icinga2/lib/config/configitembuilder.cpp

145 lines
4.6 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. *
******************************************************************************/
#include "i2-config.h"
using namespace icinga;
ConfigItemBuilder::ConfigItemBuilder(void)
: m_Local(false), m_Abstract(false),
m_ExpressionList(boost::make_shared<ExpressionList>())
{
m_DebugInfo.FirstLine = 0;
m_DebugInfo.FirstColumn = 0;
m_DebugInfo.LastLine = 0;
m_DebugInfo.LastColumn = 0;
}
ConfigItemBuilder::ConfigItemBuilder(const DebugInfo& debugInfo)
: m_Local(false), m_Abstract(false),
m_ExpressionList(boost::make_shared<ExpressionList>())
{
m_DebugInfo = debugInfo;
}
void ConfigItemBuilder::SetType(const String& type)
{
m_Type = type;
}
void ConfigItemBuilder::SetName(const String& name)
{
m_Name = name;
}
void ConfigItemBuilder::SetUnit(const String& unit)
{
m_Unit = unit;
}
void ConfigItemBuilder::SetLocal(bool local)
{
m_Local = local;
}
void ConfigItemBuilder::SetAbstract(bool abstract)
{
m_Abstract = abstract;
}
void ConfigItemBuilder::AddParent(const String& parent)
{
m_Parents.push_back(parent);
}
void ConfigItemBuilder::AddExpression(const Expression& expr)
{
m_ExpressionList->AddExpression(expr);
}
void ConfigItemBuilder::AddExpression(const String& key, ExpressionOperator op,
const Value& value)
{
Expression expr(key, op, value, m_DebugInfo);
AddExpression(expr);
}
void ConfigItemBuilder::AddExpressionList(const ExpressionList::Ptr& exprl)
{
AddExpression("", OperatorExecute, exprl);
}
ConfigItem::Ptr ConfigItemBuilder::Compile(void)
{
if (m_Type.IsEmpty()) {
stringstream msgbuf;
msgbuf << "The type name of an object may not be empty: " << m_DebugInfo;
BOOST_THROW_EXCEPTION(invalid_argument(msgbuf.str()));
}
if (!DynamicType::GetByName(m_Type)) {
stringstream msgbuf;
msgbuf << "The type '" + m_Type + "' is unknown: " << m_DebugInfo;
BOOST_THROW_EXCEPTION(invalid_argument(msgbuf.str()));
}
if (m_Name.IsEmpty()) {
stringstream msgbuf;
msgbuf << "The name of an object may not be empty: " << m_DebugInfo;
BOOST_THROW_EXCEPTION(invalid_argument(msgbuf.str()));
}
BOOST_FOREACH(const String& parent, m_Parents) {
ConfigItem::Ptr item;
ConfigCompilerContext *context = ConfigCompilerContext::GetContext();
if (context)
item = context->GetItem(m_Type, parent);
/* ignore already active objects while we're in the compiler
* context and linking to existing items is disabled. */
if (!item && (!context || (context->GetFlags() & CompilerLinkExisting)))
item = ConfigItem::GetObject(m_Type, parent);
if (!item) {
stringstream msgbuf;
msgbuf << "The parent config item '" + parent + "' does not exist: " << m_DebugInfo;
BOOST_THROW_EXCEPTION(invalid_argument(msgbuf.str()));
}
}
ExpressionList::Ptr exprl = boost::make_shared<ExpressionList>();
Expression execExpr("", OperatorExecute, m_ExpressionList, m_DebugInfo);
exprl->AddExpression(execExpr);
Expression typeExpr("__type", OperatorSet, m_Type, m_DebugInfo);
exprl->AddExpression(typeExpr);
Expression nameExpr("__name", OperatorSet, m_Name, m_DebugInfo);
exprl->AddExpression(nameExpr);
Expression localExpr("__local", OperatorSet, m_Local, m_DebugInfo);
exprl->AddExpression(localExpr);
return boost::make_shared<ConfigItem>(m_Type, m_Name, m_Unit, m_Abstract, exprl, m_Parents,
m_DebugInfo);
}