icinga2/components/livestatus/attributefilter.cpp

94 lines
3.7 KiB
C++

/******************************************************************************
* Icinga 2 *
* 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. *
******************************************************************************/
#include "livestatus/attributefilter.h"
#include "base/convert.h"
#include "base/array.h"
#include "base/objectlock.h"
#include <boost/foreach.hpp>
using namespace icinga;
using namespace livestatus;
AttributeFilter::AttributeFilter(const String& column, const String& op, const String& operand)
: m_Column(column), m_Operator(op), m_Operand(operand)
{ }
bool AttributeFilter::Apply(const Table::Ptr& table, const Value& row)
{
Column column = table->GetColumn(m_Column);
Value value = column.ExtractValue(row);
if (value.IsObjectType<Array>()) {
Array::Ptr array = value;
if (m_Operator == ">=") {
ObjectLock olock(array);
BOOST_FOREACH(const String& item, array) {
if (item == m_Operand)
return true; /* Item found in list. */
}
return false; /* Item not found in list. */
} else if (m_Operator == "=") {
return (array->GetLength() == 0);
} else {
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid operator for column '" + m_Column + "': " + m_Operator + " (expected '>=' or '=')."));
}
} else {
if (m_Operator == "=") {
if (value.GetType() == ValueNumber)
return (static_cast<double>(value) == Convert::ToDouble(m_Operand));
else
return (static_cast<String>(value) == m_Operand);
} else if (m_Operator == "~") {
} else if (m_Operator == "=~") {
return string_iless()(value, m_Operand);
} else if (m_Operator == "~~") {
} else if (m_Operator == "<") {
if (value.GetType() == ValueNumber)
return (static_cast<double>(value) < Convert::ToDouble(m_Operand));
else
return (static_cast<String>(value) < m_Operand);
} else if (m_Operator == ">") {
if (value.GetType() == ValueNumber)
return (static_cast<double>(value) > Convert::ToDouble(m_Operand));
else
return (static_cast<String>(value) > m_Operand);
} else if (m_Operator == "<=") {
if (value.GetType() == ValueNumber)
return (static_cast<double>(value) <= Convert::ToDouble(m_Operand));
else
return (static_cast<String>(value) <= m_Operand);
} else if (m_Operator == ">=") {
if (value.GetType() == ValueNumber)
return (static_cast<double>(value) >= Convert::ToDouble(m_Operand));
else
return (static_cast<String>(value) >= m_Operand);
} else {
BOOST_THROW_EXCEPTION(std::invalid_argument("Unknown operator for column '" + m_Column + "': " + m_Operator));
}
}
return false;
}