private static CssAttributeSelector[] ParseAttributeSelectors(CssStringStreamReader reader)
{
var selectors = new List <CssAttributeSelector>();
while (reader.CurrentChar == '[')
{
reader.Advance();
if (!reader.TryReadIdentifier(out var name) || !reader.TryReadCssAttributeSelectorOperation(out var op))
{
return(null);
}
var value = string.Empty;
var wasString = false;
if (op != CssAttributeSelectorOperation.Has)
{
if (!reader.TryReadIdentifierOrString(out value, out wasString))
{
return(null);
}
}
reader.SkipWhitespaceAndComments();
var explicitIgnoreCase = reader.CurrentChar == 'i';
if (explicitIgnoreCase)
{
reader.Advance();
reader.SkipWhitespaceAndComments();
}
if (reader.CurrentChar != ']')
{
return(null);
}
reader.Advance();
var valueType = wasString ? CssAttributeSelectorValueType.String : CssAttributeSelectorValueType.Identifier;
selectors.Add(new CssAttributeSelector(name, value, op, valueType, explicitIgnoreCase));
}
return(selectors.ToArray());
}
){kind=link}