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<li class="navelem"><a class="el" href="dir_c8984f1860c11f62f47abb6761e46c1e.html">boost</a></li><li class="navelem"><a class="el" href="dir_cba7cd329d8f45cf06543cd3b730d485.html">nowide</a></li> </ul>
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<div class="title">convert.hpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2012 Artyom Beilis (Tonkikh)</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0. (See</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// accompanying file LICENSE_1_0.txt or copy at</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_NOWIDE_CONVERT_H_INCLUDED</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_NOWIDE_CONVERT_H_INCLUDED</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/locale/encoding_utf.hpp></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>boost {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>nowide {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">template</span><<span class="keyword">typename</span> CharOut,<span class="keyword">typename</span> CharIn></div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece"> 26</a></span>  CharOut *<a class="code" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">basic_convert</a>(CharOut *buffer,<span class="keywordtype">size_t</span> buffer_size,CharIn <span class="keyword">const</span> *source_begin,CharIn <span class="keyword">const</span> *source_end)</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  CharOut *rv = buffer;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span>(buffer_size == 0)</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  buffer_size --;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">while</span>(source_begin!=source_end) {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">using namespace </span>boost::locale::utf;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  code_point c = utf_traits<CharIn>::template decode<CharIn const *>(source_begin,source_end);</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span>(c==illegal || c==incomplete) {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  rv = 0;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">size_t</span> width = utf_traits<CharOut>::width(c);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span>(buffer_size < width) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  rv=0;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  buffer = utf_traits<CharOut>::template encode<CharOut *>(c,buffer);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  buffer_size -= width;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  *buffer++ = 0;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> rv;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">namespace </span>details {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// wcslen defined only in C99... So we will not use it</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Char></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Char <span class="keyword">const</span> *basic_strend(Char <span class="keyword">const</span> *s)</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">while</span>(*s)</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  s++;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> s;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a"> 73</a></span>  <span class="keyword">inline</span> <span class="keywordtype">char</span> *<a class="code" href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a">narrow</a>(<span class="keywordtype">char</span> *output,<span class="keywordtype">size_t</span> output_size,<span class="keywordtype">wchar_t</span> <span class="keyword">const</span> *source)</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">basic_convert</a>(output,output_size,source,details::basic_strend(source));</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a26caaed23d4adf0aa1ed0c1e218fad61"> 84</a></span>  <span class="keyword">inline</span> <span class="keywordtype">char</span> *<a class="code" href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a">narrow</a>(<span class="keywordtype">char</span> *output,<span class="keywordtype">size_t</span> output_size,<span class="keywordtype">wchar_t</span> <span class="keyword">const</span> *begin,<span class="keywordtype">wchar_t</span> <span class="keyword">const</span> *end)</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">basic_convert</a>(output,output_size,begin,end);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500"> 95</a></span>  <span class="keyword">inline</span> <span class="keywordtype">wchar_t</span> *<a class="code" href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500">widen</a>(<span class="keywordtype">wchar_t</span> *output,<span class="keywordtype">size_t</span> output_size,<span class="keywordtype">char</span> <span class="keyword">const</span> *source)</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">basic_convert</a>(output,output_size,source,details::basic_strend(source));</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a8bbb3c99ae08169220f3ba02ddf53a80"> 106</a></span>  <span class="keyword">inline</span> <span class="keywordtype">wchar_t</span> *<a class="code" href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500">widen</a>(<span class="keywordtype">wchar_t</span> *output,<span class="keywordtype">size_t</span> output_size,<span class="keywordtype">char</span> <span class="keyword">const</span> *begin,<span class="keywordtype">char</span> <span class="keyword">const</span> *end)</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">basic_convert</a>(output,output_size,begin,end);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a13b4f6f7f97f889ec858dde2d367b130"> 117</a></span>  <span class="keyword">inline</span> std::string <a class="code" href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a">narrow</a>(<span class="keywordtype">wchar_t</span> <span class="keyword">const</span> *s)</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> boost::locale::conv::utf_to_utf<char>(s);</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#aa914b18890c98fe5b9d1f1f9db53410a"> 126</a></span>  <span class="keyword">inline</span> std::wstring <a class="code" href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500">widen</a>(<span class="keywordtype">char</span> <span class="keyword">const</span> *s)</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> boost::locale::conv::utf_to_utf<wchar_t>(s);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a3b237483918f54bc0ee7b0d750811fc6"> 135</a></span>  <span class="keyword">inline</span> std::string <a class="code" href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a">narrow</a>(std::wstring <span class="keyword">const</span> &s) </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> boost::locale::conv::utf_to_utf<char>(s);</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#a478fc384f85c7fb53158d741d3cc066c"> 144</a></span>  <span class="keyword">inline</span> std::wstring <a class="code" href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500">widen</a>(std::string <span class="keyword">const</span> &s) </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> boost::locale::conv::utf_to_utf<wchar_t>(s);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> } <span class="comment">// nowide</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> } <span class="comment">// namespace boost</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4</span></div>
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<div class="ttc" id="namespaceboost_1_1nowide_html_ac2b772caed760a75f611c2dc24153e4a"><div class="ttname"><a href="namespaceboost_1_1nowide.html#ac2b772caed760a75f611c2dc24153e4a">boost::nowide::narrow</a></div><div class="ttdeci">char * narrow(char *output, size_t output_size, wchar_t const *source)</div><div class="ttdef"><b>Definition:</b> convert.hpp:73</div></div>
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<div class="ttc" id="namespaceboost_1_1nowide_html_a6baacc1bb80c134a2ce37f13977b5500"><div class="ttname"><a href="namespaceboost_1_1nowide.html#a6baacc1bb80c134a2ce37f13977b5500">boost::nowide::widen</a></div><div class="ttdeci">wchar_t * widen(wchar_t *output, size_t output_size, char const *source)</div><div class="ttdef"><b>Definition:</b> convert.hpp:95</div></div>
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<div class="ttc" id="namespaceboost_1_1nowide_html_a5816b009227ad8cd668881dfb5429ece"><div class="ttname"><a href="namespaceboost_1_1nowide.html#a5816b009227ad8cd668881dfb5429ece">boost::nowide::basic_convert</a></div><div class="ttdeci">CharOut * basic_convert(CharOut *buffer, size_t buffer_size, CharIn const *source_begin, CharIn const *source_end)</div><div class="ttdoc">Template function that converts a buffer of UTF sequences in range [source_begin,source_end) to the o...</div><div class="ttdef"><b>Definition:</b> convert.hpp:26</div></div>
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