1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4*******************************************************************************
5*
6* Copyright (C) 2001-2008, International Business Machines
7* Corporation and others. All Rights Reserved.
8*
9*******************************************************************************
10* file name: casetrn.h
11* encoding: UTF-8
12* tab size: 8 (not used)
13* indentation:4
14*
15* created on: 2004sep03
16* created by: Markus W. Scherer
17*
18* Implementation class for lower-/upper-/title-casing transliterators.
19*/
20
21#ifndef __CASETRN_H__
22#define __CASETRN_H__
23
24#include "unicode/utypes.h"
25
26#if !UCONFIG_NO_TRANSLITERATION
27
28#include "unicode/translit.h"
29#include "ucase.h"
30
31U_NAMESPACE_BEGIN
32
33/**
34 * A transliterator that performs locale-sensitive
35 * case mapping.
36 */
37class CaseMapTransliterator : public Transliterator {
38public:
39 /**
40 * Constructs a transliterator.
41 * @param loc the given locale.
42 * @param id the transliterator ID.
43 * @param map the full case mapping function (see ucase.h)
44 */
45 CaseMapTransliterator(const UnicodeString &id, UCaseMapFull *map);
46
47 /**
48 * Destructor.
49 */
50 virtual ~CaseMapTransliterator();
51
52 /**
53 * Copy constructor.
54 */
55 CaseMapTransliterator(const CaseMapTransliterator&);
56
57 /**
58 * Transliterator API.
59 * @return a copy of the object.
60 */
61 virtual CaseMapTransliterator* clone() const = 0;
62
63 /**
64 * ICU "poor man's RTTI", returns a UClassID for the actual class.
65 */
66 //virtual UClassID getDynamicClassID() const;
67
68 /**
69 * ICU "poor man's RTTI", returns a UClassID for this class.
70 */
71 U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
72
73protected:
74 /**
75 * Implements {@link Transliterator#handleTransliterate}.
76 * @param text the buffer holding transliterated and
77 * untransliterated text
78 * @param offset the start and limit of the text, the position
79 * of the cursor, and the start and limit of transliteration.
80 * @param incremental if true, assume more text may be coming after
81 * pos.contextLimit. Otherwise, assume the text is complete.
82 */
83 virtual void handleTransliterate(Replaceable& text,
84 UTransPosition& offsets,
85 UBool isIncremental) const;
86
87 UCaseMapFull *fMap;
88
89private:
90 /**
91 * Assignment operator.
92 */
93 CaseMapTransliterator& operator=(const CaseMapTransliterator&);
94
95};
96
97U_NAMESPACE_END
98
99/** case context iterator using a Replaceable. This must be a C function because it is a callback. */
100U_CFUNC UChar32 U_CALLCONV
101utrans_rep_caseContextIterator(void *context, int8_t dir);
102
103#endif /* #if !UCONFIG_NO_TRANSLITERATION */
104
105#endif
106