// LogicCommands.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. #ifndef FBTK_LOGICCOMMANDS_HH #define FBTK_LOGICCOMMANDS_HH #include "Command.hh" #include "RefCount.hh" #include <string> #include <vector> namespace FbTk { /// executes a Command<bool> and uses the result to decide what to do class IfCommand: public Command<void> { public: IfCommand(RefCount<Command<bool> > &cond, RefCount<Command<void> > &t, RefCount<Command<void> > &f): m_cond(cond), m_t(t), m_f(f) { } void execute() { if (m_cond->execute()) { if (*m_t) m_t->execute(); } else if (*m_f) m_f->execute(); } static Command<void> *parse(const std::string &cmd, const std::string &args, bool trusted); private: RefCount<Command<bool> > m_cond; RefCount<Command<void> > m_t, m_f; }; /// executes a list of Command<bool>s until one is true class OrCommand: public Command<bool> { public: void add(RefCount<Command<bool> > &com); size_t size() const; bool execute(); private: std::vector<RefCount<Command<bool> > > m_commandlist; }; /// executes a list of Command<bool>s until one is false class AndCommand: public Command<bool> { public: void add(RefCount<Command<bool> > &com); size_t size() const; bool execute(); private: std::vector<RefCount<Command<bool> > > m_commandlist; }; /// executes a list of Command<bool>s, returning the parity class XorCommand: public Command<bool> { public: void add(RefCount<Command<bool> > &com); size_t size() const; bool execute(); private: std::vector<RefCount<Command<bool> > > m_commandlist; }; /// executes a Command<bool> and returns the negation class NotCommand: public Command<bool> { public: NotCommand(RefCount<Command<bool> > &com): m_command(com) { } bool execute() { return !m_command->execute(); } private: RefCount<Command<bool> > m_command; }; } // end namespace FbTk #endif // FBTK_LOGICCOMMANDS_HH