src/FbTk/CommandRegistry.hh (raw)
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// CommandRegistry.hh for FbTk // Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org) // // 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 COMMANDREGISTRY_HH #define COMMANDREGISTRY_HH #include <string> #include <map> using std::string; namespace FbTk { class Command; class BoolCommand; #define REGISTER_COMMAND_PARSER(name, parser) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerCommand(#name, parser); \ } #define REGISTER_BOOLCOMMAND_PARSER(name, parser) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerBoolCommand(#name, parser); \ } /* Include some basic command creators */ template <typename Cmd, typename Ret> Ret *CommandCreator(const string &name, const string &args, bool trusted) { return new Cmd(); } #define REGISTER_COMMAND(name, classname) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerCommand(#name, FbTk::CommandCreator<classname, FbTk::Command>); \ } template <typename Cmd, typename Ret> Ret *CommandCreatorWithArgs(const string &name, const string &args, bool trusted) { return new Cmd(args); } #define REGISTER_COMMAND_WITH_ARGS(name, classname) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerCommand(#name, FbTk::CommandCreatorWithArgs<classname, FbTk::Command>); \ } #define REGISTER_BOOLCOMMAND_WITH_ARGS(name, classname) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerBoolCommand(#name, FbTk::CommandCreatorWithArgs<classname, FbTk::BoolCommand>); \ } template <typename Cmd, typename Ret> Ret *UntrustedCommandCreator(const string &name, const string &args, bool trusted) { if (!trusted) return 0; return new Cmd(); } #define REGISTER_UNTRUSTED_COMMAND(name, classname) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerCommand(#name, FbTk::UntrustedCommandCreator<classname, FbTk::Command>); \ } template <typename Cmd, typename Ret> Ret * UntrustedCommandCreatorWithArgs(const string &name, const string &args, bool trusted) { if (!trusted) return 0; return new Cmd(args); } #define REGISTER_UNTRUSTED_COMMAND_WITH_ARGS(name, classname) \ namespace { \ static const bool p_register_##name = FbTk::CommandRegistry::instance().registerCommand(#name, FbTk::UntrustedCommandCreatorWithArgs<classname, FbTk::Command>); \ } /* Not built to be virtual at the moment */ class CommandRegistry { public: typedef Command * CreateFunction(const string &name, const string &args, bool trusted); typedef BoolCommand * BoolCreateFunction(const string &name, const string &args, bool trusted); typedef std::map<string, CreateFunction *> CreatorMap; typedef std::map<string, BoolCreateFunction *> BoolCreatorMap; static CommandRegistry &instance(); Command *parseLine(const string &line, bool trusted = true) const; BoolCommand *parseBoolLine(const string &line, bool trusted = true) const; Command *getCommand(const string &name, const string &args, bool trusted) const; BoolCommand *getBoolCommand(const string &name, const string &args, bool trusted) const; /* Note: the ownership of this object passes to this class */ bool registerCommand(string name, CreateFunction createFunction); bool registerBoolCommand(string name, BoolCreateFunction bcf); const CreatorMap commandMap() const { return m_commandCreators; } private: CommandRegistry() {} ~CommandRegistry() {} CreatorMap m_commandCreators; BoolCreatorMap m_boolcommandCreators; }; }; // end namespace FbTk #endif // COMMANDREGISTRY_HH |