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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (C) 2001-2007, International Business Machines
+* Corporation and others. All Rights Reserved.
+**********************************************************************
+* Date Name Description
+* 05/24/01 aliu Creation.
+**********************************************************************
+*/
+#ifndef TITLETRN_H
+#define TITLETRN_H
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#include "unicode/translit.h"
+#include "ucase.h"
+#include "casetrn.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * A transliterator that converts all letters (as defined by
+ * <code>UCharacter.isLetter()</code>) to lower case, except for those
+ * letters preceded by non-letters. The latter are converted to title
+ * case using <code>u_totitle()</code>.
+ * @author Alan Liu
+ */
+class TitlecaseTransliterator : public CaseMapTransliterator {
+ public:
+
+ /**
+ * Constructs a transliterator.
+ * @param loc the given locale.
+ */
+ TitlecaseTransliterator();
+
+ /**
+ * Destructor.
+ */
+ virtual ~TitlecaseTransliterator();
+
+ /**
+ * Copy constructor.
+ */
+ TitlecaseTransliterator(const TitlecaseTransliterator&);
+
+ /**
+ * Transliterator API.
+ * @return a copy of the object.
+ */
+ virtual TitlecaseTransliterator* clone() const override;
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for the actual class.
+ */
+ virtual UClassID getDynamicClassID() const override;
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for this class.
+ */
+ U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
+
+protected:
+
+ /**
+ * Implements {@link Transliterator#handleTransliterate}.
+ * @param text the buffer holding transliterated and
+ * untransliterated text
+ * @param offset the start and limit of the text, the position
+ * of the cursor, and the start and limit of transliteration.
+ * @param incremental if true, assume more text may be coming after
+ * pos.contextLimit. Otherwise, assume the text is complete.
+ */
+ virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
+ UBool isIncremental) const override;
+
+private:
+ /**
+ * Assignment operator.
+ */
+ TitlecaseTransliterator& operator=(const TitlecaseTransliterator&);
+};
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */
+
+#endif