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version 2.2

    1: /*************************************************************************
    2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
    3: *  by Michael Pounov <misho@openbsd-bg.org>
    4: *
    5: * $Author: misho $
    6: * $Id: cli.c,v 1.4 2012/07/22 22:37:08 misho Exp $
    7: *
    8: **************************************************************************
    9: The ELWIX and AITNET software is distributed under the following
   10: terms:
   11: 
   12: All of the documentation and software included in the ELWIX and AITNET
   13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   14: 
   15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   16: 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
   17: 
   18: Redistribution and use in source and binary forms, with or without
   19: modification, are permitted provided that the following conditions
   20: are met:
   21: 1. Redistributions of source code must retain the above copyright
   22:    notice, this list of conditions and the following disclaimer.
   23: 2. Redistributions in binary form must reproduce the above copyright
   24:    notice, this list of conditions and the following disclaimer in the
   25:    documentation and/or other materials provided with the distribution.
   26: 3. All advertising materials mentioning features or use of this software
   27:    must display the following acknowledgement:
   28: This product includes software developed by Michael Pounov <misho@elwix.org>
   29: ELWIX - Embedded LightWeight unIX and its contributors.
   30: 4. Neither the name of AITNET nor the names of its contributors
   31:    may be used to endorse or promote products derived from this software
   32:    without specific prior written permission.
   33: 
   34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
   35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   44: SUCH DAMAGE.
   45: */
   46: #include "global.h"
   47: 
   48: 
   49: /*
   50:  * cli_Cmd_Exit() Builtin helper function for Exit from Cli
   51:  * @buffer = CLI buffer
   52:  * @idx = Selected command ID
   53:  * @args = Parsed arguments array
   54:  * return: RETCODE_EOF exit from Cli!
   55: */
   56: int cli_Cmd_Exit(void * __restrict buffer, int idx, char ** __restrict args)
   57: {
   58: 	cli_Printf(buffer, "\n");
   59: 	return RETCODE_EOF;
   60: }
   61: 
   62: /*
   63:  * cli_Cmd_Help() Builtin helper function for Help screen
   64:  * @buffer = CLI buffer
   65:  * @idx = Selected command ID
   66:  * @args = Parsed arguments array
   67:  * return: RETCODE_ERR in error or RETCODE_OK
   68: */
   69: int cli_Cmd_Help(void * __restrict buffer, int idx, char ** __restrict args)
   70: {
   71: 	linebuffer_t *buf = buffer;
   72: 	struct tagCommand *cmd;
   73: 
   74: 	if (!buffer) {
   75: 		cli_SetErr(EINVAL, "Error:: invalid input parameters ...");
   76: 		return RETCODE_ERR;
   77: 	}
   78: 
   79: 	cli_Printf(buf, "\n");
   80: 	if (!args) {
   81: 		SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next)
   82: 			cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help);
   83: 	} else {
   84: 		if (!args[1])
   85: 			cli_Printf(buf, "Help screen::\n");
   86: 		else
   87: 			if (!strncmp(args[1], "---", 3))
   88: 				return RETCODE_OK;
   89: 
   90: 		SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
   91: 			if (args[1] && (cmd->cmd_level != buf->line_level || strcmp(args[1], cmd->cmd_name)))
   92: 				continue;
   93: 
   94: 			cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name, 
   95: 					args[1] ? cmd->cmd_info: cmd->cmd_help);
   96: 		}
   97: 	}
   98: 	cli_Printf(buffer, "\r");
   99: 
  100: 	return RETCODE_OK;
  101: }
  102: 
  103: /*
  104:  * cli_Cmd_Unsupported() Builtin helper function for unsupported commands
  105:  * @buffer = CLI buffer
  106:  * @idx = Selected command ID
  107:  * @args = Parsed arguments array
  108:  * return: RETCODE_OK ok
  109: */
  110: int cli_Cmd_Unsupported(void * __restrict buffer, int idx, char ** __restrict args)
  111: {
  112: 	cli_Printf(buffer, "Command %s not supported in this version ...\n", args[0]);
  113: 	return RETCODE_OK;
  114: }