Module: Humidifier::Utils
- Defined in:
- lib/humidifier/utils.rb,
ext/humidifier/humidifier.c
Overview
Dumps an object to CFN syntax
Class Method Summary collapse
-
.underscore(str) ⇒ Object
separated by underscores.
-
.underscored(names) ⇒ Object
a frozen hash of the given names mapped to their underscored version.
Class Method Details
.underscore(str) ⇒ Object
separated by underscores
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 |
# File 'ext/humidifier/humidifier.c', line 47
static VALUE underscore(VALUE self, VALUE str)
{
if (TYPE(str) == T_NIL) return Qnil;
char *str_value = rb_string_value_cstr(&str);
char orig_str[strlen(str_value) + 1];
strcpy(orig_str, str_value);
preprocess(orig_str);
// manually null-terminating the string because on Fedora for strings of
// length 16 this breaks otherwise
orig_str[strlen(str_value)] = '\0';
char new_str[strlen(orig_str) * 2];
char prev;
int orig_idx, new_idx;
for (orig_idx = 0, new_idx = 0; orig_str[orig_idx] != '\0'; orig_idx++) {
if (orig_idx != 0 && isupper(orig_str[orig_idx])) {
new_str[new_idx++] = '_';
}
new_str[new_idx++] = tolower(orig_str[orig_idx]);
prev = tolower(orig_str[orig_idx]);
}
return rb_str_new(new_str, new_idx);
}
|
.underscored(names) ⇒ Object
a frozen hash of the given names mapped to their underscored version
5 6 7 |
# File 'lib/humidifier/utils.rb', line 5 def self.underscored(names) names.map { |name| [name, underscore(name).to_sym] }.to_h.freeze end |