MediaTypeWithQualityHeaderValue.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Net.Http.Headers;
 
public sealed class MediaTypeWithQualityHeaderValue : MediaTypeHeaderValue, ICloneable
{
    public double? Quality
    {
        get
        {
            return HeaderUtilities.GetQuality((ObjectCollection<NameValueHeaderValue>)base.Parameters);
        }
        set
        {
            HeaderUtilities.SetQuality((ObjectCollection<NameValueHeaderValue>)base.Parameters, value);
        }
    }
 
    internal MediaTypeWithQualityHeaderValue()
    {
    }
 
    public MediaTypeWithQualityHeaderValue(string mediaType)
        : base(mediaType)
    {
    }
 
    public MediaTypeWithQualityHeaderValue(string mediaType, double quality)
        : base(mediaType)
    {
        Quality = quality;
    }
 
    private MediaTypeWithQualityHeaderValue(MediaTypeWithQualityHeaderValue source)
        : base(source)
    {
    }
 
    object ICloneable.Clone()
    {
        return new MediaTypeWithQualityHeaderValue(this);
    }
 
    public new static MediaTypeWithQualityHeaderValue Parse(string? input)
    {
        int index = 0;
        return (MediaTypeWithQualityHeaderValue)MediaTypeHeaderParser.SingleValueWithQualityParser.ParseValue(input, null, ref index);
    }
 
    public static bool TryParse([NotNullWhen(true)] string? input, [NotNullWhen(true)] out MediaTypeWithQualityHeaderValue? parsedValue)
    {
        int index = 0;
        parsedValue = null;
        if (MediaTypeHeaderParser.SingleValueWithQualityParser.TryParseValue(input, null, ref index, out var parsedValue2))
        {
            parsedValue = (MediaTypeWithQualityHeaderValue)parsedValue2;
            return true;
        }
        return false;
    }
}