mirror of https://github.com/Icinga/icinga2.git
102 lines
3.2 KiB
C++
102 lines
3.2 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. *
|
|
******************************************************************************/
|
|
|
|
#include "i2-dyn.h"
|
|
|
|
using namespace icinga;
|
|
|
|
Expression::Expression(const string& key, ExpressionOperator op, const Variant& value, const DebugInfo& debuginfo)
|
|
: m_Key(key), m_Operator(op), m_Value(value), m_DebugInfo(debuginfo)
|
|
{
|
|
}
|
|
|
|
void Expression::Execute(const Dictionary::Ptr& dictionary) const
|
|
{
|
|
Variant oldValue, newValue;
|
|
|
|
ExpressionList::Ptr valueExprl;
|
|
Dictionary::Ptr valueDict;
|
|
if (m_Value.IsObjectType<ExpressionList>())
|
|
valueExprl = m_Value;
|
|
|
|
if (m_Value.IsObjectType<Dictionary>())
|
|
valueDict = m_Value;
|
|
|
|
newValue = m_Value;
|
|
|
|
Dictionary::Ptr dict;
|
|
|
|
switch (m_Operator) {
|
|
case OperatorExecute:
|
|
if (!valueExprl)
|
|
throw invalid_argument("Operand for OperatorExecute must be an ExpressionList.");
|
|
|
|
valueExprl->Execute(dictionary);
|
|
|
|
return;
|
|
|
|
case OperatorSet:
|
|
if (valueExprl) {
|
|
dict = boost::make_shared<Dictionary>();
|
|
valueExprl->Execute(dict);
|
|
newValue = dict;
|
|
}
|
|
|
|
break;
|
|
|
|
case OperatorPlus:
|
|
dictionary->Get(m_Key, &oldValue);
|
|
|
|
if (oldValue.IsObjectType<Dictionary>())
|
|
dict = oldValue;
|
|
|
|
if (!dict) {
|
|
if (!oldValue.IsEmpty()) {
|
|
stringstream message;
|
|
message << "Wrong argument types for += (non-dictionary and dictionary) (" << m_DebugInfo << ")";
|
|
throw domain_error(message.str());
|
|
}
|
|
|
|
dict = boost::make_shared<Dictionary>();
|
|
}
|
|
|
|
newValue = dict;
|
|
|
|
if (valueExprl) {
|
|
valueExprl->Execute(dict);
|
|
} else if (valueDict) {
|
|
Dictionary::Iterator it;
|
|
for (it = valueDict->Begin(); it != valueDict->End(); it++) {
|
|
dict->Set(it->first, it->second);
|
|
}
|
|
} else {
|
|
stringstream message;
|
|
message << "+= only works for dictionaries (" << m_DebugInfo << ")";
|
|
throw domain_error(message.str());
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
throw runtime_error("Not yet implemented.");
|
|
}
|
|
|
|
dictionary->Set(m_Key, newValue);
|
|
}
|