75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
// CommandParser.hh for Fluxbox - an X11 Window manager
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// Copyright (c) 2003 Henrik Kinnunen (fluxgen{<a*t>}users.sourceforge.net)
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// and Simon Bowden (rathnor at users.sourceforge.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: CommandParser.hh,v 1.2 2003/07/01 09:01:20 fluxgen Exp $
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#ifndef COMMANDPARSER_HH
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#define COMMANDPARSER_HH
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#include <string>
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#include <map>
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#include "RefCount.hh"
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namespace FbTk {
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class Command;
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};
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/// Creates commands from command and argument.
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/// Used for modules to add new commands in compile/run time
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class CommandFactory {
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public:
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CommandFactory();
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virtual ~CommandFactory();
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virtual FbTk::Command *stringToCommand(const std::string &command,
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const std::string &arguments) = 0;
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protected:
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void addCommand(const std::string &value);
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};
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/// Parses text into a command
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class CommandParser {
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public:
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typedef std::map<std::string, CommandFactory *> CommandFactoryMap;
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/// @return parses and returns a command matching the line
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FbTk::Command *parseLine(const std::string &line);
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/// @return instance of command parser
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static CommandParser &instance();
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private:
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// so CommandFactory can associate it's commands
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friend class CommandFactory;
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/// associate a command with a factory
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void associateCommand(const std::string &name, CommandFactory &factory);
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/// remove all associations with the factory
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void removeAssociation(CommandFactory &factory);
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/// search for a command in our command factory map
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FbTk::Command *toCommand(const std::string &command,
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const std::string &arguments);
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CommandFactoryMap m_commandfactorys; ///< a string to factory map
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};
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#endif // COMMANDPARSER_HH
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