icinga2/lib/base/scriptlanguage.h

74 lines
2.6 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef SCRIPTLANGUAGE_H
#define SCRIPTLANGUAGE_H
namespace icinga
{
/**
* A scripting language.
*
* @ingroup base
*/
class I2_BASE_API ScriptLanguage : public Object
{
public:
typedef shared_ptr<ScriptLanguage> Ptr;
typedef weak_ptr<ScriptLanguage> WeakPtr;
static void Register(const String& name, const ScriptLanguage::Ptr& language);
static void Unregister(const String& name);
static ScriptLanguage::Ptr GetByName(const String& name);
virtual ScriptInterpreter::Ptr CreateInterpreter(const Script::Ptr& script) = 0;
void SubscribeFunction(const String& name);
void UnsubscribeFunction(const String& name);
protected:
ScriptLanguage(void);
private:
static map<String, ScriptLanguage::Ptr>& GetLanguages(void);
};
/**
* Helper class for registering ScriptLanguage implementation classes.
*
* @ingroup base
*/
class RegisterLanguageHelper
{
public:
RegisterLanguageHelper(const String& name, const ScriptLanguage::Ptr& language)
{
if (!ScriptLanguage::GetByName(name))
ScriptLanguage::Register(name, language);
}
};
#define REGISTER_SCRIPTLANGUAGE(name, klass) \
static RegisterLanguageHelper g_RegisterSL_ ## type(name, boost::make_shared<klass>())
}
#endif /* SCRIPTLANGUAGE_H */