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extern crate rand;
use rand::{thread_rng, Rng};
pub const DEFAULT_ADJECTIVES: &'static [&'static str] = &[
"autumn", "hidden", "bitter", "misty", "silent", "empty", "dry", "dark",
"summer", "icy", "delicate", "quiet", "white", "cool", "spring", "winter",
"patient", "twilight", "dawn", "crimson", "wispy", "weathered", "blue",
"billowing", "broken", "cold", "damp", "falling", "frosty", "green",
"long", "late", "lingering", "bold", "little", "morning", "muddy", "old",
"red", "rough", "still", "small", "sparkling", "throbbing", "shy",
"wandering", "withered", "wild", "black", "young", "holy", "solitary",
"fragrant", "aged", "snowy", "proud", "floral", "restless", "divine",
"polished", "ancient", "purple", "lively", "nameless", "lucky", "odd", "tiny",
"free", "dry", "yellow", "orange", "gentle", "tight", "super", "royal", "broad",
"steep", "flat", "square", "round", "mute", "noisy", "hushy", "raspy", "soft",
"shrill", "rapid", "sweet", "curly", "calm", "jolly", "fancy", "plain", "shinny"
];
pub const DEFAULT_NOUNS: &'static [&'static str] = &[
"waterfall", "river", "breeze", "moon", "rain", "wind", "sea", "morning",
"snow", "lake", "sunset", "pine", "shadow", "leaf", "dawn", "glitter",
"forest", "hill", "cloud", "meadow", "sun", "glade", "bird", "brook",
"butterfly", "bush", "dew", "dust", "field", "fire", "flower", "firefly",
"feather", "grass", "haze", "mountain", "night", "pond", "darkness",
"snowflake", "silence", "sound", "sky", "shape", "surf", "thunder",
"violet", "water", "wildflower", "wave", "water", "resonance", "sun",
"wood", "dream", "cherry", "tree", "fog", "frost", "voice", "paper",
"frog", "smoke", "star", "atom", "band", "bar", "base", "block", "boat",
"term", "credit", "art", "fashion", "truth", "disk", "math", "unit", "cell",
"scene", "heart", "recipe", "union", "limit", "bread", "toast", "bonus",
"lab", "mud", "mode", "poetry", "tooth", "hall", "king", "queen", "lion", "tiger",
"penguin", "kiwi", "cake", "mouse", "rice", "coke", "hola", "salad", "hat"
];
#[derive(Debug)]
pub struct Haikunator<'a> {
pub adjectives: &'a [&'a str],
pub nouns: &'a [&'a str],
pub delimiter: &'a str,
pub token_length: usize,
pub token_hex: bool,
pub token_chars: &'a str,
}
impl<'a> Default for Haikunator<'a> {
fn default() -> Self {
Haikunator {
adjectives: DEFAULT_ADJECTIVES,
nouns: DEFAULT_NOUNS,
delimiter: "-",
token_length: 4,
token_hex: false,
token_chars: "0123456789",
}
}
}
impl<'a> Haikunator<'a> {
pub fn haikunate(&self) -> String {
let tokens;
if self.token_hex {
tokens = "0123456789abcdef";
} else {
tokens = self.token_chars;
}
let mut rng = thread_rng();
let adjective;
let noun;
if self.adjectives.len() > 0{
adjective = self.adjectives[rng.gen_range(0, self.adjectives.len())];
} else {
adjective = "";
}
if self.nouns.len() > 0 {
noun = self.nouns[rng.gen_range(0, self.nouns.len())];
} else {
noun = "";
}
let mut token = String::with_capacity(self.token_length);
let count = tokens.chars().count();
if count > 0 {
for _ in 0..self.token_length {
let index = rng.gen_range(0, count);
token.push(tokens.chars().nth(index).unwrap());
}
}
let mut parts = vec![adjective, noun, &token];
parts.retain(|s: &&str| s.len() > 0);
parts.join(self.delimiter)
}
}