workbench/c/Shell/cliPrompt.c

   1 /*
   2     Copyright (C) 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4  */
   5
   6 #include <proto/dos.h>
   7
   8 #include <string.h>
   9
  10 #include "Shell.h"
  11
  12 void cliPrompt(ShellState *ss)
  13 {
  14     struct CommandLineInterface *cli = Cli();
  15     BSTR prompt = cli->cli_Prompt;
  16     LONG length = AROS_BSTR_strlen(prompt);
  17     BPTR output = Output();
  18     ULONG i;
  19
  20     if (cli->cli_Background)
  21         return;
  22
  23     for (i = 0; i < length; i++)
  24     {
  25         if (AROS_BSTR_getchar(prompt, i) == '%')
  26         {
  27             if (++i == length)
  28                 break;
  29
  30             switch (AROS_BSTR_getchar(prompt, i))
  31             {
  32             case 'N': case 'n':
  33                 Printf("%ld", ss->cliNumber);
  34                 break;
  35             case 'R': case 'r':
  36                 Printf("%ld", cli->cli_ReturnCode);
  37                 break;
  38             case 'S': case 's':
  39                 FPuts(output, AROS_BSTR_ADDR(cli->cli_SetName));
  40                 break;
  41             default:
  42                 FPutC(output, '%');
  43                 FPutC(output, AROS_BSTR_getchar(prompt, i));
  44                 break;
  45             }
  46         }
  47         else
  48             FPutC(output, AROS_BSTR_getchar(prompt, i));
  49     }
  50
  51     Flush(output);
  52 }
  53