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<li class="navelem"><a class="el" href="namespaceicu.html">icu</a></li><li class="navelem"><a class="el" href="classicu_1_1CanonicalIterator.html">CanonicalIterator</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">icu::CanonicalIterator Class Reference</div> </div>
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<p>This class allows one to iterate through all the strings that are canonically equivalent to a given string.
<a href="classicu_1_1CanonicalIterator.html#details">More...</a></p>
<p><code>#include <<a class="el" href="caniter_8h_source.html">caniter.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for icu::CanonicalIterator:</div>
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<div class="center">
<img src="classicu_1_1CanonicalIterator.png" usemap="#icu::CanonicalIterator_map" alt=""/>
<map id="icu::CanonicalIterator_map" name="icu::CanonicalIterator_map">
<area href="classicu_1_1UObject.html" title="UObject is the common ICU "boilerplate" class. " alt="icu::UObject" shape="rect" coords="0,56,132,80"/>
<area href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class. " alt="icu::UMemory" shape="rect" coords="0,0,132,24"/>
</map>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a99c3ac55fb967630a65172cbfc5c14d9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a99c3ac55fb967630a65172cbfc5c14d9">CanonicalIterator</a> (const <a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> &source, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a99c3ac55fb967630a65172cbfc5c14d9"><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="classicu_1_1CanonicalIterator.html" title="This class allows one to iterate through all the strings that are canonically equivalent to a given s...">CanonicalIterator</a> object. <a href="#a99c3ac55fb967630a65172cbfc5c14d9">More...</a><br/></td></tr>
<tr class="separator:a99c3ac55fb967630a65172cbfc5c14d9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac3f2ace58a6e6ba7378c292dd31047b1"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#ac3f2ace58a6e6ba7378c292dd31047b1">~CanonicalIterator</a> ()</td></tr>
<tr class="memdesc:ac3f2ace58a6e6ba7378c292dd31047b1"><td class="mdescLeft"> </td><td class="mdescRight">Destructor Cleans pieces. <a href="#ac3f2ace58a6e6ba7378c292dd31047b1">More...</a><br/></td></tr>
<tr class="separator:ac3f2ace58a6e6ba7378c292dd31047b1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abbac8cbea88525dfaf187e22a0462a69"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#abbac8cbea88525dfaf187e22a0462a69">getSource</a> ()</td></tr>
<tr class="memdesc:abbac8cbea88525dfaf187e22a0462a69"><td class="mdescLeft"> </td><td class="mdescRight">Gets the NFD form of the current source we are iterating over. <a href="#abbac8cbea88525dfaf187e22a0462a69">More...</a><br/></td></tr>
<tr class="separator:abbac8cbea88525dfaf187e22a0462a69"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1239f826a79d5d9e2cd10c2cb1b83d86"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a1239f826a79d5d9e2cd10c2cb1b83d86">reset</a> ()</td></tr>
<tr class="memdesc:a1239f826a79d5d9e2cd10c2cb1b83d86"><td class="mdescLeft"> </td><td class="mdescRight">Resets the iterator so that one can start again from the beginning. <a href="#a1239f826a79d5d9e2cd10c2cb1b83d86">More...</a><br/></td></tr>
<tr class="separator:a1239f826a79d5d9e2cd10c2cb1b83d86"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2bd465c0f54b55511bc3dc402c1dce7b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a2bd465c0f54b55511bc3dc402c1dce7b">next</a> ()</td></tr>
<tr class="memdesc:a2bd465c0f54b55511bc3dc402c1dce7b"><td class="mdescLeft"> </td><td class="mdescRight">Get the next canonically equivalent string. <a href="#a2bd465c0f54b55511bc3dc402c1dce7b">More...</a><br/></td></tr>
<tr class="separator:a2bd465c0f54b55511bc3dc402c1dce7b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6a205c892d3fd9a668a6e6e1c8455a5f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a6a205c892d3fd9a668a6e6e1c8455a5f">setSource</a> (const <a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> &newSource, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a6a205c892d3fd9a668a6e6e1c8455a5f"><td class="mdescLeft"> </td><td class="mdescRight">Set a new source for this iterator. <a href="#a6a205c892d3fd9a668a6e6e1c8455a5f">More...</a><br/></td></tr>
<tr class="separator:a6a205c892d3fd9a668a6e6e1c8455a5f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a043b5815e988ead92b0a8d338837b02c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a043b5815e988ead92b0a8d338837b02c">getDynamicClassID</a> () const </td></tr>
<tr class="memdesc:a043b5815e988ead92b0a8d338837b02c"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for the actual class. <a href="#a043b5815e988ead92b0a8d338837b02c">More...</a><br/></td></tr>
<tr class="separator:a043b5815e988ead92b0a8d338837b02c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classicu_1_1UObject"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classicu_1_1UObject')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classicu_1_1UObject.html">icu::UObject</a></td></tr>
<tr class="memitem:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UObject.html#af10026497704f510d3d1f2eff50acb18">~UObject</a> ()</td></tr>
<tr class="memdesc:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#af10026497704f510d3d1f2eff50acb18">More...</a><br/></td></tr>
<tr class="separator:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a327b2e0c81d3e942584daa1b3dcf3d46"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a327b2e0c81d3e942584daa1b3dcf3d46">permute</a> (<a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> &source, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> skipZeros, Hashtable *result, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a327b2e0c81d3e942584daa1b3dcf3d46"><td class="mdescLeft"> </td><td class="mdescRight">Dumb recursive implementation of permutation. <a href="#a327b2e0c81d3e942584daa1b3dcf3d46">More...</a><br/></td></tr>
<tr class="separator:a327b2e0c81d3e942584daa1b3dcf3d46"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5a4c1aff75f15f321252e9a2fe96a3e8"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1CanonicalIterator.html#a5a4c1aff75f15f321252e9a2fe96a3e8">getStaticClassID</a> ()</td></tr>
<tr class="memdesc:a5a4c1aff75f15f321252e9a2fe96a3e8"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for this class. <a href="#a5a4c1aff75f15f321252e9a2fe96a3e8">More...</a><br/></td></tr>
<tr class="separator:a5a4c1aff75f15f321252e9a2fe96a3e8"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class allows one to iterate through all the strings that are canonically equivalent to a given string. </p>
<p>For example, here are some sample results: Results for: {LATIN CAPITAL LETTER A WITH RING ABOVE}{LATIN SMALL LETTER D}{COMBINING DOT ABOVE}{COMBINING CEDILLA} 1: \u0041\u030A\u0064\u0307\u0327 = {LATIN CAPITAL LETTER A}{COMBINING RING ABOVE}{LATIN SMALL LETTER D}{COMBINING DOT ABOVE}{COMBINING CEDILLA} 2: \u0041\u030A\u0064\u0327\u0307 = {LATIN CAPITAL LETTER A}{COMBINING RING ABOVE}{LATIN SMALL LETTER D}{COMBINING CEDILLA}{COMBINING DOT ABOVE} 3: \u0041\u030A\u1E0B\u0327 = {LATIN CAPITAL LETTER A}{COMBINING RING ABOVE}{LATIN SMALL LETTER D WITH DOT ABOVE}{COMBINING CEDILLA} 4: \u0041\u030A\u1E11\u0307 = {LATIN CAPITAL LETTER A}{COMBINING RING ABOVE}{LATIN SMALL LETTER D WITH CEDILLA}{COMBINING DOT ABOVE} 5: \u00C5\u0064\u0307\u0327 = {LATIN CAPITAL LETTER A WITH RING ABOVE}{LATIN SMALL LETTER D}{COMBINING DOT ABOVE}{COMBINING CEDILLA} 6: \u00C5\u0064\u0327\u0307 = {LATIN CAPITAL LETTER A WITH RING ABOVE}{LATIN SMALL LETTER D}{COMBINING CEDILLA}{COMBINING DOT ABOVE} 7: \u00C5\u1E0B\u0327 = {LATIN CAPITAL LETTER A WITH RING ABOVE}{LATIN SMALL LETTER D WITH DOT ABOVE}{COMBINING CEDILLA} 8: \u00C5\u1E11\u0307 = {LATIN CAPITAL LETTER A WITH RING ABOVE}{LATIN SMALL LETTER D WITH CEDILLA}{COMBINING DOT ABOVE} 9: \u212B\u0064\u0307\u0327 = {ANGSTROM SIGN}{LATIN SMALL LETTER D}{COMBINING DOT ABOVE}{COMBINING CEDILLA} 10: \u212B\u0064\u0327\u0307 = {ANGSTROM SIGN}{LATIN SMALL LETTER D}{COMBINING CEDILLA}{COMBINING DOT ABOVE} 11: \u212B\u1E0B\u0327 = {ANGSTROM SIGN}{LATIN SMALL LETTER D WITH DOT ABOVE}{COMBINING CEDILLA} 12: \u212B\u1E11\u0307 = {ANGSTROM SIGN}{LATIN SMALL LETTER D WITH CEDILLA}{COMBINING DOT ABOVE} <br/>
Note: the code is intended for use with small strings, and is not suitable for larger ones, since it has not been optimized for that situation. Note, <a class="el" href="classicu_1_1CanonicalIterator.html" title="This class allows one to iterate through all the strings that are canonically equivalent to a given s...">CanonicalIterator</a> is not intended to be subclassed. </p>
<dl class="section author"><dt>Author</dt><dd>M. Davis </dd>
<dd>
C++ port by V. Weinstein </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000100">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="caniter_8h_source.html#l00072">72</a> of file <a class="el" href="caniter_8h_source.html">caniter.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">icu::CanonicalIterator::CanonicalIterator </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>source</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>
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<p>Construct a <a class="el" href="classicu_1_1CanonicalIterator.html" title="This class allows one to iterate through all the strings that are canonically equivalent to a given s...">CanonicalIterator</a> object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">source</td><td>string to get results for </td></tr>
<tr><td class="paramname">status</td><td>Fill-in parameter which receives the status of this operation. </td></tr>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000101">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">virtual icu::CanonicalIterator::~CanonicalIterator </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Destructor Cleans pieces. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000102">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual <a class="el" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> icu::CanonicalIterator::getDynamicClassID </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </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#_stable000108">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
<p>Reimplemented from <a class="el" href="classicu_1_1UObject.html#a1aa93096e880907080b503ff1fb0f8bc">icu::UObject</a>.</p>
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<td class="memname"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> icu::CanonicalIterator::getSource </td>
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<p>Gets the NFD form of the current source we are iterating over. </p>
<dl class="section return"><dt>Returns</dt><dd>gets the source: NOTE: it is the NFD form of source </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000103">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">static <a class="el" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> icu::CanonicalIterator::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#_stable000107">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
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<td class="memname"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> icu::CanonicalIterator::next </td>
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<p>Get the next canonically equivalent string. </p>
<p><br/>
<b>Warning: The strings are not guaranteed to be in any particular order.</b> </p>
<dl class="section return"><dt>Returns</dt><dd>the next string that is canonically equivalent. A bogus string is returned when the iteration is done. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000105">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">static void icu::CanonicalIterator::permute </td>
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<td class="paramtype"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>source</em>, </td>
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<td class="paramname"><em>skipZeros</em>, </td>
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<td class="paramtype">Hashtable * </td>
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<p>Dumb recursive implementation of permutation. </p>
<p>TODO: optimize </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">source</td><td>the string to find permutations for </td></tr>
<tr><td class="paramname">skipZeros</td><td>determine if skip zeros </td></tr>
<tr><td class="paramname">result</td><td>the results in a set. </td></tr>
<tr><td class="paramname">status</td><td>Fill-in parameter which receives the status of this operation. </td></tr>
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<dl class="internal"><dt><b><a class="el" href="internal.html#_internal000007">Internal:</a></b></dt><dd>Do not use. This API is for internal use only. </dd></dl>
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<td class="memname">void icu::CanonicalIterator::reset </td>
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<p>Resets the iterator so that one can start again from the beginning. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000104">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">void icu::CanonicalIterator::setSource </td>
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<p>Set a new source for this iterator. </p>
<p>Allows object reuse. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">newSource</td><td>the source string to iterate against. This allows the same iterator to be used while changing the source string, saving object creation. </td></tr>
<tr><td class="paramname">status</td><td>Fill-in parameter which receives the status of this operation. </td></tr>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000106">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="caniter_8h_source.html">caniter.h</a></li>
</ul>
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