mirror of https://github.com/sharkdp/bat.git
36 lines
907 B
Rust
36 lines
907 B
Rust
use std::borrow::Cow;
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use std::collections::HashMap;
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#[derive(Debug, Clone)]
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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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SyntaxMapping(HashMap::new())
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}
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pub fn insert(&mut self, from: String, to: String) -> Option<String> {
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self.0.insert(from, to)
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}
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pub fn replace<'a>(&self, input: &'a str) -> Cow<'a, str> {
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let mut out = Cow::from(input);
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if let Some(value) = self.0.get(input) {
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out = Cow::from(value.clone())
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}
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out
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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".into(), "toml".into());
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map.insert(".ignore".into(), ".gitignore".into());
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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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