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<div class="title">utf8_codecvt.hpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">//  Copyright (c) 2015 Artyom Beilis (Tonkikh)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//  Distributed under the Boost Software License, Version 1.0. (See</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//  accompanying file LICENSE_1_0.txt or copy at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//  http://www.boost.org/LICENSE_1_0.txt)</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef BOOST_LOCALE_UTF8_CODECVT_HPP</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define BOOST_LOCALE_UTF8_CODECVT_HPP</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;boost/locale/utf.hpp&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;boost/locale/generic_codecvt.hpp&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;boost/cstdint.hpp&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;locale&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">namespace </span>boost {</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">namespace </span>locale {</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> CharType&gt;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1utf8__codecvt.html">   23</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1utf8__codecvt.html">utf8_codecvt</a> : <span class="keyword">public</span> <a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>&lt;CharType,utf8_codecvt&lt;CharType&gt; &gt; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;   </div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structboost_1_1locale_1_1utf8__codecvt_1_1state__type.html">   27</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structboost_1_1locale_1_1utf8__codecvt_1_1state__type.html">state_type</a> {};</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <a class="code" href="classboost_1_1locale_1_1utf8__codecvt.html">utf8_codecvt</a>(<span class="keywordtype">size_t</span> refs = 0) : <a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>&lt;CharType,<a class="code" href="classboost_1_1locale_1_1utf8__codecvt.html">utf8_codecvt</a>&lt;CharType&gt; &gt;(refs)</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    }</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">int</span> max_encoding_length()</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <span class="keywordflow">return</span> 4;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    }</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">static</span> state_type initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3">generic_codecvt_base::initial_convertion_state</a> <span class="comment">/* unused */</span>)</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    {</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keywordflow">return</span> state_type();</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    }</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keyword">static</span> <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">utf::code_point</a> to_unicode(state_type &amp;,<span class="keywordtype">char</span> <span class="keyword">const</span> *&amp;begin,<span class="keywordtype">char</span> <span class="keyword">const</span> *end) </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordtype">char</span> <span class="keyword">const</span> *p=begin;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">utf::code_point</a> c = <a class="code" href="structboost_1_1locale_1_1utf_1_1utf__traits.html#a9b6b01fa6705ba67ac78359ddee03213">utf::utf_traits&lt;char&gt;::decode</a>(p,end);</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keywordflow">if</span>(c!=<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">utf::illegal</a> &amp;&amp; c!=<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">utf::incomplete</a>)</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            begin = p;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <span class="keywordflow">return</span> c;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    }</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keyword">static</span> <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">utf::code_point</a> from_unicode(state_type &amp;,<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a068111a6b9d6d465a63893ed5c05e2f8">utf::code_point</a> u,<span class="keywordtype">char</span> *begin,<span class="keywordtype">char</span> <span class="keyword">const</span> *end) </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    {</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordflow">if</span>(!<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">utf::is_valid_codepoint</a>(u))</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">utf::illegal</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <span class="keywordtype">int</span> width;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordflow">if</span>((width=utf::utf_traits&lt;char&gt;::width(u)) &gt; end - begin)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">utf::incomplete</a>;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <a class="code" href="structboost_1_1locale_1_1utf_1_1utf__traits.html#acd59f628af084f800f8a86cdd8124fd8">utf::utf_traits&lt;char&gt;::encode</a>(u,begin);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordflow">return</span> width;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    }</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;};</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;} <span class="comment">// locale</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;} <span class="comment">// namespace boost</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor"></span><span class="comment">// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4</span></div>
<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 &amp;p, Iterator e)</div></div>
<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>
<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>
<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>
<div class="ttc" id="classboost_1_1locale_1_1utf8__codecvt_html"><div class="ttname"><a href="classboost_1_1locale_1_1utf8__codecvt.html">boost::locale::utf8_codecvt</a></div><div class="ttdoc">Geneneric utf8 codecvt facet, it allows to convert UTF-8 strings to UTF-16 and UTF-32 using wchar_t...</div><div class="ttdef"><b>Definition:</b> utf8_codecvt.hpp:23</div></div>
<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>
<div class="ttc" id="classboost_1_1locale_1_1generic__codecvt__base_html_af28c4b64af6cbf2eb01c444e2cdf08c3"><div class="ttname"><a href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3">boost::locale::generic_codecvt_base::initial_convertion_state</a></div><div class="ttdeci">initial_convertion_state</div><div class="ttdef"><b>Definition:</b> generic_codecvt.hpp:39</div></div>
<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>
<div class="ttc" id="structboost_1_1locale_1_1utf8__codecvt_1_1state__type_html"><div class="ttname"><a href="structboost_1_1locale_1_1utf8__codecvt_1_1state__type.html">boost::locale::utf8_codecvt::state_type</a></div><div class="ttdef"><b>Definition:</b> utf8_codecvt.hpp:27</div></div>
<div class="ttc" id="classboost_1_1locale_1_1generic__codecvt_html"><div class="ttname"><a href="classboost_1_1locale_1_1generic__codecvt.html">boost::locale::generic_codecvt</a></div><div class="ttdoc">Geneneric generic codecvt facet, various stateless encodings to UTF-16 and UTF-32 using wchar_t...</div><div class="ttdef"><b>Definition:</b> generic_codecvt.hpp:140</div></div>
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