summaryrefslogtreecommitdiffstats
path: root/src/declarative/qml/qdeclarativestringconverters.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/qml/qdeclarativestringconverters.cpp')
-rw-r--r--src/declarative/qml/qdeclarativestringconverters.cpp276
1 files changed, 276 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativestringconverters.cpp b/src/declarative/qml/qdeclarativestringconverters.cpp
new file mode 100644
index 0000000..f3497e5
--- /dev/null
+++ b/src/declarative/qml/qdeclarativestringconverters.cpp
@@ -0,0 +1,276 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdeclarativestringconverters_p.h"
+
+#include <QtGui/qcolor.h>
+#include <QtGui/qvector3d.h>
+#include <QtCore/qpoint.h>
+#include <QtCore/qrect.h>
+#include <QtCore/qsize.h>
+#include <QtCore/qvariant.h>
+#include <QtCore/qdatetime.h>
+
+QT_BEGIN_NAMESPACE
+
+static uchar fromHex(const uchar c, const uchar c2)
+{
+ uchar rv = 0;
+ if (c >= '0' && c <= '9')
+ rv += (c - '0') * 16;
+ else if (c >= 'A' && c <= 'F')
+ rv += (c - 'A' + 10) * 16;
+ else if (c >= 'a' && c <= 'f')
+ rv += (c - 'a' + 10) * 16;
+
+ if (c2 >= '0' && c2 <= '9')
+ rv += (c2 - '0');
+ else if (c2 >= 'A' && c2 <= 'F')
+ rv += (c2 - 'A' + 10);
+ else if (c2 >= 'a' && c2 <= 'f')
+ rv += (c2 - 'a' + 10);
+
+ return rv;
+}
+
+static uchar fromHex(const QString &s, int idx)
+{
+ uchar c = s.at(idx).toAscii();
+ uchar c2 = s.at(idx + 1).toAscii();
+ return fromHex(c, c2);
+}
+
+QVariant QDeclarativeStringConverters::variantFromString(const QString &s)
+{
+ if (s.isEmpty())
+ return QVariant(s);
+ if (s.startsWith(QLatin1Char('\'')) && s.endsWith(QLatin1Char('\''))) {
+ QString data = s.mid(1, s.length() - 2);
+ return QVariant(data);
+ }
+ bool ok = false;
+ QRectF r = rectFFromString(s, &ok);
+ if (ok) return QVariant(r);
+ QColor c = colorFromString(s, &ok);
+ if (ok) return QVariant(c);
+ QPointF p = pointFFromString(s, &ok);
+ if (ok) return QVariant(p);
+ QSizeF sz = sizeFFromString(s, &ok);
+ if (ok) return QVariant(sz);
+ QVector3D v = vector3DFromString(s, &ok);
+ if (ok) return qVariantFromValue(v);
+
+ return QVariant(s);
+}
+
+QVariant QDeclarativeStringConverters::variantFromString(const QString &s, int preferredType, bool *ok)
+{
+ switch (preferredType) {
+ case QMetaType::QColor:
+ return QVariant::fromValue(colorFromString(s, ok));
+ case QMetaType::QDate:
+ return QVariant::fromValue(dateFromString(s, ok));
+ case QMetaType::QTime:
+ return QVariant::fromValue(timeFromString(s, ok));
+ case QMetaType::QDateTime:
+ return QVariant::fromValue(dateTimeFromString(s, ok));
+ case QMetaType::QPointF:
+ return QVariant::fromValue(pointFFromString(s, ok));
+ case QMetaType::QPoint:
+ return QVariant::fromValue(pointFFromString(s, ok).toPoint());
+ case QMetaType::QSizeF:
+ return QVariant::fromValue(sizeFFromString(s, ok));
+ case QMetaType::QSize:
+ return QVariant::fromValue(sizeFFromString(s, ok).toSize());
+ case QMetaType::QRectF:
+ return QVariant::fromValue(rectFFromString(s, ok));
+ case QMetaType::QRect:
+ return QVariant::fromValue(rectFFromString(s, ok).toRect());
+ case QMetaType::QVector3D:
+ return QVariant::fromValue(vector3DFromString(s, ok));
+ default:
+ if (ok) *ok = false;
+ return QVariant();
+ }
+}
+
+QColor QDeclarativeStringConverters::colorFromString(const QString &s, bool *ok)
+{
+ if (s.startsWith(QLatin1Char('#')) && s.length() == 9) {
+ uchar a = fromHex(s, 1);
+ uchar r = fromHex(s, 3);
+ uchar g = fromHex(s, 5);
+ uchar b = fromHex(s, 7);
+ if (ok) *ok = true;
+ return QColor(r, g, b, a);
+ } else {
+ QColor rv;
+ if (s.startsWith(QLatin1Char('#')) || QColor::colorNames().contains(s.toLower()))
+ rv = QColor(s);
+ if (ok) *ok = rv.isValid();
+ return rv;
+ }
+}
+
+QDate QDeclarativeStringConverters::dateFromString(const QString &s, bool *ok)
+{
+ QDate d = QDate::fromString(s, Qt::ISODate);
+ if (ok) *ok = d.isValid();
+ return d;
+}
+
+QTime QDeclarativeStringConverters::timeFromString(const QString &s, bool *ok)
+{
+ QTime t = QTime::fromString(s, Qt::ISODate);
+ if (ok) *ok = t.isValid();
+ return t;
+}
+
+QDateTime QDeclarativeStringConverters::dateTimeFromString(const QString &s, bool *ok)
+{
+ QDateTime d = QDateTime::fromString(s, Qt::ISODate);
+ if (ok) *ok = d.isValid();
+ return d;
+}
+
+//expects input of "x,y"
+QPointF QDeclarativeStringConverters::pointFFromString(const QString &s, bool *ok)
+{
+ if (s.count(QLatin1Char(',')) != 1) {
+ if (ok)
+ *ok = false;
+ return QPointF();
+ }
+
+ bool xGood, yGood;
+ int index = s.indexOf(QLatin1Char(','));
+ qreal xCoord = s.left(index).toDouble(&xGood);
+ qreal yCoord = s.mid(index+1).toDouble(&yGood);
+ if (!xGood || !yGood) {
+ if (ok)
+ *ok = false;
+ return QPointF();
+ }
+
+ if (ok)
+ *ok = true;
+ return QPointF(xCoord, yCoord);
+}
+
+//expects input of "widthxheight"
+QSizeF QDeclarativeStringConverters::sizeFFromString(const QString &s, bool *ok)
+{
+ if (s.count(QLatin1Char('x')) != 1) {
+ if (ok)
+ *ok = false;
+ return QSizeF();
+ }
+
+ bool wGood, hGood;
+ int index = s.indexOf(QLatin1Char('x'));
+ qreal width = s.left(index).toDouble(&wGood);
+ qreal height = s.mid(index+1).toDouble(&hGood);
+ if (!wGood || !hGood) {
+ if (ok)
+ *ok = false;
+ return QSizeF();
+ }
+
+ if (ok)
+ *ok = true;
+ return QSizeF(width, height);
+}
+
+//expects input of "x,y,widthxheight" //### use space instead of second comma?
+QRectF QDeclarativeStringConverters::rectFFromString(const QString &s, bool *ok)
+{
+ if (s.count(QLatin1Char(',')) != 2 || s.count(QLatin1Char('x')) != 1) {
+ if (ok)
+ *ok = false;
+ return QRectF();
+ }
+
+ bool xGood, yGood, wGood, hGood;
+ int index = s.indexOf(QLatin1Char(','));
+ qreal x = s.left(index).toDouble(&xGood);
+ int index2 = s.indexOf(QLatin1Char(','), index+1);
+ qreal y = s.mid(index+1, index2-index-1).toDouble(&yGood);
+ index = s.indexOf(QLatin1Char('x'), index2+1);
+ qreal width = s.mid(index2+1, index-index2-1).toDouble(&wGood);
+ qreal height = s.mid(index+1).toDouble(&hGood);
+ if (!xGood || !yGood || !wGood || !hGood) {
+ if (ok)
+ *ok = false;
+ return QRectF();
+ }
+
+ if (ok)
+ *ok = true;
+ return QRectF(x, y, width, height);
+}
+
+//expects input of "x,y,z"
+QVector3D QDeclarativeStringConverters::vector3DFromString(const QString &s, bool *ok)
+{
+ if (s.count(QLatin1Char(',')) != 2) {
+ if (ok)
+ *ok = false;
+ return QVector3D();
+ }
+
+ bool xGood, yGood, zGood;
+ int index = s.indexOf(QLatin1Char(','));
+ int index2 = s.indexOf(QLatin1Char(','), index+1);
+ qreal xCoord = s.left(index).toDouble(&xGood);
+ qreal yCoord = s.mid(index+1, index2-index-1).toDouble(&yGood);
+ qreal zCoord = s.mid(index2+1).toDouble(&zGood);
+ if (!xGood || !yGood || !zGood) {
+ if (ok)
+ *ok = false;
+ return QVector3D();
+ }
+
+ if (ok)
+ *ok = true;
+ return QVector3D(xCoord, yCoord, zCoord);
+}
+
+QT_END_NAMESPACE
generated by cgit v0.12 at 2024-11-20 15:47:57 (GMT)