icinga2/lib/config/expression.h

83 lines
2.6 KiB
C
Raw Normal View History

/******************************************************************************
* Icinga 2 *
2013-09-25 07:43:57 +02:00
* Copyright (C) 2012-2013 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 EXPRESSION_H
#define EXPRESSION_H
2013-03-17 20:19:29 +01:00
#include "config/i2-config.h"
#include "config/debuginfo.h"
2013-03-16 21:18:53 +01:00
#include "base/dictionary.h"
2013-03-17 20:19:29 +01:00
#include <iostream>
2013-03-19 07:12:16 +01:00
#include <vector>
#include <set>
2013-03-16 21:18:53 +01:00
namespace icinga
{
2012-09-17 14:47:43 +02:00
/**
* The operator in a configuration expression.
*
* @ingroup config
*/
enum ExpressionOperator
{
2013-09-24 13:13:14 +02:00
OperatorNop,
2012-07-06 14:33:10 +02:00
OperatorExecute,
OperatorSet,
OperatorPlus,
OperatorMinus,
OperatorMultiply,
OperatorDivide
};
class ExpressionList;
2012-09-17 14:47:43 +02:00
/**
* A configuration expression.
*
* @ingroup config
*/
struct I2_CONFIG_API Expression
{
public:
2012-09-19 12:32:39 +02:00
Expression(const String& key, ExpressionOperator op, const Value& value,
const DebugInfo& debuginfo);
void Execute(const Dictionary::Ptr& dictionary) const;
void ExtractPath(const std::vector<String>& path, const shared_ptr<ExpressionList>& result) const;
void ExtractFiltered(const std::set<String>& keys, const shared_ptr<ExpressionList>& result) const;
2013-09-24 13:13:14 +02:00
void ErasePath(const std::vector<String>& path);
void FindDebugInfoPath(const std::vector<String>& path, DebugInfo& result) const;
private:
String m_Key;
ExpressionOperator m_Operator;
Value m_Value;
DebugInfo m_DebugInfo;
static Value DeepClone(const Value& value);
};
}
#endif /* EXPRESSION_H */