Initial work on date/time columns for files

Using the datetime crate, add an extra column to the --long view that
prints out the modified, accessed, or created timestamp for each file.
Also, let the user pick which one they want to see based on the --time
command-line option.

1 files changed, 11 insertions, 9 deletions

diff --git a/src/column.rs b/src/column.rs
index 030570a..8b46d9c 100644
--- a/src/column.rs
+++ b/src/column.rs
@@ -2,12 +2,13 @@ use std::iter::repeat;
 
 use ansi_term::Style;
 
-use options::SizeFormat;
+use options::{SizeFormat, TimeType};
 
 #[derive(PartialEq, Debug, Copy)]
 pub enum Column {
     Permissions,
     FileSize(SizeFormat),
+    Timestamp(TimeType),
     Blocks,
     User,
     Group,
@@ -42,14 +43,15 @@ impl Column {
     /// to have a header row printed.
     pub fn header(&self) -> &'static str {
         match *self {
-            Column::Permissions => "Permissions",
-            Column::FileSize(_) => "Size",
-            Column::Blocks      => "Blocks",
-            Column::User        => "User",
-            Column::Group       => "Group",
-            Column::HardLinks   => "Links",
-            Column::Inode       => "inode",
-            Column::GitStatus   => "Git",
+            Column::Permissions  => "Permissions",
+            Column::FileSize(_)  => "Size",
+            Column::Timestamp(t) => t.header(),
+            Column::Blocks       => "Blocks",
+            Column::User         => "User",
+            Column::Group        => "Group",
+            Column::HardLinks    => "Links",
+            Column::Inode        => "inode",
+            Column::GitStatus    => "Git",
         }
     }
 }