName(const wxFileName& filepath) { Assign(filepath); }
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104
105 // from a full filename: if it terminates with a '/', a directory path
106 // is contructed (the name will be empty), otherwise a file name and
107 // extension are extracted from it
108 wxFileName( const wxString& fullpath, wxPathFormat format = wxPATH_NATIVE )
109 { Assign( fullpath, format ); }
110
111 // from a directory name and a file name
112 wxFileName(const wxString& path,
113 const wxString& name,
114 wxPathFormat format = wxPATH_NATIVE)
115 { Assign(path, name, format); }
116
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117 // from a volume, directory name, file base name and extension
118 wxFileName(const wxString& volume,
119 const wxString& path,
120 const wxString& name,
121 const wxString& ext,
122 wxPathFormat format = wxPATH_NATIVE)
123 { Assign(volume, path, name, ext, format); }
124
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125 // from a directory name, file base name and extension
126 wxFileName(const wxString& path,
127 const wxString& name,
128 const wxString& ext,
129 wxPathFormat format = wxPATH_NATIVE)
130 { Assign(path, name, ext, format); }
131
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132 // the same for delayed initialization
133
844f90fb 134 void Assign(const wxFileName& filepath);
04c943b1 135
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136 void Assign(const wxString& fullpath,
137 wxPathFormat format = wxPATH_NATIVE);
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138
139 void Assign(const wxString& volume,
140 const wxString& path,
141 const wxString& name,
142 const wxString& ext,
143 wxPathFormat format = wxPATH_NATIVE);
144
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145 void Assign(const wxString& path,
146 const wxString& name,
147 wxPathFormat format = wxPATH_NATIVE);
04c943b1 148
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149 void Assign(const wxString& path,
150 const wxString& name,
151 const wxString& ext,
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152 wxPathFormat format = wxPATH_NATIVE)
153 {
154 // empty volume
fda7962d 155 Assign(wxEmptyString, path, name, ext, format);
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156 }
157
52dbd056 158 void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE);
844f90fb 159
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160 // assorted assignment operators
161
162 wxFileName& operator=(const wxFileName& filename)
163 { Assign(filename); return *this; }
164
165 wxFileName& operator=(const wxString& filename)
166 { Assign(filename); return *this; }
167
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168 // reset all components to default, uninitialized state
169 void Clear();
170
171 // static pseudo constructors
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172 static wxFileName FileName(const wxString& file,
173 wxPathFormat format = wxPATH_NATIVE);
174 static wxFileName DirName(const wxString& dir,
175 wxPathFormat format = wxPATH_NATIVE);
844f90fb 176
951cd180 177 // file tests
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178
179 // is the filename valid at all?
df5168c4 180 bool IsOk() const { return m_dirs.size() != 0 || !m_name.IsEmpty(); }
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181
182 // does the file with this name exists?
8e41796c 183 bool FileExists() const;
a35b27b1 184 static bool FileExists( const wxString &file );
097ead30 185
844f90fb 186 // does the directory with this name exists?
8e41796c 187 bool DirExists() const;
a35b27b1 188 static bool DirExists( const wxString &dir );
097ead30 189
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190 // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
191
951cd180 192 // time functions
e2b87f38 193#if wxUSE_DATETIME
6dbb903b 194 // set the file last access/mod and creation times
951cd180 195 // (any of the pointers may be NULL)
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196 bool SetTimes(const wxDateTime *dtAccess,
197 const wxDateTime *dtMod,
198 const wxDateTime *dtCreate);
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199
200 // set the access and modification times to the current moment
201 bool Touch();
202
6dbb903b 203 // return the last access, last modification and create times
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204 // (any of the pointers may be NULL)
205 bool GetTimes(wxDateTime *dtAccess,
206 wxDateTime *dtMod,
6dbb903b 207 wxDateTime *dtCreate) const;
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208
209 // convenience wrapper: get just the last mod time of the file
210 wxDateTime GetModificationTime() const
211 {
212 wxDateTime dtMod;
213 (void)GetTimes(NULL, &dtMod, NULL);
214 return dtMod;
215 }
e2b87f38 216#endif // wxUSE_DATETIME
951cd180 217
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218#ifdef __WXMAC__
219 bool MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) ;
220 bool MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) ;
221 // gets the 'common' type and creator for a certain extension
222 static bool MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) ;
223 // registers application defined extensions and their default type and creator
224 static void MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator ) ;
225 // looks up the appropriate type and creator from the registration and then sets
226 bool MacSetDefaultTypeAndCreator() ;
227#endif
fb969475 228
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229 // various file/dir operations
230
231 // retrieve the value of the current working directory
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232 void AssignCwd(const wxString& volume = wxEmptyString);
233 static wxString GetCwd(const wxString& volume = wxEmptyString);
097ead30 234
844f90fb 235 // change the current working directory
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236 bool SetCwd();
237 static bool SetCwd( const wxString &cwd );
097ead30 238
844f90fb 239 // get the value of user home (Unix only mainly)
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240 void AssignHomeDir();
241 static wxString GetHomeDir();
097ead30 242
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243 // get a temp file name starting with the specified prefix and open the
244 // file passed to us using this name for writing (atomically if
245 // possible)
246 void AssignTempFileName(const wxString& prefix, wxFile *fileTemp = NULL);
247 static wxString CreateTempFileName(const wxString& prefix,
248 wxFile *fileTemp = NULL);
097ead30 249
f0ce3409 250 // directory creation and removal.
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251 bool Mkdir( int perm = 0777, int flags = 0);
252 static bool Mkdir( const wxString &dir, int perm = 0777, int flags = 0 );
097ead30 253
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254 bool Rmdir();
255 static bool Rmdir( const wxString &dir );
097ead30 256
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257 // operations on the path
258
259 // normalize the path: with the default flags value, the path will be
260 // made absolute, without any ".." and "." and all environment
261 // variables will be expanded in it
262 //
263 // this may be done using another (than current) value of cwd
32a0d013 264 bool Normalize(int flags = wxPATH_NORM_ALL,
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265 const wxString& cwd = wxEmptyString,
266 wxPathFormat format = wxPATH_NATIVE);
097ead30 267
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268 // get a path path relative to the given base directory, i.e. opposite
269 // of Normalize
270 //
271 // pass an empty string to get a path relative to the working directory
272 //
f363e05c 273 // returns true if the file name was modified, false if we failed to do
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274 // anything with it (happens when the file is on a different volume,
275 // for example)
fda7962d 276 bool MakeRelativeTo(const wxString& pathBase = wxEmptyString,
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277 wxPathFormat format = wxPATH_NATIVE);
278
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279 // make the path absolute
280 //
281 // this may be done using another (than current) value of cwd
282 bool MakeAbsolute(const wxString& cwd = wxEmptyString,
283 wxPathFormat format = wxPATH_NATIVE)
284 { return Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_ABSOLUTE |
285 wxPATH_NORM_TILDE, cwd, format); }
f7d886af 286
ff95fdbb 287#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
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288 // if the path is a shortcut, return the target and optionally,
289 // the arguments
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290 bool GetShortcutTarget(const wxString& shortcutPath,
291 wxString& targetFilename,
292 wxString* arguments = NULL);
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293#endif
294
df5ddbca 295 // Comparison
844f90fb 296
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297 // compares with the rules of the given platforms format
298 bool SameAs(const wxFileName& filepath,
299 wxPathFormat format = wxPATH_NATIVE) const;
300
301 // compare with another filename object
302 bool operator==(const wxFileName& filename) const
303 { return SameAs(filename); }
304 bool operator!=(const wxFileName& filename) const
305 { return !SameAs(filename); }
306
307 // compare with a filename string interpreted as a native file name
308 bool operator==(const wxString& filename) const
309 { return SameAs(wxFileName(filename)); }
310 bool operator!=(const wxString& filename) const
311 { return !SameAs(wxFileName(filename)); }
844f90fb 312
04c943b1 313 // are the file names of this type cases sensitive?
844f90fb 314 static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );
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315
316 // is this filename absolute?
6d3d1c2e 317 bool IsAbsolute(wxPathFormat format = wxPATH_NATIVE) const;
844f90fb 318
04c943b1 319 // is this filename relative?
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320 bool IsRelative(wxPathFormat format = wxPATH_NATIVE) const
321 { return !IsAbsolute(format); }
04c943b1 322
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323 // Returns the characters that aren't allowed in filenames
324 // on the specified platform.
325 static wxString GetForbiddenChars(wxPathFormat format = wxPATH_NATIVE);
326
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327 // Information about path format
328
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329 // get the string separating the volume from the path for this format,
330 // return an empty string if this format doesn't support the notion of
331 // volumes at all
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332 static wxString GetVolumeSeparator(wxPathFormat format = wxPATH_NATIVE);
333
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334 // get the string of path separators for this format
335 static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE);
336
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337 // get the canonical path separator for this format
338 static wxChar GetPathSeparator(wxPathFormat format = wxPATH_NATIVE)
339 { return GetPathSeparators(format)[0u]; }
340
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341 // is the char a path separator for this format?
342 static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
343
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344 // Dir accessors
345 void AppendDir( const wxString &dir );
346 void PrependDir( const wxString &dir );
347 void InsertDir( int before, const wxString &dir );
348 void RemoveDir( int pos );
df5168c4 349 size_t GetDirCount() const { return m_dirs.size(); }
097ead30 350
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351 // Other accessors
352 void SetExt( const wxString &ext ) { m_ext = ext; }
353 wxString GetExt() const { return m_ext; }
04c943b1 354 bool HasExt() const { return !m_ext.empty(); }
097ead30 355
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356 void SetName( const wxString &name ) { m_name = name; }
357 wxString GetName() const { return m_name; }
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358 bool HasName() const { return !m_name.empty(); }
359
360 void SetVolume( const wxString &volume ) { m_volume = volume; }
361 wxString GetVolume() const { return m_volume; }
362 bool HasVolume() const { return !m_volume.empty(); }
097ead30 363
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364 // full name is the file name + extension (but without the path)
365 void SetFullName(const wxString& fullname);
844f90fb 366 wxString GetFullName() const;
097ead30 367
04c943b1 368 const wxArrayString& GetDirs() const { return m_dirs; }
097ead30 369
33b97389 370 // flags are combination of wxPATH_GET_XXX flags
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371 wxString GetPath(int flags = wxPATH_GET_VOLUME,
372 wxPathFormat format = wxPATH_NATIVE) const;
33b97389 373
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374 // Replace current path with this one
375 void SetPath( const wxString &path, wxPathFormat format = wxPATH_NATIVE );
097ead30 376
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377 // Construct full path with name and ext
378 wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const;
097ead30 379
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380 // Return the short form of the path (returns identity on non-Windows platforms)
381 wxString GetShortPath() const;
382
383 // Return the long form of the path (returns identity on non-Windows platforms)
384 wxString GetLongPath() const;
385
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386 // Is this a file or directory (not necessarily an existing one)
387 bool IsDir() const { return m_name.empty() && m_ext.empty(); }
388
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389 // various helpers
390
391 // get the canonical path format for this platform
df5ddbca 392 static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE );
097ead30 393
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394 // split a fullpath into the volume, path, (base) name and extension
395 // (all of the pointers can be NULL)
9e8d8607 396 static void SplitPath(const wxString& fullpath,
04c943b1 397 wxString *volume,
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398 wxString *path,
399 wxString *name,
400 wxString *ext,
401 wxPathFormat format = wxPATH_NATIVE);
402
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403 // compatibility version
404 static void SplitPath(const wxString& fullpath,
405 wxString *path,
406 wxString *name,
407 wxString *ext,
6f91bc33 408 wxPathFormat format = wxPATH_NATIVE);
04c943b1 409
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410
411 // deprecated methods, don't use any more
412 // --------------------------------------
413
4ce1efe1 414#ifndef __DIGITALMARS__
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415 wxString GetPath( bool withSep, wxPathFormat format = wxPATH_NATIVE ) const
416 { return GetPath(withSep ? wxPATH_GET_SEPARATOR : 0, format); }
4ce1efe1 417#endif
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418 wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
419 { return GetPath(wxPATH_GET_SEPARATOR, format); }
420
df5ddbca 421private:
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422 // check whether this dir is valid for Append/Prepend/InsertDir()
423 static bool IsValidDirComponent(const wxString& dir);
424
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425 // the drive/volume/device specification (always empty for Unix)
426 wxString m_volume;
427
844f90fb 428 // the path components of the file
df5ddbca 429 wxArrayString m_dirs;
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430
431 // the file name and extension (empty for directories)
432 wxString m_name,
433 m_ext;
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434
435 // when m_dirs is empty it may mean either that we have no path at all or
436 // that our path is '/', i.e. the root directory
437 //
438 // we use m_relative to distinguish between these two cases, it will be
f363e05c 439 // true in the former and false in the latter
6d3d1c2e 440 //
f363e05c 441 // NB: the path is not absolute just because m_relative is false, it still
6d3d1c2e 442 // needs the drive (i.e. volume) in some formats (Windows)
353f41cb 443 bool m_relative;
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444};
445
097ead30 446#endif // _WX_FILENAME_H_
df5ddbca 447