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https://github.com/Llewellynvdm/exa.git
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Code changes in preparation for recursion
This commit is contained in:
Ben S
parent
c7e8a28e17
commit
6d4b30d531
24
Cargo.lock
generated
24
Cargo.lock
generated
@ -2,17 +2,17 @@
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name = "exa"
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version = "0.1.0"
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dependencies = [
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"ansi_term 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"getopts 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"ansi_term 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"getopts 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"git2 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"natord 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"number_prefix 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"users 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"natord 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"number_prefix 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"users 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ansi_term"
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version = "0.4.2"
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version = "0.4.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"regex 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -26,7 +26,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "getopts"
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version = "0.1.4"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -55,7 +55,7 @@ name = "libressl-pnacl-sys"
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version = "2.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"pnacl-build-helper 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"pnacl-build-helper 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -83,12 +83,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "natord"
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version = "1.0.6"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "number_prefix"
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version = "0.2.1"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -107,7 +107,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pnacl-build-helper"
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version = "1.3.1"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -139,6 +139,6 @@ dependencies = [
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[[package]]
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name = "users"
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version = "0.2.1"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -8,7 +8,7 @@ name = "exa"
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[dependencies]
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ansi_term = "0.4.2"
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getopts = "0.1.4"
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getopts = "0.2.0"
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natord = "1.0.6"
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number_prefix = "0.2.1"
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users = "0.2.1"
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@ -21,6 +21,7 @@ exa is a replacement for `ls` written in Rust.
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- **-i**, **--inode**: show inode number column
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- **-l**, **--long**: display extended details and attributes
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- **-r**, **--reverse**: reverse sort order
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- **-R**, **--recurse**: recurse into subdirectories
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- **-s**, **--sort=(field)**: field to sort by
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- **-S**, **--blocks**: show number of file system blocks
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- **-x**, **--across**: sort multi-column view entries across
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@ -45,7 +45,7 @@ impl<'a> File<'a> {
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/// Create a new File object from the given Stat result, and other data.
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pub fn with_stat(stat: io::FileStat, path: &Path, parent: Option<&'a Dir>) -> File<'a> {
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let v = path.filename().unwrap(); // fails if / or . or ..
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let v = path.filename().unwrap_or_else(|| panic!("Failed to get filename for {:?}", path)); // fails if / or . or ..
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let filename = String::from_utf8_lossy(v);
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File {
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23
src/main.rs
23
src/main.rs
@ -1,6 +1,8 @@
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#![feature(collections, core, io, libc, os, path, std_misc)]
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extern crate ansi_term;
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extern crate getopts;
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extern crate natord;
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extern crate number_prefix;
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extern crate users;
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@ -12,7 +14,7 @@ use std::os::{args, set_exit_status};
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use dir::Dir;
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use file::File;
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use options::Options;
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use options::{Options, DirAction};
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pub mod column;
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pub mod dir;
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@ -30,15 +32,26 @@ fn exa(options: &Options) {
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// more than one of them.
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let mut count = 0;
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let mut stack = options.path_strs.clone();
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// Separate the user-supplied paths into directories and files.
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// Files are shown first, and then each directory is expanded
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// and listed second.
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for file in options.path_strings() {
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let path = Path::new(file);
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loop {
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let file = match stack.pop() {
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None => break,
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Some(f) => f,
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};
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let path = Path::new(file.clone());
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match fs::stat(&path) {
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Ok(stat) => {
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if !options.list_dirs && stat.kind == FileType::Directory {
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dirs.push(file.clone());
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if stat.kind == FileType::Directory {
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match options.dir_action {
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DirAction::AsFile => files.push(File::with_stat(stat, &path, None)),
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DirAction::List => dirs.push(file.clone()),
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DirAction::Recurse => { /* todo */ },
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}
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}
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else {
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// May as well reuse the stat result from earlier
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@ -1,6 +1,3 @@
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extern crate getopts;
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extern crate natord;
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use dir::Dir;
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use file::File;
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use column::{Column, SizeFormat};
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@ -13,14 +10,17 @@ use std::cmp::Ordering;
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use std::fmt;
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use std::slice::Iter;
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use getopts;
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use natord;
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use self::Misfire::*;
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/// The *Options* struct represents a parsed version of the user's
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/// command-line options.
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#[derive(PartialEq, Debug)]
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pub struct Options {
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pub list_dirs: bool,
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path_strs: Vec<String>,
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pub dir_action: DirAction,
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pub path_strs: Vec<String>,
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reverse: bool,
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show_invisibles: bool,
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sort_field: SortField,
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@ -43,6 +43,7 @@ impl Options {
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getopts::optflag("l", "long", "display extended details and attributes"),
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getopts::optflag("i", "inode", "show each file's inode number"),
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getopts::optflag("r", "reverse", "reverse order of files"),
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getopts::optflag("R", "recurse", "recurse into directories"),
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getopts::optopt ("s", "sort", "field to sort by", "WORD"),
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getopts::optflag("S", "blocks", "show number of file system blocks"),
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getopts::optflag("x", "across", "sort multi-column view entries across"),
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@ -64,7 +65,7 @@ impl Options {
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};
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Ok(Options {
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list_dirs: matches.opt_present("list-dirs"),
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dir_action: try!(dir_action(&matches)),
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path_strs: if matches.free.is_empty() { vec![ ".".to_string() ] } else { matches.free.clone() },
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reverse: matches.opt_present("reverse"),
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show_invisibles: matches.opt_present("all"),
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@ -73,11 +74,6 @@ impl Options {
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})
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}
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/// Iterate over the non-option arguments left oven from getopts.
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pub fn path_strings(&self) -> Iter<String> {
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self.path_strs.iter()
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}
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/// Display the files using this Option's View.
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pub fn view(&self, dir: Option<&Dir>, files: Vec<File>) {
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self.view.view(dir, files)
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@ -113,7 +109,13 @@ impl Options {
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}
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}
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/// User-supplied field to sort by
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/// What to do when encountering a directory?
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#[derive(PartialEq, Debug, Copy)]
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pub enum DirAction {
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AsFile, List, Recurse
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}
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/// User-supplied field to sort by.
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#[derive(PartialEq, Debug, Copy)]
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pub enum SortField {
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Unsorted, Name, Extension, Size, FileInode
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@ -228,7 +230,7 @@ fn view(matches: &getopts::Matches) -> Result<View, Misfire> {
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/// Finds out which file size the user has asked for.
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fn file_size(matches: &getopts::Matches) -> Result<SizeFormat, Misfire> {
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let binary = matches.opt_present("binary");
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let bytes = matches.opt_present("bytes");
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let bytes = matches.opt_present("bytes");
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match (binary, bytes) {
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(true, true ) => Err(Misfire::Conflict("binary", "bytes")),
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@ -238,6 +240,18 @@ fn file_size(matches: &getopts::Matches) -> Result<SizeFormat, Misfire> {
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}
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}
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fn dir_action(matches: &getopts::Matches) -> Result<DirAction, Misfire> {
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let recurse = matches.opt_present("recurse");
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let list = matches.opt_present("list-dirs");
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match (recurse, list) {
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(true, true ) => Err(Misfire::Conflict("recurse", "list-dirs")),
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(true, false) => Ok(DirAction::Recurse),
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(false, true ) => Ok(DirAction::AsFile),
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(false, false) => Ok(DirAction::List),
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}
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}
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#[derive(PartialEq, Copy, Debug)]
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pub struct Columns {
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size_format: SizeFormat,
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