/*************************************************************************/
/*  dictionary.h                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#ifndef DICTIONARY_H
#define DICTIONARY_H


#include "list.h"
#include "array.h"
#include "ustring.h"
class Variant;


struct DictionaryPrivate;


class Dictionary {

	mutable DictionaryPrivate *_p;

	void _copy_on_write() const;
	void _ref(const Dictionary& p_from) const;
	void _unref() const;
public:

	void get_key_list( List<Variant> *p_keys) const;

	Variant& operator[](const Variant& p_key);
	const Variant& operator[](const Variant& p_key) const;

	const Variant* getptr(const Variant& p_key) const;
	Variant* getptr(const Variant& p_key);

	Variant get_valid(const Variant& p_key) const;

	int size() const;
	bool empty() const;
	void clear();


	bool is_shared() const;

	bool has(const Variant& p_key) const;
	bool has_all(const Array& p_keys) const;

	void erase(const Variant& p_key);

	bool operator==(const Dictionary& p_dictionary) const;

	uint32_t hash() const;
	void operator=(const Dictionary& p_dictionary);

	const Variant* next(const Variant* p_key=NULL) const;

	Array keys() const;
	Array values() const;

	Dictionary copy() const;

	Dictionary(const Dictionary& p_from);
	Dictionary(bool p_shared=false);
	~Dictionary();
};

#endif // DICTIONARY_H