using AngleSharp.Css; using AngleSharp.Extensions; using System; using System.Collections.Generic; namespace AngleSharp.Dom.Css { internal sealed class CssBorderStyleProperty : CssShorthandProperty, ICssBorderStylesProperty, ICssProperty { internal static readonly IValueConverter<Tuple<ICssValue, ICssValue, ICssValue, ICssValue>> Converter = CssBorderPartStyleProperty.Converter.Val().Periodic(); private readonly CssBorderTopStyleProperty _top; private readonly CssBorderRightStyleProperty _right; private readonly CssBorderBottomStyleProperty _bottom; private readonly CssBorderLeftStyleProperty _left; public LineStyle Top => _top.Style; public LineStyle Right => _right.Style; public LineStyle Bottom => _bottom.Style; public LineStyle Left => _left.Style; internal CssBorderStyleProperty(CssStyleDeclaration rule) : base(PropertyNames.BorderStyle, rule, PropertyFlags.None) { _top = Get<CssBorderTopStyleProperty>(); _right = Get<CssBorderRightStyleProperty>(); _bottom = Get<CssBorderBottomStyleProperty>(); _left = Get<CssBorderLeftStyleProperty>(); } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, delegate(Tuple<ICssValue, ICssValue, ICssValue, ICssValue> m) { _top.TrySetValue(m.Item1); _right.TrySetValue(m.Item2); _bottom.TrySetValue(m.Item3); _left.TrySetValue(m.Item4); }); } internal override string SerializeValue(IEnumerable<CssProperty> properties) { if (!IsComplete(properties)) return string.Empty; return CssShorthandProperty.SerializePeriodic(_top, _right, _bottom, _left); } } }