icuSources/samples/translit/unaccent.h

   1 /***********************************************************************
   2  * © 2016 and later: Unicode, Inc. and others.
   3  * License & terms of use: http://www.unicode.org/copyright.html#License
   4  ***********************************************************************
   5  ***********************************************************************
   6  * COPYRIGHT:
   7  * Copyright (c) 1999-2003, International Business Machines Corporation and
   8  * others. All Rights Reserved.
   9  ***********************************************************************/
  10
  11 #include "unicode/translit.h"
  12 #include "unicode/normlzr.h"
  13
  14 class UnaccentTransliterator : public Transliterator {
  15
  16  public:
  17
  18     /**
  19      * Constructor
  20      */
  21     UnaccentTransliterator();
  22
  23     /**
  24      * Destructor
  25      */
  26     virtual ~UnaccentTransliterator();
  27
  28  protected:
  29
  30     /**
  31      * Implement Transliterator API
  32      */
  33     virtual void handleTransliterate(Replaceable& text,
  34                                      UTransPosition& index,
  35                                      UBool incremental) const;
  36
  37  private:
  38
  39     /**
  40      * Unaccent a single character using normalizer.
  41      */
  42     UChar unaccent(UChar c) const;
  43
  44     Normalizer normalizer;
  45
  46 public:
  47
  48     /**
  49      * Return the class ID for this class.  This is useful only for
  50      * comparing to a return value from getDynamicClassID().  For example:
  51      * <pre>
  52      * .      Base* polymorphic_pointer = createPolymorphicObject();
  53      * .      if (polymorphic_pointer->getDynamicClassID() ==
  54      * .          Derived::getStaticClassID()) ...
  55      * </pre>
  56      * @return          The class ID for all objects of this class.
  57      * @stable ICU 2.0
  58      */
  59     static inline UClassID getStaticClassID(void) { return (UClassID)&fgClassID; };
  60
  61     /**
  62      * Returns a unique class ID <b>polymorphically</b>.  This method
  63      * is to implement a simple version of RTTI, since not all C++
  64      * compilers support genuine RTTI.  Polymorphic operator==() and
  65      * clone() methods call this method.
  66      *
  67      * <p>Concrete subclasses of Transliterator that wish clients to
  68      * be able to identify them should implement getDynamicClassID()
  69      * and also a static method and data member:
  70      *
  71      * <pre>
  72      * static UClassID getStaticClassID() { return (UClassID)&fgClassID; }
  73      * static char fgClassID;
  74      * </pre>
  75      *
  76      * Subclasses that do not implement this method will have a
  77      * dynamic class ID of Transliterator::getStatisClassID().
  78      *
  79      * @return The class ID for this object. All objects of a given
  80      * class have the same class ID.  Objects of other classes have
  81      * different class IDs.
  82      * @stable ICU 2.0
  83      */
  84     virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); };
  85
  86 private:
  87
  88     /**
  89      * Class identifier for subclasses of Transliterator that do not
  90      * define their class (anonymous subclasses).
  91      */
  92     static const char fgClassID;
  93 };