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lib.rs
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lib.rs
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mod finder;
mod matcher;
mod sorter;
mod thread_pool;
use std::collections::HashMap;
use std::ffi::CStr;
use std::ffi::CString;
use std::os::raw::{c_char, c_int};
use std::sync::Mutex;
#[macro_use]
extern crate lazy_static;
lazy_static! {
static ref GLOBAL_FILE_CACHE: Mutex<HashMap<String, Vec<String>>> = Mutex::new(HashMap::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 cache = GLOBAL_FILE_CACHE.lock().unwrap();
if !cache.contains_key(directory) {
let finder_options = finder::Options {
directory: directory.clone(),
};
cache.insert(directory.clone(), finder::find_files(finder_options));
}
return 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_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);
let m = matcher::Matcher::new(pattern);
m.score(text) 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);
// Bail out early if the pattern is empty its never going to find anything
if pattern.is_empty() {
return CString::new("").unwrap().into_raw();
}
let files = get_files(&directory);
let mut output = String::new();
let sorter_options = sorter::Options::new(pattern);
let files = sorter::sort_strings(sorter_options, files);
for file in files.lock().unwrap().iter() {
output.push_str(&file.content);
output.push('\n');
}
CString::new(output).unwrap().into_raw()
}

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