X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d38315df30415b030d93172123920d69c5c5e3b6..92c0fc34c104c8d7c12d6a3b78ea232690fc23f4:/interface/wx/dir.h diff --git a/interface/wx/dir.h b/interface/wx/dir.h index 213db2b3fc..d9a9c0dae7 100644 --- a/interface/wx/dir.h +++ b/interface/wx/dir.h @@ -2,8 +2,7 @@ // Name: dir.h // Purpose: interface of wxDir and wxDirTraverser // Author: wxWidgets team -// RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @@ -94,8 +93,8 @@ public: /** - These flags define what kind of filenames are included in the list of files - enumerated by wxDir::GetFirst() and wxDir::GetNext(). + These flags affect the behaviour of GetFirst/GetNext() and Traverse(), + determining what types are included in the list of items they produce. */ enum wxDirFlags { @@ -104,8 +103,28 @@ enum wxDirFlags wxDIR_HIDDEN = 0x0004, ///< Includes hidden files. wxDIR_DOTDOT = 0x0008, ///< Includes "." and "..". - //! Combination of the @c wxDIR_FILES, @c wxDIR_DIRS, @c wxDIR_HIDDEN flags - //! defined above. + /** + Don't follow symbolic links during the directory traversal. + + This flag is ignored under systems not supporting symbolic links (i.e. + non-Unix ones). + + Notice that this flag is @e not included in wxDIR_DEFAULT and so the + default behaviour of wxDir::Traverse() is to follow symbolic links, + even if they lead outside of the directory being traversed. + + @since 2.9.5 + */ + wxDIR_NO_FOLLOW = 0x0010, + + /** + Default directory traversal flags include both files and directories, + even hidden. + + Notice that by default wxDIR_NO_FOLLOW is @e not included, meaning that + symbolic links are followed by default. If this is not desired, you + must pass that flag explicitly. + */ wxDIR_DEFAULT = wxDIR_FILES | wxDIR_DIRS | wxDIR_HIDDEN }; @@ -160,11 +179,23 @@ public: wxDir(const wxString& dir); /** - Destructor cleans up the associated resources. It is not virtual and so - this class is not meant to be used polymorphically. + Destructor cleans up the associated resources by calling Close(). + + It is not virtual and so this class is not meant to be used + polymorphically. */ ~wxDir(); + /** + Close the directory. + + The object can't be used after closing it, but Open() may be called + again to reopen it later. + + @since 2.9.5 + */ + void Close(); + /** Test for existence of a directory with the given name. */ @@ -218,11 +249,31 @@ public: int flags = wxDIR_DEFAULT) const; /** - Returns the name of the directory itself. The returned string does not - have the trailing path separator (slash or backslash). + Returns the name of the directory itself. + + The returned string does not have the trailing path separator (slash or + backslash). + + Notice that in spite of this the last character of the returned string + can still be the path separator if this directory is the root one. + Because of this, don't append @c wxFILE_SEP_PATH to the returned value + if you do need a slash-terminated directory name but use + GetNameWithSep() instead to avoid having duplicate consecutive slashes. */ wxString GetName() const; + /** + Returns the name of the directory with the path separator appended. + + The last character of the returned string is always @c wxFILE_SEP_PATH + unless the string is empty, indicating that this directory is invalid. + + @see GetName() + + @since 2.9.4 + */ + wxString GetNameWithSep() const; + /** Continue enumerating files which satisfy the criteria specified by the last call to GetFirst(). @@ -233,7 +284,7 @@ public: Returns the size (in bytes) of all files recursively found in @c dir or @c wxInvalidSize in case of error. - In case it happens that while traversing folders a file's size can not + In case it happens that while traversing folders a file's size cannot be read, that file is added to the @a filesSkipped array, if not @NULL, and then skipped. This usually happens with some special folders which are locked by the operating system or by another process. Remember that @@ -290,24 +341,28 @@ public: static bool Remove(const wxString &dir, int flags = 0); /** - Enumerate all files and directories under the given directory - recursively calling the element of the provided wxDirTraverser object - for each of them. - - More precisely, the function will really recurse into subdirectories if - @a flags contains ::wxDIR_DIRS flag. It will ignore the files (but - still possibly recurse into subdirectories) if ::wxDIR_FILES flag is - given. - See ::wxDirFlags for the list of the possible flags. + Enumerate all files and directories under the given directory. + + If @a flags contains ::wxDIR_DIRS this enumeration is recursive, i.e. + all the subdirectories of the given one and the files inside them will + be traversed. Otherwise only the files in this directory itself are. + + If @a flags doesn't contain ::wxDIR_FILES then only subdirectories are + examined but not normal files. It doesn't make sense to not specify + either ::wxDIR_DIRS or ::wxDIR_FILES and usually both of them should be + specified, as is the case by default. For each directory found, @ref wxDirTraverser::OnDir() "sink.OnDir()" is called and @ref wxDirTraverser::OnFile() "sink.OnFile()" is called for every file. Depending on the return value, the enumeration may - continue or stop. + continue or stop. If entering a subdirectory fails, @ref + wxDirTraverser::OnOpenError() "sink.OnOpenError()" is called. The function returns the total number of files found or @c "(size_t)-1" on error. + See ::wxDirFlags for the full list of the possible flags. + @see GetAllFiles() */ size_t Traverse(wxDirTraverser& sink,