libs/log/doc/html/boost/log/expressions/attribute_matches.html


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<title>Class template attribute_matches</title>
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<a name="boost.log.expressions.attribute_matches"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template attribute_matches</span></h2>
<p>boost::log::expressions::attribute_matches</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: &lt;<a class="link" href="../../../expressions.html#header.boost.log.expressions.predicates.matches_hpp" title="Header &lt;boost/log/expressions/predicates/matches.hpp&gt;">boost/log/expressions/predicates/matches.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">,</span> 
         <span class="keyword">typename</span> FallbackPolicyT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="attribute_matches.html" title="Class template attribute_matches">attribute_matches</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// <a class="link" href="attribute_matches.html#boost.log.expressions.attribute_matchesconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="attribute_matches.html#idp36887888-bb"><span class="identifier">attribute_matches</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> 
    <a class="link" href="attribute_matches.html#idp36891152-bb"><span class="identifier">attribute_matches</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">U</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp101881744"></a><h2>Description</h2>
<p>The predicate checks if the attribute value matches a regular expression. The attribute value is assumed to be of a string type. </p>
<div class="refsect2">
<a name="idp101882560"></a><h3>
<a name="boost.log.expressions.attribute_matchesconstruct-copy-destruct"></a><code class="computeroutput">attribute_matches</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="idp36887888-bb"></a><span class="identifier">attribute_matches</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span> rex<span class="special">)</span><span class="special">;</span></pre>
<p>Initializing constructor</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">name</code></span></p></td>
<td><p>Attribute name </p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">rex</code></span></p></td>
<td><p>The regular expression to match the attribute value against </p></td>
</tr>
</tbody>
</table></div></td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> 
  <a name="idp36891152-bb"></a><span class="identifier">attribute_matches</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span> rex<span class="special">,</span> 
                    <span class="identifier">U</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>Initializing constructor</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">arg</code></span></p></td>
<td><p>Additional parameter for the fallback policy </p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">name</code></span></p></td>
<td><p>Attribute name </p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">rex</code></span></p></td>
<td><p>The regular expression to match the attribute value against </p></td>
</tr>
</tbody>
</table></div></td>
</tr></tbody>
</table></div>
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</ol></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2007-2014 Andrey Semashev<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>).
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