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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
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