+ wxFS_READ = 1, // Open for reading
+ wxFS_SEEKABLE = 4 // Returned stream will be seekable
+};
+
+WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL(wxFileSystemHandler*, wxFSHandlerHash, class WXDLLIMPEXP_BASE);
+
+class WXDLLIMPEXP_BASE wxFileSystem : public wxObject
+{
+public:
+ wxFileSystem() : wxObject() { m_FindFileHandler = NULL;}
+ virtual ~wxFileSystem();
+
+ // sets the current location. Every call to OpenFile is
+ // relative to this location.
+ // NOTE !!
+ // unless is_dir = true 'location' is *not* the directory but
+ // file contained in this directory
+ // (so ChangePathTo("dir/subdir/xh.htm") sets m_Path to "dir/subdir/")
+ void ChangePathTo(const wxString& location, bool is_dir = false);
+
+ wxString GetPath() const {return m_Path;}
+
+ // opens given file and returns pointer to input stream.
+ // Returns NULL if opening failed.
+ // It first tries to open the file in relative scope
+ // (based on ChangePathTo()'s value) and then as an absolute
+ // path.
+ wxFSFile* OpenFile(const wxString& location, int flags = wxFS_READ);
+
+ // Finds first/next file that matches spec wildcard. flags can be wxDIR for restricting
+ // the query to directories or wxFILE for files only or 0 for either.
+ // Returns filename or empty string if no more matching file exists
+ wxString FindFirst(const wxString& spec, int flags = 0);
+ wxString FindNext();
+
+ // find a file in a list of directories, returns false if not found
+ bool FindFileInPath(wxString *pStr,
+ const wxString& path, const wxString& file);
+
+ // Adds FS handler.
+ // In fact, this class is only front-end to the FS handlers :-)
+ static void AddHandler(wxFileSystemHandler *handler);
+
+ // Removes FS handler
+ static wxFileSystemHandler* RemoveHandler(wxFileSystemHandler *handler);
+
+ // Returns true if there is a handler which can open the given location.
+ static bool HasHandlerForPath(const wxString& location);
+
+ // remove all items from the m_Handlers list
+ static void CleanUpHandlers();
+
+ // Returns the native path for a file URL
+ static wxFileName URLToFileName(const wxString& url);
+
+ // Returns the file URL for a native path
+ static wxString FileNameToURL(const wxFileName& filename);
+
+
+protected:
+ wxFileSystemHandler *MakeLocal(wxFileSystemHandler *h);
+
+ wxString m_Path;
+ // the path (location) we are currently in
+ // this is path, not file!
+ // (so if you opened test/demo.htm, it is
+ // "test/", not "test/demo.htm")
+ wxString m_LastName;
+ // name of last opened file (full path)
+ static wxList m_Handlers;
+ // list of FS handlers
+ wxFileSystemHandler *m_FindFileHandler;
+ // handler that succeed in FindFirst query
+ wxFSHandlerHash m_LocalHandlers;
+ // Handlers local to this instance
projects / wxWidgets.git / blobdiff