/////////////////////////////////////////////////////////////////////////////
// Name: filefn.h
-// Purpose: documentation for wxPathList class
+// Purpose: interface of wxPathList and file functions
// Author: wxWidgets team
// RCS-ID: $Id$
// Licence: wxWindows license
@wxheader{filefn.h}
The path list is a convenient way of storing a number of directories, and
- when presented with a filename without a directory, searching for an existing
- file
- in those directories.
+ when presented with a filename without a directory, searching for an
+ existing file in those directories.
- Be sure to look also at wxStandardPaths if you only
- want to search files in some standard paths.
+ Be sure to look also at wxStandardPaths if you only want to search files in
+ some standard paths.
@library{wxbase}
@category{file}
- @seealso
- wxArrayString, wxStandardPaths, wxFileName
+ @see wxArrayString, wxStandardPaths, wxFileName
*/
class wxPathList : public wxArrayString
{
/**
Searches the given file in all paths stored in this class.
The first path which concatenated to the given string points to an existing
- file (see @ref wxFile::exists wxFileExists) is returned.
+ file (see wxFileExists()) is returned.
If the file wasn't found in any of the stored paths, an empty string is
returned.
The given string must be a file name, eventually with a path prefix (if the path
Note in fact that wxPathList can be used to store both relative and absolute
paths so that
if you Added() relative paths, then the current working directory
- (see wxGetCwd and wxSetWorkingDirectory)
+ (see wxGetCwd() and wxSetWorkingDirectory())
may affect the value returned by this function!
*/
wxString FindValidPath(const wxString& file) const;
};
+
// ============================================================================
// Global functions/macros
// ============================================================================
+/** @ingroup group_funcmacro_file */
+//@{
+
+/**
+ Under Unix this macro changes the current process umask to the given value,
+ unless it is equal to -1 in which case nothing is done, and restores it to
+ the original value on scope exit. It works by declaring a variable which
+ sets umask to @a mask in its constructor and restores it in its destructor.
+ Under other platforms this macro expands to nothing.
+
+ @header{wx/filefn.h}
+*/
+#define wxCHANGE_UMASK(int mask)
+
/**
This function returns the total number of bytes and number of free bytes on
- the disk containing the directory @a path (it should exist). Both
- @a total and @a free parameters may be @NULL if the corresponding
- information is not needed.
+ the disk containing the directory @a path (it should exist). Both @a total
+ and @a free parameters may be @NULL if the corresponding information is not
+ needed.
+
+ @wxsince{2.3.2}
+
+ @note The generic Unix implementation depends on the system having the
+ @c statfs() or @c statvfs() function.
+
+ @returns @true on success, @false if an error occurred (for example, the
+ directory doesn’t exist).
+
+ @header{wx/filefn.h}
*/
bool wxGetDiskSpace(const wxString& path,
wxLongLong total = NULL,
wxLongLong free = NULL);
/**
- Returns the Windows directory under Windows; on other platforms returns the
+ Returns the Windows directory under Windows; other platforms return an
empty string.
+
+ @header{wx/filefn.h}
*/
wxString wxGetOSDirectory();
/**
- Parses the @e wildCard, returning the number of filters.
- Returns 0 if none or if there's a problem.
- The arrays will contain an equal number of items found before the error.
- On platforms where native dialogs handle only one filter per entry,
- entries in arrays are automatically adjusted.
- @a wildCard is in the form:
+ Parses the @a wildCard, returning the number of filters. Returns 0 if none
+ or if there's a problem.
+
+ The arrays will contain an equal number of items found before the error. On
+ platforms where native dialogs handle only one filter per entry, entries in
+ arrays are automatically adjusted. @a wildCard is in the form:
@code
"All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png"
@endcode
+
+ @header{wx/filefn.h}
*/
int wxParseCommonDialogsFilter(const wxString& wildCard,
wxArrayString& descriptions,
wxArrayString& filters);
/**
- This function is deprecated, use wxFileName instead.
- Converts a Unix to a DOS filename by replacing forward
- slashes with backslashes.
+ Converts a DOS to a Unix filename by replacing backslashes with forward
+ slashes.
+
+ @header{wx/filefn.h}
+*/
+void wxDos2UnixFilename(wxChar* s);
+
+/**
+ @warning This function is deprecated, use wxFileName instead.
+
+ Converts a Unix to a DOS filename by replacing forward slashes with
+ backslashes.
+
+ @header{wx/filefn.h}
*/
void wxUnix2DosFilename(wxChar* s);
/**
Returns @true if @a dirname exists and is a directory.
+
+ @header{wx/filefn.h}
*/
bool wxDirExists(const wxString& dirname);
/**
- @b NB: This function is obsolete, please use
- wxFileName::SplitPath instead.
+ @warning This function is obsolete, please use wxFileName::SplitPath()
+ instead.
+
This function splits a full file name into components: the path (including
- possible disk/drive
- specification under Windows), the base name and the extension. Any of the
- output parameters
- (@e path, @a name or @e ext) may be @NULL if you are not interested in the value
- of
- a particular component.
+ possible disk/drive specification under Windows), the base name, and the
+ extension. Any of the output parameters (@a path, @a name or @a ext) may be
+ @NULL if you are not interested in the value of a particular component.
+
wxSplitPath() will correctly handle filenames with both DOS and Unix path
- separators under
- Windows, however it will not consider backslashes as path separators under Unix
- (where backslash
- is a valid character in a filename).
+ separators under Windows, however it will not consider backslashes as path
+ separators under Unix (where backslash is a valid character in a filename).
+
On entry, @a fullname should be non-@NULL (it may be empty though).
- On return, @a path contains the file path (without the trailing separator), @e
- name
- contains the file name and @a ext contains the file extension without leading
- dot. All
- three of them may be empty if the corresponding component is. The old contents
- of the
- strings pointed to by these parameters will be overwritten in any case (if the
- pointers
- are not @NULL).
-*/
-void wxSplitPath(const wxString& fullname, wxString* path,
- wxString* name,
- wxString* ext);
-/**
- Under Unix this macro changes the current process umask to the given value,
- unless it is equal to -1 in which case nothing is done, and restores it to
- the original value on scope exit. It works by declaring a variable which sets
- umask to @a mask in its constructor and restores it in its destructor.
- Under other platforms this macro expands to nothing.
+ On return, @a path contains the file path (without the trailing separator),
+ @a name contains the file name and @c ext contains the file extension
+ without leading dot. All three of them may be empty if the corresponding
+ component is. The old contents of the strings pointed to by these
+ parameters will be overwritten in any case (if the pointers are not @NULL).
+
+ @header{wx/filefn.h}
*/
-#define wxCHANGE_UMASK(int mask) /* implementation is private */
+void wxSplitPath(const wxString& fullname,
+ wxString* path,
+ wxString* name,
+ wxString* ext);
/**
Returns time of last modification of given file.
- The function returns @c (time_t)-1 if an error occurred (e.g. file not
- found).
-*/
-time_t wxFileModificationTime(const wxString& filename);
-//@{
-/**
- @b NB: This function is obsolete, please use
- wxFileName::SplitPath instead.
- Returns the filename for a full path. The second form returns a pointer to
- temporary storage that should not be deallocated.
+ The function returns <tt>(time_t)-1</tt> if an error occurred (e.g. file
+ not found).
+
+ @header{wx/filefn.h}
*/
-wxString wxFileNameFromPath(const wxString& path);
-char* wxFileNameFromPath(char* path);
-//@}
+time_t wxFileModificationTime(const wxString& filename);
/**
Renames @a file1 to @e file2, returning @true if successful.
+
If @a overwrite parameter is @true (default), the destination file is
- overwritten if it exists, but if @a overwrite is @false, the functions fails
- in this case.
+ overwritten if it exists, but if @a overwrite is @false, the functions
+ fails in this case.
+
+ @header{wx/filefn.h}
*/
-bool wxRenameFile(const wxString& file1, const wxString& file2,
- bool overwrite = true);
+bool wxRenameFile(const wxString& file1,
+ const wxString& file2,
+ bool overwrite = true);
/**
- Copies @a file1 to @e file2, returning @true if successful. If
- @a overwrite parameter is @true (default), the destination file is overwritten
- if it exists, but if @a overwrite is @false, the functions fails in this
- case.
+ Copies @a file1 to @e file2, returning @true if successful. If @a overwrite
+ parameter is @true (default), the destination file is overwritten if it
+ exists, but if @a overwrite is @false, the functions fails in this case.
+
This function supports resources forks under Mac OS.
+
+ @header{wx/filefn.h}
*/
-bool wxCopyFile(const wxString& file1, const wxString& file2,
- bool overwrite = true);
+bool wxCopyFile(const wxString& file1,
+ const wxString& file2,
+ bool overwrite = true);
/**
Returns @true if the file exists and is a plain file.
+
+ @header{wx/filefn.h}
*/
bool wxFileExists(const wxString& filename);
/**
- Returns @true if the @a pattern matches the @e text; if @a dot_special is @true,
- filenames beginning with a dot are not matched
- with wildcard characters. See wxIsWild.
+ Returns @true if the @a pattern matches the @e text; if @a dot_special is
+ @true, filenames beginning with a dot are not matched with wildcard
+ characters.
+
+ @see wxIsWild()
+
+ @header{wx/filefn.h}
*/
-bool wxMatchWild(const wxString& pattern, const wxString& text,
- bool dot_special);
+bool wxMatchWild(const wxString& pattern,
+ const wxString& text,
+ bool dot_special);
/**
- @b NB: This function is deprecated: use wxGetCwd instead.
- Copies the current working directory into the buffer if supplied, or
- copies the working directory into new storage (which you must delete
- yourself) if the buffer is @NULL.
+ @warning This function is deprecated, use wxGetCwd() instead.
+
+ Copies the current working directory into the buffer if supplied, or copies
+ the working directory into new storage (which you must delete yourself) if
+ the buffer is @NULL.
+
@a sz is the size of the buffer if supplied.
+
+ @header{wx/filefn.h}
*/
wxString wxGetWorkingDirectory(char* buf = NULL, int sz = 1000);
/**
Returns the directory part of the filename.
+
+ @header{wx/filefn.h}
*/
wxString wxPathOnly(const wxString& path);
/**
- Returns @true if the pattern contains wildcards. See wxMatchWild.
+ Returns @true if the pattern contains wildcards.
+
+ @see wxMatchWild()
+
+ @header{wx/filefn.h}
*/
bool wxIsWild(const wxString& pattern);
+/**
+ Returns @true if the argument is an absolute filename, i.e. with a slash
+ or drive name at the beginning.
+
+ @header{wx/filefn.h}
+*/
+bool wxIsAbsolutePath(const wxString& filename);
+
/**
Returns a string containing the current (or working) directory.
+
+ @header{wx/filefn.h}
*/
wxString wxGetCwd();
/**
- Converts a DOS to a Unix filename by replacing backslashes with forward
- slashes.
+ Sets the current working directory, returning @true if the operation
+ succeeded. Under MS Windows, the current drive is also changed if @a dir
+ contains a drive specification.
+
+ @header{wx/filefn.h}
*/
-void wxDos2UnixFilename(wxChar* s);
+bool wxSetWorkingDirectory(const wxString& dir);
/**
- Concatenates @a file1 and @a file2 to @e file3, returning
- @true if successful.
+ Concatenates @a file1 and @a file2 to @e file3, returning @true if
+ successful.
+
+ @header{wx/filefn.h}
*/
-bool wxConcatFiles(const wxString& file1, const wxString& file2,
- const wxString& file3);
+bool wxConcatFiles(const wxString& file1,
+ const wxString& file2,
+ const wxString& file3);
/**
Removes @e file, returning @true if successful.
+
+ @header{wx/filefn.h}
*/
bool wxRemoveFile(const wxString& file);
/**
- Sets the current working directory, returning @true if the operation succeeded.
- Under MS Windows, the current drive is also changed if @a dir contains a drive
- specification.
-*/
-bool wxSetWorkingDirectory(const wxString& dir);
+ Makes the directory @a dir, returning @true if successful.
-/**
- Makes the directory @e dir, returning @true if successful.
@a perm is the access mask for the directory for the systems on which it is
supported (Unix) and doesn't have any effect on the other ones.
+
+ @header{wx/filefn.h}
*/
bool wxMkdir(const wxString& dir, int perm = 0777);
/**
- Returns @true if the argument is an absolute filename, i.e. with a slash
- or drive name at the beginning.
+ Removes the directory @a dir, returning @true if successful. Does not work
+ under VMS.
+
+ The @a flags parameter is reserved for future use.
+
+ @note There is also a wxRmDir() function which simply wraps the standard
+ POSIX @c rmdir() function and so return an integer error code instead
+ of a boolean value (but otherwise is currently identical to
+ wxRmdir()), don't confuse these two functions.
+
+ @header{wx/filefn.h}
*/
-bool wxIsAbsolutePath(const wxString& filename);
+bool wxRmdir(const wxString& dir, int flags = 0);
/**
- Returns the next file that matches the path passed to wxFindFirstFile.
- See wxFindFirstFile for an example.
+ Returns the next file that matches the path passed to wxFindFirstFile().
+
+ See wxFindFirstFile() for an example.
+
+ @header{wx/filefn.h}
*/
wxString wxFindNextFile();
/**
- This function does directory searching; returns the first file
- that matches the path @e spec, or the empty string. Use wxFindNextFile to
- get the next matching file. Neither will report the current directory "." or the
- parent directory "..".
+ This function does directory searching; returns the first file that matches
+ the path @a spec, or the empty string. Use wxFindNextFile() to get the next
+ matching file. Neither will report the current directory "." or the parent
+ directory "..".
+
+ @warning As of 2.5.2, these functions are not thread-safe! (they use static
+ variables). You probably want to use wxDir::GetFirst() or
+ wxDirTraverser instead.
+
+ @a spec may contain wildcards.
+
+ @a flags may be wxDIR for restricting the query to directories, wxFILE for
+ files or zero for either.
+
+ For example:
+
+ @code
+ wxString f = wxFindFirstFile("/home/project/*.*");
+ while ( !f.empty() )
+ {
+ ...
+ f = wxFindNextFile();
+ }
+ @endcode
+
+ @header{wx/filefn.h}
*/
wxString wxFindFirstFile(const wxString& spec, int flags = 0);
+/**
+ File kind enumerations returned from wxGetFileKind().
+
+ @header{wx/filefn.h}
+*/
+enum wxFileKind
+{
+ wxFILE_KIND_UNKNOWN, ///< Unknown file kind, or unable to determine
+ wxFILE_KIND_DISK, ///< A file supporting seeking to arbitrary offsets
+ wxFILE_KIND_TERMINAL, ///< A tty
+ wxFILE_KIND_PIPE ///< A pipe
+};
+
+//@}
+
+/** @ingroup group_funcmacro_file */
//@{
/**
- Returns the type of an open file. Possible return values are:
+ Returns the type of an open file. Possible return values are enumerations
+ of ::wxFileKind.
- @code
- enum wxFileKind
- {
- wxFILE_KIND_UNKNOWN,
- wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets
- wxFILE_KIND_TERMINAL, // a tty
- wxFILE_KIND_PIPE // a pipe
- };
- @endcode
+ @header{wx/filefn.h}
*/
wxFileKind wxGetFileKind(int fd);
wxFileKind wxGetFileKind(FILE* fp);
//@}
+/** @ingroup group_funcmacro_file */
//@{
/**
- @b NB: These functions are obsolete, please use
- wxFileName::CreateTempFileName
- instead.
+ @warning This function is obsolete, please use wxFileName::SplitPath()
+ instead.
+
+ Returns the filename for a full path. The second form returns a pointer to
+ temporary storage that should not be deallocated.
+
+ @header{wx/filefn.h}
*/
-char* wxGetTempFileName(const wxString& prefix, char* buf = NULL);
-bool wxGetTempFileName(const wxString& prefix, wxString& buf);
+wxString wxFileNameFromPath(const wxString& path);
+char* wxFileNameFromPath(char* path);
//@}
+/** @ingroup group_funcmacro_file */
+//@{
/**
- Removes the directory @e dir, returning @true if successful. Does not work under
- VMS.
- The @a flags parameter is reserved for future use.
- Please notice that there is also a wxRmDir() function which simply wraps the
- standard POSIX rmdir() function and so return an integer error code instead of
- a boolean value (but otherwise is currently identical to wxRmdir), don't
- confuse these two functions.
+ @warning This function is obsolete, please use
+ wxFileName::CreateTempFileName() instead.
+
+ @header{wx/filefn.h}
*/
-bool wxRmdir(const wxString& dir, int flags = 0);
+char* wxGetTempFileName(const wxString& prefix, char* buf = NULL);
+bool wxGetTempFileName(const wxString& prefix, wxString& buf);
+//@}
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