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Nicolás A. Ortega Froysa
2024-09-05 20:59:41 +02:00
commit 8d2b27376f
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/*
* Copyright (C) 2024 Nicolás Ortega Froysa <nicolas@ortegas.org>
* Nicolás Ortega Froysa <nicolas@ortegas.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "arg_parse.h"
enum cmd_id parse_args(const char *cmd) {
for(int i = 0; i < (int)ARRAY_LEN(commands); ++i) {
for(int j = 0; j < (int)ARRAY_LEN(commands[i].str); ++j) {
if(commands[i].str[j] && strcmp(commands[i].str[j], cmd) == 0)
return commands[i].id;
}
}
return CMD_UNKNOWN;
}

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/*
* Copyright (C) 2024 Nicolás Ortega Froysa <nicolas@ortegas.org>
* Nicolás Ortega Froysa <nicolas@ortegas.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <string.h>
#include <stdio.h>
#include "global.h"
enum cmd_id {
CMD_UNKNOWN = 0,
CMD_HELP,
CMD_VERSION,
};
struct cmd {
enum cmd_id id;
const char *str[3];
};
static const struct cmd commands[] = {
{ CMD_HELP, {"help", "-h", "--help"} },
{ CMD_VERSION, {"version", "-v", "--version"} },
};
enum cmd_id parse_args(const char *cmd);

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/*
* Copyright (C) 2024 Nicolás Ortega Froysa <nicolas@ortegas.org>
* Nicolás Ortega Froysa <nicolas@ortegas.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifndef VERSION
#define VERSION "VERSION"
#endif
#define ARRAY_LEN(arr) (sizeof(arr) / sizeof(arr[0]))

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/*
* Copyright (C) 2024 Nicolás Ortega Froysa <nicolas@ortegas.org>
* Nicolás Ortega Froysa <nicolas@ortegas.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include "arg_parse.h"
#include "global.h"
void print_version(void) {
printf("menu-helper v%s\n\n", VERSION);
}
void print_usage(void) {
printf("USAGE: menu-helper <cmd> [options]\n\n");
}
void print_help(void) {
print_version();
print_usage();
printf("COMMANDS:\n"
"\thelp, -h, --help Show this help information.\n"
"\tversion, -v, --version Show version information.\n"
"\n");
}
int main(int argc, char *argv[]) {
enum cmd_id id;
if(argc < 2) {
fprintf(stderr, "Invalid number of arguments. Use 'help' sub-command.\n");
print_usage();
return EXIT_FAILURE;
}
id = parse_args(argv[1]);
switch(id) {
case CMD_HELP:
print_help();
break;
case CMD_VERSION:
print_version();
break;
default:
fprintf(stderr, "No such command '%s'. Use 'help' sub-command.\n", argv[1]);
print_usage();
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}