Avoid needless second string conversion when adding files to memory FS.

[wxWidgets.git] / interface / wx / filesys.h

diff --git a/interface/wx/filesys.h b/interface/wx/filesys.h
index 80accecb768140f5e821ca251e22f7f466f48385..01e5fd12feac367e7ec9280a15c7aa9d7a56bd7d 100644 (file)
--- a/interface/wx/filesys.h
+++ b/interface/wx/filesys.h
@@ -3,7 +3,7 @@
 // Purpose:     interface of wxFileSystem, wxFileSystemHandler, wxFSFile
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -36,6 +36,11 @@ class wxFileSystem : public wxObject
 public:
     /**
         Constructor.
+
+        The initial current path of this object will be empty
+        (i.e. GetPath() == wxEmptyString) which means that e.g. OpenFile()
+        or FindFirst() functions will use current working directory as
+        current path (see also wxGetCwd).
     */
     wxFileSystem();
 
@@ -54,7 +59,7 @@ public:
               handlers are deleted in wxFileSystem's destructor so that you
               don't have to care about it.
     */
-    static void AddHandler(wxFileSystemHandler handler);
+    static void AddHandler(wxFileSystemHandler* handler);
 
     /**
         Sets the current location. @a location parameter passed to OpenFile() is
@@ -155,6 +160,11 @@ public:
         Passing @e "wxFS_READ | wxFS_SEEKABLE" for @a flags will back
         a stream that is not natively seekable with memory or a file
         and return a stream that is always seekable.
+
+        @note
+        The @a location argument is, despite this method's name @em not
+        a filename. It is a "location", aka wxFileSystem URL (see
+        @ref overview_fs).
     */
     wxFSFile* OpenFile(const wxString& location,
                        int flags = wxFS_READ);
@@ -172,7 +182,7 @@ public:
     @class wxFSFile
 
     This class represents a single file opened by wxFileSystem.
-    It provides more information than wxWindow's input stream
+    It provides more informations than wxWidgets' input streams
     (stream, filename, mime type, anchor).
 
     @note Any pointer returned by a method of wxFSFile is valid only as long as
@@ -182,7 +192,7 @@ public:
           ten identical pointers.
 
     @library{wxbase}
-    @category{vfs}
+    @category{vfs,file}
 
     @see wxFileSystemHandler, wxFileSystem, @ref overview_fs
 */
@@ -326,7 +336,7 @@ public:
 
     @beginWxPerlOnly
     In wxPerl, you need to derive your file system handler class
-    from Wx::PlFileSystemHandler.
+    from @c Wx::PlFileSystemHandler.
     @endWxPerlOnly
 
     @library{wxbase}
@@ -378,6 +388,32 @@ public:
     */
     virtual wxString FindNext();
 
+    /**
+        Returns the MIME type based on @b extension of @a location.
+        (While wxFSFile::GetMimeType() returns real MIME type - either
+         extension-based or queried from HTTP.)
+
+        Example:
+        @code
+        GetMimeTypeFromExt("index.htm") == "text/html"
+        @endcode
+    */
+    static wxString GetMimeTypeFromExt(const wxString& location);
+
+    /**
+        Opens the file and returns wxFSFile pointer or @NULL if failed.
+        Must be overridden in derived handlers.
+
+        @param fs
+            Parent FS (the FS from that OpenFile was called).
+            See the ZIP handler for details of how to use it.
+        @param location
+            The absolute location of file.
+    */
+    virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location) = 0;
+
+protected:
+
     /**
         Returns the anchor if present in the location.
         See wxFSFile::GetAnchor for details.
@@ -401,18 +437,6 @@ public:
     */
     static wxString GetLeftLocation(const wxString& location);
 
-    /**
-        Returns the MIME type based on @b extension of @a location.
-        (While wxFSFile::GetMimeType() returns real MIME type - either
-         extension-based or queried from HTTP.)
-
-        Example:
-        @code
-        GetMimeTypeFromExt("index.htm") == "text/html"
-        @endcode
-    */
-    static wxString GetMimeTypeFromExt(const wxString& location);
-
     /**
         Returns the protocol string extracted from @a location.
 
@@ -432,17 +456,5 @@ public:
         @endcode
     */
     static wxString GetRightLocation(const wxString& location);
-
-    /**
-        Opens the file and returns wxFSFile pointer or @NULL if failed.
-        Must be overridden in derived handlers.
-
-        @param fs
-            Parent FS (the FS from that OpenFile was called).
-            See the ZIP handler for details of how to use it.
-        @param location
-            The absolute location of file.
-    */
-    virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location) = 0;
 };