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/****************************************************************************
**
** 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 QtScript module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-ONLY$
** GNU Lesser General Public License Usage
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "config.h"
#include "qscriptvariant_p.h"
#include "../api/qscriptengine.h"
#include "../api/qscriptengine_p.h"
#include "Error.h"
#include "PrototypeFunction.h"
#include "JSString.h"
namespace JSC
{
QT_USE_NAMESPACE
ASSERT_CLASS_FITS_IN_CELL(QScript::QVariantPrototype);
}
QT_BEGIN_NAMESPACE
namespace QScript
{
QVariantDelegate::QVariantDelegate(const QVariant &value)
: m_value(value)
{
}
QVariantDelegate::~QVariantDelegate()
{
}
QVariant &QVariantDelegate::value()
{
return m_value;
}
void QVariantDelegate::setValue(const QVariant &value)
{
m_value = value;
}
QScriptObjectDelegate::Type QVariantDelegate::type() const
{
return Variant;
}
static JSC::JSValue JSC_HOST_CALL variantProtoFuncValueOf(JSC::ExecState *exec, JSC::JSObject*,
JSC::JSValue thisValue, const JSC::ArgList&)
{
QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
thisValue = engine->toUsableValue(thisValue);
if (!thisValue.inherits(&QScriptObject::info))
return throwError(exec, JSC::TypeError);
QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate();
if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant))
return throwError(exec, JSC::TypeError);
const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value();
switch (v.type()) {
case QVariant::Invalid:
return JSC::jsUndefined();
case QVariant::String:
return JSC::jsString(exec, v.toString());
case QVariant::Int:
return JSC::jsNumber(exec, v.toInt());
case QVariant::Bool:
return JSC::jsBoolean(v.toBool());
case QVariant::Double:
return JSC::jsNumber(exec, v.toDouble());
// case QVariant::Char:
// return JSC::jsNumber(exec, v.toChar().unicode());
case QVariant::UInt:
return JSC::jsNumber(exec, v.toUInt());
default:
;
}
return thisValue;
}
static JSC::JSValue JSC_HOST_CALL variantProtoFuncToString(JSC::ExecState *exec, JSC::JSObject *callee,
JSC::JSValue thisValue, const JSC::ArgList &args)
{
QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
thisValue = engine->toUsableValue(thisValue);
if (!thisValue.inherits(&QScriptObject::info))
return throwError(exec, JSC::TypeError, "This object is not a QVariant");
QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate();
if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant))
return throwError(exec, JSC::TypeError, "This object is not a QVariant");
const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value();
JSC::UString result;
JSC::JSValue value = variantProtoFuncValueOf(exec, callee, thisValue, args);
if (value.isObject()) {
result = v.toString();
if (result.isEmpty() && !v.canConvert(QVariant::String))
result = QString::fromLatin1("QVariant(%0)").arg(QString::fromLatin1(v.typeName()));
} else {
result = value.toString(exec);
}
return JSC::jsString(exec, result);
}
bool QVariantDelegate::compareToObject(QScriptObject *, JSC::ExecState *exec, JSC::JSObject *o2)
{
const QVariant &variant1 = value();
return variant1 == QScriptEnginePrivate::toVariant(exec, o2);
}
QVariantPrototype::QVariantPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::Structure> structure,
JSC::Structure* prototypeFunctionStructure)
: QScriptObject(structure)
{
setDelegate(new QVariantDelegate(QVariant()));
putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, variantProtoFuncToString), JSC::DontEnum);
putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, variantProtoFuncValueOf), JSC::DontEnum);
}
} // namespace QScript
QT_END_NAMESPACE
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