add full anybase functionality
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500888f5e7
commit
8aeac4fb5d
2 changed files with 66 additions and 3 deletions
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@ -15,6 +15,13 @@ pub fn max_base() -> 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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@ -31,11 +38,12 @@ pub fn char_length(base: u32) -> u32 {
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///
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/// ```
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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 = anybase::char_length(base);
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///
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/// assert_eq!("", anybase::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 = alphabet();
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@ -76,6 +84,7 @@ pub fn encode(text: String, base: u32, char_length: u32) -> String {
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///
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/// ```
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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 = anybase::char_length(base);
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@ -89,7 +98,7 @@ pub fn decode(text: String, base: u32, char_length: u32) -> String {
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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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for engl_letter in core::split_every_x(engl_word, char_length as usize) {
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for engl_letter in core::split_every_x(engl_word, char_length) {
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let char_num = core::cat_to_num(
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engl_letter
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.split(" ")
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@ -108,3 +117,56 @@ pub fn decode(text: String, base: u32, char_length: u32) -> String {
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return output.trim().to_string();
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}
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pub mod bytes {
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use crate::anybase::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, 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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/// let char_length = char_length(base);
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///
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/// assert_eq!("meow mewo meow mrrp", encode(bytes, base, char_length));
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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 = 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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output += " ";
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}
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return output.trim().to_string();
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}
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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, 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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/// let char_length = char_length(base);
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///
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/// assert_eq!(
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/// vec![21, 1],
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/// decode(text, base, char_length)
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/// );
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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 = 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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byte.split(" ").map(|item| item.to_string()).collect(),
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shortened_alphabet.clone(),
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char_length,
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) as u8);
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}
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return output.into();
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}
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}
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@ -65,7 +65,8 @@ pub fn cat_to_num(text: Vec<String>, alphabet: Vec<String>, char_length: u32) ->
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///
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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 fn split_every_x(text: String, x: usize) -> 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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let mut output: Vec<String> = Vec::new();
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