1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xmlns="http://www.w3.org/1999/xhtml"> 3<head> 4<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 5<meta http-equiv="X-UA-Compatible" content="IE=9"/> 6<meta name="generator" content="Doxygen 1.8.6"/> 7<title>Boost.Locale: Getting information about the current locale</title> 8<link href="tabs.css" rel="stylesheet" type="text/css"/> 9<script type="text/javascript" src="jquery.js"></script> 10<script type="text/javascript" src="dynsections.js"></script> 11<link href="navtree.css" rel="stylesheet" type="text/css"/> 12<script type="text/javascript" src="resize.js"></script> 13<script type="text/javascript" src="navtree.js"></script> 14<script type="text/javascript"> 15 $(document).ready(initResizable); 16 $(window).load(resizeHeight); 17</script> 18<link href="doxygen.css" rel="stylesheet" type="text/css" /> 19</head> 20<body> 21<div id="top"><!-- do not remove this div, it is closed by doxygen! --> 22<div id="titlearea"> 23<table cellspacing="0" cellpadding="0"> 24 <tbody> 25 <tr style="height: 56px;"> 26 <td id="projectlogo"><img alt="Logo" src="boost-small.png"/></td> 27 <td style="padding-left: 0.5em;"> 28 <div id="projectname">Boost.Locale 29 </div> 30 </td> 31 </tr> 32 </tbody> 33</table> 34</div> 35<!-- end header part --> 36<!-- Generated by Doxygen 1.8.6 --> 37 <div id="navrow1" class="tabs"> 38 <ul class="tablist"> 39 <li><a href="index.html"><span>Main Page</span></a></li> 40 <li class="current"><a href="pages.html"><span>Related Pages</span></a></li> 41 <li><a href="modules.html"><span>Modules</span></a></li> 42 <li><a href="namespaces.html"><span>Namespaces</span></a></li> 43 <li><a href="annotated.html"><span>Classes</span></a></li> 44 <li><a href="files.html"><span>Files</span></a></li> 45 <li><a href="examples.html"><span>Examples</span></a></li> 46 </ul> 47 </div> 48</div><!-- top --> 49<div id="side-nav" class="ui-resizable side-nav-resizable"> 50 <div id="nav-tree"> 51 <div id="nav-tree-contents"> 52 <div id="nav-sync" class="sync"></div> 53 </div> 54 </div> 55 <div id="splitbar" style="-moz-user-select:none;" 56 class="ui-resizable-handle"> 57 </div> 58</div> 59<script type="text/javascript"> 60$(document).ready(function(){initNavTree('locale_information.html','');}); 61</script> 62<div id="doc-content"> 63<div class="header"> 64 <div class="headertitle"> 65<div class="title">Getting information about the current locale </div> </div> 66</div><!--header--> 67<div class="contents"> 68<div class="textblock"><p>The <code>std::locale::name</code> function provides very limited information about a locale. Such a name is platform- and compiler-dependent, and is useless for Boost.Locale. There is no way to change it, so for all locales created by Boost.Locale, <code>name()</code> returns the same value as <code>name()</code> for <code>std::locale::classic()</code>.</p> 69<p>Thus an additional facet was created, giving more precise information: <a class="el" href="classboost_1_1locale_1_1info.html" title="a facet that holds general information about locale ">boost::locale::info</a>. It has the following member functions:</p> 70<ul> 71<li><a class="el" href="classboost_1_1locale_1_1info.html#af8181bf226f369548c030220932323b9">std::string name()</a> – the full name of the locale, for example <code>en_US.UTF-8</code> </li> 72<li><a class="el" href="classboost_1_1locale_1_1info.html#a7c56b9df3aba82649afc66c06192c7df">std::string language()</a> – the ISO-639 language code of the current locale, for example "en".</li> 73<li><a class="el" href="classboost_1_1locale_1_1info.html#a249c20e36da6827a8dc8b12a8342a7dc">std::string country()</a> – the ISO-3199 country code of the current locale, for example "US".</li> 74<li><a class="el" href="classboost_1_1locale_1_1info.html#a2e949e4362c8f0195e2a645fe875f1b4">std::string variant()</a> – the variant of current locale, for example "euro".</li> 75<li><a class="el" href="classboost_1_1locale_1_1info.html#a1979a5d7b90604c45e856a139c68f5ba">std::string encoding()</a> – the encoding used for <code>char</code> based strings, for example "UTF-8"</li> 76<li><a class="el" href="classboost_1_1locale_1_1info.html#aafbbb5c291f60ce6fc3bc056859ba181">bool utf8()</a> – a fast way to check whether the encoding is UTF-8.</li> 77</ul> 78<p>For example:</p> 79<div class="fragment"><div class="line">cout << <span class="stringliteral">"The language code is "</span> << std::use_facet<boost::locale::info>(some_locale).language() << endl;</div> 80</div><!-- fragment --> </div></div><!-- contents --> 81</div><!-- doc-content --> 82 83 <li class="footer"> 84© Copyright 2009-2012 Artyom Beilis, Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License</a>, Version 1.0. 85 </li> 86 </ul> 87 </div> 88</body> 89</html> 90
