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Annotation of libaitcli/src/cli.c, revision 1.5

1.1       misho       1: /*************************************************************************
                      2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.5     ! misho       6: * $Id: cli.c,v 1.4.4.2 2013/01/17 16:20:19 misho Exp $
1.1       misho       7: *
1.3       misho       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: 
1.5     ! misho      15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
1.3       misho      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: */
1.1       misho      46: #include "global.h"
                     47: 
                     48: 
                     49: /*
1.5     ! misho      50:  * cli_Cmd_Exit() - Builtin helper function for Exit from Cli
        !            51:  *
1.2       misho      52:  * @buffer = CLI buffer
1.1       misho      53:  * @idx = Selected command ID
                     54:  * @args = Parsed arguments array
1.2       misho      55:  * return: RETCODE_EOF exit from Cli!
1.1       misho      56: */
1.2       misho      57: int cli_Cmd_Exit(void * __restrict buffer, int idx, char ** __restrict args)
1.1       misho      58: {
1.2       misho      59:        cli_Printf(buffer, "\n");
                     60:        return RETCODE_EOF;
1.1       misho      61: }
                     62: 
                     63: /*
1.5     ! misho      64:  * cli_Cmd_Help() - Builtin helper function for Help screen
        !            65:  *
1.2       misho      66:  * @buffer = CLI buffer
1.1       misho      67:  * @idx = Selected command ID
                     68:  * @args = Parsed arguments array
1.2       misho      69:  * return: RETCODE_ERR in error or RETCODE_OK
1.1       misho      70: */
1.2       misho      71: int cli_Cmd_Help(void * __restrict buffer, int idx, char ** __restrict args)
1.1       misho      72: {
1.2       misho      73:        linebuffer_t *buf = buffer;
                     74:        struct tagCommand *cmd;
1.1       misho      75: 
1.2       misho      76:        if (!buffer) {
1.5     ! misho      77:                cli_SetErr(EINVAL, "Invalid input parameters ...");
1.2       misho      78:                return RETCODE_ERR;
                     79:        }
1.1       misho      80: 
1.2       misho      81:        cli_Printf(buf, "\n");
1.1       misho      82:        if (!args) {
1.2       misho      83:                SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next)
                     84:                        cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help);
1.1       misho      85:        } else {
                     86:                if (!args[1])
1.2       misho      87:                        cli_Printf(buf, "Help screen::\n");
1.1       misho      88:                else
                     89:                        if (!strncmp(args[1], "---", 3))
1.2       misho      90:                                return RETCODE_OK;
1.1       misho      91: 
1.2       misho      92:                SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
                     93:                        if (args[1] && (cmd->cmd_level != buf->line_level || strcmp(args[1], cmd->cmd_name)))
1.1       misho      94:                                continue;
                     95: 
1.2       misho      96:                        cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name, 
                     97:                                        args[1] ? cmd->cmd_info: cmd->cmd_help);
1.1       misho      98:                }
                     99:        }
1.2       misho     100:        cli_Printf(buffer, "\r");
1.1       misho     101: 
1.2       misho     102:        return RETCODE_OK;
1.1       misho     103: }
                    104: 
                    105: /*
1.5     ! misho     106:  * cli_Cmd_Unsupported() - Builtin helper function for unsupported commands
        !           107:  *
1.2       misho     108:  * @buffer = CLI buffer
1.1       misho     109:  * @idx = Selected command ID
                    110:  * @args = Parsed arguments array
1.2       misho     111:  * return: RETCODE_OK ok
1.1       misho     112: */
1.2       misho     113: int cli_Cmd_Unsupported(void * __restrict buffer, int idx, char ** __restrict args)
1.1       misho     114: {
1.2       misho     115:        cli_Printf(buffer, "Command %s not supported in this version ...\n", args[0]);
                    116:        return RETCODE_OK;
1.1       misho     117: }