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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">UnicodeFilter Class Reference</div> </div>
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<p><code><a class="el" href="classUnicodeFilter.html" title="UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...">UnicodeFilter</a></code> defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Unicode characters.
<a href="classUnicodeFilter.html#details">More...</a></p>
<p><code>#include <<a class="el" href="unifilt_8h_source.html">unifilt.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for UnicodeFilter:</div>
<div class="dyncontent">
<div class="center">
<img src="classUnicodeFilter.png" usemap="#UnicodeFilter_map" alt=""/>
<map id="UnicodeFilter_map" name="UnicodeFilter_map">
<area href="classUnicodeFunctor.html" title="UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ..." alt="UnicodeFunctor" shape="rect" coords="0,112,105,136"/>
<area href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s..." alt="UnicodeMatcher" shape="rect" coords="115,112,220,136"/>
<area href="classUObject.html" title="UObject is the common ICU "boilerplate" class." alt="UObject" shape="rect" coords="0,56,105,80"/>
<area href="classUMemory.html" title="UMemory is the common ICU base class." alt="UMemory" shape="rect" coords="0,0,105,24"/>
<area href="classUnicodeSet.html" title="A mutable set of Unicode characters and multicharacter strings." alt="UnicodeSet" shape="rect" coords="57,224,162,248"/>
</map>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a3d7a3c7903d906784bf208cee420014d"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#a3d7a3c7903d906784bf208cee420014d">~UnicodeFilter</a> ()</td></tr>
<tr class="memdesc:a3d7a3c7903d906784bf208cee420014d"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a3d7a3c7903d906784bf208cee420014d"></a><br/></td></tr>
<tr class="memitem:aa3b2c85ffa0cff083009efb324de84ca"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#aa3b2c85ffa0cff083009efb324de84ca">contains</a> (<a class="el" href="umachine_8h.html#a09fff5c3b5a5b015324dc3ec3cf92809">UChar32</a> c) const =0</td></tr>
<tr class="memdesc:aa3b2c85ffa0cff083009efb324de84ca"><td class="mdescLeft"> </td><td class="mdescRight">Returns <code>true</code> for characters that are in the selected subset. <a href="#aa3b2c85ffa0cff083009efb324de84ca"></a><br/></td></tr>
<tr class="memitem:a79392092ceb92adda473ac09d6f88f6c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classUnicodeMatcher.html">UnicodeMatcher</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#a79392092ceb92adda473ac09d6f88f6c">toMatcher</a> () const </td></tr>
<tr class="memdesc:a79392092ceb92adda473ac09d6f88f6c"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classUnicodeFunctor.html" title="UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ...">UnicodeFunctor</a> API. <a href="#a79392092ceb92adda473ac09d6f88f6c"></a><br/></td></tr>
<tr class="memitem:aea7e423b6ea7e4588bf7f5aa220e665c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="unimatch_8h.html#aa87e5322490b3e89e6913bfabd0390e6">UMatchDegree</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#aea7e423b6ea7e4588bf7f5aa220e665c">matches</a> (const <a class="el" href="classReplaceable.html">Replaceable</a> &text, <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> &offset, <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> limit, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> incremental)</td></tr>
<tr class="memdesc:aea7e423b6ea7e4588bf7f5aa220e665c"><td class="mdescLeft"> </td><td class="mdescRight">Implement <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a> API. <a href="#aea7e423b6ea7e4588bf7f5aa220e665c"></a><br/></td></tr>
<tr class="memitem:afd1f679426b2fbde93af707e3ba8c0a2"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#afd1f679426b2fbde93af707e3ba8c0a2">setData</a> (const TransliterationRuleData *)</td></tr>
<tr class="memdesc:afd1f679426b2fbde93af707e3ba8c0a2"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classUnicodeFunctor.html" title="UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ...">UnicodeFunctor</a> API. <a href="#afd1f679426b2fbde93af707e3ba8c0a2"></a><br/></td></tr>
<tr class="inherit_header pub_methods_classUnicodeFunctor"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classUnicodeFunctor')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classUnicodeFunctor.html">UnicodeFunctor</a></td></tr>
<tr class="memitem:a3e7b6e387992d82cab424079cd623972 inherit pub_methods_classUnicodeFunctor"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFunctor.html#a3e7b6e387992d82cab424079cd623972">~UnicodeFunctor</a> ()</td></tr>
<tr class="memdesc:a3e7b6e387992d82cab424079cd623972 inherit pub_methods_classUnicodeFunctor"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a3e7b6e387992d82cab424079cd623972"></a><br/></td></tr>
<tr class="memitem:ae9aaff845a9885df3ec336df1b4afa10 inherit pub_methods_classUnicodeFunctor"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classUnicodeFunctor.html">UnicodeFunctor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFunctor.html#ae9aaff845a9885df3ec336df1b4afa10">clone</a> () const =0</td></tr>
<tr class="memdesc:ae9aaff845a9885df3ec336df1b4afa10 inherit pub_methods_classUnicodeFunctor"><td class="mdescLeft"> </td><td class="mdescRight">Return a copy of this object. <a href="#ae9aaff845a9885df3ec336df1b4afa10"></a><br/></td></tr>
<tr class="memitem:af035fa7395f9996afe8ff6d934198884 inherit pub_methods_classUnicodeFunctor"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classUnicodeReplacer.html">UnicodeReplacer</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFunctor.html#af035fa7395f9996afe8ff6d934198884">toReplacer</a> () const </td></tr>
<tr class="memdesc:af035fa7395f9996afe8ff6d934198884 inherit pub_methods_classUnicodeFunctor"><td class="mdescLeft"> </td><td class="mdescRight">Cast 'this' to a UnicodeReplacer* pointer and return the pointer, or null if this is not a UnicodeReplacer*. <a href="#af035fa7395f9996afe8ff6d934198884"></a><br/></td></tr>
<tr class="memitem:a6eaa9f077fe622d4c02643865f99bfa2 inherit pub_methods_classUnicodeFunctor"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFunctor.html#a6eaa9f077fe622d4c02643865f99bfa2">getDynamicClassID</a> (void) const =0</td></tr>
<tr class="memdesc:a6eaa9f077fe622d4c02643865f99bfa2 inherit pub_methods_classUnicodeFunctor"><td class="mdescLeft"> </td><td class="mdescRight">Returns a unique class ID <b>polymorphically</b>. <a href="#a6eaa9f077fe622d4c02643865f99bfa2"></a><br/></td></tr>
<tr class="inherit_header pub_methods_classUObject"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classUObject')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classUObject.html">UObject</a></td></tr>
<tr class="memitem:ace22cf29a90641ef43350deae5bedb85 inherit pub_methods_classUObject"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classUObject.html#ace22cf29a90641ef43350deae5bedb85">~UObject</a> ()</td></tr>
<tr class="memdesc:ace22cf29a90641ef43350deae5bedb85 inherit pub_methods_classUObject"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#ace22cf29a90641ef43350deae5bedb85"></a><br/></td></tr>
<tr class="inherit_header pub_methods_classUnicodeMatcher"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classUnicodeMatcher')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classUnicodeMatcher.html">UnicodeMatcher</a></td></tr>
<tr class="memitem:a76c6ac0d0cd5b903478d73527aaeba4d inherit pub_methods_classUnicodeMatcher"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeMatcher.html#a76c6ac0d0cd5b903478d73527aaeba4d">~UnicodeMatcher</a> ()</td></tr>
<tr class="memdesc:a76c6ac0d0cd5b903478d73527aaeba4d inherit pub_methods_classUnicodeMatcher"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a76c6ac0d0cd5b903478d73527aaeba4d"></a><br/></td></tr>
<tr class="memitem:a0f8d0182d1e2949ea9adfd2b615e94dd inherit pub_methods_classUnicodeMatcher"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeMatcher.html#a0f8d0182d1e2949ea9adfd2b615e94dd">toPattern</a> (<a class="el" href="classUnicodeString.html">UnicodeString</a> &result, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> escapeUnprintable=<a class="el" href="umachine_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>) const =0</td></tr>
<tr class="memdesc:a0f8d0182d1e2949ea9adfd2b615e94dd inherit pub_methods_classUnicodeMatcher"><td class="mdescLeft"> </td><td class="mdescRight">Returns a string representation of this matcher. <a href="#a0f8d0182d1e2949ea9adfd2b615e94dd"></a><br/></td></tr>
<tr class="memitem:a77a01adbdb969d73ac257c75eb63bed6 inherit pub_methods_classUnicodeMatcher"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeMatcher.html#a77a01adbdb969d73ac257c75eb63bed6">matchesIndexValue</a> (<a class="el" href="pwin32_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> v) const =0</td></tr>
<tr class="memdesc:a77a01adbdb969d73ac257c75eb63bed6 inherit pub_methods_classUnicodeMatcher"><td class="mdescLeft"> </td><td class="mdescRight">Returns TRUE if this matcher will match a character c, where c & 0xFF == v, at offset, in the forward direction (with limit > offset). <a href="#a77a01adbdb969d73ac257c75eb63bed6"></a><br/></td></tr>
<tr class="memitem:a23f055516112c25dffdc836ffa16cd0e inherit pub_methods_classUnicodeMatcher"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeMatcher.html#a23f055516112c25dffdc836ffa16cd0e">addMatchSetTo</a> (<a class="el" href="classUnicodeSet.html">UnicodeSet</a> &toUnionTo) const =0</td></tr>
<tr class="memdesc:a23f055516112c25dffdc836ffa16cd0e inherit pub_methods_classUnicodeMatcher"><td class="mdescLeft"> </td><td class="mdescRight">Union the set of all characters that may be matched by this object into the given set. <a href="#a23f055516112c25dffdc836ffa16cd0e"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a32a5fef7c44d68ebed5313e27645b5e6"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnicodeFilter.html#a32a5fef7c44d68ebed5313e27645b5e6">getStaticClassID</a> ()</td></tr>
<tr class="memdesc:a32a5fef7c44d68ebed5313e27645b5e6"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for this class. <a href="#a32a5fef7c44d68ebed5313e27645b5e6"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><code><a class="el" href="classUnicodeFilter.html" title="UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...">UnicodeFilter</a></code> defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Unicode characters. </p>
<p>Currently, filters are used in conjunction with classes like <a class="el" href="classTransliterator.html">Transliterator</a> to only process selected characters through a transformation.</p>
<p>Note: <a class="el" href="classUnicodeFilter.html" title="UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...">UnicodeFilter</a> currently stubs out two pure virtual methods of its base class, <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a>. These methods are <a class="el" href="classUnicodeMatcher.html#a0f8d0182d1e2949ea9adfd2b615e94dd" title="Returns a string representation of this matcher.">toPattern()</a> and <a class="el" href="classUnicodeMatcher.html#a77a01adbdb969d73ac257c75eb63bed6" title="Returns TRUE if this matcher will match a character c, where c & 0xFF == v, at offset, in the forward direction (with limit > offset).">matchesIndexValue()</a>. This is done so that filter classes that are not actually used as matchers – specifically, those in the UnicodeFilterLogic component, and those in tests – can continue to work without defining these methods. As long as a filter is not used in an RBT during real transliteration, these methods will not be called. However, this breaks the <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a> base class protocol, and it is not a correct solution.</p>
<p>In the future we may revisit the <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a> / <a class="el" href="classUnicodeFilter.html" title="UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...">UnicodeFilter</a> hierarchy and either redesign it, or simply remove the stubs in <a class="el" href="classUnicodeFilter.html" title="UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...">UnicodeFilter</a> and force subclasses to implement the full <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a> protocol.</p>
<dl class="section see"><dt>See also:</dt><dd>UnicodeFilterLogic </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001442">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Definition at line <a class="el" href="unifilt_8h_source.html#l00059">59</a> of file <a class="el" href="unifilt_8h_source.html">unifilt.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a3d7a3c7903d906784bf208cee420014d"></a>
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<td class="memname">virtual UnicodeFilter::~UnicodeFilter </td>
<td>(</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Destructor. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001443">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<hr/><h2>Member Function Documentation</h2>
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<td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> UnicodeFilter::contains </td>
<td>(</td>
<td class="paramtype"><a class="el" href="umachine_8h.html#a09fff5c3b5a5b015324dc3ec3cf92809">UChar32</a> </td>
<td class="paramname"><em>c</em></td><td>)</td>
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<p>Returns <code>true</code> for characters that are in the selected subset. </p>
<p>In other words, if a character is <b>to be filtered</b>, then <code><a class="el" href="classUnicodeFilter.html#aa3b2c85ffa0cff083009efb324de84ca" title="Returns true for characters that are in the selected subset.">contains()</a></code> returns <b><code>false</code></b>. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001444">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implemented in <a class="el" href="classUnicodeSet.html#a5f83cbdf884770344420fb60e4f8e697">UnicodeSet</a>.</p>
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<td class="memname">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> UnicodeFilter::getStaticClassID </td>
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<p>ICU "poor man's RTTI", returns a UClassID for this class. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001448">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
<p>Reimplemented from <a class="el" href="classUnicodeFunctor.html#a339304d367427ee3e16729a7f074ae25">UnicodeFunctor</a>.</p>
<p>Reimplemented in <a class="el" href="classUnicodeSet.html#a1f7725a2e4de21e4cfff622fecc89716">UnicodeSet</a>.</p>
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<td class="memname">virtual <a class="el" href="unimatch_8h.html#aa87e5322490b3e89e6913bfabd0390e6">UMatchDegree</a> UnicodeFilter::matches </td>
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<td class="paramtype">const <a class="el" href="classReplaceable.html">Replaceable</a> & </td>
<td class="paramname"><em>text</em>, </td>
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<td class="paramtype"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> & </td>
<td class="paramname"><em>offset</em>, </td>
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<td class="paramtype"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td>
<td class="paramname"><em>limit</em>, </td>
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<td class="paramtype"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td>
<td class="paramname"><em>incremental</em> </td>
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<p>Implement <a class="el" href="classUnicodeMatcher.html" title="UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...">UnicodeMatcher</a> API. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001446">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Implements <a class="el" href="classUnicodeMatcher.html#ab712e496c0023237fbe38184d0424310">UnicodeMatcher</a>.</p>
<p>Reimplemented in <a class="el" href="classUnicodeSet.html#a3acd6cd4268004b9f3740a2373f411c4">UnicodeSet</a>.</p>
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<td class="memname">virtual void UnicodeFilter::setData </td>
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<p><a class="el" href="classUnicodeFunctor.html" title="UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ...">UnicodeFunctor</a> API. </p>
<p>Nothing to do. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001447">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Implements <a class="el" href="classUnicodeFunctor.html#ace3dc97994f3bf4fb74139ff0207db7c">UnicodeFunctor</a>.</p>
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<td class="memname">virtual <a class="el" href="classUnicodeMatcher.html">UnicodeMatcher</a>* UnicodeFilter::toMatcher </td>
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<p><a class="el" href="classUnicodeFunctor.html" title="UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ...">UnicodeFunctor</a> API. </p>
<p>Cast 'this' to a UnicodeMatcher* pointer and return the pointer. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable001445">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Reimplemented from <a class="el" href="classUnicodeFunctor.html#ae634c62ea3f1fc80db66e73c8b819545">UnicodeFunctor</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="unifilt_8h_source.html">unifilt.h</a></li>
</ul>
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