From 9722d01b078dbf554431a3af3767012fce341b95 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Thu, 25 Jul 2024 16:39:49 +0200
Subject: editor add syntax highlighting using treesitter

---
 src/widgets/luaeditor/theme.rs | 43 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/widgets/luaeditor/theme.rs

(limited to 'src/widgets/luaeditor/theme.rs')

diff --git a/src/widgets/luaeditor/theme.rs b/src/widgets/luaeditor/theme.rs
new file mode 100644
index 0000000..2af8534
--- /dev/null
+++ b/src/widgets/luaeditor/theme.rs
@@ -0,0 +1,43 @@
+use ratatui::{style::{Color, Stylize}, text::Span};
+use tree_sitter_highlight::Highlight;
+
+
+static HIGHLIGHT_THEME: [Color; 29] = [
+    Color::White, // attribute
+    Color::White, // boolean
+    Color::DarkGray, // comment
+    Color::LightYellow, // conditional
+    Color::White, // constant
+    Color::White, // constant.builtin
+    Color::White, // constructor
+    Color::White, // field
+    Color::White, // function
+    Color::White, // function.builtin
+    Color::White, // function.call
+    Color::Yellow, // keyword
+    Color::LightYellow, // keyword.function
+    Color::White, // keyword.operator
+    Color::LightYellow, // keyword.return
+    Color::White, // label
+    Color::White, // method
+    Color::White, // method.call
+    Color::Blue, // number
+    Color::Gray, // operator
+    Color::White, // parameter
+    Color::White, // preproc
+    Color::Gray, // punctuation.bracket
+    Color::Gray, // punctuation.delimiter
+    Color::LightYellow, // repeat
+    Color::LightGreen, // string
+    Color::Yellow, // string.escape
+    Color::Gray, // variable
+    Color::White, // variable.builtin
+];
+
+pub fn theme_highlight_group(hl: Option<Highlight>, span: Span) -> Span {
+    if let Some(hl) = hl {
+        span.fg(HIGHLIGHT_THEME[hl.0])
+    } else {
+        span
+    }
+}
-- 
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