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67 <div id=
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69 <div class=
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70 <div class=
"title">utf.hpp
</div> </div>
72 <div class=
"contents">
73 <div class=
"fragment"><div class=
"line"><a name=
"l00001"></a><span class=
"lineno"> 1</span> <span class=
"comment">//
</span></div>
74 <div class=
"line"><a name=
"l00002"></a><span class=
"lineno"> 2</span> <span class=
"comment">// Copyright (c)
2009-
2011 Artyom Beilis (Tonkikh)
</span></div>
75 <div class=
"line"><a name=
"l00003"></a><span class=
"lineno"> 3</span> <span class=
"comment">//
</span></div>
76 <div class=
"line"><a name=
"l00004"></a><span class=
"lineno"> 4</span> <span class=
"comment">// Distributed under the Boost Software License, Version
1.0. (See
</span></div>
77 <div class=
"line"><a name=
"l00005"></a><span class=
"lineno"> 5</span> <span class=
"comment">// accompanying file LICENSE_1_0.txt or copy at
</span></div>
78 <div class=
"line"><a name=
"l00006"></a><span class=
"lineno"> 6</span> <span class=
"comment">// http://www.boost.org/LICENSE_1_0.txt)
</span></div>
79 <div class=
"line"><a name=
"l00007"></a><span class=
"lineno"> 7</span> <span class=
"comment">//
</span></div>
80 <div class=
"line"><a name=
"l00008"></a><span class=
"lineno"> 8</span> <span class=
"preprocessor">#ifndef BOOST_LOCALE_UTF_HPP_INCLUDED
</span></div>
81 <div class=
"line"><a name=
"l00009"></a><span class=
"lineno"> 9</span> <span class=
"preprocessor"></span><span class=
"preprocessor">#define BOOST_LOCALE_UTF_HPP_INCLUDED
</span></div>
82 <div class=
"line"><a name=
"l00010"></a><span class=
"lineno"> 10</span> <span class=
"preprocessor"></span></div>
83 <div class=
"line"><a name=
"l00011"></a><span class=
"lineno"> 11</span> <span class=
"preprocessor">#include
<boost/cstdint.hpp
></span></div>
84 <div class=
"line"><a name=
"l00012"></a><span class=
"lineno"> 12</span> </div>
85 <div class=
"line"><a name=
"l00013"></a><span class=
"lineno"> 13</span> <span class=
"keyword">namespace
</span>boost {
</div>
86 <div class=
"line"><a name=
"l00014"></a><span class=
"lineno"> 14</span> <span class=
"keyword">namespace
</span>locale {
</div>
87 <div class=
"line"><a name=
"l00020"></a><span class=
"lineno"><a class=
"line" href=
"namespaceboost_1_1locale_1_1utf.html"> 20</a></span> <span class=
"keyword">namespace
</span>utf {
</div>
88 <div class=
"line"><a name=
"l00022"></a><span class=
"lineno"> 22</span> <span class=
"preprocessor"> #ifdef __GNUC__
</span></div>
89 <div class=
"line"><a name=
"l00023"></a><span class=
"lineno"> 23</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> # define BOOST_LOCALE_LIKELY(x) __builtin_expect((x),
1)
</span></div>
90 <div class=
"line"><a name=
"l00024"></a><span class=
"lineno"> 24</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> # define BOOST_LOCALE_UNLIKELY(x) __builtin_expect((x),
0)
</span></div>
91 <div class=
"line"><a name=
"l00025"></a><span class=
"lineno"> 25</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> #else
</span></div>
92 <div class=
"line"><a name=
"l00026"></a><span class=
"lineno"> 26</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> # define BOOST_LOCALE_LIKELY(x) (x)
</span></div>
93 <div class=
"line"><a name=
"l00027"></a><span class=
"lineno"> 27</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> # define BOOST_LOCALE_UNLIKELY(x) (x)
</span></div>
94 <div class=
"line"><a name=
"l00028"></a><span class=
"lineno"> 28</span> <span class=
"preprocessor"></span><span class=
"preprocessor"> #endif
</span></div>
95 <div class=
"line"><a name=
"l00029"></a><span class=
"lineno"> 29</span> <span class=
"preprocessor"></span></div>
96 <div class=
"line"><a name=
"l00034"></a><span class=
"lineno"><a class=
"line" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8"> 34</a></span>  <span class=
"keyword">typedef
</span> uint32_t
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a>;
</div>
97 <div class=
"line"><a name=
"l00035"></a><span class=
"lineno"> 35</span> </div>
98 <div class=
"line"><a name=
"l00039"></a><span class=
"lineno"><a class=
"line" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb"> 39</a></span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a> =
0xFFFFFFFFu;
</div>
99 <div class=
"line"><a name=
"l00040"></a><span class=
"lineno"> 40</span> </div>
100 <div class=
"line"><a name=
"l00044"></a><span class=
"lineno"><a class=
"line" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38"> 44</a></span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a> =
0xFFFFFFFEu;
</div>
101 <div class=
"line"><a name=
"l00045"></a><span class=
"lineno"> 45</span> </div>
102 <div class=
"line"><a name=
"l00049"></a><span class=
"lineno"><a class=
"line" href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e"> 49</a></span>  <span class=
"keyword">inline
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">is_valid_codepoint
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> v)
</div>
103 <div class=
"line"><a name=
"l00050"></a><span class=
"lineno"> 50</span>  {
</div>
104 <div class=
"line"><a name=
"l00051"></a><span class=
"lineno"> 51</span>  <span class=
"keywordflow">if
</span>(v
>0x10FFFF)
</div>
105 <div class=
"line"><a name=
"l00052"></a><span class=
"lineno"> 52</span>  <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
</div>
106 <div class=
"line"><a name=
"l00053"></a><span class=
"lineno"> 53</span>  <span class=
"keywordflow">if
</span>(
0xD800 <=v
&& v
<=
0xDFFF)
<span class=
"comment">// surragates
</span></div>
107 <div class=
"line"><a name=
"l00054"></a><span class=
"lineno"> 54</span>  <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
</div>
108 <div class=
"line"><a name=
"l00055"></a><span class=
"lineno"> 55</span>  <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
</div>
109 <div class=
"line"><a name=
"l00056"></a><span class=
"lineno"> 56</span>  }
</div>
110 <div class=
"line"><a name=
"l00057"></a><span class=
"lineno"> 57</span> </div>
111 <div class=
"line"><a name=
"l00058"></a><span class=
"lineno"> 58</span> <span class=
"preprocessor"> #ifdef BOOST_LOCALE_DOXYGEN
</span></div>
112 <div class=
"line"><a name=
"l00059"></a><span class=
"lineno"> 59</span> <span class=
"preprocessor"></span> <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> CharType,
<span class=
"keywordtype">int
</span> size=sizeof(CharType)
></div>
113 <div class=
"line"><a name=
"l00063"></a><span class=
"lineno"><a class=
"line" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html"> 63</a></span>  <span class=
"keyword">struct
</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html">utf_traits
</a> {
</div>
114 <div class=
"line"><a name=
"l00067"></a><span class=
"lineno"><a class=
"line" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4"> 67</a></span>  <span class=
"keyword">typedef
</span> CharType
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a>;
</div>
115 <div class=
"line"><a name=
"l00082"></a><span class=
"lineno"> 82</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
116 <div class=
"line"><a name=
"l00083"></a><span class=
"lineno"> 83</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">decode
</a>(Iterator
&p,Iterator e);
</div>
117 <div class=
"line"><a name=
"l00084"></a><span class=
"lineno"> 84</span> </div>
118 <div class=
"line"><a name=
"l00092"></a><span class=
"lineno"><a class=
"line" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13"> 92</a></span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13">max_width
</a>;
</div>
119 <div class=
"line"><a name=
"l00099"></a><span class=
"lineno"> 99</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">width
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> value);
</div>
120 <div class=
"line"><a name=
"l00100"></a><span class=
"lineno"> 100</span> </div>
121 <div class=
"line"><a name=
"l00106"></a><span class=
"lineno"> 106</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">trail_length
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c);
</div>
122 <div class=
"line"><a name=
"l00110"></a><span class=
"lineno"> 110</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c);
</div>
123 <div class=
"line"><a name=
"l00114"></a><span class=
"lineno"> 114</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a19789c4c26c8d9f576de5272f3d41a11">is_lead
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c);
</div>
124 <div class=
"line"><a name=
"l00115"></a><span class=
"lineno"> 115</span> </div>
125 <div class=
"line"><a name=
"l00126"></a><span class=
"lineno"> 126</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
126 <div class=
"line"><a name=
"l00127"></a><span class=
"lineno"> 127</span>  <span class=
"keyword">static
</span> Iterator
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">encode
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> value,Iterator out);
</div>
127 <div class=
"line"><a name=
"l00133"></a><span class=
"lineno"> 133</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
128 <div class=
"line"><a name=
"l00134"></a><span class=
"lineno"> 134</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8ff625b2c19b0d4132f7ec9e6303cb36">decode_valid
</a>(Iterator
&p);
</div>
129 <div class=
"line"><a name=
"l00135"></a><span class=
"lineno"> 135</span>  };
</div>
130 <div class=
"line"><a name=
"l00136"></a><span class=
"lineno"> 136</span>  </div>
131 <div class=
"line"><a name=
"l00137"></a><span class=
"lineno"> 137</span> <span class=
"preprocessor"> #else
</span></div>
132 <div class=
"line"><a name=
"l00138"></a><span class=
"lineno"> 138</span> <span class=
"preprocessor"></span></div>
133 <div class=
"line"><a name=
"l00139"></a><span class=
"lineno"> 139</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> CharType,
<span class=
"keywordtype">int
</span> size=sizeof(CharType)
></div>
134 <div class=
"line"><a name=
"l00140"></a><span class=
"lineno"> 140</span>  <span class=
"keyword">struct
</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html">utf_traits
</a>;
</div>
135 <div class=
"line"><a name=
"l00141"></a><span class=
"lineno"> 141</span> </div>
136 <div class=
"line"><a name=
"l00142"></a><span class=
"lineno"> 142</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> CharType
></div>
137 <div class=
"line"><a name=
"l00143"></a><span class=
"lineno"> 143</span>  <span class=
"keyword">struct
</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html">utf_traits
</a><CharType,
1> {
</div>
138 <div class=
"line"><a name=
"l00144"></a><span class=
"lineno"> 144</span> </div>
139 <div class=
"line"><a name=
"l00145"></a><span class=
"lineno"> 145</span>  <span class=
"keyword">typedef
</span> CharType
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a>;
</div>
140 <div class=
"line"><a name=
"l00146"></a><span class=
"lineno"> 146</span>  </div>
141 <div class=
"line"><a name=
"l00147"></a><span class=
"lineno"> 147</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">trail_length
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> ci)
</div>
142 <div class=
"line"><a name=
"l00148"></a><span class=
"lineno"> 148</span>  {
</div>
143 <div class=
"line"><a name=
"l00149"></a><span class=
"lineno"> 149</span>  <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span> c = ci;
</div>
144 <div class=
"line"><a name=
"l00150"></a><span class=
"lineno"> 150</span>  <span class=
"keywordflow">if
</span>(c
< 128)
</div>
145 <div class=
"line"><a name=
"l00151"></a><span class=
"lineno"> 151</span>  <span class=
"keywordflow">return
</span> 0;
</div>
146 <div class=
"line"><a name=
"l00152"></a><span class=
"lineno"> 152</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(c
< 194))
</div>
147 <div class=
"line"><a name=
"l00153"></a><span class=
"lineno"> 153</span>  <span class=
"keywordflow">return
</span> -
1;
</div>
148 <div class=
"line"><a name=
"l00154"></a><span class=
"lineno"> 154</span>  <span class=
"keywordflow">if
</span>(c
< 224)
</div>
149 <div class=
"line"><a name=
"l00155"></a><span class=
"lineno"> 155</span>  <span class=
"keywordflow">return
</span> 1;
</div>
150 <div class=
"line"><a name=
"l00156"></a><span class=
"lineno"> 156</span>  <span class=
"keywordflow">if
</span>(c
< 240)
</div>
151 <div class=
"line"><a name=
"l00157"></a><span class=
"lineno"> 157</span>  <span class=
"keywordflow">return
</span> 2;
</div>
152 <div class=
"line"><a name=
"l00158"></a><span class=
"lineno"> 158</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(c
<=
244))
</div>
153 <div class=
"line"><a name=
"l00159"></a><span class=
"lineno"> 159</span>  <span class=
"keywordflow">return
</span> 3;
</div>
154 <div class=
"line"><a name=
"l00160"></a><span class=
"lineno"> 160</span>  <span class=
"keywordflow">return
</span> -
1;
</div>
155 <div class=
"line"><a name=
"l00161"></a><span class=
"lineno"> 161</span>  }
</div>
156 <div class=
"line"><a name=
"l00162"></a><span class=
"lineno"> 162</span>  </div>
157 <div class=
"line"><a name=
"l00163"></a><span class=
"lineno"> 163</span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13">max_width
</a> =
4;
</div>
158 <div class=
"line"><a name=
"l00164"></a><span class=
"lineno"> 164</span> </div>
159 <div class=
"line"><a name=
"l00165"></a><span class=
"lineno"> 165</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">width
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> value)
</div>
160 <div class=
"line"><a name=
"l00166"></a><span class=
"lineno"> 166</span>  {
</div>
161 <div class=
"line"><a name=
"l00167"></a><span class=
"lineno"> 167</span>  <span class=
"keywordflow">if
</span>(value
<=
0x7F) {
</div>
162 <div class=
"line"><a name=
"l00168"></a><span class=
"lineno"> 168</span>  <span class=
"keywordflow">return
</span> 1;
</div>
163 <div class=
"line"><a name=
"l00169"></a><span class=
"lineno"> 169</span>  }
</div>
164 <div class=
"line"><a name=
"l00170"></a><span class=
"lineno"> 170</span>  <span class=
"keywordflow">else
</span> <span class=
"keywordflow">if
</span>(value
<=
0x7FF) {
</div>
165 <div class=
"line"><a name=
"l00171"></a><span class=
"lineno"> 171</span>  <span class=
"keywordflow">return
</span> 2;
</div>
166 <div class=
"line"><a name=
"l00172"></a><span class=
"lineno"> 172</span>  }
</div>
167 <div class=
"line"><a name=
"l00173"></a><span class=
"lineno"> 173</span>  <span class=
"keywordflow">else
</span> <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(value
<=
0xFFFF)) {
</div>
168 <div class=
"line"><a name=
"l00174"></a><span class=
"lineno"> 174</span>  <span class=
"keywordflow">return
</span> 3;
</div>
169 <div class=
"line"><a name=
"l00175"></a><span class=
"lineno"> 175</span>  }
</div>
170 <div class=
"line"><a name=
"l00176"></a><span class=
"lineno"> 176</span>  <span class=
"keywordflow">else
</span> {
</div>
171 <div class=
"line"><a name=
"l00177"></a><span class=
"lineno"> 177</span>  <span class=
"keywordflow">return
</span> 4;
</div>
172 <div class=
"line"><a name=
"l00178"></a><span class=
"lineno"> 178</span>  }
</div>
173 <div class=
"line"><a name=
"l00179"></a><span class=
"lineno"> 179</span>  }
</div>
174 <div class=
"line"><a name=
"l00180"></a><span class=
"lineno"> 180</span> </div>
175 <div class=
"line"><a name=
"l00181"></a><span class=
"lineno"> 181</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> ci)
</div>
176 <div class=
"line"><a name=
"l00182"></a><span class=
"lineno"> 182</span>  {
</div>
177 <div class=
"line"><a name=
"l00183"></a><span class=
"lineno"> 183</span>  <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span> c=ci;
</div>
178 <div class=
"line"><a name=
"l00184"></a><span class=
"lineno"> 184</span>  <span class=
"keywordflow">return
</span> (c
& 0xC0)==
0x80;
</div>
179 <div class=
"line"><a name=
"l00185"></a><span class=
"lineno"> 185</span>  }
</div>
180 <div class=
"line"><a name=
"l00186"></a><span class=
"lineno"> 186</span> </div>
181 <div class=
"line"><a name=
"l00187"></a><span class=
"lineno"> 187</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a19789c4c26c8d9f576de5272f3d41a11">is_lead
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> ci)
</div>
182 <div class=
"line"><a name=
"l00188"></a><span class=
"lineno"> 188</span>  {
</div>
183 <div class=
"line"><a name=
"l00189"></a><span class=
"lineno"> 189</span>  <span class=
"keywordflow">return
</span> !
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(ci);
</div>
184 <div class=
"line"><a name=
"l00190"></a><span class=
"lineno"> 190</span>  }
</div>
185 <div class=
"line"><a name=
"l00191"></a><span class=
"lineno"> 191</span>  </div>
186 <div class=
"line"><a name=
"l00192"></a><span class=
"lineno"> 192</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
187 <div class=
"line"><a name=
"l00193"></a><span class=
"lineno"> 193</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">decode
</a>(Iterator
&p,Iterator e)
</div>
188 <div class=
"line"><a name=
"l00194"></a><span class=
"lineno"> 194</span>  {
</div>
189 <div class=
"line"><a name=
"l00195"></a><span class=
"lineno"> 195</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(p==e))
</div>
190 <div class=
"line"><a name=
"l00196"></a><span class=
"lineno"> 196</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
191 <div class=
"line"><a name=
"l00197"></a><span class=
"lineno"> 197</span> </div>
192 <div class=
"line"><a name=
"l00198"></a><span class=
"lineno"> 198</span>  <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span> lead = *p++;
</div>
193 <div class=
"line"><a name=
"l00199"></a><span class=
"lineno"> 199</span> </div>
194 <div class=
"line"><a name=
"l00200"></a><span class=
"lineno"> 200</span>  <span class=
"comment">// First byte is fully validated here
</span></div>
195 <div class=
"line"><a name=
"l00201"></a><span class=
"lineno"> 201</span>  <span class=
"keywordtype">int
</span> trail_size =
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">trail_length
</a>(lead);
</div>
196 <div class=
"line"><a name=
"l00202"></a><span class=
"lineno"> 202</span> </div>
197 <div class=
"line"><a name=
"l00203"></a><span class=
"lineno"> 203</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(trail_size
< 0))
</div>
198 <div class=
"line"><a name=
"l00204"></a><span class=
"lineno"> 204</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
199 <div class=
"line"><a name=
"l00205"></a><span class=
"lineno"> 205</span> </div>
200 <div class=
"line"><a name=
"l00206"></a><span class=
"lineno"> 206</span>  <span class=
"comment">//
</span></div>
201 <div class=
"line"><a name=
"l00207"></a><span class=
"lineno"> 207</span>  <span class=
"comment">// Ok as only ASCII may be of size =
0</span></div>
202 <div class=
"line"><a name=
"l00208"></a><span class=
"lineno"> 208</span>  <span class=
"comment">// also optimize for ASCII text
</span></div>
203 <div class=
"line"><a name=
"l00209"></a><span class=
"lineno"> 209</span>  <span class=
"comment">//
</span></div>
204 <div class=
"line"><a name=
"l00210"></a><span class=
"lineno"> 210</span>  <span class=
"keywordflow">if
</span>(trail_size ==
0)
</div>
205 <div class=
"line"><a name=
"l00211"></a><span class=
"lineno"> 211</span>  <span class=
"keywordflow">return
</span> lead;
</div>
206 <div class=
"line"><a name=
"l00212"></a><span class=
"lineno"> 212</span>  </div>
207 <div class=
"line"><a name=
"l00213"></a><span class=
"lineno"> 213</span>  <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> c = lead
& ((
1<<(
6-trail_size))-
1);
</div>
208 <div class=
"line"><a name=
"l00214"></a><span class=
"lineno"> 214</span> </div>
209 <div class=
"line"><a name=
"l00215"></a><span class=
"lineno"> 215</span>  <span class=
"comment">// Read the rest
</span></div>
210 <div class=
"line"><a name=
"l00216"></a><span class=
"lineno"> 216</span>  <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span> tmp;
</div>
211 <div class=
"line"><a name=
"l00217"></a><span class=
"lineno"> 217</span>  <span class=
"keywordflow">switch
</span>(trail_size) {
</div>
212 <div class=
"line"><a name=
"l00218"></a><span class=
"lineno"> 218</span>  <span class=
"keywordflow">case
</span> 3:
</div>
213 <div class=
"line"><a name=
"l00219"></a><span class=
"lineno"> 219</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(p==e))
</div>
214 <div class=
"line"><a name=
"l00220"></a><span class=
"lineno"> 220</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
215 <div class=
"line"><a name=
"l00221"></a><span class=
"lineno"> 221</span>  tmp = *p++;
</div>
216 <div class=
"line"><a name=
"l00222"></a><span class=
"lineno"> 222</span>  <span class=
"keywordflow">if
</span> (!
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(tmp))
</div>
217 <div class=
"line"><a name=
"l00223"></a><span class=
"lineno"> 223</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
218 <div class=
"line"><a name=
"l00224"></a><span class=
"lineno"> 224</span>  c = (c
<< 6) | ( tmp
& 0x3F);
</div>
219 <div class=
"line"><a name=
"l00225"></a><span class=
"lineno"> 225</span>  <span class=
"keywordflow">case
</span> 2:
</div>
220 <div class=
"line"><a name=
"l00226"></a><span class=
"lineno"> 226</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(p==e))
</div>
221 <div class=
"line"><a name=
"l00227"></a><span class=
"lineno"> 227</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
222 <div class=
"line"><a name=
"l00228"></a><span class=
"lineno"> 228</span>  tmp = *p++;
</div>
223 <div class=
"line"><a name=
"l00229"></a><span class=
"lineno"> 229</span>  <span class=
"keywordflow">if
</span> (!
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(tmp))
</div>
224 <div class=
"line"><a name=
"l00230"></a><span class=
"lineno"> 230</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
225 <div class=
"line"><a name=
"l00231"></a><span class=
"lineno"> 231</span>  c = (c
<< 6) | ( tmp
& 0x3F);
</div>
226 <div class=
"line"><a name=
"l00232"></a><span class=
"lineno"> 232</span>  <span class=
"keywordflow">case
</span> 1:
</div>
227 <div class=
"line"><a name=
"l00233"></a><span class=
"lineno"> 233</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(p==e))
</div>
228 <div class=
"line"><a name=
"l00234"></a><span class=
"lineno"> 234</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
229 <div class=
"line"><a name=
"l00235"></a><span class=
"lineno"> 235</span>  tmp = *p++;
</div>
230 <div class=
"line"><a name=
"l00236"></a><span class=
"lineno"> 236</span>  <span class=
"keywordflow">if
</span> (!
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(tmp))
</div>
231 <div class=
"line"><a name=
"l00237"></a><span class=
"lineno"> 237</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
232 <div class=
"line"><a name=
"l00238"></a><span class=
"lineno"> 238</span>  c = (c
<< 6) | ( tmp
& 0x3F);
</div>
233 <div class=
"line"><a name=
"l00239"></a><span class=
"lineno"> 239</span>  }
</div>
234 <div class=
"line"><a name=
"l00240"></a><span class=
"lineno"> 240</span> </div>
235 <div class=
"line"><a name=
"l00241"></a><span class=
"lineno"> 241</span>  <span class=
"comment">// Check code point validity: no surrogates and
</span></div>
236 <div class=
"line"><a name=
"l00242"></a><span class=
"lineno"> 242</span>  <span class=
"comment">// valid range
</span></div>
237 <div class=
"line"><a name=
"l00243"></a><span class=
"lineno"> 243</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(!
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">is_valid_codepoint
</a>(c)))
</div>
238 <div class=
"line"><a name=
"l00244"></a><span class=
"lineno"> 244</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
239 <div class=
"line"><a name=
"l00245"></a><span class=
"lineno"> 245</span> </div>
240 <div class=
"line"><a name=
"l00246"></a><span class=
"lineno"> 246</span>  <span class=
"comment">// make sure it is the most compact representation
</span></div>
241 <div class=
"line"><a name=
"l00247"></a><span class=
"lineno"> 247</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">width
</a>(c)!=trail_size +
1))
</div>
242 <div class=
"line"><a name=
"l00248"></a><span class=
"lineno"> 248</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
243 <div class=
"line"><a name=
"l00249"></a><span class=
"lineno"> 249</span> </div>
244 <div class=
"line"><a name=
"l00250"></a><span class=
"lineno"> 250</span>  <span class=
"keywordflow">return
</span> c;
</div>
245 <div class=
"line"><a name=
"l00251"></a><span class=
"lineno"> 251</span> </div>
246 <div class=
"line"><a name=
"l00252"></a><span class=
"lineno"> 252</span>  }
</div>
247 <div class=
"line"><a name=
"l00253"></a><span class=
"lineno"> 253</span>  </div>
248 <div class=
"line"><a name=
"l00254"></a><span class=
"lineno"> 254</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
249 <div class=
"line"><a name=
"l00255"></a><span class=
"lineno"> 255</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8ff625b2c19b0d4132f7ec9e6303cb36">decode_valid
</a>(Iterator
&p)
</div>
250 <div class=
"line"><a name=
"l00256"></a><span class=
"lineno"> 256</span>  {
</div>
251 <div class=
"line"><a name=
"l00257"></a><span class=
"lineno"> 257</span>  <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span> lead = *p++;
</div>
252 <div class=
"line"><a name=
"l00258"></a><span class=
"lineno"> 258</span>  <span class=
"keywordflow">if
</span>(lead
< 192)
</div>
253 <div class=
"line"><a name=
"l00259"></a><span class=
"lineno"> 259</span>  <span class=
"keywordflow">return
</span> lead;
</div>
254 <div class=
"line"><a name=
"l00260"></a><span class=
"lineno"> 260</span> </div>
255 <div class=
"line"><a name=
"l00261"></a><span class=
"lineno"> 261</span>  <span class=
"keywordtype">int
</span> trail_size;
</div>
256 <div class=
"line"><a name=
"l00262"></a><span class=
"lineno"> 262</span> </div>
257 <div class=
"line"><a name=
"l00263"></a><span class=
"lineno"> 263</span>  <span class=
"keywordflow">if
</span>(lead
< 224)
</div>
258 <div class=
"line"><a name=
"l00264"></a><span class=
"lineno"> 264</span>  trail_size =
1;
</div>
259 <div class=
"line"><a name=
"l00265"></a><span class=
"lineno"> 265</span>  <span class=
"keywordflow">else
</span> <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(lead
< 240))
<span class=
"comment">// non-BMP rare
</span></div>
260 <div class=
"line"><a name=
"l00266"></a><span class=
"lineno"> 266</span>  trail_size =
2;
</div>
261 <div class=
"line"><a name=
"l00267"></a><span class=
"lineno"> 267</span>  <span class=
"keywordflow">else
</span></div>
262 <div class=
"line"><a name=
"l00268"></a><span class=
"lineno"> 268</span>  trail_size =
3;
</div>
263 <div class=
"line"><a name=
"l00269"></a><span class=
"lineno"> 269</span>  </div>
264 <div class=
"line"><a name=
"l00270"></a><span class=
"lineno"> 270</span>  <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> c = lead
& ((
1<<(
6-trail_size))-
1);
</div>
265 <div class=
"line"><a name=
"l00271"></a><span class=
"lineno"> 271</span> </div>
266 <div class=
"line"><a name=
"l00272"></a><span class=
"lineno"> 272</span>  <span class=
"keywordflow">switch
</span>(trail_size) {
</div>
267 <div class=
"line"><a name=
"l00273"></a><span class=
"lineno"> 273</span>  <span class=
"keywordflow">case
</span> 3:
</div>
268 <div class=
"line"><a name=
"l00274"></a><span class=
"lineno"> 274</span>  c = (c
<< 6) | ( static_cast
<unsigned char
>(*p++)
& 0x3F);
</div>
269 <div class=
"line"><a name=
"l00275"></a><span class=
"lineno"> 275</span>  <span class=
"keywordflow">case
</span> 2:
</div>
270 <div class=
"line"><a name=
"l00276"></a><span class=
"lineno"> 276</span>  c = (c
<< 6) | ( static_cast
<unsigned char
>(*p++)
& 0x3F);
</div>
271 <div class=
"line"><a name=
"l00277"></a><span class=
"lineno"> 277</span>  <span class=
"keywordflow">case
</span> 1:
</div>
272 <div class=
"line"><a name=
"l00278"></a><span class=
"lineno"> 278</span>  c = (c
<< 6) | ( static_cast
<unsigned char
>(*p++)
& 0x3F);
</div>
273 <div class=
"line"><a name=
"l00279"></a><span class=
"lineno"> 279</span>  }
</div>
274 <div class=
"line"><a name=
"l00280"></a><span class=
"lineno"> 280</span> </div>
275 <div class=
"line"><a name=
"l00281"></a><span class=
"lineno"> 281</span>  <span class=
"keywordflow">return
</span> c;
</div>
276 <div class=
"line"><a name=
"l00282"></a><span class=
"lineno"> 282</span>  }
</div>
277 <div class=
"line"><a name=
"l00283"></a><span class=
"lineno"> 283</span> </div>
278 <div class=
"line"><a name=
"l00284"></a><span class=
"lineno"> 284</span> </div>
279 <div class=
"line"><a name=
"l00285"></a><span class=
"lineno"> 285</span> </div>
280 <div class=
"line"><a name=
"l00286"></a><span class=
"lineno"> 286</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Iterator
></div>
281 <div class=
"line"><a name=
"l00287"></a><span class=
"lineno"> 287</span>  <span class=
"keyword">static
</span> Iterator
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">encode
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> value,Iterator out)
</div>
282 <div class=
"line"><a name=
"l00288"></a><span class=
"lineno"> 288</span>  {
</div>
283 <div class=
"line"><a name=
"l00289"></a><span class=
"lineno"> 289</span>  <span class=
"keywordflow">if
</span>(value
<=
0x7F) {
</div>
284 <div class=
"line"><a name=
"l00290"></a><span class=
"lineno"> 290</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(value);
</div>
285 <div class=
"line"><a name=
"l00291"></a><span class=
"lineno"> 291</span>  }
</div>
286 <div class=
"line"><a name=
"l00292"></a><span class=
"lineno"> 292</span>  <span class=
"keywordflow">else
</span> <span class=
"keywordflow">if
</span>(value
<=
0x7FF) {
</div>
287 <div class=
"line"><a name=
"l00293"></a><span class=
"lineno"> 293</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
>> 6) |
0xC0);
</div>
288 <div class=
"line"><a name=
"l00294"></a><span class=
"lineno"> 294</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
& 0x3F) |
0x80);
</div>
289 <div class=
"line"><a name=
"l00295"></a><span class=
"lineno"> 295</span>  }
</div>
290 <div class=
"line"><a name=
"l00296"></a><span class=
"lineno"> 296</span>  <span class=
"keywordflow">else
</span> <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(value
<=
0xFFFF)) {
</div>
291 <div class=
"line"><a name=
"l00297"></a><span class=
"lineno"> 297</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
>> 12) |
0xE0);
</div>
292 <div class=
"line"><a name=
"l00298"></a><span class=
"lineno"> 298</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(((value
>> 6)
& 0x3F) |
0x80);
</div>
293 <div class=
"line"><a name=
"l00299"></a><span class=
"lineno"> 299</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
& 0x3F) |
0x80);
</div>
294 <div class=
"line"><a name=
"l00300"></a><span class=
"lineno"> 300</span>  }
</div>
295 <div class=
"line"><a name=
"l00301"></a><span class=
"lineno"> 301</span>  <span class=
"keywordflow">else
</span> {
</div>
296 <div class=
"line"><a name=
"l00302"></a><span class=
"lineno"> 302</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
>> 18) |
0xF0);
</div>
297 <div class=
"line"><a name=
"l00303"></a><span class=
"lineno"> 303</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(((value
>> 12)
& 0x3F) |
0x80);
</div>
298 <div class=
"line"><a name=
"l00304"></a><span class=
"lineno"> 304</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(((value
>> 6)
& 0x3F) |
0x80);
</div>
299 <div class=
"line"><a name=
"l00305"></a><span class=
"lineno"> 305</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>((value
& 0x3F) |
0x80);
</div>
300 <div class=
"line"><a name=
"l00306"></a><span class=
"lineno"> 306</span>  }
</div>
301 <div class=
"line"><a name=
"l00307"></a><span class=
"lineno"> 307</span>  <span class=
"keywordflow">return
</span> out;
</div>
302 <div class=
"line"><a name=
"l00308"></a><span class=
"lineno"> 308</span>  }
</div>
303 <div class=
"line"><a name=
"l00309"></a><span class=
"lineno"> 309</span>  };
<span class=
"comment">// utf8
</span></div>
304 <div class=
"line"><a name=
"l00310"></a><span class=
"lineno"> 310</span> </div>
305 <div class=
"line"><a name=
"l00311"></a><span class=
"lineno"> 311</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> CharType
></div>
306 <div class=
"line"><a name=
"l00312"></a><span class=
"lineno"> 312</span>  <span class=
"keyword">struct
</span>utf_traits
<CharType,
2> {
</div>
307 <div class=
"line"><a name=
"l00313"></a><span class=
"lineno"> 313</span>  <span class=
"keyword">typedef
</span> CharType
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a>;
</div>
308 <div class=
"line"><a name=
"l00314"></a><span class=
"lineno"> 314</span> </div>
309 <div class=
"line"><a name=
"l00315"></a><span class=
"lineno"> 315</span>  <span class=
"comment">// See RFC
2781</span></div>
310 <div class=
"line"><a name=
"l00316"></a><span class=
"lineno"> 316</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> is_first_surrogate(uint16_t x)
</div>
311 <div class=
"line"><a name=
"l00317"></a><span class=
"lineno"> 317</span>  {
</div>
312 <div class=
"line"><a name=
"l00318"></a><span class=
"lineno"> 318</span>  <span class=
"keywordflow">return
</span> 0xD800 <=x
&& x
<=
0xDBFF;
</div>
313 <div class=
"line"><a name=
"l00319"></a><span class=
"lineno"> 319</span>  }
</div>
314 <div class=
"line"><a name=
"l00320"></a><span class=
"lineno"> 320</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> is_second_surrogate(uint16_t x)
</div>
315 <div class=
"line"><a name=
"l00321"></a><span class=
"lineno"> 321</span>  {
</div>
316 <div class=
"line"><a name=
"l00322"></a><span class=
"lineno"> 322</span>  <span class=
"keywordflow">return
</span> 0xDC00 <=x
&& x
<=
0xDFFF;
</div>
317 <div class=
"line"><a name=
"l00323"></a><span class=
"lineno"> 323</span>  }
</div>
318 <div class=
"line"><a name=
"l00324"></a><span class=
"lineno"> 324</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> combine_surrogate(uint16_t w1,uint16_t w2)
</div>
319 <div class=
"line"><a name=
"l00325"></a><span class=
"lineno"> 325</span>  {
</div>
320 <div class=
"line"><a name=
"l00326"></a><span class=
"lineno"> 326</span>  <span class=
"keywordflow">return
</span> ((
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a>(w1
& 0x3FF)
<< 10) | (w2
& 0x3FF)) +
0x10000;
</div>
321 <div class=
"line"><a name=
"l00327"></a><span class=
"lineno"> 327</span>  }
</div>
322 <div class=
"line"><a name=
"l00328"></a><span class=
"lineno"> 328</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">trail_length
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c)
</div>
323 <div class=
"line"><a name=
"l00329"></a><span class=
"lineno"> 329</span>  {
</div>
324 <div class=
"line"><a name=
"l00330"></a><span class=
"lineno"> 330</span>  <span class=
"keywordflow">if
</span>(is_first_surrogate(c))
</div>
325 <div class=
"line"><a name=
"l00331"></a><span class=
"lineno"> 331</span>  <span class=
"keywordflow">return
</span> 1;
</div>
326 <div class=
"line"><a name=
"l00332"></a><span class=
"lineno"> 332</span>  <span class=
"keywordflow">if
</span>(is_second_surrogate(c))
</div>
327 <div class=
"line"><a name=
"l00333"></a><span class=
"lineno"> 333</span>  <span class=
"keywordflow">return
</span> -
1;
</div>
328 <div class=
"line"><a name=
"l00334"></a><span class=
"lineno"> 334</span>  <span class=
"keywordflow">return
</span> 0;
</div>
329 <div class=
"line"><a name=
"l00335"></a><span class=
"lineno"> 335</span>  }
</div>
330 <div class=
"line"><a name=
"l00339"></a><span class=
"lineno"> 339</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c)
</div>
331 <div class=
"line"><a name=
"l00340"></a><span class=
"lineno"> 340</span>  {
</div>
332 <div class=
"line"><a name=
"l00341"></a><span class=
"lineno"> 341</span>  <span class=
"keywordflow">return
</span> is_second_surrogate(c);
</div>
333 <div class=
"line"><a name=
"l00342"></a><span class=
"lineno"> 342</span>  }
</div>
334 <div class=
"line"><a name=
"l00346"></a><span class=
"lineno"> 346</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a19789c4c26c8d9f576de5272f3d41a11">is_lead
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c)
</div>
335 <div class=
"line"><a name=
"l00347"></a><span class=
"lineno"> 347</span>  {
</div>
336 <div class=
"line"><a name=
"l00348"></a><span class=
"lineno"> 348</span>  <span class=
"keywordflow">return
</span> !is_second_surrogate(c);
</div>
337 <div class=
"line"><a name=
"l00349"></a><span class=
"lineno"> 349</span>  }
</div>
338 <div class=
"line"><a name=
"l00350"></a><span class=
"lineno"> 350</span> </div>
339 <div class=
"line"><a name=
"l00351"></a><span class=
"lineno"> 351</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
340 <div class=
"line"><a name=
"l00352"></a><span class=
"lineno"> 352</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">decode
</a>(It
&current,It last)
</div>
341 <div class=
"line"><a name=
"l00353"></a><span class=
"lineno"> 353</span>  {
</div>
342 <div class=
"line"><a name=
"l00354"></a><span class=
"lineno"> 354</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(current == last))
</div>
343 <div class=
"line"><a name=
"l00355"></a><span class=
"lineno"> 355</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
344 <div class=
"line"><a name=
"l00356"></a><span class=
"lineno"> 356</span>  uint16_t w1=*current++;
</div>
345 <div class=
"line"><a name=
"l00357"></a><span class=
"lineno"> 357</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(w1
< 0xD800 ||
0xDFFF < w1)) {
</div>
346 <div class=
"line"><a name=
"l00358"></a><span class=
"lineno"> 358</span>  <span class=
"keywordflow">return
</span> w1;
</div>
347 <div class=
"line"><a name=
"l00359"></a><span class=
"lineno"> 359</span>  }
</div>
348 <div class=
"line"><a name=
"l00360"></a><span class=
"lineno"> 360</span>  <span class=
"keywordflow">if
</span>(w1
> 0xDBFF)
</div>
349 <div class=
"line"><a name=
"l00361"></a><span class=
"lineno"> 361</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
350 <div class=
"line"><a name=
"l00362"></a><span class=
"lineno"> 362</span>  <span class=
"keywordflow">if
</span>(current==last)
</div>
351 <div class=
"line"><a name=
"l00363"></a><span class=
"lineno"> 363</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">incomplete
</a>;
</div>
352 <div class=
"line"><a name=
"l00364"></a><span class=
"lineno"> 364</span>  uint16_t w2=*current++;
</div>
353 <div class=
"line"><a name=
"l00365"></a><span class=
"lineno"> 365</span>  <span class=
"keywordflow">if
</span>(w2
< 0xDC00 ||
0xDFFF < w2)
</div>
354 <div class=
"line"><a name=
"l00366"></a><span class=
"lineno"> 366</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">illegal
</a>;
</div>
355 <div class=
"line"><a name=
"l00367"></a><span class=
"lineno"> 367</span>  <span class=
"keywordflow">return
</span> combine_surrogate(w1,w2);
</div>
356 <div class=
"line"><a name=
"l00368"></a><span class=
"lineno"> 368</span>  }
</div>
357 <div class=
"line"><a name=
"l00369"></a><span class=
"lineno"> 369</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
358 <div class=
"line"><a name=
"l00370"></a><span class=
"lineno"> 370</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8ff625b2c19b0d4132f7ec9e6303cb36">decode_valid
</a>(It
&current)
</div>
359 <div class=
"line"><a name=
"l00371"></a><span class=
"lineno"> 371</span>  {
</div>
360 <div class=
"line"><a name=
"l00372"></a><span class=
"lineno"> 372</span>  uint16_t w1=*current++;
</div>
361 <div class=
"line"><a name=
"l00373"></a><span class=
"lineno"> 373</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(w1
< 0xD800 ||
0xDFFF < w1)) {
</div>
362 <div class=
"line"><a name=
"l00374"></a><span class=
"lineno"> 374</span>  <span class=
"keywordflow">return
</span> w1;
</div>
363 <div class=
"line"><a name=
"l00375"></a><span class=
"lineno"> 375</span>  }
</div>
364 <div class=
"line"><a name=
"l00376"></a><span class=
"lineno"> 376</span>  uint16_t w2=*current++;
</div>
365 <div class=
"line"><a name=
"l00377"></a><span class=
"lineno"> 377</span>  <span class=
"keywordflow">return
</span> combine_surrogate(w1,w2);
</div>
366 <div class=
"line"><a name=
"l00378"></a><span class=
"lineno"> 378</span>  }
</div>
367 <div class=
"line"><a name=
"l00379"></a><span class=
"lineno"> 379</span> </div>
368 <div class=
"line"><a name=
"l00380"></a><span class=
"lineno"> 380</span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13">max_width
</a> =
2;
</div>
369 <div class=
"line"><a name=
"l00381"></a><span class=
"lineno"> 381</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">width
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> u)
</div>
370 <div class=
"line"><a name=
"l00382"></a><span class=
"lineno"> 382</span>  {
</div>
371 <div class=
"line"><a name=
"l00383"></a><span class=
"lineno"> 383</span>  <span class=
"keywordflow">return
</span> u
>=
0x10000 ?
2 :
1;
</div>
372 <div class=
"line"><a name=
"l00384"></a><span class=
"lineno"> 384</span>  }
</div>
373 <div class=
"line"><a name=
"l00385"></a><span class=
"lineno"> 385</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
374 <div class=
"line"><a name=
"l00386"></a><span class=
"lineno"> 386</span>  <span class=
"keyword">static
</span> It
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">encode
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> u,It out)
</div>
375 <div class=
"line"><a name=
"l00387"></a><span class=
"lineno"> 387</span>  {
</div>
376 <div class=
"line"><a name=
"l00388"></a><span class=
"lineno"> 388</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_LIKELY(u
<=
0xFFFF)) {
</div>
377 <div class=
"line"><a name=
"l00389"></a><span class=
"lineno"> 389</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(u);
</div>
378 <div class=
"line"><a name=
"l00390"></a><span class=
"lineno"> 390</span>  }
</div>
379 <div class=
"line"><a name=
"l00391"></a><span class=
"lineno"> 391</span>  <span class=
"keywordflow">else
</span> {
</div>
380 <div class=
"line"><a name=
"l00392"></a><span class=
"lineno"> 392</span>  u -=
0x10000;
</div>
381 <div class=
"line"><a name=
"l00393"></a><span class=
"lineno"> 393</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(
0xD800 | (u
>>10));
</div>
382 <div class=
"line"><a name=
"l00394"></a><span class=
"lineno"> 394</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(
0xDC00 | (u
& 0x3FF));
</div>
383 <div class=
"line"><a name=
"l00395"></a><span class=
"lineno"> 395</span>  }
</div>
384 <div class=
"line"><a name=
"l00396"></a><span class=
"lineno"> 396</span>  <span class=
"keywordflow">return
</span> out;
</div>
385 <div class=
"line"><a name=
"l00397"></a><span class=
"lineno"> 397</span>  }
</div>
386 <div class=
"line"><a name=
"l00398"></a><span class=
"lineno"> 398</span>  };
<span class=
"comment">// utf16;
</span></div>
387 <div class=
"line"><a name=
"l00399"></a><span class=
"lineno"> 399</span> </div>
388 <div class=
"line"><a name=
"l00400"></a><span class=
"lineno"> 400</span>  </div>
389 <div class=
"line"><a name=
"l00401"></a><span class=
"lineno"> 401</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> CharType
></div>
390 <div class=
"line"><a name=
"l00402"></a><span class=
"lineno"> 402</span>  <span class=
"keyword">struct
</span>utf_traits
<CharType,
4> {
</div>
391 <div class=
"line"><a name=
"l00403"></a><span class=
"lineno"> 403</span>  <span class=
"keyword">typedef
</span> CharType
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a>;
</div>
392 <div class=
"line"><a name=
"l00404"></a><span class=
"lineno"> 404</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">trail_length
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> c)
</div>
393 <div class=
"line"><a name=
"l00405"></a><span class=
"lineno"> 405</span>  {
</div>
394 <div class=
"line"><a name=
"l00406"></a><span class=
"lineno"> 406</span>  <span class=
"keywordflow">if
</span>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">is_valid_codepoint
</a>(c))
</div>
395 <div class=
"line"><a name=
"l00407"></a><span class=
"lineno"> 407</span>  <span class=
"keywordflow">return
</span> 0;
</div>
396 <div class=
"line"><a name=
"l00408"></a><span class=
"lineno"> 408</span>  <span class=
"keywordflow">return
</span> -
1;
</div>
397 <div class=
"line"><a name=
"l00409"></a><span class=
"lineno"> 409</span>  }
</div>
398 <div class=
"line"><a name=
"l00410"></a><span class=
"lineno"> 410</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">is_trail
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> <span class=
"comment">/*c*/
</span>)
</div>
399 <div class=
"line"><a name=
"l00411"></a><span class=
"lineno"> 411</span>  {
</div>
400 <div class=
"line"><a name=
"l00412"></a><span class=
"lineno"> 412</span>  <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
</div>
401 <div class=
"line"><a name=
"l00413"></a><span class=
"lineno"> 413</span>  }
</div>
402 <div class=
"line"><a name=
"l00414"></a><span class=
"lineno"> 414</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a19789c4c26c8d9f576de5272f3d41a11">is_lead
</a>(
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a> <span class=
"comment">/*c*/
</span>)
</div>
403 <div class=
"line"><a name=
"l00415"></a><span class=
"lineno"> 415</span>  {
</div>
404 <div class=
"line"><a name=
"l00416"></a><span class=
"lineno"> 416</span>  <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
</div>
405 <div class=
"line"><a name=
"l00417"></a><span class=
"lineno"> 417</span>  }
</div>
406 <div class=
"line"><a name=
"l00418"></a><span class=
"lineno"> 418</span> </div>
407 <div class=
"line"><a name=
"l00419"></a><span class=
"lineno"> 419</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
408 <div class=
"line"><a name=
"l00420"></a><span class=
"lineno"> 420</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8ff625b2c19b0d4132f7ec9e6303cb36">decode_valid
</a>(It
&current)
</div>
409 <div class=
"line"><a name=
"l00421"></a><span class=
"lineno"> 421</span>  {
</div>
410 <div class=
"line"><a name=
"l00422"></a><span class=
"lineno"> 422</span>  <span class=
"keywordflow">return
</span> *current++;
</div>
411 <div class=
"line"><a name=
"l00423"></a><span class=
"lineno"> 423</span>  }
</div>
412 <div class=
"line"><a name=
"l00424"></a><span class=
"lineno"> 424</span> </div>
413 <div class=
"line"><a name=
"l00425"></a><span class=
"lineno"> 425</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
414 <div class=
"line"><a name=
"l00426"></a><span class=
"lineno"> 426</span>  <span class=
"keyword">static
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">decode
</a>(It
&current,It last)
</div>
415 <div class=
"line"><a name=
"l00427"></a><span class=
"lineno"> 427</span>  {
</div>
416 <div class=
"line"><a name=
"l00428"></a><span class=
"lineno"> 428</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(current == last))
</div>
417 <div class=
"line"><a name=
"l00429"></a><span class=
"lineno"> 429</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete
</a>;
</div>
418 <div class=
"line"><a name=
"l00430"></a><span class=
"lineno"> 430</span>  <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> c=*current++;
</div>
419 <div class=
"line"><a name=
"l00431"></a><span class=
"lineno"> 431</span>  <span class=
"keywordflow">if
</span>(BOOST_LOCALE_UNLIKELY(!
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">is_valid_codepoint
</a>(c)))
</div>
420 <div class=
"line"><a name=
"l00432"></a><span class=
"lineno"> 432</span>  <span class=
"keywordflow">return
</span> <a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal
</a>;
</div>
421 <div class=
"line"><a name=
"l00433"></a><span class=
"lineno"> 433</span>  <span class=
"keywordflow">return
</span> c;
</div>
422 <div class=
"line"><a name=
"l00434"></a><span class=
"lineno"> 434</span>  }
</div>
423 <div class=
"line"><a name=
"l00435"></a><span class=
"lineno"> 435</span>  <span class=
"keyword">static
</span> <span class=
"keyword">const
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13">max_width
</a> =
1;
</div>
424 <div class=
"line"><a name=
"l00436"></a><span class=
"lineno"> 436</span>  <span class=
"keyword">static
</span> <span class=
"keywordtype">int
</span> <a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">width
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> <span class=
"comment">/*u*/
</span>)
</div>
425 <div class=
"line"><a name=
"l00437"></a><span class=
"lineno"> 437</span>  {
</div>
426 <div class=
"line"><a name=
"l00438"></a><span class=
"lineno"> 438</span>  <span class=
"keywordflow">return
</span> 1;
</div>
427 <div class=
"line"><a name=
"l00439"></a><span class=
"lineno"> 439</span>  }
</div>
428 <div class=
"line"><a name=
"l00440"></a><span class=
"lineno"> 440</span>  <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> It
></div>
429 <div class=
"line"><a name=
"l00441"></a><span class=
"lineno"> 441</span>  <span class=
"keyword">static
</span> It
<a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">encode
</a>(
<a class=
"code" href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">code_point
</a> u,It out)
</div>
430 <div class=
"line"><a name=
"l00442"></a><span class=
"lineno"> 442</span>  {
</div>
431 <div class=
"line"><a name=
"l00443"></a><span class=
"lineno"> 443</span>  *out++ =
<span class=
"keyword">static_cast
<</span><a class=
"code" href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">char_type
</a><span class=
"keyword">></span>(u);
</div>
432 <div class=
"line"><a name=
"l00444"></a><span class=
"lineno"> 444</span>  <span class=
"keywordflow">return
</span> out;
</div>
433 <div class=
"line"><a name=
"l00445"></a><span class=
"lineno"> 445</span>  }
</div>
434 <div class=
"line"><a name=
"l00446"></a><span class=
"lineno"> 446</span> </div>
435 <div class=
"line"><a name=
"l00447"></a><span class=
"lineno"> 447</span>  };
<span class=
"comment">// utf32
</span></div>
436 <div class=
"line"><a name=
"l00448"></a><span class=
"lineno"> 448</span> </div>
437 <div class=
"line"><a name=
"l00449"></a><span class=
"lineno"> 449</span> <span class=
"preprocessor"> #endif
</span></div>
438 <div class=
"line"><a name=
"l00450"></a><span class=
"lineno"> 450</span> <span class=
"preprocessor"></span></div>
439 <div class=
"line"><a name=
"l00451"></a><span class=
"lineno"> 451</span> </div>
440 <div class=
"line"><a name=
"l00452"></a><span class=
"lineno"> 452</span> }
<span class=
"comment">// utf
</span></div>
441 <div class=
"line"><a name=
"l00453"></a><span class=
"lineno"> 453</span> }
<span class=
"comment">// locale
</span></div>
442 <div class=
"line"><a name=
"l00454"></a><span class=
"lineno"> 454</span> }
<span class=
"comment">// boost
</span></div>
443 <div class=
"line"><a name=
"l00455"></a><span class=
"lineno"> 455</span> </div>
444 <div class=
"line"><a name=
"l00456"></a><span class=
"lineno"> 456</span> </div>
445 <div class=
"line"><a name=
"l00457"></a><span class=
"lineno"> 457</span> <span class=
"preprocessor">#endif
</span></div>
446 <div class=
"line"><a name=
"l00458"></a><span class=
"lineno"> 458</span> <span class=
"preprocessor"></span></div>
447 <div class=
"line"><a name=
"l00459"></a><span class=
"lineno"> 459</span> <span class=
"comment">// vim: tabstop=
4 expandtab shiftwidth=
4 softtabstop=
4</span></div>
448 <div class=
"line"><a name=
"l00460"></a><span class=
"lineno"> 460</span> </div>
449 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_a9b6b01fa6705ba67ac78359ddee03213"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">boost::locale::utf::utf_traits::decode
</a></div><div class=
"ttdeci">static code_point decode(Iterator
&p, Iterator e)
</div></div>
450 <div class=
"ttc" id=
"namespaceboost_1_1locale_1_1utf_html_a189805c4e9f4c033ce5f88daf780e08e"><div class=
"ttname"><a href=
"namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">boost::locale::utf::is_valid_codepoint
</a></div><div class=
"ttdeci">bool is_valid_codepoint(code_point v)
</div><div class=
"ttdoc">the function checks if v is a valid code point
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
49</div></div>
451 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_acd59f628af084f800f8a86cdd8124fd8"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">boost::locale::utf::utf_traits::encode
</a></div><div class=
"ttdeci">static Iterator encode(code_point value, Iterator out)
</div></div>
452 <div class=
"ttc" id=
"namespaceboost_1_1locale_1_1utf_html_a20dbe458fd18229a0e6c09888d031b38"><div class=
"ttname"><a href=
"namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete
</a></div><div class=
"ttdeci">static const code_point incomplete
</div><div class=
"ttdoc">Special constant that defines incomplete code point.
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
44</div></div>
453 <div class=
"ttc" id=
"namespaceboost_1_1locale_1_1utf_html_a068111a6b9d6d465a63893ed5c05e2f8"><div class=
"ttname"><a href=
"namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">boost::locale::utf::code_point
</a></div><div class=
"ttdeci">uint32_t code_point
</div><div class=
"ttdoc">The integral type that can hold a Unicode code point.
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
34</div></div>
454 <div class=
"ttc" id=
"namespaceboost_1_1locale_1_1utf_html_a30010000878c7732340bda8956b844fb"><div class=
"ttname"><a href=
"namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal
</a></div><div class=
"ttdeci">static const code_point illegal
</div><div class=
"ttdoc">Special constant that defines illegal code point.
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
39</div></div>
455 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html">boost::locale::utf::utf_traits
</a></div><div class=
"ttdoc">UTF Traits class - functions to convert UTF sequences to and from Unicode code points.
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
63</div></div>
456 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_a26c106ec8816f48431f882017ab46763"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a26c106ec8816f48431f882017ab46763">boost::locale::utf::utf_traits::width
</a></div><div class=
"ttdeci">static int width(code_point value)
</div></div>
457 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_accca9dc2d8fe018b9b5640c48e3470e4"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#accca9dc2d8fe018b9b5640c48e3470e4">boost::locale::utf::utf_traits::char_type
</a></div><div class=
"ttdeci">CharType char_type
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
67</div></div>
458 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_a8a6b72ba87a817652f522018df51a9a7"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8a6b72ba87a817652f522018df51a9a7">boost::locale::utf::utf_traits::trail_length
</a></div><div class=
"ttdeci">static int trail_length(char_type c)
</div></div>
459 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_a19789c4c26c8d9f576de5272f3d41a11"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a19789c4c26c8d9f576de5272f3d41a11">boost::locale::utf::utf_traits::is_lead
</a></div><div class=
"ttdeci">static bool is_lead(char_type c)
</div></div>
460 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_a8ff625b2c19b0d4132f7ec9e6303cb36"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#a8ff625b2c19b0d4132f7ec9e6303cb36">boost::locale::utf::utf_traits::decode_valid
</a></div><div class=
"ttdeci">static code_point decode_valid(Iterator
&p)
</div></div>
461 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_ae2cb78fcb8a58bed3e0ce1d6528a719a"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#ae2cb78fcb8a58bed3e0ce1d6528a719a">boost::locale::utf::utf_traits::is_trail
</a></div><div class=
"ttdeci">static bool is_trail(char_type c)
</div></div>
462 <div class=
"ttc" id=
"structboost_1_1locale_1_1utf_1_1utf__traits_html_abb4cb63a924d19505c2cb6e930c68a13"><div class=
"ttname"><a href=
"structboost_1_1locale_1_1utf_1_1utf__traits.html#abb4cb63a924d19505c2cb6e930c68a13">boost::locale::utf::utf_traits::max_width
</a></div><div class=
"ttdeci">static const int max_width
</div><div class=
"ttdef"><b>Definition:
</b> utf.hpp:
92</div></div>
463 </div><!-- fragment --></div><!-- contents -->
464 </div><!-- doc-content -->
467 © Copyright
2009-
2012 Artyom Beilis, Distributed under the
<a href=
"http://www.boost.org/LICENSE_1_0.txt">Boost Software License
</a>, Version
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