From 38355a2830a19705e466b3cc94acab702e344b97 Mon Sep 17 00:00:00 2001
From: Tomasz Sowa <t.sowa@ttmath.org>
Date: Fri, 20 Apr 2018 09:33:53 +0000
Subject: [PATCH] added: method Date::SerializeISO(Stream & out)        outputs
 to the given stream: YYYY-MM-DDTHH:MM:SSZ, eg: 1990-02-12T13:05:39Z added:
 parsing date in a format: YYYY-MM-DDTHH:MM:SS ('T' letter given)

git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@1089 e52654a7-88a9-db11-a3e9-0013d4bc506e
---
 date/date.h | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/date/date.h b/date/date.h
index 487f921..f6a47b3 100644
--- a/date/date.h
+++ b/date/date.h
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2012, Tomasz Sowa
+ * Copyright (c) 2012-2018, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -288,6 +288,14 @@ public:
 	void Serialize(Stream & out) const;
 
 
+	/*
+		this method outputs to the given stream: YYYY-MM-DDTHH:MM:SSZ, eg: 1990-02-12T13:05:39Z
+		ISO 8601 format
+	*/
+	template<class Stream>
+	void SerializeISO(Stream & out) const;
+
+
 	/*
 		parsing day month and year
 		the input string can be as follows:
@@ -567,6 +575,14 @@ void Date::Serialize(Stream & out) const
 	SerializeHourMinSec(out);
 }
 
+template<class Stream>
+void Date::SerializeISO(Stream & out) const
+{
+	SerializeYearMonthDay(out);
+	out << 'T';
+	SerializeHourMinSec(out);
+	out << 'Z';
+}
 
 
 template<class CStringType>
@@ -771,8 +787,20 @@ const CStringType * after;
 bool result = false;
 
 	if( ParseYearMonthDay(str, &after) )
+	{
+		SkipWhite(after);
+
+		if( *after == 'T' )
+		{
+			// ISO 8601 format
+			// https://en.wikipedia.org/wiki/ISO_8601
+			// at the moment skip the 'T' character only
+			after += 1;
+		}
+
 		if( ParseHourMinSec(after, &after) )
 			result = true;
+	}
 
 	SetAfter(after, str_after);