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| 24 | </div> | |
| 25 | <div class="section"> | |
| 26 | <div class="titlepage"><div><div><h3 class="title"> | |
| 27 | <a name="boost_regex.ref.regex_traits"></a><a class="link" href="regex_traits.html" title="regex_traits">regex_traits</a> | |
| 28 | </h3></div></div></div> | |
| 29 | <pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">{</span> | |
| 30 | ||
| 31 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">implementationT</span> <span class="special">=</span> <span class="identifier">sensible_default_choice</span><span class="special">></span> | |
| 32 | <span class="keyword">struct</span> <span class="identifier">regex_traits</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">implementationT</span> | |
| 33 | <span class="special">{</span> | |
| 34 | <span class="identifier">regex_traits</span><span class="special">()</span> <span class="special">:</span> <span class="identifier">implementationT</span><span class="special">()</span> <span class="special">{}</span> | |
| 35 | <span class="special">};</span> | |
| 36 | ||
| 37 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">></span> | |
| 38 | <span class="keyword">struct</span> <span class="identifier">c_regex_traits</span><span class="special">;</span> | |
| 39 | ||
| 40 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">></span> | |
| 41 | <span class="keyword">class</span> <span class="identifier">cpp_regex_traits</span><span class="special">;</span> | |
| 42 | ||
| 43 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">></span> | |
| 44 | <span class="keyword">class</span> <span class="identifier">w32_regex_traits</span><span class="special">;</span> | |
| 45 | ||
| 46 | <span class="special">}</span> <span class="comment">// namespace boost</span> | |
| 47 | </pre> | |
| 48 | <h5> | |
| 49 | <a name="boost_regex.ref.regex_traits.h0"></a> | |
| 50 | <span class="phrase"><a name="boost_regex.ref.regex_traits.description"></a></span><a class="link" href="regex_traits.html#boost_regex.ref.regex_traits.description">Description</a> | |
| 51 | </h5> | |
| 52 | <p> | |
| 53 | The class <code class="computeroutput"><span class="identifier">regex_traits</span></code> is | |
| 54 | just a thin wrapper around an actual implementation class, which may be one | |
| 55 | of: | |
| 56 | </p> | |
| 57 | <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> | |
| 58 | <li class="listitem"> | |
| 59 | <code class="computeroutput"><span class="identifier">c_regex_traits</span></code>: this | |
| 60 | class is deprecated, it wraps the C locale, and is used as the default | |
| 61 | implementation when the platform is not Win32, and the C++ locale is | |
| 62 | not available. | |
| 63 | </li> | |
| 64 | <li class="listitem"> | |
| 65 | <code class="computeroutput"><span class="identifier">cpp_regex_traits</span></code>: the | |
| 66 | default traits class for non-Win32 platforms, allows the regex class | |
| 67 | to be imbued with a std::locale instance. | |
| 68 | </li> | |
| 69 | <li class="listitem"> | |
| 70 | <code class="computeroutput"><span class="identifier">w32_regex_traits</span></code>: the | |
| 71 | default traits class implementation on Win32 platforms, allows the regex | |
| 72 | class to be imbued with an LCID. | |
| 73 | </li> | |
| 74 | </ul></div> | |
| 75 | <p> | |
| 76 | The default behavior can be altered by defining one of the following configuration | |
| 77 | macros in <a href="../../../../../../boost/regex/user.hpp" target="_top">boost/regex/user.hpp</a> | |
| 78 | </p> | |
| 79 | <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> | |
| 80 | <li class="listitem"> | |
| 81 | BOOST_REGEX_USE_C_LOCALE: makes <code class="computeroutput"><span class="identifier">c_regex_traits</span></code> | |
| 82 | the default. | |
| 83 | </li> | |
| 84 | <li class="listitem"> | |
| 85 | BOOST_REGEX_USE_CPP_LOCALE: makes <code class="computeroutput"><span class="identifier">cpp_regex_traits</span></code> | |
| 86 | the default. | |
| 87 | </li> | |
| 88 | </ul></div> | |
| 89 | <p> | |
| 90 | All these traits classes fulfil the <a class="link" href="concepts/traits_concept.html" title="Traits Class Requirements">traits | |
| 91 | class requirements</a>. | |
| 92 | </p> | |
| 93 | </div> | |
| 94 | <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> | |
| 95 | <td align="left"></td> | |
| 96 | <td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p> | |
| 97 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 98 | 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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