oak-sass 0.0.11

High-performance incremental Sass parser for the oak ecosystem with flexible configuration, supporting CSS preprocessing and styling.
Documentation 
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#![doc = include_str!("readme.md")]
#[cfg(feature = "oak-highlight")]
pub mod highlighter;

#[cfg(feature = "lsp")]
use {
    futures::Future,
    oak_hover::{Hover as ProviderHover, HoverProvider},
    oak_lsp::{service::LanguageService, types::Hover as LspHover},
    oak_vfs::Vfs,
};
#[cfg(feature = "oak-pretty-print")]
pub mod formatter;
use crate::{SassLanguage, parser::element_type::SassElementType};
use core::range::Range;
use oak_core::tree::RedNode;
/// Hover provider implementation for Sass.
#[cfg(feature = "lsp")]
pub struct SassHoverProvider;
#[cfg(feature = "lsp")]
impl HoverProvider<SassLanguage> for SassHoverProvider {
    fn hover(&self, node: &RedNode<SassLanguage>, _range: Range<usize>) -> Option<ProviderHover> {
        let kind = node.green.kind;
        // Provide context-aware hover information
        let contents = match kind {
            SassElementType::Selector => "### Sass Selector\nSelects HTML elements to style.",
            SassElementType::Variable => "### Sass Variable\nStores a reusable CSS value.",
            SassElementType::Mixin => "### Sass Mixin\nDefines a reusable group of CSS declarations.",
            SassElementType::Function => "### Sass Function\nReturns a value based on arguments.",
            _ => return None,
        };
        Some(ProviderHover { contents: contents.to_string(), range: Some(node.span()) })
    }
}
/// Language service implementation for Sass.
#[cfg(feature = "lsp")]
pub struct SassLanguageService<V: Vfs> {
    vfs: V,
    workspace: oak_lsp::workspace::WorkspaceManager,
    hover_provider: SassHoverProvider,
}
impl<V: Vfs> SassLanguageService<V> {
    /// Creates a new `SassLanguageService`.
    pub fn new(vfs: V) -> Self {
        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: SassHoverProvider }
    }
}
impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for SassLanguageService<V> {
    type Lang = SassLanguage;
    type Vfs = V;
    fn vfs(&self) -> &Self::Vfs {
        &self.vfs
    }
    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
        &self.workspace
    }
    fn get_root(&self, _uri: &str) -> impl Future<Output = Option<RedNode<'_, SassLanguage>>> + Send + '_ {
        async move {
            // TODO: Implement proper caching and conversion to RedNode
            None
        }
    }
    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<LspHover>> + Send + '_ {
        let uri = uri.to_string();
        async move { self.with_root(&uri, |root| self.hover_provider.hover(&root, range).map(|h| LspHover { contents: h.contents, range: h.range })).await.flatten() }
    }
}