cat2text-rs/src/core.rs
2025-01-12 13:43:29 -06:00

42 lines
1.2 KiB
Rust

//! Handles conversion one word at a time for any base
// based off this SO answer: https://stackoverflow.com/a/1119769
pub fn num_to_cat(num: u32, alphabet: Vec<String>, char_length: u32) -> String {
let mut num: u32 = num.clone();
let base: u32 = alphabet.len() as u32;
// base*n*-ifying logic
let mut nums: Vec<u32> = Vec::new();
while (nums.len() as u32) < char_length {
nums.push((num as u32) % base);
num /= base;
}
nums.reverse();
let mut result: Vec<String> = Vec::new();
for item in nums {
result.push(alphabet[item as usize].clone());
}
return result.join(" ");
}
/// Converts catspeak to a [`u32`]
pub fn cat_to_num(text: Vec<String>, alphabet: Vec<String>, char_length: u32) -> u32 {
let mut nums: Vec<u32> = Vec::new();
for word in text {
for i in 0..alphabet.len() {
if word == alphabet[i] {
nums.push(i as u32);
break;
}
}
}
let base = alphabet.len();
let mut num = 0 as u32;
for n in 0..nums.len() {
let power = (char_length - (n as u32 + 1)) as u32;
num += nums[n] * (base as u32).pow(power);
}
return num;
}