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 1.6.4.2 2013/10/08 09:38:55 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, 2013
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: *
52: * @cli_buffer = CLI buffer
53: * @idx = Selected command ID
54: * @args = Parsed arguments array
55: * return: RETCODE_EOF exit from Cli!
56: */
57: int cli_Cmd_Exit(void * __restrict cli_buffer, int idx, char ** __restrict args)
58: {
59: cli_Printf(cli_buffer, "\n");
60: return RETCODE_EOF;
61: }
62:
63: /*
64: * cli_Cmd_Help() - Builtin helper function for Help screen
65: *
66: * @cli_buffer = CLI buffer
67: * @idx = Selected command ID
68: * @args = Parsed arguments array
69: * return: RETCODE_ERR in error or RETCODE_OK
70: */
71: int cli_Cmd_Help(void * __restrict cli_buffer, int idx, char ** __restrict args)
72: {
73: linebuffer_t *buf = cli_buffer;
74: struct tagCommand *cmd;
75:
76: if (!cli_buffer) {
77: cli_SetErr(EINVAL, "Invalid input parameters ...");
78: return RETCODE_ERR;
79: }
80:
81: cli_Printf(buf, "\n");
82: if (!args) {
83: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
84: if (cmd->cmd_level != idx)
85: continue;
86:
87: cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help);
88: }
89: } else {
90: if (!args[1])
91: cli_Printf(buf, "Help screen::\n");
92: else
93: if (!strncmp(args[1], "---", 3))
94: return RETCODE_OK;
95:
96: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
97: if (cmd->cmd_level != idx)
98: continue;
99: if (args[1] && (cmd->cmd_level != idx || strcmp(args[1], cmd->cmd_name)))
100: continue;
101:
102: cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name,
103: args[1] ? cmd->cmd_info: cmd->cmd_help);
104: }
105: }
106: cli_Printf(cli_buffer, "\r");
107:
108: return RETCODE_OK;
109: }
110:
111: /*
112: * cli_Cmd_Unsupported() - Builtin helper function for unsupported commands
113: *
114: * @cli_buffer = CLI buffer
115: * @idx = Selected command ID
116: * @args = Parsed arguments array
117: * return: RETCODE_OK ok
118: */
119: int cli_Cmd_Unsupported(void * __restrict cli_buffer, int idx, char ** __restrict args)
120: {
121: cli_Printf(cli_buffer, "Command %s not supported in this version ...\n", args[0]);
122: return RETCODE_OK;
123: }
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