/// <summary>
/// merge the duplicate route infos
/// </summary>
/// <param name="infos"></param>
/// <returns></returns>
public static List <MailRouteInfo> Format(IEnumerable <MailRouteInfo> infos)
{
var dictUser2Info = new Dictionary <string, List <string> >();
foreach (var info in infos)
{
if (dictUser2Info.ContainsKey(info.UserName))
{
dictUser2Info[info.UserName].AddRange(info.EntityNames);
}
else
{
var types = new List <string>(info.EntityNames);
dictUser2Info[info.UserName] = types;
}
}
var list = new List <MailRouteInfo>(dictUser2Info.Count);
foreach (var kv in dictUser2Info)
{
var info = new MailRouteInfo(kv.Key, kv.Value.Distinct().ToList());
list.Add(info);
}
return(list);
}
/// <summary>
/// format: type1@Tom;type2@Marry;type3, type4@Jerry
/// </summary>
/// <param name="strInfo"></param>
/// <returns></returns>
public static List <MailRouteInfo> Parse(string strInfo)
{
var dictUser2Info = new Dictionary <string, MailRouteInfo>();
var sb = new StringBuilder(64);
var entityNames = new List <string>(10);
var userNames = new List <string>(10);
var parsingList = entityNames;
for (var i = 0; i <= strInfo.Length; ++i)
{
var chr = i == strInfo.Length ? ';' : strInfo[i]; // sentinel
switch (chr)
{
case ',':
if (sb.Length > 0)
{
parsingList.Add(sb.ToString());
sb.Clear();
}
break;
case '@': // entity@user
if (sb.Length > 0)
{
parsingList.Add(sb.ToString());
sb.Clear();
}
parsingList = userNames; // switch to user-name mode
break;
case ';': // a set of route info
if (sb.Length > 0)
{
parsingList.Add(sb.ToString());
sb.Clear();
}
// create rotue infos
if (userNames.Count > 0 &&
entityNames.Count > 0)
{
foreach (var user in userNames)
{
if (dictUser2Info.ContainsKey(user))
{
dictUser2Info[user].EntityNames.AddRange(entityNames);
}
else
{
dictUser2Info[user] = new MailRouteInfo(user, entityNames);
}
}
}
userNames.Clear(); // reset
entityNames.Clear(); // reset
parsingList = entityNames; // switch to entity-name mode
break;
case ' ': // white chars
case '\t':
case '\r':
case '\n':
break; // ignore
default:
sb.Append(chr);
break;
}
}
var list = dictUser2Info.Values.ToList();
foreach (var info in list)
{
info.EntityNames = info.EntityNames.Distinct().ToList();
}
return(list);
}
public MailRouteInfo(MailRouteInfo copyFrom)
{
this.UserName = copyFrom.UserName;
this.EntityNames = new List <string>(copyFrom.EntityNames);
}
