/// <summary>
/// Parses the header string to get a new instance of the <see cref="IfMatchHeader"/> class
/// </summary>
/// <param name="s">The header values to parse</param>
/// <param name="etagComparer">The entity tag comparer used for the <see cref="IsMatch"/> function</param>
/// <returns>The new instance of the <see cref="IfMatchHeader"/> class</returns>
public static IfMatchHeader Parse(IEnumerable <string> s, EntityTagComparer etagComparer)
{
var result = new List <EntityTag>();
foreach (var etag in s)
{
if (etag == "*")
{
return(new IfMatchHeader());
}
result.AddRange(EntityTag.Parse(etag));
}
if (result.Count == 0)
{
return(new IfMatchHeader());
}
return(new IfMatchHeader(result, etagComparer));
}
