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use std::collections::HashSet;
static KEYBOARDS: [&str; 1] = [
"abcdefghijklmnopqrstuvwxyz",
];
static KEYBOARD_VOWELS: [&str; 1] = [
"aeiouy",
];
static KEYBOARD_CONSONANTS: [&str; 1] = [
"bcdfghjklmnpqrstvwxz",
];
pub fn detect_keyboard(_s: &str) -> usize {
0
}
pub fn detect_keyboard_layout(s: &str) -> &str {
KEYBOARDS[detect_keyboard(s)]
}
pub fn detect_keyboard_vowels(s: &str) -> &str {
KEYBOARD_VOWELS[detect_keyboard(s)]
}
pub fn detect_keyboard_consonants(s: &str) -> &str {
KEYBOARD_CONSONANTS[detect_keyboard(s)]
}
pub fn consonant_mistakes(s: &str) -> Vec<String> {
let kb = detect_keyboard_consonants(s);
let mut ts = Vec::new();
for oi in 0..s.len() {
if !kb.contains(&s[oi..oi+1]) { continue; }
ts.push(format!("{}{}", &s[..oi], &s[oi+1..]));
for k in kb.chars() {
ts.push(format!("{}{}{}", &s[..oi], k, &s[oi+1..]));
ts.push(format!("{}{}{}", &s[..oi], k, &s[oi..]));
ts.push(format!("{}{}{}", &s[..oi+1], k, &s[oi+1..]));
}
}
ts
}
pub fn vowel_mistakes(s: &str) -> Vec<String> {
let kb = detect_keyboard_vowels(s);
let mut ts = Vec::new();
for oi in 0..s.len() {
if !kb.contains(&s[oi..oi+1]) { continue; }
ts.push(format!("{}{}", &s[..oi], &s[oi+1..]));
for k1 in kb.chars() {
ts.push(format!("{}{}{}", &s[..oi], k1, &s[oi+1..]));
ts.push(format!("{}{}{}", &s[..oi], k1, &s[oi..]));
ts.push(format!("{}{}{}", &s[..oi+1], k1, &s[oi+1..]));
for k2 in kb.chars() {
ts.push(format!("{}{}{}{}", &s[..oi], k1, k2, &s[oi..]));
}
}
}
ts
}
pub fn typos(s: &str) -> Vec<String> {
let kb = detect_keyboard_layout(s);
let mut ts = Vec::new();
for oi in 0..s.len() {
ts.push(format!("{}{}", &s[..oi], &s[oi+1..]));
}
for oi in 0..s.len() {
for k in kb.chars() {
ts.push(format!("{}{}{}", &s[..oi], k, &s[oi+1..]));
}
}
for oi in 0..s.len() {
for k in kb.chars() {
ts.push(format!("{}{}{}", &s[..oi], k, &s[oi..]));
}
}
ts
}
pub fn misspell(s: &str) -> HashSet<String> {
let mut ms = HashSet::new();
for w in typos(s).into_iter() {
ms.insert(w);
}
for w in vowel_mistakes(s).into_iter() {
ms.insert(w);
}
for w in consonant_mistakes(s).into_iter() {
ms.insert(w);
}
if ms.contains(s) {
ms.remove(s);
}
ms
}