1/* Copyright (c) 2013-2014 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#pragma once
 7
 8#include <QFileDevice>
 9
10struct VDir;
11struct VFile;
12
13namespace QGBA {
14
15class VFileDevice : public QIODevice {
16Q_OBJECT
17
18public:
19	VFileDevice(VFile* vf = nullptr, QObject* parent = nullptr);
20	VFileDevice(const QString&, QIODevice::OpenMode, QObject* parent = nullptr);
21
22	virtual void close() override;
23	virtual bool seek(qint64 pos) override;
24	virtual qint64 size() const override;
25
26	bool resize(qint64 sz);
27
28	VFileDevice& operator=(VFile*);
29	operator VFile*() { return m_vf; }
30
31	static VFile* open(const QString& path, int mode);
32	static VFile* openMemory();
33	static VDir* openDir(const QString& path);
34	static VDir* openArchive(const QString& path);
35
36protected:
37	virtual qint64 readData(char* data, qint64 maxSize) override;
38	virtual qint64 writeData(const char* data, qint64 maxSize) override;
39
40private:
41	VFile* m_vf;
42};
43
44}