// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2016 Apple Inc. All rights reserved.
//
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#pragma once

#include "CSSParserToken.h"
#include "CSSParserTokenRange.h"
#include "CSSRegisteredCustomProperty.h"
#include <wtf/HashSet.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class CSSParserTokenRange;

class CSSVariableData : public RefCounted<CSSVariableData> {
    WTF_MAKE_NONCOPYABLE(CSSVariableData);
    WTF_MAKE_FAST_ALLOCATED;
public:
    static Ref<CSSVariableData> create(const CSSParserTokenRange& range)
    {
        return adoptRef(*new CSSVariableData(range));
    }

    CSSParserTokenRange tokenRange() { return m_tokens; }

    const Vector<CSSParserToken>& tokens() const { return m_tokens; }

    bool operator==(const CSSVariableData& other) const;

private:
    CSSVariableData(const CSSParserTokenRange&);
    template<typename CharacterType> void updateTokens(const CSSParserTokenRange&);

    String m_backingString;
    Vector<CSSParserToken> m_tokens;

    // FIXME-NEWPARSER: We want to cache StyleProperties once we support @apply.
};

} // namespace WebCore