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<li class="navelem"><a class="el" href="dir_73bc6a9bb617ea1bc89a10aa59ce84e4.html">i18n</a></li><li class="navelem"><a class="el" href="dir_0119ce638985e8a1561a00fdb5f76ff6.html">unicode</a></li>  </ul>
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<a href="sortkey_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// © 2016 and later: Unicode, Inc. and others.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// License &amp; terms of use: http://www.unicode.org/copyright.html</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"> *****************************************************************************</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Copyright (C) 1996-2014, International Business Machines Corporation and others.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * All Rights Reserved.</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="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * File sortkey.h</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * Created by: Helena Shih</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Modification History:</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *  Date         Name          Description</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *  6/20/97     helena      Java class name change.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *  8/18/97     helena      Added internal API documentation.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *  6/26/98     erm         Changed to use byte arrays and memcmp.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *****************************************************************************</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#ifndef SORTKEY_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#define SORTKEY_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="utypes_8h.html">unicode/utypes.h</a>&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#if !UCONFIG_NO_COLLATION</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="uobject_8h.html">unicode/uobject.h</a>&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="unistr_8h.html">unicode/unistr.h</a>&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="coll_8h.html">unicode/coll.h</a>&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;U_NAMESPACE_BEGIN</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;<span class="comment">/* forward declaration */</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">class </span>RuleBasedCollator;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">class </span>CollationKeyByteSink;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html">  101</a></span>&#160;<span class="keyword">class </span><a class="code" href="utypes_8h.html#ab9d90a30137b6ec046fe59e79b09745a">U_I18N_API</a> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a> : <span class="keyword">public</span> <a class="code" href="classicu_1_1UObject.html">UObject</a> {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#abca92dc37f5a3202815dfd07a0f404ff">  110</a></span>&#160;    <a class="code" href="classicu_1_1CollationKey.html#abca92dc37f5a3202815dfd07a0f404ff">CollationKey</a>();</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#aa41763b6bcf56a0cb10fff00aa0da039">  119</a></span>&#160;    <a class="code" href="classicu_1_1CollationKey.html#aa41763b6bcf56a0cb10fff00aa0da039">CollationKey</a>(<span class="keyword">const</span>  uint8_t*    values,</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                int32_t     count);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#a3f4bc5da09ccd4f2157002c87d7ac1cb">  127</a></span>&#160;    <a class="code" href="classicu_1_1CollationKey.html#a3f4bc5da09ccd4f2157002c87d7ac1cb">CollationKey</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; other);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#a2b24b0443f4d54dd4c0539ea4694820c">  133</a></span>&#160;    <span class="keyword">virtual</span> <a class="code" href="classicu_1_1CollationKey.html#a2b24b0443f4d54dd4c0539ea4694820c">~CollationKey</a>();</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#ac49d8912e6b5f9414ae7aadfa27e5fc8">  140</a></span>&#160;    <span class="keyword">const</span>   <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp;   <a class="code" href="classicu_1_1CollationKey.html#ac49d8912e6b5f9414ae7aadfa27e5fc8">operator=</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; other);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#ac4f579d374b648d60584ada39a12b0d5">  148</a></span>&#160;    <span class="keywordtype">bool</span>                    <a class="code" href="classicu_1_1CollationKey.html#ac4f579d374b648d60584ada39a12b0d5">operator==</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; source) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="keywordtype">bool</span>                    <a class="code" href="namespaceicu.html#a8d8f68e93f4a83a227b82cec7745dff6">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; source) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <a class="code" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>                   isBogus(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keyword">const</span>    uint8_t*       getByteArray(int32_t&amp; count) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">#ifdef U_USE_COLLATION_KEY_DEPRECATES</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    uint8_t*                toByteArray(int32_t&amp; count) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor">#ifndef U_HIDE_DEPRECATED_API </span></div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#ab087d29231b801ffca0b95d52c9b78e7">  199</a></span>&#160;    <a class="code" href="classicu_1_1Collator.html#ac9827be018f594eae0573473034233b7">Collator::EComparisonResult</a> <a class="code" href="classicu_1_1CollationKey.html#ab087d29231b801ffca0b95d52c9b78e7">compareTo</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; target) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="preprocessor">#endif  </span><span class="comment">/* U_HIDE_DEPRECATED_API */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#aa16d772633dcf7d975a216acc4df2713">  212</a></span>&#160;    <a class="code" href="ucol_8h.html#a8b4e71db8109af87f84ac1576e2b245d">UCollationResult</a> <a class="code" href="classicu_1_1CollationKey.html#aa16d772633dcf7d975a216acc4df2713">compareTo</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; target, <a class="code" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#acb5e666a9da1bc8712bab26e949bdd91">  234</a></span>&#160;    int32_t                 <a class="code" href="classicu_1_1CollationKey.html#acb5e666a9da1bc8712bab26e949bdd91">hashCode</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160; </div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#a6a0f7d6da75a78941fced2dab048b704">  240</a></span>&#160;    <span class="keyword">virtual</span> <a class="code" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> <a class="code" href="classicu_1_1CollationKey.html#a6a0f7d6da75a78941fced2dab048b704">getDynamicClassID</a>() <span class="keyword">const override</span>;</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#aa18953913575f713f4d76452cc8ee002">  246</a></span>&#160;    <span class="keyword">static</span> <a class="code" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> U_EXPORT2 <a class="code" href="classicu_1_1CollationKey.html#aa18953913575f713f4d76452cc8ee002">getStaticClassID</a>();</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    uint8_t *reallocate(int32_t newCapacity, int32_t length);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keywordtype">void</span> setLength(int32_t newLength);</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;    uint8_t *getBytes() {</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        <span class="keywordflow">return</span> (fFlagAndLength &gt;= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    }</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="keyword">const</span> uint8_t *getBytes()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        <span class="keywordflow">return</span> (fFlagAndLength &gt;= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    }</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    int32_t getCapacity()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        <span class="keywordflow">return</span> (fFlagAndLength &gt;= 0) ? (int32_t)<span class="keyword">sizeof</span>(fUnion) : fUnion.fFields.fCapacity;</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;    int32_t getLength()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> fFlagAndLength &amp; 0x7fffffff; }</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    CollationKey&amp;           setToBogus(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    CollationKey&amp;           reset(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160; </div>
<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#a1918e53ed4bb8208fdd6df3ed4ec2548">  285</a></span>&#160;    <span class="keyword">friend</span>  <span class="keyword">class           </span><a class="code" href="classicu_1_1RuleBasedCollator.html">RuleBasedCollator</a>;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keyword">friend</span>  <span class="keyword">class           </span>CollationKeyByteSink;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <span class="comment">// Class fields. sizeof(CollationKey) is intended to be 48 bytes</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="comment">// on a machine with 64-bit pointers.</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <span class="comment">// We use a union to maximize the size of the internal buffer,</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    <span class="comment">// similar to UnicodeString but not as tight and complex.</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160; </div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="comment">// (implicit) *vtable;</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="comment"></span>    int32_t fFlagAndLength;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keyword">mutable</span> int32_t fHashCode;</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keyword">union </span>StackBufferOrFields {</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        uint8_t fStackBuffer[32];</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;            uint8_t *fBytes;</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;            int32_t fCapacity;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        } fFields;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    } fUnion;</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;};</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#acfea18546e4a6fb9d6c987f6519e54fe">  320</a></span>&#160;<a class="code" href="namespaceicu.html#a8d8f68e93f4a83a227b82cec7745dff6">CollationKey::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classicu_1_1CollationKey.html">CollationKey</a>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == other);</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;}</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="keyword">inline</span> <a class="code" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a></div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#ad7c47dbafd6eb5b4533e42b055391117">  326</a></span>&#160;CollationKey::isBogus()<span class="keyword"> const</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="keywordflow">return</span> fHashCode == 2;  <span class="comment">// kBogusHashCode</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;}</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160; </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> uint8_t*</div>
<div class="line"><a name="l00332"></a><span class="lineno"><a class="line" href="classicu_1_1CollationKey.html#a214561cfeda892fdd7ef8595bebc06ba">  332</a></span>&#160;CollationKey::getByteArray(int32_t &amp;count)<span class="keyword"> const</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    count = getLength();</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    <span class="keywordflow">return</span> getBytes();</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;}</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;U_NAMESPACE_END</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* #if !UCONFIG_NO_COLLATION */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* U_SHOW_CPLUSPLUS_API */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html"><div class="ttname"><a href="classicu_1_1CollationKey.html">icu::CollationKey</a></div><div class="ttdoc">Collation keys are generated by the Collator class.</div><div class="ttdef"><b>Definition:</b> <a href="sortkey_8h_source.html#l00101">sortkey.h:101</a></div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_a2b24b0443f4d54dd4c0539ea4694820c"><div class="ttname"><a href="classicu_1_1CollationKey.html#a2b24b0443f4d54dd4c0539ea4694820c">icu::CollationKey::~CollationKey</a></div><div class="ttdeci">virtual ~CollationKey()</div><div class="ttdoc">Sort key destructor.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_a3f4bc5da09ccd4f2157002c87d7ac1cb"><div class="ttname"><a href="classicu_1_1CollationKey.html#a3f4bc5da09ccd4f2157002c87d7ac1cb">icu::CollationKey::CollationKey</a></div><div class="ttdeci">CollationKey(const CollationKey &amp;other)</div><div class="ttdoc">Copy constructor.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_a6a0f7d6da75a78941fced2dab048b704"><div class="ttname"><a href="classicu_1_1CollationKey.html#a6a0f7d6da75a78941fced2dab048b704">icu::CollationKey::getDynamicClassID</a></div><div class="ttdeci">virtual UClassID getDynamicClassID() const override</div><div class="ttdoc">ICU &quot;poor man's RTTI&quot;, returns a UClassID for the actual class.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_aa16d772633dcf7d975a216acc4df2713"><div class="ttname"><a href="classicu_1_1CollationKey.html#aa16d772633dcf7d975a216acc4df2713">icu::CollationKey::compareTo</a></div><div class="ttdeci">UCollationResult compareTo(const CollationKey &amp;target, UErrorCode &amp;status) const</div><div class="ttdoc">Convenience method which does a string(bit-wise) comparison of the two collation keys.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_aa18953913575f713f4d76452cc8ee002"><div class="ttname"><a href="classicu_1_1CollationKey.html#aa18953913575f713f4d76452cc8ee002">icu::CollationKey::getStaticClassID</a></div><div class="ttdeci">static UClassID getStaticClassID()</div><div class="ttdoc">ICU &quot;poor man's RTTI&quot;, returns a UClassID for this class.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_aa41763b6bcf56a0cb10fff00aa0da039"><div class="ttname"><a href="classicu_1_1CollationKey.html#aa41763b6bcf56a0cb10fff00aa0da039">icu::CollationKey::CollationKey</a></div><div class="ttdeci">CollationKey(const uint8_t *values, int32_t count)</div><div class="ttdoc">Creates a collation key based on the collation key values.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_ab087d29231b801ffca0b95d52c9b78e7"><div class="ttname"><a href="classicu_1_1CollationKey.html#ab087d29231b801ffca0b95d52c9b78e7">icu::CollationKey::compareTo</a></div><div class="ttdeci">Collator::EComparisonResult compareTo(const CollationKey &amp;target) const</div><div class="ttdoc">Convenience method which does a string(bit-wise) comparison of the two collation keys.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_abca92dc37f5a3202815dfd07a0f404ff"><div class="ttname"><a href="classicu_1_1CollationKey.html#abca92dc37f5a3202815dfd07a0f404ff">icu::CollationKey::CollationKey</a></div><div class="ttdeci">CollationKey()</div><div class="ttdoc">This creates an empty collation key based on the null string.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_ac49d8912e6b5f9414ae7aadfa27e5fc8"><div class="ttname"><a href="classicu_1_1CollationKey.html#ac49d8912e6b5f9414ae7aadfa27e5fc8">icu::CollationKey::operator=</a></div><div class="ttdeci">const CollationKey &amp; operator=(const CollationKey &amp;other)</div><div class="ttdoc">Assignment operator.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_ac4f579d374b648d60584ada39a12b0d5"><div class="ttname"><a href="classicu_1_1CollationKey.html#ac4f579d374b648d60584ada39a12b0d5">icu::CollationKey::operator==</a></div><div class="ttdeci">bool operator==(const CollationKey &amp;source) const</div><div class="ttdoc">Compare if two collation keys are the same.</div></div>
<div class="ttc" id="aclassicu_1_1CollationKey_html_acb5e666a9da1bc8712bab26e949bdd91"><div class="ttname"><a href="classicu_1_1CollationKey.html#acb5e666a9da1bc8712bab26e949bdd91">icu::CollationKey::hashCode</a></div><div class="ttdeci">int32_t hashCode(void) const</div><div class="ttdoc">Creates an integer that is unique to the collation key.</div></div>
<div class="ttc" id="aclassicu_1_1Collator_html_ac9827be018f594eae0573473034233b7"><div class="ttname"><a href="classicu_1_1Collator.html#ac9827be018f594eae0573473034233b7">icu::Collator::EComparisonResult</a></div><div class="ttdeci">EComparisonResult</div><div class="ttdoc">LESS is returned if source string is compared to be less than target string in the compare() method.</div><div class="ttdef"><b>Definition:</b> <a href="coll_8h_source.html#l00220">coll.h:221</a></div></div>
<div class="ttc" id="aclassicu_1_1RuleBasedCollator_html"><div class="ttname"><a href="classicu_1_1RuleBasedCollator.html">icu::RuleBasedCollator</a></div><div class="ttdoc">The RuleBasedCollator class provides the implementation of Collator, using data-driven tables.</div><div class="ttdef"><b>Definition:</b> <a href="tblcoll_8h_source.html#l00115">tblcoll.h:115</a></div></div>
<div class="ttc" id="aclassicu_1_1UObject_html"><div class="ttname"><a href="classicu_1_1UObject.html">icu::UObject</a></div><div class="ttdoc">UObject is the common ICU &quot;boilerplate&quot; class.</div><div class="ttdef"><b>Definition:</b> <a href="uobject_8h_source.html#l00223">uobject.h:223</a></div></div>
<div class="ttc" id="acoll_8h_html"><div class="ttname"><a href="coll_8h.html">coll.h</a></div><div class="ttdoc">C++ API: Collation Service.</div></div>
<div class="ttc" id="anamespaceicu_html_a8d8f68e93f4a83a227b82cec7745dff6"><div class="ttname"><a href="namespaceicu.html#a8d8f68e93f4a83a227b82cec7745dff6">icu::operator!=</a></div><div class="ttdeci">bool operator!=(const StringPiece &amp;x, const StringPiece &amp;y)</div><div class="ttdoc">Global operator != for StringPiece.</div><div class="ttdef"><b>Definition:</b> <a href="stringpiece_8h_source.html#l00335">stringpiece.h:335</a></div></div>
<div class="ttc" id="aucol_8h_html_a8b4e71db8109af87f84ac1576e2b245d"><div class="ttname"><a href="ucol_8h.html#a8b4e71db8109af87f84ac1576e2b245d">UCollationResult</a></div><div class="ttdeci">UCollationResult</div><div class="ttdoc">UCOL_LESS is returned if source string is compared to be less than target string in the ucol_strcoll(...</div><div class="ttdef"><b>Definition:</b> <a href="ucol_8h_source.html#l00076">ucol.h:76</a></div></div>
<div class="ttc" id="aumachine_8h_html_a349ef00011f20ccd1d3b424445681aa5"><div class="ttname"><a href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a></div><div class="ttdeci">int8_t UBool</div><div class="ttdoc">The ICU boolean type, a signed-byte integer.</div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00247">umachine.h:247</a></div></div>
<div class="ttc" id="aunistr_8h_html"><div class="ttname"><a href="unistr_8h.html">unistr.h</a></div><div class="ttdoc">C++ API: Unicode String.</div></div>
<div class="ttc" id="auobject_8h_html"><div class="ttname"><a href="uobject_8h.html">uobject.h</a></div><div class="ttdoc">C++ API: Common ICU base class UObject.</div></div>
<div class="ttc" id="auobject_8h_html_a22af10545208a455a6e884008df48e9f"><div class="ttname"><a href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a></div><div class="ttdeci">void * UClassID</div><div class="ttdoc">UClassID is used to identify classes without using the compiler's RTTI.</div><div class="ttdef"><b>Definition:</b> <a href="uobject_8h_source.html#l00096">uobject.h:96</a></div></div>
<div class="ttc" id="autypes_8h_html"><div class="ttname"><a href="utypes_8h.html">utypes.h</a></div><div class="ttdoc">Basic definitions for ICU, for both C and C++ APIs.</div></div>
<div class="ttc" id="autypes_8h_html_a3343c1c8a8377277046774691c98d78c"><div class="ttname"><a href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a></div><div class="ttdeci">UErrorCode</div><div class="ttdoc">Standard ICU4C error code type, a substitute for exceptions.</div><div class="ttdef"><b>Definition:</b> <a href="utypes_8h_source.html#l00415">utypes.h:415</a></div></div>
<div class="ttc" id="autypes_8h_html_ab9d90a30137b6ec046fe59e79b09745a"><div class="ttname"><a href="utypes_8h.html#ab9d90a30137b6ec046fe59e79b09745a">U_I18N_API</a></div><div class="ttdeci">#define U_I18N_API</div><div class="ttdoc">Set to export library symbols from inside the i18n library, and to import them from outside.</div><div class="ttdef"><b>Definition:</b> <a href="utypes_8h_source.html#l00301">utypes.h:301</a></div></div>
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