rpcsx/rpcs3/Emu/FS/vfsDevice.h

#pragma once
#include "vfsStream.h"
#include <mutex>

enum vfsOpenMode
{
	vfsRead = 0x1,
	vfsWrite = 0x2,
	vfsExcl = 0x4,
	vfsAppend = 0x8,
	vfsReadWrite = vfsRead | vfsWrite,
	vfsWriteExcl = vfsWrite | vfsExcl,
	vfsWriteAppend = vfsWrite | vfsAppend,
};

class vfsDevice : public vfsStream
{
	wxString m_ps3_path;
	wxString m_local_path;
	mutable std::mutex m_mtx_lock;

public:
	vfsDevice(const wxString& ps3_path, const wxString& local_path);
	vfsDevice() {}

	virtual vfsDevice* GetNew()=0;
	virtual bool Open(const wxString& path, vfsOpenMode mode = vfsRead)=0;
	virtual bool Create(const wxString& path)=0;
	wxString GetLocalPath() const;
	wxString GetPs3Path() const;

	void SetPath(const wxString& ps3_path, const wxString& local_path);

	u32 CmpPs3Path(const wxString& ps3_path);
	u32 CmpLocalPath(const wxString& local_path);

	static wxString ErasePath(const wxString& local_path, u32 start_dir_count, u32 end_dir_count);
	static wxString GetRoot(const wxString& local_path);
	static wxString GetRootPs3(const wxString& local_path);
	static wxString GetWinPath(const wxString& p, bool is_dir = true);
	static wxString GetWinPath(const wxString& l, const wxString& r);
	static wxString GetPs3Path(const wxString& p, bool is_dir = true);
	static wxString GetPs3Path(const wxString& l, const wxString& r);

	void Lock() const;
	void Unlock() const;
	bool TryLock() const;
};

class vfsDeviceLocker
{
	vfsDevice& m_device;

public:
	vfsDeviceLocker(vfsDevice& device) : m_device(device)
	{
		m_device.Lock();
	}

	~vfsDeviceLocker()
	{
		m_device.Unlock();
	}
};