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| <h1 id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter" data-uid="Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter" class="text-break">Class ScandinavianFoldingFilter |
| </h1> |
| <div class="markdown level0 summary"><p>This filter folds Scandinavian characters åÅäæÄÆ->a and öÖøØ->o. |
| It also discriminate against use of double vowels aa, ae, ao, oe and oo, leaving just the first one. |
| <p> |
| It's is a semantically more destructive solution than <a class="xref" href="Lucene.Net.Analysis.Miscellaneous.ScandinavianNormalizationFilter.html">ScandinavianNormalizationFilter</a> but |
| can in addition help with matching raksmorgas as räksmörgås. |
| <p> |
| blåbærsyltetøj == blåbärsyltetöj == blaabaarsyltetoej == blabarsyltetoj |
| räksmörgås == ræksmørgås == ræksmörgaos == raeksmoergaas == raksmorgas |
| <p> |
| Background: |
| Swedish åäö are in fact the same letters as Norwegian and Danish åæø and thus interchangeable |
| when used between these languages. They are however folded differently when people type |
| them on a keyboard lacking these characters. |
| <p> |
| In that situation almost all Swedish people use a, a, o instead of å, ä, ö. |
| <p> |
| Norwegians and Danes on the other hand usually type aa, ae and oe instead of å, æ and ø. |
| Some do however use a, a, o, oo, ao and sometimes permutations of everything above. |
| <p> |
| This filter solves that mismatch problem, but might also cause new.</p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="inheritance"> |
| <h5>Inheritance</h5> |
| <div class="level0"><span class="xref">System.Object</span></div> |
| <div class="level1"><span class="xref">Lucene.Net.Util.AttributeSource</span></div> |
| <div class="level2"><span class="xref">Lucene.Net.Analysis.TokenStream</span></div> |
| <div class="level3"><span class="xref">Lucene.Net.Analysis.TokenFilter</span></div> |
| <div class="level4"><span class="xref">ScandinavianFoldingFilter</span></div> |
| </div> |
| <div classs="implements"> |
| <h5>Implements</h5> |
| <div><span class="xref">System.IDisposable</span></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <span class="xref">Lucene.Net.Analysis.TokenFilter.m_input</span> |
| </div> |
| <div> |
| <span class="xref">Lucene.Net.Analysis.TokenFilter.End()</span> |
| </div> |
| <div> |
| <a class="xref" href="https://lucenenet.apache.org/docs/4.8.0-beta00013/api/core/Lucene.Net.Analysis.TokenFilter.html#Lucene_Net_Analysis_TokenFilter_Dispose_System_Boolean_">TokenFilter.Dispose(Boolean)</a> |
| </div> |
| <div> |
| <span class="xref">Lucene.Net.Analysis.TokenFilter.Reset()</span> |
| </div> |
| <div> |
| <span class="xref">Lucene.Net.Analysis.TokenStream.Dispose()</span> |
| </div> |
| <div> |
| <span class="xref">Lucene.Net.Util.AttributeSource.GetAttributeFactory()</span> |
| </div> |
| <div> |
| <span class="xref">Lucene.Net.Util.AttributeSource.GetAttributeClassesEnumerator()</span> |
| </div> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.GetAttributeImplsEnumerator()</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.AddAttributeImpl(Lucene.Net.Util.Attribute)</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.AddAttribute<T>()</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.HasAttributes</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.HasAttribute<T>()</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.CaptureState()</span> |
| </div> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.RestoreState(Lucene.Net.Util.AttributeSource.State)</span> |
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| </div> |
| <div> |
| <a class="xref" href="https://lucenenet.apache.org/docs/4.8.0-beta00013/api/core/Lucene.Net.Util.AttributeSource.html#Lucene_Net_Util_AttributeSource_ReflectAsString_System_Boolean_">AttributeSource.ReflectAsString(Boolean)</a> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.ReflectWith(Lucene.Net.Util.IAttributeReflector)</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.CloneAttributes()</span> |
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| <span class="xref">Lucene.Net.Util.AttributeSource.ToString()</span> |
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| <span class="xref">System.Object.MemberwiseClone()</span> |
| </div> |
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| <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Analysis.Miscellaneous.html">Lucene.Net.Analysis.Miscellaneous</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.Analysis.Common.dll</h6> |
| <h5 id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public sealed class ScandinavianFoldingFilter : TokenFilter, IDisposable</code></pre> |
| </div> |
| <h3 id="constructors">Constructors |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter__ctor_Lucene_Net_Analysis_TokenStream_.md&value=---%0Auid%3A%20Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.%23ctor(Lucene.Net.Analysis.TokenStream)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs/#L48">View Source</a> |
| </span> |
| <a id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter__ctor_" data-uid="Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.#ctor*"></a> |
| <h4 id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter__ctor_Lucene_Net_Analysis_TokenStream_" data-uid="Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.#ctor(Lucene.Net.Analysis.TokenStream)">ScandinavianFoldingFilter(TokenStream)</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public ScandinavianFoldingFilter(TokenStream input)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">Lucene.Net.Analysis.TokenStream</span></td> |
| <td><span class="parametername">input</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="methods">Methods |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter_IncrementToken.md&value=---%0Auid%3A%20Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.IncrementToken%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
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| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs/#L68">View Source</a> |
| </span> |
| <a id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter_IncrementToken_" data-uid="Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.IncrementToken*"></a> |
| <h4 id="Lucene_Net_Analysis_Miscellaneous_ScandinavianFoldingFilter_IncrementToken" data-uid="Lucene.Net.Analysis.Miscellaneous.ScandinavianFoldingFilter.IncrementToken">IncrementToken()</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public override bool IncrementToken()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="overrides">Overrides</h5> |
| <div><span class="xref">Lucene.Net.Analysis.TokenStream.IncrementToken()</span></div> |
| <h3 id="implements">Implements</h3> |
| <div> |
| <span class="xref">System.IDisposable</span> |
| </div> |
| <h3 id="seealso">See Also</h3> |
| <div class="seealso"> |
| <div><a class="xref" href="Lucene.Net.Analysis.Miscellaneous.ScandinavianNormalizationFilter.html">ScandinavianNormalizationFilter</a></div> |
| </div> |
| </article> |
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