mirror of https://github.com/sharkdp/bat.git
36 lines
934 B
Rust
36 lines
934 B
Rust
use std::borrow::Cow;
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use std::collections::HashMap;
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#[derive(Debug, Clone, Default)]
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pub struct SyntaxMapping(HashMap<String, String>);
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impl SyntaxMapping {
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pub fn new() -> SyntaxMapping {
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Default::default()
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}
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pub fn insert(&mut self, from: impl Into<String>, to: impl Into<String>) -> Option<String> {
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self.0.insert(from.into(), to.into())
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}
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pub fn replace<'a>(&self, input: impl Into<Cow<'a, str>>) -> Cow<'a, str> {
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let input = input.into();
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match self.0.get(input.as_ref()) {
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Some(s) => Cow::from(s.clone()),
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None => input,
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}
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}
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}
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#[test]
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fn basic() {
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let mut map = SyntaxMapping::new();
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map.insert("Cargo.lock", "toml");
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map.insert(".ignore", ".gitignore");
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assert_eq!("toml", map.replace("Cargo.lock"));
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assert_eq!("other.lock", map.replace("other.lock"));
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assert_eq!(".gitignore", map.replace(".ignore"));
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}
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