File size: 2,373 Bytes
21caab1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #include "args.h"
bool argz_option(int argc, wchar_t* argv[], const wchar_t* option) {
/*
option(argc, argv, option);
Checks if a given option is active in the arguments.
*/
wchar_t* arg;
for (int i = 1; i < argc; i++) { /* Iterate over all arguments */
arg = argv[i];
if (*arg == L'-') { /* Options begin with a dash, anything else is an argument */
while (*arg == L'-') { /* Skip past the dashes */
arg++;
}
while (*option) { /* Compare the current option with the given one */
if (*option != *arg) {
break; /* Uh oh, no match */
}
option++;
arg++;
}
return true; /* There was a match */
}
}
return false;
}
wchar_t* argz_arg(int argc, wchar_t* argv[], int index) {
/*
arg(argc, argv, index);
Gets the argument at the given index in argv.
*/
wchar_t* arg;
int opts = 0;
for (int i = 1; i < argc; i++) { /* Iterate over all arguments */
arg = argv[i];
if (*arg != L'-') { /* Hooray, we found an argument that is not an option */
if (i - opts - 1 == index) {
return arg; /* Yay, a match */
}
} else { /* Uh oh, we found an option */
opts++;
}
}
return 0; /* Return null string if no match was found */
}
wchar_t* argz_value(int argc, wchar_t* argv[], const wchar_t* key) {
/*
value(argc, argv, key);
Get the value of the given key option (--x=y).
*/
wchar_t* arg;
int miss;
for (int i = 1; i < argc; i++) { /* Iterate over all arguments */
arg = argv[i];
miss = 0;
if (*arg == L'-') { /* We only care about options */
while (*arg == L'-') { /* Skip the starting dashes */
arg++;
}
while (*arg != L'=') { /* Compare the key, but stop before the value */
if (*arg != *key) {
miss++;
}
arg++;
key++;
}
if (miss == 0) { /* No difference between given key and this key, return the value */
arg++;
return arg;
}
}
}
return 0; /* Return null if no match was found */
}
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