<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Struct template c_regex_traits</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp" title="Header <boost/xpressive/xpressive_fwd.hpp>"> <link rel="prev" href="has_fold_idm45506839235120.html" title="Struct has_fold_case<cpp_regex_traits< char >>"> <link rel="next" href="compiler_traits.html" title="Struct template compiler_traits"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ 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class="refentry"> <a name="boost.xpressive.c_regex_traits"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Struct template c_regex_traits</span></h2> <p>boost::xpressive::c_regex_traits — Encapsaulates the standard C locale functions for use by the <code class="computeroutput"><a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a><></code> class template. </p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp" title="Header <boost/xpressive/xpressive_fwd.hpp>">boost/xpressive/xpressive_fwd.hpp</a>> </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Char<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a> <span class="special">{</span> <span class="comment">// <a class="link" href="c_regex_traits.html#boost.xpressive.c_regex_traitsconstruct-copy-destruct">construct/copy/destruct</a></span> <a class="link" href="c_regex_traits.html#idm45506839193360-bb"><span class="identifier">c_regex_traits</span></a><span class="special">(</span><span class="identifier">locale_type</span> <span class="keyword">const</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">locale_type</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="c_regex_traits.html#idm45506839223152-bb">public member functions</a></span> <span class="keyword">bool</span> <a class="link" href="c_regex_traits.html#idm45506839222592-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a><span class="special"><</span> <span class="identifier">char_type</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="keyword">bool</span> <a class="link" href="c_regex_traits.html#idm45506839218640-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a><span class="special"><</span> <span class="identifier">char_type</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">string_type</span> <a class="link" href="c_regex_traits.html#idm45506839214688-bb"><span class="identifier">fold_case</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">locale_type</span> <a class="link" href="c_regex_traits.html#idm45506839207792-bb"><span class="identifier">imbue</span></a><span class="special">(</span><span class="identifier">locale_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">char</span> <a class="link" href="c_regex_traits.html#idm45506839205840-bb"><span class="identifier">widen</span></a><span class="special">(</span><span class="keyword">char</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">wchar_t</span> <a class="link" href="c_regex_traits.html#idm45506839204016-bb"><span class="identifier">widen</span></a><span class="special">(</span><span class="keyword">char</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a class="link" href="c_regex_traits.html#idm45506839202192-bb"><span class="identifier">hash</span></a><span class="special">(</span><span class="keyword">char</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a class="link" href="c_regex_traits.html#idm45506839200368-bb"><span class="identifier">hash</span></a><span class="special">(</span><span class="keyword">wchar_t</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">int</span> <a class="link" href="c_regex_traits.html#idm45506839198544-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="keyword">char</span><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">int</span> <a class="link" href="c_regex_traits.html#idm45506839196032-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="keyword">wchar_t</span><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="c_regex_traits.html#idm45506839190928-bb">public static functions</a></span> <span class="keyword">static</span> <span class="identifier">char_type</span> <a class="link" href="c_regex_traits.html#idm45506839190368-bb"><span class="identifier">widen</span></a><span class="special">(</span><span class="keyword">char</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a class="link" href="c_regex_traits.html#idm45506839186976-bb"><span class="identifier">hash</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">char_type</span> <a class="link" href="c_regex_traits.html#idm45506839183552-bb"><span class="identifier">translate</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">char_type</span> <a class="link" href="c_regex_traits.html#idm45506839180208-bb"><span class="identifier">translate_nocase</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">char_type</span> <a class="link" href="c_regex_traits.html#idm45506839176752-bb"><span class="identifier">tolower</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">char_type</span> <a class="link" href="c_regex_traits.html#idm45506839173296-bb"><span class="identifier">toupper</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="c_regex_traits.html#idm45506839169840-bb"><span class="identifier">in_range</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="c_regex_traits.html#idm45506839164192-bb"><span class="identifier">in_range_nocase</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">char_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a class="link" href="c_regex_traits.html#idm45506839157760-bb"><span class="identifier">transform</span></a><span class="special">(</span><span class="identifier">FwdIter</span><span class="special">,</span> <span class="identifier">FwdIter</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a class="link" href="c_regex_traits.html#idm45506839153088-bb"><span class="identifier">transform_primary</span></a><span class="special">(</span><span class="identifier">FwdIter</span><span class="special">,</span> <span class="identifier">FwdIter</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a class="link" href="c_regex_traits.html#idm45506839148368-bb"><span class="identifier">lookup_collatename</span></a><span class="special">(</span><span class="identifier">FwdIter</span><span class="special">,</span> <span class="identifier">FwdIter</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">char_class_type</span> <a class="link" href="c_regex_traits.html#idm45506839143680-bb"><span class="identifier">lookup_classname</span></a><span class="special">(</span><span class="identifier">FwdIter</span><span class="special">,</span> <span class="identifier">FwdIter</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="c_regex_traits.html#idm45506839136928-bb"><span class="identifier">isctype</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">char_class_type</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="keyword">int</span> <a class="link" href="c_regex_traits.html#idm45506839131840-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="identifier">char_type</span><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span> <span class="keyword">static</span> <span class="identifier">locale_type</span> <a class="link" href="c_regex_traits.html#idm45506839126720-bb"><span class="identifier">getloc</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="idm45555015264832"></a><h2>Description</h2> <div class="refsect2"> <a name="idm45555015264416"></a><h3> <a name="boost.xpressive.c_regex_traitsconstruct-copy-destruct"></a><code class="computeroutput">c_regex_traits</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> <pre class="literallayout"><a name="idm45506839193360-bb"></a><span class="identifier">c_regex_traits</span><span class="special">(</span><span class="identifier">locale_type</span> <span class="keyword">const</span> <span class="special">&</span> loc <span class="special">=</span> <span class="identifier">locale_type</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> <p>Initialize a <code class="computeroutput"><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a></code> object to use the global C locale. </p> </li></ol></div> </div> <div class="refsect2"> <a name="idm45555015252608"></a><h3> <a name="idm45506839223152-bb"></a><code class="computeroutput">c_regex_traits</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">bool</span> <a name="idm45506839222592-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a><span class="special"><</span> <span class="identifier">char_type</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Checks two <code class="computeroutput"><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a></code> objects for equality</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term">Returns:</span></p></td> <td><p>true. </p></td> </tr></tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">bool</span> <a name="idm45506839218640-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a><span class="special"><</span> <span class="identifier">char_type</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Checks two <code class="computeroutput"><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a></code> objects for inequality</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term">Returns:</span></p></td> <td><p>false. </p></td> </tr></tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">string_type</span> <a name="idm45506839214688-bb"></a><span class="identifier">fold_case</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns a <code class="computeroutput">string_type</code> containing all the characters that compare equal disregrarding case to the one passed in. This function can only be called if <code class="computeroutput"><code class="computeroutput"><a class="link" href="has_fold_case.html" title="Struct template has_fold_case">has_fold_case</a></code><<code class="computeroutput"><a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a></code><Char> >::value</code> is <code class="computeroutput">true</code>.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p><code class="computeroutput">string_type</code> containing all chars which are equal to <code class="computeroutput">ch</code> when disregarding case </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">locale_type</span> <a name="idm45506839207792-bb"></a><span class="identifier">imbue</span><span class="special">(</span><span class="identifier">locale_type</span> loc<span class="special">)</span><span class="special">;</span></pre> <p>No-op </p> </li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">char</span> <a name="idm45506839205840-bb"></a><span class="identifier">widen</span><span class="special">(</span><span class="keyword">char</span> ch<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">wchar_t</span> <a name="idm45506839204016-bb"></a><span class="identifier">widen</span><span class="special">(</span><span class="keyword">char</span> ch<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a name="idm45506839202192-bb"></a><span class="identifier">hash</span><span class="special">(</span><span class="keyword">char</span> ch<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a name="idm45506839200368-bb"></a><span class="identifier">hash</span><span class="special">(</span><span class="keyword">wchar_t</span> ch<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">int</span> <a name="idm45506839198544-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="keyword">char</span> ch<span class="special">,</span> <span class="keyword">int</span> radix<span class="special">)</span><span class="special">;</span></pre></li> <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">int</span> <a name="idm45506839196032-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="keyword">wchar_t</span> ch<span class="special">,</span> <span class="keyword">int</span> radix<span class="special">)</span><span class="special">;</span></pre></li> </ol></div> </div> <div class="refsect2"> <a name="idm45555015158976"></a><h3> <a name="idm45506839190928-bb"></a><code class="computeroutput">c_regex_traits</code> public static functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idm45506839190368-bb"></a><span class="identifier">widen</span><span class="special">(</span><span class="keyword">char</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Convert a char to a Char</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>ch if Char is char, std::btowc(ch) if Char is wchar_t. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">unsigned</span> <span class="keyword">char</span> <a name="idm45506839186976-bb"></a><span class="identifier">hash</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Returns a hash value for a Char in the range [0, UCHAR_MAX]</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>a value between 0 and UCHAR_MAX, inclusive. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idm45506839183552-bb"></a><span class="identifier">translate</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>No-op</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>ch </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idm45506839180208-bb"></a><span class="identifier">translate_nocase</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Converts a character to lower-case using the current global C locale.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>std::tolower(ch) if Char is char, std::towlower(ch) if Char is wchar_t. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idm45506839176752-bb"></a><span class="identifier">tolower</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Converts a character to lower-case using the current global C locale.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>std::tolower(ch) if Char is char, std::towlower(ch) if Char is wchar_t. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idm45506839173296-bb"></a><span class="identifier">toupper</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Converts a character to upper-case using the current global C locale.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>std::toupper(ch) if Char is char, std::towupper(ch) if Char is wchar_t. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idm45506839169840-bb"></a><span class="identifier">in_range</span><span class="special">(</span><span class="identifier">char_type</span> first<span class="special">,</span> <span class="identifier">char_type</span> last<span class="special">,</span> <span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Checks to see if a character is within a character range.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">first</code></span></p></td> <td><p>The bottom of the range, inclusive. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">last</code></span></p></td> <td><p>The top of the range, inclusive. </p></td> </tr> </tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>first <= ch && ch <= last. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idm45506839164192-bb"></a><span class="identifier">in_range_nocase</span><span class="special">(</span><span class="identifier">char_type</span> first<span class="special">,</span> <span class="identifier">char_type</span> last<span class="special">,</span> <span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre> <p>Checks to see if a character is within a character range, irregardless of case.</p> <p> </p> <div class="note"><table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> <th align="left">Note</th> </tr> <tr><td align="left" valign="top"><p>The default implementation doesn't do proper Unicode case folding, but this is the best we can do with the standard C locale functions. </p></td></tr> </table></div> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The source character. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">first</code></span></p></td> <td><p>The bottom of the range, inclusive. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">last</code></span></p></td> <td><p>The top of the range, inclusive. </p></td> </tr> </tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>in_range(first, last, ch) || in_range(first, last, tolower(ch)) || in_range(first, last, toupper(ch)) </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a name="idm45506839157760-bb"></a><span class="identifier">transform</span><span class="special">(</span><span class="identifier">FwdIter</span> begin<span class="special">,</span> <span class="identifier">FwdIter</span> end<span class="special">)</span><span class="special">;</span></pre> <p>Returns a sort key for the character sequence designated by the iterator range [F1, F2) such that if the character sequence [G1, G2) sorts before the character sequence [H1, H2) then v.transform(G1, G2) < v.transform(H1, H2).</p> <div class="note"><table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> <th align="left">Note</th> </tr> <tr><td align="left" valign="top"><p>Not currently used </p></td></tr> </table></div> <p> </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a name="idm45506839153088-bb"></a><span class="identifier">transform_primary</span><span class="special">(</span><span class="identifier">FwdIter</span> begin<span class="special">,</span> <span class="identifier">FwdIter</span> end<span class="special">)</span><span class="special">;</span></pre> <p>Returns a sort key for the character sequence designated by the iterator range [F1, F2) such that if the character sequence [G1, G2) sorts before the character sequence [H1, H2) when character case is not considered then v.transform_primary(G1, G2) < v.transform_primary(H1, H2).</p> <div class="note"><table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> <th align="left">Note</th> </tr> <tr><td align="left" valign="top"><p>Not currently used </p></td></tr> </table></div> <p> </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">string_type</span> <a name="idm45506839148368-bb"></a><span class="identifier">lookup_collatename</span><span class="special">(</span><span class="identifier">FwdIter</span> begin<span class="special">,</span> <span class="identifier">FwdIter</span> end<span class="special">)</span><span class="special">;</span></pre> <p>Returns a sequence of characters that represents the collating element consisting of the character sequence designated by the iterator range [F1, F2). Returns an empty string if the character sequence is not a valid collating element.</p> <div class="note"><table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> <th align="left">Note</th> </tr> <tr><td align="left" valign="top"><p>Not currently used </p></td></tr> </table></div> <p> </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FwdIter<span class="special">></span> <span class="keyword">static</span> <span class="identifier">char_class_type</span> <a name="idm45506839143680-bb"></a><span class="identifier">lookup_classname</span><span class="special">(</span><span class="identifier">FwdIter</span> begin<span class="special">,</span> <span class="identifier">FwdIter</span> end<span class="special">,</span> <span class="keyword">bool</span> icase<span class="special">)</span><span class="special">;</span></pre> <p>For the character class name represented by the specified character sequence, return the corresponding bitmask representation.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><code class="computeroutput">begin</code></span></p></td> <td><p>A forward iterator to the start of the character sequence representing the name of the character class. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">end</code></span></p></td> <td><p>The end of the character sequence. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">icase</code></span></p></td> <td><p>Specifies whether the returned bitmask should represent the case-insensitive version of the character class. </p></td> </tr> </tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>A bitmask representing the character class. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idm45506839136928-bb"></a><span class="identifier">isctype</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">,</span> <span class="identifier">char_class_type</span> mask<span class="special">)</span><span class="special">;</span></pre> <p>Tests a character against a character class bitmask.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The character to test. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">mask</code></span></p></td> <td><p>The character class bitmask against which to test. </p></td> </tr> </tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Requires:</span></p></td> <td><p>mask is a bitmask returned by lookup_classname, or is several such masks bit-or'ed together. </p></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>true if the character is a member of any of the specified character classes, false otherwise. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">int</span> <a name="idm45506839131840-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">,</span> <span class="keyword">int</span> radix<span class="special">)</span><span class="special">;</span></pre> <p>Convert a digit character into the integer it represents.</p> <p> </p> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><code class="computeroutput">ch</code></span></p></td> <td><p>The digit character. </p></td> </tr> <tr> <td><p><span class="term"><code class="computeroutput">radix</code></span></p></td> <td><p>The radix to use for the conversion. </p></td> </tr> </tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Requires:</span></p></td> <td><p>radix is one of 8, 10, or 16. </p></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>-1 if ch is not a digit character, the integer value of the character otherwise. If char_type is char, std::strtol is used for the conversion. If char_type is wchar_t, std::wcstol is used. </p></td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">locale_type</span> <a name="idm45506839126720-bb"></a><span class="identifier">getloc</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> <p>No-op </p> </li> </ol></div> </div> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2007 Eric Niebler<p> Distributed under the Boost Software License, Version 1.0. (See accompanying 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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="has_fold_idm45506839235120.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="compiler_traits.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>