Added boost header

test/external/boost/date_time/local_time/conversion.hpp

@@ -0,0 +1,34 @@
+#ifndef DATE_TIME_LOCAL_TIME_CONVERSION_HPP__
+#define DATE_TIME_LOCAL_TIME_CONVERSION_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2009-06-04 04:24:49 -0400 (Thu, 04 Jun 2009) $
+ */
+
+
+#include "boost/date_time/posix_time/conversion.hpp"
+#include "boost/date_time/c_time.hpp"
+#include "boost/date_time/local_time/local_date_time.hpp"
+
+namespace boost {
+namespace local_time {
+
+//! Function that creates a tm struct from a local_date_time
+inline
+std::tm to_tm(const local_date_time& lt) {
+  std::tm lt_tm = posix_time::to_tm(lt.local_time());
+  if(lt.is_dst()){
+    lt_tm.tm_isdst = 1;
+  }
+  else{
+    lt_tm.tm_isdst = 0;
+  }
+  return lt_tm;
+}
+
+
+}} // namespaces
+#endif // DATE_TIME_LOCAL_TIME_CONVERSION_HPP__

test/external/boost/date_time/local_time/custom_time_zone.hpp

@@ -0,0 +1,169 @@
+#ifndef LOCAL_TIME_CUSTOM_TIME_ZONE_HPP__
+#define LOCAL_TIME_CUSTOM_TIME_ZONE_HPP__
+
+/* Copyright (c) 2003-2005 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/time_zone_base.hpp"
+#include "boost/date_time/time_zone_names.hpp"
+#include "boost/date_time/posix_time/posix_time.hpp"
+#include "boost/date_time/local_time/dst_transition_day_rules.hpp"
+#include "boost/date_time/string_convert.hpp"
+//#include "boost/date_time/special_defs.hpp"
+#include "boost/shared_ptr.hpp"
+
+namespace boost {
+namespace local_time {
+
+  //typedef boost::date_time::time_zone_names time_zone_names;
+  typedef boost::date_time::dst_adjustment_offsets<boost::posix_time::time_duration> dst_adjustment_offsets;
+  //typedef boost::date_time::time_zone_base<boost::posix_time::ptime> time_zone;
+  typedef boost::shared_ptr<dst_calc_rule> dst_calc_rule_ptr;
+
+  //! A real time zone
+  template<class CharT>
+  class custom_time_zone_base : public date_time::time_zone_base<posix_time::ptime,CharT> {
+  public:
+    typedef boost::posix_time::time_duration time_duration_type;
+    typedef date_time::time_zone_base<posix_time::ptime,CharT> base_type;
+    typedef typename base_type::string_type string_type;
+    typedef typename base_type::stringstream_type stringstream_type;
+    typedef date_time::time_zone_names_base<CharT> time_zone_names;
+    typedef CharT char_type;
+    
+    custom_time_zone_base(const time_zone_names& zone_names,   
+                     const time_duration_type& utc_offset,
+                     const dst_adjustment_offsets& dst_shift,
+                     boost::shared_ptr<dst_calc_rule> calc_rule) :
+      zone_names_(zone_names),
+      base_utc_offset_(utc_offset),
+      dst_offsets_(dst_shift),
+      dst_calc_rules_(calc_rule)
+    {};
+    virtual ~custom_time_zone_base() {};
+    virtual string_type dst_zone_abbrev() const
+    {
+      return zone_names_.dst_zone_abbrev();
+    }
+    virtual string_type std_zone_abbrev() const
+    {
+      return zone_names_.std_zone_abbrev();
+    }
+    virtual string_type dst_zone_name() const
+    {
+      return zone_names_.dst_zone_name();
+    }
+    virtual string_type std_zone_name() const
+    {
+      return zone_names_.std_zone_name();
+    }
+    //! True if zone uses daylight savings adjustments
+    virtual bool has_dst() const
+    {
+      return (dst_calc_rules_); //if calc_rule is set the tz has dst
+    }
+    //! Local time that DST starts -- NADT if has_dst is false
+    virtual posix_time::ptime dst_local_start_time(gregorian::greg_year y) const
+    {
+      gregorian::date d(gregorian::not_a_date_time);
+      if (dst_calc_rules_) {
+        d = dst_calc_rules_->start_day(y);
+      }
+      return posix_time::ptime(d, dst_offsets_.dst_start_offset_);
+    }
+    //! Local time that DST ends -- NADT if has_dst is false
+    virtual posix_time::ptime dst_local_end_time(gregorian::greg_year y) const
+    {
+      gregorian::date d(gregorian::not_a_date_time);
+      if (dst_calc_rules_) {
+        d = dst_calc_rules_->end_day(y);
+      }
+      return posix_time::ptime(d, dst_offsets_.dst_end_offset_);
+    }
+    //! Base offset from UTC for zone (eg: -07:30:00)
+    virtual time_duration_type base_utc_offset() const
+    {
+      return base_utc_offset_;
+    }
+    //! Adjustment forward or back made while DST is in effect
+    virtual time_duration_type dst_offset() const
+    {
+      return dst_offsets_.dst_adjust_;
+    }
+    //! Returns a POSIX time_zone string for this object
+    virtual string_type to_posix_string() const
+    {
+      // std offset dst [offset],start[/time],end[/time] - w/o spaces
+      stringstream_type ss;
+      ss.fill('0');
+      boost::shared_ptr<dst_calc_rule> no_rules;
+      // std
+      ss << std_zone_abbrev();
+      // offset
+      if(base_utc_offset().is_negative()) {
+        // inverting the sign guarantees we get two digits
+        ss << '-' << std::setw(2) << base_utc_offset().invert_sign().hours();
+      }
+      else {
+        ss << '+' << std::setw(2) << base_utc_offset().hours();
+      }
+      if(base_utc_offset().minutes() != 0 || base_utc_offset().seconds() != 0) {
+        ss << ':' << std::setw(2) << base_utc_offset().minutes();
+        if(base_utc_offset().seconds() != 0) {
+          ss << ':' << std::setw(2) << base_utc_offset().seconds();
+        }
+      }
+      if(dst_calc_rules_ != no_rules) {
+        // dst
+        ss << dst_zone_abbrev();
+        // dst offset
+        if(dst_offset().is_negative()) {
+          // inverting the sign guarantees we get two digits
+          ss << '-' << std::setw(2) << dst_offset().invert_sign().hours();
+        }
+        else {
+          ss << '+' << std::setw(2) << dst_offset().hours();
+        }
+        if(dst_offset().minutes() != 0 || dst_offset().seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offset().minutes();
+          if(dst_offset().seconds() != 0) {
+            ss << ':' << std::setw(2) << dst_offset().seconds();
+          }
+        }
+        // start/time
+        ss << ',' << date_time::convert_string_type<char, char_type>(dst_calc_rules_->start_rule_as_string()) << '/'
+           << std::setw(2) << dst_offsets_.dst_start_offset_.hours() << ':'
+           << std::setw(2) << dst_offsets_.dst_start_offset_.minutes();
+        if(dst_offsets_.dst_start_offset_.seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offsets_.dst_start_offset_.seconds();
+        }
+        // end/time
+        ss << ',' << date_time::convert_string_type<char, char_type>(dst_calc_rules_->end_rule_as_string()) << '/'
+           << std::setw(2) << dst_offsets_.dst_end_offset_.hours() << ':'
+           << std::setw(2) << dst_offsets_.dst_end_offset_.minutes();
+        if(dst_offsets_.dst_end_offset_.seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offsets_.dst_end_offset_.seconds();
+        }
+      }
+
+      return ss.str();
+    }
+  private:
+    time_zone_names zone_names_;
+    bool has_dst_;
+    time_duration_type base_utc_offset_;
+    dst_adjustment_offsets dst_offsets_;
+    boost::shared_ptr<dst_calc_rule> dst_calc_rules_;
+  };
+
+  typedef custom_time_zone_base<char> custom_time_zone;
+
+} }//namespace
+
+
+
+#endif

test/external/boost/date_time/local_time/date_duration_operators.hpp

@@ -0,0 +1,115 @@
+#ifndef LOCAL_TIME_DATE_DURATION_OPERATORS_HPP___
+#define LOCAL_TIME_DATE_DURATION_OPERATORS_HPP___
+                                                                                
+/* Copyright (c) 2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/gregorian/greg_duration_types.hpp"
+#include "boost/date_time/local_time/local_date_time.hpp"
+
+namespace boost {
+namespace local_time {
+  
+  /*!@file date_duration_operators.hpp Operators for local_date_time and 
+   * optional gregorian types. Operators use snap-to-end-of-month behavior. 
+   * Further details on this behavior can be found in reference for 
+   * date_time/date_duration_types.hpp and documentation for 
+   * month and year iterators.
+   */
+ 
+
+  /*! Adds a months object and a local_date_time. Result will be same 
+   * day-of-month as local_date_time unless original day was the last day of month.
+   * see date_time::months_duration for more details */
+  inline
+  local_date_time 
+  operator+(const local_date_time& t, const boost::gregorian::months& m)
+  {
+    return t + m.get_offset(t.utc_time().date());
+  }
+  
+  /*! Adds a months object to a local_date_time. Result will be same 
+   * day-of-month as local_date_time unless original day was the last day of month.
+   * see date_time::months_duration for more details */
+  inline
+  local_date_time 
+  operator+=(local_date_time& t, const boost::gregorian::months& m)
+  {
+    return t += m.get_offset(t.utc_time().date());
+  }
+
+  /*! Subtracts a months object and a local_date_time. Result will be same 
+   * day-of-month as local_date_time unless original day was the last day of month.
+   * see date_time::months_duration for more details */
+  inline
+  local_date_time 
+  operator-(const local_date_time& t, const boost::gregorian::months& m)
+  {
+    // get_neg_offset returns a negative duration, so we add
+    return t + m.get_neg_offset(t.utc_time().date());
+  }
+  
+  /*! Subtracts a months object from a local_date_time. Result will be same 
+   * day-of-month as local_date_time unless original day was the last day of month.
+   * see date_time::months_duration for more details */
+  inline
+  local_date_time 
+  operator-=(local_date_time& t, const boost::gregorian::months& m)
+  {
+    // get_neg_offset returns a negative duration, so we add
+    return t += m.get_neg_offset(t.utc_time().date());
+  }
+
+  // local_date_time & years
+  
+  /*! Adds a years object and a local_date_time. Result will be same 
+   * month and day-of-month as local_date_time unless original day was the 
+   * last day of month. see date_time::years_duration for more details */
+  inline
+  local_date_time 
+  operator+(const local_date_time& t, const boost::gregorian::years& y)
+  {
+    return t + y.get_offset(t.utc_time().date());
+  }
+
+  /*! Adds a years object to a local_date_time. Result will be same 
+   * month and day-of-month as local_date_time unless original day was the 
+   * last day of month. see date_time::years_duration for more details */
+  inline
+  local_date_time 
+  operator+=(local_date_time& t, const boost::gregorian::years& y)
+  {
+    return t += y.get_offset(t.utc_time().date());
+  }
+
+  /*! Subtracts a years object and a local_date_time. Result will be same 
+   * month and day-of-month as local_date_time unless original day was the 
+   * last day of month. see date_time::years_duration for more details */
+  inline
+  local_date_time 
+  operator-(const local_date_time& t, const boost::gregorian::years& y)
+  {
+    // get_neg_offset returns a negative duration, so we add
+    return t + y.get_neg_offset(t.utc_time().date());
+  }
+
+  /*! Subtracts a years object from a local_date_time. Result will be same 
+   * month and day-of-month as local_date_time unless original day was the 
+   * last day of month. see date_time::years_duration for more details */
+  inline
+  local_date_time 
+  operator-=(local_date_time& t, const boost::gregorian::years& y)
+  {
+    // get_neg_offset returns a negative duration, so we add
+    return t += y.get_neg_offset(t.utc_time().date());
+  }
+
+
+}} // namespaces
+
+#endif // LOCAL_TIME_DATE_DURATION_OPERATORS_HPP___

test/external/boost/date_time/local_time/dst_transition_day_rules.hpp

@@ -0,0 +1,77 @@
+#ifndef LOCAL_TIME_DST_TRANSITION_DAY_RULES_HPP__
+#define LOCAL_TIME_DST_TRANSITION_DAY_RULES_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+
+#include "boost/date_time/gregorian/gregorian_types.hpp"
+#include "boost/date_time/dst_transition_generators.hpp"
+
+namespace boost {
+namespace local_time {
+   
+    //! Provides rule of the form starting Apr 30 ending Oct 21
+    typedef date_time::dst_day_calc_rule<gregorian::date> dst_calc_rule;
+
+    struct partial_date_rule_spec 
+    {
+      typedef gregorian::date date_type;
+      typedef gregorian::partial_date start_rule;
+      typedef gregorian::partial_date end_rule;
+    };
+    
+    //! Provides rule of the form first Sunday in April, last Saturday in Oct
+    typedef date_time::day_calc_dst_rule<partial_date_rule_spec> partial_date_dst_rule;
+
+    struct first_last_rule_spec 
+    {
+      typedef gregorian::date date_type;
+      typedef gregorian::first_kday_of_month start_rule;
+      typedef gregorian::last_kday_of_month end_rule;
+    };
+
+    //! Provides rule of the form first Sunday in April, last Saturday in Oct
+    typedef date_time::day_calc_dst_rule<first_last_rule_spec> first_last_dst_rule;
+
+    struct last_last_rule_spec 
+    {
+      typedef gregorian::date date_type;
+      typedef gregorian::last_kday_of_month start_rule;
+      typedef gregorian::last_kday_of_month end_rule;
+    };
+
+    //! Provides rule of the form last Sunday in April, last Saturday in Oct
+    typedef date_time::day_calc_dst_rule<last_last_rule_spec> last_last_dst_rule;
+
+    struct nth_last_rule_spec
+    {
+      typedef gregorian::date date_type;
+      typedef gregorian::nth_kday_of_month start_rule;
+      typedef gregorian::last_kday_of_month end_rule;
+    };
+
+    //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April, last Sunday in Oct
+    typedef date_time::day_calc_dst_rule<nth_last_rule_spec> nth_last_dst_rule;
+    
+    struct nth_kday_rule_spec
+    {
+      typedef gregorian::date date_type;
+      typedef gregorian::nth_kday_of_month start_rule;
+      typedef gregorian::nth_kday_of_month end_rule;
+    };
+
+    //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October
+    typedef date_time::day_calc_dst_rule<nth_kday_rule_spec> nth_kday_dst_rule;
+    //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October
+    typedef date_time::day_calc_dst_rule<nth_kday_rule_spec> nth_day_of_the_week_in_month_dst_rule;
+
+
+} }//namespace
+
+
+#endif

test/external/boost/date_time/local_time/local_date_time.hpp

@@ -0,0 +1,528 @@
+#ifndef LOCAL_TIME_LOCAL_DATE_TIME_HPP__
+#define LOCAL_TIME_LOCAL_DATE_TIME_HPP__
+
+/* Copyright (c) 2003-2005 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2010-01-10 14:17:23 -0500 (Sun, 10 Jan 2010) $
+ */
+
+#include <string>
+#include <iomanip>
+#include <sstream>
+#include <stdexcept>
+#include <boost/shared_ptr.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/date_time/time.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp> //todo remove?
+#include <boost/date_time/dst_rules.hpp>
+#include <boost/date_time/time_zone_base.hpp>
+#include <boost/date_time/special_defs.hpp>
+#include <boost/date_time/time_resolution_traits.hpp> // absolute_value
+
+namespace boost {
+namespace local_time {
+
+  //! simple exception for reporting when STD or DST cannot be determined
+  struct ambiguous_result : public std::logic_error
+  {
+    ambiguous_result (std::string const& msg = std::string()) :
+      std::logic_error(std::string("Daylight Savings Results are ambiguous: " + msg)) {}
+  };
+  //! simple exception for when time label given cannot exist
+  struct time_label_invalid : public std::logic_error
+  {
+    time_label_invalid (std::string const& msg = std::string()) :
+      std::logic_error(std::string("Time label given is invalid: " + msg)) {}
+  };
+  struct dst_not_valid: public std::logic_error
+  {
+    dst_not_valid(std::string const& msg = std::string()) :
+      std::logic_error(std::string("is_dst flag does not match resulting dst for time label given: " + msg)) {}
+  };
+
+  //TODO: I think these should be in local_date_time_base and not
+  // necessarily brought into the namespace
+  using date_time::time_is_dst_result;
+  using date_time::is_in_dst;
+  using date_time::is_not_in_dst;
+  using date_time::ambiguous;
+  using date_time::invalid_time_label;
+
+  //! Representation of "wall-clock" time in a particular time zone
+  /*! Representation of "wall-clock" time in a particular time zone
+   * Local_date_time_base holds a time value (date and time offset from 00:00)
+   * along with a time zone. The time value is stored as UTC and conversions
+   * to wall clock time are made as needed. This approach allows for
+   * operations between wall-clock times in different time zones, and
+   * daylight savings time considerations, to be made. Time zones are
+   * required to be in the form of a boost::shared_ptr<time_zone_base>.
+   */
+  template<class utc_time_=posix_time::ptime,
+           class tz_type=date_time::time_zone_base<utc_time_,char> >
+  class local_date_time_base :  public date_time::base_time<utc_time_,
+                                                            boost::posix_time::posix_time_system> {
+  public:
+    typedef utc_time_ utc_time_type;
+    typedef typename utc_time_type::time_duration_type time_duration_type;
+    typedef typename utc_time_type::date_type date_type;
+    typedef typename date_type::duration_type date_duration_type;
+    typedef typename utc_time_type::time_system_type time_system_type;
+    /*! This constructor interprets the passed time as a UTC time.
+     *  So, for example, if the passed timezone is UTC-5 then the
+     *  time will be adjusted back 5 hours.  The time zone allows for
+     *  automatic calculation of whether the particular time is adjusted for
+     *  daylight savings, etc.
+     *  If the time zone shared pointer is null then time stays unadjusted.
+     *@param t A UTC time
+     *@param tz Timezone for to adjust the UTC time to.
+     */
+    local_date_time_base(utc_time_type t,
+                         boost::shared_ptr<tz_type> tz) :
+      date_time::base_time<utc_time_type, time_system_type>(t),
+      zone_(tz)
+    {
+      // param was already utc so nothing more to do
+    }
+
+    /*! This constructs a local time -- the passed time information
+     * understood to be in the passed tz. The DST flag must be passed
+     * to indicate whether the time is in daylight savings or not.
+     *  @throws -- time_label_invalid if the time passed does not exist in
+     *             the given locale. The non-existent case occurs typically
+     *             during the shift-back from daylight savings time.  When
+     *             the clock is shifted forward a range of times
+     *             (2 am to 3 am in the US) is skipped and hence is invalid.
+     *  @throws -- dst_not_valid if the DST flag is passed for a period
+     *             where DST is not active.
+     */
+    local_date_time_base(date_type d,
+                         time_duration_type td,
+                         boost::shared_ptr<tz_type> tz,
+                         bool dst_flag) : //necessary for constr_adj()
+      date_time::base_time<utc_time_type,time_system_type>(construction_adjustment(utc_time_type(d, td), tz, dst_flag)),
+      zone_(tz)
+    {
+      if(tz != boost::shared_ptr<tz_type>() && tz->has_dst()){
+
+        // d & td are already local so we use them
+        time_is_dst_result result = check_dst(d, td, tz);
+        bool in_dst = (result == is_in_dst); // less processing than is_dst()
+
+        // ambig occurs at end, invalid at start
+        if(result == invalid_time_label){
+          // Ex: 2:15am local on trans-in day in nyc, dst_flag irrelevant
+          std::ostringstream ss;
+          ss << "time given: " << d << ' ' << td;
+          boost::throw_exception(time_label_invalid(ss.str()));
+        }
+        else if(result != ambiguous && in_dst != dst_flag){
+          // is dst_flag accurate?
+          // Ex: false flag in NYC in June
+          std::ostringstream ss;
+          ss.setf(std::ios_base::boolalpha);
+          ss << "flag given: dst=" << dst_flag << ", dst calculated: dst=" << in_dst;
+          boost::throw_exception(dst_not_valid(ss.str()));
+        }
+
+        // everything checks out and conversion to utc already done
+      }
+    }
+
+    //TODO maybe not the right set...Ignore the last 2 for now...
+    enum DST_CALC_OPTIONS { EXCEPTION_ON_ERROR, NOT_DATE_TIME_ON_ERROR };
+                            //ASSUME_DST_ON_ERROR, ASSUME_NOT_DST_ON_ERROR };
+
+    /*! This constructs a local time -- the passed time information
+     * understood to be in the passed tz.  The DST flag is calculated
+     * according to the specified rule.
+     */
+    local_date_time_base(date_type d,
+                         time_duration_type td,
+                         boost::shared_ptr<tz_type> tz,
+                         DST_CALC_OPTIONS calc_option) :
+      // dummy value - time_ is set in constructor code
+      date_time::base_time<utc_time_type,time_system_type>(utc_time_type(d,td)),
+      zone_(tz)
+    {
+      time_is_dst_result result = check_dst(d, td, tz);
+      if(result == ambiguous) {
+        if(calc_option == EXCEPTION_ON_ERROR){
+          std::ostringstream ss;
+          ss << "time given: " << d << ' ' << td;
+          boost::throw_exception(ambiguous_result(ss.str()));
+        }
+        else{ // NADT on error
+          this->time_ = posix_time::posix_time_system::get_time_rep(date_type(date_time::not_a_date_time), time_duration_type(date_time::not_a_date_time));
+        }
+      }
+      else if(result == invalid_time_label){
+        if(calc_option == EXCEPTION_ON_ERROR){
+          std::ostringstream ss;
+          ss << "time given: " << d << ' ' << td;
+          boost::throw_exception(time_label_invalid(ss.str()));
+        }
+        else{ // NADT on error
+          this->time_ = posix_time::posix_time_system::get_time_rep(date_type(date_time::not_a_date_time), time_duration_type(date_time::not_a_date_time));
+        }
+      }
+      else if(result == is_in_dst){
+        utc_time_type t =
+          construction_adjustment(utc_time_type(d, td), tz, true);
+        this->time_ = posix_time::posix_time_system::get_time_rep(t.date(),
+                                                            t.time_of_day());
+      }
+      else{
+        utc_time_type t =
+          construction_adjustment(utc_time_type(d, td), tz, false);
+        this->time_ = posix_time::posix_time_system::get_time_rep(t.date(),
+                                                            t.time_of_day());
+      }
+    }
+
+
+    //! Determines if given time label is in daylight savings for given zone
+    /*! Determines if given time label is in daylight savings for given zone.
+     * Takes a date and time_duration representing a local time, along
+     * with time zone, and returns a time_is_dst_result object as result.
+     */
+    static time_is_dst_result check_dst(date_type d,
+                                        time_duration_type td,
+                                        boost::shared_ptr<tz_type> tz)
+    {
+      if(tz != boost::shared_ptr<tz_type>() && tz->has_dst()) {
+        typedef typename date_time::dst_calculator<date_type, time_duration_type> dst_calculator;
+        return dst_calculator::local_is_dst(
+            d, td,
+            tz->dst_local_start_time(d.year()).date(),
+            tz->dst_local_start_time(d.year()).time_of_day(),
+            tz->dst_local_end_time(d.year()).date(),
+            tz->dst_local_end_time(d.year()).time_of_day(),
+            tz->dst_offset()
+        );
+      }
+      else{
+        return is_not_in_dst;
+      }
+    }
+
+    //! Simple destructor, releases time zone if last referrer
+    ~local_date_time_base() {};
+
+    //! Copy constructor
+    local_date_time_base(const local_date_time_base& rhs) :
+      date_time::base_time<utc_time_type, time_system_type>(rhs),
+      zone_(rhs.zone_)
+    {}
+
+    //! Special values constructor
+    explicit local_date_time_base(const boost::date_time::special_values sv,
+                                  boost::shared_ptr<tz_type> tz = boost::shared_ptr<tz_type>()) :
+      date_time::base_time<utc_time_type, time_system_type>(utc_time_type(sv)),
+      zone_(tz)
+    {}
+
+    //! returns time zone associated with calling instance
+    boost::shared_ptr<tz_type> zone() const
+    {
+      return zone_;
+    }
+    //! returns false is time_zone is NULL and if time value is a special_value
+    bool is_dst() const
+    {
+      if(zone_ != boost::shared_ptr<tz_type>() && zone_->has_dst() && !this->is_special()) {
+        // check_dst takes a local time, *this is utc
+        utc_time_type lt(this->time_);
+        lt += zone_->base_utc_offset();
+        // dst_offset only needs to be considered with ambiguous time labels
+        // make that adjustment there
+
+        switch(check_dst(lt.date(), lt.time_of_day(), zone_)){
+          case is_not_in_dst:
+            return false;
+          case is_in_dst:
+            return true;
+          case ambiguous:
+            if(lt + zone_->dst_offset() < zone_->dst_local_end_time(lt.date().year())) {
+              return true;
+            }
+            break;
+          case invalid_time_label:
+            if(lt >= zone_->dst_local_start_time(lt.date().year())) {
+              return true;
+            }
+            break;
+        }
+      }
+      return false;
+    }
+    //! Returns object's time value as a utc representation
+    utc_time_type utc_time() const
+    {
+      return utc_time_type(this->time_);
+    }
+    //! Returns object's time value as a local representation
+    utc_time_type local_time() const
+    {
+      if(zone_ != boost::shared_ptr<tz_type>()){
+        utc_time_type lt = this->utc_time() + zone_->base_utc_offset();
+        if (is_dst()) {
+          lt += zone_->dst_offset();
+        }
+        return lt;
+      }
+      return utc_time_type(this->time_);
+    }
+    //! Returns string in the form "2003-Aug-20 05:00:00 EDT"
+    /*! Returns string in the form "2003-Aug-20 05:00:00 EDT". If
+     * time_zone is NULL the time zone abbreviation will be "UTC". The time
+     * zone abbrev will not be included if calling object is a special_value*/
+    std::string to_string() const
+    {
+      //TODO is this a temporary function ???
+      std::ostringstream ss;
+      if(this->is_special()){
+        ss << utc_time();
+        return ss.str();
+      }
+      if(zone_ == boost::shared_ptr<tz_type>()) {
+        ss << utc_time() << " UTC";
+        return ss.str();
+      }
+      bool is_dst_ = is_dst();
+      utc_time_type lt = this->utc_time() + zone_->base_utc_offset();
+      if (is_dst_) {
+        lt += zone_->dst_offset();
+      }
+      ss << local_time() << " ";
+      if (is_dst()) {
+        ss << zone_->dst_zone_abbrev();
+      }
+      else {
+        ss << zone_->std_zone_abbrev();
+      }
+      return ss.str();
+    }
+    /*! returns a local_date_time_base in the given time zone with the
+     * optional time_duration added. */
+    local_date_time_base local_time_in(boost::shared_ptr<tz_type> new_tz,
+                                       time_duration_type td=time_duration_type(0,0,0)) const
+    {
+      return local_date_time_base(utc_time_type(this->time_) + td, new_tz);
+    }
+
+    //! Returns name of associated time zone or "Coordinated Universal Time".
+    /*! Optional bool parameter will return time zone as an offset
+     * (ie "+07:00" extended iso format). Empty string is returned for
+     * classes that do not use a time_zone */
+    std::string zone_name(bool as_offset=false) const
+    {
+      if(zone_ == boost::shared_ptr<tz_type>()) {
+        if(as_offset) {
+          return std::string("Z");
+        }
+        else {
+          return std::string("Coordinated Universal Time");
+        }
+      }
+      if (is_dst()) {
+        if(as_offset) {
+          time_duration_type td = zone_->base_utc_offset();
+          td += zone_->dst_offset();
+          return zone_as_offset(td, ":");
+        }
+        else {
+          return zone_->dst_zone_name();
+        }
+      }
+      else {
+        if(as_offset) {
+          time_duration_type td = zone_->base_utc_offset();
+          return zone_as_offset(td, ":");
+        }
+        else {
+          return zone_->std_zone_name();
+        }
+      }
+    }
+    //! Returns abbreviation of associated time zone or "UTC".
+    /*! Optional bool parameter will return time zone as an offset
+     * (ie "+0700" iso format). Empty string is returned for classes
+     * that do not use a time_zone */
+    std::string zone_abbrev(bool as_offset=false) const
+    {
+      if(zone_ == boost::shared_ptr<tz_type>()) {
+        if(as_offset) {
+          return std::string("Z");
+        }
+        else {
+          return std::string("UTC");
+        }
+      }
+      if (is_dst()) {
+        if(as_offset) {
+          time_duration_type td = zone_->base_utc_offset();
+          td += zone_->dst_offset();
+          return zone_as_offset(td, "");
+        }
+        else {
+          return zone_->dst_zone_abbrev();
+        }
+      }
+      else {
+        if(as_offset) {
+          time_duration_type td = zone_->base_utc_offset();
+          return zone_as_offset(td, "");
+        }
+        else {
+          return zone_->std_zone_abbrev();
+        }
+      }
+    }
+
+    //! returns a posix_time_zone string for the associated time_zone. If no time_zone, "UTC+00" is returned.
+    std::string zone_as_posix_string() const
+    {
+      if(zone_ == shared_ptr<tz_type>()) {
+        return std::string("UTC+00");
+      }
+      return zone_->to_posix_string();
+    }
+
+    //! Equality comparison operator
+    /*bool operator==(const date_time::base_time<boost::posix_time::ptime,boost::posix_time::posix_time_system>& rhs) const
+    { // fails due to rhs.time_ being protected
+      return date_time::base_time<boost::posix_time::ptime,boost::posix_time::posix_time_system>::operator==(rhs);
+      //return this->time_ == rhs.time_;
+    }*/
+    //! Equality comparison operator
+    bool operator==(const local_date_time_base& rhs) const
+    {
+      return time_system_type::is_equal(this->time_, rhs.time_);
+    }
+    //! Non-Equality comparison operator
+    bool operator!=(const local_date_time_base& rhs) const
+    {
+      return !(*this == rhs);
+    }
+    //! Less than comparison operator
+    bool operator<(const local_date_time_base& rhs) const
+    {
+      return time_system_type::is_less(this->time_, rhs.time_);
+    }
+    //! Less than or equal to comparison operator
+    bool operator<=(const local_date_time_base& rhs) const
+    {
+      return (*this < rhs || *this == rhs);
+    }
+    //! Greater than comparison operator
+    bool operator>(const local_date_time_base& rhs) const
+    {
+      return !(*this <= rhs);
+    }
+    //! Greater than or equal to comparison operator
+    bool operator>=(const local_date_time_base& rhs) const
+    {
+      return (*this > rhs || *this == rhs);
+    }
+
+    //! Local_date_time + date_duration
+    local_date_time_base operator+(const date_duration_type& dd) const
+    {
+      return local_date_time_base(time_system_type::add_days(this->time_,dd), zone_);
+    }
+    //! Local_date_time += date_duration
+    local_date_time_base operator+=(const date_duration_type& dd)
+    {
+      this->time_ = time_system_type::add_days(this->time_,dd);
+      return *this;
+    }
+    //! Local_date_time - date_duration
+    local_date_time_base operator-(const date_duration_type& dd) const
+    {
+      return local_date_time_base(time_system_type::subtract_days(this->time_,dd), zone_);
+    }
+    //! Local_date_time -= date_duration
+    local_date_time_base operator-=(const date_duration_type& dd)
+    {
+      this->time_ = time_system_type::subtract_days(this->time_,dd);
+      return *this;
+    }
+    //! Local_date_time + time_duration
+    local_date_time_base operator+(const time_duration_type& td) const
+    {
+      return local_date_time_base(time_system_type::add_time_duration(this->time_,td), zone_);
+    }
+    //! Local_date_time += time_duration
+    local_date_time_base operator+=(const time_duration_type& td)
+    {
+      this->time_ = time_system_type::add_time_duration(this->time_,td);
+      return *this;
+    }
+    //! Local_date_time - time_duration
+    local_date_time_base operator-(const time_duration_type& td) const
+    {
+      return local_date_time_base(time_system_type::subtract_time_duration(this->time_,td), zone_);
+    }
+    //! Local_date_time -= time_duration
+    local_date_time_base operator-=(const time_duration_type& td)
+    {
+      this->time_ = time_system_type::subtract_time_duration(this->time_,td);
+      return *this;
+    }
+    //! local_date_time -= local_date_time --> time_duration_type
+    time_duration_type operator-(const local_date_time_base& rhs) const
+    {
+      return utc_time_type(this->time_) - utc_time_type(rhs.time_);
+    }
+  private:
+    boost::shared_ptr<tz_type> zone_;
+    //bool is_dst_;
+
+    /*! Adjust the passed in time to UTC?
+     */
+    utc_time_type construction_adjustment(utc_time_type t,
+                                          boost::shared_ptr<tz_type> z,
+                                          bool dst_flag)
+    {
+      if(z != boost::shared_ptr<tz_type>()) {
+        if(dst_flag && z->has_dst()) {
+          t -= z->dst_offset();
+        } // else no adjust
+        t -= z->base_utc_offset();
+      }
+      return t;
+    }
+
+    /*! Simple formatting code -- todo remove this?
+     */
+    std::string zone_as_offset(const time_duration_type& td,
+                               const std::string& separator) const
+    {
+      std::ostringstream ss;
+      if(td.is_negative()) {
+        // a negative duration is represented as "-[h]h:mm"
+        // we require two digits for the hour. A positive duration
+        // with the %H flag will always give two digits
+        ss << "-";
+      }
+      else {
+        ss << "+";
+      }
+      ss  << std::setw(2) << std::setfill('0')
+          << date_time::absolute_value(td.hours())
+          << separator
+          << std::setw(2) << std::setfill('0')
+          << date_time::absolute_value(td.minutes());
+      return ss.str();
+    }
+  };
+
+  //!Use the default parameters to define local_date_time
+  typedef local_date_time_base<> local_date_time;
+
+} }
+
+
+#endif

test/external/boost/date_time/local_time/local_time.hpp

@@ -0,0 +1,24 @@
+#ifndef LOCAL_TIME_LOCAL_TIME_HPP__
+#define LOCAL_TIME_LOCAL_TIME_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/posix_time/posix_time.hpp"
+#include "boost/date_time/local_time/local_date_time.hpp"
+#include "boost/date_time/local_time/local_time_types.hpp"
+#if !defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
+#include "boost/date_time/local_time/local_time_io.hpp"
+#endif // USE_DATE_TIME_PRE_1_33_FACET_IO
+#include "boost/date_time/local_time/posix_time_zone.hpp"
+#include "boost/date_time/local_time/custom_time_zone.hpp"
+#include "boost/date_time/local_time/tz_database.hpp"
+#include "boost/date_time/local_time/conversion.hpp"
+#include "boost/date_time/time_zone_base.hpp"
+
+
+#endif

test/external/boost/date_time/local_time/local_time_io.hpp

@@ -0,0 +1,186 @@
+#ifndef BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__
+#define BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-11-13 14:05:31 -0500 (Thu, 13 Nov 2008) $
+ */
+
+#include <locale>
+#include <iostream>
+#include <iterator> // i/ostreambuf_iterator
+#include <boost/io/ios_state.hpp>
+#include <boost/date_time/time_facet.hpp>
+#include <boost/date_time/string_convert.hpp>
+#include <boost/date_time/local_time/local_date_time.hpp>
+#include <boost/date_time/local_time/posix_time_zone.hpp>
+#include <boost/date_time/local_time/conversion.hpp> // to_tm will be needed in the facets
+
+namespace boost {
+namespace local_time {
+
+  typedef boost::date_time::time_facet<local_date_time, wchar_t> wlocal_time_facet;
+  typedef boost::date_time::time_facet<local_date_time, char>     local_time_facet;
+
+  typedef boost::date_time::time_input_facet<local_date_time::utc_time_type,wchar_t> wlocal_time_input_facet;
+  typedef boost::date_time::time_input_facet<local_date_time::utc_time_type,char>     local_time_input_facet;
+
+  //! operator<< for local_date_time - see local_time docs for formatting details
+  template<class CharT, class TraitsT>
+  inline
+  std::basic_ostream<CharT, TraitsT>&
+  operator<<(std::basic_ostream<CharT, TraitsT>& os, const local_date_time& ldt)
+  {
+    boost::io::ios_flags_saver iflags(os);
+    typedef local_date_time time_type;//::utc_time_type typename 
+    typedef date_time::time_facet<time_type, CharT> custom_time_facet;
+    typedef std::time_put<CharT> std_time_facet;
+    std::ostreambuf_iterator<CharT> oitr(os);
+
+    if(std::has_facet<custom_time_facet>(os.getloc())) {
+      std::use_facet<custom_time_facet>(os.getloc()).put(oitr, 
+                                                         os, 
+                                                         os.fill(), 
+                                                         ldt);
+    }
+    else {
+      custom_time_facet* f = new custom_time_facet();
+      std::locale l = std::locale(os.getloc(), f);
+      os.imbue(l);
+      f->put(oitr, os, os.fill(), ldt);
+    }
+
+    return os;
+  }
+
+
+  //! input operator for local_date_time
+  template <class CharT, class Traits>
+  inline
+  std::basic_istream<CharT, Traits>&
+  operator>>(std::basic_istream<CharT, Traits>& is, local_date_time& ldt)
+  {
+    boost::io::ios_flags_saver iflags(is);
+    typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
+    if (strm_sentry) {
+      try {
+        typedef typename local_date_time::utc_time_type utc_time_type;
+        typedef typename date_time::time_input_facet<utc_time_type, CharT> time_input_facet;
+
+        // intermediate objects
+        std::basic_string<CharT> tz_str;
+        utc_time_type pt(not_a_date_time); 
+
+        std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
+        if(std::has_facet<time_input_facet>(is.getloc())) {
+          std::use_facet<time_input_facet>(is.getloc()).get_local_time(sit, str_end, is, pt, tz_str);
+        }
+        else {
+          time_input_facet* f = new time_input_facet();
+          std::locale l = std::locale(is.getloc(), f);
+          is.imbue(l);
+          f->get_local_time(sit, str_end, is, pt, tz_str);
+        }
+        if(tz_str.empty()) {
+          time_zone_ptr null_ptr;
+          // a null time_zone_ptr creates a local_date_time that is UTC
+          ldt = local_date_time(pt, null_ptr);
+        }
+        else {
+          time_zone_ptr tz_ptr(new posix_time_zone(date_time::convert_string_type<CharT,char>(tz_str)));
+          // the "date & time" constructor expects the time label to *not* be utc.
+          // a posix_tz_string also expects the time label to *not* be utc.
+          ldt = local_date_time(pt.date(), pt.time_of_day(), tz_ptr, local_date_time::EXCEPTION_ON_ERROR);
+        }
+      }
+      catch(...) {
+        // mask tells us what exceptions are turned on
+        std::ios_base::iostate exception_mask = is.exceptions();
+        // if the user wants exceptions on failbit, we'll rethrow our 
+        // date_time exception & set the failbit
+        if(std::ios_base::failbit & exception_mask) {
+          try { is.setstate(std::ios_base::failbit); }
+          catch(std::ios_base::failure&) {} // ignore this one
+          throw; // rethrow original exception
+        }
+        else {
+          // if the user want's to fail quietly, we simply set the failbit
+          is.setstate(std::ios_base::failbit);
+        }
+
+      }
+    }
+    return is;
+  }
+
+  //! output operator for local_time_period
+  template <class CharT, class TraitsT>
+  inline
+  std::basic_ostream<CharT, TraitsT>&
+  operator<<(std::basic_ostream<CharT, TraitsT>& os,
+             const boost::local_time::local_time_period& p) {
+    boost::io::ios_flags_saver iflags(os);
+    typedef boost::date_time::time_facet<local_date_time, CharT> custom_facet;
+    typedef std::time_put<CharT> std_time_facet;
+    std::ostreambuf_iterator<CharT> oitr(os);
+    if (std::has_facet<custom_facet>(os.getloc())) {
+      std::use_facet<custom_facet>(os.getloc()).put(oitr, os, os.fill(), p);
+    }
+    else {
+      //instantiate a custom facet for dealing with periods since the user
+      //has not put one in the stream so far.  This is for efficiency 
+      //since we would always need to reconstruct for every time period
+      //if the local did not already exist.  Of course this will be overridden
+      //if the user imbues as some later point.
+      custom_facet* f = new custom_facet();
+      std::locale l = std::locale(os.getloc(), f);
+      os.imbue(l);
+      f->put(oitr, os, os.fill(), p);
+    }
+    return os;
+  }
+
+  //! input operator for local_time_period
+  template <class CharT, class Traits>
+  inline
+  std::basic_istream<CharT, Traits>&
+  operator>>(std::basic_istream<CharT, Traits>& is, boost::local_time::local_time_period& tp)
+  {
+    boost::io::ios_flags_saver iflags(is);
+    typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
+    if (strm_sentry) {
+      try {
+        typedef typename date_time::time_input_facet<local_date_time, CharT> time_input_facet;
+
+        std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
+        if(std::has_facet<time_input_facet>(is.getloc())) {
+          std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, tp);
+        }
+        else {
+          time_input_facet* f = new time_input_facet();
+          std::locale l = std::locale(is.getloc(), f);
+          is.imbue(l);
+          f->get(sit, str_end, is, tp);
+        }
+      }
+      catch(...) {
+        std::ios_base::iostate exception_mask = is.exceptions();
+        if(std::ios_base::failbit & exception_mask) {
+          try { is.setstate(std::ios_base::failbit); }
+          catch(std::ios_base::failure&) {}
+          throw; // rethrow original exception
+        }
+        else {
+          is.setstate(std::ios_base::failbit);
+        }
+
+      }
+    }
+    return is;
+  }
+
+} } // namespaces
+
+#endif // BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__

test/external/boost/date_time/local_time/local_time_types.hpp

@@ -0,0 +1,52 @@
+#ifndef LOCAL_TIME_LOCAL_TIME_TYPES_HPP__
+#define LOCAL_TIME_LOCAL_TIME_TYPES_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/local_time/local_date_time.hpp"
+#include "boost/date_time/period.hpp"
+#include "boost/date_time/time_iterator.hpp"
+#include "boost/date_time/compiler_config.hpp"
+#if defined(BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES)
+#include "boost/date_time/local_time/date_duration_operators.hpp"
+#endif //BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES
+#include "boost/date_time/local_time/custom_time_zone.hpp"
+
+namespace boost {
+namespace local_time {
+
+  typedef boost::date_time::period<local_date_time, 
+                                   boost::posix_time::time_duration> local_time_period;
+
+  typedef date_time::time_itr<local_date_time> local_time_iterator;
+
+  typedef date_time::second_clock<local_date_time> local_sec_clock; 
+  typedef date_time::microsec_clock<local_date_time> local_microsec_clock;
+  
+  typedef date_time::time_zone_base<posix_time::ptime, char> time_zone;
+  typedef date_time::time_zone_base<posix_time::ptime, wchar_t> wtime_zone;
+
+  //! Shared Pointer for custom_time_zone and posix_time_zone objects
+  typedef boost::shared_ptr<time_zone> time_zone_ptr;
+  typedef boost::shared_ptr<wtime_zone> wtime_zone_ptr;
+ 
+  typedef date_time::time_zone_names_base<char> time_zone_names;
+  typedef date_time::time_zone_names_base<wchar_t> wtime_zone_names;
+
+  //bring special enum values into the namespace
+  using date_time::special_values;
+  using date_time::not_special;
+  using date_time::neg_infin;
+  using date_time::pos_infin;
+  using date_time::not_a_date_time;
+  using date_time::max_date_time;
+  using date_time::min_date_time;
+
+}} // namespaces
+
+#endif // LOCAL_TIME_LOCAL_TIME_TYPES_HPP__

test/external/boost/date_time/local_time/posix_time_zone.hpp

@@ -0,0 +1,474 @@
+#ifndef _DATE_TIME_POSIX_TIME_ZONE__
+#define _DATE_TIME_POSIX_TIME_ZONE__
+
+/* Copyright (c) 2003-2005 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2010-06-10 13:24:38 -0400 (Thu, 10 Jun 2010) $
+ */
+
+#include <string>
+#include <sstream>
+#include <stdexcept>
+#include <boost/tokenizer.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/date_time/gregorian/gregorian.hpp>
+#include <boost/date_time/time_zone_names.hpp>
+#include <boost/date_time/time_zone_base.hpp>
+#include <boost/date_time/local_time/dst_transition_day_rules.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <boost/date_time/string_convert.hpp>
+#include <boost/date_time/time_parsing.hpp>
+
+namespace boost{
+namespace local_time{
+
+  //! simple exception for UTC and Daylight savings start/end offsets
+  struct bad_offset : public std::out_of_range
+  {
+    bad_offset(std::string const& msg = std::string()) :
+      std::out_of_range(std::string("Offset out of range: " + msg)) {}
+  };
+  //! simple exception for UTC daylight savings adjustment
+  struct bad_adjustment : public std::out_of_range
+  {
+    bad_adjustment(std::string const& msg = std::string()) :
+      std::out_of_range(std::string("Adjustment out of range: " + msg)) {}
+  };
+
+  typedef boost::date_time::dst_adjustment_offsets<boost::posix_time::time_duration> dst_adjustment_offsets;
+
+  //! A time zone class constructed from a POSIX time zone string
+  /*! A POSIX time zone string takes the form of:<br>
+   * "std offset dst [offset],start[/time],end[/time]" (w/no spaces)
+   * 'std' specifies the abbrev of the time zone.<br>
+   * 'offset' is the offset from UTC.<br>
+   * 'dst' specifies the abbrev of the time zone during daylight savings time.<br>
+   * The second offset is how many hours changed during DST. Default=1<br>
+   * 'start' and'end' are the dates when DST goes into (and out of) effect.<br>
+   * 'offset' takes the form of: [+|-]hh[:mm[:ss]] {h=0-23, m/s=0-59}<br>
+   * 'time' and 'offset' take the same form. Time defaults=02:00:00<br>
+   * 'start' and 'end' can be one of three forms:<br>
+   * Mm.w.d {month=1-12, week=1-5 (5 is always last), day=0-6}<br>
+   * Jn {n=1-365 Feb29 is never counted}<br>
+   * n  {n=0-365 Feb29 is counted in leap years}<br>
+   * Example "PST-5PDT01:00:00,M4.1.0/02:00:00,M10.1.0/02:00:00"
+   * <br>
+   * Exceptions will be thrown under these conditions:<br>
+   * An invalid date spec (see date class)<br>
+   * A boost::local_time::bad_offset exception will be thrown for:<br>
+   * A DST start or end offset that is negative or more than 24 hours<br>
+   * A UTC zone that is greater than +14 or less than -12 hours<br>
+   * A boost::local_time::bad_adjustment exception will be thrown for:<br>
+   * A DST adjustment that is 24 hours or more (positive or negative)<br>
+   *
+   * Note that UTC zone offsets can be greater than +12:
+   * http://www.worldtimezone.com/utc/utc+1200.html
+   */
+  template<class CharT>
+  class posix_time_zone_base : public date_time::time_zone_base<posix_time::ptime,CharT> {
+  public:
+    typedef boost::posix_time::time_duration time_duration_type;
+    typedef date_time::time_zone_names_base<CharT> time_zone_names;
+    typedef date_time::time_zone_base<posix_time::ptime,CharT> base_type;
+    typedef typename base_type::string_type string_type;
+    typedef CharT char_type;
+    typedef typename base_type::stringstream_type stringstream_type;
+    typedef boost::char_separator<char_type, std::char_traits<char_type> > char_separator_type;
+    typedef boost::tokenizer<char_separator_type,
+                             typename string_type::const_iterator,
+                             string_type> tokenizer_type;
+    typedef typename tokenizer_type::iterator tokenizer_iterator_type;
+
+    //! Construct from a POSIX time zone string
+    posix_time_zone_base(const string_type& s) :
+      //zone_names_("std_name","std_abbrev","no-dst","no-dst"),
+      zone_names_(),
+      has_dst_(false),
+      base_utc_offset_(posix_time::hours(0)),
+      dst_offsets_(posix_time::hours(0),posix_time::hours(0),posix_time::hours(0)),
+      dst_calc_rules_()
+    {
+#ifdef __HP_aCC
+      // Work around bug in aC++ compiler: see QXCR1000880488 in the
+      // HP bug tracking system
+      const char_type sep_chars[2] = {',',0};
+#else
+      const char_type sep_chars[2] = {','};
+#endif
+      char_separator_type sep(sep_chars);
+      tokenizer_type tokens(s, sep);
+      tokenizer_iterator_type it = tokens.begin(), end = tokens.end();
+      if (it == end)
+        BOOST_THROW_EXCEPTION(std::invalid_argument("Could not parse time zone name"));
+      calc_zone(*it++);
+      if(has_dst_)
+      {
+        if (it == end)
+          BOOST_THROW_EXCEPTION(std::invalid_argument("Could not parse DST begin time"));
+        string_type dst_begin = *it++;
+
+        if (it == end)
+          BOOST_THROW_EXCEPTION(std::invalid_argument("Could not parse DST end time"));
+        string_type dst_end = *it;
+        calc_rules(dst_begin, dst_end);
+      }
+    }
+    virtual ~posix_time_zone_base() {};
+    //!String for the zone when not in daylight savings (eg: EST)
+    virtual string_type std_zone_abbrev()const
+    {
+      return zone_names_.std_zone_abbrev();
+    }
+    //!String for the timezone when in daylight savings (eg: EDT)
+    /*! For those time zones that have no DST, an empty string is used */
+    virtual string_type dst_zone_abbrev() const
+    {
+      return zone_names_.dst_zone_abbrev();
+    }
+    //!String for the zone when not in daylight savings (eg: Eastern Standard Time)
+    /*! The full STD name is not extracted from the posix time zone string.
+     * Therefore, the STD abbreviation is used in it's place */
+    virtual string_type std_zone_name()const
+    {
+      return zone_names_.std_zone_name();
+    }
+    //!String for the timezone when in daylight savings (eg: Eastern Daylight Time)
+    /*! The full DST name is not extracted from the posix time zone string.
+     * Therefore, the STD abbreviation is used in it's place. For time zones
+     * that have no DST, an empty string is used */
+    virtual string_type dst_zone_name()const
+    {
+      return zone_names_.dst_zone_name();
+    }
+    //! True if zone uses daylight savings adjustments otherwise false
+    virtual bool has_dst()const
+    {
+      return has_dst_;
+    }
+    //! Local time that DST starts -- NADT if has_dst is false
+    virtual posix_time::ptime dst_local_start_time(gregorian::greg_year y)const
+    {
+      gregorian::date d(gregorian::not_a_date_time);
+      if(has_dst_)
+      {
+        d = dst_calc_rules_->start_day(y);
+      }
+      return posix_time::ptime(d, dst_offsets_.dst_start_offset_);
+    }
+    //! Local time that DST ends -- NADT if has_dst is false
+    virtual posix_time::ptime dst_local_end_time(gregorian::greg_year y)const
+    {
+      gregorian::date d(gregorian::not_a_date_time);
+      if(has_dst_)
+      {
+        d = dst_calc_rules_->end_day(y);
+      }
+      return posix_time::ptime(d, dst_offsets_.dst_end_offset_);
+    }
+    //! Base offset from UTC for zone (eg: -07:30:00)
+    virtual time_duration_type base_utc_offset()const
+    {
+      return base_utc_offset_;
+    }
+    //! Adjustment forward or back made while DST is in effect
+    virtual time_duration_type dst_offset()const
+    {
+      return dst_offsets_.dst_adjust_;
+    }
+
+    //! Returns a POSIX time_zone string for this object
+    virtual string_type to_posix_string() const
+    {
+      // std offset dst [offset],start[/time],end[/time] - w/o spaces
+      stringstream_type ss;
+      ss.fill('0');
+      boost::shared_ptr<dst_calc_rule> no_rules;
+      // std
+      ss << std_zone_abbrev();
+      // offset
+      if(base_utc_offset().is_negative()) {
+        // inverting the sign guarantees we get two digits
+        ss << '-' << std::setw(2) << base_utc_offset().invert_sign().hours();
+      }
+      else {
+        ss << '+' << std::setw(2) << base_utc_offset().hours();
+      }
+      if(base_utc_offset().minutes() != 0 || base_utc_offset().seconds() != 0) {
+        ss << ':' << std::setw(2) << base_utc_offset().minutes();
+        if(base_utc_offset().seconds() != 0) {
+          ss << ':' << std::setw(2) << base_utc_offset().seconds();
+        }
+      }
+      if(dst_calc_rules_ != no_rules) {
+        // dst
+        ss << dst_zone_abbrev();
+        // dst offset
+        if(dst_offset().is_negative()) {
+        // inverting the sign guarantees we get two digits
+          ss << '-' << std::setw(2) << dst_offset().invert_sign().hours();
+        }
+        else {
+          ss << '+' << std::setw(2) << dst_offset().hours();
+        }
+        if(dst_offset().minutes() != 0 || dst_offset().seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offset().minutes();
+          if(dst_offset().seconds() != 0) {
+            ss << ':' << std::setw(2) << dst_offset().seconds();
+          }
+        }
+        // start/time
+        ss << ',' << date_time::convert_string_type<char, char_type>(dst_calc_rules_->start_rule_as_string()) << '/'
+           << std::setw(2) << dst_offsets_.dst_start_offset_.hours() << ':'
+           << std::setw(2) << dst_offsets_.dst_start_offset_.minutes();
+        if(dst_offsets_.dst_start_offset_.seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offsets_.dst_start_offset_.seconds();
+        }
+        // end/time
+        ss << ',' << date_time::convert_string_type<char, char_type>(dst_calc_rules_->end_rule_as_string()) << '/'
+           << std::setw(2) << dst_offsets_.dst_end_offset_.hours() << ':'
+           << std::setw(2) << dst_offsets_.dst_end_offset_.minutes();
+        if(dst_offsets_.dst_end_offset_.seconds() != 0) {
+          ss << ':' << std::setw(2) << dst_offsets_.dst_end_offset_.seconds();
+        }
+      }
+
+      return ss.str();
+    }
+  private:
+    time_zone_names zone_names_;
+    bool has_dst_;
+    time_duration_type base_utc_offset_;
+    dst_adjustment_offsets dst_offsets_;
+    boost::shared_ptr<dst_calc_rule> dst_calc_rules_;
+
+    /*! Extract time zone abbreviations for STD & DST as well
+     * as the offsets for the time shift that occurs and how
+     * much of a shift. At this time full time zone names are
+     * NOT extracted so the abbreviations are used in their place */
+    void calc_zone(const string_type& obj){
+      const char_type empty_string[2] = {'\0'};
+      stringstream_type ss(empty_string);
+      typename string_type::const_pointer sit = obj.c_str(), obj_end = sit + obj.size();
+      string_type l_std_zone_abbrev, l_dst_zone_abbrev;
+
+      // get 'std' name/abbrev
+      while(std::isalpha(*sit)){
+        ss << *sit++;
+      }
+      l_std_zone_abbrev = ss.str();
+      ss.str(empty_string);
+
+      // get UTC offset
+      if(sit != obj_end){
+        // get duration
+        while(sit != obj_end && !std::isalpha(*sit)){
+          ss << *sit++;
+        }
+        base_utc_offset_ = date_time::str_from_delimited_time_duration<time_duration_type,char_type>(ss.str());
+        ss.str(empty_string);
+
+        // base offset must be within range of -12 hours to +14 hours
+        if(base_utc_offset_ < time_duration_type(-12,0,0) ||
+          base_utc_offset_ > time_duration_type(14,0,0))
+        {
+          boost::throw_exception(bad_offset(posix_time::to_simple_string(base_utc_offset_)));
+        }
+      }
+
+      // get DST data if given
+      if(sit != obj_end){
+        has_dst_ = true;
+
+        // get 'dst' name/abbrev
+        while(sit != obj_end && std::isalpha(*sit)){
+          ss << *sit++;
+        }
+        l_dst_zone_abbrev = ss.str();
+        ss.str(empty_string);
+
+        // get DST offset if given
+        if(sit != obj_end){
+          // get duration
+          while(sit != obj_end && !std::isalpha(*sit)){
+            ss << *sit++;
+          }
+          dst_offsets_.dst_adjust_ = date_time::str_from_delimited_time_duration<time_duration_type,char_type>(ss.str());
+          ss.str(empty_string);
+        }
+        else{ // default DST offset
+          dst_offsets_.dst_adjust_ = posix_time::hours(1);
+        }
+
+        // adjustment must be within +|- 1 day
+        if(dst_offsets_.dst_adjust_ <= time_duration_type(-24,0,0) ||
+            dst_offsets_.dst_adjust_ >= time_duration_type(24,0,0))
+        {
+          boost::throw_exception(bad_adjustment(posix_time::to_simple_string(dst_offsets_.dst_adjust_)));
+        }
+      }
+      // full names not extracted so abbrevs used in their place
+      zone_names_ = time_zone_names(l_std_zone_abbrev, l_std_zone_abbrev, l_dst_zone_abbrev, l_dst_zone_abbrev);
+    }
+
+    void calc_rules(const string_type& start, const string_type& end){
+#ifdef __HP_aCC
+      // Work around bug in aC++ compiler: see QXCR1000880488 in the
+      // HP bug tracking system
+      const char_type sep_chars[2] = {'/',0};
+#else
+      const char_type sep_chars[2] = {'/'};
+#endif
+      char_separator_type sep(sep_chars);
+      tokenizer_type st_tok(start, sep);
+      tokenizer_type et_tok(end, sep);
+      tokenizer_iterator_type sit = st_tok.begin();
+      tokenizer_iterator_type eit = et_tok.begin();
+
+      // generate date spec
+      char_type x = string_type(*sit).at(0);
+      if(x == 'M'){
+        M_func(*sit, *eit);
+      }
+      else if(x == 'J'){
+        julian_no_leap(*sit, *eit);
+      }
+      else{
+        julian_day(*sit, *eit);
+      }
+
+      ++sit;
+      ++eit;
+      // generate durations
+      // starting offset
+      if(sit != st_tok.end()){
+        dst_offsets_.dst_start_offset_ =  date_time::str_from_delimited_time_duration<time_duration_type,char_type>(*sit);
+      }
+      else{
+        // default
+        dst_offsets_.dst_start_offset_ = posix_time::hours(2);
+      }
+      // start/end offsets must fall on given date
+      if(dst_offsets_.dst_start_offset_ < time_duration_type(0,0,0) ||
+          dst_offsets_.dst_start_offset_ >= time_duration_type(24,0,0))
+      {
+        boost::throw_exception(bad_offset(posix_time::to_simple_string(dst_offsets_.dst_start_offset_)));
+      }
+
+      // ending offset
+      if(eit != et_tok.end()){
+        dst_offsets_.dst_end_offset_ =  date_time::str_from_delimited_time_duration<time_duration_type,char_type>(*eit);
+      }
+      else{
+        // default
+        dst_offsets_.dst_end_offset_ = posix_time::hours(2);
+      }
+      // start/end offsets must fall on given date
+      if(dst_offsets_.dst_end_offset_ < time_duration_type(0,0,0) ||
+        dst_offsets_.dst_end_offset_ >= time_duration_type(24,0,0))
+      {
+        boost::throw_exception(bad_offset(posix_time::to_simple_string(dst_offsets_.dst_end_offset_)));
+      }
+    }
+
+    /* Parses out a start/end date spec from a posix time zone string.
+     * Date specs come in three possible formats, this function handles
+     * the 'M' spec. Ex "M2.2.4" => 2nd month, 2nd week, 4th day .
+     */
+    void M_func(const string_type& s, const string_type& e){
+      typedef gregorian::nth_kday_of_month nkday;
+      unsigned short sm=0,sw=0,sd=0,em=0,ew=0,ed=0; // start/end month,week,day
+#ifdef __HP_aCC
+      // Work around bug in aC++ compiler: see QXCR1000880488 in the
+      // HP bug tracking system
+      const char_type sep_chars[3] = {'M','.',0};
+#else
+      const char_type sep_chars[3] = {'M','.'};
+#endif
+      char_separator_type sep(sep_chars);
+      tokenizer_type stok(s, sep), etok(e, sep);
+
+      tokenizer_iterator_type it = stok.begin();
+      sm = lexical_cast<unsigned short>(*it++);
+      sw = lexical_cast<unsigned short>(*it++);
+      sd = lexical_cast<unsigned short>(*it);
+
+      it = etok.begin();
+      em = lexical_cast<unsigned short>(*it++);
+      ew = lexical_cast<unsigned short>(*it++);
+      ed = lexical_cast<unsigned short>(*it);
+
+      dst_calc_rules_ = shared_ptr<dst_calc_rule>(
+        new nth_kday_dst_rule(
+          nth_last_dst_rule::start_rule(
+            static_cast<nkday::week_num>(sw),sd,sm),
+          nth_last_dst_rule::start_rule(
+            static_cast<nkday::week_num>(ew),ed,em)
+          )
+      );
+    }
+
+    //! Julian day. Feb29 is never counted, even in leap years
+    // expects range of 1-365
+    void julian_no_leap(const string_type& s, const string_type& e){
+      typedef gregorian::gregorian_calendar calendar;
+      const unsigned short year = 2001; // Non-leap year
+      unsigned short sm=1;
+      int sd=0;
+      sd = lexical_cast<int>(s.substr(1)); // skip 'J'
+      while(sd >= calendar::end_of_month_day(year,sm)){
+        sd -= calendar::end_of_month_day(year,sm++);
+      }
+      unsigned short em=1;
+      int ed=0;
+      ed = lexical_cast<int>(e.substr(1)); // skip 'J'
+      while(ed > calendar::end_of_month_day(year,em)){
+        ed -= calendar::end_of_month_day(year,em++);
+      }
+
+      dst_calc_rules_ = shared_ptr<dst_calc_rule>(
+        new partial_date_dst_rule(
+          partial_date_dst_rule::start_rule(
+            sd, static_cast<date_time::months_of_year>(sm)),
+          partial_date_dst_rule::end_rule(
+            ed, static_cast<date_time::months_of_year>(em))
+          )
+      );
+    }
+
+    //! Julian day. Feb29 is always counted, but exception thrown in non-leap years
+    // expects range of 0-365
+    void julian_day(const string_type& s, const string_type& e){
+      int sd=0, ed=0;
+      sd = lexical_cast<int>(s);
+      ed = lexical_cast<int>(e);
+      dst_calc_rules_ = shared_ptr<dst_calc_rule>(
+        new partial_date_dst_rule(
+          partial_date_dst_rule::start_rule(++sd),// args are 0-365
+          partial_date_dst_rule::end_rule(++ed) // pd expects 1-366
+          )
+      );
+    }
+
+    //! helper function used when throwing exceptions
+    static std::string td_as_string(const time_duration_type& td)
+    {
+      std::string s;
+#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
+      s = posix_time::to_simple_string(td);
+#else
+      std::stringstream ss;
+      ss << td;
+      s = ss.str();
+#endif
+      return s;
+    }
+  };
+
+  typedef posix_time_zone_base<char> posix_time_zone;
+
+} } // namespace boost::local_time
+
+
+#endif // _DATE_TIME_POSIX_TIME_ZONE__

test/external/boost/date_time/local_time/tz_database.hpp

@@ -0,0 +1,32 @@
+#ifndef BOOST_DATE_TIME_TZ_DATABASE_HPP__
+#define BOOST_DATE_TIME_TZ_DATABASE_HPP__
+
+/* Copyright (c) 2003-2004 CrystalClear Software, Inc.
+ * 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, Bart Garst
+ * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include <string>
+#include "boost/date_time/local_time/custom_time_zone.hpp"
+#include "boost/date_time/local_time/dst_transition_day_rules.hpp"
+#include "boost/date_time/tz_db_base.hpp"
+
+
+namespace boost {
+namespace local_time {
+
+  using date_time::data_not_accessible; 
+  using date_time::bad_field_count; 
+
+  //! Object populated with boost::shared_ptr<time_zone_base> objects
+  /*! Object populated with boost::shared_ptr<time_zone_base> objects
+   * Database is populated from specs stored in external csv file. See
+   * date_time::tz_db_base for greater detail */
+  typedef date_time::tz_db_base<custom_time_zone, nth_kday_dst_rule> tz_database;
+
+}} // namespace
+
+#endif // BOOST_DATE_TIME_TZ_DATABASE_HPP__
+