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pub mod auto_pairs;
pub mod chars;
pub mod comment;
pub mod diagnostic;
pub mod diff;
pub mod graphemes;
pub mod history;
pub mod indent;
pub mod line_ending;
pub mod macros;
pub mod match_brackets;
pub mod movement;
pub mod object;
mod position;
pub mod register;
pub mod search;
pub mod selection;
mod state;
pub mod surround;
pub mod syntax;
pub mod textobject;
mod transaction;
pub mod unicode {
pub use unicode_general_category as category;
pub use unicode_segmentation as segmentation;
pub use unicode_width as width;
}
static RUNTIME_DIR: once_cell::sync::Lazy<std::path::PathBuf> =
once_cell::sync::Lazy::new(runtime_dir);
pub fn find_first_non_whitespace_char(line: RopeSlice) -> Option<usize> {
line.chars().position(|ch| !ch.is_whitespace())
}
pub fn find_root(root: Option<&str>) -> Option<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,
};
for ancestor in root.ancestors() {
// TODO: also use defined roots if git isn't found
if ancestor.join(".git").is_dir() {
return Some(ancestor.to_path_buf());
}
}
None
}
#[cfg(not(embed_runtime))]
pub fn runtime_dir() -> std::path::PathBuf {
if let Ok(dir) = std::env::var("HELIX_RUNTIME") {
return dir.into();
}
const RT_DIR: &str = "runtime";
let conf_dir = config_dir().join(RT_DIR);
if conf_dir.exists() {
return conf_dir;
}
if let Ok(dir) = std::env::var("CARGO_MANIFEST_DIR") {
// this is the directory of the crate being run by cargo, we need the workspace path so we take the parent
return std::path::PathBuf::from(dir).parent().unwrap().join(RT_DIR);
}
// fallback to location of the executable being run
std::env::current_exe()
.ok()
.and_then(|path| path.parent().map(|path| path.to_path_buf().join(RT_DIR)))
.unwrap()
}
pub fn config_dir() -> std::path::PathBuf {
// TODO: allow env var override
let strategy = choose_base_strategy().expect("Unable to find the config directory!");
let mut path = strategy.config_dir();
path.push("helix");
path
}
pub fn cache_dir() -> std::path::PathBuf {
// TODO: allow env var override
let strategy = choose_base_strategy().expect("Unable to find the config directory!");
let mut path = strategy.cache_dir();
path.push("helix");
path
}
pub use etcetera::home_dir;
use etcetera::base_strategy::{choose_base_strategy, BaseStrategy};
pub use ropey::{Rope, RopeBuilder, RopeSlice};
pub use tendril::StrTendril as Tendril;
#[doc(inline)]
pub use {regex, tree_sitter};
pub use graphemes::RopeGraphemes;
pub use position::{coords_at_pos, pos_at_coords, Position};
pub use selection::{Range, Selection};
pub use 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};
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