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use crate::java::Tokens;
use crate::{FormatTokens, Java};
use std::collections::BTreeSet;
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Hash)]
pub enum Modifier {
Default,
Public,
Protected,
Private,
Abstract,
Static,
Final,
Native,
}
impl Modifier {
pub fn name(&self) -> &'static str {
use self::Modifier::*;
match *self {
Default => "default",
Public => "public",
Protected => "protected",
Private => "private",
Abstract => "abstract",
Static => "static",
Final => "final",
Native => "native",
}
}
}
impl<'el> FormatTokens<'el, Java> for Modifier {
fn format_tokens(self, tokens: &mut Tokens<'el>) {
tokens.append(self.name());
}
}
impl<'el> FormatTokens<'el, Java> for Vec<Modifier> {
fn format_tokens(self, tokens: &mut Tokens<'el>) {
let mut it = self.into_iter().collect::<BTreeSet<_>>().into_iter();
if let Some(modifier) = it.next() {
modifier.format_tokens(tokens);
}
for modifier in it {
tokens.spacing();
modifier.format_tokens(tokens);
}
}
}
#[cfg(test)]
mod tests {
use super::Modifier;
use crate as genco;
use crate::{quote, Java, Tokens};
#[test]
fn test_vec() {
use self::Modifier::*;
let el: Tokens<Java> = quote!(#(vec![Public, Final, Static]));
assert_eq!(
Ok("public static final"),
el.to_string().as_ref().map(|s| s.as_str())
);
}
}