/// <summary>
/// Returns parsed IMAP SEARCH <b>SENTBEFORE (string)</b> key.
/// </summary>
/// <param name="r">String reader.</param>
/// <returns>Returns parsed IMAP SEARCH <b>SENTBEFORE (string)</b> key.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>r</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when parsing fails.</exception>
internal static IMAP_Search_Key_SentBefore Parse(StringReader r)
{
if (r == null)
{
throw new ArgumentNullException("r");
}
string word = r.ReadWord();
if (!string.Equals(word, "SENTBEFORE", StringComparison.InvariantCultureIgnoreCase))
{
throw new ParseException("Parse error: Not a SEARCH 'SENTBEFORE' key.");
}
string value = r.ReadWord();
if (value == null)
{
throw new ParseException("Parse error: Invalid 'SENTBEFORE' value.");
}
DateTime date;
try{
date = IMAP_Utils.ParseDate(value);
}
catch {
throw new ParseException("Parse error: Invalid 'SENTBEFORE' value.");
}
return(new IMAP_Search_Key_SentBefore(date));
}
