stringcf.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/**
 * Copyright (C) 2006 Apple Computer, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"
#include "PlatformString.h"

#if PLATFORM(CF) || (PLATFORM(QT) && PLATFORM(DARWIN))

#include <CoreFoundation/CoreFoundation.h>

namespace WebCore {

String::String(CFStringRef str)
{
    if (!str)
        return;

    CFIndex size = CFStringGetLength(str);
    if (size == 0)
        m_impl = StringImpl::empty();
    else {
        Vector<UChar, 1024> buffer(size);
        CFStringGetCharacters(str, CFRangeMake(0, size), (UniChar*)buffer.data());
        m_impl = StringImpl::create(buffer.data(), size);
    }
}

CFStringRef String::createCFString() const
{
    if (!m_impl)
        return CFSTR("");

    return m_impl->createCFString();
}

}

#endif // PLATFORM(CF) || (PLATFORM(QT) && PLATFORM(DARWIN))