boost-react-native-bundle
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<div class="title">conversions.cpp</div> </div>
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<p>Example of using various text conversion functions.</p>
<div class="fragment"><pre class="fragment"><span class="comment">//</span>
<span class="comment">// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)</span>
<span class="comment">//</span>
<span class="comment">// Distributed under the Boost Software License, Version 1.0. (See</span>
<span class="comment">// accompanying file LICENSE_1_0.txt or copy at</span>
<span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span>
<span class="comment">//</span>
<span class="preprocessor">#include <boost/locale.hpp></span>
<span class="preprocessor">#include <boost/algorithm/string/case_conv.hpp></span>
<span class="preprocessor">#include <iostream></span>
<span class="preprocessor">#include <ctime></span>
<span class="keywordtype">int</span> main()
{
<span class="keyword">using namespace </span>boost::locale;
<span class="keyword">using namespace </span>std;
<span class="comment">// Create system default locale</span>
<a name="_a0"></a><a class="code" href="classboost_1_1locale_1_1generator.html" title="the major class used for locale generation">generator</a> gen;
locale loc=gen(<span class="stringliteral">""</span>);
locale::global(loc);
cout.imbue(loc);
cout<<<span class="stringliteral">"Correct case conversion can't be done by simple, character by character conversion"</span><<endl;
cout<<<span class="stringliteral">"because case conversion is context sensitive and not 1-to-1 conversion"</span><<endl;
cout<<<span class="stringliteral">"For example:"</span><<endl;
cout<<<span class="stringliteral">" German grüßen correctly converted to "</span><<<a name="a1"></a><a class="code" href="group__convert.html#ga2ceae621801e8cf4f77c60d1e3047ae8">to_upper</a>(<span class="stringliteral">"grüßen"</span>)<<<span class="stringliteral">", instead of incorrect "</span>
<<boost::to_upper_copy(std::string(<span class="stringliteral">"grüßen"</span>))<<endl;
cout<<<span class="stringliteral">" where ß is replaced with SS"</span><<endl;
cout<<<span class="stringliteral">" Greek ὈΔΥΣΣΕΎΣ is correctly converted to "</span><<<a name="a2"></a><a class="code" href="group__convert.html#ga4a3eb15f42f5cbae7bdd00c9e9cac222">to_lower</a>(<span class="stringliteral">"ὈΔΥΣΣΕΎΣ"</span>)<<<span class="stringliteral">", instead of incorrect "</span>
<<boost::to_lower_copy(std::string(<span class="stringliteral">"ὈΔΥΣΣΕΎΣ"</span>))<<endl;
cout<<<span class="stringliteral">" where Σ is converted to σ or to ς, according to position in the word"</span><<endl;
cout<<<span class="stringliteral">"Such type of conversion just can't be done using std::toupper that work on character base, also std::toupper is "</span><<endl;
cout<<<span class="stringliteral">"not even applicable when working with variable character length like in UTF-8 or UTF-16 limiting the correct "</span><<endl;
cout<<<span class="stringliteral">"behavior to unicode subset BMP or ASCII only"</span><<endl;
}
<span class="comment">// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4</span>
<span class="comment">// boostinspect:noascii</span>
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© 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.
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