using System;
using System.IO;
using System.Collections.Generic;
using System.Text;
using LumiSoft.Net.IMAP.Client;
namespace LumiSoft.Net.IMAP
{
/// <summary>
/// This class represents IMAP SEARCH <b>SEEN</b> key. Defined in RFC 3501 6.4.4.
/// </summary>
/// <remarks>Messages that have the \Seen flag set.</remarks>
public class IMAP_Search_Key_Seen : IMAP_Search_Key
{
/// <summary>
/// Default constructor.
/// </summary>
public IMAP_Search_Key_Seen()
{
}
#region static method Parse
/// <summary>
/// Returns parsed IMAP SEARCH <b>SEEN</b> key.
/// </summary>
/// <param name="r">String reader.</param>
/// <returns>Returns parsed IMAP SEARCH <b>SEEN</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_Seen Parse(StringReader r)
{
if(r == null){
throw new ArgumentNullException("r");
}
string word = r.ReadWord();
if(!string.Equals(word,"SEEN",StringComparison.InvariantCultureIgnoreCase)){
throw new ParseException("Parse error: Not a SEARCH 'SEEN' key.");
}
return new IMAP_Search_Key_Seen();
}
#endregion
#region override method ToString
/// <summary>
/// Returns this as string.
/// </summary>
/// <returns>Returns this as string.</returns>
public override string ToString()
{
return "SEEN";
}
#endregion
#region internal override method ToCmdParts
/// <summary>
/// Stores IMAP search-key command parts to the specified array.
/// </summary>
/// <param name="list">Array where to store command parts.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>list</b> is null reference.</exception>
internal override void ToCmdParts(List<IMAP_Client_CmdPart> list)
{
if(list == null){
throw new ArgumentNullException("list");
}
list.Add(new IMAP_Client_CmdPart(IMAP_Client_CmdPart_Type.Constant,ToString()));
}
#endregion
}
}