[Experimental] CSSSerializer Proof-of-concept

third_party/WebKit/Source/core/css/CSSPrimitiveValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 183 matching lines @@
     }
     static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> create(const Length& value, float zoom)
     {
         return adoptRefWillBeNoop(new CSSPrimitiveValue(value, zoom));
     }
     template<typename T> static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> create(T value)
     {
         static_assert(!std::is_same<T, CSSValueID>::value, "Do not call create() with a CSSValueID; call createIdentifier() instead");
         return adoptRefWillBeNoop(new CSSPrimitiveValue(value));
     }
+    static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> deserialize(CSSDeserializeStream*);
+    static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> deserializeAfterDispatch(CSSDeserializeStream*);
 
     ~CSSPrimitiveValue();
 
     UnitType typeWithCalcResolved() const;
 
     double computeDegrees() const;
     double computeSeconds() const;
 
     // Computes a length in pixels, resolving relative lengths
     template<typename T> T computeLength(const CSSToLengthConversionData&) const;
@@ skipping 19 matching lines @@
 
     DECLARE_TRACE_AFTER_DISPATCH();
 
     static UnitType canonicalUnitTypeForCategory(UnitCategory);
     static double conversionToCanonicalUnitsScaleFactor(UnitType);
 
     // Returns true and populates lengthUnitType, if unitType is a length unit. Otherwise, returns false.
     static bool unitTypeToLengthUnitType(UnitType, LengthUnitType&);
     static UnitType lengthUnitTypeToUnitType(LengthUnitType);
 
+    void serializeAfterDispatch(CSSSerializeStream*) const;
+
 private:
     CSSPrimitiveValue(CSSValueID);
     CSSPrimitiveValue(const Length&, float zoom);
     CSSPrimitiveValue(double, UnitType);
 
     template<typename T> CSSPrimitiveValue(T); // Defined in CSSPrimitiveValueMappings.h
     template<typename T> CSSPrimitiveValue(T* val)
         : CSSValue(PrimitiveClass)
     {
         init(PassRefPtrWillBeRawPtr<T>(val));
@@ skipping 18 matching lines @@
     inline UnitType type() const { return static_cast<UnitType>(m_primitiveUnitType); }
 
     union {
         CSSValueID valueID;
         double num;
         // FIXME: oilpan: Should be a member, but no support for members in unions. Just trace the raw ptr for now.
         CSSCalcValue* calc;
     } m_value;
 };
 
+template<>
+class CSSSerializeTrait<CSSPrimitiveValue> : public CSSSerializeTrait<CSSValue> {};
+template<>
+class CSSDeserializeTrait<CSSPrimitiveValue> : public CSSDeserializeTrait<CSSValue> {};
+
 using CSSLengthArray = CSSPrimitiveValue::CSSLengthArray;
 using CSSLengthTypeArray = CSSPrimitiveValue::CSSLengthTypeArray;
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSPrimitiveValue, isPrimitiveValue());
 
 } // namespace blink
 
 #endif // CSSPrimitiveValue_h