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use std::fmt::{self, Formatter};
use crate::{base_component::BaseComponent, component::Component};
#[derive(Clone, Debug)]
pub enum StringOrComponent {
String(String),
Component(Component),
}
#[derive(Clone, Debug)]
pub struct TranslatableComponent {
pub base: BaseComponent,
pub key: String,
pub args: Vec<StringOrComponent>,
}
impl TranslatableComponent {
pub fn new(key: String, args: Vec<StringOrComponent>) -> Self {
Self {
base: BaseComponent::new(),
key,
args,
}
}
pub fn read(&self) -> Result<String, fmt::Error> {
let template = azalea_language::get(&self.key).unwrap_or(&self.key);
// decode the % things
let mut result = String::new();
let mut i = 0;
let mut matched = 0;
// this code is ugly but it works
while i < template.len() {
if template.chars().nth(i).unwrap() == '%' {
let char_after = match template.chars().nth(i + 1) {
Some(c) => c,
None => {
result.push(template.chars().nth(i).unwrap());
break;
}
};
i += 1;
match char_after {
'%' => {
result.push('%');
}
's' => {
result.push_str(
&self
.args
.get(matched)
.unwrap_or(&StringOrComponent::String("".to_string()))
.to_string(),
);
matched += 1;
}
_ => {
// check if the char is a number
if let Some(d) = char_after.to_digit(10) {
// make sure the next two chars are $s
if let Some('$') = template.chars().nth(i + 1) {
if let Some('s') = template.chars().nth(i + 2) {
i += 2;
result.push_str(
&self
.args
.get((d - 1) as usize)
.unwrap_or(&StringOrComponent::String("".to_string()))
.to_string(),
);
} else {
return Err(fmt::Error);
}
} else {
return Err(fmt::Error);
}
} else {
i -= 1;
result.push('%');
}
}
}
} else {
result.push(template.chars().nth(i).unwrap());
}
i += 1
}
Ok(result.to_string())
}
}
impl fmt::Display for TranslatableComponent {
fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "{}", self.read()?)
}
}
impl fmt::Display for StringOrComponent {
fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), fmt::Error> {
match self {
StringOrComponent::String(s) => write!(f, "{}", s),
StringOrComponent::Component(c) => write!(f, "{}", c.to_ansi(None)),
}
}
}
// tests
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_none() {
let c = TranslatableComponent::new("translation.test.none".to_string(), vec![]);
assert_eq!(c.read(), Ok("Hello, world!".to_string()));
}
#[test]
fn test_complex() {
let c = TranslatableComponent::new(
"translation.test.complex".to_string(),
vec![
StringOrComponent::String("a".to_string()),
StringOrComponent::String("b".to_string()),
StringOrComponent::String("c".to_string()),
StringOrComponent::String("d".to_string()),
],
);
// so true mojang
assert_eq!(
c.read(),
Ok("Prefix, ab again b and a lastly c and also a again!".to_string())
);
}
#[test]
fn test_escape() {
let c = TranslatableComponent::new(
"translation.test.escape".to_string(),
vec![
StringOrComponent::String("a".to_string()),
StringOrComponent::String("b".to_string()),
StringOrComponent::String("c".to_string()),
StringOrComponent::String("d".to_string()),
],
);
assert_eq!(c.read(), Ok("%s %a %%s %%b".to_string()));
}
#[test]
fn test_invalid() {
let c = TranslatableComponent::new(
"translation.test.invalid".to_string(),
vec![
StringOrComponent::String("a".to_string()),
StringOrComponent::String("b".to_string()),
StringOrComponent::String("c".to_string()),
StringOrComponent::String("d".to_string()),
],
);
assert_eq!(c.read(), Ok("hi %".to_string()));
}
#[test]
fn test_invalid2() {
let c = TranslatableComponent::new(
"translation.test.invalid2".to_string(),
vec![
StringOrComponent::String("a".to_string()),
StringOrComponent::String("b".to_string()),
StringOrComponent::String("c".to_string()),
StringOrComponent::String("d".to_string()),
],
);
assert_eq!(c.read(), Ok("hi % s".to_string()));
}
}
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