1 // Copyright (c) 2012- PPSSPP Project.
2 
3 // This program is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, version 2.0 or later versions.
6 
7 // This program is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 // GNU General Public License 2.0 for more details.
11 
12 // A copy of the GPL 2.0 should have been included with the program.
13 // If not, see http://www.gnu.org/licenses/
14 
15 // Official git repository and contact information can be found at
16 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
17 
18 #pragma once
19 
20 #include <mutex>
21 
22 #include "Common/CommonTypes.h"
23 #include "Common/File/Path.h"
24 #include "Core/Loaders.h"
25 
26 #ifdef _WIN32
27 typedef void *HANDLE;
28 #endif
29 
30 class LocalFileLoader : public FileLoader {
31 public:
32 	LocalFileLoader(const Path &filename);
33 	virtual ~LocalFileLoader();
34 
35 	virtual bool Exists() override;
36 	virtual bool IsDirectory() override;
37 	virtual s64 FileSize() override;
GetPath()38 	virtual Path GetPath() const override {
39 		return filename_;
40 	}
41 	virtual size_t ReadAt(s64 absolutePos, size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) override;
42 
43 private:
44 #ifndef _WIN32
45 	void DetectSizeFd();
46 	int fd_ = -1;
47 #else
48 	HANDLE handle_ = 0;
49 #endif
50 	u64 filesize_ = 0;
51 	Path filename_;
52 	std::mutex readLock_;
53 	bool isOpenedByFd_ = false;
54 };
55