From ae2261258433b2403f915f369a057e3324978080 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sun, 27 Sep 2015 12:14:18 -0400
Subject: [PATCH] ISO8601d: Upgraded method from private to static public

---
 src/ISO8601.cpp | 21 +++++++++++----------
 src/ISO8601.h   |  2 +-
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/ISO8601.cpp b/src/ISO8601.cpp
index 5ee96318e..3dd163e0b 100644
--- a/src/ISO8601.cpp
+++ b/src/ISO8601.cpp
@@ -826,16 +826,6 @@ bool ISO8601d::parse_time_off_ext  (Nibbler& n)
   return false;
 }
 
-////////////////////////////////////////////////////////////////////////////////
-// Using Zeller's Congruence.
-int ISO8601d::dayOfWeek (int year, int month, int day)
-{
-  int adj = (14 - month) / 12;
-  int m = month + 12 * adj - 2;
-  int y = year - adj;
-  return (day + (13 * m - 1) / 5 + y + y / 4 - y / 100 + y / 400) % 7;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Validation via simple range checking.
 bool ISO8601d::validate ()
@@ -1483,6 +1473,17 @@ int ISO8601d::dayOfWeek (const std::string& input)
   return -1;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// Using Zeller's Congruence.
+// Static
+int ISO8601d::dayOfWeek (int year, int month, int day)
+{
+  int adj = (14 - month) / 12;
+  int m = month + 12 * adj - 2;
+  int y = year - adj;
+  return (day + (13 * m - 1) / 5 + y + y / 4 - y / 100 + y / 400) % 7;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // Static
 int ISO8601d::monthOfYear (const std::string& input)
diff --git a/src/ISO8601.h b/src/ISO8601.h
index 690b74fdd..bc995243c 100644
--- a/src/ISO8601.h
+++ b/src/ISO8601.h
@@ -69,6 +69,7 @@ public:
   static void dayName (int, std::string&);
   static std::string dayName (int);
   static int dayOfWeek (const std::string&);
+  static int dayOfWeek (int, int, int);
   static int monthOfYear (const std::string&);
   static int length (const std::string&);
 
@@ -116,7 +117,6 @@ private:
   bool parse_time_ext      (Nibbler&);
   bool parse_time_utc_ext  (Nibbler&);
   bool parse_time_off_ext  (Nibbler&);
-  int dayOfWeek (int, int, int);
   bool validate ();
   void resolve ();
   bool isEpoch (const std::string&);