mirror of
https://github.com/helix-editor/helix
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95 lines
3.5 KiB
Rust
95 lines
3.5 KiB
Rust
use std::collections::HashMap;
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use tui::style::{Color, Style};
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/// Color theme for syntax highlighting.
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pub struct Theme {
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scopes: Vec<String>,
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mapping: HashMap<&'static str, Style>,
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}
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// let highlight_names: Vec<String> = [
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// "attribute",
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// "constant.builtin",
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// "constant",
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// "function.builtin",
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// "function.macro",
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// "function",
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// "keyword",
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// "operator",
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// "property",
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// "punctuation",
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// "comment",
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// "escape",
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// "label",
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// // "punctuation.bracket",
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// "punctuation.delimiter",
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// "string",
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// "string.special",
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// "tag",
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// "type",
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// "type.builtin",
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// "constructor",
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// "variable",
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// "variable.builtin",
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// "variable.parameter",
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// "path",
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// ];
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impl Default for Theme {
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fn default() -> Self {
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let mapping = hashmap! {
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"attribute" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"keyword" => Style::default().fg(Color::Rgb(236, 205, 186)), // almond
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"punctuation" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"punctuation.delimiter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"operator" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"property" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"variable.parameter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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// TODO distinguish type from type.builtin?
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"type" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"type.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"constructor" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"function" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"function.macro" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"comment" => Style::default().fg(Color::Rgb(105, 124, 129)), // sirocco
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"variable.builtin" => Style::default().fg(Color::Rgb(159, 242, 143)), // mint
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"constant" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"constant.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"string" => Style::default().fg(Color::Rgb(204, 204, 204)), // silver
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"escape" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
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// used for lifetimes
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"label" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
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// TODO: diferentiate number builtin
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// TODO: diferentiate doc comment
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// TODO: variable as lilac
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// TODO: mod/use statements as white
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// TODO: mod stuff as chamoise
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// TODO: add "(scoped_identifier) @path" for std::mem::
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//
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// concat (ERROR) @syntax-error and "MISSING ;" selectors for errors
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"module" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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"variable" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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"function.builtin" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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};
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let scopes = mapping.keys().map(ToString::to_string).collect();
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Self { mapping, scopes }
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}
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}
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impl Theme {
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pub fn get(&self, scope: &str) -> Style {
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self.mapping
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.get(scope)
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.copied()
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.unwrap_or_else(|| Style::default().fg(Color::Rgb(0, 0, 255)))
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}
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pub fn scopes(&self) -> &[String] {
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&self.scopes
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}
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}
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