Magic_Game/src/kiwano/utils/LocalStorage.h

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// 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.

#pragma once
#include <kiwano/macros.h>
#include <kiwano/core/core.h>

namespace kiwano
{
	//
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
	// LocalStorage <20><><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD><DAB1>ش<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>, ֧<>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͱ<EFBFBD><CDB0><EFBFBD> (bool | int | float | double | String)
	// <20><><EFBFBD>ݶ<EFBFBD><DDB6><EFBFBD><EFBFBD><EFBFBD> key-value (<28><>-ֵ) <20>ķ<EFBFBD>ʽ<EFBFBD><CABD>ȡ
	// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ϸ<EFBFBD><CFB7><EFBFBD>߷<EFBFBD>, <20>Ա<EFBFBD><D4B1>´ν<C2B4><CEBD><EFBFBD><EFBFBD><EFBFBD>Ϸʱ<CFB7><CAB1>ȡ:
	// LocalStorage data;                      // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݶ<EFBFBD><DDB6><EFBFBD>
	// data.SaveInt(L"best-score", 20);        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߷<EFBFBD> 20
	// int best = data.GetInt(L"best-score");  // <20><>ȡ֮ǰ<D6AE><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߷<EFBFBD>
	//

	class KGE_API LocalStorage
	{
	public:
		LocalStorage(
			String const& file_path = L"./data.ini",	// <20>ļ<EFBFBD>·<EFBFBD><C2B7>
			String const& field = L"defalut"			// <20>ֶ<EFBFBD><D6B6><EFBFBD>
		);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>·<EFBFBD><C2B7>
		inline String const& GetFilePath() const { return file_path_; }

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>·<EFBFBD><C2B7>
		void SetFilePath(
			String const& file_path
		);

		// <20><>ȡ<EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD>
		inline String const& GetFieldName() const { return field_name_; }

		// <20><><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD>
		void SetFieldName(
			String const& field
		);

		// <20>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool Exists(
			String const& key
		) const;

		// <20><><EFBFBD><EFBFBD> int <20><><EFBFBD>͵<EFBFBD>ֵ
		bool SaveInt(
			String const& key,
			int val
		) const;

		// <20><><EFBFBD><EFBFBD> float <20><><EFBFBD>͵<EFBFBD>ֵ
		bool SaveFloat(
			String const& key,
			float val
		) const;

		// <20><><EFBFBD><EFBFBD> double <20><><EFBFBD>͵<EFBFBD>ֵ
		bool SaveDouble(
			String const& key,
			double val
		) const;

		// <20><><EFBFBD><EFBFBD> bool <20><><EFBFBD>͵<EFBFBD>ֵ
		bool SaveBool(
			String const& key,
			bool val
		) const;

		// <20><><EFBFBD><EFBFBD> String <20><><EFBFBD>͵<EFBFBD>ֵ
		bool SaveString(
			String const& key,
			String const& val
		) const;

		// <20><>ȡ int <20><><EFBFBD>͵<EFBFBD>ֵ
		int GetInt(
			String const& key,
			int default_value = 0
		) const;

		// <20><>ȡ float <20><><EFBFBD>͵<EFBFBD>ֵ
		float GetFloat(
			String const& key,
			float default_value = 0.0f
		) const;

		// <20><>ȡ double <20><><EFBFBD>͵<EFBFBD>ֵ
		double GetDouble(
			String const& key,
			double default_value = 0.0
		) const;

		// <20><>ȡ bool <20><><EFBFBD>͵<EFBFBD>ֵ
		bool GetBool(
			String const& key,
			bool default_value = false
		) const;

		// <20><>ȡ <20>ַ<EFBFBD><D6B7><EFBFBD> <20><><EFBFBD>͵<EFBFBD>ֵ
		String GetString(
			String const& key,
			String const& default_value = String()
		) const;

	protected:
		String file_path_;
		String field_name_;
	};
}