private bool TrySaveToParent(Part part, out Part parent)
{
if (_stack.Count == 0) {
parent = null;
return false;
}
var parent_ = _stack.Peek();
parent_.Children.Add(part);
parent = parent_;
return true;
}
private static void ProcessChild(MessageInfo message, Part current, string token, int sn, string original)
{
if (current is BodyPart) {
var body = (BodyPart) current;
switch (body.BodyType.ToLower()) {
case "text":
AddView(message, current as BodyPart, token, sn);
break;
case "audio":
case "video":
case "image":
case "application":
AddAttachment(message, current as BodyPart, token, sn);
break;
case "message":
if (body.SubType.ToLower() == "rfc822") {
AddNestedMessage(message, body, token, sn, original);
return;
}
AddView(message, current as BodyPart, token, sn);
break;
default:
AddView(message, current as BodyPart, token, sn);
break;
}
}
var i = 0;
foreach (var child in current.Children) {
i += 1;
var childToken = (token + "." + i).TrimStart('.');
ProcessChild(message, child, childToken, sn, original);
}
}
private void PushPart(Part part)
{
if (_stack.Count == 0) {
Root = part;
}
_stack.Push(part);
}
internal static MessageInfo FromBodyPart(Part part, int sn, string original)
{
var rootToken = string.Empty;
var message = new MessageInfo {SequenceNumber = sn, Token = rootToken, OriginalString = original};
if (part is BodyPart) {
var body = (BodyPart) part;
switch (body.BodyType.ToLower()) {
case "text":
AddView(message, part as BodyPart, rootToken, sn);
break;
case "audio":
case "video":
case "image":
case "application":
AddAttachment(message, part as BodyPart, rootToken, sn);
break;
case "message":
if (body.SubType == "rfc822") {
AddNestedMessage(message, part as BodyPart, rootToken, sn, original);
} else {
AddView(message, part as BodyPart, rootToken, sn);
}
break;
default:
AddView(message, part as BodyPart, string.Empty, sn);
break;
}
}
var i = 0;
foreach (var child in part.Children) {
i += 1;
ProcessChild(message, child, i.ToString(), sn, original);
}
return message;
}
