| /* |
| * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/text/WTFString.h> |
| |
| #include <QString> |
| |
| namespace WTF { |
| |
| // String conversions |
| String::String(const QString& qstr) |
| { |
| if (qstr.isNull()) |
| return; |
| m_impl = StringImpl::adopt(const_cast<QString&>(qstr).data_ptr()); |
| } |
| |
| String::String(const QStringRef& ref) |
| { |
| if (!ref.string()) |
| return; |
| m_impl = StringImpl::create(reinterpret_cast_ptr<const UChar*>(ref.unicode()), ref.length()); |
| } |
| |
| String::operator QString() const |
| { |
| if (!m_impl) |
| return QString(); |
| |
| if (QStringData* qStringData = m_impl->qStringData()) { |
| // The WTF string was adopted from a QString at some point, so we |
| // can just adopt the QStringData like a regular QString copy. |
| qStringData->ref.ref(); |
| QStringDataPtr qStringDataPointer = { qStringData }; |
| return QString(qStringDataPointer); |
| } |
| |
| if (is8Bit() && !m_impl->has16BitShadow()) { |
| // Asking for characters() of an 8-bit string will make a 16-bit copy internally |
| // in WTF::String. Since we're going to copy the data to QStringData anyways, we |
| // can do the conversion ourselves and save one copy. |
| return QString::fromLatin1(reinterpret_cast<const char*>(characters8()), length()); |
| } |
| |
| return QString(reinterpret_cast<const QChar*>(characters()), length()); |
| } |
| |
| } |
| |
| // vim: ts=4 sw=4 et |
