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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Core/FileLoaders/LocalFileLoader.h
Views: 1401
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// Copyright (c) 2012- PPSSPP Project.

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// This program is free software: you can redistribute it and/or modify

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// it under the terms of the GNU General Public License as published by

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// the Free Software Foundation, version 2.0 or later versions.

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// This program is distributed in the hope that it will be useful,

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// but WITHOUT ANY WARRANTY; without even the implied warranty of

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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// GNU General Public License 2.0 for more details.

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// A copy of the GPL 2.0 should have been included with the program.

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// If not, see http://www.gnu.org/licenses/

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// Official git repository and contact information can be found at

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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

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#pragma once

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#include <mutex>

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#include "Common/CommonTypes.h"

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#include "Common/File/Path.h"

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#include "Core/Loaders.h"

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#ifdef _WIN32

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typedef void *HANDLE;

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#endif

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#ifdef HAVE_LIBRETRO_VFS

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#include <streams/file_stream.h>

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typedef RFILE* HANDLE;

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#endif

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class LocalFileLoader : public FileLoader {

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public:

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	LocalFileLoader(const Path &filename);

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	~LocalFileLoader();

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	bool Exists() override;

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	bool IsDirectory() override;

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	s64 FileSize() override;

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	Path GetPath() const override {

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		return filename_;

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	}

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	size_t ReadAt(s64 absolutePos, size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) override;

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private:

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#if !defined(_WIN32) && !defined(HAVE_LIBRETRO_VFS)

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	void DetectSizeFd();

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	int fd_ = -1;

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#else

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	HANDLE handle_ = 0;

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#endif

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	u64 filesize_ = 0;

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	Path filename_;

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	std::mutex readLock_;

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	bool isOpenedByFd_ = false;

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};

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