// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2016 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:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
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// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the names of its
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//
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#pragma once

#include "CSSParserTokenRange.h"
#include <wtf/RefPtr.h>
#include <wtf/text/AtomString.h>

namespace WebCore {

class CSSCustomPropertyValue;
struct CSSParserContext;

class CSSVariableParser {
public:
    static bool containsValidVariableReferences(CSSParserTokenRange, const CSSParserContext&);

    static RefPtr<CSSCustomPropertyValue> parseDeclarationValue(const AtomString&, CSSParserTokenRange, const CSSParserContext&);

    static bool isValidVariableName(const CSSParserToken&);
    static bool isValidVariableName(const String&);
};

} // namespace WebCore