internal eRETURN Expect(char c)
{
eRETURN rc = eRETURN.OK;
Trace.Write("Expect " + c + "\t");
TreeNode tn;
if ((tn = tree.Find(depth, c)) != null)
{
depth++;
if (tn.Last)
{
depth = 0;
rc = eRETURN.DECODED;
}
}
else
{
depth--;
if (depth < 0)
{
depth = 0;
}
rc = eRETURN.ERROR;
}
return(rc);
}
public void TestAddChildren()
{
Parser p = new Parser(codes);
String tests = "I22dABAABACEFACDF123I22dAB";
char[] bTest = tests.ToCharArray();
for (int i = 0; i < tests.Length; i++)
{
eRETURN er = p.Parse(bTest[i]);
if (i == 1)
{
Assert.AreEqual(er, eRETURN.DECODED);
}
Trace.WriteLine(Environment.NewLine + i + "\t" + er.ToString());
}
}
public eRETURN Parse(char c)
{
eRETURN er = Expect(c);
qChars.Enqueue(c);
switch (er)
{
case eRETURN.DECODED:
qChars.Clear();
Trace.WriteLine("Parser successfull !");
break;
case eRETURN.ERROR:
Trace.Write("ERROR !\t");
qChars.Dequeue();
while (qChars.Count > 0)
{
Trace.WriteLine("Try again!");
Parse(qChars.Dequeue());
}
break;
default:
switch (sDecode)
{
case eDecode.IDLE:
if (c == '%')
{
sDecode = eDecode.TYPE;
}
break;
case eDecode.TYPE:
type = c;
sDecode = eDecode.LENGTH;
break;
case eDecode.LENGTH:
if (!int.TryParse(c.ToString(), out length))
{
sDecode = eDecode.IDLE;
qChars.Clear();
Trace.WriteLine("Couldn't decode : " + c);
}
else
{
sDecode = eDecode.DECODING;
index = 0;
}
break;
case eDecode.DECODING:
value[index++] = (byte)c;
if (index >= length)
{
switch (type)
{
case 'd':
BitConverter.ToUInt16(value, 0);
break;
case 'f':
throw new NotImplementedException("Float");
break;
default:
throw new NotImplementedException("Type:" + type);
break;
}
sDecode = eDecode.IDLE;
}
break;
default:
break;
}
break;
}
return(er);
}
