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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">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="classCanonicalIterator.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 CanonicalIterator:</div>
<div class="dyncontent">
<div class="center">
<img src="classCanonicalIterator.png" usemap="#CanonicalIterator_map" alt=""/>
<map id="CanonicalIterator_map" name="CanonicalIterator_map">
<area href="classUObject.html" title="UObject is the common ICU "boilerplate" class." alt="UObject" shape="rect" coords="0,56,109,80"/>
<area href="classUMemory.html" title="UMemory is the common ICU base class." alt="UMemory" shape="rect" coords="0,0,109,24"/>
</map>
</div></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a581c81477525fb72415b732ee787245c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCanonicalIterator.html#a581c81477525fb72415b732ee787245c">CanonicalIterator</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &source, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a581c81477525fb72415b732ee787245c"><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="classCanonicalIterator.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="#a581c81477525fb72415b732ee787245c"></a><br/></td></tr>
<tr class="memitem:abe0bf9f1eff2eb424a2882da89925fbb"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classCanonicalIterator.html#abe0bf9f1eff2eb424a2882da89925fbb">~CanonicalIterator</a> ()</td></tr>
<tr class="memdesc:abe0bf9f1eff2eb424a2882da89925fbb"><td class="mdescLeft"> </td><td class="mdescRight">Destructor Cleans pieces. <a href="#abe0bf9f1eff2eb424a2882da89925fbb"></a><br/></td></tr>
<tr class="memitem:aa9fa2c21b52c2e2cac9e8f76aefde683"><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="classCanonicalIterator.html#aa9fa2c21b52c2e2cac9e8f76aefde683">getSource</a> ()</td></tr>
<tr class="memdesc:aa9fa2c21b52c2e2cac9e8f76aefde683"><td class="mdescLeft"> </td><td class="mdescRight">Gets the NFD form of the current source we are iterating over. <a href="#aa9fa2c21b52c2e2cac9e8f76aefde683"></a><br/></td></tr>
<tr class="memitem:a561310848158d309f57f9068cecfcaef"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCanonicalIterator.html#a561310848158d309f57f9068cecfcaef">reset</a> ()</td></tr>
<tr class="memdesc:a561310848158d309f57f9068cecfcaef"><td class="mdescLeft"> </td><td class="mdescRight">Resets the iterator so that one can start again from the beginning. <a href="#a561310848158d309f57f9068cecfcaef"></a><br/></td></tr>
<tr class="memitem:a085fdd3e06f8a9895f3295ddf202ee92"><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="classCanonicalIterator.html#a085fdd3e06f8a9895f3295ddf202ee92">next</a> ()</td></tr>
<tr class="memdesc:a085fdd3e06f8a9895f3295ddf202ee92"><td class="mdescLeft"> </td><td class="mdescRight">Get the next canonically equivalent string. <a href="#a085fdd3e06f8a9895f3295ddf202ee92"></a><br/></td></tr>
<tr class="memitem:a68c9a2ca974735c9399b7c0b831097b9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCanonicalIterator.html#a68c9a2ca974735c9399b7c0b831097b9">setSource</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &newSource, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &status)</td></tr>
<tr class="memdesc:a68c9a2ca974735c9399b7c0b831097b9"><td class="mdescLeft"> </td><td class="mdescRight">Set a new source for this iterator. <a href="#a68c9a2ca974735c9399b7c0b831097b9"></a><br/></td></tr>
<tr class="memitem:a63a54fdebc38f92648e588ec4aeec9cf"><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="classCanonicalIterator.html#a63a54fdebc38f92648e588ec4aeec9cf">getDynamicClassID</a> () const </td></tr>
<tr class="memdesc:a63a54fdebc38f92648e588ec4aeec9cf"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for the actual class. <a href="#a63a54fdebc38f92648e588ec4aeec9cf"></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:abdcec3eed4a26de48c0e9c27f6d2223c"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCanonicalIterator.html#abdcec3eed4a26de48c0e9c27f6d2223c">permute</a> (<a class="el" href="classUnicodeString.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:abdcec3eed4a26de48c0e9c27f6d2223c"><td class="mdescLeft"> </td><td class="mdescRight">Dumb recursive implementation of permutation. <a href="#abdcec3eed4a26de48c0e9c27f6d2223c"></a><br/></td></tr>
<tr class="memitem:ab9ff3b473ca8fc28b9c104633efec51f"><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="classCanonicalIterator.html#ab9ff3b473ca8fc28b9c104633efec51f">getStaticClassID</a> ()</td></tr>
<tr class="memdesc:ab9ff3b473ca8fc28b9c104633efec51f"><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for this class. <a href="#ab9ff3b473ca8fc28b9c104633efec51f"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>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="classCanonicalIterator.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#_stable000048">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><hr/><h2>Constructor & Destructor Documentation</h2>
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<td class="memname">CanonicalIterator::CanonicalIterator </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>source</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>Construct a <a class="el" href="classCanonicalIterator.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>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000049">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">virtual CanonicalIterator::~CanonicalIterator </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#_stable000050">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<hr/><h2>Member Function Documentation</h2>
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<td class="memname">virtual <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> CanonicalIterator::getDynamicClassID </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</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#_stable000056">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"><a class="el" href="classUnicodeString.html">UnicodeString</a> 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#_stable000051">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> CanonicalIterator::getStaticClassID </td>
<td>(</td>
<td class="paramname"></td><td>)</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#_stable000055">Stable:</a></b></dt><dd>ICU 2.2 </dd></dl>
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<td class="memname"><a class="el" href="classUnicodeString.html">UnicodeString</a> 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#_stable000053">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">static void CanonicalIterator::permute </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>source</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td>
<td class="paramname"><em>skipZeros</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">Hashtable * </td>
<td class="paramname"><em>result</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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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Dumb recursive implementation of permutation. </p>
<p>TODO: optimize </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl class="internal"><dt><b><a class="el" href="internal.html#_internal000018">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 CanonicalIterator::reset </td>
<td>(</td>
<td class="paramname"></td><td>)</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#_stable000052">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">void CanonicalIterator::setSource </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> & </td>
<td class="paramname"><em>newSource</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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<td>)</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>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000054">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
</div>
</div>
<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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