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#![crate_name = "monstrio"]
use std::io::{BufRead, BufReader};
use std::fs::File;
#[macro_use]
extern crate log;
extern crate multi_reader;
pub struct Input<R> {
source: R,
}
pub type MReader<I> = multi_reader::MultiReader<File, I>;
pub type BMReader<I> = BufReader<MReader<I>>;
impl<R: BufRead> AsMut<R> for Input<R> {
fn as_mut(&mut self) -> &mut R {
&mut self.source
}
}
impl<I: Iterator<Item = File>> Input<BMReader<I>> {
pub fn files(files: I) -> Input<BMReader<I>> {
Input { source: BMReader::new(MReader::new(files)) }
}
}
#[cfg(feature = "glob")]
mod glob_input {
use std::fs::{File, metadata};
use std::vec::IntoIter;
extern crate glob;
use self::glob::glob;
impl super::Input<super::BMReader<IntoIter<File>>> {
pub fn glob<P: Iterator>(patterns: P) -> super::Input<super::BMReader<IntoIter<File>>>
where P::Item: AsRef<str>
{
let mut files = Vec::new();
for pattern in patterns {
match glob(pattern.as_ref()) {
Ok(entries) => {
for entry in entries {
match entry {
Ok(ref path) => {
match metadata(path) {
Ok(m) => {
if m.is_dir() {
warn!("Pattern matches to a directory: {}",
path.display());
continue;
}
}
Err(err) => {
warn!("Cannot read file metadata {}\n{}",
path.display(),
err);
continue;
}
}
match File::open(path) {
Ok(file) => files.push(file),
Err(err) => {
warn!("Cannot open file {}\n{}", path.display(), err)
}
}
}
Err(err) => warn!("Cannot access file {}", err),
}
}
}
Err(err) => warn!("Bad pattern {}\n{}", pattern.as_ref(), err),
}
}
super::Input::files(files.into_iter())
}
}
}
#[cfg(feature = "glob")]
pub use self::glob_input::*;