--- libaitcli/src/cli.c 2010/04/16 13:20:29 1.1 +++ libaitcli/src/cli.c 2022/12/05 22:23:38 1.12 @@ -3,106 +3,212 @@ * by Michael Pounov * * $Author: misho $ -* $Id: cli.c,v 1.1 2010/04/16 13:20:29 misho Exp $ +* $Id: cli.c,v 1.12 2022/12/05 22:23:38 misho Exp $ * -*************************************************************************/ +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: + +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria + +Copyright 2004 - 2022 + by Michael Pounov . All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: +This product includes software developed by Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. +*/ #include "global.h" /* - * cli_Cmd_Exit() Builtin helper function for Exit from Cli - * @cmds = Commands list - * @idx = Selected command ID - * @out = Output handle + * cli_Cmd_Exit() - Builtin helper function for Exit from Cli + * + * @cli_buffer = CLI buffer + * @idx = Config level * @args = Parsed arguments array - * return: 1 exit from Cli! + * return: RETCODE_EOF exit from Cli! */ -int cli_Cmd_Exit(void *cmds, int idx, FILE *out, char ** __restrict args) +int +cli_Cmd_Exit(void * __restrict cli_buffer, int idx, char ** __restrict args) { - return 1; + cli_Printf(cli_buffer, "\n"); + ((linebuffer_t*) cli_buffer)->line_kill = 42; + return RETCODE_EOF; } /* - * cli_Cmd_Help() Builtin helper function for Help screen - * @cmds = Commands list - * @idx = Selected command ID - * @out = Output handle + * cli_Cmd_Help() - Builtin helper function for Help screen + * + * @cli_buffer = CLI buffer + * @idx = Config level * @args = Parsed arguments array - * return: -1 error, 0 = ok + * return: RETCODE_ERR in error or RETCODE_OK */ -int cli_Cmd_Help(void *cmds, int idx, FILE *out, char ** __restrict args) +int +cli_Cmd_Help(void * __restrict cli_buffer, int idx, char ** __restrict args) { - register int i; - cliCommands_t *commands = cmds; + linebuffer_t *buf = cli_buffer; + struct tagCommand *cmd; - if (!cmds) - return -1; + if (!cli_buffer) { + cli_SetErr(EINVAL, "Invalid input parameters ..."); + return RETCODE_ERR; + } + cli_Printf(buf, "\n"); if (!args) { - cli_Printf(out, "\n"); - for (i = 0; commands[i].cmd_name; i++) - cli_Printf(out, "%s\t\t%s\n", commands[i].cmd_name, commands[i].cmd_doc); + SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) { + if (!(cmd->cmd_level & (1 << idx))) + continue; + + cli_Printf(buf, "%s\t\t%s\n", cmd->cmd_name, cmd->cmd_help); + } } else { if (!args[1]) - cli_Printf(out, "Help screen::\n"); + cli_Printf(buf, "Help screen::\n"); else if (!strncmp(args[1], "---", 3)) - return 0; + return RETCODE_OK; - for (i = 0; commands[i].cmd_name; i++) { - if (args[1] && strcmp(args[1], commands[i].cmd_name)) + SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) { + if (!(cmd->cmd_level & (1 << idx))) continue; + if (args[1] && (!(cmd->cmd_level & (1 << idx)) || + strcmp(args[1], cmd->cmd_name))) + continue; - cli_Printf(out, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", commands[i].cmd_name, - args[1] ? commands[i].cmd_help : commands[i].cmd_doc); + cli_Printf(buf, "%s%s\t\t%s\n", args[1] ? "Syntax::\n\t" : "", cmd->cmd_name, + args[1] ? cmd->cmd_info: cmd->cmd_help); } } + cli_Printf(cli_buffer, "\r"); - return 0; + return RETCODE_OK; } /* - * cli_Cmd_Unsupported() Builtin helper function for unsupported commands - * @cmds = Commands list - * @idx = Selected command ID - * @out = Output handle + * cli_Cmd_Unsupported() - Builtin helper function for unsupported commands + * + * @cli_buffer = CLI buffer + * @idx = Config level * @args = Parsed arguments array - * return: -1 error, 0 = ok, 1 exit from Cli! + * return: RETCODE_OK ok */ -int cli_Cmd_Unsupported(void *cmds, int idx, FILE *out, char ** __restrict args) +int +cli_Cmd_Unsupported(void * __restrict cli_buffer, int idx, char ** __restrict args) { - cli_Printf(out, "Command %s not supported in this version ...\n", args[0]); - return 0; + cli_Printf(cli_buffer, "Command %s not supported in this version ...\n", args[0]); + return RETCODE_OK; } -// ------------------------------------------------------------ - /* - * cli_Comp_Filename() Builtin helper function for filename completion arguments - * @text = Text line - * @state = Position state - * return: NULL not found filename, != NULL filename + * cli_Cmd_Config() - Builtin helper function for enter into config level from Cli + * + * @cli_buffer = CLI buffer + * @idx = Config level + * @args = Parsed arguments array + * return: RETCODE_ERR in error or RETCODE_OK */ -char *cli_Comp_Filename(const char *text, int state) +int +cli_Cmd_Config(void * __restrict cli_buffer, int idx, char ** __restrict args) { - return rl_filename_completion_function(text, state); + linebuffer_t *buf = cli_buffer; + char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0}; + + if (idx == sizeof idx * 8 - 1) + return RETCODE_ERR; + + buf->line_level++; + snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level); + cli_setPrompt(buf, szPrompt); + cli_Printf(buf, "Enter to config level %d\n", buf->line_level); + return RETCODE_OK; } +/* + * cli_Cmd_End() - Builtin helper function for end config level from Cli + * + * @cli_buffer = CLI buffer + * @idx = Config level + * @args = Parsed arguments array + * return: RETCODE_EOF in level 0 or RETCODE_OK +*/ +int +cli_Cmd_End(void * __restrict cli_buffer, int idx, char ** __restrict args) +{ + linebuffer_t *buf = cli_buffer; + char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0}; -// ------------------------------------------------------------ + if (!idx) + return cli_Cmd_Exit(cli_buffer, idx, args); + buf->line_level--; + snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level); + cli_setPrompt(buf, szPrompt); + cli_Printf(buf, "Enter to config level %d\n", buf->line_level); + return RETCODE_OK; +} + /* - * cli_PrintHelp() Helper print for missing command arguments - * @out = Output stream - * @cmds = Commands list - * @idx = Selected command ID - * return: -1 error, !=-1 ok - * return: none + * cli_Cmd_Top() - Builtin helper function for top level of Cli + * + * @cli_buffer = CLI buffer + * @idx = Config level + * @args = Parsed arguments array + * return: RETCODE_OK ok */ -inline int cli_PrintHelp(FILE *out, void *cmds, int idx) +int +cli_Cmd_Top(void * __restrict cli_buffer, int idx, char ** __restrict args) { - cliCommands_t *c = cmds; + linebuffer_t *buf = cli_buffer; + char szPrompt[STRSIZ + 16] = {[0 ... STRSIZ + 15] = 0}; - return cli_Printf(out, "%s\n", c[idx].cmd_help); + buf->line_level ^= buf->line_level; + snprintf(szPrompt, sizeof szPrompt, "%s{%d}> ", buf->line_porigin, buf->line_level); + cli_setPrompt(buf, szPrompt); + cli_Printf(buf, "Enter to top config level %d\n", buf->line_level); + return RETCODE_OK; } +/* + * cli_Cmd_WhereAmI() - Builtin helper function for query level of Cli + * + * @cli_buffer = CLI buffer + * @idx = Config level + * @args = Parsed arguments array + * return: RETCODE_OK ok +*/ +int +cli_Cmd_WhereAmI(void * __restrict cli_buffer, int idx, char ** __restrict args) +{ + linebuffer_t *buf = cli_buffer; + + cli_Printf(buf, "Current config level is %d\n", buf->line_level); + return RETCODE_OK; +}