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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 **********************************************************************
5 *   Copyright (C) 2001-2007, International Business Machines
6 *   Corporation and others.  All Rights Reserved.
7 **********************************************************************
8 *   Date        Name        Description
9 *   06/07/01    aliu        Creation.
10 **********************************************************************
11 */
12 #ifndef NAME2UNI_H
13 #define NAME2UNI_H
14 
15 #include "unicode/utypes.h"
16 
17 #if !UCONFIG_NO_TRANSLITERATION
18 
19 #include "unicode/translit.h"
20 #include "unicode/uniset.h"
21 
22 U_NAMESPACE_BEGIN
23 
24 /**
25  * A transliterator that performs name to character mapping.
26  * It recognizes the Perl syntax \N{name}.
27  * @author Alan Liu
28  */
29 class NameUnicodeTransliterator : public Transliterator {
30 public:
31 
32     /**
33      * Constructs a transliterator.
34      * @param adoptedFilter    the filter for this transliterator.
35      */
36     NameUnicodeTransliterator(UnicodeFilter* adoptedFilter = 0);
37 
38     /**
39      * Destructor.
40      */
41     virtual ~NameUnicodeTransliterator();
42 
43     /**
44      * Copy constructor.
45      */
46     NameUnicodeTransliterator(const NameUnicodeTransliterator&);
47 
48     /**
49      * Transliterator API.
50      * @return    A copy of the object.
51      */
52     virtual Transliterator* clone(void) const;
53 
54     /**
55      * ICU "poor man's RTTI", returns a UClassID for the actual class.
56      */
57     virtual UClassID getDynamicClassID() const;
58 
59     /**
60      * ICU "poor man's RTTI", returns a UClassID for this class.
61      */
62     U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
63 
64  protected:
65 
66     /**
67      * Implements {@link Transliterator#handleTransliterate}.
68      * @param text          the buffer holding transliterated and
69      *                      untransliterated text
70      * @param offset        the start and limit of the text, the position
71      *                      of the cursor, and the start and limit of transliteration.
72      * @param incremental   if true, assume more text may be coming after
73      *                      pos.contextLimit. Otherwise, assume the text is complete.
74      */
75     virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
76                                      UBool isIncremental) const;
77 
78     /**
79      * Set of characters which occur in Unicode character names.
80      */
81     UnicodeSet legal;
82 private:
83     /**
84      * Assignment operator.
85      */
86     NameUnicodeTransliterator& operator=(const NameUnicodeTransliterator&);
87 };
88 
89 U_NAMESPACE_END
90 
91 #endif /* #if !UCONFIG_NO_TRANSLITERATION */
92 
93 #endif
94