<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Class template date_itr_base</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <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.date_iterator_hpp" title="Header <boost/date_time/date_iterator.hpp>"> <link rel="prev" href="date_itr.html" title="Class template date_itr"> <link rel="next" href="all_date_names_put.html" title="Class template all_date_names_put"> </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" 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class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Class template date_itr_base</span></h2> <p>boost::date_time::date_itr_base — Base date iterator type. </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_iterator_hpp" title="Header <boost/date_time/date_iterator.hpp>">boost/date_time/date_iterator.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="date_itr_base.html" title="Class template date_itr_base">date_itr_base</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">date_type</span><span class="special">::</span><span class="identifier">duration_type</span> <a name="boost.date_time.date_itr_base.duration_type"></a><span class="identifier">duration_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">date_type</span> <a name="boost.date_time.date_itr_base.value_type"></a><span class="identifier">value_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">input_iterator_tag</span> <a name="boost.date_time.date_itr_base.iterator_category"></a><span class="identifier">iterator_category</span><span class="special">;</span> <span class="comment">// <a class="link" href="date_itr_base.html#boost.date_time.date_itr_baseconstruct-copy-destruct">construct/copy/destruct</a></span> <a class="link" href="date_itr_base.html#idm45507128919440-bb"><span class="identifier">date_itr_base</span></a><span class="special">(</span><span class="identifier">date_type</span><span class="special">)</span><span class="special">;</span> <a class="link" href="date_itr_base.html#idm45507128918464-bb"><span class="special">~</span><span class="identifier">date_itr_base</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="date_itr_base.html#idm45507098596592-bb">public member functions</a></span> <a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a class="link" href="date_itr_base.html#idm45507098596032-bb"><span class="keyword">operator</span><span class="special">++</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a class="link" href="date_itr_base.html#idm45507170979632-bb"><span class="keyword">operator</span><span class="special">--</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a class="link" href="date_itr_base.html#idm45507170978496-bb"><span class="identifier">get_offset</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="special">=</span> <span class="number">0</span><span class="special">;</span> <span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a class="link" href="date_itr_base.html#idm45507110169888-bb"><span class="identifier">get_neg_offset</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="special">=</span> <span class="number">0</span><span class="special">;</span> <span class="identifier">date_type</span> <a class="link" href="date_itr_base.html#idm45507107201440-bb"><span class="keyword">operator</span><span class="special">*</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="identifier">date_type</span> <span class="special">*</span> <a class="link" href="date_itr_base.html#idm45507107200592-bb"><span class="keyword">operator</span><span class="special">-></span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507107199744-bb"><span class="keyword">operator</span><span class="special"><</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="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507137571472-bb"><span class="keyword">operator</span><span class="special"><=</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="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507095696784-bb"><span class="keyword">operator</span><span class="special">></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="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507131025744-bb"><span class="keyword">operator</span><span class="special">>=</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="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507135898896-bb"><span class="keyword">operator</span><span class="special">==</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="special">;</span> <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#idm45507157543072-bb"><span class="keyword">operator</span><span class="special">!=</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="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="idm45555372536640"></a><h2>Description</h2> <p>This class provides the skeleton for the creation of iterators. New and interesting interators can be created by plugging in a new function that derives the next value from the current state. generation of various types of -based information.</p> <p><span class="bold"><strong>Template Parameters</strong></span></p> <p><span class="bold"><strong>date_type</strong></span></p> <p>The date_type is a concrete date_type. The date_type must define a duration_type and a calendar_type. </p> <div class="refsect2"> <a name="idm45555372533968"></a><h3> <a name="boost.date_time.date_itr_baseconstruct-copy-destruct"></a><code class="computeroutput">date_itr_base</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"><pre class="literallayout"><a name="idm45507128919440-bb"></a><span class="identifier">date_itr_base</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"><a name="idm45507128918464-bb"></a><span class="special">~</span><span class="identifier">date_itr_base</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> </ol></div> </div> <div class="refsect2"> <a name="idm45555372523248"></a><h3> <a name="idm45507098596592-bb"></a><code class="computeroutput">date_itr_base</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"><pre class="literallayout"><a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a name="idm45507098596032-bb"></a><span class="keyword">operator</span><span class="special">++</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a name="idm45507170979632-bb"></a><span class="keyword">operator</span><span class="special">--</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a name="idm45507170978496-bb"></a><span class="identifier">get_offset</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> current<span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a name="idm45507110169888-bb"></a><span class="identifier">get_neg_offset</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> current<span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="identifier">date_type</span> <a name="idm45507107201440-bb"></a><span class="keyword">operator</span><span class="special">*</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="identifier">date_type</span> <span class="special">*</span> <a name="idm45507107200592-bb"></a><span class="keyword">operator</span><span class="special">-></span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507107199744-bb"></a><span class="keyword">operator</span><span class="special"><</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="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507137571472-bb"></a><span class="keyword">operator</span><span class="special"><=</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="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507095696784-bb"></a><span class="keyword">operator</span><span class="special">></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="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507131025744-bb"></a><span class="keyword">operator</span><span class="special">>=</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="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507135898896-bb"></a><span class="keyword">operator</span><span class="special">==</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="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm45507157543072-bb"></a><span class="keyword">operator</span><span class="special">!=</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="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="date_itr.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.date_iterator_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="all_date_names_put.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>