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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_DATA_FILE_READER_FACTORY_H
#define SV_DATA_FILE_READER_FACTORY_H
#include <QString>
#include "CSVFormat.h"
#include "MIDIFileReader.h"
namespace sv {
class DataFileReader;
class Model;
class ProgressReporter;
class DataFileReaderFactory
{
public:
enum Exception { ImportCancelled };
/**
* Return the file extensions that we have data file readers for,
* in a format suitable for use with QFileDialog. For example,
* "*.csv *.xml".
*/
static QString getKnownExtensions();
/**
* Return a data file reader initialised to the file at the
* given path, or NULL if no suitable reader for this path is
* available or the file cannot be opened.
*
* Caller owns the returned object and must delete it after use.
*
* Note that this function is non-interactive -- the user is not
* asked for file format preferences.
*/
static DataFileReader *createReader(QString path,
MIDIFileImportPreferenceAcquirer *,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
/**
* Read the given path, if a suitable reader is available.
* Return NULL if no reader succeeded in reading this file.
*
* Note that this function is non-interactive -- the user is not
* asked for file format preferences. If the CSV file reader is
* used, it is with default format.
*/
static Model *load(QString path,
MIDIFileImportPreferenceAcquirer *acquirer,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
/**
* Read the given path, if a suitable reader is available.
* Return NULL if no reader succeeded in reading this file.
* Do not attempt the general CSV reader.
*/
static Model *loadNonCSV(QString path,
MIDIFileImportPreferenceAcquirer *acquirer,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
/**
* Read the given path using the CSV reader with the given format.
* Return NULL if it failed in reading this file.
*/
static Model *loadCSV(QString path,
CSVFormat format,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
protected:
static DataFileReader *createReader(QString path, bool csv,
MIDIFileImportPreferenceAcquirer *,
CSVFormat format,
sv_samplerate_t mainModelSampleRate,
ProgressReporter *reporter = 0);
};
} // end namespace sv
#endif
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