// CommandParser.hh for Fluxbox - an X11 Window manager // Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org) // and Simon Bowden (rathnor at users.sourceforge.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id$ #ifndef COMMANDPARSER_HH #define COMMANDPARSER_HH #include <string> #include <map> #include "RefCount.hh" namespace FbTk { class Command; }; /// Creates commands from command and argument. /// Used for modules to add new commands in compile/run time class CommandFactory { public: CommandFactory(); virtual ~CommandFactory(); virtual FbTk::Command *stringToCommand(const std::string &command, const std::string &arguments) = 0; protected: void addCommand(const std::string &value); }; /// Parses text into a command class CommandParser { public: typedef std::map<std::string, CommandFactory *> CommandFactoryMap; /// @return parses and returns a command matching the line FbTk::Command *parseLine(const std::string &line); CommandParser(); /// @return instance of command parser static CommandParser &instance(); /// @return map of factorys const CommandFactoryMap &factorys() const { return m_commandfactorys; } private: // so CommandFactory can associate it's commands friend class CommandFactory; /// associate a command with a factory void associateCommand(const std::string &name, CommandFactory &factory); /// remove all associations with the factory void removeAssociation(CommandFactory &factory); /// search for a command in our command factory map FbTk::Command *toCommand(const std::string &command, const std::string &arguments); CommandFactoryMap m_commandfactorys; ///< a string to factory map static CommandParser *s_singleton; }; #endif // COMMANDPARSER_HH