internal string?GetHeaderValueOrNull(KnownHeader headerName)
{
if (headers.TryGetValue(headerName.String, out var header))
{
return(header.Value);
}
return(null);
}
internal void SetOrAddHeaderValue(KnownHeader headerName, KnownHeader value)
{
if (headers.TryGetValue(headerName.String, out var header))
{
header.SetValue(value);
}
else
{
headers.Add(headerName.String, new HttpHeader(headerName, value));
}
}
/// <summary>
/// removes all headers with given name
/// </summary>
/// <param name="headerName"></param>
/// <returns>
/// True if header was removed
/// False if no header exists with given name
/// </returns>
public bool RemoveHeader(KnownHeader headerName)
{
bool result = headers.Remove(headerName.String);
// do not convert to '||' expression to avoid lazy evaluation
if (nonUniqueHeaders.Remove(headerName.String))
{
result = true;
}
return(result);
}
internal HttpHeader?GetFirstHeader(KnownHeader name)
{
if (headers.TryGetValue(name.String, out var header))
{
return(header);
}
if (nonUniqueHeaders.TryGetValue(name.String, out var h))
{
return(h.FirstOrDefault());
}
return(null);
}
internal void SetOrAddHeaderValue(KnownHeader headerName, string?value)
{
if (value == null)
{
RemoveHeader(headerName);
return;
}
if (headers.TryGetValue(headerName.String, out var header))
{
header.SetValue(value);
}
else
{
headers.Add(headerName.String, new HttpHeader(headerName, value));
}
}
internal void AddHeader(KnownHeader name, KnownHeader value)
{
AddHeader(new HttpHeader(name, value));
}
