Home | History | Annotate | Download | only in i18n 
      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
    101