UrlValueConverter
using AngleSharp.Dom.Css;
using AngleSharp.Extensions;
using AngleSharp.Parser.Css;
using System.Collections.Generic;
namespace AngleSharp.Css.ValueConverters
{
internal sealed class UrlValueConverter : IValueConverter
{
private sealed class UrlValue : IPropertyValue
{
private readonly string _value;
private readonly CssValue _original;
public string CssText => _value.CssUrl();
public CssValue Original => _original;
public UrlValue(string value, IEnumerable<CssToken> tokens)
{
_value = value;
_original = new CssValue(tokens);
}
public CssValue ExtractFor(string name)
{
return _original;
}
}
public IPropertyValue Convert(IEnumerable<CssToken> value)
{
string text = value.ToUri();
if (text == null)
return null;
return new UrlValue(text, value);
}
public IPropertyValue Construct(CssProperty[] properties)
{
return properties.Guard<UrlValue>();
}
}
}