/*
 * Copyright (C) 2021 Apple Inc. 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.
 */

#pragma once

#include <wtf/Forward.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

struct ParsedTextDirective {
    String textStart;
    String textEnd;
    String prefix;
    String suffix;
};

class FragmentDirectiveParser {
public:
    WEBCORE_EXPORT explicit FragmentDirectiveParser(StringView);
    
    const Vector<ParsedTextDirective>& parsedTextDirectives() const { return m_parsedTextDirectives; };
    StringView fragmentDirective() const { return m_fragmentDirective; };
    StringView remainingURLFragment() const { return m_remainingURLFragment; };
    bool isValid() const { return  m_isValid; };
    
private:
    FragmentDirectiveParser() = delete;
    void parseFragmentDirective(StringView);
    
    Vector<ParsedTextDirective> m_parsedTextDirectives;
    StringView m_remainingURLFragment;
    StringView m_fragmentDirective;
    bool m_isValid { false };
};

} // namespace WebCore
