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<p>C API: Plural rules, select plural keywords for numeric values.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="utypes_8h_source.html">unicode/utypes.h</a>"</code><br/>
<code>#include "<a class="el" href="localpointer_8h_source.html">unicode/localpointer.h</a>"</code><br/>
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<p><a href="upluralrules_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="memdesc:namespaceicu"><td class="mdescLeft"> </td><td class="mdescRight">File <a class="el" href="coll_8h.html" title="C++ API: Collation Service. ">coll.h</a>. <br/></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ae51c4d4f471dc5d984e8fde4b5a2cfdc"><td class="memItemLeft" align="right" valign="top">typedef enum <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#ae51c4d4f471dc5d984e8fde4b5a2cfdc">UPluralType</a></td></tr>
<tr class="separator:ae51c4d4f471dc5d984e8fde4b5a2cfdc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6fe07aecf6dfa5353e77be6c78e1ff36"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a></td></tr>
<tr class="memdesc:a6fe07aecf6dfa5353e77be6c78e1ff36"><td class="mdescLeft"> </td><td class="mdescRight">C typedef for struct UPluralRules. <a href="#a6fe07aecf6dfa5353e77be6c78e1ff36">More...</a><br/></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:afceec9f2dee10dbf3ca0d694f66d5d3c"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a> { <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3ca5c9970165fa5b953848d6a055061eb07">UPLURAL_TYPE_CARDINAL</a>,
<a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3ca5202122d3a4e2ad72d21879a7262aed0">UPLURAL_TYPE_ORDINAL</a>,
<a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3ca94bf640d740f7669175139a6b0978adc">UPLURAL_TYPE_COUNT</a>
}</td></tr>
<tr class="memdesc:afceec9f2dee10dbf3ca0d694f66d5d3c"><td class="mdescLeft"> </td><td class="mdescRight">Type of plurals and PluralRules. <a href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">More...</a><br/></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a2118fdf77493a611db487c736c8378d1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#a2118fdf77493a611db487c736c8378d1">uplrules_open</a> (const char *locale, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> *status)</td></tr>
<tr class="memdesc:a2118fdf77493a611db487c736c8378d1"><td class="mdescLeft"> </td><td class="mdescRight">Opens a new UPluralRules object using the predefined cardinal-number plural rules for a given locale. <a href="#a2118fdf77493a611db487c736c8378d1">More...</a><br/></td></tr>
<tr class="separator:a2118fdf77493a611db487c736c8378d1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1495538767c6f957b866792011477c89"><td class="memItemLeft" align="right" valign="top"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#a1495538767c6f957b866792011477c89">uplrules_openForType</a> (const char *locale, <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a> type, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> *status)</td></tr>
<tr class="memdesc:a1495538767c6f957b866792011477c89"><td class="mdescLeft"> </td><td class="mdescRight">Opens a new UPluralRules object using the predefined plural rules for a given locale and the plural type. <a href="#a1495538767c6f957b866792011477c89">More...</a><br/></td></tr>
<tr class="separator:a1495538767c6f957b866792011477c89"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f8f8ef893e446e154f5be80d4f410eb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#a5f8f8ef893e446e154f5be80d4f410eb">uplrules_close</a> (<a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> *uplrules)</td></tr>
<tr class="memdesc:a5f8f8ef893e446e154f5be80d4f410eb"><td class="mdescLeft"> </td><td class="mdescRight">Closes a UPluralRules object. <a href="#a5f8f8ef893e446e154f5be80d4f410eb">More...</a><br/></td></tr>
<tr class="separator:a5f8f8ef893e446e154f5be80d4f410eb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad2e1a8025cca2078e5a303802480540d"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="upluralrules_8h.html#ad2e1a8025cca2078e5a303802480540d">uplrules_select</a> (const <a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> *uplrules, double number, <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *keyword, int32_t capacity, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> *status)</td></tr>
<tr class="memdesc:ad2e1a8025cca2078e5a303802480540d"><td class="mdescLeft"> </td><td class="mdescRight">Given a number, returns the keyword of the first rule that applies to the number, according to the supplied UPluralRules object. <a href="#ad2e1a8025cca2078e5a303802480540d">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>C API: Plural rules, select plural keywords for numeric values. </p>
<p>A UPluralRules object defines rules for mapping non-negative numeric values onto a small set of keywords. Rules are constructed from a text description, consisting of a series of keywords and conditions. The uplrules_select function examines each condition in order and returns the keyword for the first condition that matches the number. If none match, the default rule(other) is returned.</p>
<p>For more information, see the LDML spec, C.11 Language Plural Rules: <a href="http://www.unicode.org/reports/tr35/#Language_Plural_Rules">http://www.unicode.org/reports/tr35/#Language_Plural_Rules</a></p>
<p>Keywords: ICU locale data has 6 predefined values - 'zero', 'one', 'two', 'few', 'many' and 'other'. Callers need to check the value of keyword returned by the uplrules_select function.</p>
<p>These are based on CLDR <em>Language Plural Rules</em>. For these predefined rules, see the CLDR page at <a href="http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html">http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html</a> </p>
<p>Definition in file <a class="el" href="upluralrules_8h_source.html">upluralrules.h</a>.</p>
</div><h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct <a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> <a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a></td>
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<p>C typedef for struct UPluralRules. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004996">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<p>Definition at line <a class="el" href="upluralrules_8h_source.html#l00071">71</a> of file <a class="el" href="upluralrules_8h_source.html">upluralrules.h</a>.</p>
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<td class="memname">typedef enum <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a> <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a></td>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004994">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
<p>Definition at line <a class="el" href="upluralrules_8h_source.html#l00064">64</a> of file <a class="el" href="upluralrules_8h_source.html">upluralrules.h</a>.</p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a></td>
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<p>Type of plurals and PluralRules. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004993">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="afceec9f2dee10dbf3ca0d694f66d5d3ca5c9970165fa5b953848d6a055061eb07"></a>UPLURAL_TYPE_CARDINAL</em> </td><td class="fielddoc">
<p>Plural rules for cardinal numbers: 1 file vs. </p>
<p>2 files. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable005001">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
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<tr><td class="fieldname"><em><a class="anchor" id="afceec9f2dee10dbf3ca0d694f66d5d3ca5202122d3a4e2ad72d21879a7262aed0"></a>UPLURAL_TYPE_ORDINAL</em> </td><td class="fielddoc">
<p>Plural rules for ordinal numbers: 1st file, 2nd file, 3rd file, 4th file, etc. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable005002">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
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<tr><td class="fieldname"><em><a class="anchor" id="afceec9f2dee10dbf3ca0d694f66d5d3ca94bf640d740f7669175139a6b0978adc"></a>UPLURAL_TYPE_COUNT</em> </td><td class="fielddoc">
<p>Number of Plural rules types. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable005003">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
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<p>Definition at line <a class="el" href="upluralrules_8h_source.html#l00044">44</a> of file <a class="el" href="upluralrules_8h_source.html">upluralrules.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void uplrules_close </td>
<td>(</td>
<td class="paramtype"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> * </td>
<td class="paramname"><em>uplrules</em></td><td>)</td>
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<p>Closes a UPluralRules object. </p>
<p>Once closed it may no longer be used. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uplrules</td><td>The UPluralRules object to close. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004999">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
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<td class="memname"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a>* uplrules_open </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>locale</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> * </td>
<td class="paramname"><em>status</em> </td>
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<td>)</td>
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<p>Opens a new UPluralRules object using the predefined cardinal-number plural rules for a given locale. </p>
<p>Same as uplrules_openForType(locale, UPLURAL_TYPE_CARDINAL, status). </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">locale</td><td>The locale for which the rules are desired. </td></tr>
<tr><td class="paramname">status</td><td>A pointer to a UErrorCode to receive any errors. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A UPluralRules for the specified locale, or NULL if an error occurred. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004997">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
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<td class="memname"><a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a>* uplrules_openForType </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>locale</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="upluralrules_8h.html#afceec9f2dee10dbf3ca0d694f66d5d3c">UPluralType</a> </td>
<td class="paramname"><em>type</em>, </td>
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<td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> * </td>
<td class="paramname"><em>status</em> </td>
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<p>Opens a new UPluralRules object using the predefined plural rules for a given locale and the plural type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">locale</td><td>The locale for which the rules are desired. </td></tr>
<tr><td class="paramname">type</td><td>The plural type (e.g., cardinal or ordinal). </td></tr>
<tr><td class="paramname">status</td><td>A pointer to a UErrorCode to receive any errors. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A UPluralRules for the specified locale, or NULL if an error occurred. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004998">Stable:</a></b></dt><dd>ICU 50 </dd></dl>
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<td class="memname">int32_t uplrules_select </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="upluralrules_8h.html#a6fe07aecf6dfa5353e77be6c78e1ff36">UPluralRules</a> * </td>
<td class="paramname"><em>uplrules</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>number</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> * </td>
<td class="paramname"><em>keyword</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>capacity</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> * </td>
<td class="paramname"><em>status</em> </td>
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<p>Given a number, returns the keyword of the first rule that applies to the number, according to the supplied UPluralRules object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uplrules</td><td>The UPluralRules object specifying the rules. </td></tr>
<tr><td class="paramname">number</td><td>The number for which the rule has to be determined. </td></tr>
<tr><td class="paramname">keyword</td><td>The keyword of the rule that applies to number. </td></tr>
<tr><td class="paramname">capacity</td><td>The capacity of keyword. </td></tr>
<tr><td class="paramname">status</td><td>A pointer to a UErrorCode to receive any errors. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The length of keyword. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable005000">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
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