From 73a607ec8a1cf88d4892bca8dbe3334cbe35e796 Mon Sep 17 00:00:00 2001
From: Chris Frey <cdfrey@foursquare.net>
Date: Thu, 15 Mar 2012 11:47:06 -0400
Subject: [PATCH] lib: added Find api to TimeZones

---
 src/r_timezone.cc | 26 ++++++++++++++++++++++++++
 src/r_timezone.h  |  7 +++++++
 2 files changed, 33 insertions(+)

diff --git a/src/r_timezone.cc b/src/r_timezone.cc
index 48568f5b..543956c3 100644
--- a/src/r_timezone.cc
+++ b/src/r_timezone.cc
@@ -411,6 +411,32 @@ TimeZones::TimeZones(Barry::Mode::Desktop &desktop)
 	sort(begin(), end(), &TimeZone::SortByZone);
 }
 
+TimeZones::iterator TimeZones::Find(int index)
+{
+	for( iterator i = begin(), e = end(); i != e; ++i )
+		if( i->Index == index )
+			return i;
+	return end();
+}
+
+TimeZones::const_iterator TimeZones::Find(int index) const
+{
+	return const_cast<TimeZones*>(this)->Find(index);
+}
+
+TimeZones::iterator TimeZones::FindByOffset(int utc_offset)
+{
+	for( iterator i = begin(), e = end(); i != e; ++i )
+		if( i->UTCOffset == utc_offset )
+			return i;
+	return end();
+}
+
+TimeZones::const_iterator TimeZones::FindByOffset(int utc_offset) const
+{
+	return const_cast<TimeZones*>(this)->FindByOffset(utc_offset);
+}
+
 void TimeZones::Dump(std::ostream &os) const
 {
 	const_iterator b = begin(), e = end();
diff --git a/src/r_timezone.h b/src/r_timezone.h
index 5d2cc155..782fa956 100644
--- a/src/r_timezone.h
+++ b/src/r_timezone.h
@@ -198,6 +198,13 @@ public:
 	iterator end() { return m_list.end(); }
 	const_iterator end() const { return m_list.end(); }
 
+	// utility functions - return end() if not found
+	iterator Find(int index);
+	const_iterator Find(int index) const;
+
+	iterator FindByOffset(int utc_offset);
+	const_iterator FindByOffset(int utc_offset) const;
+
 	void Dump(std::ostream &os) const;
 };
 
-- 
2.11.4.GIT