icinga2/lib/base/dictionary.hpp

91 lines
2.1 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef DICTIONARY_H
#define DICTIONARY_H
#include "base/i2-base.hpp"
#include "base/object.hpp"
#include "base/value.hpp"
#include <boost/range/iterator.hpp>
#include <map>
#include <shared_mutex>
#include <vector>
namespace icinga
{
typedef std::vector<std::pair<String, Value> > DictionaryData;
/**
* A container that holds key-value pairs.
*
* @ingroup base
*/
class Dictionary final : public Object
{
public:
DECLARE_OBJECT(Dictionary);
/**
* An iterator that can be used to iterate over dictionary elements.
*/
typedef std::map<String, Value>::iterator Iterator;
typedef std::map<String, Value>::size_type SizeType;
typedef std::map<String, Value>::value_type Pair;
Dictionary() = default;
Dictionary(const DictionaryData& other);
Dictionary(DictionaryData&& other);
Dictionary(std::initializer_list<Pair> init);
Value Get(const String& key) const;
bool Get(const String& key, Value *result) const;
void Set(const String& key, Value value, bool overrideFrozen = false);
bool Contains(const String& key) const;
Iterator Begin();
Iterator End();
size_t GetLength() const;
void Remove(const String& key);
void Remove(Iterator it);
void Clear();
void CopyTo(const Dictionary::Ptr& dest) const;
Dictionary::Ptr ShallowClone() const;
std::vector<String> GetKeys() const;
static Object::Ptr GetPrototype();
Object::Ptr Clone() const override;
String ToString() const override;
void Freeze();
Value GetFieldByName(const String& field, bool sandboxed, const DebugInfo& debugInfo) const override;
void SetFieldByName(const String& field, const Value& value, bool overrideFrozen, const DebugInfo& debugInfo) override;
bool HasOwnField(const String& field) const override;
bool GetOwnField(const String& field, Value *result) const override;
private:
std::map<String, Value> m_Data; /**< The data for the dictionary. */
mutable std::shared_timed_mutex m_DataMutex;
bool m_Frozen{false};
};
Dictionary::Iterator begin(const Dictionary::Ptr& x);
Dictionary::Iterator end(const Dictionary::Ptr& x);
}
extern template class std::map<icinga::String, icinga::Value>;
#endif /* DICTIONARY_H */