////////////////////////////////////////////////////////////////////////
// reader.cpp : Implementation of class CReader
//
// $Log: reader.cpp,v $
// Revision 1.2  1997/07/23 18:32:33  nettleto
// Chnaged size to unsigned.
//
// Revision 1.1  1997/06/13 18:11:53  nettleto
// Initial revision
//
//

#include "reader.h"
#include "tcu.h"

#include <pthread.h>
#include <string.h>


void
CReader::Get_Input_Line (char *Buf, unsigned size)
{
  m.Lock ();
  if (strlen (Input_Line) < size)
    strcpy (Buf, Input_Line);
  else if (size > 0)
    {
      strncpy (Buf, Input_Line, size);
      Buf [size - 1] = '\0';
    }
  m.Unlock ();
}


// Body for command interpreter thread
//
void
CReader::Body ()
{
  int pos = 0;
  int ch;

  for (;;)
    {
      // Get character
      b->Get (ch);

      // Process character
      if (ch)
	{
	  // Exit program, if requested
	  if (ch == '~')
	    {
              return;
	    }

	  if ((ch != '\n') && (ch != '\r') && (pos < BLEN))
	    {
	      // Store character in input buffer
              m.Lock ();
	      Input_Line[pos++] = ch;
	      Input_Line[pos] = '\0';
              m.Unlock ();
	    }
	  else if ((ch == '\n') || (ch == '\r'))
	    {
              char *p = Input_Line;
	      pos = 0;

              m.Lock ();

	      /* act on command */
              if (*p == 'T')
                {
                  p++;
                  if (*p == '1' || *p == '2' || *p == '3')
                    {
                      int i = *p - '0' - 1;
                      p++;
                     
                      if (strcmp (p, "_AUTO") == 0)
                        pTCU [i]->Set_Auto ();
                      else if (strcmp (p, "_MAN") == 0)
                        pTCU [i]->Set_Off ();
                      else if (strcmp (p, "_ON") == 0)
                        pTCU [i]->Set_On ();
                      else if (strcmp (p, "_OFF") == 0)
                        pTCU [i]->Set_Off ();
                    }
                }

              m.Unlock ();
	    }
	}
      sched_yield ();
    }
}