refactor(options): restructure functions related to key options

This commit is contained in:
Famiu Haque 2023-12-18 04:02:07 +06:00
parent 242261d4e7
commit 1d2af15a95
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GPG Key ID: B8B7D24561962BFE

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@ -1495,12 +1495,36 @@ int do_set(char *arg, int opt_flags)
return OK;
}
// Translate a string like "t_xx", "<t_xx>" or "<S-Tab>" to a key number.
// When "has_lt" is true there is a '<' before "*arg_arg".
// Returns 0 when the key is not recognized.
static int find_key_len(const char *arg_arg, size_t len, bool has_lt)
{
int key = 0;
const char *arg = arg_arg;
// Don't use get_special_key_code() for t_xx, we don't want it to call
// add_termcap_entry().
if (len >= 4 && arg[0] == 't' && arg[1] == '_') {
key = TERMCAP2KEY((uint8_t)arg[2], (uint8_t)arg[3]);
} else if (has_lt) {
arg--; // put arg at the '<'
int modifiers = 0;
key = find_special_key(&arg, len + 1, &modifiers, FSK_KEYCODE | FSK_KEEP_X_KEY | FSK_SIMPLIFY,
NULL);
if (modifiers) { // can't handle modifiers here
key = 0;
}
}
return key;
}
/// Convert a key name or string into a key value.
/// Used for 'wildchar' and 'cedit' options.
int string_to_key(char *arg)
{
if (*arg == '<') {
return find_key_option(arg + 1, true);
return find_key_len(arg + 1, strlen(arg), true);
}
if (*arg == '^') {
return CTRL_CHR((uint8_t)arg[1]);
@ -3762,35 +3786,6 @@ void set_option_value_give_err(const OptIndex opt_idx, OptVal value, int opt_fla
}
}
// Translate a string like "t_xx", "<t_xx>" or "<S-Tab>" to a key number.
// When "has_lt" is true there is a '<' before "*arg_arg".
// Returns 0 when the key is not recognized.
int find_key_option_len(const char *arg_arg, size_t len, bool has_lt)
{
int key = 0;
const char *arg = arg_arg;
// Don't use get_special_key_code() for t_xx, we don't want it to call
// add_termcap_entry().
if (len >= 4 && arg[0] == 't' && arg[1] == '_') {
key = TERMCAP2KEY((uint8_t)arg[2], (uint8_t)arg[3]);
} else if (has_lt) {
arg--; // put arg at the '<'
int modifiers = 0;
key = find_special_key(&arg, len + 1, &modifiers,
FSK_KEYCODE | FSK_KEEP_X_KEY | FSK_SIMPLIFY, NULL);
if (modifiers) { // can't handle modifiers here
key = 0;
}
}
return key;
}
static int find_key_option(const char *arg, bool has_lt)
{
return find_key_option_len(arg, strlen(arg), has_lt);
}
/// if 'all' == false: show changed options
/// if 'all' == true: show all normal options
///