Annotation of libaitcli/src/cli.c, revision 1.8

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 $
1.8     ! misho       6: * $Id: cli.c,v 1.6.4.7 2013/10/08 12:10:11 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:  *
1.6       misho      52:  * @cli_buffer = CLI buffer
1.7       misho      53:  * @idx = Config level
1.1       misho      54:  * @args = Parsed arguments array
1.2       misho      55:  * return: RETCODE_EOF exit from Cli!
1.1       misho      56: */
1.7       misho      57: int
                     58: cli_Cmd_Exit(void * __restrict cli_buffer, int idx, char ** __restrict args)
1.1       misho      59: {
1.6       misho      60:        cli_Printf(cli_buffer, "\n");
1.2       misho      61:        return RETCODE_EOF;
1.1       misho      62: }
                     63: 
                     64: /*
1.5       misho      65:  * cli_Cmd_Help() - Builtin helper function for Help screen
                     66:  *
1.6       misho      67:  * @cli_buffer = CLI buffer
1.7       misho      68:  * @idx = Config level
1.1       misho      69:  * @args = Parsed arguments array
1.2       misho      70:  * return: RETCODE_ERR in error or RETCODE_OK
1.1       misho      71: */
1.7       misho      72: int
                     73: cli_Cmd_Help(void * __restrict cli_buffer, int idx, char ** __restrict args)
1.1       misho      74: {
1.6       misho      75:        linebuffer_t *buf = cli_buffer;
1.2       misho      76:        struct tagCommand *cmd;
1.1       misho      77: 
1.6       misho      78:        if (!cli_buffer) {
1.5       misho      79:                cli_SetErr(EINVAL, "Invalid input parameters ...");
1.2       misho      80:                return RETCODE_ERR;
                     81:        }
1.1       misho      82: 
1.2       misho      83:        cli_Printf(buf, "\n");
1.1       misho      84:        if (!args) {
1.7       misho      85:                SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
                     86:                        if (!(cmd->cmd_level & (1 << idx)))
                     87:                                continue;
                     88: 
1.2       misho      89:                        cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help);
1.7       misho      90:                }
1.1       misho      91:        } else {
                     92:                if (!args[1])
1.2       misho      93:                        cli_Printf(buf, "Help screen::\n");
1.1       misho      94:                else
                     95:                        if (!strncmp(args[1], "---", 3))
1.2       misho      96:                                return RETCODE_OK;
1.1       misho      97: 
1.2       misho      98:                SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
1.7       misho      99:                        if (!(cmd->cmd_level & (1 << idx)))
                    100:                                continue;
                    101:                        if (args[1] && (!(cmd->cmd_level & (1 << idx)) || 
                    102:                                                strcmp(args[1], cmd->cmd_name)))
1.1       misho     103:                                continue;
                    104: 
1.2       misho     105:                        cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name, 
                    106:                                        args[1] ? cmd->cmd_info: cmd->cmd_help);
1.1       misho     107:                }
                    108:        }
1.6       misho     109:        cli_Printf(cli_buffer, "\r");
1.1       misho     110: 
1.2       misho     111:        return RETCODE_OK;
1.1       misho     112: }
                    113: 
                    114: /*
1.5       misho     115:  * cli_Cmd_Unsupported() - Builtin helper function for unsupported commands
                    116:  *
1.6       misho     117:  * @cli_buffer = CLI buffer
1.7       misho     118:  * @idx = Config level
1.1       misho     119:  * @args = Parsed arguments array
1.2       misho     120:  * return: RETCODE_OK ok
1.1       misho     121: */
1.7       misho     122: int
                    123: cli_Cmd_Unsupported(void * __restrict cli_buffer, int idx, char ** __restrict args)
1.1       misho     124: {
1.6       misho     125:        cli_Printf(cli_buffer, "Command %s not supported in this version ...\n", args[0]);
1.2       misho     126:        return RETCODE_OK;
1.1       misho     127: }
1.7       misho     128: 
                    129: /*
                    130:  * cli_Cmd_Config() - Builtin helper function for enter into config level from Cli
                    131:  *
                    132:  * @cli_buffer = CLI buffer
                    133:  * @idx = Config level
                    134:  * @args = Parsed arguments array
                    135:  * return: RETCODE_ERR in error or RETCODE_OK
                    136: */
                    137: int
                    138: cli_Cmd_Config(void * __restrict cli_buffer, int idx, char ** __restrict args)
                    139: {
                    140:        linebuffer_t *buf = cli_buffer;
                    141: 
1.8     ! misho     142:        if (idx == sizeof idx * 8 - 1)
1.7       misho     143:                return RETCODE_ERR;
                    144: 
                    145:        buf->line_level++;
                    146:        cli_Printf(buf, "Enter to config level %d\n", buf->line_level);
                    147:        return RETCODE_OK;
                    148: }
                    149: 
                    150: /*
                    151:  * cli_Cmd_End() - Builtin helper function for end config level from Cli
                    152:  *
                    153:  * @cli_buffer = CLI buffer
                    154:  * @idx = Config level
                    155:  * @args = Parsed arguments array
                    156:  * return: RETCODE_EOF in level 0 or RETCODE_OK
                    157: */
                    158: int
                    159: cli_Cmd_End(void * __restrict cli_buffer, int idx, char ** __restrict args)
                    160: {
                    161:        linebuffer_t *buf = cli_buffer;
                    162: 
                    163:        if (!idx)
                    164:                return cli_Cmd_Exit(cli_buffer, idx, args);
                    165: 
                    166:        buf->line_level--;
                    167:        cli_Printf(buf, "Enter to config level %d\n", buf->line_level);
                    168:        return RETCODE_OK;
                    169: }
                    170: 
                    171: /*
                    172:  * cli_Cmd_Top() - Builtin helper function for top level of Cli
                    173:  *
                    174:  * @cli_buffer = CLI buffer
                    175:  * @idx = Config level
                    176:  * @args = Parsed arguments array
                    177:  * return: RETCODE_OK ok
                    178: */
                    179: int
                    180: cli_Cmd_Top(void * __restrict cli_buffer, int idx, char ** __restrict args)
                    181: {
                    182:        linebuffer_t *buf = cli_buffer;
                    183: 
                    184:        buf->line_level ^= buf->line_level;
                    185:        cli_Printf(buf, "Enter to top config level %d\n", buf->line_level);
                    186:        return RETCODE_OK;
                    187: }
                    188: 
                    189: /*
                    190:  * cli_Cmd_WhereAmI() - Builtin helper function for query level of Cli
                    191:  *
                    192:  * @cli_buffer = CLI buffer
                    193:  * @idx = Config level
                    194:  * @args = Parsed arguments array
                    195:  * return: RETCODE_OK ok
                    196: */
                    197: int
                    198: cli_Cmd_WhereAmI(void * __restrict cli_buffer, int idx, char ** __restrict args)
                    199: {
                    200:        linebuffer_t *buf = cli_buffer;
                    201: 
                    202:        cli_Printf(buf, "Current config level is %d\n", buf->line_level);
                    203:        return RETCODE_OK;
                    204: }

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