diff options
Diffstat (limited to 'helix-core/src')
| -rw-r--r-- | helix-core/src/config.rs | 45 | ||||
| -rw-r--r-- | helix-core/src/syntax.rs | 150 |
2 files changed, 136 insertions, 59 deletions
diff --git a/helix-core/src/config.rs b/helix-core/src/config.rs index 2076fc22..27cd4e29 100644 --- a/helix-core/src/config.rs +++ b/helix-core/src/config.rs @@ -1,10 +1,45 @@ -/// Syntax configuration loader based on built-in languages.toml. -pub fn default_syntax_loader() -> crate::syntax::Configuration { +use crate::syntax::{Configuration, Loader, LoaderError}; + +/// Language configuration based on built-in languages.toml. +pub fn default_lang_config() -> Configuration { helix_loader::config::default_lang_config() .try_into() - .expect("Could not serialize built-in languages.toml") + .expect("Could not deserialize built-in languages.toml") } -/// Syntax configuration loader based on user configured languages.toml. -pub fn user_syntax_loader() -> Result<crate::syntax::Configuration, toml::de::Error> { + +/// Language configuration loader based on built-in languages.toml. +pub fn default_lang_loader() -> Loader { + Loader::new(default_lang_config()).expect("Could not compile loader for default config") +} + +#[derive(Debug)] +pub enum LanguageLoaderError { + DeserializeError(toml::de::Error), + LoaderError(LoaderError), +} + +impl std::fmt::Display for LanguageLoaderError { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + Self::DeserializeError(err) => write!(f, "Failed to parse language config: {err}"), + Self::LoaderError(err) => write!(f, "Failed to compile language config: {err}"), + } + } +} + +impl std::error::Error for LanguageLoaderError {} + +/// Language configuration based on user configured languages.toml. +pub fn user_lang_config() -> Result<Configuration, toml::de::Error> { helix_loader::config::user_lang_config()?.try_into() } + +/// Language configuration loader based on user configured languages.toml. +pub fn user_lang_loader() -> Result<Loader, LanguageLoaderError> { + let config: Configuration = helix_loader::config::user_lang_config() + .map_err(LanguageLoaderError::DeserializeError)? + .try_into() + .map_err(LanguageLoaderError::DeserializeError)?; + + Loader::new(config).map_err(LanguageLoaderError::LoaderError) +} diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs index 24de1a33..99b5a3d1 100644 --- a/helix-core/src/syntax.rs +++ b/helix-core/src/syntax.rs @@ -82,12 +82,6 @@ pub struct Configuration { pub language_server: HashMap<String, LanguageServerConfiguration>, } -impl Default for Configuration { - fn default() -> Self { - crate::config::default_syntax_loader() - } -} - // largely based on tree-sitter/cli/src/loader.rs #[derive(Debug, Serialize, Deserialize)] #[serde(rename_all = "kebab-case", deny_unknown_fields)] @@ -164,9 +158,11 @@ pub enum FileType { /// The extension of the file, either the `Path::extension` or the full /// filename if the file does not have an extension. Extension(String), - /// The suffix of a file. This is compared to a given file's absolute - /// path, so it can be used to detect files based on their directories. - Suffix(String), + /// A Unix-style path glob. This is compared to the file's absolute path, so + /// it can be used to detect files based on their directories. If the glob + /// is not an absolute path and does not already start with a glob pattern, + /// a glob pattern will be prepended to it. + Glob(globset::Glob), } impl Serialize for FileType { @@ -178,9 +174,9 @@ impl Serialize for FileType { match self { FileType::Extension(extension) => serializer.serialize_str(extension), - FileType::Suffix(suffix) => { + FileType::Glob(glob) => { let mut map = serializer.serialize_map(Some(1))?; - map.serialize_entry("suffix", &suffix.replace(std::path::MAIN_SEPARATOR, "/"))?; + map.serialize_entry("glob", glob.glob())?; map.end() } } @@ -213,9 +209,20 @@ impl<'de> Deserialize<'de> for FileType { M: serde::de::MapAccess<'de>, { match map.next_entry::<String, String>()? { - Some((key, suffix)) if key == "suffix" => Ok(FileType::Suffix({ - suffix.replace('/', std::path::MAIN_SEPARATOR_STR) - })), + Some((key, mut glob)) if key == "glob" => { + // If the glob isn't an absolute path or already starts + // with a glob pattern, add a leading glob so we + // properly match relative paths. + if !glob.starts_with('/') && !glob.starts_with("*/") { + glob.insert_str(0, "*/"); + } + + globset::Glob::new(glob.as_str()) + .map(FileType::Glob) + .map_err(|err| { + serde::de::Error::custom(format!("invalid `glob` pattern: {}", err)) + }) + } Some((key, _value)) => Err(serde::de::Error::custom(format!( "unknown key in `file-types` list: {}", key @@ -752,6 +759,47 @@ pub struct SoftWrap { pub wrap_at_text_width: Option<bool>, } +#[derive(Debug)] +struct FileTypeGlob { + glob: globset::Glob, + language_id: usize, +} + +impl FileTypeGlob { + fn new(glob: globset::Glob, language_id: usize) -> Self { + Self { glob, language_id } + } +} + +#[derive(Debug)] +struct FileTypeGlobMatcher { + matcher: globset::GlobSet, + file_types: Vec<FileTypeGlob>, +} + +impl FileTypeGlobMatcher { + fn new(file_types: Vec<FileTypeGlob>) -> Result<Self, globset::Error> { + let mut builder = globset::GlobSetBuilder::new(); + for file_type in &file_types { + builder.add(file_type.glob.clone()); + } + + Ok(Self { + matcher: builder.build()?, + file_types, + }) + } + + fn language_id_for_path(&self, path: &Path) -> Option<&usize> { + self.matcher + .matches(path) + .iter() + .filter_map(|idx| self.file_types.get(*idx)) + .max_by_key(|file_type| file_type.glob.glob().len()) + .map(|file_type| &file_type.language_id) + } +} + // Expose loader as Lazy<> global since it's always static? #[derive(Debug)] @@ -759,7 +807,7 @@ pub struct Loader { // highlight_names ? language_configs: Vec<Arc<LanguageConfiguration>>, language_config_ids_by_extension: HashMap<String, usize>, // Vec<usize> - language_config_ids_by_suffix: HashMap<String, usize>, + language_config_ids_glob_matcher: FileTypeGlobMatcher, language_config_ids_by_shebang: HashMap<String, usize>, language_server_configs: HashMap<String, LanguageServerConfiguration>, @@ -767,66 +815,57 @@ pub struct Loader { scopes: ArcSwap<Vec<String>>, } +pub type LoaderError = globset::Error; + impl Loader { - pub fn new(config: Configuration) -> Self { - let mut loader = Self { - language_configs: Vec::new(), - language_server_configs: config.language_server, - language_config_ids_by_extension: HashMap::new(), - language_config_ids_by_suffix: HashMap::new(), - language_config_ids_by_shebang: HashMap::new(), - scopes: ArcSwap::from_pointee(Vec::new()), - }; + pub fn new(config: Configuration) -> Result<Self, LoaderError> { + let mut language_configs = Vec::new(); + let mut language_config_ids_by_extension = HashMap::new(); + let mut language_config_ids_by_shebang = HashMap::new(); + let mut file_type_globs = Vec::new(); for config in config.language { // get the next id - let language_id = loader.language_configs.len(); + let language_id = language_configs.len(); for file_type in &config.file_types { // entry().or_insert(Vec::new).push(language_id); match file_type { - FileType::Extension(extension) => loader - .language_config_ids_by_extension - .insert(extension.clone(), language_id), - FileType::Suffix(suffix) => loader - .language_config_ids_by_suffix - .insert(suffix.clone(), language_id), + FileType::Extension(extension) => { + language_config_ids_by_extension.insert(extension.clone(), language_id); + } + FileType::Glob(glob) => { + file_type_globs.push(FileTypeGlob::new(glob.to_owned(), language_id)); + } }; } for shebang in &config.shebangs { - loader - .language_config_ids_by_shebang - .insert(shebang.clone(), language_id); + language_config_ids_by_shebang.insert(shebang.clone(), language_id); } - loader.language_configs.push(Arc::new(config)); + language_configs.push(Arc::new(config)); } - loader + Ok(Self { + language_configs, + language_config_ids_by_extension, + language_config_ids_glob_matcher: FileTypeGlobMatcher::new(file_type_globs)?, + language_config_ids_by_shebang, + language_server_configs: config.language_server, + scopes: ArcSwap::from_pointee(Vec::new()), + }) } pub fn language_config_for_file_name(&self, path: &Path) -> Option<Arc<LanguageConfiguration>> { // Find all the language configurations that match this file name // or a suffix of the file name. - let configuration_id = path - .file_name() - .and_then(|n| n.to_str()) - .and_then(|file_name| self.language_config_ids_by_extension.get(file_name)) + let configuration_id = self + .language_config_ids_glob_matcher + .language_id_for_path(path) .or_else(|| { path.extension() .and_then(|extension| extension.to_str()) .and_then(|extension| self.language_config_ids_by_extension.get(extension)) - }) - .or_else(|| { - self.language_config_ids_by_suffix - .iter() - .find_map(|(file_type, id)| { - if path.to_str()?.ends_with(file_type) { - Some(id) - } else { - None - } - }) }); configuration_id.and_then(|&id| self.language_configs.get(id).cloned()) @@ -2592,7 +2631,8 @@ mod test { let loader = Loader::new(Configuration { language: vec![], language_server: HashMap::new(), - }); + }) + .unwrap(); let language = get_language("rust").unwrap(); let query = Query::new(language, query_str).unwrap(); @@ -2654,7 +2694,8 @@ mod test { let loader = Loader::new(Configuration { language: vec![], language_server: HashMap::new(), - }); + }) + .unwrap(); let language = get_language("rust").unwrap(); let config = HighlightConfiguration::new( @@ -2760,7 +2801,8 @@ mod test { let loader = Loader::new(Configuration { language: vec![], language_server: HashMap::new(), - }); + }) + .unwrap(); let language = get_language(language_name).unwrap(); let config = HighlightConfiguration::new(language, "", "", "").unwrap(); |