| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <title>Boost.Locale: wconversions.cpp</title> |
| |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="resize.js"></script> |
| <script type="text/javascript" src="navtree.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(initResizable); |
| </script> |
| |
| |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div! --> |
| |
| |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| |
| <td id="projectlogo"><img alt="Logo" src="boost-small.png"/></td> |
| |
| |
| <td style="padding-left: 0.5em;"> |
| <div id="projectname">Boost.Locale |
| |
| </div> |
| |
| </td> |
| |
| |
| |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| |
| <!-- Generated by Doxygen 1.7.6.1 --> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.html"><span>Main Page</span></a></li> |
| <li><a href="modules.html"><span>Modules</span></a></li> |
| <li><a href="namespaces.html"><span>Namespaces</span></a></li> |
| <li><a href="annotated.html"><span>Classes</span></a></li> |
| <li><a href="files.html"><span>Files</span></a></li> |
| <li><a href="examples.html"><span>Examples</span></a></li> |
| </ul> |
| </div> |
| </div> |
| <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| <div id="nav-tree"> |
| <div id="nav-tree-contents"> |
| </div> |
| </div> |
| <div id="splitbar" style="-moz-user-select:none;" |
| class="ui-resizable-handle"> |
| </div> |
| </div> |
| <script type="text/javascript"> |
| initNavTree('wconversions_8cpp-example.html',''); |
| </script> |
| <div id="doc-content"> |
| <div class="header"> |
| <div class="headertitle"> |
| <div class="title">wconversions.cpp</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <p>Example of using various text conversion functions with wide strings.</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="comment">//</span> |
| <span class="comment">// ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !</span> |
| <span class="comment">//</span> |
| <span class="comment">// BIG FAT WARNING FOR Microsoft Visual Studio Users</span> |
| <span class="comment">//</span> |
| <span class="comment">// YOU NEED TO CONVERT THIS SOURCE FILE ENCODING TO UTF-8 WITH BOM ENCODING.</span> |
| <span class="comment">//</span> |
| <span class="comment">// Unfortunately MSVC understands that the source code is encoded as</span> |
| <span class="comment">// UTF-8 only if you add useless BOM in the beginning.</span> |
| <span class="comment">//</span> |
| <span class="comment">// So, before you compile "wide" examples with MSVC, please convert them to text</span> |
| <span class="comment">// files with BOM. There are two very simple ways to do it:</span> |
| <span class="comment">//</span> |
| <span class="comment">// 1. Open file with Notepad and save it from there. It would convert </span> |
| <span class="comment">// it to file with BOM.</span> |
| <span class="comment">// 2. In Visual Studio go File->Advances Save Options... and select</span> |
| <span class="comment">// Unicode (UTF-8 with signature) Codepage 65001</span> |
| <span class="comment">//</span> |
| <span class="comment">// Note: once converted to UTF-8 with BOM, this source code would not</span> |
| <span class="comment">// compile with other compilers, because no-one uses BOM with UTF-8 today</span> |
| <span class="comment">// because it is absolutely meaningless in context of UTF-8.</span> |
| <span class="comment">//</span> |
| <span class="comment">// ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !</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); |
| wcout.imbue(loc); |
| |
| <span class="comment">// This is needed to prevent C library to</span> |
| <span class="comment">// convert strings to narrow </span> |
| <span class="comment">// instead of C++ on some platforms</span> |
| std::ios_base::sync_with_stdio(<span class="keyword">false</span>); |
| |
| |
| wcout<<L<span class="stringliteral">"Correct case conversion can't be done by simple, character by character conversion"</span><<endl; |
| wcout<<L<span class="stringliteral">"because case conversion is context sensitive and not 1-to-1 conversion"</span><<endl; |
| wcout<<L<span class="stringliteral">"For example:"</span><<endl; |
| wcout<<L<span class="stringliteral">" German grüßen correctly converted to "</span><<<a name="a1"></a><a class="code" href="group__convert.html#ga2ceae621801e8cf4f77c60d1e3047ae8">to_upper</a>(L<span class="stringliteral">"grüßen"</span>)<<L<span class="stringliteral">", instead of incorrect "</span> |
| <<boost::to_upper_copy(std::wstring(L<span class="stringliteral">"grüßen"</span>))<<endl; |
| wcout<<L<span class="stringliteral">" where ß is replaced with SS"</span><<endl; |
| wcout<<L<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>(L<span class="stringliteral">"ὈΔΥΣΣΕΎΣ"</span>)<<L<span class="stringliteral">", instead of incorrect "</span> |
| <<boost::to_lower_copy(std::wstring(L<span class="stringliteral">"ὈΔΥΣΣΕΎΣ"</span>))<<endl; |
| wcout<<L<span class="stringliteral">" where Σ is converted to σ or to ς, according to position in the word"</span><<endl; |
| wcout<<L<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; |
| wcout<<L<span class="stringliteral">"not fully applicable when working with variable character length like in UTF-8 or UTF-16 limiting the correct "</span><<endl; |
| wcout<<L<span class="stringliteral">"behavoir to BMP or ASCII only"</span><<endl; |
| |
| } |
| |
| <span class="comment">// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4</span> |
| |
| <span class="comment">// boostinspect:noascii</span> |
| </pre></div> </div><!-- contents --> |
| </div><!-- contents --> |
| </div> |
| <div id="nav-path" class="navpath"> |
| <ul> |
| |
| <li class="footer"> |
| © 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. |
| </li> |
| </ul> |
| </div> |
| |
| |
| </body> |
| </html> |
