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| <h2><span class="refentrytitle">Class template special_values_formatter</span></h2> |
| <p>boost::date_time::special_values_formatter — Class that provides generic formmatting ostream formatting for special values. </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.special_values_formatter_hpp" title="Header <boost/date_time/special_values_formatter.hpp>">boost/date_time/special_values_formatter.hpp</a>> |
| |
| </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> |
| <span class="keyword">typename</span> OutItrT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostreambuf_iterator</span><span class="special"><</span><span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">char_traits</span><span class="special"><</span><span class="identifier">CharT</span><span class="special">></span> <span class="special">></span> <span class="special">></span> |
| <span class="keyword">class</span> <a class="link" href="special_values_formatter.html" title="Class template special_values_formatter">special_values_formatter</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">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <a name="boost.date_time.special_values_formatter.string_type"></a><span class="identifier">string_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.date_time.special_values_formatter.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">string_type</span> <span class="special">></span> <a name="boost.date_time.special_values_formatter.collection_type"></a><span class="identifier">collection_type</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="special_values_formatter.html#boost.date_time.special_values_formatterconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <a class="link" href="special_values_formatter.html#id406973-bb"><span class="identifier">special_values_formatter</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <a class="link" href="special_values_formatter.html#id460584-bb"><span class="identifier">special_values_formatter</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="keyword">const</span> <span class="special">*</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="keyword">const</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> |
| <a class="link" href="special_values_formatter.html#id347085-bb"><span class="identifier">special_values_formatter</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">collection_type</span><span class="special">::</span><span class="identifier">iterator</span><span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">collection_type</span><span class="special">::</span><span class="identifier">iterator</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="special_values_formatter.html#id406950-bb">public member functions</a></span> |
| <span class="identifier">OutItrT</span> <a class="link" href="special_values_formatter.html#id406954-bb"><span class="identifier">put_special</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">date_time</span><span class="special">::</span><span class="identifier">special_values</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> default_special_value_names<span class="special">;</span> <span class="comment">// Storage for the strings used to indicate special values. </span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id1159759"></a><h2>Description</h2> |
| <p>This class provides for the formmating of special values to an output stream. In particular, it produces strings for the values of negative and positive infinity as well as not_a_date_time.</p> |
| <p>While not a facet, this class is used by the date and time facets for formatting special value types. </p> |
| <div class="refsect2"> |
| <a name="id1159772"></a><h3> |
| <a name="boost.date_time.special_values_formatterconstruct-copy-destruct"></a><code class="computeroutput">special_values_formatter</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id406973-bb"></a><span class="identifier">special_values_formatter</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Construct special values formatter using default strings. <p>Default strings are not-a-date-time -infinity +infinity </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id460584-bb"></a><span class="identifier">special_values_formatter</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="keyword">const</span> <span class="special">*</span> begin<span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="keyword">const</span> <span class="special">*</span> end<span class="special">)</span><span class="special">;</span></pre>Construct special values formatter from array of strings. <p>This constructor will take pair of iterators from an array of strings that represent the special values and copy them for use in formatting special values. </p> |
| <pre class="programlisting"> const char* const special_value_names[]={"nadt","-inf","+inf" }; |
| |
| special_value_formatter svf(&special_value_names[0], &special_value_names[3]); |
| * |
| </pre> |
| <p> </p> |
| </li> |
| <li class="listitem"><pre class="literallayout"><a name="id347085-bb"></a><span class="identifier">special_values_formatter</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">collection_type</span><span class="special">::</span><span class="identifier">iterator</span> beg<span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">collection_type</span><span class="special">::</span><span class="identifier">iterator</span> end<span class="special">)</span><span class="special">;</span></pre></li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="id1160006"></a><h3> |
| <a name="id406950-bb"></a><code class="computeroutput">special_values_formatter</code> public member functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id406954-bb"></a><span class="identifier">put_special</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">date_time</span><span class="special">::</span><span class="identifier">special_values</span> <span class="special">&</span> value<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li></ol></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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