mirror of https://github.com/Aloxaf/silicon
48 lines
1.5 KiB
Rust
48 lines
1.5 KiB
Rust
use std::path::Path;
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use crate::directories::PROJECT_DIRS;
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use anyhow::Result;
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use syntect::dumps;
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use syntect::highlighting::ThemeSet;
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use syntect::parsing::SyntaxSet;
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const DEFAULT_SYNTAXSET: &'static [u8] = include_bytes!("../assets/syntaxes.bin");
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const DEFAULT_THEMESET: &'static [u8] = include_bytes!("../assets/themes.bin");
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pub struct HighlightingAssets {
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pub syntax_set: SyntaxSet,
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pub theme_set: ThemeSet,
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}
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impl HighlightingAssets {
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pub fn new() -> Self {
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Self::from_dump_file().unwrap_or_else(|_| Self {
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syntax_set: dumps::from_binary(DEFAULT_SYNTAXSET),
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theme_set: dumps::from_binary(DEFAULT_THEMESET),
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})
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}
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pub fn from_dump_file() -> Result<Self> {
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let cache_dir = PROJECT_DIRS.cache_dir();
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Ok(Self {
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syntax_set: dumps::from_dump_file(cache_dir.join("syntaxes.bin"))?,
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theme_set: dumps::from_dump_file(cache_dir.join("themes.bin"))?,
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})
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}
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pub fn add_from_folder<P: AsRef<Path>>(&mut self, path: P) -> Result<()> {
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let path = path.as_ref();
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self.theme_set.add_from_folder(path.join("themes"))?;
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let mut builder = self.syntax_set.clone().into_builder();
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builder.add_from_folder(path.join("syntaxes"), true)?;
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self.syntax_set = builder.build();
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Ok(())
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}
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pub fn dump_to_file(&self) -> Result<()> {
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dumps::dump_to_file(&self.syntax_set, "./syntaxes.bin")?;
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dumps::dump_to_file(&self.theme_set, "./themes.bin")?;
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Ok(())
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}
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}
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