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      1 /*
      2 **********************************************************************
      3 *   Copyright (C) 2001-2007, 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/normlzr.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 
     28     /**
     29      * The normalization mode of this transliterator.
     30      */
     31     UNormalizationMode fMode;
     32 
     33     /**
     34      * Normalization options for this transliterator.
     35      */
     36     int32_t options;
     37 
     38  public:
     39 
     40     /**
     41      * Destructor.
     42      */
     43     virtual ~NormalizationTransliterator();
     44 
     45     /**
     46      * Copy constructor.
     47      */
     48     NormalizationTransliterator(const NormalizationTransliterator&);
     49 
     50     /**
     51      * Transliterator API.
     52      * @return    A copy of the object.
     53      */
     54     virtual Transliterator* clone(void) const;
     55 
     56     /**
     57      * ICU "poor man's RTTI", returns a UClassID for the actual class.
     58      */
     59     virtual UClassID getDynamicClassID() const;
     60 
     61     /**
     62      * ICU "poor man's RTTI", returns a UClassID for this class.
     63      */
     64     U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
     65 
     66  protected:
     67 
     68     /**
     69      * Implements {@link Transliterator#handleTransliterate}.
     70      * @param text          the buffer holding transliterated and
     71      *                      untransliterated text
     72      * @param offset        the start and limit of the text, the position
     73      *                      of the cursor, and the start and limit of transliteration.
     74      * @param incremental   if true, assume more text may be coming after
     75      *                      pos.contextLimit. Otherwise, assume the text is complete.
     76      */
     77     virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
     78                              UBool isIncremental) const;
     79  public:
     80 
     81     /**
     82      * System registration hook.  Public to Transliterator only.
     83      */
     84     static void registerIDs();
     85 
     86  private:
     87 
     88     // Transliterator::Factory methods
     89     static Transliterator* _create(const UnicodeString& ID,
     90                                    Token context);
     91 
     92     /**
     93      * Constructs a transliterator.  This method is private.
     94      * Public users must use the factory method createInstance().
     95      */
     96     NormalizationTransliterator(const UnicodeString& id,
     97                                 UNormalizationMode mode, int32_t opt);
     98 
     99 private:
    100     /**
    101      * Assignment operator.
    102      */
    103     NormalizationTransliterator& operator=(const NormalizationTransliterator&);
    104 };
    105 
    106 U_NAMESPACE_END
    107 
    108 #endif /* #if !UCONFIG_NO_TRANSLITERATION */
    109 
    110 #endif
    111