icinga2/base/dictionary.cpp

134 lines
3.4 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-base.h"
using namespace icinga;
/**
* Retrieves a value from the dictionary.
*
* @param key The key.
* @param value Pointer to the value.
* @returns true if the value was retrieved, false otherwise.
*/
bool Dictionary::GetProperty(string key, Variant *value) const
{
ConstDictionaryIterator i = m_Data.find(key);
if (i == m_Data.end())
return false;
*value = i->second;
return true;
}
/**
* Sets a value in the dictionary.
*
* @param key The key.
* @param value The value.
*/
void Dictionary::SetProperty(string key, const Variant& value)
{
DictionaryIterator i = m_Data.find(key);
Variant oldValue;
if (i != m_Data.end()) {
oldValue = i->second;
m_Data.erase(i);
}
m_Data[key] = value;
}
/**
* Retrieves a value from the dictionary.
*
* @param key The key.
* @param value Pointer to the value.
* @returns true if the value was retrieved, false otherwise.
*/
bool Dictionary::GetProperty(string key, Dictionary::Ptr *value) const
{
Object::Ptr object;
if (!GetProperty(key, &object))
return false;
Dictionary::Ptr dictionary = dynamic_pointer_cast<Dictionary>(object);
if (!dictionary)
throw InvalidArgumentException();
*value = dictionary;
return true;
}
/**
* Returns an iterator to the beginning of the dictionary.
*
* @returns An iterator.
*/
DictionaryIterator Dictionary::Begin(void)
{
return m_Data.begin();
}
/**
* Returns an iterator to the end of the dictionary.
*
* @returns An iterator.
*/
DictionaryIterator Dictionary::End(void)
{
return m_Data.end();
}
/**
* Returns the number of elements in the dictionary.
*
* @returns Number of elements.
*/
long Dictionary::GetLength(void) const
{
return m_Data.size();
}
/**
* Adds an unnamed value to the dictionary.
*
* @param value The value.
*/
void Dictionary::AddUnnamedProperty(const Variant& value)
{
map<string, Variant>::const_iterator it;
string key;
long index = GetLength();
do {
stringstream s;
s << "_" << index;
index++;
key = s.str();
it = m_Data.find(key);
} while (it != m_Data.end());
m_Data[key] = value;
}