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<div class="title">ustringtrie.h File Reference</div> </div>
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<p>C API: Helper definitions for dictionary trie APIs.
<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 />
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<p><a href="ustringtrie_8h_source.html">Go to the source code of this file.</a></p>
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Macros</h2></td></tr>
<tr class="memitem:ad1e3fea7099ad56dfbc6d82d997a15ec"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ustringtrie_8h.html#ad1e3fea7099ad56dfbc6d82d997a15ec">USTRINGTRIE_MATCHES</a>(result)   ((result)!=<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda59cdeb2ea73a75c61684b4ea11ccfb37">USTRINGTRIE_NO_MATCH</a>)</td></tr>
<tr class="memdesc:ad1e3fea7099ad56dfbc6d82d997a15ec"><td class="mdescLeft"> </td><td class="mdescRight">Same as (result!=USTRINGTRIE_NO_MATCH). <a href="#ad1e3fea7099ad56dfbc6d82d997a15ec">More...</a><br /></td></tr>
<tr class="separator:ad1e3fea7099ad56dfbc6d82d997a15ec"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af1bd176224b0d2e692c76d819be185b8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ustringtrie_8h.html#af1bd176224b0d2e692c76d819be185b8">USTRINGTRIE_HAS_VALUE</a>(result)   ((result)>=<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda4474a12ed66e5def252c31cadd0a2663">USTRINGTRIE_FINAL_VALUE</a>)</td></tr>
<tr class="memdesc:af1bd176224b0d2e692c76d819be185b8"><td class="mdescLeft"> </td><td class="mdescRight">Equivalent to (result==USTRINGTRIE_INTERMEDIATE_VALUE || result==USTRINGTRIE_FINAL_VALUE) but this macro evaluates result exactly once. <a href="#af1bd176224b0d2e692c76d819be185b8">More...</a><br /></td></tr>
<tr class="separator:af1bd176224b0d2e692c76d819be185b8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7e1962396a228f3d0f7d073fef78e2e0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ustringtrie_8h.html#a7e1962396a228f3d0f7d073fef78e2e0">USTRINGTRIE_HAS_NEXT</a>(result)   ((result)&1)</td></tr>
<tr class="memdesc:a7e1962396a228f3d0f7d073fef78e2e0"><td class="mdescLeft"> </td><td class="mdescRight">Equivalent to (result==USTRINGTRIE_NO_VALUE || result==USTRINGTRIE_INTERMEDIATE_VALUE) but this macro evaluates result exactly once. <a href="#a7e1962396a228f3d0f7d073fef78e2e0">More...</a><br /></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:a760046451d48a1551ba71162a31365bd"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bd">UStringTrieResult</a> { <a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda59cdeb2ea73a75c61684b4ea11ccfb37">USTRINGTRIE_NO_MATCH</a>,
<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda686677dbe92d514a0f424b48810fb21c">USTRINGTRIE_NO_VALUE</a>,
<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda4474a12ed66e5def252c31cadd0a2663">USTRINGTRIE_FINAL_VALUE</a>,
<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda62f2fef78e07bab5f68fa803b581504f">USTRINGTRIE_INTERMEDIATE_VALUE</a>
}<tr class="memdesc:a760046451d48a1551ba71162a31365bd"><td class="mdescLeft"> </td><td class="mdescRight">Return values for BytesTrie::next(), UCharsTrie::next() and similar methods. <a href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bd">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: Helper definitions for dictionary trie APIs. </p>
<p>Definition in file <a class="el" href="ustringtrie_8h_source.html">ustringtrie.h</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define USTRINGTRIE_HAS_NEXT</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">result</td><td>)</td>
<td>   ((result)&1)</td>
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<p>Equivalent to (result==USTRINGTRIE_NO_VALUE || result==USTRINGTRIE_INTERMEDIATE_VALUE) but this macro evaluates result exactly once. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">result</td><td>A result from BytesTrie::first(), UCharsTrie::next() etc. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if another input byte/unit can continue a matching string. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002793">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<p>Definition at line <a class="el" href="ustringtrie_8h_source.html#l00095">95</a> of file <a class="el" href="ustringtrie_8h_source.html">ustringtrie.h</a>.</p>
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<td class="memname">#define USTRINGTRIE_HAS_VALUE</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">result</td><td>)</td>
<td>   ((result)>=<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda4474a12ed66e5def252c31cadd0a2663">USTRINGTRIE_FINAL_VALUE</a>)</td>
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</div><div class="memdoc">
<p>Equivalent to (result==USTRINGTRIE_INTERMEDIATE_VALUE || result==USTRINGTRIE_FINAL_VALUE) but this macro evaluates result exactly once. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">result</td><td>A result from BytesTrie::first(), UCharsTrie::next() etc. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if there is a value for the input bytes/units so far. </dd></dl>
<dl class="section see"><dt>See also</dt><dd>BytesTrie::getValue </dd>
<dd>
UCharsTrie::getValue </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002792">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<p>Definition at line <a class="el" href="ustringtrie_8h_source.html#l00086">86</a> of file <a class="el" href="ustringtrie_8h_source.html">ustringtrie.h</a>.</p>
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<td class="memname">#define USTRINGTRIE_MATCHES</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">result</td><td>)</td>
<td>   ((result)!=<a class="el" href="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bda59cdeb2ea73a75c61684b4ea11ccfb37">USTRINGTRIE_NO_MATCH</a>)</td>
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</div><div class="memdoc">
<p>Same as (result!=USTRINGTRIE_NO_MATCH). </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">result</td><td>A result from BytesTrie::first(), UCharsTrie::next() etc. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the input bytes/units so far are part of a matching string/byte sequence. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002791">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<p>Definition at line <a class="el" href="ustringtrie_8h_source.html#l00075">75</a> of file <a class="el" href="ustringtrie_8h_source.html">ustringtrie.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="ustringtrie_8h.html#a760046451d48a1551ba71162a31365bd">UStringTrieResult</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Return values for BytesTrie::next(), UCharsTrie::next() and similar methods. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="ustringtrie_8h.html#ad1e3fea7099ad56dfbc6d82d997a15ec" title="Same as (result!=USTRINGTRIE_NO_MATCH). ">USTRINGTRIE_MATCHES</a> </dd>
<dd>
<a class="el" href="ustringtrie_8h.html#af1bd176224b0d2e692c76d819be185b8" title="Equivalent to (result==USTRINGTRIE_INTERMEDIATE_VALUE || result==USTRINGTRIE_FINAL_VALUE) but this ma...">USTRINGTRIE_HAS_VALUE</a> </dd>
<dd>
<a class="el" href="ustringtrie_8h.html#a7e1962396a228f3d0f7d073fef78e2e0" title="Equivalent to (result==USTRINGTRIE_NO_VALUE || result==USTRINGTRIE_INTERMEDIATE_VALUE) but this macro...">USTRINGTRIE_HAS_NEXT</a> </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002790">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="a760046451d48a1551ba71162a31365bda59cdeb2ea73a75c61684b4ea11ccfb37"></a>USTRINGTRIE_NO_MATCH </td><td class="fielddoc">
<p>The input unit(s) did not continue a matching string. </p>
<p>Once current()/next() return USTRINGTRIE_NO_MATCH, all further calls to current()/next() will also return USTRINGTRIE_NO_MATCH, until the trie is reset to its original state or to a saved state. </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable002794">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="a760046451d48a1551ba71162a31365bda686677dbe92d514a0f424b48810fb21c"></a>USTRINGTRIE_NO_VALUE </td><td class="fielddoc">
<p>The input unit(s) continued a matching string but there is no value for the string so far. </p>
<p>(It is a prefix of a longer string.) </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable002795">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="a760046451d48a1551ba71162a31365bda4474a12ed66e5def252c31cadd0a2663"></a>USTRINGTRIE_FINAL_VALUE </td><td class="fielddoc">
<p>The input unit(s) continued a matching string and there is a value for the string so far. </p>
<p>This value will be returned by getValue(). No further input byte/unit can continue a matching string. </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable002796">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="a760046451d48a1551ba71162a31365bda62f2fef78e07bab5f68fa803b581504f"></a>USTRINGTRIE_INTERMEDIATE_VALUE </td><td class="fielddoc">
<p>The input unit(s) continued a matching string and there is a value for the string so far. </p>
<p>This value will be returned by getValue(). Another input byte/unit can continue a matching string. </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable002797">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
</td></tr>
</table>
<p>Definition at line <a class="el" href="ustringtrie_8h_source.html#l00035">35</a> of file <a class="el" href="ustringtrie_8h_source.html">ustringtrie.h</a>.</p>
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