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4ceb59d052
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9bcfd8d2e5
5 changed files with 58 additions and 81 deletions
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@ -66,4 +66,3 @@ This currently only supports lowercase text in the latin alphabet, and byte arra
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- Improve CLI
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- Add error handling
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- Do `AsRef` stuff
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- Add u16/2-byte encoding in addition to just u8 for greater efficiency
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@ -1,21 +1,52 @@
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//! This module translates text
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use crate::core;
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pub fn alphabet() -> Vec<String> {
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return vec![
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"meow", "mrrp", "mreow", "mrow", "nya~", "nyaaaa~", "mraow", "mew", "prrp", "mewo",
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"purrrr", "nya",
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]
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.into_iter()
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.map(|a| a.to_string())
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.collect();
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}
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pub fn max_base() -> u32 {
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return alphabet().len() as u32;
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}
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/// Returns the minimum catspeak words per character needed for this base
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///
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/// ```
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/// use cat2text::anybase::char_length;
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///
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/// let base = 10;
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/// assert_eq!(char_length(base), 2)
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/// ```
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pub fn char_length(base: u32) -> u32 {
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for i in 1..base + 1 {
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let num = base.pow(i);
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if num > 26 {
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return i;
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}
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}
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return u32::MAX;
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}
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/// Encodes text into catspeak using any base up to [`max_base()`]
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///
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/// `char_length` is set manually, but the minimum can be generated using [`char_length()`]
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///
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/// ```
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/// use cat2text::{anybase::encode, core::char_length};
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/// use cat2text::anybase;
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///
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/// let text = "i love cats".to_string();
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/// let base = 10;
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/// let char_length = char_length(base);
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/// let char_length = anybase::char_length(base);
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///
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/// assert_eq!("meow mewo; mrrp mreow mrrp nyaaaa~ mreow mreow meow nyaaaa~; meow mrow meow mrrp mreow meow mrrp mewo", encode(text, base, char_length));
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/// assert_eq!("meow mewo; mrrp mreow mrrp nyaaaa~ mreow mreow meow nyaaaa~; meow mrow meow mrrp mreow meow mrrp mewo", anybase::encode(text, base, char_length));
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/// ```
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pub fn encode(text: String, base: u32, char_length: u32) -> String {
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let mut shortened_alphabet = core::alphabet();
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let mut shortened_alphabet = alphabet();
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shortened_alphabet.truncate(base as usize);
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// makes it lowercase and split by spaces
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@ -52,18 +83,18 @@ pub fn encode(text: String, base: u32, char_length: u32) -> String {
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/// `char_length` is set manually, but the minimum can be generated using [`char_length()`]
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///
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/// ```
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/// use cat2text::{anybase::decode, core::char_length};
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/// use cat2text::anybase;
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///
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/// let text = "meow mewo; mrrp mreow mrrp nyaaaa~ mreow mreow meow nyaaaa~; meow mrow meow mrrp mreow meow mrrp mewo".to_string();
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/// let base = 10;
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/// let char_length = char_length(base);
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/// let char_length = anybase::char_length(base);
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/// assert_eq!("i love cats", decode(text, base, char_length));
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/// assert_eq!("i love cats", anybase::decode(text, base, char_length));
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/// ```
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pub fn decode(text: String, base: u32, char_length: u32) -> String {
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let catspeak_words: Vec<String> = text.split("; ").map(|item| item.to_string()).collect();
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let mut output: String = String::new();
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let mut shortened_alphabet = core::alphabet();
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let mut shortened_alphabet = alphabet();
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shortened_alphabet.truncate(base as usize);
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for engl_word in catspeak_words {
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let mut word = String::new();
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@ -87,11 +118,12 @@ pub fn decode(text: String, base: u32, char_length: u32) -> String {
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}
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pub mod bytes {
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use super::alphabet;
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use crate::core;
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/// Encodes from bytes into catspeak
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///
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/// ```
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/// use cat2text::{anybase::bytes::encode, core::char_length};
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/// use cat2text::anybase::{bytes::encode, char_length};
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///
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/// let bytes = &[9, 1];
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/// let base = 10;
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@ -101,7 +133,7 @@ pub mod bytes {
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/// ```
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pub fn encode(bytes: impl AsRef<[u8]>, base: u32, char_length: u32) -> String {
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let mut output = String::new();
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let mut shortened_alphabet = core::alphabet();
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let mut shortened_alphabet = alphabet();
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shortened_alphabet.truncate(base as usize);
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for byte in bytes.as_ref() {
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output += core::num_to_cat(*byte as u32, shortened_alphabet.clone(), char_length).as_str();
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@ -113,7 +145,7 @@ pub mod bytes {
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/// Decodes catspeak into bytes
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///
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/// ```
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/// use cat2text::{anybase::bytes::decode, core::char_length};
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/// use cat2text::anybase::{bytes::decode, char_length};
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///
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/// let text = "mreow mrrp meow mrrp".to_string();
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/// let base = 10;
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@ -126,7 +158,7 @@ pub mod bytes {
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/// ```
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pub fn decode(text: String, base: u32, char_length: u32) -> Vec<u8> {
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let mut output: Vec<u8> = Vec::new();
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let mut shortened_alphabet = core::alphabet();
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let mut shortened_alphabet = alphabet();
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shortened_alphabet.truncate(base as usize);
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for byte in core::split_every_x(text.clone(), char_length) {
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output.push(core::cat_to_num(
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@ -138,4 +170,3 @@ pub mod bytes {
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return output.into();
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}
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}
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// ...
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15
src/base4.rs
15
src/base4.rs
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@ -1,15 +1,12 @@
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//! This module handles base 4, like the original [Cat2Text](https://github.com/Evelyn3440/Cat2Text); it can translate either english text a-z, or byte arrays (see [`bytes`])
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use crate::core;
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use crate::anybase;
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/// Returns the alphabet used by `cat2text::base4`
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pub fn alphabet() -> Vec<String> {
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let mut tmp = core::alphabet();
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let mut tmp = anybase::alphabet();
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tmp.truncate(4);
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return tmp;
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}
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/// How many words long an english character is when translated to catspeak
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/// How many words long a character is when translated to catspeak
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pub fn char_length() -> u32 {
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return 3;
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}
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@ -38,7 +35,6 @@ pub fn decode(text: String) -> String {
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}
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pub mod bytes {
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//! This handles encoding and decoding bytes to/from catspeak
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use crate::anybase;
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use super::char_length;
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/// Encodes from bytes into catspeak
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@ -46,7 +42,7 @@ pub mod bytes {
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/// ```
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/// use cat2text::base4::bytes::encode;
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///
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/// assert_eq!("meow mreow mrrp meow meow mrrp", encode(&[9, 1]));
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/// assert_eq!("meow meow mreow mrrp meow meow meow mrrp", encode(&[9, 1]));
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/// ```
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pub fn encode(bytes: impl AsRef<[u8]>) -> String {
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anybase::bytes::encode(bytes, 4, char_length())
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@ -57,9 +53,10 @@ pub mod bytes {
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/// ```
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/// use cat2text::base4::bytes::decode;
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///
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/// assert_eq!(vec![9, 1], decode("meow mreow mrrp meow meow mrrp".to_string()));
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/// assert_eq!(vec![9, 1], decode("meow meow mreow mrrp meow meow meow mrrp".to_string()));
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/// ```
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pub fn decode(text: String) -> Vec<u8> {
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anybase::bytes::decode(text, 4, char_length())
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}
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}
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}
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// ..............d......4..............a.q..a....y..d..w...a............
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58
src/core.rs
58
src/core.rs
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@ -58,16 +58,14 @@ pub fn cat_to_num(text: Vec<String>, alphabet: Vec<String>, char_length: u32) ->
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return num;
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}
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/// Splits a word encoded in catspeak every *x* segments
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///
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/// Used for decoding by splitting words apart into letters which can then be decoded individually
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/// Splits a cat word into every x segments
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///
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/// ```ignore
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/// ```
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/// use cat2text::core::split_every_x;
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///
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/// assert_eq!(vec!["meow meow mrrp".to_string(), "meow mreow mrrp".to_string()], split_every_x("meow meow mrrp meow mreow mrrp".to_string(), 3));
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/// assert_eq!(vec!["meow meow mrrp".to_string(), "meow mreow mrrp".to_string(), "mreow meow mrrp".to_string()], split_every_x("meow meow mrrp meow mreow mrrp mreow meow mrrp".to_string(), 3));
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/// ```
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pub(crate) fn split_every_x(text: String, x: u32) -> Vec<String> {
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pub fn split_every_x(text: String, x: u32) -> Vec<String> {
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let x = x as usize;
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let delim = " ";
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let tmp: Vec<String> = text.split(delim).map(|item| item.to_string()).collect();
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@ -84,51 +82,3 @@ pub(crate) fn split_every_x(text: String, x: u32) -> Vec<String> {
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output = output.into_iter().map(|item| item.trim().to_string()).collect();
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return output;
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}
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/// Returns all cat sounds in the catspeak alphabet
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///
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/// ```
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/// use cat2text::core::alphabet;
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///
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/// println!("{:?}", alphabet());
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/// ```
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pub fn alphabet() -> Vec<String> {
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return vec![
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"meow", "mrrp", "mreow", "mrow", "nya~", "nyaaaa~", "mraow", "mew", "prrp", "mewo",
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"purrrr", "nya", "miao", "miau", "miauw", "mrow~"
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]
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.into_iter()
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.map(|a| a.to_string())
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.collect();
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}
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/// Returns the max base that can be used
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///
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/// For example, if the available alphabet was `["meow", "mrrp", "mreow", "mrow"]`, the max base would be 4
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///
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/// ```
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/// use cat2text::core::max_base;
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///
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/// println!("{}", max_base());
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/// ```
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pub fn max_base() -> u32 {
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return alphabet().len() as u32;
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}
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/// Returns the minimum catspeak words per character needed for this base
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///
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/// ```
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/// use cat2text::core::char_length;
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///
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/// let base = 10;
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/// assert_eq!(char_length(base), 2)
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/// ```
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pub fn char_length(base: u32) -> u32 {
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for i in 1..base + 1 {
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let num = base.pow(i);
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if num > 26 {
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return i;
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}
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}
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return u32::MAX;
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}
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@ -1,11 +1,11 @@
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#[test]
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fn test_anybase_base4() {
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use crate::{anybase, base4, core};
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use crate::{anybase, base4};
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let text = "i love cats".to_string();
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let encoded = anybase::encode(text.clone(), 4, core::char_length(4));
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let encoded = anybase::encode(text.clone(), 4, anybase::char_length(4));
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assert_eq!(base4::encode(text), encoded);
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let decoded = anybase::decode(encoded.clone(), 4, core::char_length(4));
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let decoded = anybase::decode(encoded.clone(), 4, anybase::char_length(4));
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assert_eq!(base4::decode(encoded), decoded);
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}
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