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Find syntax ignoring known backup/template filename suffixes 

For example, fall back to `foo.extension` for `foo.extension~`,
`foo.extension.orig`, `foo.extension.in.in` etc.
This commit is contained in:
Ville Skyttä 2021-06-13 23:36:38 +03:00 committed by David Peter
parent fddd11a205
commit 355e62efe9
1 changed files with 27 additions and 2 deletions
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29
src/assets.rs
View File

@ -23,6 +23,17 @@ pub struct HighlightingAssets {
fallback_theme: Option<&'static str>,
}
const IGNORED_SUFFIXES: [&str; 10] = [
// Editor etc backups
"~", ".bak", ".old", ".orig",
// Debian and derivatives apt/dpkg backups
".dpkg-dist", ".dpkg-old",
// Red Hat and derivatives rpm backups
".rpmnew", ".rpmorig", ".rpmsave",
// Build system input/template files
".in",
];
impl HighlightingAssets {
pub fn default_theme() -> &'static str {
"Monokai Extended"
@ -273,12 +284,26 @@ impl HighlightingAssets {
self.syntax_set
.find_syntax_by_extension(file_name.to_str().unwrap_or_default())
.or_else(|| {
let file_path = Path::new(file_name);
self.syntax_set.find_syntax_by_extension(
Path::new(file_name)
file_path
.extension()
.and_then(|x| x.to_str())
.unwrap_or_default(),
)
).or_else(|| {
let file_str = file_path.to_str().unwrap_or_default();
for suffix in IGNORED_SUFFIXES.iter() {
if file_str.ends_with(suffix) {
return self.get_extension_syntax(
OsStr::new(
file_str
.strip_suffix(suffix)
.unwrap_or_default()
));
}
}
None
})
})
}