104 lines
2.5 KiB
Rust
104 lines
2.5 KiB
Rust
use arrayvec::{ArrayString, CapacityError};
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use rand::Rng;
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use std::{
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error::Error,
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fmt::{Debug, Display},
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};
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#[derive(Debug)]
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pub struct LeekCapacityError(CapacityError);
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impl Display for LeekCapacityError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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Display::fmt(&self.0, f)
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}
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}
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impl Error for LeekCapacityError {}
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impl<T> From<CapacityError<T>> for LeekCapacityError {
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fn from(e: CapacityError<T>) -> Self {
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Self { 0: e.simplify() }
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}
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}
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type LeekResult = Result<ArrayString<512>, LeekCapacityError>;
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pub fn mock(input: &str) -> LeekResult {
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let mut builder = ArrayString::<512>::new();
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for ch in input.chars() {
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if rand::random() {
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builder.push(ch.to_ascii_uppercase());
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} else {
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builder.push(ch.to_ascii_lowercase());
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}
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}
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Ok(builder)
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}
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pub fn leetify(input: &str) -> LeekResult {
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let mut builder = ArrayString::<512>::new();
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for ch in input.chars() {
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builder.push(match ch {
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'a' => '4',
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'e' => '3',
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'i' => '1',
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'o' => '0',
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'g' => '6',
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's' => '5',
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't' => '7',
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'b' => '8',
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_ => ch,
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});
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}
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Ok(builder)
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}
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pub fn owoify(input: &str) -> LeekResult {
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let mut builder: ArrayString<512> = ArrayString::from("\x1d")?;
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let mut rng = rand::thread_rng();
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let mut last_char = '\0';
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for byte in input.bytes() {
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let mut ch = char::from(byte);
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if !ch.is_ascii() {
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continue;
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}
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// owoify character
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ch = match ch.to_ascii_lowercase() {
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'r' | 'l' => 'w',
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_ => ch,
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};
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// stutter (e.g. "o-ohayou gozaimasu!")
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if last_char == ' ' && rng.gen_bool(0.2) {
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builder.try_push(ch)?;
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builder.try_push('-')?;
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}
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match ch {
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// nya-ify
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'a' | 'e' | 'i' | 'o' | 'u' if last_char == 'n' => {
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builder.try_push('y')?;
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}
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// textmoji
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'.' => {
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builder.try_push_str(match rng.gen_range(0..6) {
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1 => " OwO",
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2 => " (◕ᴗ◕✿)",
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3 => " >w<",
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4 => " >_<",
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5 => " ^•ﻌ•^",
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_ => " ^^",
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})?;
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}
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_ => {}
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}
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builder.try_push(ch)?;
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last_char = ch;
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}
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builder.try_push_str("~~")?;
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Ok(builder)
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}
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