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
20U_NAMESPACE_BEGIN
21
22/**
23 * A transliterator that performs normalization.
24 * @author Alan Liu
25 */
26class 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
89private:
90    /**
91     * Assignment operator.
92     */
93    NormalizationTransliterator& operator=(const NormalizationTransliterator&);
94};
95
96U_NAMESPACE_END
97
98#endif /* #if !UCONFIG_NO_TRANSLITERATION */
99
100#endif
101