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wip: cloned theme loader as the icons loader and display the filetype…
… icon in the file picker
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| use anyhow::Context; | ||
| use once_cell::sync::Lazy; | ||
| use serde::Deserialize; | ||
| use std::collections::HashMap; | ||
| use std::path::{Path, PathBuf}; | ||
|
|
||
| #[derive(Debug, Clone, PartialEq, Deserialize)] | ||
| #[serde(rename_all = "kebab-case", deny_unknown_fields)] | ||
| pub struct Diagnostic { | ||
| pub error: char, | ||
| pub warning: char, | ||
| pub info: char, | ||
| pub notice: char, | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, PartialEq, Deserialize)] | ||
| #[serde(rename_all = "kebab-case", deny_unknown_fields)] | ||
| pub struct SymbolKind { | ||
| pub variable: char, | ||
| pub function: char, | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, PartialEq, Deserialize)] | ||
| #[serde(rename_all = "kebab-case", deny_unknown_fields)] | ||
| pub struct Icons { | ||
| mime_type: HashMap<String, char>, | ||
| pub diagnostic: Diagnostic, | ||
| pub symbol_kind: SymbolKind, | ||
| } | ||
|
|
||
| pub struct Loader { | ||
| user_dir: PathBuf, | ||
| default_dir: PathBuf, | ||
| } | ||
|
|
||
| pub static DEFAULT_ICONS: Lazy<Icons> = Lazy::new(|| { | ||
| toml::from_slice(include_bytes!("../../icons.toml")).expect("Failed to parse default icons") | ||
| }); | ||
|
|
||
| impl Icons { | ||
| pub fn mimetype_icon_for_path(&self, path: &Path) -> Option<&char> { | ||
| if let Some(extension) = path.extension().and_then(|e| e.to_str()) { | ||
| self.mime_type.get(extension) | ||
| } else { | ||
| if let Some(filename) = path.file_name().and_then(|f| f.to_str()) { | ||
| self.mime_type.get(filename) | ||
| } else { | ||
| None | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl Loader { | ||
| /// Creates a new loader that can load icons flavors from two directories. | ||
| pub fn new<P: AsRef<Path>>(user_dir: P, default_dir: P) -> Self { | ||
| Self { | ||
| user_dir: user_dir.as_ref().join("icons"), | ||
| default_dir: default_dir.as_ref().join("icons"), | ||
| } | ||
| } | ||
|
|
||
| /// Loads icons flavors first looking in the `user_dir` then in `default_dir` | ||
| pub fn load(&self, name: &str) -> Result<Icons, anyhow::Error> { | ||
| if name == "default" { | ||
| return Ok(self.default()); | ||
| } | ||
| let filename = format!("{}.toml", name); | ||
|
|
||
| let user_path = self.user_dir.join(&filename); | ||
| let path = if user_path.exists() { | ||
| user_path | ||
| } else { | ||
| self.default_dir.join(filename) | ||
| }; | ||
|
|
||
| let data = std::fs::read(&path)?; | ||
| toml::from_slice(data.as_slice()).context("Failed to deserialize icon") | ||
| } | ||
|
|
||
| pub fn read_names(path: &Path) -> Vec<String> { | ||
| std::fs::read_dir(path) | ||
| .map(|entries| { | ||
| entries | ||
| .filter_map(|entry| { | ||
| let entry = entry.ok()?; | ||
| let path = entry.path(); | ||
| (path.extension()? == "toml") | ||
| .then(|| path.file_stem().unwrap().to_string_lossy().into_owned()) | ||
| }) | ||
| .collect() | ||
| }) | ||
| .unwrap_or_default() | ||
| } | ||
|
|
||
| /// Lists all icons flavors names available in default and user directory | ||
| pub fn names(&self) -> Vec<String> { | ||
| let mut names = Self::read_names(&self.user_dir); | ||
| names.extend(Self::read_names(&self.default_dir)); | ||
| names | ||
| } | ||
|
|
||
| /// Returns the default icon flavor | ||
| pub fn default(&self) -> Icons { | ||
| DEFAULT_ICONS.clone() | ||
| } | ||
| } |
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