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| <a name="boost.date_time.partial_date"></a><div class="titlepage"></div> |
| <div class="refnamediv"> |
| <h2><span class="refentrytitle">Class template partial_date</span></h2> |
| <p>boost::date_time::partial_date — Generates a date by applying the year to the given month and day. </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.date_generators_hpp" title="Header <boost/date_time/date_generators.hpp>">boost/date_time/date_generators.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">class</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a> <span class="special">:</span> |
| <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">date_time</span><span class="special">::</span><span class="identifier">year_based_generator</span><span class="special"><</span> <span class="identifier">date_type</span> <span class="special">></span> |
| <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">date_type</span><span class="special">::</span><span class="identifier">calendar_type</span> <a name="boost.date_time.partial_date.calendar_type"></a><span class="identifier">calendar_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">calendar_type</span><span class="special">::</span><span class="identifier">day_type</span> <a name="boost.date_time.partial_date.day_type"></a><span class="identifier">day_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">calendar_type</span><span class="special">::</span><span class="identifier">month_type</span> <a name="boost.date_time.partial_date.month_type"></a><span class="identifier">month_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">calendar_type</span><span class="special">::</span><span class="identifier">year_type</span> <a name="boost.date_time.partial_date.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">duration_type</span> <a name="boost.date_time.partial_date.duration_type"></a><span class="identifier">duration_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">duration_type</span><span class="special">::</span><span class="identifier">duration_rep</span> <a name="boost.date_time.partial_date.duration_rep"></a><span class="identifier">duration_rep</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="partial_date.html#boost.date_time.partial_dateconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <a class="link" href="partial_date.html#id380664-bb"><span class="identifier">partial_date</span></a><span class="special">(</span><span class="identifier">day_type</span><span class="special">,</span> <span class="identifier">month_type</span><span class="special">)</span><span class="special">;</span> |
| <a class="link" href="partial_date.html#id402645-bb"><span class="identifier">partial_date</span></a><span class="special">(</span><span class="identifier">duration_rep</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="partial_date.html#id393705-bb">public member functions</a></span> |
| <span class="identifier">date_type</span> <a class="link" href="partial_date.html#id393709-bb"><span class="identifier">get_date</span></a><span class="special">(</span><span class="identifier">year_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="identifier">date_type</span> <a class="link" href="partial_date.html#id394997-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">year_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="keyword">bool</span> <a class="link" href="partial_date.html#id336853-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="keyword">bool</span> <a class="link" href="partial_date.html#id364646-bb"><span class="keyword">operator</span><span class="special"><</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="identifier">month_type</span> <a class="link" href="partial_date.html#id364664-bb"><span class="identifier">month</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="identifier">day_type</span> <a class="link" href="partial_date.html#id364671-bb"><span class="identifier">day</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a class="link" href="partial_date.html#id380648-bb"><span class="identifier">to_string</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id1102410"></a><h2>Description</h2> |
| <p>Example usage: </p> |
| <pre class="programlisting"> <span class="identifier">partial_date</span> <span class="identifier">pd</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="identifier">Jan</span><span class="special">)</span><span class="special">;</span> |
| <span class="identifier">partial_date</span> <span class="identifier">pd2</span><span class="special">(</span><span class="number">70</span><span class="special">)</span><span class="special">;</span> |
| <span class="identifier">date</span> <span class="identifier">d</span> <span class="special">=</span> <span class="identifier">pd</span><span class="special">.</span><span class="identifier">get_date</span><span class="special">(</span><span class="number">2002</span><span class="special">)</span><span class="special">;</span> <span class="comment">//2002-Jan-01</span> |
| <span class="identifier">date</span> <span class="identifier">d2</span> <span class="special">=</span> <span class="identifier">pd2</span><span class="special">.</span><span class="identifier">get_date</span><span class="special">(</span><span class="number">2002</span><span class="special">)</span><span class="special">;</span> <span class="comment">//2002-Mar-10</span> |
| </pre> |
| <p> </p> |
| <div class="refsect2"> |
| <a name="id1102596"></a><h3> |
| <a name="boost.date_time.partial_dateconstruct-copy-destruct"></a><code class="computeroutput">partial_date</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"><pre class="literallayout"><a name="id380664-bb"></a><span class="identifier">partial_date</span><span class="special">(</span><span class="identifier">day_type</span> d<span class="special">,</span> <span class="identifier">month_type</span> m<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id402645-bb"></a><span class="identifier">partial_date</span><span class="special">(</span><span class="identifier">duration_rep</span> days<span class="special">)</span><span class="special">;</span></pre>Partial date created from number of days into year. Range 1-366. <p>Allowable values range from 1 to 366. 1=Jan1, 366=Dec31. If argument exceeds range, partial_date will be created with closest in-range value. 60 will always be Feb29, if get_date() is called with a non-leap year an exception will be thrown </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="id1102706"></a><h3> |
| <a name="id393705-bb"></a><code class="computeroutput">partial_date</code> public member functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="identifier">date_type</span> <a name="id393709-bb"></a><span class="identifier">get_date</span><span class="special">(</span><span class="identifier">year_type</span> y<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Return a concrete date when provided with a year specific year. <p>Will throw an 'invalid_argument' exception if a partial_date object, instantiated with Feb-29, has get_date called with a non-leap year. Example: </p> |
| <pre class="programlisting"> partial_date pd(29, Feb); |
| pd.get_date(2003); // throws invalid_argument exception |
| pg.get_date(2000); // returns 2000-2-29 |
| </pre> |
| <p> </p> |
| </li> |
| <li class="listitem"><pre class="literallayout"><span class="identifier">date_type</span> <a name="id394997-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">year_type</span> y<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id336853-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a> <span class="special">&</span> rhs<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id364646-bb"></a><span class="keyword">operator</span><span class="special"><</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a> <span class="special">&</span> rhs<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="identifier">month_type</span> <a name="id364664-bb"></a><span class="identifier">month</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="identifier">day_type</span> <a name="id364671-bb"></a><span class="identifier">day</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a name="id380648-bb"></a><span class="identifier">to_string</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns string suitable for use in POSIX time zone string. <p>Returns string formatted with up to 3 digits: Jan-01 == "0" Feb-29 == "58" Dec-31 == "365" </p> |
| </li> |
| </ol></div> |
| </div> |
| </div> |
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| <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> |
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