Long live Qt 4.5!

1 files changed, 169 insertions, 0 deletions

diff --git a/src/script/qscriptextvariant.cpp b/src/script/qscriptextvariant.cpp
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+++ b/src/script/qscriptextvariant.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtScript 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptextvariant_p.h"
+
+#ifndef QT_NO_SCRIPT
+
+#include "qscriptengine_p.h"
+#include "qscriptvalueimpl_p.h"
+#include "qscriptcontext_p.h"
+#include "qscriptmember_p.h"
+#include "qscriptobject_p.h"
+
+#include <QtCore/QtDebug>
+
+#include <QtCore/QStringList>
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QScript { namespace Ext {
+
+Variant::Variant(QScriptEnginePrivate *eng):
+    Ecma::Core(eng, QLatin1String("QVariant"), QScriptClassInfo::VariantType)
+{
+    newVariant(&publicPrototype, QVariant());
+
+    eng->newConstructor(&ctor, this, publicPrototype);
+
+    addPrototypeFunction(QLatin1String("toString"), method_toString, 0);
+    addPrototypeFunction(QLatin1String("valueOf"), method_valueOf, 0);
+}
+
+Variant::~Variant()
+{
+}
+
+Variant::Instance *Variant::Instance::get(const QScriptValueImpl &object, QScriptClassInfo *klass)
+{
+    if (! klass || klass == object.classInfo())
+        return static_cast<Instance*> (object.objectData());
+
+    return 0;
+}
+
+void Variant::execute(QScriptContextPrivate *context)
+{
+    QScriptValueImpl tmp;
+    newVariant(&tmp, QVariant());
+    context->setReturnValue(tmp);
+}
+
+void Variant::newVariant(QScriptValueImpl *result, const QVariant &value)
+{
+    Instance *instance;
+    if (!result->isValid()) {
+        engine()->newObject(result, publicPrototype, classInfo());
+        instance = new Instance();
+        result->setObjectData(instance);
+    } else {
+        Q_ASSERT(result->isObject());
+        if (result->classInfo() != classInfo()) {
+            result->destroyObjectData();
+            result->setClassInfo(classInfo());
+            instance = new Instance();
+            result->setObjectData(instance);
+        } else {
+            instance = Instance::get(*result, classInfo());
+        }
+    }
+    instance->value = value;
+}
+
+QScriptValueImpl Variant::method_toString(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
+{
+    if (Instance *instance = Instance::get(context->thisObject(), classInfo)) {
+        QString result;
+        QScriptValueImpl value = method_valueOf(context, eng, classInfo);
+        if (value.isObject()) {
+            result = instance->value.toString();
+            if (result.isEmpty()) {
+                result = QString::fromLatin1("QVariant(%0)")
+                         .arg(QLatin1String(instance->value.typeName()));
+            }
+        } else {
+            result = value.toString();
+        }
+        return QScriptValueImpl(eng, result);
+    }
+    return context->throwError(QScriptContext::TypeError,
+                               QLatin1String("QVariant.prototype.toString"));
+}
+
+QScriptValueImpl Variant::method_valueOf(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
+{
+    if (Instance *instance = Instance::get(context->thisObject(), classInfo)) {
+        QVariant v = instance->value;
+        switch (v.type ()) {
+        case QVariant::Invalid:
+            return eng->undefinedValue();
+        case QVariant::String:
+            return (QScriptValueImpl(eng, v.toString()));
+
+        case QVariant::Int:
+            return (QScriptValueImpl(v.toInt()));
+
+        case QVariant::Bool:
+            return (QScriptValueImpl(v.toBool()));
+
+        case QVariant::Double:
+            return (QScriptValueImpl(v.toDouble())); // ### hmmm
+
+        case QVariant::Char:
+            return (QScriptValueImpl(v.toChar().unicode()));
+
+        case QVariant::UInt:
+            return (QScriptValueImpl(v.toUInt()));
+
+        default:
+            return context->thisObject();
+        } // switch
+    }
+    return context->thisObject();
+}
+
+} } // namespace QScript::Ecma
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SCRIPT