Magic_Game/src/kiwano/platform/FileSystem.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/core/Resource.h>

namespace kiwano
{
/**
 * \~chinese
 * @brief <EFBFBD>ļ<EFBFBD>ϵͳ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD>ṩ<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
class KGE_API FileSystem : public Singleton<FileSystem>
{
    friend Singleton<FileSystem>;

public:
    /**
     * \~chinese
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
     * @param path <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
     */
    void AddSearchPath(const String& path);

    /**
     * \~chinese
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
     * @param paths <EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
     */
    void SetSearchPaths(const Vector<String>& paths);

    /**
     * \~chinese
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
     * @param file <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     */
    String GetFullPathForFile(const String& file) const;

    /**
     * \~chinese
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
     * @param key <EFBFBD>ļ<EFBFBD><EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>
     * @param file_path <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     */
    void AddFileLookupRule(const String& key, const String& file_path);

    /**
     * \~chinese
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>
     * @param dict <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>
     */
    void SetFileLookupDictionary(const UnorderedMap<String, String>& dict);

    /**
     * \~chinese
     * @brief <EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
     * @param file_path <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     * @return <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true
     */
    bool IsFileExists(const String& file_path) const;

    /**
     * \~chinese
     * @brief <EFBFBD>ж<EFBFBD>·<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ǿ<EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
     * @param path <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     * @return <EFBFBD><EFBFBD><EFBFBD>Ǿ<EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true
     */
    bool IsAbsolutePath(const String& path) const;

    /**
     * \~chinese
     * @brief ɾ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
     * @param file_path <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
     * @return ɾ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
     */
    bool RemoveFile(const String& file_path) const;

    /**
     * \~chinese
     * @brief <EFBFBD>ͷŶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ļ<EFBFBD>Ŀ¼
     * @param res <EFBFBD><EFBFBD>Դ
     * @param dest_file_name Ŀ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>
     * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
     */
    bool ExtractResourceToFile(const Resource& res, const String& dest_file_name) const;

private:
    FileSystem();

    ~FileSystem();

private:
    Vector<String>                       search_paths_;
    UnorderedMap<String, String>         file_lookup_dict_;
    mutable UnorderedMap<String, String> file_lookup_cache_;
};
}  // namespace kiwano