rjp/rjp++/include/rjp.hpp

/**
	rjp++
	Copyright (C) 2020 rexy712

	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 3 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, see <http://www.gnu.org/licenses/>.
*/

#ifndef RJP_HPP_INCLUDED
#define RJP_HPP_INCLUDED

#include <rjp.h>
#include <rexy/string.hpp>

#include <utility> //move

namespace rjp{

	namespace detail{
		struct allocator
		{
			static void free(void* data);
			static void* allocate(size_t size);
			static void* copy(const void* data, size_t len);
		};
	}

	class string : public rexy::string_intermediary<detail::allocator>
	{
	protected:
	public:
		string(const string&) = default;
		string(string&&) = default;
		string& operator=(const string&) = default;
		string& operator=(string&&) = default;

		using rexy::string_intermediary<detail::allocator>::string_intermediary;
		string(RJP_value* r);
		using rexy::string_intermediary<detail::allocator>::operator=;
		string& operator=(RJP_value* r);
	};

	class value
	{
	protected:
		RJP_value* m_value;
		bool m_managed = true;

	protected:
		value(RJP_value* val);
	public:
		value(void);
		value(const value& val);
		value(value&& val);
		~value(void);

		value& operator=(const value& val);
		value& operator=(value&& val);

		const RJP_value* raw(void)const;
		RJP_value* raw(void);

	protected:
		static value create_unmanaged(RJP_value* val);
		static void remove_management(value& val);
	};

	class integer : public value
	{
	public:
		using underlying_type = RJP_int;
	public:
		integer(underlying_type i);
		integer(void);
		integer(const value& val);
		integer(value&& val);
		integer(const value& val, underlying_type i);
		integer(value&& val, underlying_type i);

		integer(const integer&) = default;
		integer(integer&&) = default;
		~integer(void) = default;
		integer& operator=(const integer&) = default;
		integer& operator=(integer&&) = default;

		underlying_type get(void)const;
		void set(underlying_type i);

	};
	class dfloat : public value
	{
	public:
		using underlying_type = RJP_float;
	public:
		dfloat(underlying_type i);
		dfloat(void);
		dfloat(const value& val);
		dfloat(value&& val);
		dfloat(const value& val, underlying_type i);
		dfloat(value&& val, underlying_type i);

		dfloat(const dfloat&) = default;
		dfloat(dfloat&&) = default;
		~dfloat(void) = default;
		dfloat& operator=(const dfloat&) = default;
		dfloat& operator=(dfloat&&) = default;

		underlying_type get(void)const;
		void set(underlying_type i);
	};
	class boolean : public value
	{
	public:
		using underlying_type = RJP_bool;
	public:
		boolean(underlying_type i);
		boolean(void);
		boolean(const value& val);
		boolean(value&& val);
		boolean(const value& val, underlying_type i);
		boolean(value&& val, underlying_type i);

		boolean(const boolean&) = default;
		boolean(boolean&&) = default;
		~boolean(void) = default;
		boolean& operator=(const boolean&) = default;
		boolean& operator=(boolean&&) = default;

		underlying_type get(void)const;
		void set(underlying_type i);
	};
	class null : public value
	{
	public:
		null(void);
		null(const value& val);
		null(value&& val);

		null(const null&) = default;
		null(null&&) = default;
		~null(void) = default;
		null& operator=(const null&) = default;
		null& operator=(null&&) = default;

	};

	class string_val : public value
	{
	public:
		using underlying_type = RJP_string;
	public:
		string_val(const rexy::string_base& str);
		string_val(string&& str);
		string_val(void);
		string_val(const value& val);
		string_val(value&& val);
		string_val(const value& val, const rexy::string_base& i);
		string_val(value&& val, const rexy::string_base& i);
		string_val(const value& val, string&& i);
		string_val(value&& val, string&& i);

		string_val(const string_val&) = default;
		string_val(string_val&&) = default;
		~string_val(void) = default;
		string_val& operator=(const string_val&) = default;
		string_val& operator=(string_val&&) = default;

		rexy::static_string get(void)const&;
		string get(void)&&;
		void set(const rexy::string_base& str);
		void set(string&& str);

	};
	class object : public value
	{
	public:
		object(void);
		object(const value& val);
		object(value&& val);

		object(const object&) = default;
		object(object&&) = default;
		~object(void) = default;
		object& operator=(const object&) = default;
		object& operator=(object&&) = default;

		template<class T = value>
		T add(const rexy::string_base& key){
			RJP_value* newmemb = rjp_add_member_key_copy(m_value, key.get(), key.length());
			return T(create_unmanaged(newmemb));
		}
		template<class T = value>
		T add(rjp::string&& key, typename T::underlying_type i){
			RJP_value* newmemb = rjp_add_member(m_value, key.get(), key.length());
			key.release();
			return T(create_unmanaged(newmemb), i);
		}
		template<class T = string_val>
		string_val add(const rexy::string_base& key, const rexy::string_base& val){
			RJP_value* newmemb = rjp_add_member_key_copy(m_value, key.get(), key.length());
			return string_val(create_unmanaged(newmemb), val);
		}
		template<class T = string_val>
		string_val add(const rexy::string_base& key, string&& val){
			RJP_value* newmemb = rjp_add_member_key_copy(m_value, key.get(), key.length());
			return string_val(create_unmanaged(newmemb), std::move(val));
		}
		template<class T = string_val>
		string_val add(string&& key, const rexy::string_base& val){
			auto keylen = key.length();
			RJP_value* newmemb = rjp_add_member(m_value, key.release(), keylen);
			return string_val(create_unmanaged(newmemb), val);
		}
		template<class T = string_val>
		string_val add(string&& key, string&& val){
			auto keylen = key.length();
			RJP_value* newmemb = rjp_add_member(m_value, key.release(), keylen);
			return string_val(create_unmanaged(newmemb), std::move(val));
		}

		template<class T = value>
		T remove(const rexy::string_base& key){
			RJP_value* removed = rjp_remove_member_by_key(m_value, key.get());
			return T(value(removed));
		}
		template<class T = value, class Value>
		T remove(Value&& val){
			RJP_value* removed = rjp_remove_member(m_value, val.m_value);
			return T(value(removed));
		}

		void destroy(const rexy::string_base& key);
		void destroy(value&& val);

		template<class T = value>
		value& search(const rexy::string_base& key){
			RJP_value* result = rjp_search_member(m_value, key.get());
			return T(create_unmanaged(result));
		}

	};

	class array : public value
	{
	public:
		array(void);
		array(const value& val);
		array(value&& val);

		array(const array&) = default;
		array(array&&) = default;
		~array(void) = default;
		array& operator=(const array&) = default;
		array& operator=(array&&) = default;

		template<class T = value>
		T add(void){
			RJP_value* newelem = rjp_add_element(m_value);
			return T(create_unmanaged(newelem));
		}
		template<class T = value>
		T add(typename T::underlying_type i){
			RJP_value* newelem = rjp_add_element(m_value);
			return T(create_unmanaged(newelem), i);
		}
		template<class T = string_val>
		string_val add(const rexy::string_base& val){
			RJP_value* newelem = rjp_add_element(m_value);
			return string_val(create_unmanaged(newelem), val);
		}
		template<class T = string_val>
		string_val add(string&& val){
			RJP_value* newelem = rjp_add_element(m_value);
			return string_val(create_unmanaged(newelem), std::move(val));
		}

		template<class T = value, class Value>
		T remove(Value&& val){
			RJP_value* removed = rjp_remove_element(m_value, val.raw());
			remove_management(val);
			return T(value(removed));
		}

		void destroy(value&& val);
	};


	string to_json(const value& val, int format = RJP_FORMAT_PRETTY);
}

#endif