diff options
Diffstat (limited to 'helix-core/src/syntax.rs')
| -rw-r--r-- | helix-core/src/syntax.rs | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs index 84952248..0164092d 100644 --- a/helix-core/src/syntax.rs +++ b/helix-core/src/syntax.rs @@ -14,8 +14,6 @@ use std::{ cell::RefCell, collections::{HashMap, HashSet}, fmt, - fs::File, - io::Read, path::Path, sync::Arc, }; @@ -308,15 +306,12 @@ impl Loader { // TODO: content_regex handling conflict resolution } - pub fn language_config_for_shebang(&self, path: &Path) -> Option<Arc<LanguageConfiguration>> { - // Read the first 128 bytes of the file. If its a shebang line, try to find the language - let file = File::open(path).ok()?; - let mut buf = String::with_capacity(128); - file.take(128).read_to_string(&mut buf).ok()?; + pub fn language_config_for_shebang(&self, source: &Rope) -> Option<Arc<LanguageConfiguration>> { + let line = Cow::from(source.line(0)); static SHEBANG_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"^#!\s*(?:\S*[/\\](?:env\s+)?)?([^\s\.\d]+)").unwrap()); let configuration_id = SHEBANG_REGEX - .captures(&buf) + .captures(&line) .and_then(|cap| self.language_config_ids_by_shebang.get(&cap[1])); configuration_id.and_then(|&id| self.language_configs.get(id).cloned()) |