Added boost header

test/external/boost/date_time/gregorian/greg_day.hpp

@@ -0,0 +1,57 @@
+#ifndef GREG_DAY_HPP___
+#define GREG_DAY_HPP___
+
+/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
+ * Use, modification and distribution is subject to the 
+ * Boost Software License, Version 1.0. (See accompanying
+ * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+ * Author: Jeff Garland 
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/constrained_value.hpp"
+#include <stdexcept>
+#include <string>
+
+namespace boost {
+namespace gregorian {
+
+  //! Exception type for gregorian day of month (1..31)
+  struct bad_day_of_month : public std::out_of_range
+  {
+    bad_day_of_month() : 
+      std::out_of_range(std::string("Day of month value is out of range 1..31")) 
+    {}
+    //! Allow other classes to throw with unique string for bad day like Feb 29
+    bad_day_of_month(const std::string& s) : 
+      std::out_of_range(s) 
+    {}
+  };
+  //! Policy class that declares error handling and day of month ranges
+  typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies;
+
+  //! Generated represetation for gregorian day of month
+  typedef CV::constrained_value<greg_day_policies> greg_day_rep;
+
+  //! Represent a day of the month (range 1 - 31) 
+  /*! This small class allows for simple conversion an integer value into
+      a day of the month for a standard gregorian calendar.  The type 
+      is automatically range checked so values outside of the range 1-31
+      will cause a bad_day_of_month exception
+  */
+  class greg_day : public greg_day_rep {
+  public:
+    greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {}
+    unsigned short as_number() const {return value_;}
+    operator unsigned short()  const {return value_;}
+  private:
+    
+  };
+
+
+
+} } //namespace gregorian
+
+
+
+#endif