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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qv4propertykey_p.h"
#include <QtCore/qstring.h>
#include <qv4string_p.h>
#include <qv4engine_p.h>
#include <qv4scopedvalue_p.h>
QV4::Heap::StringOrSymbol *QV4::PropertyKey::toStringOrSymbol(QV4::ExecutionEngine *e)
{
if (isArrayIndex())
return Value::fromUInt32(asArrayIndex()).toString(e);
return static_cast<Heap::StringOrSymbol *>(asStringOrSymbol());
}
bool QV4::PropertyKey::isString() const {
Heap::StringOrSymbol *s = asStringOrSymbol();
return s && s->internalClass->vtable->isString;
}
bool QV4::PropertyKey::isSymbol() const {
Heap::Base *s = asStringOrSymbol();
return s && !s->internalClass->vtable->isString && s->internalClass->vtable->isStringOrSymbol;
}
bool QV4::PropertyKey::isCanonicalNumericIndexString() const
{
if (isArrayIndex())
return true;
if (isSymbol())
return false;
Heap::String *s = static_cast<Heap::String *>(asStringOrSymbol());
Scope scope(s->internalClass->engine);
ScopedString str(scope, s);
double d = str->toNumber();
if (d == 0. && std::signbit(d))
return true;
ScopedString converted(scope, Value::fromDouble(d).toString(scope.engine));
if (converted->equals(str))
return true;
return false;
}
QString QV4::PropertyKey::toQString() const
{
if (isArrayIndex())
return QString::number(asArrayIndex());
Heap::StringOrSymbol *s = asStringOrSymbol();
Q_ASSERT(s->internalClass->vtable->isStringOrSymbol);
return s->toQString();
}
QV4::Heap::String *QV4::PropertyKey::asFunctionName(ExecutionEngine *engine, FunctionNamePrefix prefix) const
{
QString n;
if (prefix == Getter)
n = QStringLiteral("get ");
else if (prefix == Setter)
n = QStringLiteral("set ");
if (isArrayIndex())
n += QString::number(asArrayIndex());
else {
Heap::StringOrSymbol *s = asStringOrSymbol();
QString str = s->toQString();
if (s->internalClass->vtable->isString)
n += s->toQString();
else if (str.length() > 1)
n += QChar::fromLatin1('[') + str.midRef(1) + QChar::fromLatin1(']');
}
return engine->newString(n);
}
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