using AngleSharp.Network; using AngleSharp.Parser.Css; namespace AngleSharp.Dom.Css { internal sealed class CssStyleSheet : StyleSheet, ICssStyleSheet, IStyleSheet, IStyleFormattable { private readonly CssRuleList _rules; private readonly TextSource _source; private readonly IConfiguration _config; private ICssRule _ownerRule; public override string Type => MimeTypes.Css; ICssRuleList ICssStyleSheet.Rules { get { return _rules; } } public ICssRule OwnerRule { get { return _ownerRule; } internal set { _ownerRule = value; } } public string CssText => ToCss(); internal CssRuleList Rules => _rules; internal TextSource Source => _source; internal IConfiguration Options => _config; internal CssStyleSheet(IConfiguration config) : this(config, new TextSource(string.Empty)) { } internal CssStyleSheet(IConfiguration config, string source) : this(config, new TextSource(source)) { } internal CssStyleSheet(IConfiguration config, TextSource source) { _source = source; _rules = new CssRuleList(); _config = (config ?? Configuration.Default); } public override string ToCss(IStyleFormatter formatter) { return formatter.Sheet(_rules); } public void RemoveAt(int index) { _rules.RemoveAt(index); } public int Insert(string rule, int index) { CssRule value = CssParser.ParseRule(rule); _rules.Insert(value, index, this, null); return index; } internal void AddRule(CssRule rule) { if (rule != null) _rules.Add(rule, this, null); } } }