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/****************************************************************************
**
** Copyright (C) 2009 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 "qmlstringconverters_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>
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 QmlStringConverters::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);
bool b = boolFromString(s, &ok);
if (ok) return QVariant(b);
QVector3D v = vector3DFromString(s, &ok);
if (ok) return qVariantFromValue(v);
return QVariant(s);
}
QColor QmlStringConverters::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;
}
}
//expects input of "x,y"
QPointF QmlStringConverters::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 QmlStringConverters::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 QmlStringConverters::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);
}
bool QmlStringConverters::boolFromString(const QString &str, bool *ok)
{
if (str.isEmpty() || str == QLatin1String("false") || str == QLatin1String("0")) {
if (ok)
*ok = true;
return false;
} else if (str == QLatin1String("true") || str == QLatin1String("1")) {
if (ok)
*ok = true;
return true;
}
if (ok)
*ok = false;
return true;
}
//expects input of "x,y,z"
QVector3D QmlStringConverters::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
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