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#include "lslib.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef MAJOR
#define MAJOR 0
#endif
#ifndef MINOR
#define MINOR 0
#endif
#ifndef PATCH
#define PATCH 0
#endif
void check_arg (char* arg) {
if (arg == NULL) {
error("expected another argument after option");
}
}
void global_help(void (*help)(void)) {
printf("LazySphere v%d.%d.%d multi-call binary.\n\n", MAJOR, MINOR, PATCH);
help();
exit(EXIT_SUCCESS);
}
void parse_help(int argc, char** argv, void (*help)(void)) {
int i;
if (argc < 1) return;
for (i = 0; i < argc; i++) {
if (!prefix("-", argv[i]) || streql("-", argv[i])) break;
if (help != NULL && streql("--help", argv[i])) global_help(help);
}
}
int parse_args(int argc, char** argv, void (*help)(void), int (*short_arg)(char, char*), int (*long_arg)(char*, char*)) {
int start, i, current;
char* next_arg;
if (argc < 1) return 0;
start = 0;
for (i = 0; i < argc; i++) {
if (!prefix("-", argv[i]) || streql("-", argv[i])) break;
if (help != NULL && streql("--help", argv[i])) global_help(help);
if (i + 1 == argc) {
next_arg = NULL;
} else {
next_arg = argv[i+1];
}
current = i;
if (prefix("--", argv[i])) {
int r;
if (long_arg == NULL) {
goto exit;
}
r = long_arg(argv[current], next_arg);
if (r == ARG_USED) {
i++;
start++;
} else if (r == ARG_IGNORE) {
goto exit;
} else if (r == ARG_INVALID) {
error("invalid argument %s", argv[current]);
}
} else {
size_t j;
int r;
if (short_arg == NULL) {
goto exit;
}
for (j = 1; j < strlen(argv[current]); j++) {
r = short_arg(argv[current][j], next_arg);
if (r == ARG_USED) {
i++;
start++;
} else if (r == ARG_IGNORE) {
goto exit;
} else if (r == ARG_INVALID) {
error("invalid argument -%c", argv[current][j]);
}
}
}
start++;
}
exit:
return start;
}
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