[Experimental] CSSSerializer Proof-of-concept

third_party/WebKit/Source/core/css/CSSQuadValue.cpp

 // Copyright 2014 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.
 
 #include "core/css/CSSQuadValue.h"
 
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
+PassRefPtrWillBeRawPtr<CSSQuadValue> CSSQuadValue::deserializeAfterDispatch(CSSDeserializeStream* stream)
+{
+    SerializationType serializationType = static_cast<SerializationType>(stream->readBool());
+    RefPtrWillBeRawPtr<CSSValue> top = CSSValue::deserialize(stream);
+    RefPtrWillBeRawPtr<CSSValue> right = CSSValue::deserialize(stream);
+    RefPtrWillBeRawPtr<CSSValue> left = CSSValue::deserialize(stream);
+    RefPtrWillBeRawPtr<CSSValue> bottom = CSSValue::deserialize(stream);
+    return create(
+        toCSSPrimitiveValue(top.get()),
+        toCSSPrimitiveValue(right.get()),
+        toCSSPrimitiveValue(left.get()),
+        toCSSPrimitiveValue(bottom.get()),
+        serializationType);
+}
+
 String CSSQuadValue::customCSSText() const
 {
     String top = m_top->cssText();
     String right = m_right->cssText();
     String bottom = m_bottom->cssText();
     String left = m_left->cssText();
 
     if (m_serializationType == SerializationType::SerializeAsRect)
         return "rect(" + top + ' ' + right + ' ' + bottom + ' ' + left + ')';
 
     StringBuilder result;
     // reserve space for the four strings, plus three space separator characters.
     result.reserveCapacity(top.length() + right.length() + bottom.length() + left.length() + 3);
     result.append(top);
     if (right != top || bottom != top || left != top) {
         result.append(' ');
         result.append(right);
         if (bottom != top || right != left) {
             result.append(' ');
             result.append(bottom);
             if (left != right) {
                 result.append(' ');
                 result.append(left);
             }
         }
     }
     return result.toString();
 }
 
+void CSSQuadValue::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    stream->writeBool(m_serializationType);
+    m_top->serialize(stream);
+    m_right->serialize(stream);
+    m_bottom->serialize(stream);
+    m_left->serialize(stream);
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(CSSQuadValue)
 {
     visitor->trace(m_top);
     visitor->trace(m_right);
     visitor->trace(m_bottom);
     visitor->trace(m_left);
     CSSValue::traceAfterDispatch(visitor);
 }
 
 }