#![feature(phase)] extern crate regex; #[phase(syntax)] extern crate regex_macros; use std::os; use std::io::fs; use file::File; use options::Options; pub mod colours; pub mod column; pub mod format; pub mod file; pub mod unix; pub mod options; fn main() { let args = os::args().iter() .map(|x| x.to_strbuf()) .collect(); match Options::getopts(args) { Err(err) => println!("Invalid options:\n{}", err.to_err_msg()), Ok(opts) => { let strs = if opts.dirs.is_empty() { vec!("./".to_strbuf()) } else { opts.dirs.clone() }; for dir in strs.move_iter() { exa(&opts, Path::new(dir)) } } }; } fn exa(options: &Options, path: Path) { let paths = match fs::readdir(&path) { Ok(paths) => paths, Err(e) => fail!("readdir: {}", e), }; let unordered_files: Vec = paths.iter().map(|path| File::from_path(path)).collect(); let files: Vec<&File> = options.transform_files(&unordered_files); let columns = options.columns(); let table: Vec> = files.iter() .map(|f| columns.iter().map(|c| f.display(c)).collect()) .collect(); let lengths: Vec> = table.iter() .map(|row| row.iter().map(|col| colours::strip_formatting(col).len()).collect()) .collect(); let maxes: Vec = range(0, columns.len()) .map(|n| lengths.iter().map(|row| *row.get(n)).max().unwrap()) .collect(); for (field_lengths, row) in lengths.iter().zip(table.iter()) { let mut first = true; for ((column_length, cell), field_length) in maxes.iter().zip(row.iter()).zip(field_lengths.iter()) { if first { first = false; } else { print!(" "); } print!("{}", cell.as_slice()); for _ in range(*field_length, *column_length) { print!(" "); } } print!("\n"); } }