1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Class template basic_settings_section</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Chapter 1. Boost.Log v2"> 8<link rel="up" href="../../utilities.html#header.boost.log.utility.setup.settings_hpp" title="Header <boost/log/utility/setup/settings.hpp>"> 9<link rel="prev" href="basic_settings.html" title="Class template basic_settings"> 10<link rel="next" href="swap_idm46079572877200.html" title="Function template swap"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td></tr></table> 14<hr> 15<div class="spirit-nav"> 16<a accesskey="p" href="basic_settings.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../utilities.html#header.boost.log.utility.setup.settings_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="swap_idm46079572877200.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 17</div> 18<div class="refentry"> 19<a name="boost.log.basic_settings_section"></a><div class="titlepage"></div> 20<div class="refnamediv"> 21<h2><span class="refentrytitle">Class template basic_settings_section</span></h2> 22<p>boost::log::basic_settings_section — The class represents a reference to the settings container section. </p> 23</div> 24<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 25<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="../../utilities.html#header.boost.log.utility.setup.settings_hpp" title="Header <boost/log/utility/setup/settings.hpp>">boost/log/utility/setup/settings.hpp</a>> 26 27</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 28<span class="keyword">class</span> <a class="link" href="basic_settings_section.html" title="Class template basic_settings_section">basic_settings_section</a> <span class="special">{</span> 29<span class="keyword">public</span><span class="special">:</span> 30 <span class="comment">// <a class="link" href="basic_settings_section.html#boost.log.basic_settings_sectiontypes">types</a></span> 31 <span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.log.basic_settings_section.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> <span class="comment">// Character type. </span> 32 <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">char_type</span> <span class="special">></span> <a name="boost.log.basic_settings_section.string_type"></a><span class="identifier">string_type</span><span class="special">;</span> <span class="comment">// String type. </span> 33 <span class="keyword">typedef</span> <span class="identifier">property_tree</span><span class="special">::</span><span class="identifier">basic_ptree</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="special">></span> <a name="boost.log.basic_settings_section.property_tree_type"></a><span class="identifier">property_tree_type</span><span class="special">;</span> <span class="comment">// Property tree type. </span> 34 <span class="keyword">typedef</span> <span class="identifier">property_tree_type</span><span class="special">::</span><span class="identifier">path_type</span> <a name="boost.log.basic_settings_section.path_type"></a><span class="identifier">path_type</span><span class="special">;</span> <span class="comment">// Property tree path type. </span> 35 <span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a class="link" href="basic_settings_section.html#boost.log.basic_settings_section.const_reference"><span class="identifier">const_reference</span></a><span class="special">;</span> 36 <span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a class="link" href="basic_settings_section.html#boost.log.basic_settings_section.reference"><span class="identifier">reference</span></a><span class="special">;</span> 37 <span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a class="link" href="basic_settings_section.html#boost.log.basic_settings_section.const_iterator"><span class="identifier">const_iterator</span></a><span class="special">;</span> 38 <span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a class="link" href="basic_settings_section.html#boost.log.basic_settings_section.iterator"><span class="identifier">iterator</span></a><span class="special">;</span> 39 40 <span class="comment">// <a class="link" href="basic_settings_section.html#boost.log.basic_settings_sectionconstruct-copy-destruct">construct/copy/destruct</a></span> 41 <a class="link" href="basic_settings_section.html#idm46079572888272-bb"><span class="identifier">basic_settings_section</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 42 <a class="link" href="basic_settings_section.html#idm46079572887248-bb"><span class="identifier">basic_settings_section</span></a><span class="special">(</span><a class="link" href="basic_settings_section.html" title="Class template basic_settings_section">basic_settings_section</a> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 43 <span class="keyword">explicit</span> <a class="link" href="basic_settings_section.html#idm46079572884560-bb"><span class="identifier">basic_settings_section</span></a><span class="special">(</span><span class="identifier">property_tree_type</span> <span class="special">*</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 44 45 <span class="comment">// <a class="link" href="basic_settings_section.html#idm46079572932496-bb">public member functions</a></span> 46 <span class="keyword">explicit</span> <a class="link" href="basic_settings_section.html#idm46079572931936-bb"><span class="keyword">operator</span> <span class="keyword">bool</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 47 <span class="keyword">bool</span> <a class="link" href="basic_settings_section.html#idm46079572930096-bb"><span class="keyword">operator</span><span class="special">!</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 48 <span class="identifier">iterator</span> <a class="link" href="basic_settings_section.html#idm46079572928528-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 49 <span class="identifier">iterator</span> <a class="link" href="basic_settings_section.html#idm46079572927216-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 50 <span class="identifier">const_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572925904-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 51 <span class="identifier">const_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572924320-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 52 <span class="identifier">reverse_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572922736-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 53 <span class="identifier">reverse_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572921424-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 54 <span class="identifier">const_reverse_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572920112-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 55 <span class="identifier">const_reverse_iterator</span> <a class="link" href="basic_settings_section.html#idm46079572918528-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 56 <span class="keyword">bool</span> <a class="link" href="basic_settings_section.html#idm46079572916944-bb"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 57 <span class="identifier">reference</span> <a class="link" href="basic_settings_section.html#idm46079572915344-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 58 <span class="identifier">const_reference</span> <a class="link" href="basic_settings_section.html#idm46079572911888-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 59 <span class="identifier">reference</span> <a class="link" href="basic_settings_section.html#idm46079572908160-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 60 <span class="identifier">const_reference</span> <a class="link" href="basic_settings_section.html#idm46079572904704-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 61 <span class="identifier">property_tree_type</span> <span class="keyword">const</span> <span class="special">&</span> <a class="link" href="basic_settings_section.html#idm46079572900976-bb"><span class="identifier">property_tree</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 62 <span class="identifier">property_tree_type</span> <span class="special">&</span> <a class="link" href="basic_settings_section.html#idm46079572899392-bb"><span class="identifier">property_tree</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 63 <span class="keyword">bool</span> <a class="link" href="basic_settings_section.html#idm46079572898096-bb"><span class="identifier">has_section</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 64 <span class="keyword">bool</span> <a class="link" href="basic_settings_section.html#idm46079572895104-bb"><span class="identifier">has_parameter</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 65 <span class="keyword">void</span> <a class="link" href="basic_settings_section.html#idm46079572890976-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="basic_settings_section.html" title="Class template basic_settings_section">basic_settings_section</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 66<span class="special">}</span><span class="special">;</span></pre></div> 67<div class="refsect1"> 68<a name="idm44984849896432"></a><h2>Description</h2> 69<p>The section refers to a sub-tree of the library settings container. It does not own the referred sub-tree but allows for convenient access to parameters within the subsection. </p> 70<div class="refsect2"> 71<a name="idm44984849895568"></a><h3> 72<a name="boost.log.basic_settings_sectiontypes"></a><code class="computeroutput">basic_settings_section</code> 73 public 74 types</h3> 75<div class="orderedlist"><ol class="orderedlist" type="1"> 76<li class="listitem"> 77<p> 78<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="boost.log.basic_settings_section.const_reference"></a><span class="identifier">const_reference</span><span class="special">;</span></p> 79<p>Constant reference to the parameter value </p> 80</li> 81<li class="listitem"> 82<p> 83<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="boost.log.basic_settings_section.reference"></a><span class="identifier">reference</span><span class="special">;</span></p> 84<p>Mutable reference to the parameter value </p> 85</li> 86<li class="listitem"> 87<p> 88<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="boost.log.basic_settings_section.const_iterator"></a><span class="identifier">const_iterator</span><span class="special">;</span></p> 89<p>Constant iterator over nested parameters and subsections </p> 90</li> 91<li class="listitem"> 92<p> 93<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="boost.log.basic_settings_section.iterator"></a><span class="identifier">iterator</span><span class="special">;</span></p> 94<p>Mutable iterator over nested parameters and subsections </p> 95</li> 96</ol></div> 97</div> 98<div class="refsect2"> 99<a name="idm44984849878288"></a><h3> 100<a name="boost.log.basic_settings_sectionconstruct-copy-destruct"></a><code class="computeroutput">basic_settings_section</code> 101 public 102 construct/copy/destruct</h3> 103<div class="orderedlist"><ol class="orderedlist" type="1"> 104<li class="listitem"> 105<pre class="literallayout"><a name="idm46079572888272-bb"></a><span class="identifier">basic_settings_section</span><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 106<p>Default constructor. Creates an empty settings container. </p> 107</li> 108<li class="listitem"> 109<pre class="literallayout"><a name="idm46079572887248-bb"></a><span class="identifier">basic_settings_section</span><span class="special">(</span><a class="link" href="basic_settings_section.html" title="Class template basic_settings_section">basic_settings_section</a> <span class="keyword">const</span> <span class="special">&</span> that<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 110<p>Copy constructor. </p> 111</li> 112<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm46079572884560-bb"></a><span class="identifier">basic_settings_section</span><span class="special">(</span><span class="identifier">property_tree_type</span> <span class="special">*</span> tree<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 113</ol></div> 114</div> 115<div class="refsect2"> 116<a name="idm44984849858176"></a><h3> 117<a name="idm46079572932496-bb"></a><code class="computeroutput">basic_settings_section</code> public member functions</h3> 118<div class="orderedlist"><ol class="orderedlist" type="1"> 119<li class="listitem"> 120<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm46079572931936-bb"></a><span class="keyword">operator</span> <span class="keyword">bool</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 121<p>Checks if the section refers to the container. </p> 122</li> 123<li class="listitem"> 124<pre class="literallayout"><span class="keyword">bool</span> <a name="idm46079572930096-bb"></a><span class="keyword">operator</span><span class="special">!</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 125<p>Checks if the section refers to the container. </p> 126</li> 127<li class="listitem"> 128<pre class="literallayout"><span class="identifier">iterator</span> <a name="idm46079572928528-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 129<p>Returns an iterator over the nested subsections and parameters. </p> 130</li> 131<li class="listitem"> 132<pre class="literallayout"><span class="identifier">iterator</span> <a name="idm46079572927216-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 133<p>Returns an iterator over the nested subsections and parameters. </p> 134</li> 135<li class="listitem"> 136<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46079572925904-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 137<p>Returns an iterator over the nested subsections and parameters. </p> 138</li> 139<li class="listitem"> 140<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46079572924320-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 141<p>Returns an iterator over the nested subsections and parameters. </p> 142</li> 143<li class="listitem"> 144<pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idm46079572922736-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 145<p>Returns a reverse iterator over the nested subsections and parameters. </p> 146</li> 147<li class="listitem"> 148<pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idm46079572921424-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 149<p>Returns a reverse iterator over the nested subsections and parameters. </p> 150</li> 151<li class="listitem"> 152<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm46079572920112-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 153<p>Returns a reverse iterator over the nested subsections and parameters. </p> 154</li> 155<li class="listitem"> 156<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm46079572918528-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 157<p>Returns a reverse iterator over the nested subsections and parameters. </p> 158</li> 159<li class="listitem"> 160<pre class="literallayout"><span class="keyword">bool</span> <a name="idm46079572916944-bb"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 161<p>Checks if the container is empty (i.e. contains no sections and parameters). </p> 162</li> 163<li class="listitem"> 164<pre class="literallayout"><span class="identifier">reference</span> <a name="idm46079572915344-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span> <span class="special">&</span> section_name<span class="special">)</span><span class="special">;</span></pre> 165<p>Accessor to a single parameter. This operator should be used in conjunction with the subsequent subscript operator that designates the parameter name.</p> 166<p> 167 168</p> 169<div class="variablelist"><table border="0" class="variablelist compact"> 170<colgroup> 171<col align="left" valign="top"> 172<col> 173</colgroup> 174<tbody> 175<tr> 176<td><p><span class="term">Parameters:</span></p></td> 177<td><div class="variablelist"><table border="0" class="variablelist compact"> 178<colgroup> 179<col align="left" valign="top"> 180<col> 181</colgroup> 182<tbody><tr> 183<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 184<td><p>The name of the section in which the parameter resides </p></td> 185</tr></tbody> 186</table></div></td> 187</tr> 188<tr> 189<td><p><span class="term">Returns:</span></p></td> 190<td><p>An unspecified reference type that can be used for parameter name specifying </p></td> 191</tr> 192</tbody> 193</table></div> 194</li> 195<li class="listitem"> 196<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm46079572911888-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span> <span class="special">&</span> section_name<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 197<p>Accessor to a single parameter. This operator should be used in conjunction with the subsequent subscript operator that designates the parameter name.</p> 198<p> 199 200</p> 201<div class="variablelist"><table border="0" class="variablelist compact"> 202<colgroup> 203<col align="left" valign="top"> 204<col> 205</colgroup> 206<tbody> 207<tr> 208<td><p><span class="term">Parameters:</span></p></td> 209<td><div class="variablelist"><table border="0" class="variablelist compact"> 210<colgroup> 211<col align="left" valign="top"> 212<col> 213</colgroup> 214<tbody><tr> 215<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 216<td><p>The name of the section in which the parameter resides </p></td> 217</tr></tbody> 218</table></div></td> 219</tr> 220<tr> 221<td><p><span class="term">Returns:</span></p></td> 222<td><p>An unspecified reference type that can be used for parameter name specifying </p></td> 223</tr> 224</tbody> 225</table></div> 226</li> 227<li class="listitem"> 228<pre class="literallayout"><span class="identifier">reference</span> <a name="idm46079572908160-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> section_name<span class="special">)</span><span class="special">;</span></pre> 229<p>Accessor to a single parameter. This operator should be used in conjunction with the subsequent subscript operator that designates the parameter name.</p> 230<p> 231 232</p> 233<div class="variablelist"><table border="0" class="variablelist compact"> 234<colgroup> 235<col align="left" valign="top"> 236<col> 237</colgroup> 238<tbody> 239<tr> 240<td><p><span class="term">Parameters:</span></p></td> 241<td><div class="variablelist"><table border="0" class="variablelist compact"> 242<colgroup> 243<col align="left" valign="top"> 244<col> 245</colgroup> 246<tbody><tr> 247<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 248<td><p>The name of the section in which the parameter resides </p></td> 249</tr></tbody> 250</table></div></td> 251</tr> 252<tr> 253<td><p><span class="term">Returns:</span></p></td> 254<td><p>An unspecified reference type that can be used for parameter name specifying </p></td> 255</tr> 256</tbody> 257</table></div> 258</li> 259<li class="listitem"> 260<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm46079572904704-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> section_name<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 261<p>Accessor to a single parameter. This operator should be used in conjunction with the subsequent subscript operator that designates the parameter name.</p> 262<p> 263 264</p> 265<div class="variablelist"><table border="0" class="variablelist compact"> 266<colgroup> 267<col align="left" valign="top"> 268<col> 269</colgroup> 270<tbody> 271<tr> 272<td><p><span class="term">Parameters:</span></p></td> 273<td><div class="variablelist"><table border="0" class="variablelist compact"> 274<colgroup> 275<col align="left" valign="top"> 276<col> 277</colgroup> 278<tbody><tr> 279<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 280<td><p>The name of the section in which the parameter resides </p></td> 281</tr></tbody> 282</table></div></td> 283</tr> 284<tr> 285<td><p><span class="term">Returns:</span></p></td> 286<td><p>An unspecified reference type that can be used for parameter name specifying </p></td> 287</tr> 288</tbody> 289</table></div> 290</li> 291<li class="listitem"> 292<pre class="literallayout"><span class="identifier">property_tree_type</span> <span class="keyword">const</span> <span class="special">&</span> <a name="idm46079572900976-bb"></a><span class="identifier">property_tree</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 293<p>Accessor for the embedded property tree </p> 294</li> 295<li class="listitem"> 296<pre class="literallayout"><span class="identifier">property_tree_type</span> <span class="special">&</span> <a name="idm46079572899392-bb"></a><span class="identifier">property_tree</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 297<p>Accessor for the embedded property tree </p> 298</li> 299<li class="listitem"> 300<pre class="literallayout"><span class="keyword">bool</span> <a name="idm46079572898096-bb"></a><span class="identifier">has_section</span><span class="special">(</span><span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span> section_name<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 301<p>Checks if the specified section is present in the container.</p> 302<p> 303</p> 304<div class="variablelist"><table border="0" class="variablelist compact"> 305<colgroup> 306<col align="left" valign="top"> 307<col> 308</colgroup> 309<tbody><tr> 310<td><p><span class="term">Parameters:</span></p></td> 311<td><div class="variablelist"><table border="0" class="variablelist compact"> 312<colgroup> 313<col align="left" valign="top"> 314<col> 315</colgroup> 316<tbody><tr> 317<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 318<td><p>The name of the section </p></td> 319</tr></tbody> 320</table></div></td> 321</tr></tbody> 322</table></div> 323</li> 324<li class="listitem"> 325<pre class="literallayout"><span class="keyword">bool</span> <a name="idm46079572895104-bb"></a><span class="identifier">has_parameter</span><span class="special">(</span><span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span> section_name<span class="special">,</span> 326 <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&</span> param_name<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 327<p>Checks if the specified parameter is present in the container.</p> 328<p> 329</p> 330<div class="variablelist"><table border="0" class="variablelist compact"> 331<colgroup> 332<col align="left" valign="top"> 333<col> 334</colgroup> 335<tbody><tr> 336<td><p><span class="term">Parameters:</span></p></td> 337<td><div class="variablelist"><table border="0" class="variablelist compact"> 338<colgroup> 339<col align="left" valign="top"> 340<col> 341</colgroup> 342<tbody> 343<tr> 344<td><p><span class="term"><code class="computeroutput">param_name</code></span></p></td> 345<td><p>The name of the parameter </p></td> 346</tr> 347<tr> 348<td><p><span class="term"><code class="computeroutput">section_name</code></span></p></td> 349<td><p>The name of the section in which the parameter resides </p></td> 350</tr> 351</tbody> 352</table></div></td> 353</tr></tbody> 354</table></div> 355</li> 356<li class="listitem"> 357<pre class="literallayout"><span class="keyword">void</span> <a name="idm46079572890976-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="basic_settings_section.html" title="Class template basic_settings_section">basic_settings_section</a> <span class="special">&</span> that<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 358<p>Swaps two references to settings sections. </p> 359</li> 360</ol></div> 361</div> 362</div> 363</div> 364<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 365<td align="left"></td> 366<td align="right"><div class="copyright-footer">Copyright © 2007-2019 Andrey Semashev<p> 367 Distributed under the Boost Software License, Version 1.0. (See accompanying 368 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>). 369 </p> 370</div></td> 371</tr></table> 372<hr> 373<div class="spirit-nav"> 374<a accesskey="p" href="basic_settings.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../utilities.html#header.boost.log.utility.setup.settings_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="swap_idm46079572877200.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 375</div> 376</body> 377</html> 378
