mirror of https://github.com/Icinga/icinga2.git
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef EXPRESSION_H
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#define EXPRESSION_H
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#include "config/i2-config.h"
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#include "config/debuginfo.h"
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#include "base/dictionary.h"
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#include <iostream>
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#include <vector>
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#include <set>
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namespace icinga
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{
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/**
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* The operator in a configuration expression.
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*
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* @ingroup config
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*/
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enum ExpressionOperator
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{
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OperatorExecute,
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OperatorSet,
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OperatorPlus,
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OperatorMinus,
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OperatorMultiply,
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OperatorDivide
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};
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class ExpressionList;
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/**
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* A configuration expression.
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*
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* @ingroup config
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*/
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struct I2_CONFIG_API Expression
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{
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public:
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Expression(const String& key, ExpressionOperator op, const Value& value,
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const DebugInfo& debuginfo);
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void Execute(const Dictionary::Ptr& dictionary) const;
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void Dump(std::ostream& fp, int indent = 0) const;
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void ExtractPath(const std::vector<String>& path, const shared_ptr<ExpressionList>& result) const;
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void ExtractFiltered(const std::set<String, string_iless>& keys, const shared_ptr<ExpressionList>& result) const;
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private:
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String m_Key;
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ExpressionOperator m_Operator;
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Value m_Value;
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DebugInfo m_DebugInfo;
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static void DumpValue(std::ostream& fp, int indent, const Value& value, bool inlineDict = false);
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};
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}
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#endif /* EXPRESSION_H */
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