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 <span id="projectnumber">4.8.1.1</span>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">StringSearch Class Reference</div> </div>
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<p><pre class="fragment"><tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides
</pre><p> language-sensitive text searching based on the comparison rules defined in a <a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> object.
<a href="classStringSearch.html#details">More...</a></p>
<p><code>#include <<a class="el" href="stsearch_8h_source.html">stsearch.h</a>></code></p>
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Inheritance diagram for StringSearch:</div>
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<img src="classStringSearch.png" usemap="#StringSearch_map" alt=""/>
<map id="StringSearch_map" name="StringSearch_map">
<area href="classSearchIterator.html" title="SearchIterator is an abstract base class that provides methods to search for a pattern within a text ..." alt="SearchIterator" shape="rect" coords="0,112,93,136"/>
<area href="classUObject.html" title="UObject is the common ICU "boilerplate" class." alt="UObject" shape="rect" coords="0,56,93,80"/>
<area href="classUMemory.html" title="UMemory is the common ICU base class." alt="UMemory" shape="rect" coords="0,0,93,24"/>
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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:a885207b95a13ba21351b231cfe4aba71"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a885207b95a13ba21351b231cfe4aba71">StringSearch</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &pattern, const <a class="el" href="classUnicodeString.html">UnicodeString</a> &text, const <a class="el" href="classLocale.html">Locale</a> &locale, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a885207b95a13ba21351b231cfe4aba71"><td class="mdescLeft"> </td><td class="mdescRight">Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument locale language rule set. <a href="#a885207b95a13ba21351b231cfe4aba71"></a><br/></td></tr>
<tr class="memitem:af03415171da40e9f2081f4b3a8df2a29"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#af03415171da40e9f2081f4b3a8df2a29">StringSearch</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &pattern, const <a class="el" href="classUnicodeString.html">UnicodeString</a> &text, <a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> *coll, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:af03415171da40e9f2081f4b3a8df2a29"><td class="mdescLeft"> </td><td class="mdescRight">Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument collator language rule set. <a href="#af03415171da40e9f2081f4b3a8df2a29"></a><br/></td></tr>
<tr class="memitem:a98d9e22a093855f246d2fd5b7d6fb880"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a98d9e22a093855f246d2fd5b7d6fb880">StringSearch</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &pattern, <a class="el" href="classCharacterIterator.html">CharacterIterator</a> &text, const <a class="el" href="classLocale.html">Locale</a> &locale, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a98d9e22a093855f246d2fd5b7d6fb880"><td class="mdescLeft"> </td><td class="mdescRight">Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument locale language rule set. <a href="#a98d9e22a093855f246d2fd5b7d6fb880"></a><br/></td></tr>
<tr class="memitem:a8ea003c803fd3ecc7123d00476a8c28d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a8ea003c803fd3ecc7123d00476a8c28d">StringSearch</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &pattern, <a class="el" href="classCharacterIterator.html">CharacterIterator</a> &text, <a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> *coll, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a8ea003c803fd3ecc7123d00476a8c28d"><td class="mdescLeft"> </td><td class="mdescRight">Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument collator language rule set. <a href="#a8ea003c803fd3ecc7123d00476a8c28d"></a><br/></td></tr>
<tr class="memitem:aa43d0d4f3ef091de72d4567a83275a85"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#aa43d0d4f3ef091de72d4567a83275a85">StringSearch</a> (const <a class="el" href="classStringSearch.html">StringSearch</a> &that)</td></tr>
<tr class="memdesc:aa43d0d4f3ef091de72d4567a83275a85"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor that creates a <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> instance with the same behavior, and iterating over the same text. <a href="#aa43d0d4f3ef091de72d4567a83275a85"></a><br/></td></tr>
<tr class="memitem:aadd5fee0ff9e4de3978292a40bc612a8"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#aadd5fee0ff9e4de3978292a40bc612a8">~StringSearch</a> (void)</td></tr>
<tr class="memdesc:aadd5fee0ff9e4de3978292a40bc612a8"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#aadd5fee0ff9e4de3978292a40bc612a8"></a><br/></td></tr>
<tr class="memitem:ad74cf1b1a756e4faa9c2303d36f9d0b0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classStringSearch.html">StringSearch</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#ad74cf1b1a756e4faa9c2303d36f9d0b0">clone</a> () const </td></tr>
<tr class="memdesc:ad74cf1b1a756e4faa9c2303d36f9d0b0"><td class="mdescLeft"> </td><td class="mdescRight">Clone this object. <a href="#ad74cf1b1a756e4faa9c2303d36f9d0b0"></a><br/></td></tr>
<tr class="memitem:a91aed07e16b843f72fe850c7f2c19008"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classStringSearch.html">StringSearch</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a91aed07e16b843f72fe850c7f2c19008">operator=</a> (const <a class="el" href="classStringSearch.html">StringSearch</a> &that)</td></tr>
<tr class="memdesc:a91aed07e16b843f72fe850c7f2c19008"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <a href="#a91aed07e16b843f72fe850c7f2c19008"></a><br/></td></tr>
<tr class="memitem:a21f80025b81629fe6246a642b5f49ec9"><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="classStringSearch.html#a21f80025b81629fe6246a642b5f49ec9">operator==</a> (const <a class="el" href="classSearchIterator.html">SearchIterator</a> &that) const </td></tr>
<tr class="memdesc:a21f80025b81629fe6246a642b5f49ec9"><td class="mdescLeft"> </td><td class="mdescRight">Equality operator. <a href="#a21f80025b81629fe6246a642b5f49ec9"></a><br/></td></tr>
<tr class="memitem:a6cdb73b15960f85ef3b046a551a61ecf"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a6cdb73b15960f85ef3b046a551a61ecf">setOffset</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a6cdb73b15960f85ef3b046a551a61ecf"><td class="mdescLeft"> </td><td class="mdescRight">Sets the index to point to the given position, and clears any state that's affected. <a href="#a6cdb73b15960f85ef3b046a551a61ecf"></a><br/></td></tr>
<tr class="memitem:a36072e965203eb7272bc050a0c5e6e6b"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a36072e965203eb7272bc050a0c5e6e6b">getOffset</a> (void) const </td></tr>
<tr class="memdesc:a36072e965203eb7272bc050a0c5e6e6b"><td class="mdescLeft"> </td><td class="mdescRight">Return the current index in the text being searched. <a href="#a36072e965203eb7272bc050a0c5e6e6b"></a><br/></td></tr>
<tr class="memitem:a703c9716ef58efb5911229eaa2ed7e2a"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a703c9716ef58efb5911229eaa2ed7e2a">setText</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &text, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a703c9716ef58efb5911229eaa2ed7e2a"><td class="mdescLeft"> </td><td class="mdescRight">Set the target text to be searched. <a href="#a703c9716ef58efb5911229eaa2ed7e2a"></a><br/></td></tr>
<tr class="memitem:a755fec7f70c3f7f9e2cb06985839ac43"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a755fec7f70c3f7f9e2cb06985839ac43">setText</a> (<a class="el" href="classCharacterIterator.html">CharacterIterator</a> &text, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a755fec7f70c3f7f9e2cb06985839ac43"><td class="mdescLeft"> </td><td class="mdescRight">Set the target text to be searched. <a href="#a755fec7f70c3f7f9e2cb06985839ac43"></a><br/></td></tr>
<tr class="memitem:a2551cbc96cd5db22f2566018356abecf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a2551cbc96cd5db22f2566018356abecf">getCollator</a> () const </td></tr>
<tr class="memdesc:a2551cbc96cd5db22f2566018356abecf"><td class="mdescLeft"> </td><td class="mdescRight">Gets the collator used for the language rules. <a href="#a2551cbc96cd5db22f2566018356abecf"></a><br/></td></tr>
<tr class="memitem:a4108fa46bb1a6917e88e8cce80c37150"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a4108fa46bb1a6917e88e8cce80c37150">setCollator</a> (<a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> *coll, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a4108fa46bb1a6917e88e8cce80c37150"><td class="mdescLeft"> </td><td class="mdescRight">Sets the collator used for the language rules. <a href="#a4108fa46bb1a6917e88e8cce80c37150"></a><br/></td></tr>
<tr class="memitem:ae96cd9008bb35d9276626ffccb2db568"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#ae96cd9008bb35d9276626ffccb2db568">setPattern</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &pattern, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:ae96cd9008bb35d9276626ffccb2db568"><td class="mdescLeft"> </td><td class="mdescRight">Sets the pattern used for matching. <a href="#ae96cd9008bb35d9276626ffccb2db568"></a><br/></td></tr>
<tr class="memitem:aa5fafdf5081d2376172738f2320843a4"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#aa5fafdf5081d2376172738f2320843a4">getPattern</a> () const </td></tr>
<tr class="memdesc:aa5fafdf5081d2376172738f2320843a4"><td class="mdescLeft"> </td><td class="mdescRight">Gets the search pattern. <a href="#aa5fafdf5081d2376172738f2320843a4"></a><br/></td></tr>
<tr class="memitem:a298259adcc5316a74ac9ce9b22e97c03"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a298259adcc5316a74ac9ce9b22e97c03">reset</a> ()</td></tr>
<tr class="memdesc:a298259adcc5316a74ac9ce9b22e97c03"><td class="mdescLeft"> </td><td class="mdescRight">Reset the iteration. <a href="#a298259adcc5316a74ac9ce9b22e97c03"></a><br/></td></tr>
<tr class="memitem:a4b33f73a68dceee80574f86f421798f4"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSearchIterator.html">SearchIterator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#a4b33f73a68dceee80574f86f421798f4">safeClone</a> (void) const </td></tr>
<tr class="memdesc:a4b33f73a68dceee80574f86f421798f4"><td class="mdescLeft"> </td><td class="mdescRight">Returns a copy of <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> with the same behavior, and iterating over the same text, as this one. <a href="#a4b33f73a68dceee80574f86f421798f4"></a><br/></td></tr>
<tr class="memitem:a65fd205eb56b305671c5d4cb919fc0fd"><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="classStringSearch.html#a65fd205eb56b305671c5d4cb919fc0fd">getDynamicClassID</a> () const </td></tr>
<tr class="memdesc:a65fd205eb56b305671c5d4cb919fc0fd"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for the actual class. <a href="#a65fd205eb56b305671c5d4cb919fc0fd"></a><br/></td></tr>
<tr class="inherit_header pub_methods_classSearchIterator"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classSearchIterator')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classSearchIterator.html">SearchIterator</a></td></tr>
<tr class="memitem:ace7cb7b0e085eaffc03f6229f1aeab3f inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ace7cb7b0e085eaffc03f6229f1aeab3f">SearchIterator</a> (const <a class="el" href="classSearchIterator.html">SearchIterator</a> &other)</td></tr>
<tr class="memdesc:ace7cb7b0e085eaffc03f6229f1aeab3f inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor that creates a <a class="el" href="classSearchIterator.html" title="SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...">SearchIterator</a> instance with the same behavior, and iterating over the same text. <a href="#ace7cb7b0e085eaffc03f6229f1aeab3f"></a><br/></td></tr>
<tr class="memitem:ac088b4c1be49860879d4a7a37e71681f inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ac088b4c1be49860879d4a7a37e71681f">~SearchIterator</a> ()</td></tr>
<tr class="memdesc:ac088b4c1be49860879d4a7a37e71681f inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#ac088b4c1be49860879d4a7a37e71681f"></a><br/></td></tr>
<tr class="memitem:ad82645422603995508e3d70990de5fd8 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ad82645422603995508e3d70990de5fd8">setAttribute</a> (<a class="el" href="usearch_8h.html#aa382f146f1968a9d1dc182100b23ac03">USearchAttribute</a> attribute, <a class="el" href="usearch_8h.html#afbe777746540a229c0a2ff3323e292d1">USearchAttributeValue</a> value, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:ad82645422603995508e3d70990de5fd8 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Sets the text searching attributes located in the enum USearchAttribute with values from the enum USearchAttributeValue. <a href="#ad82645422603995508e3d70990de5fd8"></a><br/></td></tr>
<tr class="memitem:a91aa5cc02700fc13ac0ae6b9fa3ec1b5 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="usearch_8h.html#afbe777746540a229c0a2ff3323e292d1">USearchAttributeValue</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a91aa5cc02700fc13ac0ae6b9fa3ec1b5">getAttribute</a> (<a class="el" href="usearch_8h.html#aa382f146f1968a9d1dc182100b23ac03">USearchAttribute</a> attribute) const </td></tr>
<tr class="memdesc:a91aa5cc02700fc13ac0ae6b9fa3ec1b5 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Gets the text searching attributes. <a href="#a91aa5cc02700fc13ac0ae6b9fa3ec1b5"></a><br/></td></tr>
<tr class="memitem:a08250c1400fda7b63d2bbba7074db3a5 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a08250c1400fda7b63d2bbba7074db3a5">getMatchedStart</a> (void) const </td></tr>
<tr class="memdesc:a08250c1400fda7b63d2bbba7074db3a5 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the index to the match in the text string that was searched. <a href="#a08250c1400fda7b63d2bbba7074db3a5"></a><br/></td></tr>
<tr class="memitem:a149e2eb5d6b1c719e26256981826ca02 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a149e2eb5d6b1c719e26256981826ca02">getMatchedLength</a> (void) const </td></tr>
<tr class="memdesc:a149e2eb5d6b1c719e26256981826ca02 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the length of text in the string which matches the search pattern. <a href="#a149e2eb5d6b1c719e26256981826ca02"></a><br/></td></tr>
<tr class="memitem:ab389210832353fd4ac40319f1e7630a6 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ab389210832353fd4ac40319f1e7630a6">getMatchedText</a> (<a class="el" href="classUnicodeString.html">UnicodeString</a> &result) const </td></tr>
<tr class="memdesc:ab389210832353fd4ac40319f1e7630a6 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the text that was matched by the most recent call to <code>first</code>, <code>next</code>, <code>previous</code>, or <code>last</code>. <a href="#ab389210832353fd4ac40319f1e7630a6"></a><br/></td></tr>
<tr class="memitem:a5999b2f5d0759a054ef0d9fbfae8598b inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a5999b2f5d0759a054ef0d9fbfae8598b">setBreakIterator</a> (<a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a5999b2f5d0759a054ef0d9fbfae8598b inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Set the <a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a> that will be used to restrict the points at which matches are detected. <a href="#a5999b2f5d0759a054ef0d9fbfae8598b"></a><br/></td></tr>
<tr class="memitem:af9586c922b1360ad177ae2d1a649d480 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classBreakIterator.html">BreakIterator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#af9586c922b1360ad177ae2d1a649d480">getBreakIterator</a> (void) const </td></tr>
<tr class="memdesc:af9586c922b1360ad177ae2d1a649d480 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the <a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a> that is used to restrict the points at which matches are detected. <a href="#af9586c922b1360ad177ae2d1a649d480"></a><br/></td></tr>
<tr class="memitem:a1b343bf29465ac7be05493cbf9000534 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a1b343bf29465ac7be05493cbf9000534">getText</a> (void) const </td></tr>
<tr class="memdesc:a1b343bf29465ac7be05493cbf9000534 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Return the string text to be searched. <a href="#a1b343bf29465ac7be05493cbf9000534"></a><br/></td></tr>
<tr class="memitem:a9fd5b7677b8169e5e5102e621aae31cc inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a9fd5b7677b8169e5e5102e621aae31cc">operator!=</a> (const <a class="el" href="classSearchIterator.html">SearchIterator</a> &that) const </td></tr>
<tr class="memdesc:a9fd5b7677b8169e5e5102e621aae31cc inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Not-equal operator. <a href="#a9fd5b7677b8169e5e5102e621aae31cc"></a><br/></td></tr>
<tr class="memitem:ad4b0624d1dd56a45f1b11b39f569e185 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ad4b0624d1dd56a45f1b11b39f569e185">first</a> (<a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:ad4b0624d1dd56a45f1b11b39f569e185 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the first index at which the string text matches the search pattern. <a href="#ad4b0624d1dd56a45f1b11b39f569e185"></a><br/></td></tr>
<tr class="memitem:a6b8596ad970537354cb4dd68d1103a9d inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a6b8596ad970537354cb4dd68d1103a9d">following</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a6b8596ad970537354cb4dd68d1103a9d inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the first index equal or greater than <code>position</code> at which the string text matches the search pattern. <a href="#a6b8596ad970537354cb4dd68d1103a9d"></a><br/></td></tr>
<tr class="memitem:aa367405e344b6cb425c47e221293257d inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#aa367405e344b6cb425c47e221293257d">last</a> (<a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:aa367405e344b6cb425c47e221293257d inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the last index in the target text at which it matches the search pattern. <a href="#aa367405e344b6cb425c47e221293257d"></a><br/></td></tr>
<tr class="memitem:a55f50cb3ef1ffb73746121aeb43b1ae9 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a55f50cb3ef1ffb73746121aeb43b1ae9">preceding</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a55f50cb3ef1ffb73746121aeb43b1ae9 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the first index less than <code>position</code> at which the string text matches the search pattern. <a href="#a55f50cb3ef1ffb73746121aeb43b1ae9"></a><br/></td></tr>
<tr class="memitem:abc2fe871477a82214534b84062dd5763 inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#abc2fe871477a82214534b84062dd5763">next</a> (<a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:abc2fe871477a82214534b84062dd5763 inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of the next point at which the text matches the search pattern, starting from the current position The iterator is adjusted so that its current index (as returned by <code>getOffset</code>) is the match position if one was found. <a href="#abc2fe871477a82214534b84062dd5763"></a><br/></td></tr>
<tr class="memitem:a6adda71b217ffa8ea4a74fc72db3e0df inherit pub_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a6adda71b217ffa8ea4a74fc72db3e0df">previous</a> (<a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a6adda71b217ffa8ea4a74fc72db3e0df inherit pub_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of the previous point at which the string text matches the search pattern, starting at the current position. <a href="#a6adda71b217ffa8ea4a74fc72db3e0df"></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>
</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:a72e3de68073498e83bcb6b8a7dfc9441"><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="classStringSearch.html#a72e3de68073498e83bcb6b8a7dfc9441">getStaticClassID</a> ()</td></tr>
<tr class="memdesc:a72e3de68073498e83bcb6b8a7dfc9441"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for this class. <a href="#a72e3de68073498e83bcb6b8a7dfc9441"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:af72f5e342a08ab606435ae49dd41d23b"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#af72f5e342a08ab606435ae49dd41d23b">handleNext</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:af72f5e342a08ab606435ae49dd41d23b"><td class="mdescLeft"> </td><td class="mdescRight">Search forward for matching text, starting at a given location. <a href="#af72f5e342a08ab606435ae49dd41d23b"></a><br/></td></tr>
<tr class="memitem:aaeb4d82bf1a5917a2fd5819d179d050a"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classStringSearch.html#aaeb4d82bf1a5917a2fd5819d179d050a">handlePrev</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:aaeb4d82bf1a5917a2fd5819d179d050a"><td class="mdescLeft"> </td><td class="mdescRight">Search backward for matching text, starting at a given location. <a href="#aaeb4d82bf1a5917a2fd5819d179d050a"></a><br/></td></tr>
<tr class="inherit_header pro_methods_classSearchIterator"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classSearchIterator')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classSearchIterator.html">SearchIterator</a></td></tr>
<tr class="memitem:a528076f54b4118e76a1790ba04987e2c inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a528076f54b4118e76a1790ba04987e2c">SearchIterator</a> ()</td></tr>
<tr class="memdesc:a528076f54b4118e76a1790ba04987e2c inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#a528076f54b4118e76a1790ba04987e2c"></a><br/></td></tr>
<tr class="memitem:aaec88fe42044008487190bf00a2e4661 inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#aaec88fe42044008487190bf00a2e4661">SearchIterator</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &text, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter=<a class="el" href="LETypes_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</td></tr>
<tr class="memdesc:aaec88fe42044008487190bf00a2e4661 inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Constructor for use by subclasses. <a href="#aaec88fe42044008487190bf00a2e4661"></a><br/></td></tr>
<tr class="memitem:a028a9602382aca4555f56df8c964bb04 inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a028a9602382aca4555f56df8c964bb04">SearchIterator</a> (<a class="el" href="classCharacterIterator.html">CharacterIterator</a> &text, <a class="el" href="classBreakIterator.html">BreakIterator</a> *breakiter=<a class="el" href="LETypes_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</td></tr>
<tr class="memdesc:a028a9602382aca4555f56df8c964bb04 inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Constructor for use by subclasses. <a href="#a028a9602382aca4555f56df8c964bb04"></a><br/></td></tr>
<tr class="memitem:ada060084cf2fb3ccf7c64cb71488d89e inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSearchIterator.html">SearchIterator</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ada060084cf2fb3ccf7c64cb71488d89e">operator=</a> (const <a class="el" href="classSearchIterator.html">SearchIterator</a> &that)</td></tr>
<tr class="memdesc:ada060084cf2fb3ccf7c64cb71488d89e inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <a href="#ada060084cf2fb3ccf7c64cb71488d89e"></a><br/></td></tr>
<tr class="memitem:a2d6d2c4af6c45121336b0fa3e06f2e14 inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a2d6d2c4af6c45121336b0fa3e06f2e14">setMatchLength</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> length)</td></tr>
<tr class="memdesc:a2d6d2c4af6c45121336b0fa3e06f2e14 inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Sets the length of the currently matched string in the text string to be searched. <a href="#a2d6d2c4af6c45121336b0fa3e06f2e14"></a><br/></td></tr>
<tr class="memitem:a030774198e9befb2ae0c37d85841dd0c inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a030774198e9befb2ae0c37d85841dd0c">setMatchStart</a> (<a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> position)</td></tr>
<tr class="memdesc:a030774198e9befb2ae0c37d85841dd0c inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Sets the offset of the currently matched string in the text string to be searched. <a href="#a030774198e9befb2ae0c37d85841dd0c"></a><br/></td></tr>
<tr class="memitem:a2ef0f691ef79cf6b3a673afb6f0ed2b8 inherit pro_methods_classSearchIterator"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a2ef0f691ef79cf6b3a673afb6f0ed2b8">setMatchNotFound</a> ()</td></tr>
<tr class="memdesc:a2ef0f691ef79cf6b3a673afb6f0ed2b8 inherit pro_methods_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">sets match not found <a href="#a2ef0f691ef79cf6b3a673afb6f0ed2b8"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_attribs_classSearchIterator"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classSearchIterator')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classSearchIterator.html">SearchIterator</a></td></tr>
<tr class="memitem:a37a71b3da6253680b3e24a3e0c3687a5 inherit pro_attribs_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="search_8h.html#ab9a54441959795454ae0406609767131">USearch</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a37a71b3da6253680b3e24a3e0c3687a5">m_search_</a></td></tr>
<tr class="memdesc:a37a71b3da6253680b3e24a3e0c3687a5 inherit pro_attribs_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">C search data struct. <a href="#a37a71b3da6253680b3e24a3e0c3687a5"></a><br/></td></tr>
<tr class="memitem:a2fa2bb916a411a0df41f4f99e8e74419 inherit pro_attribs_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classBreakIterator.html">BreakIterator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#a2fa2bb916a411a0df41f4f99e8e74419">m_breakiterator_</a></td></tr>
<tr class="memdesc:a2fa2bb916a411a0df41f4f99e8e74419 inherit pro_attribs_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Break iterator. <a href="#a2fa2bb916a411a0df41f4f99e8e74419"></a><br/></td></tr>
<tr class="memitem:ada31ca7238c22c2d69fd5192fe036d3d inherit pro_attribs_classSearchIterator"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classUnicodeString.html">UnicodeString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSearchIterator.html#ada31ca7238c22c2d69fd5192fe036d3d">m_text_</a></td></tr>
<tr class="memdesc:ada31ca7238c22c2d69fd5192fe036d3d inherit pro_attribs_classSearchIterator"><td class="mdescLeft"> </td><td class="mdescRight">Unicode string version of the search text. <a href="#ada31ca7238c22c2d69fd5192fe036d3d"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><pre class="fragment"><tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides
</pre><p> language-sensitive text searching based on the comparison rules defined in a <a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> object. </p>
<p><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> ensures that language eccentricity can be handled, e.g. for the German collator, characters ß and SS will be matched if case is chosen to be ignored. See the <a href="http://source.icu-project.org/repos/icu/icuhtml/trunk/design/collation/ICU_collation_design.htm">"ICU Collation Design Document"</a> for more information. </p>
<p>The algorithm implemented is a modified form of the Boyer Moore's search. For more information see <a href="http://icu-project.org/docs/papers/efficient_text_searching_in_java.html">"Efficient Text Searching in Java"</a>, published in <em>Java Report</em> in February, 1999, for further information on the algorithm. </p>
<p>There are 2 match options for selection:<br/>
Let S' be the sub-string of a text string S between the offsets start and end <start, end>. <br/>
A pattern string P matches a text string S at the offsets <start, end> if </p>
<pre>
option 1. Some canonical equivalent of P matches some canonical equivalent
of S'
option 2. P matches S' and if P starts or ends with a combining mark,
there exists no non-ignorable combining mark before or after S?
in S respectively.
</pre><p> Option 2. will be the default. </p>
<p>This search has APIs similar to that of other text iteration mechanisms such as the break iterators in <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code>. Using these APIs, it is easy to scan through text looking for all occurances of a given pattern. This search iterator allows changing of direction by calling a <code>reset</code> followed by a <code>next</code> or <code>previous</code>. Though a direction change can occur without calling <code>reset</code> first, this operation comes with some speed penalty. Match results in the forward direction will match the result matches in the backwards direction in the reverse order </p>
<p><code><a class="el" href="classSearchIterator.html" title="SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...">SearchIterator</a></code> provides APIs to specify the starting position within the text string to be searched, e.g. <code>setOffset</code>, <code>preceding</code> and <code>following</code>. Since the starting position will be set as it is specified, please take note that there are some danger points which the search may render incorrect results: </p>
<ul>
<li>
The midst of a substring that requires normalization. </li>
<li>
If the following match is to be found, the position should not be the second character which requires to be swapped with the preceding character. Vice versa, if the preceding match is to be found, position to search from should not be the first character which requires to be swapped with the next character. E.g certain Thai and Lao characters require swapping. </li>
<li>
If a following pattern match is to be found, any position within a contracting sequence except the first will fail. Vice versa if a preceding pattern match is to be found, a invalid starting point would be any character within a contracting sequence except the last. </li>
</ul>
<p>A breakiterator can be used if only matches at logical breaks are desired. Using a breakiterator will only give you results that exactly matches the boundaries given by the breakiterator. For instance the pattern "e" will not be found in the string "\u00e9" if a character break iterator is used. </p>
<p>Options are provided to handle overlapping matches. E.g. In English, overlapping matches produces the result 0 and 2 for the pattern "abab" in the text "ababab", where else mutually exclusive matches only produce the result of 0. </p>
<p>Though collator attributes will be taken into consideration while performing matches, there are no APIs here for setting and getting the attributes. These attributes can be set by getting the collator from <code>getCollator</code> and using the APIs in <code><a class="el" href="coll_8h.html" title="C++ API: Collation Service.">coll.h</a></code>. Lastly to update <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> to the new collator attributes, <a class="el" href="classStringSearch.html#a298259adcc5316a74ac9ce9b22e97c03" title="Reset the iteration.">reset()</a> has to be called. </p>
<p>Restriction: <br/>
Currently there are no composite characters that consists of a character with combining class > 0 before a character with combining class == 0. However, if such a character exists in the future, <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> does not guarantee the results for option 1. </p>
<p>Consult the <code><a class="el" href="classSearchIterator.html" title="SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...">SearchIterator</a></code> documentation for information on and examples of how to use instances of this class to implement text searching. </p>
<pre><code>
<a class="el" href="classUnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> target("The quick brown fox jumps over the lazy dog.");
<a class="el" href="classUnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> pattern("fox");</code></pre><pre><code> UErrorCode error = U_ZERO_ERROR;
<a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> iter(pattern, target, <a class="el" href="classLocale.html#aee507186038b3331bc060fbd85f52af3" title="Useful constant for this country/region.">Locale::getUS()</a>, NULL, status);
for (int pos = iter.first(error);
pos != USEARCH_DONE;
pos = iter.next(error))
{
printf("Found match at %d pos, length is %d\n", pos,
iter.getMatchLength());
}
</code></pre> <p>Note, <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> is not to be subclassed. </p>
<dl class="section see"><dt>See also:</dt><dd><a class="el" href="classSearchIterator.html" title="SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...">SearchIterator</a> </dd>
<dd>
<a class="el" href="classRuleBasedCollator.html" title="The RuleBasedCollator class provides the simple implementation of Collator, using data-driven tables...">RuleBasedCollator</a> </dd></dl>
<dl class="section since"><dt>Since:</dt><dd>ICU 2.0 </dd></dl>
<p>Definition at line <a class="el" href="stsearch_8h_source.html#l00138">138</a> of file <a class="el" href="stsearch_8h_source.html">stsearch.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
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<td class="memname">StringSearch::StringSearch </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>pattern</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>text</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classLocale.html">Locale</a> & </td>
<td class="paramname"><em>locale</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classBreakIterator.html">BreakIterator</a> * </td>
<td class="paramname"><em>breakiter</em>, </td>
</tr>
<tr>
<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>
</tr>
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<td>)</td>
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<p>Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument locale language rule set. </p>
<p>A collator will be created in the process, which will be owned by this instance and will be deleted during destruction </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">pattern</td><td>The text for which this object will search. </td></tr>
<tr><td class="paramname">text</td><td>The text in which to search for the pattern. </td></tr>
<tr><td class="paramname">locale</td><td>A locale which defines the language-sensitive comparison rules used to determine whether text in the pattern and target matches. </td></tr>
<tr><td class="paramname">breakiter</td><td>A <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> object used to constrain the matches that are found. Matches whose start and end indices in the target text are not boundaries as determined by the <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> are ignored. If this behavior is not desired, <code>NULL</code> can be passed in instead. </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If pattern or text is NULL, or if either the length of pattern or text is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003514">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">StringSearch::StringSearch </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>pattern</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>text</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> * </td>
<td class="paramname"><em>coll</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classBreakIterator.html">BreakIterator</a> * </td>
<td class="paramname"><em>breakiter</em>, </td>
</tr>
<tr>
<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>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument collator language rule set. </p>
<p>Note, user retains the ownership of this collator, it does not get destroyed during this instance's destruction. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">pattern</td><td>The text for which this object will search. </td></tr>
<tr><td class="paramname">text</td><td>The text in which to search for the pattern. </td></tr>
<tr><td class="paramname">coll</td><td>A <code><a class="el" href="classRuleBasedCollator.html" title="The RuleBasedCollator class provides the simple implementation of Collator, using data-driven tables...">RuleBasedCollator</a></code> object which defines the language-sensitive comparison rules used to determine whether text in the pattern and target matches. User is responsible for the clearing of this object. </td></tr>
<tr><td class="paramname">breakiter</td><td>A <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> object used to constrain the matches that are found. Matches whose start and end indices in the target text are not boundaries as determined by the <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> are ignored. If this behavior is not desired, <code>NULL</code> can be passed in instead. </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If either the length of pattern or text is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003515">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">StringSearch::StringSearch </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>pattern</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classCharacterIterator.html">CharacterIterator</a> & </td>
<td class="paramname"><em>text</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classLocale.html">Locale</a> & </td>
<td class="paramname"><em>locale</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classBreakIterator.html">BreakIterator</a> * </td>
<td class="paramname"><em>breakiter</em>, </td>
</tr>
<tr>
<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>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument locale language rule set. </p>
<p>A collator will be created in the process, which will be owned by this instance and will be deleted during destruction </p>
<p>Note: No parsing of the text within the <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be done during searching for this version. The block of text in <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be used as it is. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">pattern</td><td>The text for which this object will search. </td></tr>
<tr><td class="paramname">text</td><td>The text iterator in which to search for the pattern. </td></tr>
<tr><td class="paramname">locale</td><td>A locale which defines the language-sensitive comparison rules used to determine whether text in the pattern and target matches. User is responsible for the clearing of this object. </td></tr>
<tr><td class="paramname">breakiter</td><td>A <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> object used to constrain the matches that are found. Matches whose start and end indices in the target text are not boundaries as determined by the <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> are ignored. If this behavior is not desired, <code>NULL</code> can be passed in instead. </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If either the length of pattern or text is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003516">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">StringSearch::StringSearch </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>pattern</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classCharacterIterator.html">CharacterIterator</a> & </td>
<td class="paramname"><em>text</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a> * </td>
<td class="paramname"><em>coll</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classBreakIterator.html">BreakIterator</a> * </td>
<td class="paramname"><em>breakiter</em>, </td>
</tr>
<tr>
<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>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Creating a <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> instance using the argument collator language rule set. </p>
<p>Note, user retains the ownership of this collator, it does not get destroyed during this instance's destruction. </p>
<p>Note: No parsing of the text within the <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be done during searching for this version. The block of text in <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be used as it is. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">pattern</td><td>The text for which this object will search. </td></tr>
<tr><td class="paramname">text</td><td>The text in which to search for the pattern. </td></tr>
<tr><td class="paramname">coll</td><td>A <code><a class="el" href="classRuleBasedCollator.html" title="The RuleBasedCollator class provides the simple implementation of Collator, using data-driven tables...">RuleBasedCollator</a></code> object which defines the language-sensitive comparison rules used to determine whether text in the pattern and target matches. User is responsible for the clearing of this object. </td></tr>
<tr><td class="paramname">breakiter</td><td>A <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> object used to constrain the matches that are found. Matches whose start and end indices in the target text are not boundaries as determined by the <code><a class="el" href="classBreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text...">BreakIterator</a></code> are ignored. If this behavior is not desired, <code>NULL</code> can be passed in instead. </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If either the length of pattern or text is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003517">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
</div>
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<td class="memname">StringSearch::StringSearch </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classStringSearch.html">StringSearch</a> & </td>
<td class="paramname"><em>that</em></td><td>)</td>
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<p>Copy constructor that creates a <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> instance with the same behavior, and iterating over the same text. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">that</td><td><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> instance to be copied. </td></tr>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003518">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">virtual StringSearch::~StringSearch </td>
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<p>Destructor. </p>
<p>Cleans up the search iterator data struct. If a collator is created in the constructor, it will be destroyed here. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003519">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"><a class="el" href="classStringSearch.html">StringSearch</a>* StringSearch::clone </td>
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<p>Clone this object. </p>
<p>Clones can be used concurrently in multiple threads. If an error occurs, then NULL is returned. The caller must delete the clone.</p>
<dl class="section return"><dt>Returns:</dt><dd>a clone of this object</dd></dl>
<dl class="section see"><dt>See also:</dt><dd><a class="el" href="classStringSearch.html#a65fd205eb56b305671c5d4cb919fc0fd" title="ICU "poor man's RTTI", returns a UClassID for the actual class.">getDynamicClassID</a> </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003520">Stable:</a></b></dt><dd>ICU 2.8 </dd></dl>
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<td class="memname"><a class="el" href="classRuleBasedCollator.html">RuleBasedCollator</a>* StringSearch::getCollator </td>
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<p>Gets the collator used for the language rules. </p>
<p>Caller may modify but <b>must not</b> delete the <code><a class="el" href="classRuleBasedCollator.html" title="The RuleBasedCollator class provides the simple implementation of Collator, using data-driven tables...">RuleBasedCollator</a></code>! Modifications to this collator will affect the original collator passed in to the <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a>></code> constructor or to setCollator, if any. </p>
<dl class="section return"><dt>Returns:</dt><dd>collator used for string search </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003527">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">virtual <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> StringSearch::getDynamicClassID </td>
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<p>ICU "poor man's RTTI", returns a UClassID for the actual class. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003533">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
<p>Implements <a class="el" href="classUObject.html#a9b1acc95efd89cb86ec31f2dc947a262">UObject</a>.</p>
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<td class="memname">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> StringSearch::getOffset </td>
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<p>Return the current index in the text being searched. </p>
<p>If the iteration has gone past the end of the text (or past the beginning for a backwards search), USEARCH_DONE is returned. </p>
<dl class="section return"><dt>Returns:</dt><dd>current index in the text being searched. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003524">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implements <a class="el" href="classSearchIterator.html#a405b15d976003735d48fe1c534a5045d">SearchIterator</a>.</p>
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<td class="memname">const <a class="el" href="classUnicodeString.html">UnicodeString</a>& StringSearch::getPattern </td>
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<p>Gets the search pattern. </p>
<dl class="section return"><dt>Returns:</dt><dd>pattern used for matching </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003530">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> StringSearch::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#_stable003534">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
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<td class="memname">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> StringSearch::handleNext </td>
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<td class="paramtype"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td>
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<p>Search forward for matching text, starting at a given location. </p>
<p>Clients should not call this method directly; instead they should call <a class="el" href="classSearchIterator.html#abc2fe871477a82214534b84062dd5763">SearchIterator#next</a>. </p>
<p>If a match is found, this method returns the index at which the match starts and calls <a class="el" href="classSearchIterator.html#a2d6d2c4af6c45121336b0fa3e06f2e14">SearchIterator#setMatchLength</a> with the number of characters in the target text that make up the match. If no match is found, the method returns <code>USEARCH_DONE</code>. </p>
<p>The <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> is adjusted so that its current index (as returned by <a class="el" href="classStringSearch.html#a36072e965203eb7272bc050a0c5e6e6b">getOffset</a>) is the match position if one was found. If a match is not found, <code>USEARCH_DONE</code> will be returned and the <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> will be adjusted to the index USEARCH_DONE. </p>
<dl class="params"><dt>Parameters:</dt><dd>
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<tr><td class="paramname">position</td><td>The index in the target text at which the search starts </td></tr>
<tr><td class="paramname">status</td><td>for errors if any occurs </td></tr>
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<dl class="section return"><dt>Returns:</dt><dd>The index at which the matched text in the target starts, or USEARCH_DONE if no match was found. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003535">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implements <a class="el" href="classSearchIterator.html#a18c8f6a8faec99e860e6ee6e41fa630a">SearchIterator</a>.</p>
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<td class="memname">virtual <a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> StringSearch::handlePrev </td>
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<td class="paramtype"><a class="el" href="pwin32_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td>
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<p>Search backward for matching text, starting at a given location. </p>
<p>Clients should not call this method directly; instead they should call <code><a class="el" href="classSearchIterator.html#a6adda71b217ffa8ea4a74fc72db3e0df" title="Returns the index of the previous point at which the string text matches the search pattern...">SearchIterator.previous()</a></code>, which this method overrides. </p>
<p>If a match is found, this method returns the index at which the match starts and calls <a class="el" href="classSearchIterator.html#a2d6d2c4af6c45121336b0fa3e06f2e14">SearchIterator#setMatchLength</a> with the number of characters in the target text that make up the match. If no match is found, the method returns <code>USEARCH_DONE</code>. </p>
<p>The <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> is adjusted so that its current index (as returned by <a class="el" href="classStringSearch.html#a36072e965203eb7272bc050a0c5e6e6b">getOffset</a>) is the match position if one was found. If a match is not found, <code>USEARCH_DONE</code> will be returned and the <code><a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a></code> will be adjusted to the index USEARCH_DONE. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">position</td><td>The index in the target text at which the search starts. </td></tr>
<tr><td class="paramname">status</td><td>for errors if any occurs </td></tr>
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<dl class="section return"><dt>Returns:</dt><dd>The index at which the matched text in the target starts, or USEARCH_DONE if no match was found. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003536">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implements <a class="el" href="classSearchIterator.html#afa84ddfd9914bfb6857e8450b5571361">SearchIterator</a>.</p>
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<td class="memname"><a class="el" href="classStringSearch.html">StringSearch</a>& StringSearch::operator= </td>
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<td class="paramtype">const <a class="el" href="classStringSearch.html">StringSearch</a> & </td>
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<p>Assignment operator. </p>
<p>Sets this iterator to have the same behavior, and iterate over the same text, as the one passed in. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">that</td><td>instance to be copied. </td></tr>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003521">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> StringSearch::operator== </td>
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<td class="paramtype">const <a class="el" href="classSearchIterator.html">SearchIterator</a> & </td>
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<p>Equality operator. </p>
<dl class="params"><dt>Parameters:</dt><dd>
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<tr><td class="paramname">that</td><td>instance to be compared. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns:</dt><dd>TRUE if both instances have the same attributes, breakiterators, collators and iterate over the same text while looking for the same pattern. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003522">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Reimplemented from <a class="el" href="classSearchIterator.html#ac404a3e74b33dcdabda002c4b9438132">SearchIterator</a>.</p>
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<td class="memname">virtual void StringSearch::reset </td>
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<p>Reset the iteration. </p>
<p>Search will begin at the start of the text string if a forward iteration is initiated before a backwards iteration. Otherwise if a backwards iteration is initiated before a forwards iteration, the search will begin at the end of the text string. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003531">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Reimplemented from <a class="el" href="classSearchIterator.html#ad72b74b2fbe16ca0a449919984e85db9">SearchIterator</a>.</p>
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<td class="memname">virtual <a class="el" href="classSearchIterator.html">SearchIterator</a>* StringSearch::safeClone </td>
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<p>Returns a copy of <a class="el" href="classStringSearch.html" title="<tt>StringSearch</tt> is a <tt>SearchIterator</tt> that provides language-sensitive text searching b...">StringSearch</a> with the same behavior, and iterating over the same text, as this one. </p>
<p>Note that all data will be replicated, except for the user-specified collator and the breakiterator. </p>
<dl class="section return"><dt>Returns:</dt><dd>cloned object </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003532">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implements <a class="el" href="classSearchIterator.html#a7dfe65a9875be67e88151a1987053c6e">SearchIterator</a>.</p>
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<td class="memname">void StringSearch::setCollator </td>
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<p>Sets the collator used for the language rules. </p>
<p>User retains the ownership of this collator, thus the responsibility of deletion lies with the user. This method causes internal data such as Boyer-Moore shift tables to be recalculated, but the iterator's position is unchanged. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">coll</td><td>collator </td></tr>
<tr><td class="paramname">status</td><td>for errors if any </td></tr>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003528">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">virtual void StringSearch::setOffset </td>
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<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>Sets the index to point to the given position, and clears any state that's affected. </p>
<p>This method takes the argument index and sets the position in the text string accordingly without checking if the index is pointing to a valid starting point to begin searching. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">position</td><td>within the text to be set. If position is less than or greater than the text range for searching, an U_INDEX_OUTOFBOUNDS_ERROR will be returned </td></tr>
<tr><td class="paramname">status</td><td>for errors if it occurs </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003523">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Implements <a class="el" href="classSearchIterator.html#a051291e515560612b18fd5c58b2fc523">SearchIterator</a>.</p>
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<td class="memname">void StringSearch::setPattern </td>
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<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>pattern</em>, </td>
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<td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> & </td>
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<p>Sets the pattern used for matching. </p>
<p>Internal data like the Boyer Moore table will be recalculated, but the iterator's position is unchanged. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">pattern</td><td>search pattern to be found </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If the pattern length is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003529">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">virtual void StringSearch::setText </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>text</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>Set the target text to be searched. </p>
<p>Text iteration will hence begin at the start of the text string. This method is useful if you want to re-use an iterator to search for the same pattern within a different body of text. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">text</td><td>text string to be searched </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If the text length is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003525">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Reimplemented from <a class="el" href="classSearchIterator.html#a14a7f30bf44acdebd78559ec47424d7f">SearchIterator</a>.</p>
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<td class="memname">virtual void StringSearch::setText </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classCharacterIterator.html">CharacterIterator</a> & </td>
<td class="paramname"><em>text</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>Set the target text to be searched. </p>
<p>Text iteration will hence begin at the start of the text string. This method is useful if you want to re-use an iterator to search for the same pattern within a different body of text. Note: No parsing of the text within the <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be done during searching for this version. The block of text in <code><a class="el" href="classCharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">CharacterIterator</a></code> will be used as it is. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">text</td><td>text string to be searched </td></tr>
<tr><td class="paramname">status</td><td>for errors if any. If the text length is 0 then an U_ILLEGAL_ARGUMENT_ERROR is returned. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable003526">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
<p>Reimplemented from <a class="el" href="classSearchIterator.html#a104395a4fb609992e1e170c98080366c">SearchIterator</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="stsearch_8h_source.html">stsearch.h</a></li>
</ul>
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