Long live Qt 4.5!

1 files changed, 417 insertions, 0 deletions

diff --git a/src/scripttools/debugging/qscriptdebuggervalue.cpp b/src/scripttools/debugging/qscriptdebuggervalue.cpp
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index 0000000000..bb41ee8b0e
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+++ b/src/scripttools/debugging/qscriptdebuggervalue.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 QtSCriptTools 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 "qscriptdebuggervalue_p.h"
+
+#include <QtScript/qscriptvalue.h>
+#include <QtScript/qscriptengine.h>
+#include <QtCore/qdatastream.h>
+#include <QtCore/qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+  \since 4.5
+  \class QScriptDebuggerValue
+  \internal
+
+  \brief The QScriptDebuggerValue class represents a script value.
+*/
+
+class QScriptDebuggerValuePrivate
+{
+public:
+    QScriptDebuggerValuePrivate();
+    ~QScriptDebuggerValuePrivate();
+
+    QScriptDebuggerValue::ValueType type;
+    union {
+        bool booleanValue;
+        QString *stringValue;
+        double numberValue;
+        qint64 objectId;
+    };
+
+    QBasicAtomicInt ref;
+};
+
+QScriptDebuggerValuePrivate::QScriptDebuggerValuePrivate()
+    : type(QScriptDebuggerValue::NoValue)
+{
+    ref = 0;
+}
+
+QScriptDebuggerValuePrivate::~QScriptDebuggerValuePrivate()
+{
+    if (type == QScriptDebuggerValue::StringValue)
+        delete stringValue;
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue()
+    : d_ptr(0)
+{
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(const QScriptValue &value)
+    : d_ptr(0)
+{
+    if (value.isValid()) {
+        d_ptr = new QScriptDebuggerValuePrivate;
+        if (value.isUndefined())
+            d_ptr->type = UndefinedValue;
+        else if (value.isNull())
+            d_ptr->type = NullValue;
+        else if (value.isNumber()) {
+            d_ptr->type = NumberValue;
+            d_ptr->numberValue = value.toNumber();
+        } else if (value.isBoolean()) {
+            d_ptr->type = BooleanValue;
+            d_ptr->booleanValue = value.toBoolean();
+        } else if (value.isString()) {
+            d_ptr->type = StringValue;
+            d_ptr->stringValue = new QString(value.toString());
+        } else {
+            Q_ASSERT(value.isObject());
+            d_ptr->type = ObjectValue;
+            d_ptr->objectId = value.objectId();
+        }
+        d_ptr->ref.ref();
+    }
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(double value)
+    : d_ptr(new QScriptDebuggerValuePrivate)
+{
+    d_ptr->type = NumberValue;
+    d_ptr->numberValue = value;
+    d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(bool value)
+    : d_ptr(new QScriptDebuggerValuePrivate)
+{
+    d_ptr->type = BooleanValue;
+    d_ptr->booleanValue = value;
+    d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(const QString &value)
+    : d_ptr(new QScriptDebuggerValuePrivate)
+{
+    d_ptr->type = StringValue;
+    d_ptr->stringValue = new QString(value);
+    d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(qint64 objectId)
+    : d_ptr(new QScriptDebuggerValuePrivate)
+{
+    d_ptr->type = ObjectValue;
+    d_ptr->objectId = objectId;
+    d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(ValueType type)
+    : d_ptr(new QScriptDebuggerValuePrivate)
+{
+    d_ptr->type = type;
+    d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::QScriptDebuggerValue(const QScriptDebuggerValue &other)
+    : d_ptr(other.d_ptr)
+{
+    if (d_ptr)
+        d_ptr->ref.ref();
+}
+
+QScriptDebuggerValue::~QScriptDebuggerValue()
+{
+    if (d_ptr && !d_ptr->ref.deref()) {
+        delete d_ptr;
+        d_ptr = 0;
+    }
+}
+
+QScriptDebuggerValue &QScriptDebuggerValue::operator=(const QScriptDebuggerValue &other)
+{
+    if (d_ptr == other.d_ptr)
+        return *this;
+    if (d_ptr && !d_ptr->ref.deref())
+        delete d_ptr;
+    d_ptr = other.d_ptr;
+    if (d_ptr)
+        d_ptr->ref.ref();
+    return *this;
+}
+
+/*!
+  Returns the type of this value.
+*/
+QScriptDebuggerValue::ValueType QScriptDebuggerValue::type() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return NoValue;
+    return d->type;
+}
+
+/*!
+  Returns this value as a number.
+*/
+double QScriptDebuggerValue::numberValue() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return 0;
+    Q_ASSERT(d->type == NumberValue);
+    return d->numberValue;
+}
+
+/*!
+  Returns this value as a boolean.
+*/
+bool QScriptDebuggerValue::booleanValue() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return false;
+    Q_ASSERT(d->type == BooleanValue);
+    return d->booleanValue;
+}
+
+/*!
+  Returns this value as a string.
+*/
+QString QScriptDebuggerValue::stringValue() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return QString();
+    Q_ASSERT(d->type == StringValue);
+    return *d->stringValue;
+}
+
+/*!
+  Returns this value as an object ID.
+*/
+qint64 QScriptDebuggerValue::objectId() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return -1;
+    Q_ASSERT(d->type == ObjectValue);
+    return d->objectId;
+}
+
+/*!
+  Converts this QScriptDebuggerValue to a QScriptValue in the
+  given \a engine and returns the resulting value.
+*/
+QScriptValue QScriptDebuggerValue::toScriptValue(QScriptEngine *engine) const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return QScriptValue();
+    switch (d->type) {
+    case NoValue:
+        return QScriptValue();
+    case UndefinedValue:
+        return engine->undefinedValue();
+    case NullValue:
+        return engine->nullValue();
+    case BooleanValue:
+        return QScriptValue(engine, d->booleanValue);
+    case StringValue:
+        return QScriptValue(engine, *d->stringValue);
+    case NumberValue:
+        return QScriptValue(engine, d->numberValue);
+    case ObjectValue:
+        return engine->objectById(d->objectId);
+    }
+    return QScriptValue();
+}
+
+/*!
+  Returns a string representation of this value.
+*/
+QString QScriptDebuggerValue::toString() const
+{
+    Q_D(const QScriptDebuggerValue);
+    if (!d)
+        return QString();
+    switch (d->type) {
+    case NoValue:
+        return QString();
+    case UndefinedValue:
+        return QString::fromLatin1("undefined");
+    case NullValue:
+        return QString::fromLatin1("null");
+    case BooleanValue:
+        if (d->booleanValue)
+            return QString::fromLatin1("true");
+        else
+            return QString::fromLatin1("false");
+    case StringValue:
+        return *d->stringValue;
+    case NumberValue:
+        return QString::number(d->numberValue); // ### qScriptNumberToString()
+    case ObjectValue:
+        return QString::fromLatin1("[object Object]");
+    }
+    return QString();
+}
+
+/*!
+  Returns true if this QScriptDebuggerValue is equal to the \a other
+  value, otherwise returns false.
+*/
+bool QScriptDebuggerValue::operator==(const QScriptDebuggerValue &other) const
+{
+    Q_D(const QScriptDebuggerValue);
+    const QScriptDebuggerValuePrivate *od = other.d_func();
+    if (d == od)
+        return true;
+    if (!d || !od)
+        return false;
+    if (d->type != od->type)
+        return false;
+    switch (d->type) {
+    case NoValue:
+    case UndefinedValue:
+    case NullValue:
+        return true;
+    case BooleanValue:
+        return d->booleanValue == od->booleanValue;
+    case StringValue:
+        return *d->stringValue == *od->stringValue;
+    case NumberValue:
+        return d->numberValue == od->numberValue;
+    case ObjectValue:
+        return d->objectId == od->objectId;
+    }
+    return false;
+}
+
+/*!
+  Returns true if this QScriptDebuggerValue is not equal to the \a
+  other value, otherwise returns false.
+*/
+bool QScriptDebuggerValue::operator!=(const QScriptDebuggerValue &other) const
+{
+    return !(*this == other);
+}
+
+/*!
+  \fn QDataStream &operator<<(QDataStream &stream, const QScriptDebuggerValue &value)
+  \relates QScriptDebuggerValue
+
+  Writes the given \a value to the specified \a stream.
+*/
+QDataStream &operator<<(QDataStream &out, const QScriptDebuggerValue &value)
+{
+    out << (quint32)value.type();
+    switch (value.type()) {
+    case QScriptDebuggerValue::NoValue:
+    case QScriptDebuggerValue::UndefinedValue:
+    case QScriptDebuggerValue::NullValue:
+        break;
+    case QScriptDebuggerValue::BooleanValue:
+        out << value.booleanValue();
+        break;
+    case QScriptDebuggerValue::StringValue:
+        out << value.stringValue();
+        break;
+    case QScriptDebuggerValue::NumberValue:
+        out << value.numberValue();
+        break;
+    case QScriptDebuggerValue::ObjectValue:
+        out << value.objectId();
+        break;
+    }
+    return out;
+}
+
+/*!
+  \fn QDataStream &operator>>(QDataStream &stream, QScriptDebuggerValue &value)
+  \relates QScriptDebuggerValue
+
+  Reads a QScriptDebuggerValue from the specified \a stream into the
+  given \a value.
+*/
+QDataStream &operator>>(QDataStream &in, QScriptDebuggerValue &value)
+{
+    quint32 type;
+    in >> type;
+    switch (QScriptDebuggerValue::ValueType(type)) {
+    case QScriptDebuggerValue::UndefinedValue:
+    case QScriptDebuggerValue::NullValue:
+        value = QScriptDebuggerValue(QScriptDebuggerValue::ValueType(type));
+        break;
+    case QScriptDebuggerValue::BooleanValue: {
+        bool b;
+        in >> b;
+        value = QScriptDebuggerValue(b);
+    }   break;
+    case QScriptDebuggerValue::StringValue: {
+        QString s;
+        in >> s;
+        value = QScriptDebuggerValue(s);
+    }   break;
+    case QScriptDebuggerValue::NumberValue: {
+        double d;
+        in >> d;
+        value = QScriptDebuggerValue(d);
+    }   break;
+    case QScriptDebuggerValue::ObjectValue: {
+        qint64 id;
+        in >> id;
+        value = QScriptDebuggerValue(id);
+    }   break;
+    case QScriptDebuggerValue::NoValue:
+    default:
+        value = QScriptDebuggerValue();
+        break;
+    }
+    return in;
+}
+
+QT_END_NAMESPACE