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<h2><span class="refentrytitle">Class template date_facet</span></h2>
<p>boost::date_time::date_facet</p>
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<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: &lt;<a class="link" href="../../date_time/doxy.html#header.boost.date_time.date_facet_hpp" title="Header &lt;boost/date_time/date_facet.hpp&gt;">boost/date_time/date_facet.hpp</a>&gt;
</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> date_type<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">&lt;</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">&lt;</span><span class="identifier">CharT</span><span class="special">&gt;</span> <span class="special">&gt;</span> <span class="special">&gt;</span>
<span class="keyword">class</span> <a class="link" href="date_facet.html" title="Class template date_facet">date_facet</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">facet</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">duration_type</span> <a name="boost.date_time.date_facet.duration_type"></a><span class="identifier">duration_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">day_of_week_type</span> <a name="boost.date_time.date_facet.day_of_week_type"></a><span class="identifier">day_of_week_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">day_type</span> <a name="boost.date_time.date_facet.day_type"></a><span class="identifier">day_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">month_type</span> <a name="boost.date_time.date_facet.month_type"></a><span class="identifier">month_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="period.html" title="Class template period">boost::date_time::period</a><span class="special">&lt;</span> <span class="identifier">date_type</span><span class="special">,</span> <span class="identifier">duration_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.period_type"></a><span class="identifier">period_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.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.date_facet.char_type"></a><span class="identifier">char_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="period_formatter.html" title="Class template period_formatter">boost::date_time::period_formatter</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.period_formatter_type"></a><span class="identifier">period_formatter_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="special_values_formatter.html" title="Class template special_values_formatter">boost::date_time::special_values_formatter</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.special_values_formatte_id654441"></a><span class="identifier">special_values_formatter_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">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.input_collection_type"></a><span class="identifier">input_collection_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="date_generator_formatter.html" title="Class template date_generator_formatter">date_generator_formatter</a><span class="special">&lt;</span> <span class="identifier">date_type</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.date_gen_formatter_type"></a><span class="identifier">date_gen_formatter_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="partial_date.html" title="Class template partial_date">partial_date</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.partial_date_type"></a><span class="identifier">partial_date_type</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">nth_kday_of_month</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.nth_kday_type"></a><span class="identifier">nth_kday_type</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">first_kday_of_month</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.first_kday_type"></a><span class="identifier">first_kday_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">last_kday_of_month</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.last_kday_type"></a><span class="identifier">last_kday_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="first_kday_after.html" title="Class template first_kday_after">first_kday_after</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.kday_after_type"></a><span class="identifier">kday_after_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <a class="link" href="first_kday_before.html" title="Class template first_kday_before">first_kday_before</a><span class="special">&lt;</span> <span class="identifier">date_type</span> <span class="special">&gt;</span> <a name="boost.date_time.date_facet.kday_before_type"></a><span class="identifier">kday_before_type</span><span class="special">;</span>
<span class="comment">// <a class="link" href="date_facet.html#boost.date_time.date_facetconstruct-copy-destruct">construct/copy/destruct</a></span>
<span class="keyword">explicit</span> <a class="link" href="date_facet.html#id655171-bb"><span class="identifier">date_facet</span></a><span class="special">(</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">explicit</span> <a class="link" href="date_facet.html#id655182-bb"><span class="identifier">date_facet</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">,</span>
<span class="special">::</span><span class="identifier">size_t</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">explicit</span> <a class="link" href="date_facet.html#id655205-bb"><span class="identifier">date_facet</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.period_formatter_type">period_formatter_type</a> <span class="special">=</span> <a class="link" href="period_formatter.html" title="Class template period_formatter">period_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.special_values_formatte_id654441">special_values_formatter_type</a> <span class="special">=</span> <a class="link" href="special_values_formatter.html" title="Class template special_values_formatter">special_values_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.date_gen_formatter_type">date_gen_formatter_type</a> <span class="special">=</span> <a class="link" href="date_generator_formatter.html" title="Class template date_generator_formatter">date_gen_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<span class="special">::</span><span class="identifier">size_t</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="date_facet.html#id654594-bb">public member functions</a></span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">locale</span><span class="special">::</span><span class="identifier">id</span> <span class="special">&amp;</span> <a class="link" href="date_facet.html#id654598-bb"><span class="identifier">__get_id</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654611-bb"><span class="identifier">format</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">void</span> <a class="link" href="date_facet.html#id654625-bb"><span class="identifier">set_iso_format</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654633-bb"><span class="identifier">set_iso_extended_format</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654641-bb"><span class="identifier">month_format</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">void</span> <a class="link" href="date_facet.html#id654654-bb"><span class="identifier">weekday_format</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">void</span> <a class="link" href="date_facet.html#id654668-bb"><span class="identifier">period_formatter</span></a><span class="special">(</span><a class="link" href="date_facet.html#boost.date_time.date_facet.period_formatter_type">period_formatter_type</a><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654683-bb"><span class="identifier">special_values_formatter</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.special_values_formatte_id654441">special_values_formatter_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654700-bb"><span class="identifier">short_weekday_names</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654714-bb"><span class="identifier">long_weekday_names</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654728-bb"><span class="identifier">short_month_names</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654742-bb"><span class="identifier">long_month_names</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="date_facet.html#id654756-bb"><span class="identifier">date_gen_phrase_strings</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">date_gen_formatter_type</span><span class="special">::</span><span class="identifier">phrase_elements</span> <span class="special">=</span> <span class="identifier">date_gen_formatter_type</span><span class="special">::</span><span class="identifier">first</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654779-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654809-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">duration_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654840-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">month_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654870-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">day_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654903-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">day_of_week_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654933-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.period_type">period_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id654967-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.partial_date_type">partial_date_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655001-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.nth_kday_type">nth_kday_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655035-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.first_kday_type">first_kday_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655069-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.last_kday_type">last_kday_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655103-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.kday_before_type">kday_before_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655137-bb"><span class="identifier">put</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.kday_after_type">kday_after_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="comment">// <a class="link" href="date_facet.html#id655266-bb">protected member functions</a></span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655270-bb"><span class="identifier">do_put_special</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</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="keyword">const</span><span class="special">;</span>
<span class="identifier">OutItrT</span> <a class="link" href="date_facet.html#id655300-bb"><span class="identifier">do_put_tm</span></a><span class="special">(</span><span class="identifier">OutItrT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">tm</span> <span class="special">&amp;</span><span class="special">,</span>
<span class="identifier">string_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="comment">// public data members</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">long_weekday_format</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">short_weekday_format</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">long_month_format</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">short_month_format</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">default_period_separator</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">standard_format_specifier</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">iso_format_specifier</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">iso_format_extended_specifier</span><span class="special">;</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">default_date_format</span><span class="special">;</span>
<span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">locale</span><span class="special">::</span><span class="identifier">id</span> <span class="identifier">id</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id1172097"></a><h2>Description</h2>
<p>Class that provides format based I/O facet for date types.</p>
<p>This class allows the formatting of dates by using format string. Format strings are:</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>A =&gt; long_weekday_format - Full name Ex: Tuesday</p></li>
<li class="listitem"><p>a =&gt; short_weekday_format - Three letter abbreviation Ex: Tue</p></li>
<li class="listitem"><p>B =&gt; long_month_format - Full name Ex: October</p></li>
<li class="listitem"><p>b =&gt; short_month_format - Three letter abbreviation Ex: Oct</p></li>
<li class="listitem"><p>x =&gt; standard_format_specifier - defined by the locale</p></li>
<li class="listitem"><p>Y-b-d =&gt; default_date_format - YYYY-Mon-dd</p></li>
</ul></div>
<p>
</p>
<p>Default month format == b Default weekday format == a </p>
<div class="refsect2">
<a name="id1172148"></a><h3>
<a name="boost.date_time.date_facetconstruct-copy-destruct"></a><code class="computeroutput">date_facet</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="id655171-bb"></a><span class="identifier">date_facet</span><span class="special">(</span><span class="special">::</span><span class="identifier">size_t</span> a_ref <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="id655182-bb"></a><span class="identifier">date_facet</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> format_str<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> short_names<span class="special">,</span>
<span class="special">::</span><span class="identifier">size_t</span> ref_count <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="id655205-bb"></a><span class="identifier">date_facet</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> format_str<span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.period_formatter_type">period_formatter_type</a> per_formatter <span class="special">=</span> <a class="link" href="period_formatter.html" title="Class template period_formatter">period_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.special_values_formatte_id654441">special_values_formatter_type</a> sv_formatter <span class="special">=</span> <a class="link" href="special_values_formatter.html" title="Class template special_values_formatter">special_values_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<a class="link" href="date_facet.html#boost.date_time.date_facet.date_gen_formatter_type">date_gen_formatter_type</a> dg_formatter <span class="special">=</span> <a class="link" href="date_generator_formatter.html" title="Class template date_generator_formatter">date_gen_formatter_type</a><span class="special">(</span><span class="special">)</span><span class="special">,</span>
<span class="special">::</span><span class="identifier">size_t</span> ref_count <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="id1172502"></a><h3>
<a name="id654594-bb"></a><code class="computeroutput">date_facet</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">locale</span><span class="special">::</span><span class="identifier">id</span> <span class="special">&amp;</span> <a name="id654598-bb"></a><span class="identifier">__get_id</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654611-bb"></a><span class="identifier">format</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> format_str<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654625-bb"></a><span class="identifier">set_iso_format</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654633-bb"></a><span class="identifier">set_iso_extended_format</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654641-bb"></a><span class="identifier">month_format</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> format_str<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654654-bb"></a><span class="identifier">weekday_format</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> format_str<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654668-bb"></a><span class="identifier">period_formatter</span><span class="special">(</span><a class="link" href="date_facet.html#boost.date_time.date_facet.period_formatter_type">period_formatter_type</a> per_formatter<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654683-bb"></a><span class="identifier">special_values_formatter</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.special_values_formatte_id654441">special_values_formatter_type</a> <span class="special">&amp;</span> svf<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654700-bb"></a><span class="identifier">short_weekday_names</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> short_names<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654714-bb"></a><span class="identifier">long_weekday_names</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> long_names<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654728-bb"></a><span class="identifier">short_month_names</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> short_names<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654742-bb"></a><span class="identifier">long_month_names</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> long_names<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id654756-bb"></a><span class="identifier">date_gen_phrase_strings</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">input_collection_type</span> <span class="special">&amp;</span> new_strings<span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">date_gen_formatter_type</span><span class="special">::</span><span class="identifier">phrase_elements</span> beg_pos <span class="special">=</span> <span class="identifier">date_gen_formatter_type</span><span class="special">::</span><span class="identifier">first</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654779-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span> d<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654809-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">duration_type</span> <span class="special">&amp;</span> dd<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654840-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">month_type</span> <span class="special">&amp;</span> m<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654870-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">day_type</span> <span class="special">&amp;</span> day<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>puts the day of month </li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654903-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">day_of_week_type</span> <span class="special">&amp;</span> dow<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654933-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.period_type">period_type</a> <span class="special">&amp;</span> p<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id654967-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.partial_date_type">partial_date_type</a> <span class="special">&amp;</span> pd<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655001-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.nth_kday_type">nth_kday_type</a> <span class="special">&amp;</span> nkd<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655035-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.first_kday_type">first_kday_type</a> <span class="special">&amp;</span> fkd<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655069-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.last_kday_type">last_kday_type</a> <span class="special">&amp;</span> lkd<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655103-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.kday_before_type">kday_before_type</a> <span class="special">&amp;</span> fkb<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655137-bb"></a><span class="identifier">put</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="date_facet.html#boost.date_time.date_facet.kday_after_type">kday_after_type</a> <span class="special">&amp;</span> fka<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="id1174508"></a><h3>
<a name="id655266-bb"></a><code class="computeroutput">date_facet</code> protected member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655270-bb"></a><span class="identifier">do_put_special</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">char_type</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> sv<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">OutItrT</span> <a name="id655300-bb"></a><span class="identifier">do_put_tm</span><span class="special">(</span><span class="identifier">OutItrT</span> next<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span> <span class="special">&amp;</span> a_ios<span class="special">,</span> <span class="identifier">char_type</span> fill_char<span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">tm</span> <span class="special">&amp;</span> tm_value<span class="special">,</span> <span class="identifier">string_type</span> a_format<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
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<td align="right"><div class="copyright-footer">Copyright &#169; 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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