Issue 5183 - remove synchronous FileSystem interface and stop exposing of DefaultFileSystem

include/AdblockPlus/DefaultFileSystem.h

-/*
- * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2017 eyeo GmbH
- *
- * Adblock Plus is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef ADBLOCK_PLUS_DEFAULT_FILE_SYSTEM_H
-#define ADBLOCK_PLUS_DEFAULT_FILE_SYSTEM_H
-
-#include "FileSystem.h"
-
-#ifdef _WIN32
-#define PATH_SEPARATOR '\\'
-#else
-#define PATH_SEPARATOR '/'
-#endif
-
-namespace AdblockPlus
-{
-  /**
-   * `FileSystem` implementation that interacts directly with the operating
-   * system's file system.
-   * All paths are considered relative to the base path, or to the current
-   * working directory if no base path is set (see `SetBasePath()`).
-   */
-  class DefaultFileSystemSync : public FileSystem
-  {
-  public:
-    IFileSystem::IOBuffer Read(const std::string& path) const;
-    void Write(const std::string& path, const IFileSystem::IOBuffer& data);
-    void Move(const std::string& fromPath, const std::string& toPath);
-    void Remove(const std::string& path);
-    IFileSystem::StatResult Stat(const std::string& path) const;
-    std::string Resolve(const std::string& path) const;
-
-    /**
-     * Sets the base path, all paths are considered relative to it.
-     * @param path Base path.
-     */
-    void SetBasePath(const std::string& path);
-
-  protected:
-    std::string basePath;
-  };
-
-  class DefaultFileSystem : public IFileSystem
-  {
-  public:
-    explicit DefaultFileSystem(const FileSystemSyncPtr& syncImpl);
-    void Read(const std::string& path,
-              const ReadCallback& callback) const;
-    void Write(const std::string& path,
-               const IOBuffer& data,
-               const Callback& callback);
-    void Move(const std::string& fromPath,
-              const std::string& toPath,
-              const Callback& callback);
-    void Remove(const std::string& path, const Callback& callback);
-    void Stat(const std::string& path,
-              const StatCallback& callback) const;
-
-    std::string Resolve(const std::string& path) const;
-  private:
-    FileSystemSyncPtr syncImpl;
-  };
-}
-
-#endif