using AngleSharp.Css; using AngleSharp.Css.Values; using AngleSharp.Extensions; using System; using System.Collections.Generic; namespace AngleSharp.Dom.Css { internal sealed class CssListStyleProperty : CssShorthandProperty, ICssListStyleProperty, ICssProperty, ICssListStyleImageProperty, ICssListStylePositionProperty, ICssListStyleTypeProperty { internal static readonly IValueConverter<Tuple<ListStyle, ListPosition, IImageSource>> Converter = Converters.WithAny(CssListStyleTypeProperty.Converter.Option(CssListStyleTypeProperty.Default), CssListStylePositionProperty.Converter.Option(CssListStylePositionProperty.Default), CssListStyleImageProperty.Converter.Option(CssListStyleImageProperty.Default)); private readonly CssListStyleTypeProperty _type; private readonly CssListStyleImageProperty _image; private readonly CssListStylePositionProperty _position; public ListStyle Style => _type.Style; public IImageSource Image => _image.Image; public ListPosition Position => _position.Position; internal CssListStyleProperty(CssStyleDeclaration rule) : base(PropertyNames.ListStyle, rule, PropertyFlags.Inherited) { _type = Get<CssListStyleTypeProperty>(); _image = Get<CssListStyleImageProperty>(); _position = Get<CssListStylePositionProperty>(); } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, delegate(Tuple<ListStyle, ListPosition, IImageSource> m) { _type.SetStyle(m.Item1); _position.SetPosition(m.Item2); _image.SetImage(m.Item3); }); } internal override string SerializeValue(IEnumerable<CssProperty> properties) { if (!IsComplete(properties)) return string.Empty; return string.Format("{0} {1} {2}", new object[3] { _type.SerializeValue(), _image.SerializeValue(), _position.SerializeValue() }); } } }