[css-align] Implement place-items alignment shorthand

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

 // 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.
 
 #include "core/css/parser/CSSPropertyParser.h"
 
 #include <memory>
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSBasicShapeValues.h"
 #include "core/css/CSSBorderImage.h"
@@ skipping 3286 matching lines @@
   if (!m_range.atEnd())
     return false;
 
   addProperty(CSSPropertyAlignContent, CSSPropertyPlaceContent,
               *alignContentValue, important);
   addProperty(CSSPropertyJustifyContent, CSSPropertyPlaceContent,
               *justifyContentValue, important);
   return true;
 }
 
+bool CSSPropertyParser::consumePlaceItemsShorthand(bool important) {
+  DCHECK(RuntimeEnabledFeatures::cssGridLayoutEnabled());
+  DCHECK_EQ(shorthandForProperty(CSSPropertyPlaceContent).length(),
+            static_cast<unsigned>(2));
+
+  // align-items property does not allow the 'auto' value.
+  if (identMatches<CSSValueAuto>(m_range.peek().id()))
+    return false;
+
+  CSSValue* alignItemsValue =
+      CSSPropertyAlignmentUtils::consumeSimplifiedItemPosition(m_range);
+  if (!alignItemsValue)
+    return false;
+  CSSValue* justifyItemsValue =
+      m_range.atEnd()
+          ? alignItemsValue
+          : CSSPropertyAlignmentUtils::consumeSimplifiedItemPosition(m_range);
+  if (!justifyItemsValue)
+    return false;
+
+  if (!m_range.atEnd())
+    return false;
+
+  addProperty(CSSPropertyAlignItems, CSSPropertyPlaceItems, *alignItemsValue,
+              important);
+  addProperty(CSSPropertyJustifyItems, CSSPropertyPlaceItems,
+              *justifyItemsValue, important);
+  return true;
+}
+
 bool CSSPropertyParser::parseShorthand(CSSPropertyID unresolvedProperty,
                                        bool important) {
   CSSPropertyID property = resolveCSSPropertyID(unresolvedProperty);
 
   // Gets the parsing method for our current property from the property API.
   // If it has been implemented, we call this method, otherwise we manually
   // parse this value in the switch statement below. As we implement APIs for
   // other properties, those properties will be taken out of the switch
   // statement.
   const CSSPropertyDescriptor& cssPropertyDesc =
@@ skipping 241 matching lines @@
     case CSSPropertyGridRow:
       return consumeGridItemPositionShorthand(property, important);
     case CSSPropertyGridArea:
       return consumeGridAreaShorthand(important);
     case CSSPropertyGridTemplate:
       return consumeGridTemplateShorthand(CSSPropertyGridTemplate, important);
     case CSSPropertyGrid:
       return consumeGridShorthand(important);
     case CSSPropertyPlaceContent:
       return consumePlaceContentShorthand(important);
+    case CSSPropertyPlaceItems:
+      return consumePlaceItemsShorthand(important);
     default:
       return false;
   }
 }
 
 }  // namespace blink