icinga2/lib/base/array.hpp

134 lines
3.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* 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. *
******************************************************************************/
#ifndef ARRAY_H
#define ARRAY_H
#include "base/i2-base.hpp"
#include "base/objectlock.hpp"
#include "base/value.hpp"
#include <boost/range/iterator.hpp>
#include <vector>
#include <set>
namespace icinga
{
typedef std::vector<Value> ArrayData;
/**
* An array of Value items.
*
* @ingroup base
*/
class Array final : public Object
{
public:
DECLARE_OBJECT(Array);
/**
* An iterator that can be used to iterate over array elements.
*/
typedef std::vector<Value>::iterator Iterator;
typedef std::vector<Value>::size_type SizeType;
Array() = default;
Array(const ArrayData& other);
Array(ArrayData&& other);
Array(std::initializer_list<Value> init);
Value Get(SizeType index) const;
void Set(SizeType index, const Value& value);
void Set(SizeType index, Value&& value);
void Add(Value value);
Iterator Begin();
Iterator End();
size_t GetLength() const;
bool Contains(const Value& value) const;
void Insert(SizeType index, Value value);
void Remove(SizeType index);
void Remove(Iterator it);
void Resize(SizeType newSize);
void Clear();
void Reserve(SizeType newSize);
void CopyTo(const Array::Ptr& dest) const;
Array::Ptr ShallowClone() const;
static Object::Ptr GetPrototype();
template<typename T>
static Array::Ptr FromVector(const std::vector<T>& v)
{
Array::Ptr result = new Array();
ObjectLock olock(result);
std::copy(v.begin(), v.end(), std::back_inserter(result->m_Data));
return result;
}
template<typename T>
std::set<T> ToSet()
{
ObjectLock olock(this);
return std::set<T>(Begin(), End());
}
template<typename T>
static Array::Ptr FromSet(const std::set<T>& v)
{
Array::Ptr result = new Array();
ObjectLock olock(result);
std::copy(v.begin(), v.end(), std::back_inserter(result->m_Data));
return result;
}
Object::Ptr Clone() const override;
Array::Ptr Reverse() const;
void Sort();
String ToString() const override;
Array::Ptr Unique() const;
void Freeze();
Value GetFieldByName(const String& field, bool sandboxed, const DebugInfo& debugInfo) const override;
void SetFieldByName(const String& field, const Value& value, const DebugInfo& debugInfo) override;
private:
std::vector<Value> m_Data; /**< The data for the array. */
bool m_Frozen{false};
};
Array::Iterator begin(const Array::Ptr& x);
Array::Iterator end(const Array::Ptr& x);
}
extern template class std::vector<icinga::Value>;
#endif /* ARRAY_H */