X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/882678ebb43804d34d20ba8781647fe136ae67d9..15fa4de377053c3c38f62593b2df941c217ea34b:/interface/wx/filename.h?ds=sidebyside diff --git a/interface/wx/filename.h b/interface/wx/filename.h index 97fd9b6822..07c94f0997 100644 --- a/interface/wx/filename.h +++ b/interface/wx/filename.h @@ -3,7 +3,7 @@ // Purpose: interface of wxFileName // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -28,6 +28,25 @@ enum wxPathFormat wxPATH_MAX //!< Not a valid value for specifying path format }; +/** + Different conventions for human readable sizes. + + @see wxFileName::GetHumanReadableSize(). + + @since 2.9.1 +*/ +enum wxSizeConvention +{ + /// 1024 bytes = 1KB. + wxSIZE_CONV_TRADITIONAL, + + /// 1024 bytes = 1KiB. + wxSIZE_CONV_IEC, + + /// 1000 bytes = 1KB. + wxSIZE_CONV_SI +}; + /** The kind of normalization to do with the file name: these values can be @@ -42,7 +61,7 @@ enum wxPathNormalize //! and in addition under Windows @c "%var%" is also. wxPATH_NORM_ENV_VARS = 0x0001, - wxPATH_NORM_DOTS = 0x0002, //!< Squeeze all @c ".." and @c "." and prepend the current working directory. + wxPATH_NORM_DOTS = 0x0002, //!< Squeeze all @c ".." and @c ".". wxPATH_NORM_TILDE = 0x0004, //!< Replace @c "~" and @c "~user" (Unix only). wxPATH_NORM_CASE = 0x0008, //!< If the platform is case insensitive, make lowercase the path. wxPATH_NORM_ABSOLUTE = 0x0010, //!< Make the path absolute. @@ -53,6 +72,24 @@ enum wxPathNormalize wxPATH_NORM_ALL = 0x00ff & ~wxPATH_NORM_CASE }; +/** + Flags for wxFileName::Rmdir(). + */ +enum +{ + /// Delete the specified directory and its subdirectories if they are empty. + wxPATH_RMDIR_FULL = 1, + + /** + Delete the specified directory and all the files and subdirectories in it + recursively. + + This flag is obviously @b dangerous and should be used with care and + after asking the user for confirmation. + */ + wxPATH_RMDIR_RECURSIVE = 2 +}; + /** The return value of wxFileName::GetSize() in case of error. */ @@ -92,7 +129,7 @@ wxULongLong wxInvalidSize; wxFileName::IsDirReadable() use wxFileName::GetPath() whereas methods dealing with file names like wxFileName::IsFileReadable() use wxFileName::GetFullPath(). - If it is not known wether a string contains a directory name or a complete + If it is not known whether a string contains a directory name or a complete file name (such as when interpreting user input) you need to use the static function wxFileName::DirExists() (or its identical variants wxDir::Exists() and wxDirExists()) and construct the wxFileName instance accordingly. @@ -295,7 +332,7 @@ public: wxPathFormat format = wxPATH_NATIVE); /** - Creates the file name from volumne, path, name and extension. + Creates the file name from volume, path, name and extension. */ void Assign(const wxString& volume, const wxString& path, const wxString& name, @@ -304,7 +341,7 @@ public: wxPathFormat format = wxPATH_NATIVE); /** - Creates the file name from volumne, path, name and extension. + Creates the file name from volume, path, name and extension. */ void Assign(const wxString& volume, const wxString& path, const wxString& name, @@ -419,7 +456,7 @@ public: bool DirExists() const; /** - Returns @true if the directory with this name exists. + Returns @true if the directory with name @a dir exists. */ static bool DirExists(const wxString& dir); @@ -438,7 +475,7 @@ public: bool FileExists() const; /** - Returns @true if the file with this name exists. + Returns @true if the file with name @a file exists. @see DirExists() */ @@ -504,30 +541,41 @@ public: */ static wxString GetHomeDir(); + //@{ /** - Returns the size of the file in a human-readable form. - - If the size could not be retrieved the @c failmsg string - is returned. In case of success, the returned string is - a floating-point number with @c precision decimal digits - followed by the size unit (B, kB, MB, GB, TB: respectively - bytes, kilobytes, megabytes, gigabytes, terabytes). - */ - wxString GetHumanReadableSize(const wxString& failmsg = "Not available", - int precision = 1) const; - - /** - Returns the size of the given number of bytes in a human-readable form. - - If @a bytes is ::wxInvalidSize or zero, then @a nullsize is returned. - - In case of success, the returned string is a floating-point number with - @a precision decimal digits followed by the size unit (B, kB, MB, GB, - TB: respectively bytes, kilobytes, megabytes, gigabytes, terabytes). - */ - static wxString GetHumanReadableSize(const wxULongLong& bytes, - const wxString& nullsize = "Not available", - int precision = 1); + Returns the representation of the file size in a human-readable form. + + In the first version, the size of this file is used. In the second one, + the specified size @a bytes is used. + + If the file size could not be retrieved or @a bytes is ::wxInvalidSize + or zero, the @c failmsg string is returned. + + Otherwise the returned string is a floating-point number with @c + precision decimal digits followed by the abbreviation of the unit used. + By default the traditional, although incorrect, convention of using SI + units for multiples of 1024 is used, i.e. returned string will use + suffixes of B, KB, MB, GB, TB for bytes, kilobytes, megabytes, + gigabytes and terabytes respectively. With the IEC convention the names + of the units are changed to B, KiB, MiB, GiB and TiB for bytes, + kibibytes, mebibytes, gibibytes and tebibytes. Finally, with SI + convention the same B, KB, MB, GB and TB suffixes are used but in their + correct SI meaning, i.e. as multiples of 1000 and not 1024. + + Support for the different size conventions is new in wxWidgets 2.9.1, + in previous versions only the traditional convention was implemented. + */ + wxString + GetHumanReadableSize(const wxString& failmsg = _("Not available"), + int precision = 1, + wxSizeConvention conv = wxSIZE_CONV_TRADITIONAL) const; + + static wxString + GetHumanReadableSize(const wxULongLong& bytes, + const wxString& nullsize = _("Not available"), + int precision = 1, + wxSizeConvention conv = wxSIZE_CONV_TRADITIONAL); + //@} /** Return the long form of the path (returns identity on non-Windows platforms). @@ -801,6 +849,24 @@ public: static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE); + /** + Returns @true if the volume part of the path is a unique volume name. + + This function will always return @false if the path format is not + wxPATH_DOS. + + Unique volume names are Windows volume identifiers which remain the same + regardless of where the volume is actually mounted. Example of a path + using a volume name could be + @code + \\?\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}\Program Files\setup.exe + @endcode + + @since 2.9.1 + */ + static bool IsMSWUniqueVolumeNamePath(const wxString& path, + wxPathFormat format = wxPATH_NATIVE); + /** Returns @true if this filename is not absolute. */ @@ -874,7 +940,7 @@ public: @return Returns @true if the directory was successfully created, @false otherwise. */ - bool Mkdir(int perm = wxS_DIR_DEFAULT, int flags = 0); + bool Mkdir(int perm = wxS_DIR_DEFAULT, int flags = 0) const; /** Creates a directory. @@ -896,9 +962,16 @@ public: int flags = 0); /** - Normalize the path. With the default flags value, the path will be - made absolute, without any ".." and "." and all environment - variables will be expanded in it. + Normalize the path. + + With the default flags value, the path will be made absolute, without + any ".." and "." and all environment variables will be expanded in it. + + Notice that in some rare cases normalizing a valid path may result in + an invalid wxFileName object. E.g. normalizing "./" path using + wxPATH_NORM_DOTS but not wxPATH_NORM_ABSOLUTE will result in a + completely empty and thus invalid object. As long as there is a non + empty file name the result of normalization will be valid however. @param flags The kind of normalization to do with the file name. It can be @@ -982,13 +1055,31 @@ public: /** Deletes the specified directory from the file system. + + @param flags + Can contain one of wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE. By + default contains neither so the directory will not be removed + unless it is empty. + + @return Returns @true if the directory was successfully deleted, @false + otherwise. */ - bool Rmdir(); + bool Rmdir(int flags = 0) const; /** Deletes the specified directory from the file system. + + @param dir + The directory to delete + @param flags + Can contain one of wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE. By + default contains neither so the directory will not be removed + unless it is empty. + + @return Returns @true if the directory was successfully deleted, @false + otherwise. */ - static bool Rmdir(const wxString& dir); + static bool Rmdir(const wxString& dir, int flags = 0); /** Compares the filename using the rules of this platform. @@ -999,7 +1090,7 @@ public: /** Changes the current working directory. */ - bool SetCwd(); + bool SetCwd() const; /** Changes the current working directory. @@ -1038,13 +1129,23 @@ public: */ void SetName(const wxString& name); + /** + Sets the full path. + + The @a path argument includes both the path (and the volume, if + supported by @a format) and the name and extension. + + @see GetPath() + */ + void SetPath(const wxString& path, wxPathFormat format = wxPATH_NATIVE); + /** Sets the file creation and last access/modification times (any of the pointers may be @NULL). */ bool SetTimes(const wxDateTime* dtAccess, const wxDateTime* dtMod, - const wxDateTime* dtCreate); + const wxDateTime* dtCreate) const; /** Sets the volume specifier. @@ -1101,10 +1202,32 @@ public: wxString* path, wxPathFormat format = wxPATH_NATIVE); + + /** + Strip the file extension. + + This function does more than just removing everything after the last + period from the string, for example it will return the string ".vimrc" + unchanged because the part after the period is not an extension but the + file name in this case. You can use wxString::BeforeLast() to really + get just the part before the last period (but notice that that function + returns empty string if period is not present at all unlike this + function which returns the @a fullname unchanged in this case). + + @param fullname + File path including name and, optionally, extension. + + @return + File path without extension + + @since 2.9.0 + */ + static wxString StripExtension(const wxString& fullname); + /** Sets the access and modification times to the current moment. */ - bool Touch(); + bool Touch() const; /** Returns @true if the filenames are different. The string @e filenames @@ -1140,4 +1263,3 @@ public: */ wxFileName& operator=(const wxString& filename); }; -