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use biblatex::Bibliography;
use regex::Regex;
use std::{
fs,
path::{Path, PathBuf},
};
use super::cliargs::{CLIArgs, PosArgs};
// Set necessary fields
// TODO: can surely be made more efficient/simpler
pub struct Bibi {
pub citekeys: Vec<String>,
// pub bibliography: Bibliography,
}
pub fn get_bibfile(filename: impl AsRef<Path>) -> String {
let bibfile = fs::read_to_string(&filename).unwrap();
bibfile
}
pub fn get_citekeys(bibstring: &Bibliography) -> Vec<String> {
// let bib = Bibliography::parse(&get_bibfile(CLIArgs::parse_cli_args().bibfilearg)).unwrap();
// // Define Regex to match citekeys
// let re = Regex::new(r"(?m)^\@[a-zA-Z]*\{(.*)\,").unwrap();
// // Declare empty vector to fill with captured keys
// // Has to be Vec<&str> because of captures_iter method
// let mut keys = vec![];
// for (_, [key]) in re.captures_iter(&bibfilestring).map(|c| c.extract()) {
// keys.push(key);
// }
// // Transform Vec<&str> to Vec<String> which is needed by the struct Bibi
// let mut citekeys: Vec<String> = keys.into_iter().map(String::from).collect();
// // Sort vector items case-insensitive
// citekeys.sort_by_key(|name| name.to_lowercase());
// citekeys
let mut citekeys: Vec<String> = bibstring.iter().map(|entry| entry.to_owned().key).collect();
citekeys.sort_by_key(|name| name.to_lowercase());
citekeys
}
impl Bibi {
pub fn new() -> Self {
// TODO: Needs check for config file path as soon as config file is impl
let bib = Bibliography::parse(&get_bibfile(PosArgs::parse_pos_args().bibfilearg)).unwrap();
Self {
citekeys: get_citekeys(&bib),
// bibliography: biblatex::Bibliography::parse(&bibfilestring).unwrap(),
}
}
}
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