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#include "opt.h"
#include "version.h"
#include "err.h"
#include "../reqs/simple-opt/simple-opt.h"
#include <stdlib.h>
#include <string.h>
static struct simple_opt options[] = {
{ SIMPLE_OPT_FLAG, 'h', "help", false,
"print this help message and exit" },
{ SIMPLE_OPT_FLAG, 'v', "version", false,
"print the version of every in use and exit" },
{ SIMPLE_OPT_STRING, 'c', "calendar", true,
"path to calendar file", "FILE" },
{ SIMPLE_OPT_STRING, 'e', "editor", true,
"text editor for editing calendars", "CMD" },
{ SIMPLE_OPT_CHAR, '\0', "line-delim", true,
"line delimiter for scripting output" },
{ SIMPLE_OPT_CHAR, '\0', "col-delim", true,
"column delimiter for scripting output" },
{ SIMPLE_OPT_END }
};
static struct simple_opt_result result;
void opt_parse(int argc, char **argv)
{
result = simple_opt_parse(argc, argv, options);
/* parse err */
if (result.result_type != SIMPLE_OPT_RESULT_SUCCESS) {
simple_opt_print_error(stderr, 80, argv[0], result);
exit(EXIT_FAILURE);
}
/* help */
if (options[0].was_seen) {
simple_opt_print_usage(stdout, 80, argv[0],
"[-c CALENDAR_FILE] [-e TEXT_EDITOR] [COMMAND]",
"every is a simple console-based event calendar",
options);
printf(
"\n"
"Commands\n"
" c (default) print upcoming events in interactive console mode\n"
" s print upcoming events in a format appropriate for scripting\n"
" e open calendar with text editor\n"
);
exit(EXIT_SUCCESS);
}
/* version */
if (options[1].was_seen) {
puts(VERSION);
exit(EXIT_SUCCESS);
}
/* bad command */
if (result.argc > 0) {
if (result.argc > 1)
ERR("too many commands");
if (strlen(result.argv[0]) > 1)
ERR("unrecognised command `%s`", result.argv[0]);
switch (result.argv[0][0]) {
case 'c':
case 's':
case 'e':
break;
default:
ERR("unrecognised command `%s`", result.argv[0]);
}
}
/* bad calendar path */
if (options[2].was_seen && options[2].val.v_string[0] == '\0')
ERR("err: could not read calendar at ``");
}
char* opt_calpath(void)
{
if (options[2].was_seen)
return options[2].val.v_string;
return NULL;
}
char* opt_editor(void)
{
if (options[3].was_seen)
return options[3].val.v_string;
return getenv("EDITOR");
}
char opt_line_delim(void)
{
if (options[4].was_seen)
return options[4].val.v_char;
return '\n';
}
char opt_col_delim(void)
{
if (options[5].was_seen)
return options[5].val.v_char;
return '\t';
}
enum opt_command_e opt_command(void)
{
if (result.argc > 0) {
switch (result.argv[0][0]) {
case 'c':
return OPT_COMMAND_CONSOLE;
case 's':
return OPT_COMMAND_SCRIPT;
case 'e':
return OPT_COMMAND_EDIT;
default:
break;
}
}
return OPT_COMMAND_CONSOLE;
}
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