diff -r 000000000000 -r 1918ee327afb examples/script/customclass/bytearrayclass.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/script/customclass/bytearrayclass.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,307 @@
+/****************************************************************************
+**
+** 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 examples 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 <QtScript/QScriptClassPropertyIterator>
+#include <QtScript/QScriptEngine>
+#include "bytearrayclass.h"
+#include "bytearrayprototype.h"
+
+#include <stdlib.h>
+
+Q_DECLARE_METATYPE(QByteArray*)
+Q_DECLARE_METATYPE(ByteArrayClass*)
+
+class ByteArrayClassPropertyIterator : public QScriptClassPropertyIterator
+{
+public:
+    ByteArrayClassPropertyIterator(const QScriptValue &object);
+    ~ByteArrayClassPropertyIterator();
+
+    bool hasNext() const;
+    void next();
+
+    bool hasPrevious() const;
+    void previous();
+
+    void toFront();
+    void toBack();
+
+    QScriptString name() const;
+    uint id() const;
+
+private:
+    int m_index;
+    int m_last;
+};
+
+static qint32 toArrayIndex(const QString &str)
+{
+    QByteArray bytes = str.toUtf8();
+    char *eptr;
+    quint32 pos = strtoul(bytes.constData(), &eptr, 10);
+    if ((eptr == bytes.constData() + bytes.size())
+        && (QByteArray::number(pos) == bytes)) {
+        return pos;
+    }
+    return -1;
+}
+
+//! [0]
+ByteArrayClass::ByteArrayClass(QScriptEngine *engine)
+    : QObject(engine), QScriptClass(engine)
+{
+    qScriptRegisterMetaType<QByteArray>(engine, toScriptValue, fromScriptValue);
+
+    length = engine->toStringHandle(QLatin1String("length"));
+
+    proto = engine->newQObject(new ByteArrayPrototype(this),
+                               QScriptEngine::QtOwnership,
+                               QScriptEngine::SkipMethodsInEnumeration
+                               | QScriptEngine::ExcludeSuperClassMethods
+                               | QScriptEngine::ExcludeSuperClassProperties);
+    QScriptValue global = engine->globalObject();
+    proto.setPrototype(global.property("Object").property("prototype"));
+
+    ctor = engine->newFunction(construct, proto);
+    ctor.setData(qScriptValueFromValue(engine, this));
+}
+//! [0]
+
+ByteArrayClass::~ByteArrayClass()
+{
+}
+
+//! [3]
+QScriptClass::QueryFlags ByteArrayClass::queryProperty(const QScriptValue &object,
+                                                       const QScriptString &name,
+                                                       QueryFlags flags, uint *id)
+{
+    QByteArray *ba = qscriptvalue_cast<QByteArray*>(object.data());
+    if (!ba)
+        return 0;
+    if (name == length) {
+        return flags;
+    } else {
+        qint32 pos = toArrayIndex(name);
+        if (pos == -1)
+            return 0;
+        *id = pos;
+        if ((flags & HandlesReadAccess) && (pos >= ba->size()))
+            flags &= ~HandlesReadAccess;
+        return flags;
+    }
+}
+//! [3]
+
+//! [4]
+QScriptValue ByteArrayClass::property(const QScriptValue &object,
+                                      const QScriptString &name, uint id)
+{
+    QByteArray *ba = qscriptvalue_cast<QByteArray*>(object.data());
+    if (!ba)
+        return QScriptValue();
+    if (name == length) {
+        return ba->length();
+    } else {
+        qint32 pos = id;
+        if ((pos < 0) || (pos >= ba->size()))
+            return QScriptValue();
+        return uint(ba->at(pos)) & 255;
+    }
+    return QScriptValue();
+}
+//! [4]
+
+//! [5]
+void ByteArrayClass::setProperty(QScriptValue &object,
+                                 const QScriptString &name,
+                                 uint id, const QScriptValue &value)
+{
+    QByteArray *ba = qscriptvalue_cast<QByteArray*>(object.data());
+    if (!ba)
+        return;
+    if (name == length) {
+        ba->resize(value.toInt32());
+    } else {
+        qint32 pos = id;
+        if (pos < 0)
+            return;
+        if (ba->size() <= pos)
+            ba->resize(pos + 1);
+        (*ba)[pos] = char(value.toInt32());
+    }
+}
+//! [5]
+
+//! [6]
+QScriptValue::PropertyFlags ByteArrayClass::propertyFlags(
+    const QScriptValue &/*object*/, const QScriptString &name, uint /*id*/)
+{
+    if (name == length) {
+        return QScriptValue::Undeletable
+            | QScriptValue::SkipInEnumeration;
+    }
+    return QScriptValue::Undeletable;
+}
+//! [6]
+
+//! [7]
+QScriptClassPropertyIterator *ByteArrayClass::newIterator(const QScriptValue &object)
+{
+    return new ByteArrayClassPropertyIterator(object);
+}
+//! [7]
+
+QString ByteArrayClass::name() const
+{
+    return QLatin1String("ByteArray");
+}
+
+QScriptValue ByteArrayClass::prototype() const
+{
+    return proto;
+}
+
+QScriptValue ByteArrayClass::constructor()
+{
+    return ctor;
+}
+
+QScriptValue ByteArrayClass::newInstance(int size)
+{
+    return newInstance(QByteArray(size, /*ch=*/0));
+}
+
+//! [1]
+QScriptValue ByteArrayClass::newInstance(const QByteArray &ba)
+{
+    QScriptValue data = engine()->newVariant(qVariantFromValue(ba));
+    return engine()->newObject(this, data);
+}
+//! [1]
+
+//! [2]
+QScriptValue ByteArrayClass::construct(QScriptContext *ctx, QScriptEngine *)
+{
+    ByteArrayClass *cls = qscriptvalue_cast<ByteArrayClass*>(ctx->callee().data());
+    if (!cls)
+        return QScriptValue();
+    QScriptValue arg = ctx->argument(0);
+    if (arg.instanceOf(ctx->callee()))
+        return cls->newInstance(qscriptvalue_cast<QByteArray>(arg));
+    int size = arg.toInt32();
+    return cls->newInstance(size);
+}
+//! [2]
+
+QScriptValue ByteArrayClass::toScriptValue(QScriptEngine *eng, const QByteArray &ba)
+{
+    QScriptValue ctor = eng->globalObject().property("ByteArray");
+    ByteArrayClass *cls = qscriptvalue_cast<ByteArrayClass*>(ctor.data());
+    if (!cls)
+        return eng->newVariant(qVariantFromValue(ba));
+    return cls->newInstance(ba);
+}
+
+void ByteArrayClass::fromScriptValue(const QScriptValue &obj, QByteArray &ba)
+{
+    ba = qvariant_cast<QByteArray>(obj.data().toVariant());
+}
+
+
+
+ByteArrayClassPropertyIterator::ByteArrayClassPropertyIterator(const QScriptValue &object)
+    : QScriptClassPropertyIterator(object)
+{
+    toFront();
+}
+
+ByteArrayClassPropertyIterator::~ByteArrayClassPropertyIterator()
+{
+}
+
+//! [8]
+bool ByteArrayClassPropertyIterator::hasNext() const
+{
+    QByteArray *ba = qscriptvalue_cast<QByteArray*>(object().data());
+    return m_index < ba->size();
+}
+
+void ByteArrayClassPropertyIterator::next()
+{
+    m_last = m_index;
+    ++m_index;
+}
+
+bool ByteArrayClassPropertyIterator::hasPrevious() const
+{
+    return (m_index > 0);
+}
+
+void ByteArrayClassPropertyIterator::previous()
+{
+    --m_index;
+    m_last = m_index;
+}
+
+void ByteArrayClassPropertyIterator::toFront()
+{
+    m_index = 0;
+    m_last = -1;
+}
+
+void ByteArrayClassPropertyIterator::toBack()
+{
+    QByteArray *ba = qscriptvalue_cast<QByteArray*>(object().data());
+    m_index = ba->size();
+    m_last = -1;
+}
+
+QScriptString ByteArrayClassPropertyIterator::name() const
+{
+    return object().engine()->toStringHandle(QString::number(m_last));
+}
+
+uint ByteArrayClassPropertyIterator::id() const
+{
+    return m_last;
+}
+//! [8]