/// <summary>
/// Parses a line from an HTTP request or response message containing a header name and value pair.
/// </summary>
/// <param name="line">A string containing the data to be parsed.</param>
/// <param name="headers">A reference to a <see cref="System.Net.Http.Headers.HttpHeaders"/> collection to which the parsed header will be added.</param>
/// <param name="contentHeaders">A reference to a <see cref="System.Net.Http.Headers.HttpHeaders"/> collection for the message content, to which the parsed header will be added.</param>
private void ParseHeader(string line, System.Net.Http.Headers.HttpHeaders headers, System.Net.Http.Headers.HttpHeaders contentHeaders)
{
//Header format is
//name: value
int headerKeySeparatorIndex = line.IndexOf(":", StringComparison.OrdinalIgnoreCase);
string headerName = line.Substring(0, headerKeySeparatorIndex).Trim();
string headerValue = line.Substring(headerKeySeparatorIndex + 1).Trim();
//Not sure how to determine where request headers and and content headers begin,
//at least not without a known set of headers (general headers first the content headers)
//which seems like a bad way of doing it. So we'll assume if it's a known content header put it there
//else use request headers.
IList <string> values = ParseValues(headerValue);
System.Net.Http.Headers.HttpHeaders headersToAddTo = IsContentHeader(headerName) ? contentHeaders : headers;
if (values.Count > 1)
{
headersToAddTo.TryAddWithoutValidation(headerName, values);
}
else
{
headersToAddTo.TryAddWithoutValidation(headerName, values.First());
}
}