IdentifierValueConverter<T>
using AngleSharp.Dom.Css;
using AngleSharp.Extensions;
using AngleSharp.Parser.Css;
using System.Collections.Generic;
namespace AngleSharp.Css.ValueConverters
{
internal sealed class IdentifierValueConverter<T> : IValueConverter
{
private sealed class IdentifierValue : IPropertyValue
{
private readonly string _identifier;
private readonly T _value;
private readonly CssValue _original;
public string CssText => _identifier;
public CssValue Original => _original;
public IdentifierValue(string identifier, T value, IEnumerable<CssToken> tokens)
{
_identifier = identifier;
_value = value;
_original = new CssValue(tokens);
}
public CssValue ExtractFor(string name)
{
return _original;
}
}
private readonly string _identifier;
private readonly T _result;
public IdentifierValueConverter(string identifier, T result)
{
_identifier = identifier;
_result = result;
}
public IPropertyValue Convert(IEnumerable<CssToken> value)
{
if (!value.Is(_identifier))
return null;
return new IdentifierValue(_identifier, _result, value);
}
public IPropertyValue Construct(CssProperty[] properties)
{
return PropertyExtensions.Guard<IdentifierValue>(properties);
}
}
}