mgba/src/platform/qt/VFileDevice.h

51 lines
1.2 KiB
C++

/* Copyright (c) 2013-2014 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#pragma once
#include <QFileDevice>
struct VDir;
struct VFile;
class QBuffer;
namespace QGBA {
class VFileDevice : public QIODevice {
Q_OBJECT
public:
VFileDevice(VFile* vf = nullptr, QObject* parent = nullptr);
VFileDevice(const QString&, QIODevice::OpenMode, QObject* parent = nullptr);
virtual void close() override;
virtual bool seek(qint64 pos) override;
virtual qint64 size() const override;
bool resize(qint64 sz);
VFileDevice& operator=(VFile*);
operator VFile*() { return m_vf; }
static VFile* wrap(QIODevice*, QIODevice::OpenMode);
static VFile* wrap(QFileDevice*, QIODevice::OpenMode);
static VFile* wrap(QBuffer*, QIODevice::OpenMode);
static VFile* open(const QString& path, int mode);
static VFile* openMemory();
static VDir* openDir(const QString& path);
static VDir* openArchive(const QString& path);
protected:
virtual qint64 readData(char* data, qint64 maxSize) override;
virtual qint64 writeData(const char* data, qint64 maxSize) override;
private:
VFile* m_vf;
};
}