using AngleSharp.Parser.Css; namespace AngleSharp.Dom.Css { internal abstract class CssGroupingRule : CssRule, ICssGroupingRule, ICssRule { private readonly CssRuleList _rules; public CssRuleList Rules => _rules; ICssRuleList ICssGroupingRule.Rules { get { return _rules; } } internal CssGroupingRule(CssRuleType type) : base(type) { _rules = new CssRuleList(); } protected override void ReplaceWith(ICssRule rule) { CssGroupingRule cssGroupingRule = (CssGroupingRule)rule; _rules.Clear(); _rules.Import(cssGroupingRule._rules, base.Owner, base.Parent); } public int Insert(string rule, int index) { CssRule value = CssParser.ParseRule(rule, null); _rules.Insert(value, index, base.Owner, this); return index; } public void RemoveAt(int index) { _rules.RemoveAt(index); } } }