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<div class="title">char_traits.h</div> </div>
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<a href="a00796.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Character Traits for use by standard string and iostream -*- C++ -*-</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,</span>
<a name="l00004"></a>00004 <span class="comment">// 2006, 2007, 2008, 2009, 2010</span>
<a name="l00005"></a>00005 <span class="comment">// Free Software Foundation, Inc.</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span>
<a name="l00008"></a>00008 <span class="comment">// software; you can redistribute it and/or modify it under the</span>
<a name="l00009"></a>00009 <span class="comment">// terms of the GNU General Public License as published by the</span>
<a name="l00010"></a>00010 <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00011"></a>00011 <span class="comment">// any later version.</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00016"></a>00016 <span class="comment">// GNU General Public License for more details.</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span>
<a name="l00019"></a>00019 <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span>
<a name="l00020"></a>00020 <span class="comment">// 3.1, as published by the Free Software Foundation.</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// You should have received a copy of the GNU General Public License and</span>
<a name="l00023"></a>00023 <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span>
<a name="l00024"></a>00024 <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
<a name="l00025"></a>00025 <span class="comment">// <http://www.gnu.org/licenses/>.</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">/** @file bits/char_traits.h</span>
<a name="l00028"></a>00028 <span class="comment"> * This is an internal header file, included by other library headers.</span>
<a name="l00029"></a>00029 <span class="comment"> * Do not attempt to use it directly. @headername{string}</span>
<a name="l00030"></a>00030 <span class="comment"> */</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">//</span>
<a name="l00033"></a>00033 <span class="comment">// ISO C++ 14882: 21 Strings library</span>
<a name="l00034"></a>00034 <span class="comment">//</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#ifndef _CHAR_TRAITS_H</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define _CHAR_TRAITS_H 1</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#pragma GCC system_header</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <<a class="code" href="a01046.html">bits/stl_algobase.h</a>></span> <span class="comment">// std::copy, std::fill_n</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <<a class="code" href="a00977.html">bits/postypes.h</a>></span> <span class="comment">// For streampos</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <cwchar></span> <span class="comment">// For WEOF, wmemmove, wmemset, etc.</span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">namespace </span>__gnu_cxx _GLIBCXX_VISIBILITY(default)
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 _GLIBCXX_BEGIN_NAMESPACE_VERSION
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment"> /**</span>
<a name="l00050"></a>00050 <span class="comment"> * @brief Mapping from character type to associated types.</span>
<a name="l00051"></a>00051 <span class="comment"> *</span>
<a name="l00052"></a>00052 <span class="comment"> * @note This is an implementation class for the generic version</span>
<a name="l00053"></a>00053 <span class="comment"> * of char_traits. It defines int_type, off_type, pos_type, and</span>
<a name="l00054"></a>00054 <span class="comment"> * state_type. By default these are unsigned long, streamoff,</span>
<a name="l00055"></a>00055 <span class="comment"> * streampos, and mbstate_t. Users who need a different set of</span>
<a name="l00056"></a>00056 <span class="comment"> * types, but who don't need to change the definitions of any function</span>
<a name="l00057"></a>00057 <span class="comment"> * defined in char_traits, can specialize __gnu_cxx::_Char_types</span>
<a name="l00058"></a>00058 <span class="comment"> * while leaving __gnu_cxx::char_traits alone. */</span>
<a name="l00059"></a>00059 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00060"></a><a class="code" href="a00021.html">00060</a> <span class="keyword">struct </span><a class="code" href="a00021.html" title="Mapping from character type to associated types.">_Char_types</a>
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> int_type;
<a name="l00063"></a>00063 <span class="keyword">typedef</span> <a class="code" href="a00476.html" title="Class representing stream positions.">std::streampos</a> <a class="code" href="a00476.html" title="Class representing stream positions.">pos_type</a>;
<a name="l00064"></a>00064 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a48649c5c32f0251572b366063ee93032" title="Type used by fpos, char_traits<char>, and char_traits<wchar_t>.">std::streamoff</a> off_type;
<a name="l00065"></a>00065 <span class="keyword">typedef</span> std::mbstate_t state_type;
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment"></span>
<a name="l00069"></a>00069 <span class="comment"> /**</span>
<a name="l00070"></a>00070 <span class="comment"> * @brief Base class used to implement std::char_traits.</span>
<a name="l00071"></a>00071 <span class="comment"> *</span>
<a name="l00072"></a>00072 <span class="comment"> * @note For any given actual character type, this definition is</span>
<a name="l00073"></a>00073 <span class="comment"> * probably wrong. (Most of the member functions are likely to be</span>
<a name="l00074"></a>00074 <span class="comment"> * right, but the int_type and state_type typedefs, and the eof()</span>
<a name="l00075"></a>00075 <span class="comment"> * member function, are likely to be wrong.) The reason this class</span>
<a name="l00076"></a>00076 <span class="comment"> * exists is so users can specialize it. Classes in namespace std</span>
<a name="l00077"></a>00077 <span class="comment"> * may not be specialized for fundamental types, but classes in</span>
<a name="l00078"></a>00078 <span class="comment"> * namespace __gnu_cxx may be.</span>
<a name="l00079"></a>00079 <span class="comment"> *</span>
<a name="l00080"></a>00080 <span class="comment"> * See http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html</span>
<a name="l00081"></a>00081 <span class="comment"> * for advice on how to make use of this class for @a unusual character</span>
<a name="l00082"></a>00082 <span class="comment"> * types. Also, check out include/ext/pod_char_traits.h. </span>
<a name="l00083"></a>00083 <span class="comment"> */</span>
<a name="l00084"></a>00084 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00085"></a><a class="code" href="a00034.html">00085</a> <span class="keyword">struct </span><a class="code" href="a00034.html" title="Base class used to implement std::char_traits.">char_traits</a>
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 <span class="keyword">typedef</span> _CharT char_type;
<a name="l00088"></a>00088 <span class="keyword">typedef</span> <span class="keyword">typename</span> _Char_types<_CharT>::int_type int_type;
<a name="l00089"></a>00089 <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a00476.html" title="Class representing stream positions.">_Char_types<_CharT>::pos_type</a> <a class="code" href="a00476.html" title="Class representing stream positions.">pos_type</a>;
<a name="l00090"></a>00090 <span class="keyword">typedef</span> <span class="keyword">typename</span> _Char_types<_CharT>::off_type off_type;
<a name="l00091"></a>00091 <span class="keyword">typedef</span> <span class="keyword">typename</span> _Char_types<_CharT>::state_type state_type;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00094"></a>00094 assign(char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00095"></a>00095 { __c1 = __c2; }
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00098"></a>00098 eq(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00099"></a>00099 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00102"></a>00102 lt(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00103"></a>00103 { <span class="keywordflow">return</span> __c1 < __c2; }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00106"></a>00106 compare(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">static</span> std::size_t
<a name="l00109"></a>00109 length(<span class="keyword">const</span> char_type* __s);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keyword">static</span> <span class="keyword">const</span> char_type*
<a name="l00112"></a>00112 find(<span class="keyword">const</span> char_type* __s, std::size_t __n, <span class="keyword">const</span> char_type& __a);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keyword">static</span> char_type*
<a name="l00115"></a>00115 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keyword">static</span> char_type*
<a name="l00118"></a>00118 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keyword">static</span> char_type*
<a name="l00121"></a>00121 assign(char_type* __s, std::size_t __n, char_type __a);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR char_type
<a name="l00124"></a>00124 to_char_type(<span class="keyword">const</span> int_type& __c)
<a name="l00125"></a>00125 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>char_type<span class="keyword">></span>(__c); }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00128"></a>00128 to_int_type(<span class="keyword">const</span> char_type& __c)
<a name="l00129"></a>00129 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(__c); }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00132"></a>00132 eq_int_type(<span class="keyword">const</span> int_type& __c1, <span class="keyword">const</span> int_type& __c2)
<a name="l00133"></a>00133 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00136"></a>00136 eof()
<a name="l00137"></a>00137 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(_GLIBCXX_STDIO_EOF); }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00140"></a>00140 not_eof(<span class="keyword">const</span> int_type& __c)
<a name="l00141"></a>00141 { <span class="keywordflow">return</span> !eq_int_type(__c, eof()) ? __c : to_int_type(char_type()); }
<a name="l00142"></a>00142 };
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00145"></a>00145 <span class="keywordtype">int</span>
<a name="l00146"></a>00146 <a class="code" href="a00034.html" title="Base class used to implement std::char_traits.">char_traits<_CharT>::</a>
<a name="l00147"></a>00147 <a class="code" href="a00034.html" title="Base class used to implement std::char_traits."> compare</a>(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <span class="keywordflow">for</span> (std::size_t __i = 0; __i < __n; ++__i)
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (lt(__s1[__i], __s2[__i]))
<a name="l00151"></a>00151 <span class="keywordflow">return</span> -1;
<a name="l00152"></a>00152 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lt(__s2[__i], __s1[__i]))
<a name="l00153"></a>00153 <span class="keywordflow">return</span> 1;
<a name="l00154"></a>00154 <span class="keywordflow">return</span> 0;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00158"></a>00158 std::size_t
<a name="l00159"></a>00159 char_traits<_CharT>::
<a name="l00160"></a>00160 length(<span class="keyword">const</span> char_type* __p)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 std::size_t __i = 0;
<a name="l00163"></a>00163 <span class="keywordflow">while</span> (!eq(__p[__i], char_type()))
<a name="l00164"></a>00164 ++__i;
<a name="l00165"></a>00165 <span class="keywordflow">return</span> __i;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00169"></a>00169 <span class="keyword">const</span> <span class="keyword">typename</span> char_traits<_CharT>::char_type*
<a name="l00170"></a>00170 char_traits<_CharT>::
<a name="l00171"></a>00171 find(<span class="keyword">const</span> char_type* __s, std::size_t __n, <span class="keyword">const</span> char_type& __a)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordflow">for</span> (std::size_t __i = 0; __i < __n; ++__i)
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (eq(__s[__i], __a))
<a name="l00175"></a>00175 <span class="keywordflow">return</span> __s + __i;
<a name="l00176"></a>00176 <span class="keywordflow">return</span> 0;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00180"></a>00180 <span class="keyword">typename</span> char_traits<_CharT>::char_type*
<a name="l00181"></a>00181 char_traits<_CharT>::
<a name="l00182"></a>00182 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n)
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>_CharT*<span class="keyword">></span>(__builtin_memmove(__s1, __s2,
<a name="l00185"></a>00185 __n * <span class="keyword">sizeof</span>(char_type)));
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00189"></a>00189 <span class="keyword">typename</span> char_traits<_CharT>::char_type*
<a name="l00190"></a>00190 char_traits<_CharT>::
<a name="l00191"></a>00191 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, std::size_t __n)
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 <span class="comment">// NB: Inline std::copy so no recursive dependencies.</span>
<a name="l00194"></a>00194 std::copy(__s2, __s2 + __n, __s1);
<a name="l00195"></a>00195 <span class="keywordflow">return</span> __s1;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keyword">template</span><<span class="keyword">typename</span> _CharT>
<a name="l00199"></a>00199 <span class="keyword">typename</span> char_traits<_CharT>::char_type*
<a name="l00200"></a>00200 char_traits<_CharT>::
<a name="l00201"></a>00201 assign(char_type* __s, std::size_t __n, char_type __a)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="comment">// NB: Inline std::fill_n so no recursive dependencies.</span>
<a name="l00204"></a>00204 <a class="code" href="a01182.html#ga8e96c0929c37ae5db8c540e177b0dc31" title="Fills the range [first,first+n) with copies of value.">std::fill_n</a>(__s, __n, __a);
<a name="l00205"></a>00205 <span class="keywordflow">return</span> __s;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207
<a name="l00208"></a>00208 _GLIBCXX_END_NAMESPACE_VERSION
<a name="l00209"></a>00209 } <span class="comment">// namespace</span>
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 _GLIBCXX_BEGIN_NAMESPACE_VERSION
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="comment">// 21.1</span><span class="comment"></span>
<a name="l00216"></a>00216 <span class="comment"> /**</span>
<a name="l00217"></a>00217 <span class="comment"> * @brief Basis for explicit traits specializations.</span>
<a name="l00218"></a>00218 <span class="comment"> *</span>
<a name="l00219"></a>00219 <span class="comment"> * @note For any given actual character type, this definition is</span>
<a name="l00220"></a>00220 <span class="comment"> * probably wrong. Since this is just a thin wrapper around</span>
<a name="l00221"></a>00221 <span class="comment"> * __gnu_cxx::char_traits, it is possible to achieve a more</span>
<a name="l00222"></a>00222 <span class="comment"> * appropriate definition by specializing __gnu_cxx::char_traits.</span>
<a name="l00223"></a>00223 <span class="comment"> *</span>
<a name="l00224"></a>00224 <span class="comment"> * See http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html</span>
<a name="l00225"></a>00225 <span class="comment"> * for advice on how to make use of this class for @a unusual character</span>
<a name="l00226"></a>00226 <span class="comment"> * types. Also, check out include/ext/pod_char_traits.h.</span>
<a name="l00227"></a>00227 <span class="comment"> */</span>
<a name="l00228"></a>00228 <span class="keyword">template</span><<span class="keyword">class</span> _CharT>
<a name="l00229"></a><a class="code" href="a00415.html">00229</a> <span class="keyword">struct </span><a class="code" href="a00415.html" title="Basis for explicit traits specializations.">char_traits</a> : <span class="keyword">public</span> __gnu_cxx::<a class="code" href="a00415.html" title="Basis for explicit traits specializations.">char_traits</a><_CharT>
<a name="l00230"></a>00230 { };
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment"></span>
<a name="l00233"></a>00233 <span class="comment"> /// 21.1.3.1 char_traits specializations</span>
<a name="l00234"></a>00234 <span class="comment"></span> <span class="keyword">template</span><>
<a name="l00235"></a><a class="code" href="a00417.html">00235</a> <span class="keyword">struct </span><a class="code" href="a00415.html" title="Basis for explicit traits specializations.">char_traits</a><char>
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 <span class="keyword">typedef</span> <span class="keywordtype">char</span> char_type;
<a name="l00238"></a>00238 <span class="keyword">typedef</span> <span class="keywordtype">int</span> int_type;
<a name="l00239"></a>00239 <span class="keyword">typedef</span> <a class="code" href="a00476.html" title="Class representing stream positions.">streampos</a> <a class="code" href="a00476.html" title="Class representing stream positions.">pos_type</a>;
<a name="l00240"></a>00240 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a48649c5c32f0251572b366063ee93032" title="Type used by fpos, char_traits<char>, and char_traits<wchar_t>.">streamoff</a> off_type;
<a name="l00241"></a>00241 <span class="keyword">typedef</span> mbstate_t state_type;
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00244"></a>00244 assign(char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00245"></a>00245 { __c1 = __c2; }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00248"></a>00248 eq(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00249"></a>00249 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00252"></a>00252 lt(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00253"></a>00253 { <span class="keywordflow">return</span> __c1 < __c2; }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00256"></a>00256 compare(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00257"></a>00257 { <span class="keywordflow">return</span> __builtin_memcmp(__s1, __s2, __n); }
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
<a name="l00260"></a>00260 length(<span class="keyword">const</span> char_type* __s)
<a name="l00261"></a>00261 { <span class="keywordflow">return</span> __builtin_strlen(__s); }
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keyword">static</span> <span class="keyword">const</span> char_type*
<a name="l00264"></a>00264 find(<span class="keyword">const</span> char_type* __s, <span class="keywordtype">size_t</span> __n, <span class="keyword">const</span> char_type& __a)
<a name="l00265"></a>00265 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keyword">const </span>char_type*<span class="keyword">></span>(__builtin_memchr(__s, __a, __n)); }
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="keyword">static</span> char_type*
<a name="l00268"></a>00268 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00269"></a>00269 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>char_type*<span class="keyword">></span>(__builtin_memmove(__s1, __s2, __n)); }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keyword">static</span> char_type*
<a name="l00272"></a>00272 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00273"></a>00273 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>char_type*<span class="keyword">></span>(__builtin_memcpy(__s1, __s2, __n)); }
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="keyword">static</span> char_type*
<a name="l00276"></a>00276 assign(char_type* __s, <span class="keywordtype">size_t</span> __n, char_type __a)
<a name="l00277"></a>00277 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>char_type*<span class="keyword">></span>(__builtin_memset(__s, __a, __n)); }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR char_type
<a name="l00280"></a>00280 to_char_type(<span class="keyword">const</span> int_type& __c)
<a name="l00281"></a>00281 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>char_type<span class="keyword">></span>(__c); }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="comment">// To keep both the byte 0xff and the eof symbol 0xffffffff</span>
<a name="l00284"></a>00284 <span class="comment">// from ending up as 0xffffffff.</span>
<a name="l00285"></a>00285 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00286"></a>00286 to_int_type(<span class="keyword">const</span> char_type& __c)
<a name="l00287"></a>00287 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(__c)); }
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00290"></a>00290 eq_int_type(<span class="keyword">const</span> int_type& __c1, <span class="keyword">const</span> int_type& __c2)
<a name="l00291"></a>00291 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00294"></a>00294 eof()
<a name="l00295"></a>00295 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(_GLIBCXX_STDIO_EOF); }
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00298"></a>00298 not_eof(<span class="keyword">const</span> int_type& __c)
<a name="l00299"></a>00299 { <span class="keywordflow">return</span> (__c == eof()) ? 0 : __c; }
<a name="l00300"></a>00300 };
<a name="l00301"></a>00301
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="preprocessor">#ifdef _GLIBCXX_USE_WCHAR_T</span>
<a name="l00304"></a>00304 <span class="preprocessor"></span><span class="comment"> /// 21.1.3.2 char_traits specializations</span>
<a name="l00305"></a>00305 <span class="comment"></span> <span class="keyword">template</span><>
<a name="l00306"></a><a class="code" href="a00418.html">00306</a> <span class="keyword">struct </span><a class="code" href="a00415.html" title="Basis for explicit traits specializations.">char_traits</a><wchar_t>
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 <span class="keyword">typedef</span> <span class="keywordtype">wchar_t</span> char_type;
<a name="l00309"></a>00309 <span class="keyword">typedef</span> wint_t int_type;
<a name="l00310"></a>00310 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a48649c5c32f0251572b366063ee93032" title="Type used by fpos, char_traits<char>, and char_traits<wchar_t>.">streamoff</a> off_type;
<a name="l00311"></a>00311 <span class="keyword">typedef</span> <a class="code" href="a00476.html" title="Class representing stream positions.">wstreampos</a> <a class="code" href="a00476.html" title="Class representing stream positions.">pos_type</a>;
<a name="l00312"></a>00312 <span class="keyword">typedef</span> mbstate_t state_type;
<a name="l00313"></a>00313
<a name="l00314"></a>00314 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00315"></a>00315 assign(char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00316"></a>00316 { __c1 = __c2; }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00319"></a>00319 eq(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00320"></a>00320 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00323"></a>00323 lt(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00324"></a>00324 { <span class="keywordflow">return</span> __c1 < __c2; }
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00327"></a>00327 compare(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00328"></a>00328 { <span class="keywordflow">return</span> wmemcmp(__s1, __s2, __n); }
<a name="l00329"></a>00329
<a name="l00330"></a>00330 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
<a name="l00331"></a>00331 length(<span class="keyword">const</span> char_type* __s)
<a name="l00332"></a>00332 { <span class="keywordflow">return</span> wcslen(__s); }
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="keyword">static</span> <span class="keyword">const</span> char_type*
<a name="l00335"></a>00335 find(<span class="keyword">const</span> char_type* __s, <span class="keywordtype">size_t</span> __n, <span class="keyword">const</span> char_type& __a)
<a name="l00336"></a>00336 { <span class="keywordflow">return</span> wmemchr(__s, __a, __n); }
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="keyword">static</span> char_type*
<a name="l00339"></a>00339 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00340"></a>00340 { <span class="keywordflow">return</span> wmemmove(__s1, __s2, __n); }
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <span class="keyword">static</span> char_type*
<a name="l00343"></a>00343 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00344"></a>00344 { <span class="keywordflow">return</span> wmemcpy(__s1, __s2, __n); }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keyword">static</span> char_type*
<a name="l00347"></a>00347 assign(char_type* __s, <span class="keywordtype">size_t</span> __n, char_type __a)
<a name="l00348"></a>00348 { <span class="keywordflow">return</span> wmemset(__s, __a, __n); }
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR char_type
<a name="l00351"></a>00351 to_char_type(<span class="keyword">const</span> int_type& __c)
<a name="l00352"></a>00352 { <span class="keywordflow">return</span> char_type(__c); }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00355"></a>00355 to_int_type(<span class="keyword">const</span> char_type& __c)
<a name="l00356"></a>00356 { <span class="keywordflow">return</span> int_type(__c); }
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00359"></a>00359 eq_int_type(<span class="keyword">const</span> int_type& __c1, <span class="keyword">const</span> int_type& __c2)
<a name="l00360"></a>00360 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00363"></a>00363 eof()
<a name="l00364"></a>00364 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(WEOF); }
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00367"></a>00367 not_eof(<span class="keyword">const</span> int_type& __c)
<a name="l00368"></a>00368 { <span class="keywordflow">return</span> eq_int_type(__c, eof()) ? 0 : __c; }
<a name="l00369"></a>00369 };
<a name="l00370"></a>00370 <span class="preprocessor">#endif //_GLIBCXX_USE_WCHAR_T</span>
<a name="l00371"></a>00371 <span class="preprocessor"></span>
<a name="l00372"></a>00372 _GLIBCXX_END_NAMESPACE_VERSION
<a name="l00373"></a>00373 } <span class="comment">// namespace</span>
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="preprocessor">#if (defined(__GXX_EXPERIMENTAL_CXX0X__) \</span>
<a name="l00376"></a>00376 <span class="preprocessor"> && defined(_GLIBCXX_USE_C99_STDINT_TR1))</span>
<a name="l00377"></a>00377 <span class="preprocessor"></span>
<a name="l00378"></a>00378 <span class="preprocessor">#include <cstdint></span>
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)
<a name="l00381"></a>00381 {
<a name="l00382"></a>00382 _GLIBCXX_BEGIN_NAMESPACE_VERSION
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keyword">template</span><>
<a name="l00385"></a>00385 <span class="keyword">struct </span>char_traits<char16_t>
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 <span class="keyword">typedef</span> char16_t char_type;
<a name="l00388"></a>00388 <span class="keyword">typedef</span> uint_least16_t int_type;
<a name="l00389"></a>00389 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a48649c5c32f0251572b366063ee93032" title="Type used by fpos, char_traits<char>, and char_traits<wchar_t>.">streamoff</a> off_type;
<a name="l00390"></a>00390 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a96c9446fbbc8c9cab8ad5e1447e2d670" title="File position for char16_t streams.">u16streampos</a> pos_type;
<a name="l00391"></a>00391 <span class="keyword">typedef</span> mbstate_t state_type;
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00394"></a>00394 assign(char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00395"></a>00395 { __c1 = __c2; }
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00398"></a>00398 eq(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00399"></a>00399 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00402"></a>00402 lt(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00403"></a>00403 { <span class="keywordflow">return</span> __c1 < __c2; }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00406"></a>00406 compare(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (lt(__s1[__i], __s2[__i]))
<a name="l00410"></a>00410 <span class="keywordflow">return</span> -1;
<a name="l00411"></a>00411 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lt(__s2[__i], __s1[__i]))
<a name="l00412"></a>00412 <span class="keywordflow">return</span> 1;
<a name="l00413"></a>00413 <span class="keywordflow">return</span> 0;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
<a name="l00417"></a>00417 length(<span class="keyword">const</span> char_type* __s)
<a name="l00418"></a>00418 {
<a name="l00419"></a>00419 <span class="keywordtype">size_t</span> __i = 0;
<a name="l00420"></a>00420 <span class="keywordflow">while</span> (!eq(__s[__i], char_type()))
<a name="l00421"></a>00421 ++__i;
<a name="l00422"></a>00422 <span class="keywordflow">return</span> __i;
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keyword">static</span> <span class="keyword">const</span> char_type*
<a name="l00426"></a>00426 find(<span class="keyword">const</span> char_type* __s, <span class="keywordtype">size_t</span> __n, <span class="keyword">const</span> char_type& __a)
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00429"></a>00429 <span class="keywordflow">if</span> (eq(__s[__i], __a))
<a name="l00430"></a>00430 <span class="keywordflow">return</span> __s + __i;
<a name="l00431"></a>00431 <span class="keywordflow">return</span> 0;
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="keyword">static</span> char_type*
<a name="l00435"></a>00435 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00436"></a>00436 {
<a name="l00437"></a>00437 <span class="keywordflow">return</span> (static_cast<char_type*>
<a name="l00438"></a>00438 (__builtin_memmove(__s1, __s2, __n * <span class="keyword">sizeof</span>(char_type))));
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440
<a name="l00441"></a>00441 <span class="keyword">static</span> char_type*
<a name="l00442"></a>00442 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00443"></a>00443 {
<a name="l00444"></a>00444 <span class="keywordflow">return</span> (static_cast<char_type*>
<a name="l00445"></a>00445 (__builtin_memcpy(__s1, __s2, __n * <span class="keyword">sizeof</span>(char_type))));
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keyword">static</span> char_type*
<a name="l00449"></a>00449 assign(char_type* __s, <span class="keywordtype">size_t</span> __n, char_type __a)
<a name="l00450"></a>00450 {
<a name="l00451"></a>00451 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00452"></a>00452 assign(__s[__i], __a);
<a name="l00453"></a>00453 <span class="keywordflow">return</span> __s;
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR char_type
<a name="l00457"></a>00457 to_char_type(<span class="keyword">const</span> int_type& __c)
<a name="l00458"></a>00458 { <span class="keywordflow">return</span> char_type(__c); }
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00461"></a>00461 to_int_type(<span class="keyword">const</span> char_type& __c)
<a name="l00462"></a>00462 { <span class="keywordflow">return</span> int_type(__c); }
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00465"></a>00465 eq_int_type(<span class="keyword">const</span> int_type& __c1, <span class="keyword">const</span> int_type& __c2)
<a name="l00466"></a>00466 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00467"></a>00467
<a name="l00468"></a>00468 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00469"></a>00469 eof()
<a name="l00470"></a>00470 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(-1); }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00473"></a>00473 not_eof(<span class="keyword">const</span> int_type& __c)
<a name="l00474"></a>00474 { <span class="keywordflow">return</span> eq_int_type(__c, eof()) ? 0 : __c; }
<a name="l00475"></a>00475 };
<a name="l00476"></a>00476
<a name="l00477"></a>00477 <span class="keyword">template</span><>
<a name="l00478"></a>00478 <span class="keyword">struct </span>char_traits<char32_t>
<a name="l00479"></a>00479 {
<a name="l00480"></a>00480 <span class="keyword">typedef</span> char32_t char_type;
<a name="l00481"></a>00481 <span class="keyword">typedef</span> uint_least32_t int_type;
<a name="l00482"></a>00482 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a48649c5c32f0251572b366063ee93032" title="Type used by fpos, char_traits<char>, and char_traits<wchar_t>.">streamoff</a> off_type;
<a name="l00483"></a>00483 <span class="keyword">typedef</span> <a class="code" href="a01137.html#a195e60ba4b6b786c2e0182d06c2ebbbb" title="File position for char32_t streams.">u32streampos</a> pos_type;
<a name="l00484"></a>00484 <span class="keyword">typedef</span> mbstate_t state_type;
<a name="l00485"></a>00485
<a name="l00486"></a>00486 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00487"></a>00487 assign(char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00488"></a>00488 { __c1 = __c2; }
<a name="l00489"></a>00489
<a name="l00490"></a>00490 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00491"></a>00491 eq(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00492"></a>00492 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00493"></a>00493
<a name="l00494"></a>00494 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00495"></a>00495 lt(<span class="keyword">const</span> char_type& __c1, <span class="keyword">const</span> char_type& __c2)
<a name="l00496"></a>00496 { <span class="keywordflow">return</span> __c1 < __c2; }
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00499"></a>00499 compare(<span class="keyword">const</span> char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00502"></a>00502 <span class="keywordflow">if</span> (lt(__s1[__i], __s2[__i]))
<a name="l00503"></a>00503 <span class="keywordflow">return</span> -1;
<a name="l00504"></a>00504 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lt(__s2[__i], __s1[__i]))
<a name="l00505"></a>00505 <span class="keywordflow">return</span> 1;
<a name="l00506"></a>00506 <span class="keywordflow">return</span> 0;
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508
<a name="l00509"></a>00509 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
<a name="l00510"></a>00510 length(<span class="keyword">const</span> char_type* __s)
<a name="l00511"></a>00511 {
<a name="l00512"></a>00512 <span class="keywordtype">size_t</span> __i = 0;
<a name="l00513"></a>00513 <span class="keywordflow">while</span> (!eq(__s[__i], char_type()))
<a name="l00514"></a>00514 ++__i;
<a name="l00515"></a>00515 <span class="keywordflow">return</span> __i;
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517
<a name="l00518"></a>00518 <span class="keyword">static</span> <span class="keyword">const</span> char_type*
<a name="l00519"></a>00519 find(<span class="keyword">const</span> char_type* __s, <span class="keywordtype">size_t</span> __n, <span class="keyword">const</span> char_type& __a)
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00522"></a>00522 <span class="keywordflow">if</span> (eq(__s[__i], __a))
<a name="l00523"></a>00523 <span class="keywordflow">return</span> __s + __i;
<a name="l00524"></a>00524 <span class="keywordflow">return</span> 0;
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526
<a name="l00527"></a>00527 <span class="keyword">static</span> char_type*
<a name="l00528"></a>00528 move(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00529"></a>00529 {
<a name="l00530"></a>00530 <span class="keywordflow">return</span> (static_cast<char_type*>
<a name="l00531"></a>00531 (__builtin_memmove(__s1, __s2, __n * <span class="keyword">sizeof</span>(char_type))));
<a name="l00532"></a>00532 }
<a name="l00533"></a>00533
<a name="l00534"></a>00534 <span class="keyword">static</span> char_type*
<a name="l00535"></a>00535 copy(char_type* __s1, <span class="keyword">const</span> char_type* __s2, <span class="keywordtype">size_t</span> __n)
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordflow">return</span> (static_cast<char_type*>
<a name="l00538"></a>00538 (__builtin_memcpy(__s1, __s2, __n * <span class="keyword">sizeof</span>(char_type))));
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <span class="keyword">static</span> char_type*
<a name="l00542"></a>00542 assign(char_type* __s, <span class="keywordtype">size_t</span> __n, char_type __a)
<a name="l00543"></a>00543 {
<a name="l00544"></a>00544 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i < __n; ++__i)
<a name="l00545"></a>00545 assign(__s[__i], __a);
<a name="l00546"></a>00546 <span class="keywordflow">return</span> __s;
<a name="l00547"></a>00547 }
<a name="l00548"></a>00548
<a name="l00549"></a>00549 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR char_type
<a name="l00550"></a>00550 to_char_type(<span class="keyword">const</span> int_type& __c)
<a name="l00551"></a>00551 { <span class="keywordflow">return</span> char_type(__c); }
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00554"></a>00554 to_int_type(<span class="keyword">const</span> char_type& __c)
<a name="l00555"></a>00555 { <span class="keywordflow">return</span> int_type(__c); }
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR <span class="keywordtype">bool</span>
<a name="l00558"></a>00558 eq_int_type(<span class="keyword">const</span> int_type& __c1, <span class="keyword">const</span> int_type& __c2)
<a name="l00559"></a>00559 { <span class="keywordflow">return</span> __c1 == __c2; }
<a name="l00560"></a>00560
<a name="l00561"></a>00561 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00562"></a>00562 eof()
<a name="l00563"></a>00563 { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int_type<span class="keyword">></span>(-1); }
<a name="l00564"></a>00564
<a name="l00565"></a>00565 <span class="keyword">static</span> _GLIBCXX_CONSTEXPR int_type
<a name="l00566"></a>00566 not_eof(<span class="keyword">const</span> int_type& __c)
<a name="l00567"></a>00567 { <span class="keywordflow">return</span> eq_int_type(__c, eof()) ? 0 : __c; }
<a name="l00568"></a>00568 };
<a name="l00569"></a>00569
<a name="l00570"></a>00570 _GLIBCXX_END_NAMESPACE_VERSION
<a name="l00571"></a>00571 } <span class="comment">// namespace</span>
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="preprocessor">#endif </span>
<a name="l00574"></a>00574 <span class="preprocessor"></span>
<a name="l00575"></a>00575 <span class="preprocessor">#endif // _CHAR_TRAITS_H</span>
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