LogLine CreateLine(string[] columns)
{
LogLine line = null;
var type = columns[0].Sanitize();
switch (type)
{
case SMTPDaemonLine.LINE_TYPE:
line = new SMTPDaemonLine();
break;
case SMTPClientLine.LINE_TYPE:
line = new SMTPClientLine();
break;
case TCPIPLine.LINE_TYPE:
line = new TCPIPLine();
break;
case ApplicationLine.LINE_TYPE:
line = new ApplicationLine();
break;
case POP3DaemonLine.LINE_TYPE:
line = new POP3DaemonLine();
break;
default:
line = new UnknownLine();
break;
}
line.Parse(columns);
return(line);
}
//外から見えるのはここだけ
/// <summary>
/// 一行分のTokenCollectionからLogicalLineを作成する
/// </summary>
/// <param defaultName="parser"></param>
/// <returns></returns>
internal static LogicalLine GetCodeToken(TokenCollection stream)
{
if (stream == null)
{
return(null);
}
if (stream.Count == 0)
{
return(null);
}
if (stream.NextIsEndOfStream)
{
return(null);
}
LogicalLine line = null;
try
{
if (stream.NextToken is IfStatementPrimitive) //if, else行
{
return((LogicalLine)readIf(stream));
}
if (stream.NextToken is McallFunctionPrimitive) //on行
{
return((LogicalLine)readMcall(stream));
}
if (stream.NextToken is OnEventFunctionPrimitive)
{ //on###行
if (stream.NextNextTokenIsGotoFunction) //goto/gosubがないなら
{
return((LogicalLine)readOnEvent(stream));
}
else
{
return((LogicalLine)readCommand(stream));
}
}
if (stream.NextToken is OnFunctionPrimitive) //on行
{
return((LogicalLine)readOn(stream));
}
if (stream.NextToken is FunctionPrimitive) //その他の関数
{
return((LogicalLine)readCommand(stream));
}
if (stream.NextToken is VariablePrimitive) //代入行
{
return((LogicalLine)readAssignment(stream));
}
}
//ここでHspLogicalLineExceptionをcatchする。他のところでは行ってはならない
catch (HspLogicalLineException e)
{
line = new UnknownLine(stream.Primitives);
line.AddError(e.Message);
return(line);
}
line = new UnknownLine(stream.Primitives);
line.AddError("？行：先頭の単語が解釈できない");
return(line);
}
