/****************************************************************************
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** this package.
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** GNU Lesser General Public License Usage
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** 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
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****************************************************************************/

#include <private/qcore_mac_p.h>
#include <new>
#include "qvarlengtharray.h"

QT_BEGIN_NAMESPACE

QString QCFString::toQString(CFStringRef str)
{
    if(!str)
        return QString();
    CFIndex length = CFStringGetLength(str);
    const UniChar *chars = CFStringGetCharactersPtr(str);
    if (chars)
        return QString(reinterpret_cast<const QChar *>(chars), length);

    QVarLengthArray<UniChar> buffer(length);
    CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data());
    return QString(reinterpret_cast<const QChar *>(buffer.constData()), length);
}

QCFString::operator QString() const
{
    if (string.isEmpty() && type)
        const_cast<QCFString*>(this)->string = toQString(type);
    return string;
}

CFStringRef QCFString::toCFStringRef(const QString &string)
{
    return CFStringCreateWithCharacters(0, reinterpret_cast<const UniChar *>(string.unicode()),
                                        string.length());
}

QCFString::operator CFStringRef() const
{
    if (!type)
        const_cast<QCFString*>(this)->type = toCFStringRef(string);
    return type;
}

QT_END_NAMESPACE
