using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssColumnGapProperty : CssProperty, ICssColumnGapProperty, ICssProperty { internal static readonly Length Default = new Length(1, Length.Unit.Em); internal static readonly IValueConverter<Length> Converter = Converters.LengthConverter.Or(Keywords.Normal, Default); private Length _gap; public Length Gap => _gap; internal CssColumnGapProperty(CssStyleDeclaration rule) : base(PropertyNames.ColumnGap, rule, PropertyFlags.Animatable) { Reset(); } public void SetGap(Length gap) { _gap = gap; } internal override void Reset() { _gap = Default; } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, SetGap); } } }