using System.IO; namespace AngleSharp.Dom.Css { internal sealed class DeclarationCondition : CssNode, IConditionFunction, ICssNode, IStyleFormattable { private readonly CssProperty _property; private readonly CssValue _value; public DeclarationCondition(CssProperty property, CssValue value) { _property = property; _value = value; } public bool Check() { if (!(_property is CssUnknownProperty)) return _property.TrySetValue(_value); return false; } public override void ToCss(TextWriter writer, IStyleFormatter formatter) { writer.Write("("); writer.Write(formatter.Declaration(_property.Name, _value.CssText, _property.IsImportant)); writer.Write(")"); } } }