Expect different time formats

src/options/view.rs

@@ -6,7 +6,7 @@ use output::Colours;
 use output::{grid, details};
 use output::table::{TimeTypes, Environment, SizeFormat, Options as TableOptions};
 use output::file_name::Classify;
-use output::time::TimeFormat;
+use output::time::{TimeFormat, DefaultFormat};
 use options::Misfire;
 use fs::feature::xattr;
 
@@ -199,7 +199,7 @@ impl TableOptions {
     fn deduce(matches: &getopts::Matches) -> Result<Self, Misfire> {
         Ok(TableOptions {
             env:         Environment::load_all(),
-            time_format: TimeFormat::deduce(),
+            time_format: TimeFormat::deduce(matches)?,
             size_format: SizeFormat::deduce(matches)?,
             time_types:  TimeTypes::deduce(matches)?,
             inode:  matches.opt_present("inode"),
@@ -236,6 +236,15 @@ impl SizeFormat {
 }
 
 
+impl TimeFormat {
+
+    /// Determine how time should be formatted in timestamp columns.
+    fn deduce(_matches: &getopts::Matches) -> Result<TimeFormat, Misfire> {
+        Ok(TimeFormat::DefaultFormat(DefaultFormat::new()))
+    }
+}
+
+
 impl TimeTypes {
 
     /// Determine which of a file’s time fields should be displayed for it

src/output/time.rs

@@ -5,8 +5,27 @@ use locale;
 use fs::fields::Time;
 
 
+pub enum TimeFormat {
+    DefaultFormat(DefaultFormat),
+}
+
+impl TimeFormat {
+    pub fn format_local(&self, time: Time) -> String {
+        match *self {
+            TimeFormat::DefaultFormat(ref fmt) => fmt.format_local(time),
+        }
+    }
+
+    pub fn format_zoned(&self, time: Time, zone: &TimeZone) -> String {
+        match *self {
+            TimeFormat::DefaultFormat(ref fmt) => fmt.format_zoned(time, zone),
+        }
+    }
+}
+
+
 #[derive(Debug, Clone)]
-pub struct TimeFormat {
+pub struct DefaultFormat {
 
     /// The year of the current time. This gets used to determine which date
     /// format to use.
@@ -22,36 +41,8 @@ pub struct TimeFormat {
     pub date_and_year: DateFormat<'static>,
 }
 
-impl TimeFormat {
-    fn is_recent(&self, date: LocalDateTime) -> bool {
-        date.year() == self.current_year
-    }
-
-    #[allow(trivial_numeric_casts)]
-    pub fn format_local(&self, time: Time) -> String {
-        let date = LocalDateTime::at(time.seconds as i64);
-
-        if self.is_recent(date) {
-            self.date_and_time.format(&date, &self.locale)
-        }
-        else {
-            self.date_and_year.format(&date, &self.locale)
-        }
-    }
-
-    #[allow(trivial_numeric_casts)]
-    pub fn format_zoned(&self, time: Time, zone: &TimeZone) -> String {
-        let date = zone.to_zoned(LocalDateTime::at(time.seconds as i64));
-
-        if self.is_recent(date) {
-            self.date_and_time.format(&date, &self.locale)
-        }
-        else {
-            self.date_and_year.format(&date, &self.locale)
-        }
-    }
-
-    pub fn deduce() -> TimeFormat {
+impl DefaultFormat {
+    pub fn new() -> DefaultFormat {
         use unicode_width::UnicodeWidthStr;
 
         let locale = locale::Time::load_user_locale()
@@ -74,6 +65,37 @@ impl TimeFormat {
             _ => DateFormat::parse("{2>:D} {:M} {5>:Y}").unwrap()
         };
 
-        TimeFormat { current_year, locale, date_and_time, date_and_year }
+        DefaultFormat { current_year, locale, date_and_time, date_and_year }
+    }
+
+    fn is_recent(&self, date: LocalDateTime) -> bool {
+        date.year() == self.current_year
+    }
+}
+
+impl DefaultFormat {
+
+    #[allow(trivial_numeric_casts)]
+    fn format_local(&self, time: Time) -> String {
+        let date = LocalDateTime::at(time.seconds as i64);
+
+        if self.is_recent(date) {
+            self.date_and_time.format(&date, &self.locale)
+        }
+        else {
+            self.date_and_year.format(&date, &self.locale)
+        }
+    }
+
+    #[allow(trivial_numeric_casts)]
+    fn format_zoned(&self, time: Time, zone: &TimeZone) -> String {
+        let date = zone.to_zoned(LocalDateTime::at(time.seconds as i64));
+
+        if self.is_recent(date) {
+            self.date_and_time.format(&date, &self.locale)
+        }
+        else {
+            self.date_and_year.format(&date, &self.locale)
+        }
     }
 }