icuSources/samples/translit/unaccent.h

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