f9f395c28b
Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
166 lines
4.8 KiB
C++
166 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "dataparser.h"
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#include <QString>
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#include <QVector>
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#include <QFile>
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#include <QTextStream>
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#include <QtDebug>
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static QList<qreal> parseNumbersList(QByteArray::const_iterator &itr)
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{
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QList<qreal> points;
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QByteArray temp;
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while ((*itr) == ' ')
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++itr;
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while (((*itr) >= '0' && (*itr) <= '9') ||
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(*itr) == '-' || (*itr) == '+') {
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temp = QByteArray();
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if ((*itr) == '-')
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temp += *itr++;
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else if ((*itr) == '+')
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temp += *itr++;
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while ((*itr) >= '0' && (*itr) <= '9')
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temp += *itr++;
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if ((*itr) == '.')
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temp += *itr++;
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while ((*itr) >= '0' && (*itr) <= '9')
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temp += *itr++;
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if (( *itr) == 'e') {
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temp += *itr++;
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if ((*itr) == '-' ||
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(*itr) == '+')
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temp += *itr++;
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}
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while ((*itr) >= '0' && (*itr) <= '9')
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temp += *itr++;
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while ((*itr) == ' ')
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++itr;
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if ((*itr) == ',')
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++itr;
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points.append(temp.toDouble());
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//eat the rest of space
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while ((*itr) == ' ')
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++itr;
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}
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return points;
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}
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static QList<QPointF> parsePoints(const QByteArray &line)
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{
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QList<QPointF> res;
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QByteArray::const_iterator it = line.constBegin();
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if (*it == ',')
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++it;
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QList<qreal> nums = parseNumbersList(it);
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QList<qreal>::const_iterator nitr;
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for (nitr = nums.begin(); nitr != nums.end(); ++nitr) {
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qreal x = *nitr;
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++nitr;
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if (nitr == nums.end()) {
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qWarning() << "parsePoints: Even number of co-ordinates required, odd number found: skipping last point";
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break;
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}
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qreal y = *nitr;
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res.append(QPointF(x, y));
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}
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return res;
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}
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QList< QVector<QPointF> > parseData(const QByteArray &contents)
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{
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QList<QByteArray> lines = contents.split('\n');
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QList<QByteArray>::const_iterator itr;
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QList< QVector<QPointF> > res;
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QVector<QPointF> current;
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for (itr = lines.begin(); itr != lines.end(); ++itr) {
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QByteArray line = (*itr).trimmed();
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if (line.isEmpty() || line.startsWith('/')) {
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if (!current.isEmpty()) {
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res.append(current);
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current = QVector<QPointF>();
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}
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continue;
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} else {
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QList<QPointF> lst = parsePoints(line);
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current << lst.toVector();
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}
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}
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return res;
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}
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QList< QVector<QPointF> > parseFile(const QString &fileName)
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{
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QList< QVector<QPointF> > res;
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QFile file(fileName);
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if (!file.open(QIODevice::ReadOnly)) {
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qDebug()<<"couldn't open "<<fileName;
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return res;
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}
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QVector<QPointF> current;
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while (!file.atEnd()) {
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QByteArray line = file.readLine().trimmed();
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if (line.isEmpty() || line.startsWith('/')) {
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if (!current.isEmpty()) {
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res.append(current);
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current = QVector<QPointF>();
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}
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continue;
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} else {
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QList<QPointF> lst = parsePoints(line);
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current << lst.toVector();
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}
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}
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return res;
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}
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