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use regex::Regex;
use crate::fileinfo::{FileInfo, FileKind};
#[derive(Clone)]
pub enum FilterKind {
Extension(String),
Name(String),
Directory,
All,
}
impl FilterKind {
pub fn from_input(input: &str) -> Self {
let words = input.split_whitespace().collect::<Vec<&str>>();
if words.len() < 2 {
return Self::All;
}
match words[0] {
"d" => Self::Directory,
"e" => Self::Extension(words[1].to_owned()),
"n" => Self::Name(words[1].to_owned()),
_ => Self::All,
}
}
pub fn filter_by(&self, fileinfo: &FileInfo) -> bool {
match self {
Self::Extension(ext) => Self::filter_by_ext(fileinfo, ext.clone()),
Self::Name(filename) => Self::filter_by_name(fileinfo, filename.clone()),
Self::Directory => Self::filter_directory(fileinfo),
Self::All => true,
}
}
fn filter_by_ext(fileinfo: &FileInfo, ext: String) -> bool {
fileinfo.extension == ext
}
fn filter_by_name(fileinfo: &FileInfo, filename: String) -> bool {
if let Ok(re) = Regex::new(&filename) {
re.is_match(&fileinfo.filename)
} else {
false
}
}
fn filter_directory(fileinfo: &FileInfo) -> bool {
matches!(fileinfo.file_kind, FileKind::Directory)
}
}
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