// segment incoming string into CAT commands ... handle leftovers from when we read a parial
//
private void ParseString(byte[] rxdata, uint count)
{
if (count == 0)
{
return; // nothing to do
}
int cmd_char_count = 0;
int left_over_char_count = (ParseLeftover == null ? 0 : ParseLeftover.Length);
char[] cmd_chars = new char[count + left_over_char_count];
if (ParseLeftover != null) // seed with leftovers from last read
{
for (int j = 0; j < left_over_char_count; j++) // wjt fixme ... use C# equiv of System.arraycopy
{
cmd_chars[cmd_char_count] = ParseLeftover[j];
++cmd_char_count;
}
ParseLeftover = null;
}
for (int j = 0; j < count; j++) // while we have chars to play with
{
cmd_chars[cmd_char_count] = (char)rxdata[j];
++cmd_char_count;
if (rxdata[j] == ';') // end of cmd -- parse it and execute it
{
string cmdword = new String(cmd_chars, 0, cmd_char_count);
dbgWriteLine("cmdword: >" + cmdword + "<");
// BT 06/08
string answer = parser.Get(cmdword);
byte[] out_string = AE.GetBytes(answer);
uint result = SIO.put(out_string, (uint)out_string.Length);
cmd_char_count = 0; // reset word counter
}
}
// when we get here have processed all of the incoming buffer, if there's anyting
// in cmd_chars we need to save it as we've not pulled a full command so we stuff
// it in leftover for the next time we come through
if (cmd_char_count != 0)
{
ParseLeftover = new char[cmd_char_count];
for (int j = 0; j < cmd_char_count; j++) // wjt fixme ... C# equiv of Sytsem.arraycopy
{
ParseLeftover[j] = cmd_chars[j];
}
}
#if DBG_PRINT
if (ParseLeftover != null)
{
dbgWriteLine("Leftover >" + new String(ParseLeftover) + "<");
}
#endif
return;
}
