view data/fileio/DataFileReaderFactory.cpp @ 1061:c1e43c8d2527 tonioni

Thread-local debug was causing crash on exit with Qt 5.4.x. But we introduced that because QDebug itself was crashing when used from multiple threads. Replace with simpler fstream version
author Chris Cannam
date Tue, 31 Mar 2015 10:36:52 +0100
parents 26cf6d5251ec
children 1dc64d3d323c
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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.
*/

#include "DataFileReaderFactory.h"
#include "MIDIFileReader.h"
#include "CSVFileReader.h"

#include "model/Model.h"

#include <QString>

QString
DataFileReaderFactory::getKnownExtensions()
{
    return "*.svl *.csv *.lab *.mid *.txt";
}

DataFileReader *
DataFileReaderFactory::createReader(QString path,
                                    bool csv,
                                    MIDIFileImportPreferenceAcquirer *acquirer,
                                    CSVFormat format,
                                    sv_samplerate_t mainModelSampleRate)
{
    QString err;

    DataFileReader *reader = 0;

    if (!csv) {
        reader = new MIDIFileReader(path, acquirer, mainModelSampleRate);
        if (reader->isOK()) return reader;
        if (reader->getError() != "") err = reader->getError();
        delete reader;
    }

    if (csv) {
        reader = new CSVFileReader(path, format, mainModelSampleRate);
        if (reader->isOK()) return reader;
        if (reader->getError() != "") err = reader->getError();
        delete reader;
    }

    return 0;
}

DataFileReader *
DataFileReaderFactory::createReader(QString path,
                                    MIDIFileImportPreferenceAcquirer *acquirer,
                                    sv_samplerate_t mainModelSampleRate)
{
    DataFileReader *reader = createReader
        (path, false, acquirer, CSVFormat(), mainModelSampleRate);
    if (reader) return reader;

    reader = createReader
        (path, true, acquirer, CSVFormat(path), mainModelSampleRate);
    if (reader) return reader;

    return 0;
}

Model *
DataFileReaderFactory::load(QString path,
                            MIDIFileImportPreferenceAcquirer *acquirer,
                            sv_samplerate_t mainModelSampleRate)
{
    DataFileReader *reader = createReader(path,
                                          acquirer,
                                          mainModelSampleRate);
    if (!reader) return NULL;

    try {
        Model *model = reader->load();
        delete reader;
        return model;
    } catch (Exception) {
        delete reader;
        throw;
    }
}

Model *
DataFileReaderFactory::loadNonCSV(QString path,
                                  MIDIFileImportPreferenceAcquirer *acquirer,
                                  sv_samplerate_t mainModelSampleRate)
{
    DataFileReader *reader = createReader(path, false,
                                          acquirer,
                                          CSVFormat(),
                                          mainModelSampleRate);
    if (!reader) return NULL;

    try {
        Model *model = reader->load();
        delete reader;
        return model;
    } catch (Exception) {
        delete reader;
        throw;
    }
}

Model *
DataFileReaderFactory::loadCSV(QString path, CSVFormat format,
                               sv_samplerate_t mainModelSampleRate)
{
    DataFileReader *reader = createReader(path, true, 0, format,
                                          mainModelSampleRate);
    if (!reader) return NULL;

    try {
        Model *model = reader->load();
        delete reader;
        return model;
    } catch (Exception) {
        delete reader;
        throw;
    }
}