.:F L U X B O X:. - Developer Zone

00001 // CommandParser.hh for Fluxbox - an X11 Window manager
00002 // Copyright (c) 2003 Henrik Kinnunen (fluxgen{<a*t>}users.sourceforge.net)
00003 //                and Simon Bowden (rathnor at users.sourceforge.net)
00004 //
00005 // Permission is hereby granted, free of charge, to any person obtaining a
00006 // copy of this software and associated documentation files (the "Software"),
00007 // to deal in the Software without restriction, including without limitation
00008 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00009 // and/or sell copies of the Software, and to permit persons to whom the
00010 // Software is furnished to do so, subject to the following conditions:
00011 //
00012 // The above copyright notice and this permission notice shall be included in
00013 // all copies or substantial portions of the Software.
00014 //
00015 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
00018 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00020 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00021 // DEALINGS IN THE SOFTWARE.
00022 
00023 // $Id: CommandParser.hh,v 1.3 2004/01/02 13:43:58 fluxgen Exp $
00024 
00025 #ifndef COMMANDPARSER_HH
00026 #define COMMANDPARSER_HH
00027 
00028 #include <string>
00029 #include <map>
00030 
00031 #include "RefCount.hh"
00032 
00033 namespace FbTk {
00034 class Command;
00035 };
00036 
00039 class CommandFactory {
00040 public:
00041     CommandFactory();
00042     virtual ~CommandFactory();
00043     virtual FbTk::Command *stringToCommand(const std::string &command, 
00044                                            const std::string &arguments) = 0;
00045 protected:
00046     void addCommand(const std::string &value);
00047 };
00048 
00050 class CommandParser {
00051 public:
00052     typedef std::map<std::string, CommandFactory *> CommandFactoryMap;
00053 
00055     FbTk::Command *parseLine(const std::string &line);
00056 
00058     static CommandParser &instance();
00060     const CommandFactoryMap &factorys() const { return m_commandfactorys; }
00061 private:
00062     // so CommandFactory can associate it's commands
00063     friend class CommandFactory;
00065     void associateCommand(const std::string &name, CommandFactory &factory);
00067     void removeAssociation(CommandFactory &factory);
00068 
00070     FbTk::Command *toCommand(const std::string &command,
00071                              const std::string &arguments);
00072     
00073     CommandFactoryMap m_commandfactorys; 
00074     
00075 };
00076 
00077 #endif // COMMANDPARSER_HH
CommandParser.hh

Fluxbox CVS-Jan-2003
