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<div class="title">generic_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_GENERIC_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_GENERIC_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/cstdint.hpp&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;boost/static_assert.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="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#ifndef BOOST_LOCALE_DOXYGEN</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor"></span><span class="comment">//</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">// Make sure that mbstate can keep 16 bit of UTF-16 sequence</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;BOOST_STATIC_ASSERT(<span class="keyword">sizeof</span>(std::mbstate_t)&gt;=2);</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#if defined(_MSC_VER) &amp;&amp; _MSC_VER &lt; 1700</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor"></span><span class="comment">// up to MSVC 11 (2012) do_length is non-standard it counts wide characters instead of narrow and does not change mbstate</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#define BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt__base.html">   34</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html">generic_codecvt_base</a> {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3">   39</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3">initial_convertion_state</a> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">   40</a></span>&#160;        <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">to_unicode_state</a>, </div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1">   41</a></span>&#160;        <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1">from_unicode_state</a> </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    };</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;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> CharType,<span class="keyword">typename</span> CodecvtImpl,<span class="keywordtype">int</span> CharSize=sizeof(CharType)&gt;</div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt.html">  140</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> CharType,<span class="keyword">typename</span> CodecvtImpl&gt;</div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt_3_01CharType_00_01CodecvtImpl_00_012_01_4.html">  151</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>&lt;CharType,CodecvtImpl,2&gt; : <span class="keyword">public</span> std::codecvt&lt;CharType,char,std::mbstate_t&gt;, <span class="keyword">public</span> <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html">generic_codecvt_base</a></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;{</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keyword">typedef</span> CharType uchar;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>(<span class="keywordtype">size_t</span> refs = 0) : </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        std::codecvt&lt;CharType,char,std::mbstate_t&gt;(refs)</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    {</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    CodecvtImpl <span class="keyword">const</span> &amp;implementation()<span class="keyword"> const</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">static_cast&lt;</span>CodecvtImpl <span class="keyword">const </span>*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    }</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result do_unshift(std::mbstate_t &amp;s,<span class="keywordtype">char</span> *from,<span class="keywordtype">char</span> * <span class="comment">/*to*/</span>,<span class="keywordtype">char</span> *&amp;next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        boost::uint16_t &amp;state = *<span class="keyword">reinterpret_cast&lt;</span>boost::uint16_t *<span class="keyword">&gt;</span>(&amp;s);</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Entering unshift &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt; std::dec &lt;&lt; std::endl;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">if</span>(state != 0)</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;            <span class="keywordflow">return</span> std::codecvt_base::error;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        next=from;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keywordflow">return</span> std::codecvt_base::ok;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    }</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span> do_encoding() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    {</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    }</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span> do_max_length() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    {</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="keywordflow">return</span> implementation().max_encoding_length();</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> do_always_noconv() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    {</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    }</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    do_length(  std::mbstate_t </div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    #ifdef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            <span class="keyword">const</span>   </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    #endif</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            &amp;std_state,</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordtype">size_t</span> max)<span class="keyword"> const</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor">        #ifndef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor"></span>        <span class="keywordtype">char</span> <span class="keyword">const</span> *save_from = from;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        boost::uint16_t &amp;state = *<span class="keyword">reinterpret_cast&lt;</span>boost::uint16_t *<span class="keyword">&gt;</span>(&amp;std_state);</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="preprocessor">        #else</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor"></span>        <span class="keywordtype">size_t</span> save_max = max;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        boost::uint16_t state = *<span class="keyword">reinterpret_cast&lt;</span>boost::uint16_t <span class="keyword">const </span>*<span class="keyword">&gt;</span>(&amp;std_state);</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">generic_codecvt_base::to_unicode_state</a>);</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        <span class="keywordflow">while</span>(max &gt; 0 &amp;&amp; from &lt; from_end){</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *prev_from = from;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            boost::uint32_t ch=implementation().to_unicode(cvt_state,from,from_end);</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a> || ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                from = prev_from;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;            }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;            max --;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;            <span class="keywordflow">if</span>(ch &gt; 0xFFFF) {</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                <span class="keywordflow">if</span>(state == 0) {</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                    from = prev_from;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;                    state = 1;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;                }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;                <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                    state = 0;</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;                }</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;            }        </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        }</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="preprocessor">        #ifndef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> from - save_from;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="preprocessor">        #else</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> save_max - max;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="preprocessor"></span>    }</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    do_in(  std::mbstate_t &amp;std_state,</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *&amp;from_next,</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;            uchar *to,</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;            uchar *to_end,</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;            uchar *&amp;to_next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;        std::codecvt_base::result r=std::codecvt_base::ok;</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        </div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        <span class="comment">// mbstate_t is POD type and should be initialized to 0 (i.a. state = stateT())</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        <span class="comment">// according to standard. We use it to keep a flag 0/1 for surrogate pair writing</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="comment">//</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        <span class="comment">// if 0 no code above &gt;0xFFFF observed, of 1 a code above 0xFFFF observerd</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;        <span class="comment">// and first pair is written, but no input consumed</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        boost::uint16_t &amp;state = *<span class="keyword">reinterpret_cast&lt;</span>boost::uint16_t *<span class="keyword">&gt;</span>(&amp;std_state);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">generic_codecvt_base::to_unicode_state</a>);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        <span class="keywordflow">while</span>(to &lt; to_end &amp;&amp; from &lt; from_end)</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        {</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor"></span>            std::cout &lt;&lt; <span class="stringliteral">&quot;Entering IN--------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="preprocessor">#endif           </span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor"></span>            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_saved = from;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            </div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            uint32_t ch=implementation().to_unicode(cvt_state,from,from_end);</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            </div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;                from = from_saved;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;            }</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a>) {</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;                from = from_saved;</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;                r=std::codecvt_base::partial;</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            }</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            <span class="comment">// Normal codepoints go direcly to stream</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="keywordflow">if</span>(ch &lt;= 0xFFFF) {</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                *to++=ch;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;            }</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;            <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                <span class="comment">// for  other codepoints we do following</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;                <span class="comment">//</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;                <span class="comment">// 1. We can&#39;t consume our input as we may find ourselfs</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;                <span class="comment">//    in state where all input consumed but not all output written,i.e. only</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                <span class="comment">//    1st pair is written</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;                <span class="comment">// 2. We only write first pair and mark this in the state, we also revert back</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;                <span class="comment">//    the from pointer in order to make sure this codepoint would be read</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;                <span class="comment">//    once again and then we would consume our input together with writing</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                <span class="comment">//    second surrogate pair</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                ch-=0x10000;</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;                boost::uint16_t vh = ch &gt;&gt; 10;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;                boost::uint16_t vl = ch &amp; 0x3FF;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;                boost::uint16_t w1 = vh + 0xD800;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;                boost::uint16_t w2 = vl + 0xDC00;</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                <span class="keywordflow">if</span>(state == 0) {</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;                    from = from_saved;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;                    *to++ = w1;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;                    state = 1;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;                }</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;                <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;                    *to++ = w2;</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;                    state = 0;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;                }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;            }</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        }</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;        from_next=from;</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        to_next=to;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        <span class="keywordflow">if</span>(r == std::codecvt_base::ok &amp;&amp; (from!=from_end || state!=0))</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;            r = std::codecvt_base::partial;</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Returning &quot;</span>;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        <span class="keywordflow">switch</span>(r) {</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::ok:</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;ok&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::partial:</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;partial&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::error:</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;error&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;other&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;        }</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    }</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    </div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result </div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    do_out( std::mbstate_t &amp;std_state,</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;            uchar <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;            uchar <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;            uchar <span class="keyword">const</span> *&amp;from_next,</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;            <span class="keywordtype">char</span> *to,</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;            <span class="keywordtype">char</span> *to_end,</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;            <span class="keywordtype">char</span> *&amp;to_next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        std::codecvt_base::result r=std::codecvt_base::ok;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="comment">// mbstate_t is POD type and should be initialized to 0 (i.a. state = stateT())</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        <span class="comment">// according to standard. We assume that sizeof(mbstate_t) &gt;=2 in order</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        <span class="comment">// to be able to store first observerd surrogate pair</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;        <span class="comment">//</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;        <span class="comment">// State: state!=0 - a first surrogate pair was observerd (state = first pair),</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        <span class="comment">// we expect the second one to come and then zero the state</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="comment"></span>        boost::uint16_t &amp;state = *<span class="keyword">reinterpret_cast&lt;</span>boost::uint16_t *<span class="keyword">&gt;</span>(&amp;std_state);</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1">generic_codecvt_base::from_unicode_state</a>);</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        <span class="keywordflow">while</span>(to &lt; to_end &amp;&amp; from &lt; from_end)</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        {</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Entering OUT --------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="preprocessor"></span>            boost::uint32_t ch=0;</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;            <span class="keywordflow">if</span>(state != 0) {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;                <span class="comment">// if the state idecates that 1st surrogate pair was written</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;                <span class="comment">// we should make sure that the second one that comes is actually</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;                <span class="comment">// second surrogate</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;                boost::uint16_t w1 = state;</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;                boost::uint16_t w2 = *from; </div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;                <span class="comment">// we don&#39;t forward from as writing may fail to incomplete or</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;                <span class="comment">// partial conversion</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;                <span class="keywordflow">if</span>(0xDC00 &lt;= w2 &amp;&amp; w2&lt;=0xDFFF) {</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;                    boost::uint16_t vh = w1 - 0xD800;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;                    boost::uint16_t vl = w2 - 0xDC00;</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;                    ch=((uint32_t(vh) &lt;&lt; 10)  | vl) + 0x10000;</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                }</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;                    <span class="comment">// Invalid surrogate</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;                    r=std::codecvt_base::error;</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;                    <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;                }</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;            }</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;                ch = *from;</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;                <span class="keywordflow">if</span>(0xD800 &lt;= ch &amp;&amp; ch&lt;=0xDBFF) {</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;                    <span class="comment">// if this is a first surrogate pair we put</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;                    <span class="comment">// it into the state and consume it, note we don&#39;t</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;                    <span class="comment">// go forward as it should be illegal so we increase</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;                    <span class="comment">// the from pointer manually</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;                    state = ch;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;                    from++;</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;                }</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;                <span class="keywordflow">else</span> <span class="keywordflow">if</span>(0xDC00 &lt;= ch &amp;&amp; ch&lt;=0xDFFF) {</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;                    <span class="comment">// if we observe second surrogate pair and </span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                    <span class="comment">// first only may be expected we should break from the loop with error</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;                    <span class="comment">// as it is illegal input</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                    r=std::codecvt_base::error;</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;                    <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;                }</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;            }</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            <span class="keywordflow">if</span>(!<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">boost::locale::utf::is_valid_codepoint</a>(ch)) {</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;            }</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            boost::uint32_t len = implementation().from_unicode(cvt_state,ch,to,to_end);</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;            <span class="keywordflow">if</span>(len == <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a>) {</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;                r=std::codecvt_base::partial;</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            }</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span>(len == <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            }</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;                    to+= len;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            state = 0;</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;            from++;</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        }</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        from_next=from;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        to_next=to;</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;        <span class="keywordflow">if</span>(r==std::codecvt_base::ok &amp;&amp; from!=from_end)</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            r = std::codecvt_base::partial;</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Returning &quot;</span>;</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;        <span class="keywordflow">switch</span>(r) {</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::ok:</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;ok&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::partial:</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;partial&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::error:</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;error&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;other&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        }</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;    }</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    </div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;};</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> CharType,<span class="keyword">typename</span> CodecvtImpl&gt;</div>
<div class="line"><a name="l00454"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt_3_01CharType_00_01CodecvtImpl_00_014_01_4.html">  454</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>&lt;CharType,CodecvtImpl,4&gt; : <span class="keyword">public</span> std::codecvt&lt;CharType,char,std::mbstate_t&gt;, <span class="keyword">public</span> <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html">generic_codecvt_base</a></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;{</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;    <span class="keyword">typedef</span> CharType uchar;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    <a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>(<span class="keywordtype">size_t</span> refs = 0) : </div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        std::codecvt&lt;CharType,char,std::mbstate_t&gt;(refs)</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;    {</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    }</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    </div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    CodecvtImpl <span class="keyword">const</span> &amp;implementation()<span class="keyword"> const</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">static_cast&lt;</span>CodecvtImpl <span class="keyword">const </span>*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;    }</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    </div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result do_unshift(std::mbstate_t &amp;<span class="comment">/*s*/</span>,<span class="keywordtype">char</span> *from,<span class="keywordtype">char</span> * <span class="comment">/*to*/</span>,<span class="keywordtype">char</span> *&amp;next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;        next=from;</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;        <span class="keywordflow">return</span> std::codecvt_base::ok;</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    }</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span> do_encoding() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    {</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    }</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span> do_max_length() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    {</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        <span class="keywordflow">return</span> implementation().max_encoding_length();</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    }</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> do_always_noconv() <span class="keyword">const</span> <span class="keywordflow">throw</span>()</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    {</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    }</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    do_length(  std::mbstate_t </div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    #ifdef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            <span class="keyword">const</span>   </div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    #endif    </div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            &amp;<span class="comment">/*state*/</span>,</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;            <span class="keywordtype">size_t</span> max)<span class="keyword"> const</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;<span class="preprocessor">        #ifndef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST </span></div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;<span class="preprocessor"></span>        <span class="keywordtype">char</span> <span class="keyword">const</span> *start_from = from;</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;<span class="preprocessor">        #else</span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;<span class="preprocessor"></span>        <span class="keywordtype">size_t</span> save_max = max;</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="preprocessor"></span>        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">generic_codecvt_base::to_unicode_state</a>);</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;        <span class="keywordflow">while</span>(max &gt; 0 &amp;&amp; from &lt; from_end){</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *save_from = from;</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;            boost::uint32_t ch=implementation().to_unicode(cvt_state,from,from_end);</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a> || ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;                from = save_from;</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;            }</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;            max--;</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;        }</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="preprocessor">        #ifndef BOOST_LOCALE_DO_LENGTH_MBSTATE_CONST </span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> from - start_from;</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="preprocessor">        #else</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> save_max - max;</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="preprocessor"></span>    }</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    </div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result </div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    do_in(  std::mbstate_t &amp;<span class="comment">/*state*/</span>,</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;            <span class="keywordtype">char</span> <span class="keyword">const</span> *&amp;from_next,</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;            uchar *to,</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;            uchar *to_end,</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;            uchar *&amp;to_next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;        std::codecvt_base::result r=std::codecvt_base::ok;</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;        </div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        <span class="comment">// mbstate_t is POD type and should be initialized to 0 (i.a. state = stateT())</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;        <span class="comment">// according to standard. We use it to keep a flag 0/1 for surrogate pair writing</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;        <span class="comment">//</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;        <span class="comment">// if 0 no code above &gt;0xFFFF observed, of 1 a code above 0xFFFF observerd</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;        <span class="comment">// and first pair is written, but no input consumed</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">generic_codecvt_base::to_unicode_state</a>);</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;        <span class="keywordflow">while</span>(to &lt; to_end &amp;&amp; from &lt; from_end)</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;        {</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;<span class="preprocessor"></span>            std::cout &lt;&lt; <span class="stringliteral">&quot;Entering IN--------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="preprocessor">#endif           </span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="preprocessor"></span>            <span class="keywordtype">char</span> <span class="keyword">const</span> *from_saved = from;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;            </div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;            uint32_t ch=implementation().to_unicode(cvt_state,from,from_end);</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;            </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;                from = from_saved;</div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;            }</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;            <span class="keywordflow">if</span>(ch==<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a>) {</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;                r=std::codecvt_base::partial;</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;                from=from_saved;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;            }</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;            *to++=ch;</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;        }</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;        from_next=from;</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;        to_next=to;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;        <span class="keywordflow">if</span>(r == std::codecvt_base::ok &amp;&amp; from!=from_end)</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;            r = std::codecvt_base::partial;</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Returning &quot;</span>;</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;        <span class="keywordflow">switch</span>(r) {</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::ok:</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;ok&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::partial:</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;partial&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::error:</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;error&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;other&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;        }</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;    }</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;    </div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;    <span class="keyword">virtual</span> std::codecvt_base::result </div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    do_out( std::mbstate_t &amp;<span class="comment">/*std_state*/</span>,</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;            uchar <span class="keyword">const</span> *from,</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;            uchar <span class="keyword">const</span> *from_end,</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;            uchar <span class="keyword">const</span> *&amp;from_next,</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;            <span class="keywordtype">char</span> *to,</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;            <span class="keywordtype">char</span> *to_end,</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;            <span class="keywordtype">char</span> *&amp;to_next)<span class="keyword"> const</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;        std::codecvt_base::result r=std::codecvt_base::ok;</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> CodecvtImpl::state_type state_type;</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;        state_type cvt_state = implementation().initial_state(<a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1">generic_codecvt_base::from_unicode_state</a>);</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;        <span class="keywordflow">while</span>(to &lt; to_end &amp;&amp; from &lt; from_end)</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;        {</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Entering OUT --------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="preprocessor"></span>            boost::uint32_t ch=0;</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;            ch = *from;</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;            <span class="keywordflow">if</span>(!<a class="code" href="namespaceboost_1_1locale_1_1utf.html#a189805c4e9f4c033ce5f88daf780e08e">boost::locale::utf::is_valid_codepoint</a>(ch)) {</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;            }</div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;            boost::uint32_t len = implementation().from_unicode(cvt_state,ch,to,to_end);</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;            <span class="keywordflow">if</span>(len == <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a20dbe458fd18229a0e6c09888d031b38">boost::locale::utf::incomplete</a>) {</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;                r=std::codecvt_base::partial;</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;            }</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span>(len == <a class="code" href="namespaceboost_1_1locale_1_1utf.html#a30010000878c7732340bda8956b844fb">boost::locale::utf::illegal</a>) {</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;                r=std::codecvt_base::error;</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;            }</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;            to+=len;</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;            from++;</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;        }</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;        from_next=from;</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        to_next=to;</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;        <span class="keywordflow">if</span>(r==std::codecvt_base::ok &amp;&amp; from!=from_end)</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;            r = std::codecvt_base::partial;</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="preprocessor">#ifdef DEBUG_CODECVT            </span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="preprocessor"></span>        std::cout &lt;&lt; <span class="stringliteral">&quot;Returning &quot;</span>;</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;        <span class="keywordflow">switch</span>(r) {</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::ok:</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;ok&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::partial:</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;partial&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;        <span class="keywordflow">case</span> std::codecvt_base::error:</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;error&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;other&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;        }</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;State &quot;</span> &lt;&lt; std::hex &lt;&lt; state &lt;&lt;std::endl;</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Left in &quot;</span> &lt;&lt; std::dec &lt;&lt; from_end - from &lt;&lt; <span class="stringliteral">&quot; out &quot;</span> &lt;&lt; to_end -to &lt;&lt; std::endl;</div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="preprocessor">#endif            </span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    }</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;};</div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> CharType,<span class="keyword">typename</span> CodecvtImpl&gt;</div>
<div class="line"><a name="l00656"></a><span class="lineno"><a class="line" href="classboost_1_1locale_1_1generic__codecvt_3_01CharType_00_01CodecvtImpl_00_011_01_4.html">  656</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>&lt;CharType,CodecvtImpl,1&gt; : <span class="keyword">public</span> std::codecvt&lt;CharType,char,std::mbstate_t&gt;, <span class="keyword">public</span> <a class="code" href="classboost_1_1locale_1_1generic__codecvt__base.html">generic_codecvt_base</a></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;{</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;    <span class="keyword">typedef</span> CharType uchar;</div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    CodecvtImpl <span class="keyword">const</span> &amp;implementation()<span class="keyword"> const</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">static_cast&lt;</span>CodecvtImpl <span class="keyword">const </span>*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    }</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    <a class="code" href="classboost_1_1locale_1_1generic__codecvt.html">generic_codecvt</a>(<span class="keywordtype">size_t</span> refs = 0) :  std::codecvt&lt;char,char,std::mbstate_t&gt;(refs)</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    {</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    }</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;};</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;} <span class="comment">// locale</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;} <span class="comment">// namespace boost</span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="preprocessor"></span><span class="comment">// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4</span></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="classboost_1_1locale_1_1generic__codecvt__base_html_af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec"><div class="ttname"><a href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a07029d87e1c62675db6b857d7b6214ec">boost::locale::generic_codecvt_base::to_unicode_state</a></div><div class="ttdoc">The state would be used by to_unicode functions. </div><div class="ttdef"><b>Definition:</b> generic_codecvt.hpp:40</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_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="classboost_1_1locale_1_1generic__codecvt__base_html"><div class="ttname"><a href="classboost_1_1locale_1_1generic__codecvt__base.html">boost::locale::generic_codecvt_base</a></div><div class="ttdoc">A base class that used to define constants for generic_codecvt. </div><div class="ttdef"><b>Definition:</b> generic_codecvt.hpp:34</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>
<div class="ttc" id="classboost_1_1locale_1_1generic__codecvt__base_html_af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1"><div class="ttname"><a href="classboost_1_1locale_1_1generic__codecvt__base.html#af28c4b64af6cbf2eb01c444e2cdf08c3a2386c685ac9676370a20d2802184fed1">boost::locale::generic_codecvt_base::from_unicode_state</a></div><div class="ttdoc">The state would be used by from_unicode functions. </div><div class="ttdef"><b>Definition:</b> generic_codecvt.hpp:41</div></div>
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