Allow defining named grid lines on the grid element

Source/core/css/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 2221 matching lines @@
 
     GridLength minTrackBreadth;
     GridLength maxTrackBreadth;
     if (!createGridTrackBreadth(minMaxTrackBreadth->first(), state, minTrackBreadth) || !createGridTrackBreadth(minMaxTrackBreadth->second(), state, maxTrackBreadth))
         return false;
 
     trackSize.setMinMax(minTrackBreadth, maxTrackBreadth);
     return true;
 }
 
-static bool createGridTrackList(CSSValue* value, Vector<GridTrackSize>& trackSizes, const StyleResolverState& state)
+static bool createGridTrackList(CSSValue* value, Vector<GridTrackSize>& trackSizes, NamedGridLinesMap& namedGridLines, const StyleResolverState& state)
 {
     // Handle 'none'.
     if (value->isPrimitiveValue()) {
         CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
         return primitiveValue->getIdent() == CSSValueNone;
     }
 
     if (!value->isValueList())
         return false;
 
+    size_t currentNamedGridLine = 0;
     for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
         CSSValue* currValue = i.value();
+        if (currValue->isPrimitiveValue()) {
+            CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(currValue);
+            if (primitiveValue->isString()) {
+                NamedGridLinesMap::AddResult result = namedGridLines.add(primitiveValue->getStringValue(), Vector<size_t>());
+                result.iterator->value.append(currentNamedGridLine);
+                continue;
+            }
+        }
+
+        ++currentNamedGridLine;
         GridTrackSize trackSize;
         if (!createGridTrackSize(currValue, trackSize, state))
             return false;
 
         trackSizes.append(trackSize);
     }
+
+    if (trackSizes.isEmpty())
+        return false;
+
     return true;
 }
 
 
 static bool createGridPosition(CSSValue* value, GridPosition& position)
 {
     // For now, we only accept: 'auto' | <integer> | span && <integer>?
     if (value->isPrimitiveValue()) {
         CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
         if (primitiveValue->getIdent() == CSSValueAuto)
@@ skipping 643 matching lines @@
     }
     case CSSPropertyWebkitGridAutoRows: {
         GridTrackSize trackSize;
         if (!createGridTrackSize(value, trackSize, state))
             return;
         state.style()->setGridAutoRows(trackSize);
         return;
     }
     case CSSPropertyWebkitGridColumns: {
         Vector<GridTrackSize> trackSizes;
-        if (!createGridTrackList(value, trackSizes, state))
+        NamedGridLinesMap namedGridLines;
+        if (!createGridTrackList(value, trackSizes, namedGridLines, state))
             return;
         state.style()->setGridColumns(trackSizes);
+        state.style()->setNamedGridColumnLines(namedGridLines);
         return;
     }
     case CSSPropertyWebkitGridRows: {
         Vector<GridTrackSize> trackSizes;
-        if (!createGridTrackList(value, trackSizes, state))
+        NamedGridLinesMap namedGridLines;
+        if (!createGridTrackList(value, trackSizes, namedGridLines, state))
             return;
         state.style()->setGridRows(trackSizes);
+        state.style()->setNamedGridRowLines(namedGridLines);
         return;
     }
 
     case CSSPropertyWebkitGridStart: {
         HANDLE_INHERIT_AND_INITIAL(gridStart, GridStart);
         GridPosition startPosition;
         if (!createGridPosition(value, startPosition))
             return;
         state.style()->setGridStart(startPosition);
         return;
@@ skipping 1349 matching lines @@
     info.addMember(m_state, "state");
 
     // FIXME: move this to a place where it would be called only once?
     info.addMember(CSSDefaultStyleSheets::defaultStyle, "defaultStyle");
     info.addMember(CSSDefaultStyleSheets::defaultQuirksStyle, "defaultQuirksStyle");
     info.addMember(CSSDefaultStyleSheets::defaultPrintStyle,"defaultPrintStyle");
     info.addMember(CSSDefaultStyleSheets::defaultViewSourceStyle, "defaultViewSourceStyle");
 }
 
 } // namespace WebCore