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Flesh out the markdown example a bit more

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This commit is contained in:
Héctor Ramón Jiménez 2024-07-18 13:14:56 +02:00
parent 910eb72a06
commit 904704d7c1
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GPG key ID: 7CC46565708259A7
10 changed files with 435 additions and 141 deletions
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37
highlighter/src/lib.rs
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@ -1,8 +1,9 @@
//! A syntax highlighter for iced.
use iced_core as core;
use crate::core::font::{self, Font};
use crate::core::text::highlighter::{self, Format};
use crate::core::{Color, Font};
use crate::core::Color;
use once_cell::sync::Lazy;
use std::ops::Range;
@ -35,7 +36,7 @@ impl highlighter::Highlighter for Highlighter {
fn new(settings: &Self::Settings) -> Self {
let syntax = SYNTAXES
.find_syntax_by_token(&settings.extension)
.find_syntax_by_token(&settings.token)
.unwrap_or_else(|| SYNTAXES.find_syntax_plain_text());
let highlighter = highlighting::Highlighter::new(
@ -55,7 +56,7 @@ impl highlighter::Highlighter for Highlighter {
fn update(&mut self, new_settings: &Self::Settings) {
self.syntax = SYNTAXES
.find_syntax_by_token(&new_settings.extension)
.find_syntax_by_token(&new_settings.token)
.unwrap_or_else(|| SYNTAXES.find_syntax_plain_text());
self.highlighter = highlighting::Highlighter::new(
@ -141,11 +142,11 @@ pub struct Settings {
///
/// It dictates the color scheme that will be used for highlighting.
pub theme: Theme,
/// The extension of the file to highlight.
/// The extension of the file or the name of the language to highlight.
///
/// The [`Highlighter`] will use the extension to automatically determine
/// The [`Highlighter`] will use the token to automatically determine
/// the grammar to use for highlighting.
pub extension: String,
pub token: String,
}
/// A highlight produced by a [`Highlighter`].
@ -166,7 +167,29 @@ impl Highlight {
///
/// If `None`, the original font should be unchanged.
pub fn font(&self) -> Option<Font> {
None
self.0.font_style.and_then(|style| {
let bold = style.contains(highlighting::FontStyle::BOLD);
let italic = style.contains(highlighting::FontStyle::ITALIC);
if bold || italic {
Some(Font {
weight: if bold {
font::Weight::Bold
} else {
font::Weight::Normal
},
style: if italic {
font::Style::Italic
} else {
font::Style::Normal
},
..Font::MONOSPACE
})
} else {
None
}
})
}
/// Returns the [`Format`] of the [`Highlight`].