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@ -1,6 +1,11 @@
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use std::collections::HashMap;
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use std::{
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collections::HashMap,
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path::{Path, PathBuf},
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};
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use anyhow::Context;
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use log::warn;
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use once_cell::sync::Lazy;
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use serde::{Deserialize, Deserializer};
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use toml::Value;
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@ -86,7 +91,84 @@ pub use tui::style::{Color, Modifier, Style};
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// }
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/// Color theme for syntax highlighting.
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#[derive(Debug)]
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pub static DEFAULT_THEME: Lazy<Theme> = Lazy::new(|| {
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toml::from_slice(include_bytes!("../../theme.toml")).expect("Failed to parse default theme")
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});
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#[derive(Clone, Debug)]
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pub struct Loader {
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user_dir: PathBuf,
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default_dir: PathBuf,
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}
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impl Loader {
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/// Creates a new loader that can load themes from two directories.
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pub fn new<P: AsRef<Path>>(user_dir: P, default_dir: P) -> Self {
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Self {
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user_dir: user_dir.as_ref().join("themes"),
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default_dir: default_dir.as_ref().join("themes"),
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}
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}
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/// Loads a theme first looking in the `user_dir` then in `default_dir`
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pub fn load(&self, name: &str) -> Result<Theme, anyhow::Error> {
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if name == "default" {
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return Ok(self.default());
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}
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let filename = format!("{}.toml", name);
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let user_path = self.user_dir.join(&filename);
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let path = if user_path.exists() {
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user_path
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} else {
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self.default_dir.join(filename)
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};
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let data = std::fs::read(&path)?;
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toml::from_slice(data.as_slice()).context("Failed to deserialize theme")
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}
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pub fn read_names(path: &Path) -> Vec<String> {
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std::fs::read_dir(path)
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.map(|entries| {
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entries
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.filter_map(|entry| {
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if let Ok(entry) = entry {
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let path = entry.path();
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if let Some(ext) = path.extension() {
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if ext != "toml" {
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return None;
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}
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return Some(
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entry
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.file_name()
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.to_string_lossy()
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.trim_end_matches(".toml")
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.to_owned(),
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);
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}
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}
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None
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})
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.collect()
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})
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.unwrap_or_default()
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}
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/// Lists all theme names available in default and user directory
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pub fn names(&self) -> Vec<String> {
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let mut names = Self::read_names(&self.user_dir);
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names.extend(Self::read_names(&self.default_dir));
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names
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}
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/// Returns the default theme
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pub fn default(&self) -> Theme {
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DEFAULT_THEME.clone()
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}
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}
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#[derive(Clone, Debug)]
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pub struct Theme {
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scopes: Vec<String>,
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styles: HashMap<String, Style>,
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