diff options
Diffstat (limited to 'helix-view/src/theme.rs')
-rw-r--r-- | helix-view/src/theme.rs | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/helix-view/src/theme.rs b/helix-view/src/theme.rs index 8b695898..efb6a1af 100644 --- a/helix-view/src/theme.rs +++ b/helix-view/src/theme.rs @@ -1,10 +1,11 @@ use std::collections::HashMap; +use log::warn; use serde::{Deserialize, Deserializer}; use toml::Value; #[cfg(feature = "term")] -pub use tui::style::{Color, Style}; +pub use tui::style::{Color, Modifier, Style}; // #[derive(Clone, Copy, PartialEq, Eq, Default, Hash)] // pub struct Color { @@ -115,6 +116,7 @@ impl<'de> Deserialize<'de> for Theme { } fn parse_style(style: &mut Style, value: Value) { + //TODO: alert user of parsing failures if let Value::Table(entries) = value { for (name, value) in entries { match name.as_str() { @@ -128,6 +130,13 @@ fn parse_style(style: &mut Style, value: Value) { *style = style.bg(color); } } + "modifiers" => { + if let Value::Array(arr) = value { + for modifier in arr.iter().filter_map(parse_modifier) { + *style = style.add_modifier(modifier); + } + } + } _ => (), } } @@ -157,9 +166,34 @@ fn parse_color(value: Value) -> Option<Color> { if let Some((red, green, blue)) = hex_string_to_rgb(&s) { Some(Color::Rgb(red, green, blue)) } else { + warn!("malformed hexcode in theme: {}", s); None } } else { + warn!("unrecognized value in theme: {}", value); + None + } +} + +fn parse_modifier(value: &Value) -> Option<Modifier> { + if let Value::String(s) = value { + match s.as_str() { + "bold" => Some(Modifier::BOLD), + "dim" => Some(Modifier::DIM), + "italic" => Some(Modifier::ITALIC), + "underlined" => Some(Modifier::UNDERLINED), + "slow_blink" => Some(Modifier::SLOW_BLINK), + "rapid_blink" => Some(Modifier::RAPID_BLINK), + "reversed" => Some(Modifier::REVERSED), + "hidden" => Some(Modifier::HIDDEN), + "crossed_out" => Some(Modifier::CROSSED_OUT), + _ => { + warn!("unrecognized modifier in theme: {}", s); + None + } + } + } else { + warn!("unrecognized modifier in theme: {}", value); None } } @@ -177,3 +211,39 @@ impl Theme { &self.scopes } } + +#[test] +fn test_parse_style_string() { + let fg = Value::String("#ffffff".to_string()); + + let mut style = Style::default(); + parse_style(&mut style, fg); + + assert_eq!(style, Style::default().fg(Color::Rgb(255, 255, 255))); +} + +#[test] +fn test_parse_style_table() { + let table = toml::toml! { + "keyword" = { + fg = "#ffffff", + bg = "#000000", + modifiers = ["bold"], + } + }; + + let mut style = Style::default(); + if let Value::Table(entries) = table { + for (_name, value) in entries { + parse_style(&mut style, value); + } + } + + assert_eq!( + style, + Style::default() + .fg(Color::Rgb(255, 255, 255)) + .bg(Color::Rgb(0, 0, 0)) + .add_modifier(Modifier::BOLD) + ); +} |