1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Class template custom_time_zone_base</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../date_time/doxy.html#header.boost.date_time.local_time.custom_time_zone_hpp" title="Header <boost/date_time/local_time/custom_time_zone.hpp>"> 10<link rel="prev" href="../serialization/load_1_3_14_15_5_16_1_1_11.html" title="Function template load"> 11<link rel="next" href="operat_1_3_14_15_6_4_2_1_1.html" title="Function operator+"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="../serialization/load_1_3_14_15_5_16_1_1_11.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.local_time.custom_time_zone_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="operat_1_3_14_15_6_4_2_1_1.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.local_time.custom_time_zone_base"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template custom_time_zone_base</span></h2> 30<p>boost::local_time::custom_time_zone_base — A real time zone. </p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<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.local_time.custom_time_zone_hpp" title="Header <boost/date_time/local_time/custom_time_zone.hpp>">boost/date_time/local_time/custom_time_zone.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="custom_time_zone_base.html" title="Class template custom_time_zone_base">custom_time_zone_base</a> <span class="special">:</span> 37 <span class="keyword">public</span> <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">time_zone_base</span><span class="special"><</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> 38<span class="special">{</span> 39<span class="keyword">public</span><span class="special">:</span> 40 <span class="comment">// types</span> 41 <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">time_duration</span> <a name="boost.local_time.custom_time_zone_base.time_duration_type"></a><span class="identifier">time_duration_type</span><span class="special">;</span> 42 <span class="keyword">typedef</span> <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">time_zone_base</span><span class="special"><</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> <a name="boost.local_time.custom_time_zone_base.base_type"></a><span class="identifier">base_type</span><span class="special">;</span> 43 <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">string_type</span> <a name="boost.local_time.custom_time_zone_base.string_type"></a><span class="identifier">string_type</span><span class="special">;</span> 44 <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">stringstream_type</span> <a name="boost.local_time.custom_time_zone_base.stringstream_type"></a><span class="identifier">stringstream_type</span><span class="special">;</span> 45 <span class="keyword">typedef</span> <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">time_zone_names_base</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <a name="boost.local_time.custom_time_zone_base.time_zone_names"></a><span class="identifier">time_zone_names</span><span class="special">;</span> 46 <span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.local_time.custom_time_zone_base.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> 47 48 <span class="comment">// <a class="link" href="custom_time_zone_base.html#boost.local_time.custom_time_zone_baseconstruct-copy-destruct">construct/copy/destruct</a></span> 49 <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_11-bb"><span class="identifier">custom_time_zone_base</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_zone_names</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> 50 <span class="keyword">const</span> <span class="identifier">dst_adjustment_offsets</span> <span class="special">&</span><span class="special">,</span> 51 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special"><</span> <span class="identifier">dst_calc_rule</span> <span class="special">></span><span class="special">)</span><span class="special">;</span> 52 <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_12-bb"><span class="special">~</span><span class="identifier">custom_time_zone_base</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 53 54 <span class="comment">// <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10-bb">public member functions</a></span> 55 <span class="keyword">virtual</span> <span class="identifier">string_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_1-bb"><span class="identifier">dst_zone_abbrev</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 56 <span class="keyword">virtual</span> <span class="identifier">string_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_2-bb"><span class="identifier">std_zone_abbrev</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 57 <span class="keyword">virtual</span> <span class="identifier">string_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_3-bb"><span class="identifier">dst_zone_name</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 58 <span class="keyword">virtual</span> <span class="identifier">string_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_4-bb"><span class="identifier">std_zone_name</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 59 <span class="keyword">virtual</span> <span class="keyword">bool</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_5-bb"><span class="identifier">has_dst</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 60 <span class="keyword">virtual</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_6-bb"><span class="identifier">dst_local_start_time</span></a><span class="special">(</span><span class="identifier">gregorian</span><span class="special">::</span><span class="identifier">greg_year</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 61 <span class="keyword">virtual</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_7-bb"><span class="identifier">dst_local_end_time</span></a><span class="special">(</span><span class="identifier">gregorian</span><span class="special">::</span><span class="identifier">greg_year</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 62 <span class="keyword">virtual</span> <span class="identifier">time_duration_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_8-bb"><span class="identifier">base_utc_offset</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 63 <span class="keyword">virtual</span> <span class="identifier">time_duration_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_9-bb"><span class="identifier">dst_offset</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 64 <span class="keyword">virtual</span> <span class="identifier">string_type</span> <a class="link" href="custom_time_zone_base.html#id-1_3_14_15_6_3_1_1_1_10_10-bb"><span class="identifier">to_posix_string</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 65<span class="special">}</span><span class="special">;</span></pre></div> 66<div class="refsect1"> 67<a name="id-1.3.14.15.6.3.3.4"></a><h2>Description</h2> 68<div class="refsect2"> 69<a name="id-1.3.14.15.6.3.3.4.2"></a><h3> 70<a name="boost.local_time.custom_time_zone_baseconstruct-copy-destruct"></a><code class="computeroutput">custom_time_zone_base</code> 71 public 72 construct/copy/destruct</h3> 73<div class="orderedlist"><ol class="orderedlist" type="1"> 74<li class="listitem"><pre class="literallayout"><a name="id-1_3_14_15_6_3_1_1_1_11-bb"></a><span class="identifier">custom_time_zone_base</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_zone_names</span> <span class="special">&</span> zone_names<span class="special">,</span> 75 <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&</span> utc_offset<span class="special">,</span> 76 <span class="keyword">const</span> <span class="identifier">dst_adjustment_offsets</span> <span class="special">&</span> dst_shift<span class="special">,</span> 77 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special"><</span> <span class="identifier">dst_calc_rule</span> <span class="special">></span> calc_rule<span class="special">)</span><span class="special">;</span></pre></li> 78<li class="listitem"><pre class="literallayout"><a name="id-1_3_14_15_6_3_1_1_1_12-bb"></a><span class="special">~</span><span class="identifier">custom_time_zone_base</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 79</ol></div> 80</div> 81<div class="refsect2"> 82<a name="id-1.3.14.15.6.3.3.4.3"></a><h3> 83<a name="id-1_3_14_15_6_3_1_1_1_10-bb"></a><code class="computeroutput">custom_time_zone_base</code> public member functions</h3> 84<div class="orderedlist"><ol class="orderedlist" type="1"> 85<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_1-bb"></a><span class="identifier">dst_zone_abbrev</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 86<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_2-bb"></a><span class="identifier">std_zone_abbrev</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 87<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_3-bb"></a><span class="identifier">dst_zone_name</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 88<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_4-bb"></a><span class="identifier">std_zone_name</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 89<li class="listitem"> 90<pre class="literallayout"><span class="keyword">virtual</span> <span class="keyword">bool</span> <a name="id-1_3_14_15_6_3_1_1_1_10_5-bb"></a><span class="identifier">has_dst</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>True if zone uses daylight savings adjustments. </li> 91<li class="listitem"> 92<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span> <a name="id-1_3_14_15_6_3_1_1_1_10_6-bb"></a><span class="identifier">dst_local_start_time</span><span class="special">(</span><span class="identifier">gregorian</span><span class="special">::</span><span class="identifier">greg_year</span> y<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Local time that DST starts – NADT if has_dst is false. </li> 93<li class="listitem"> 94<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">ptime</span> <a name="id-1_3_14_15_6_3_1_1_1_10_7-bb"></a><span class="identifier">dst_local_end_time</span><span class="special">(</span><span class="identifier">gregorian</span><span class="special">::</span><span class="identifier">greg_year</span> y<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Local time that DST ends – NADT if has_dst is false. </li> 95<li class="listitem"> 96<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">time_duration_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_8-bb"></a><span class="identifier">base_utc_offset</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Base offset from UTC for zone (eg: -07:30:00) </li> 97<li class="listitem"> 98<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">time_duration_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_9-bb"></a><span class="identifier">dst_offset</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Adjustment forward or back made while DST is in effect. </li> 99<li class="listitem"> 100<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_14_15_6_3_1_1_1_10_10-bb"></a><span class="identifier">to_posix_string</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns a POSIX time_zone string for this object. </li> 101</ol></div> 102</div> 103</div> 104</div> 105<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 106<td align="left"></td> 107<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 108 <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> 109</div></td> 110</tr></table> 111<hr> 112<div class="spirit-nav"> 113<a accesskey="p" href="../serialization/load_1_3_14_15_5_16_1_1_11.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.local_time.custom_time_zone_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="operat_1_3_14_15_6_4_2_1_1.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 114</div> 115</body> 116</html> 117
