public static void FindMatches(StyleMatchingContext context, List <SelectorMatchRecord> matchedSelectors)
{
Debug.Assert(matchedSelectors.Count == 0);
Debug.Assert(context.currentElement != null, "context.currentElement != null");
VisualElement element = context.currentElement;
for (int i = 0; i < context.styleSheetStack.Count; i++)
{
StyleSheet styleSheet = context.styleSheetStack[i];
SelectorMatchRecord record = new SelectorMatchRecord(styleSheet, i);
FastLookup(styleSheet.orderedTypeSelectors, matchedSelectors, context, element.typeName, ref record);
FastLookup(styleSheet.orderedTypeSelectors, matchedSelectors, context, "*", ref record);
if (!string.IsNullOrEmpty(element.name))
{
FastLookup(styleSheet.orderedNameSelectors, matchedSelectors, context, element.name, ref record);
}
foreach (string @class in element.classList)
{
FastLookup(styleSheet.orderedClassSelectors, matchedSelectors, context, @class, ref record);
}
}
}
public static int Compare(SelectorMatchRecord a, SelectorMatchRecord b)
{
int res = a.styleSheetIndexInStack.CompareTo(b.styleSheetIndexInStack);
if (res == 0)
{
res = a.complexSelector.orderInStyleSheet.CompareTo(b.complexSelector.orderInStyleSheet);
}
return(res);
}
static void FastLookup(IDictionary <string, StyleComplexSelector> table, List <SelectorMatchRecord> matchedSelectors, StyleMatchingContext context, string input, ref SelectorMatchRecord record)
{
StyleComplexSelector currentComplexSelector;
if (table.TryGetValue(input, out currentComplexSelector))
{
while (currentComplexSelector != null)
{
if (MatchRightToLeft(context.currentElement, currentComplexSelector, context.processResult))
{
record.complexSelector = currentComplexSelector;
matchedSelectors.Add(record);
}
currentComplexSelector = currentComplexSelector.nextInTable;
}
}
}
