From 72efcceb945fb80a576775a513b64e104078e9f0 Mon Sep 17 00:00:00 2001
From: dfhoughton <dfhoughton@gmail.com>
Date: Sun, 10 Feb 2019 16:35:23 -0500
Subject: added specific_time rule

---
 CHANGES.md     |  4 +++-
 Cargo.lock     |  4 +++-
 Cargo.toml     |  2 +-
 README.md      |  1 +
 src/lib.rs     | 54 +++++++++++++++++++++++++++++++++++++++++++-----------
 tests/tests.rs | 16 ++++++++++++++++
 6 files changed, 67 insertions(+), 14 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index 9829457..8ac3e0a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -22,4 +22,6 @@
 * better organization and documentation of grammar
 ## 1.06
 * added "before and after"
-* fixed "Friday the 13th" and "the 31st" to scan back through the calendar to the nearest match
\ No newline at end of file
+* fixed "Friday the 13th" and "the 31st" to scan back through the calendar to the nearest match
+## 1.0.7
+* added `<specific_time>` pattern: e.g., 1969-05-06 12:03:05
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 5c69fb6..62c7e5e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,3 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "aho-corasick"
 version = "0.6.9"
@@ -108,7 +110,7 @@ dependencies = [
 
 [[package]]
 name = "two_timer"
-version = "1.0.6"
+version = "1.0.7"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 26f7151..7ea2a3e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "two_timer"
-version = "1.0.6"
+version = "1.0.7"
 authors = ["dfhoughton <dfhoughton@gmail.com>"]
 description="parser for English time expressions"
 homepage="https://github.com/dfhoughton/two-timer"
diff --git a/README.md b/README.md
index e37cd53..96ce49d 100644
--- a/README.md
+++ b/README.md
@@ -36,5 +36,6 @@ Some expressions it can handle:
 * 2 weeks ago
 * ten seconds from now
 * 5 minutes before and after midnight
+* 1969-05-06 12:03:05
 
 The complete API is available at https://docs.rs/two_timer/0.1.0/two_timer/.
diff --git a/src/lib.rs b/src/lib.rs
index b1f6e07..15a11e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -269,7 +269,9 @@ lazy_static! {
 
         at_time -> ("at") <time>
 
-        specific_time => <first_time> | <last_time>
+        specific_time => <first_time> | <last_time> | <precise_time>
+
+        precise_time -> <n_date> <hour_24>
 
         time -> <hour_12> <am_pm>? | <hour_24> | <named_time>
 
@@ -723,6 +725,19 @@ fn specific(m: &Match) -> bool {
     m.has("specific_day") || m.has("specific_period") || m.has("specific_time")
 }
 
+fn n_date(date: &Match, config: &Config) -> Result<NaiveDate, TimeError> {
+    let year = year(date, &config.now);
+    let month = n_month(date);
+    let day = n_day(date);
+    match NaiveDate::from_ymd_opt(year, month, day) {
+        None => Err(TimeError::ImpossibleDate(format!(
+            "cannot construct date with year {}, month {}, and day {}",
+            year, month, day
+        ))),
+        Some(d) => Ok(d),
+    }
+}
+
 fn handle_specific_day(
     m: &Match,
     config: &Config,
@@ -764,16 +779,9 @@ fn handle_specific_day(
     }
     if let Some(date) = m.name("date_with_year") {
         if let Some(date) = date.name("n_date") {
-            let year = year(date, &now);
-            let month = n_month(date);
-            let day = n_day(date);
-            let d_opt = NaiveDate::from_ymd_opt(year, month, day);
-            return match d_opt {
-                None => Err(TimeError::ImpossibleDate(format!(
-                    "cannot construct date with year {}, month {}, and day {}",
-                    year, month, day
-                ))),
-                Some(d1) => {
+            return match n_date(date, config) {
+                Err(s) => Err(s),
+                Ok(d1) => {
                     let d1 = d1.and_hms(0, 0, 0);
                     Ok(moment_and_time(
                         &Config::new().now(d1).period(Period::Day),
@@ -1032,6 +1040,30 @@ fn handle_specific_time(
     moment: &Match,
     config: &Config,
 ) -> Result<(NaiveDateTime, NaiveDateTime), TimeError> {
+    if let Some(moment) = moment.name("precise_time") {
+        return match n_date(moment, config) {
+            Err(s) => Err(s),
+            Ok(d) => {
+                let (hour, minute, second, _) = time(moment);
+                let period = if second.is_some() {
+                    Period::Second
+                } else if minute.is_some() {
+                    Period::Minute
+                } else {
+                    Period::Hour
+                };
+                let m = d
+                    .and_hms(0, 0, 0)
+                    .with_hour(hour)
+                    .unwrap()
+                    .with_minute(minute.unwrap_or(0))
+                    .unwrap()
+                    .with_second(second.unwrap_or(0))
+                    .unwrap();
+                Ok(moment_to_period(m, &period, config))
+            }
+        };
+    }
     return if moment.has("first_time") {
         Ok(moment_to_period(first_moment(), &config.period, config))
     } else {
diff --git a/tests/tests.rs b/tests/tests.rs
index b4c5b5d..7ee0325 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -1448,3 +1448,19 @@ fn the_31st() {
         }
     }
 }
+
+#[test]
+fn specific_time() {
+    let d1 = NaiveDate::from_ymd(1969, 5, 6).and_hms(12, 3, 5);
+    let d2 = d1 + Duration::seconds(1);
+    match parse("1969-05-06 12:03:05", None) {
+        Ok((start, end, _)) => {
+            assert_eq!(d1, start);
+            assert_eq!(d2, end);
+        }
+        Err(e) => {
+            println!("{:?}", e);
+            assert!(false, "didn't match");
+        }
+    }
+}
\ No newline at end of file
-- 
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