Annotation of libaitcli/src/cli.c, revision 1.12
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 $
1.12 ! misho 6: * $Id: cli.c,v 1.11.2.1 2022/10/19 23:18:54 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:
1.11 misho 15: Copyright 2004 - 2022
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");
1.12 ! misho 61: ((linebuffer_t*) cli_buffer)->line_kill = 42;
1.2 misho 62: return RETCODE_EOF;
1.1 misho 63: }
64:
65: /*
1.5 misho 66: * cli_Cmd_Help() - Builtin helper function for Help screen
67: *
1.6 misho 68: * @cli_buffer = CLI buffer
1.7 misho 69: * @idx = Config level
1.1 misho 70: * @args = Parsed arguments array
1.2 misho 71: * return: RETCODE_ERR in error or RETCODE_OK
1.1 misho 72: */
1.7 misho 73: int
74: cli_Cmd_Help(void * __restrict cli_buffer, int idx, char ** __restrict args)
1.1 misho 75: {
1.6 misho 76: linebuffer_t *buf = cli_buffer;
1.2 misho 77: struct tagCommand *cmd;
1.1 misho 78:
1.6 misho 79: if (!cli_buffer) {
1.5 misho 80: cli_SetErr(EINVAL, "Invalid input parameters ...");
1.2 misho 81: return RETCODE_ERR;
82: }
1.1 misho 83:
1.2 misho 84: cli_Printf(buf, "\n");
1.1 misho 85: if (!args) {
1.7 misho 86: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
87: if (!(cmd->cmd_level & (1 << idx)))
88: continue;
89:
1.2 misho 90: cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help);
1.7 misho 91: }
1.1 misho 92: } else {
93: if (!args[1])
1.2 misho 94: cli_Printf(buf, "Help screen::\n");
1.1 misho 95: else
96: if (!strncmp(args[1], "---", 3))
1.2 misho 97: return RETCODE_OK;
1.1 misho 98:
1.2 misho 99: SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) {
1.7 misho 100: if (!(cmd->cmd_level & (1 << idx)))
101: continue;
102: if (args[1] && (!(cmd->cmd_level & (1 << idx)) ||
103: strcmp(args[1], cmd->cmd_name)))
1.1 misho 104: continue;
105:
1.2 misho 106: cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name,
107: args[1] ? cmd->cmd_info: cmd->cmd_help);
1.1 misho 108: }
109: }
1.6 misho 110: cli_Printf(cli_buffer, "\r");
1.1 misho 111:
1.2 misho 112: return RETCODE_OK;
1.1 misho 113: }
114:
115: /*
1.5 misho 116: * cli_Cmd_Unsupported() - Builtin helper function for unsupported commands
117: *
1.6 misho 118: * @cli_buffer = CLI buffer
1.7 misho 119: * @idx = Config level
1.1 misho 120: * @args = Parsed arguments array
1.2 misho 121: * return: RETCODE_OK ok
1.1 misho 122: */
1.7 misho 123: int
124: cli_Cmd_Unsupported(void * __restrict cli_buffer, int idx, char ** __restrict args)
1.1 misho 125: {
1.6 misho 126: cli_Printf(cli_buffer, "Command %s not supported in this version ...\n", args[0]);
1.2 misho 127: return RETCODE_OK;
1.1 misho 128: }
1.7 misho 129:
130: /*
131: * cli_Cmd_Config() - Builtin helper function for enter into config level from Cli
132: *
133: * @cli_buffer = CLI buffer
134: * @idx = Config level
135: * @args = Parsed arguments array
136: * return: RETCODE_ERR in error or RETCODE_OK
137: */
138: int
139: cli_Cmd_Config(void * __restrict cli_buffer, int idx, char ** __restrict args)
140: {
141: linebuffer_t *buf = cli_buffer;
1.11 misho 142: char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0};
1.7 misho 143:
1.8 misho 144: if (idx == sizeof idx * 8 - 1)
1.7 misho 145: return RETCODE_ERR;
146:
147: buf->line_level++;
1.10 misho 148: snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level);
149: cli_setPrompt(buf, szPrompt);
1.7 misho 150: cli_Printf(buf, "Enter to config level %d\n", buf->line_level);
151: return RETCODE_OK;
152: }
153:
154: /*
155: * cli_Cmd_End() - Builtin helper function for end config level from Cli
156: *
157: * @cli_buffer = CLI buffer
158: * @idx = Config level
159: * @args = Parsed arguments array
160: * return: RETCODE_EOF in level 0 or RETCODE_OK
161: */
162: int
163: cli_Cmd_End(void * __restrict cli_buffer, int idx, char ** __restrict args)
164: {
165: linebuffer_t *buf = cli_buffer;
1.11 misho 166: char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0};
1.7 misho 167:
168: if (!idx)
169: return cli_Cmd_Exit(cli_buffer, idx, args);
170:
171: buf->line_level--;
1.10 misho 172: snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level);
173: cli_setPrompt(buf, szPrompt);
1.7 misho 174: cli_Printf(buf, "Enter to config level %d\n", buf->line_level);
175: return RETCODE_OK;
176: }
177:
178: /*
179: * cli_Cmd_Top() - Builtin helper function for top level of Cli
180: *
181: * @cli_buffer = CLI buffer
182: * @idx = Config level
183: * @args = Parsed arguments array
184: * return: RETCODE_OK ok
185: */
186: int
187: cli_Cmd_Top(void * __restrict cli_buffer, int idx, char ** __restrict args)
188: {
189: linebuffer_t *buf = cli_buffer;
1.11 misho 190: char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0};
1.7 misho 191:
192: buf->line_level ^= buf->line_level;
1.10 misho 193: snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level);
194: cli_setPrompt(buf, szPrompt);
1.7 misho 195: cli_Printf(buf, "Enter to top config level %d\n", buf->line_level);
196: return RETCODE_OK;
197: }
198:
199: /*
200: * cli_Cmd_WhereAmI() - Builtin helper function for query level of Cli
201: *
202: * @cli_buffer = CLI buffer
203: * @idx = Config level
204: * @args = Parsed arguments array
205: * return: RETCODE_OK ok
206: */
207: int
208: cli_Cmd_WhereAmI(void * __restrict cli_buffer, int idx, char ** __restrict args)
209: {
210: linebuffer_t *buf = cli_buffer;
211:
212: cli_Printf(buf, "Current config level is %d\n", buf->line_level);
213: return RETCODE_OK;
214: }
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