icuSources/i18n/nortrans.h

   1 /*
   2 **********************************************************************
   3 *   Copyright (C) 2001-2010, International Business Machines
   4 *   Corporation and others.  All Rights Reserved.
   5 **********************************************************************
   6 *   Date        Name        Description
   7 *   07/03/01    aliu        Creation.
   8 **********************************************************************
   9 */
  10 #ifndef NORTRANS_H
  11 #define NORTRANS_H
  12
  13 #include "unicode/utypes.h"
  14
  15 #if !UCONFIG_NO_TRANSLITERATION
  16
  17 #include "unicode/translit.h"
  18 #include "unicode/normalizer2.h"
  19
  20 U_NAMESPACE_BEGIN
  21
  22 /**
  23  * A transliterator that performs normalization.
  24  * @author Alan Liu
  25  */
  26 class NormalizationTransliterator : public Transliterator {
  27     const Normalizer2 &fNorm2;
  28
  29  public:
  30
  31     /**
  32      * Destructor.
  33      */
  34     virtual ~NormalizationTransliterator();
  35
  36     /**
  37      * Copy constructor.
  38      */
  39     NormalizationTransliterator(const NormalizationTransliterator&);
  40
  41     /**
  42      * Transliterator API.
  43      * @return    A copy of the object.
  44      */
  45     virtual Transliterator* clone(void) const;
  46
  47     /**
  48      * ICU "poor man's RTTI", returns a UClassID for the actual class.
  49      */
  50     virtual UClassID getDynamicClassID() const;
  51
  52     /**
  53      * ICU "poor man's RTTI", returns a UClassID for this class.
  54      */
  55     U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
  56
  57  protected:
  58
  59     /**
  60      * Implements {@link Transliterator#handleTransliterate}.
  61      * @param text          the buffer holding transliterated and
  62      *                      untransliterated text
  63      * @param offset        the start and limit of the text, the position
  64      *                      of the cursor, and the start and limit of transliteration.
  65      * @param incremental   if true, assume more text may be coming after
  66      *                      pos.contextLimit. Otherwise, assume the text is complete.
  67      */
  68     virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
  69                              UBool isIncremental) const;
  70  public:
  71
  72     /**
  73      * System registration hook.  Public to Transliterator only.
  74      */
  75     static void registerIDs();
  76
  77  private:
  78
  79     // Transliterator::Factory methods
  80     static Transliterator* _create(const UnicodeString& ID,
  81                                    Token context);
  82
  83     /**
  84      * Constructs a transliterator.  This method is private.
  85      * Public users must use the factory method createInstance().
  86      */
  87     NormalizationTransliterator(const UnicodeString& id, const Normalizer2 &norm2);
  88
  89 private:
  90     /**
  91      * Assignment operator.
  92      */
  93     NormalizationTransliterator& operator=(const NormalizationTransliterator&);
  94 };
  95
  96 U_NAMESPACE_END
  97
  98 #endif /* #if !UCONFIG_NO_TRANSLITERATION */
  99
 100 #endif