<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Class template us_dst_rules</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../date_time/doxy.html#header.boost.date_time.dst_rules_hpp" title="Header <boost/date_time/dst_rules.hpp>"> <link rel="prev" href="dst_calc_engine.html" title="Class template dst_calc_engine"> <link rel="next" href="null_dst_rules.html" title="Class template null_dst_rules"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td 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us_dst_rules</span></h2> <p>boost::date_time::us_dst_rules — Depricated: Class to calculate dst boundaries for US time zones. </p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../date_time/doxy.html#header.boost.date_time.dst_rules_hpp" title="Header <boost/date_time/dst_rules.hpp>">boost/date_time/dst_rules.hpp</a>> </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> date_type_<span class="special">,</span> <span class="keyword">typename</span> time_duration_type_<span class="special">,</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> dst_start_offset_minutes <span class="special">=</span> <span class="number">120</span><span class="special">,</span> <span class="keyword">short</span> dst_length_minutes <span class="special">=</span> <span class="number">60</span><span class="special">></span> <span class="keyword">class</span> <a class="link" href="us_dst_rules.html" title="Class template us_dst_rules">us_dst_rules</a> <span class="special">{</span> <span class="keyword">public</span><span class="special">:</span> <span class="comment">// types</span> <span class="keyword">typedef</span> <span class="identifier">time_duration_type_</span> <a name="boost.date_time.us_dst_rules.time_duration_type"></a><span class="identifier">time_duration_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">date_type_</span> <a name="boost.date_time.us_dst_rules.date_type"></a><span class="identifier">date_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">year_type</span> <a name="boost.date_time.us_dst_rules.year_type"></a><span class="identifier">year_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">calendar_type</span> <a name="boost.date_time.us_dst_rules.calendar_type"></a><span class="identifier">calendar_type</span><span class="special">;</span> <span class="keyword">typedef</span> <a class="link" href="last_kday_of_month.html" title="Class template last_kday_of_month">date_time::last_kday_of_month</a><span class="special"><</span> <span class="identifier">date_type</span> <span class="special">></span> <a name="boost.date_time.us_dst_rules.lkday"></a><span class="identifier">lkday</span><span class="special">;</span> <span class="keyword">typedef</span> <a class="link" href="first_kday_of_month.html" title="Class template first_kday_of_month">date_time::first_kday_of_month</a><span class="special"><</span> <span class="identifier">date_type</span> <span class="special">></span> <a name="boost.date_time.us_dst_rules.fkday"></a><span class="identifier">fkday</span><span class="special">;</span> <span class="keyword">typedef</span> <a class="link" href="nth_kday_of_month.html" title="Class template nth_kday_of_month">date_time::nth_kday_of_month</a><span class="special"><</span> <span class="identifier">date_type</span> <span class="special">></span> <a name="boost.date_time.us_dst_rules.nkday"></a><span class="identifier">nkday</span><span class="special">;</span> <span class="keyword">typedef</span> <a class="link" href="dst_calculator.html" title="Class template dst_calculator">dst_calculator</a><span class="special"><</span> <span class="identifier">date_type</span><span class="special">,</span> <span class="identifier">time_duration_type</span> <span class="special">></span> <a name="boost.date_time.us_dst_rules.dstcalc"></a><span class="identifier">dstcalc</span><span class="special">;</span> <span class="comment">// <a class="link" href="us_dst_rules.html#id364264-bb">public static functions</a></span> <span class="keyword">static</span> <span class="identifier">time_is_dst_result</span> <a class="link" href="us_dst_rules.html#id364267-bb"><span class="identifier">local_is_dst</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="us_dst_rules.html#id389556-bb"><span class="identifier">is_dst_boundary_day</span></a><span class="special">(</span><span class="identifier">date_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">date_type</span> <a class="link" href="us_dst_rules.html#id410220-bb"><span class="identifier">local_dst_start_day</span></a><span class="special">(</span><span class="identifier">year_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">date_type</span> <a class="link" href="us_dst_rules.html#id389137-bb"><span class="identifier">local_dst_end_day</span></a><span class="special">(</span><span class="identifier">year_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a class="link" href="us_dst_rules.html#id389151-bb"><span class="identifier">dst_offset</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="id1122052"></a><h2>Description</h2> <div class="refsect2"> <a name="id1122056"></a><h3> <a name="id364264-bb"></a><code class="computeroutput">us_dst_rules</code> public static functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_is_dst_result</span> <a name="id364267-bb"></a><span class="identifier">local_is_dst</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&</span> td<span class="special">)</span><span class="special">;</span></pre>Calculates if the given local time is dst or not. <p>Determines if the time is really in DST or not. Also checks for invalid and ambiguous. </p> </li> <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="id389556-bb"></a><span class="identifier">is_dst_boundary_day</span><span class="special">(</span><span class="identifier">date_type</span> d<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">date_type</span> <a name="id410220-bb"></a><span class="identifier">local_dst_start_day</span><span class="special">(</span><span class="identifier">year_type</span> year<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">date_type</span> <a name="id389137-bb"></a><span class="identifier">local_dst_end_day</span><span class="special">(</span><span class="identifier">year_type</span> year<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a name="id389151-bb"></a><span class="identifier">dst_offset</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> </ol></div> </div> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2001-2005 CrystalClear Software, Inc<p>Subject to the Boost Software License, Version 1.0. (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="dst_calc_engine.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.dst_rules_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="null_dst_rules.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>