mirror of
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279 lines
8.6 KiB
C++
279 lines
8.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdeclarativestringconverters_p.h"
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#include "qdeclarativecommon_p.h"
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#include <QtGui/qcolor.h>
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#include <QtGui/qvector3d.h>
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#include <QtCore/qpoint.h>
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#include <QtCore/qrect.h>
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#include <QtCore/qsize.h>
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#include <QtCore/qvariant.h>
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#include <QtCore/qdatetime.h>
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QT_BEGIN_NAMESPACE
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static uchar fromHex(const uchar c, const uchar c2)
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{
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uchar rv = 0;
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if (c >= '0' && c <= '9')
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rv += (c - '0') * 16;
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else if (c >= 'A' && c <= 'F')
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rv += (c - 'A' + 10) * 16;
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else if (c >= 'a' && c <= 'f')
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rv += (c - 'a' + 10) * 16;
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if (c2 >= '0' && c2 <= '9')
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rv += (c2 - '0');
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else if (c2 >= 'A' && c2 <= 'F')
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rv += (c2 - 'A' + 10);
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else if (c2 >= 'a' && c2 <= 'f')
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rv += (c2 - 'a' + 10);
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return rv;
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}
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static uchar fromHex(const QString &s, int idx)
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{
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uchar c = s.at(idx).toAscii();
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uchar c2 = s.at(idx + 1).toAscii();
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return fromHex(c, c2);
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}
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QVariant QDeclarativeStringConverters::variantFromString(const QString &s)
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{
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if (s.isEmpty())
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return QVariant(s);
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bool ok = false;
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QRectF r = rectFFromString(s, &ok);
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if (ok) return QVariant(r);
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QColor c = colorFromString(s, &ok);
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if (ok) return QVariant(c);
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QPointF p = pointFFromString(s, &ok);
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if (ok) return QVariant(p);
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QSizeF sz = sizeFFromString(s, &ok);
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if (ok) return QVariant(sz);
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QVector3D v = vector3DFromString(s, &ok);
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if (ok) return QVariant::fromValue(v);
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return QVariant(s);
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}
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QVariant QDeclarativeStringConverters::variantFromString(const QString &s, int preferredType, bool *ok)
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{
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switch (preferredType) {
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case QMetaType::Int:
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return QVariant(int(qRoundDouble(s.toDouble(ok))));
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case QMetaType::UInt:
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return QVariant(uint(qRoundDouble(s.toDouble(ok))));
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case QMetaType::QColor:
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return QVariant::fromValue(colorFromString(s, ok));
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#ifndef QT_NO_DATESTRING
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case QMetaType::QDate:
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return QVariant::fromValue(dateFromString(s, ok));
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case QMetaType::QTime:
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return QVariant::fromValue(timeFromString(s, ok));
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case QMetaType::QDateTime:
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return QVariant::fromValue(dateTimeFromString(s, ok));
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#endif // QT_NO_DATESTRING
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case QMetaType::QPointF:
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return QVariant::fromValue(pointFFromString(s, ok));
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case QMetaType::QPoint:
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return QVariant::fromValue(pointFFromString(s, ok).toPoint());
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case QMetaType::QSizeF:
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return QVariant::fromValue(sizeFFromString(s, ok));
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case QMetaType::QSize:
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return QVariant::fromValue(sizeFFromString(s, ok).toSize());
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case QMetaType::QRectF:
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return QVariant::fromValue(rectFFromString(s, ok));
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case QMetaType::QRect:
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return QVariant::fromValue(rectFFromString(s, ok).toRect());
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case QMetaType::QVector3D:
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return QVariant::fromValue(vector3DFromString(s, ok));
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default:
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if (ok) *ok = false;
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return QVariant();
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}
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}
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QColor QDeclarativeStringConverters::colorFromString(const QString &s, bool *ok)
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{
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if (s.length() == 9 && s.startsWith(QLatin1Char('#'))) {
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uchar a = fromHex(s, 1);
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uchar r = fromHex(s, 3);
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uchar g = fromHex(s, 5);
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uchar b = fromHex(s, 7);
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if (ok) *ok = true;
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return QColor(r, g, b, a);
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} else {
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QColor rv(s);
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if (ok) *ok = rv.isValid();
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return rv;
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}
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}
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#ifndef QT_NO_DATESTRING
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QDate QDeclarativeStringConverters::dateFromString(const QString &s, bool *ok)
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{
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QDate d = QDate::fromString(s, Qt::ISODate);
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if (ok) *ok = d.isValid();
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return d;
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}
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QTime QDeclarativeStringConverters::timeFromString(const QString &s, bool *ok)
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{
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QTime t = QTime::fromString(s, Qt::ISODate);
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if (ok) *ok = t.isValid();
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return t;
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}
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QDateTime QDeclarativeStringConverters::dateTimeFromString(const QString &s, bool *ok)
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{
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QDateTime d = QDateTime::fromString(s, Qt::ISODate);
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if (ok) *ok = d.isValid();
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return d;
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}
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#endif // QT_NO_DATESTRING
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//expects input of "x,y"
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QPointF QDeclarativeStringConverters::pointFFromString(const QString &s, bool *ok)
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{
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if (s.count(QLatin1Char(',')) != 1) {
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if (ok)
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*ok = false;
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return QPointF();
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}
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bool xGood, yGood;
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int index = s.indexOf(QLatin1Char(','));
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qreal xCoord = s.left(index).toDouble(&xGood);
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qreal yCoord = s.mid(index+1).toDouble(&yGood);
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if (!xGood || !yGood) {
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if (ok)
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*ok = false;
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return QPointF();
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}
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if (ok)
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*ok = true;
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return QPointF(xCoord, yCoord);
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}
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//expects input of "widthxheight"
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QSizeF QDeclarativeStringConverters::sizeFFromString(const QString &s, bool *ok)
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{
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if (s.count(QLatin1Char('x')) != 1) {
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if (ok)
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*ok = false;
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return QSizeF();
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}
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bool wGood, hGood;
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int index = s.indexOf(QLatin1Char('x'));
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qreal width = s.left(index).toDouble(&wGood);
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qreal height = s.mid(index+1).toDouble(&hGood);
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if (!wGood || !hGood) {
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if (ok)
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*ok = false;
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return QSizeF();
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}
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if (ok)
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*ok = true;
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return QSizeF(width, height);
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}
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//expects input of "x,y,widthxheight" //### use space instead of second comma?
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QRectF QDeclarativeStringConverters::rectFFromString(const QString &s, bool *ok)
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{
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if (s.count(QLatin1Char(',')) != 2 || s.count(QLatin1Char('x')) != 1) {
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if (ok)
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*ok = false;
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return QRectF();
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}
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bool xGood, yGood, wGood, hGood;
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int index = s.indexOf(QLatin1Char(','));
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qreal x = s.left(index).toDouble(&xGood);
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int index2 = s.indexOf(QLatin1Char(','), index+1);
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qreal y = s.mid(index+1, index2-index-1).toDouble(&yGood);
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index = s.indexOf(QLatin1Char('x'), index2+1);
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qreal width = s.mid(index2+1, index-index2-1).toDouble(&wGood);
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qreal height = s.mid(index+1).toDouble(&hGood);
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if (!xGood || !yGood || !wGood || !hGood) {
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if (ok)
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*ok = false;
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return QRectF();
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}
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if (ok)
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*ok = true;
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return QRectF(x, y, width, height);
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}
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//expects input of "x,y,z"
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QVector3D QDeclarativeStringConverters::vector3DFromString(const QString &s, bool *ok)
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{
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if (s.count(QLatin1Char(',')) != 2) {
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if (ok)
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*ok = false;
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return QVector3D();
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}
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bool xGood, yGood, zGood;
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int index = s.indexOf(QLatin1Char(','));
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int index2 = s.indexOf(QLatin1Char(','), index+1);
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qreal xCoord = s.left(index).toDouble(&xGood);
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qreal yCoord = s.mid(index+1, index2-index-1).toDouble(&yGood);
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qreal zCoord = s.mid(index2+1).toDouble(&zGood);
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if (!xGood || !yGood || !zGood) {
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if (ok)
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*ok = false;
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return QVector3D();
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}
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if (ok)
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*ok = true;
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return QVector3D(xCoord, yCoord, zCoord);
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}
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QT_END_NAMESPACE
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