CSS Custom Properties (Variables)

Source/core/css/CSSVariableReferenceValue.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CSSVariableReferenceValue_h
+#define CSSVariableReferenceValue_h
+
+#include "core/css/CSSValue.h"
+
+#include "wtf/text/AtomicString.h"
+
+namespace blink {
+
+class CSSVariableReferenceValue : public CSSValue {
+public:
+    static PassRefPtrWillBeRawPtr<CSSVariableReferenceValue> create(const AtomicString& name, const AtomicString& value)
+    {
+        return adoptRefWillBeNoop(new CSSVariableReferenceValue(name, value));
+    }
+    const AtomicString& name() const { return m_name; }
+    const AtomicString& value() const { return m_value; }
+    bool equals(const CSSVariableReferenceValue& other) const { return m_name == other.m_name && m_value == other.m_value; }
+    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
+private:
+    CSSVariableReferenceValue(const AtomicString& name, const AtomicString& value)
+        : CSSValue(VariableClass)
+            , m_name(name)
+        , m_value(value)
+    {
+    }
+
+    // Substring of stylesheet the tokens reference.
+    String m_string;
+    // Escape strings
+    Vector<String> m_stringPool;
+    Vector<CSSParserToken> m_tokens;
+};
+
+DEFINE_CSS_VALUE_TYPE_CASTS(CSSVariableReferenceValue, isVariableValue());
+
+} // namespace blink
+
+#endif // CSSVariableReferenceValue_h