/*
 * Copyright (C) 2010 Apple Inc. All rights reserved.
 * Copyright (C) 2010 University of Szeged. All rights reserved.
 *
 * 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
 */

#ifndef StringFunctions_h
#define StringFunctions_h

#include <JavaScriptCore/JSRetainPtr.h>
#include <JavaScriptCore/JavaScript.h>
#include <WebKit/WKRetainPtr.h>
#include <WebKit/WKString.h>
#include <WebKit/WKStringPrivate.h>
#include <WebKit/WKURL.h>
#include <sstream>
#include <string>
#include <wtf/Platform.h>
#include <wtf/StdLibExtras.h>
#include <wtf/Vector.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>

namespace WTR {

// Conversion functions

inline WKRetainPtr<WKStringRef> toWK(JSStringRef string)
{
    return adoptWK(WKStringCreateWithJSString(string));
}

inline WKRetainPtr<WKStringRef> toWK(const JSRetainPtr<JSStringRef>& string)
{
    return toWK(string.get());
}

inline WKRetainPtr<WKStringRef> toWK(const WTF::String& string)
{
    return adoptWK(WKStringCreateWithUTF8CString(string.utf8().data()));
}

inline JSRetainPtr<JSStringRef> toJS(WKStringRef string)
{
    return adopt(WKStringCopyJSString(string));
}

inline JSRetainPtr<JSStringRef> toJS(const WKRetainPtr<WKStringRef>& string)
{
    return toJS(string.get());
}

inline std::string toSTD(WKStringRef string)
{
    size_t bufferSize = WKStringGetMaximumUTF8CStringSize(string);
    auto buffer = std::make_unique<char[]>(bufferSize);
    size_t stringLength = WKStringGetUTF8CString(string, buffer.get(), bufferSize);
    return std::string(buffer.get(), stringLength - 1);
}

inline std::string toSTD(const WKRetainPtr<WKStringRef>& string)
{
    return toSTD(string.get());
}

inline WTF::String toWTFString(WKStringRef string)
{
    size_t bufferSize = WKStringGetMaximumUTF8CStringSize(string);
    auto buffer = std::make_unique<char[]>(bufferSize);
    size_t stringLength = WKStringGetUTF8CStringNonStrict(string, buffer.get(), bufferSize);
    return WTF::String::fromUTF8WithLatin1Fallback(buffer.get(), stringLength - 1);
}
    
inline WTF::String toWTFString(const WKRetainPtr<WKStringRef>& string)
{
    return toWTFString(string.get());
}

} // namespace WTR

#endif // StringFunctions_h