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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef SV_CSV_FILE_READER_H
#define SV_CSV_FILE_READER_H
#include "DataFileReader.h"
#include "CSVFormat.h"
#include "base/BaseTypes.h"
#include <QList>
#include <QStringList>
#include <QIODevice>
class QFile;
namespace sv {
class ProgressReporter;
class CSVFileReader : public DataFileReader
{
public:
/**
* Construct a CSVFileReader to read the CSV file at the given
* path, with the given format.
*/
CSVFileReader(QString path, CSVFormat format,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
/**
* Construct a CSVFileReader to read from the given
* QIODevice. Caller retains ownership of the QIODevice: the
* CSVFileReader will not close or delete it and it must outlive
* the CSVFileReader.
*/
CSVFileReader(QIODevice *device, CSVFormat format,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
virtual ~CSVFileReader();
/**
* Return true if the reader has been constructed successfully.
*/
bool isOK() const override;
/**
* If the reader could not be constructed successfully, return an
* error string.
*/
QString getError() const override;
/**
* Load the file and return a new model representing its
* contents. On success, return a model allocated with new, with
* ownership passed to the caller. On failure, return null.
*/
Model *load() const override;
protected:
CSVFormat m_format;
QIODevice *m_device;
bool m_ownDevice;
QString m_filename;
QString m_error;
mutable int m_warnings;
sv_samplerate_t m_mainModelSampleRate;
qint64 m_fileSize;
mutable qint64 m_readCount;
mutable int m_progress;
ProgressReporter *m_reporter;
bool convertTimeValue(QString, int lineno, sv_samplerate_t sampleRate,
int increment, sv_frame_t &calculatedFrame) const;
QString getConvertedAudioFilePath() const;
};
} // end namespace sv
#endif
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