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authorAdam Ierymenko <adam.ierymenko@gmail.com>2013-10-18 14:16:53 -0400
committerAdam Ierymenko <adam.ierymenko@gmail.com>2013-10-18 14:16:53 -0400
commitca93b4a1ac9d07ea150572801fd47f9a0818abff (patch)
tree8ec8916b82baab567a3d9cc66471b866f8ef1809 /attic
parent03b909603ae6010d7bf059de688c0cfe0f96a0a3 (diff)
downloadinfinitytier-ca93b4a1ac9d07ea150572801fd47f9a0818abff.tar.gz
infinitytier-ca93b4a1ac9d07ea150572801fd47f9a0818abff.zip
Clean up some stuff, including a few spots where exceptions were not being handled correctly.
Diffstat (limited to 'attic')
-rw-r--r--attic/Range.hpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/attic/Range.hpp b/attic/Range.hpp
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+/*
+ * ZeroTier One - Global Peer to Peer Ethernet
+ * Copyright (C) 2012-2013 ZeroTier Networks LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#ifndef _ZT_RANGE_HPP
+#define _ZT_RANGE_HPP
+
+namespace ZeroTier {
+
+/**
+ * A range of numeric values
+ *
+ * @tparam T Type, can be any numeric value (int, float, double, etc.)
+ */
+template<typename T>
+class Range
+{
+public:
+ /**
+ * Construct an empty range
+ */
+ Range()
+ throw() :
+ start(0),
+ end(0)
+ {
+ }
+
+ /**
+ * @param s Starting value (inclusive)
+ * @param e Ending value (exclusive)
+ */
+ Range(T s,T e)
+ throw() :
+ start(s),
+ end(e)
+ {
+ }
+
+ /**
+ * Construct a range containing from n to n+1 (thus only n for integers)
+ *
+ * @param n Number to contain
+ */
+ Range(T n)
+ throw() :
+ start(n),
+ end(n+1)
+ {
+ }
+
+ /**
+ * @return end - start
+ */
+ inline T magnitude() const
+ throw()
+ {
+ return (end - start);
+ }
+
+ /**
+ * @return True if range contains something (magnitude is nonzero)
+ */
+ inline operator bool() const
+ throw()
+ {
+ return (end > start);
+ }
+
+ /**
+ * @param v Value to test
+ * @return True if value is between start (inclusive) and end (exclusive)
+ */
+ inline bool operator()(const T &v) const
+ throw()
+ {
+ return ((v >= start)&&(v < end));
+ }
+
+ inline bool operator==(const Range &r) const throw() { return ((start == r.start)&&(end == r.end)); }
+ inline bool operator!=(const Range &r) const throw() { return (!(*this == r)); }
+ inline bool operator<(const Range &r) const throw() { return ((start < r.start) ? true : ((start == r.start) ? (end < r.end) : false)); }
+ inline bool operator>(const Range &r) const throw() { return (r < *this); }
+ inline bool operator<=(const Range &r) const throw() { return !(r < *this); }
+ inline bool operator>=(const Range &r) const throw() { return !(*this < r); }
+
+ /**
+ * Start of range (may be modified directly)
+ */
+ T start;
+
+ /**
+ * End of range (may be modified directly)
+ */
+ T end;
+};
+
+} // namespace ZeroTier
+
+#endif