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lib.rs
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lib.rs
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mod finder;
mod matcher;
mod sorter;
use std::collections::HashMap;
use std::ffi::CStr;
use std::ffi::CString;
use std::os::raw::{c_char, c_int};
use std::sync::Mutex;
use std::sync::OnceLock;
struct Ivy {
pub file_cache: HashMap<String, Vec<String>>,
}
static INSTANCE: OnceLock<Mutex<Ivy>> = OnceLock::new();
impl Ivy {
pub fn new() -> Self {
Self {
file_cache: HashMap::new(),
}
}
pub fn global() -> &'static Mutex<Ivy> {
INSTANCE.get_or_init(|| Mutex::new(Ivy::new()))
}
}
fn to_string(input: *const c_char) -> String {
unsafe { CStr::from_ptr(input) }
.to_str()
.unwrap()
.to_string()
}
fn get_files(directory: &String) -> Vec<String> {
let mut ivy = Ivy::global().lock().unwrap();
if !ivy.file_cache.contains_key(directory) {
let finder_options = finder::Options {
directory: directory.clone(),
};
ivy.file_cache
.insert(directory.clone(), finder::find_files(finder_options));
}
return ivy.file_cache.get(directory).unwrap().to_vec();
}
#[no_mangle]
pub extern "C" fn ivy_init(c_base_dir: *const c_char) {
let directory = to_string(c_base_dir);
get_files(&directory);
}
#[no_mangle]
pub extern "C" fn ivy_cwd() -> *const c_char {
return CString::new(std::env::current_dir().unwrap().to_str().unwrap())
.unwrap()
.into_raw();
}
#[no_mangle]
pub extern "C" fn ivy_match(c_pattern: *const c_char, c_text: *const c_char) -> c_int {
let pattern = to_string(c_pattern);
let text = to_string(c_text);
inner_match(pattern, text)
}
pub fn inner_match(pattern: String, text: String) -> i32 {
let m = matcher::Matcher::new(pattern);
m.score(text.as_str()) as i32
}
#[no_mangle]
pub extern "C" fn ivy_files(c_pattern: *const c_char, c_base_dir: *const c_char) -> *const c_char {
let pattern = to_string(c_pattern);
let directory = to_string(c_base_dir);
let output = inner_files(pattern, directory);
CString::new(output).unwrap().into_raw()
}
pub fn inner_files(pattern: String, base_dir: String) -> String {
let mut output = String::new();
// Bail out early if the pattern is empty; it's never going to find anything
if pattern.is_empty() {
return output;
}
let files = get_files(&base_dir);
let sorter_options = sorter::Options::new(pattern);
let files = sorter::sort_strings(sorter_options, files);
for file in files.iter() {
output.push_str(&file.content);
output.push('\n');
}
output
}

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Apr 6 2026, 5:50 AM (6 w, 5 d ago)
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lib.rs (2 KB)

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