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helix/helix-core/src/lib.rs

110 lines
2.9 KiB
Rust

pub use encoding_rs as encoding;
pub mod auto_pairs;
pub mod chars;
pub mod comment;
pub mod config;
pub mod diagnostic;
pub mod diff;
pub mod graphemes;
pub mod history;
pub mod increment;
pub mod indent;
pub mod line_ending;
pub mod macros;
pub mod match_brackets;
pub mod movement;
pub mod object;
pub mod path;
mod position;
pub mod register;
pub mod search;
pub mod selection;
pub mod shellwords;
mod state;
pub mod surround;
pub mod syntax;
pub mod test;
pub mod textobject;
mod transaction;
pub mod wrap;
pub mod unicode {
pub use unicode_general_category as category;
pub use unicode_segmentation as segmentation;
pub use unicode_width as width;
}
pub fn find_first_non_whitespace_char(line: RopeSlice) -> Option<usize> {
line.chars().position(|ch| !ch.is_whitespace())
}
/// Find project root.
///
/// Order of detection:
/// * Top-most folder containing a root marker in current git repository
/// * Git repository root if no marker detected
/// * Top-most folder containing a root marker if not git repository detected
/// * Current working directory as fallback
pub fn find_root(root: Option<&str>, root_markers: &[String]) -> std::path::PathBuf {
let current_dir = std::env::current_dir().expect("unable to determine current directory");
let root = match root {
Some(root) => {
let root = std::path::Path::new(root);
if root.is_absolute() {
root.to_path_buf()
} else {
current_dir.join(root)
}
}
None => current_dir.clone(),
};
let mut top_marker = None;
for ancestor in root.ancestors() {
if root_markers
.iter()
.any(|marker| ancestor.join(marker).exists())
{
top_marker = Some(ancestor);
}
if ancestor.join(".git").is_dir() {
// Top marker is repo root if not root marker was detected yet
if top_marker.is_none() {
top_marker = Some(ancestor);
}
// Don't go higher than repo if we're in one
break;
}
}
// Return the found top marker or the current_dir as fallback
top_marker.map_or(current_dir, |a| a.to_path_buf())
}
pub use ropey::{str_utils, Rope, RopeBuilder, RopeSlice};
// pub use tendril::StrTendril as Tendril;
pub use smartstring::SmartString;
pub type Tendril = SmartString<smartstring::LazyCompact>;
#[doc(inline)]
pub use {regex, tree_sitter};
pub use graphemes::RopeGraphemes;
pub use position::{
coords_at_pos, pos_at_coords, pos_at_visual_coords, visual_coords_at_pos, Position,
};
pub use selection::{Range, Selection};
pub use smallvec::{smallvec, SmallVec};
pub use syntax::Syntax;
pub use diagnostic::Diagnostic;
pub use state::State;
pub use line_ending::{LineEnding, DEFAULT_LINE_ENDING};
pub use transaction::{Assoc, Change, ChangeSet, Operation, Transaction};