Add ls without the -l flag

Cargo.lock

@@ -105,6 +105,7 @@ dependencies = [
  "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "size 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "terminal_size 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "users 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -182,6 +183,15 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "termion"
 version = "1.5.1"
@@ -275,6 +285,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum syn 0.15.21 (registry+https://github.com/rust-lang/crates.io-index)" = "816b7af21405b011a23554ea2dc3f6576dc86ca557047c34098c1d741f10f823"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
+"checksum terminal_size 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "023345d35850b69849741bd9a5432aa35290e3d8eb76af8717026f270d1cf133"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"

Cargo.toml

@@ -9,5 +9,6 @@ clap = "2.32.0"
 failure = "0.1.3"
 lazy_static = "1.2.0"
 size = "0.1.1"
+terminal_size = "0.1.8"
 time = "0.1.40"
 users = "0.8.0"

src/core.rs

@@ -2,6 +2,7 @@ use formatter::*;
 use meta::Meta;
 use std::cmp::Ordering;
 use std::path::Path;
+use terminal_size::terminal_size;
 use Options;
 
 pub struct Core<'a> {
@@ -17,7 +18,7 @@ impl<'a> Core<'a> {
         }
     }
 
-    pub fn print(&self, inputs: Vec<&str>) {
+    pub fn run(&self, inputs: Vec<&str>) {
         let print_folder_name: bool = inputs.len() > 1;
 
         let mut dirs = Vec::new();
@@ -45,7 +46,7 @@ impl<'a> Core<'a> {
         dirs.sort_unstable();
 
         if !files.is_empty() {
-            self.print_long(&files);
+            self.print(&files);
         }
 
         for dir in dirs {
@@ -57,7 +58,72 @@ impl<'a> Core<'a> {
             if print_folder_name {
                 println!("\n{}:", dir.display())
             }
-            self.print_long(&folder_metas);
+            self.print(&folder_metas);
+        }
+    }
+
+    fn print(&self, metas: &[Meta]) {
+        if self.options.display_long {
+            self.print_long(metas)
+        } else {
+            self.print_short(metas)
+        }
+    }
+
+    fn print_short(&self, metas: &[Meta]) {
+        let width = match terminal_size() {
+            Some((w, _)) => w.0 as usize,
+            None => panic!("failed to retrieve terminal size"),
+        };
+
+        let mut max_name_width = 0;
+        for meta in metas {
+            if meta.name.len() > max_name_width {
+                max_name_width = meta.name.len();
+            }
+        }
+
+        let nb_entry_per_row = width / (max_name_width + 4 + 3);
+
+        let mut x = 1;
+        let mut line = String::new();
+        for meta in metas {
+            line += "    ";
+            line += &self.formatter.format_name(&meta);
+            for _ in 0..(max_name_width - meta.name.len()) {
+                line.push(' ');
+            }
+            x += 1;
+
+            if x >= nb_entry_per_row {
+                x = 1;
+                println!("{}", line);
+                line = String::new();
+            }
+        }
+
+        if !line.is_empty() {
+            println!("{}", line);
+        }
+    }
+
+    fn print_long(&self, metas: &[Meta]) {
+        let max_user_length = self.detect_user_lenght(&metas);
+        let max_group_length = self.detect_group_lenght(&metas);
+        let (max_size_value_length, max_size_unit_length) = self.detect_size_lenghts(&metas);
+
+        for meta in metas {
+            println!(
+                "  {}  {}  {}  {}  {}  {}{}",
+                self.formatter.format_permissions(&meta),
+                self.formatter.format_user(&meta.user, max_user_length),
+                self.formatter.format_group(&meta.group, max_group_length),
+                self.formatter
+                    .format_size(&meta, max_size_value_length, max_size_unit_length),
+                self.formatter.format_date(&meta),
+                self.formatter.format_name(&meta),
+                self.formatter.format_symlink(&meta),
+            );
         }
     }
 
@@ -90,25 +156,6 @@ impl<'a> Core<'a> {
         content
     }
 
-    fn print_long(&self, metas: &[Meta]) {
-        let max_user_length = self.detect_user_lenght(&metas);
-        let max_group_length = self.detect_group_lenght(&metas);
-        let (max_size_value_length, max_size_unit_length) = self.detect_size_lenghts(&metas);
-
-        for meta in metas {
-            println!(
-                "  {}  {}  {}  {}  {}  {}",
-                self.formatter.format_permissions(&meta),
-                self.formatter.format_user(&meta.user, max_user_length),
-                self.formatter.format_group(&meta.group, max_group_length),
-                self.formatter
-                    .format_size(&meta, max_size_value_length, max_size_unit_length),
-                self.formatter.format_date(&meta),
-                self.formatter.format_name(&meta),
-            );
-        }
-    }
-
     fn detect_user_lenght(&self, paths: &[Meta]) -> usize {
         let mut max: usize = 0;
 

src/formatter.rs

@@ -19,7 +19,7 @@ impl Formatter {
         let mut content = String::new();
 
         let color = if meta.metadata.is_dir() {
-            content = content + Logo::folder().as_str() + " " + &meta.name;
+            content = content + Logo::folder().as_str() + "  " + &meta.name;
             Colors[&Elem::Dir]
         } else {
             content = content + Logo::from_pathbuf(&meta.path).as_str() + "  " + &meta.name;
@@ -28,10 +28,15 @@ impl Formatter {
 
         content = color.paint(content).to_string();
 
+        content
+    }
+
+    pub fn format_symlink(&self, meta: &Meta) -> String {
+        let mut content = String::new();
+
         let color = Colors[&Elem::Link];
         if let Some(ref link) = meta.symlink_target {
-            content =
-                content + &color.paint(String::from(" ⇒ ") + &color.paint(link).to_string());
+            content += &color.paint(String::from(" ⇒ ") + &color.paint(link).to_string());
         }
 
         content

src/main.rs

@@ -4,6 +4,7 @@ extern crate lazy_static;
 extern crate ansi_term;
 extern crate failure;
 extern crate size;
+extern crate terminal_size;
 extern crate time;
 extern crate users;
 
@@ -18,6 +19,7 @@ use core::Core;
 
 pub struct Options {
     pub display_all: bool,
+    pub display_long: bool,
 }
 
 fn main() {
@@ -25,10 +27,12 @@ fn main() {
         .about("A ls comment with a lot of pretty colors and some other stuff.")
         .arg(Arg::with_name("FILE").multiple(true).default_value("."))
         .arg(Arg::with_name("all").short("a"))
+        .arg(Arg::with_name("long").short("l"))
         .get_matches();
 
     let options = Options {
         display_all: matches.is_present("all"),
+        display_long: matches.is_present("long"),
     };
 
     let inputs: Vec<&str> = matches
@@ -38,5 +42,5 @@ fn main() {
 
     let core = Core::new(&options);
 
-    core.print(inputs);
+    core.run(inputs);
 }