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			70 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			70 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// Copyright (C) 2020 Jon Beniston, M7RCE                                        //
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								//                                                                               //
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								// This program is free software; you can redistribute it and/or modify          //
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								// it under the terms of the GNU General Public License as published by          //
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								// the Free Software Foundation as version 3 of the License, or                  //
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								// (at your option) any later version.                                           //
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								//                                                                               //
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								// This program is distributed in the hope that it will be useful,               //
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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								// GNU General Public License V3 for more details.                               //
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								//                                                                               //
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								// You should have received a copy of the GNU General Public License             //
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								// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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								///////////////////////////////////////////////////////////////////////////////////
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								#include "csv.h"
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								#include <QString>
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								#include <QFile>
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								#include <QByteArray>
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								#include <QHash>
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								#include <QList>
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								#include <QDebug>
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								// Create a hash map from a CSV file with two columns
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								QHash<QString, QString> *csvHash(const QString& filename, int reserve)
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								{
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								    int cnt = 0;
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								    QHash<QString, QString> *map = nullptr;
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								    qDebug() << "csvHash: " << filename;
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								    QFile file(filename);
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								    if (file.open(QIODevice::ReadOnly))
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								    {
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								        // Read header
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								        if (!file.atEnd())
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								        {
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								            QByteArray row = file.readLine().trimmed();
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								            if (row.split(',').size() == 2)
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								            {
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								                map = new QHash<QString, QString>();
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								                if (reserve > 0)
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								                    map->reserve(reserve);
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								                // Read data
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								                while (!file.atEnd())
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								                {
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								                    row = file.readLine().trimmed();
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								                    QList<QByteArray> cols = row.split(',');
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								                    map->insert(QString(cols[0]), QString(cols[1]));
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								                    cnt++;
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								                }
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								            }
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								            else
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								                qDebug() << "csvHash: Unexpected header";
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								        }
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								        else
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								            qDebug() << "csvHash: Empty file";
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								        file.close();
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								    }
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								    else
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								        qDebug() << "csvHash: Failed to open " << filename;
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								    qDebug() << "csvHash: " << filename << ": read " << cnt << " entries";
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								    return map;
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								}
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