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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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