blob: 8751302494bcdb346e68801512db10075ebc78c3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (c) 2002-2005, International Business Machines Corporation
* and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 01/14/2002 aliu Creation.
**********************************************************************
*/
#ifndef UNIFUNCT_H
#define UNIFUNCT_H
#include "unicode/utypes.h"
#if U_SHOW_CPLUSPLUS_API
#include "unicode/uobject.h"
/**
* \file
* \brief C++ API: Unicode Functor
*/
U_NAMESPACE_BEGIN
class UnicodeMatcher;
class UnicodeReplacer;
class TransliterationRuleData;
/**
* <code>UnicodeFunctor</code> is an abstract base class for objects
* that perform match and/or replace operations on Unicode strings.
* @author Alan Liu
* @stable ICU 2.4
*/
class U_COMMON_API UnicodeFunctor : public UObject {
public:
/**
* Destructor
* @stable ICU 2.4
*/
virtual ~UnicodeFunctor();
/**
* Return a copy of this object. All UnicodeFunctor objects
* have to support cloning in order to allow classes using
* UnicodeFunctor to implement cloning.
* @stable ICU 2.4
*/
virtual UnicodeFunctor* clone() const = 0;
/**
* Cast 'this' to a UnicodeMatcher* pointer and return the
* pointer, or null if this is not a UnicodeMatcher*. Subclasses
* that mix in UnicodeMatcher as a base class must override this.
* This protocol is required because a pointer to a UnicodeFunctor
* cannot be cast to a pointer to a UnicodeMatcher, since
* UnicodeMatcher is a mixin that does not derive from
* UnicodeFunctor.
* @stable ICU 2.4
*/
virtual UnicodeMatcher* toMatcher() const;
/**
* Cast 'this' to a UnicodeReplacer* pointer and return the
* pointer, or null if this is not a UnicodeReplacer*. Subclasses
* that mix in UnicodeReplacer as a base class must override this.
* This protocol is required because a pointer to a UnicodeFunctor
* cannot be cast to a pointer to a UnicodeReplacer, since
* UnicodeReplacer is a mixin that does not derive from
* UnicodeFunctor.
* @stable ICU 2.4
*/
virtual UnicodeReplacer* toReplacer() const;
/**
* Return the class ID for this class. This is useful only for
* comparing to a return value from getDynamicClassID().
* @return The class ID for all objects of this class.
* @stable ICU 2.0
*/
static UClassID U_EXPORT2 getStaticClassID(void);
/**
* Returns a unique class ID <b>polymorphically</b>. This method
* is to implement a simple version of RTTI, since not all C++
* compilers support genuine RTTI. Polymorphic operator==() and
* clone() methods call this method.
*
* <p>Concrete subclasses of UnicodeFunctor should use the macro
* UOBJECT_DEFINE_RTTI_IMPLEMENTATION from uobject.h to
* provide definitions getStaticClassID and getDynamicClassID.
*
* @return The class ID for this object. All objects of a given
* class have the same class ID. Objects of other classes have
* different class IDs.
* @stable ICU 2.4
*/
virtual UClassID getDynamicClassID(void) const override = 0;
/**
* Set the data object associated with this functor. The data
* object provides context for functor-to-standin mapping. This
* method is required when assigning a functor to a different data
* object. This function MAY GO AWAY later if the architecture is
* changed to pass data object pointers through the API.
* @internal ICU 2.1
*/
virtual void setData(const TransliterationRuleData*) = 0;
protected:
/**
* Since this class has pure virtual functions,
* a constructor can't be used.
* @stable ICU 2.0
*/
/*UnicodeFunctor();*/
};
/*inline UnicodeFunctor::UnicodeFunctor() {}*/
U_NAMESPACE_END
#endif /* U_SHOW_CPLUSPLUS_API */
#endif
|