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refactor(option.c): factor out option prefix parsing

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This commit is contained in:
Lewis Russell 2023-01-25 17:28:21 +00:00
parent 0f3fa5a30a
commit 9a9129c60b
1 changed files with 16 additions and 10 deletions
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26
src/nvim/option.c
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@ -1179,18 +1179,24 @@ static set_op_T get_op(const char *arg)
return op;
}
static int get_option_prefix(char **argp)
{
if (strncmp(*argp, "no", 2) == 0) {
*argp += 2;
return 0;
} else if (strncmp(*argp, "inv", 3) == 0) {
*argp += 3;
return 2;
}
return 1;
}
static void do_set_option(int opt_flags, char **argp, bool *did_show, char *errbuf,
size_t errbuflen, char **errmsg)
{
int prefix = 1; // 1: nothing, 0: "no", 2: "inv" in front of name
if (strncmp(*argp, "no", 2) == 0) {
prefix = 0;
*argp += 2;
} else if (strncmp(*argp, "inv", 3) == 0) {
prefix = 2;
*argp += 3;
}
// 1: nothing, 0: "no", 2: "inv" in front of name
int prefix = get_option_prefix(argp);
char *arg = *argp;
@ -1221,11 +1227,11 @@ static void do_set_option(int opt_flags, char **argp, bool *did_show, char *errb
key = find_key_option(arg + 1, true);
}
} else {
len = 0;
// The two characters after "t_" may not be alphanumeric.
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3]) {
len = 4;
} else {
len = 0;
while (ASCII_ISALNUM(arg[len]) || arg[len] == '_') {
len++;
}