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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1999-2007, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 11/17/99 aliu Creation.
**********************************************************************
*/
#ifndef RBT_H
#define RBT_H
#include "unicode/utypes.h"
#if !UCONFIG_NO_TRANSLITERATION
#include "unicode/translit.h"
#include "unicode/utypes.h"
#include "unicode/parseerr.h"
#include "unicode/udata.h"
#define U_ICUDATA_TRANSLIT U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "translit"
U_NAMESPACE_BEGIN
class TransliterationRuleData;
/**
* <code>RuleBasedTransliterator</code> is a transliterator
* built from a set of rules as defined for
* Transliterator::createFromRules().
* See the C++ class Transliterator documentation for the rule syntax.
*
* @author Alan Liu
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
class RuleBasedTransliterator : public Transliterator {
private:
/**
* The data object is immutable, so we can freely share it with
* other instances of RBT, as long as we do NOT own this object.
* TODO: data is no longer immutable. See bugs #1866, 2155
*/
TransliterationRuleData* fData;
/**
* If true, we own the data object and must delete it.
*/
UBool isDataOwned;
public:
/**
* Constructs a new transliterator from the given rules.
* @param rules rules, separated by ';'
* @param direction either FORWARD or REVERSE.
* @exception IllegalArgumentException if rules are malformed.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
RuleBasedTransliterator(const UnicodeString& id,
const UnicodeString& rules,
UTransDirection direction,
UnicodeFilter* adoptedFilter,
UParseError& parseError,
UErrorCode& status);
/**
* Constructs a new transliterator from the given rules.
* @param rules rules, separated by ';'
* @param direction either FORWARD or REVERSE.
* @exception IllegalArgumentException if rules are malformed.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
/*RuleBasedTransliterator(const UnicodeString& id,
const UnicodeString& rules,
UTransDirection direction,
UnicodeFilter* adoptedFilter,
UErrorCode& status);*/
/**
* Covenience constructor with no filter.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
/*RuleBasedTransliterator(const UnicodeString& id,
const UnicodeString& rules,
UTransDirection direction,
UErrorCode& status);*/
/**
* Covenience constructor with no filter and FORWARD direction.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
/*RuleBasedTransliterator(const UnicodeString& id,
const UnicodeString& rules,
UErrorCode& status);*/
/**
* Covenience constructor with FORWARD direction.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
/*RuleBasedTransliterator(const UnicodeString& id,
const UnicodeString& rules,
UnicodeFilter* adoptedFilter,
UErrorCode& status);*/
private:
friend class TransliteratorRegistry; // to access TransliterationRuleData convenience ctor
/**
* Covenience constructor.
* @param id the id for the transliterator.
* @param theData the rule data for the transliterator.
* @param adoptedFilter the filter for the transliterator
*/
RuleBasedTransliterator(const UnicodeString& id,
const TransliterationRuleData* theData,
UnicodeFilter* adoptedFilter = 0);
friend class Transliterator; // to access following ct
/**
* Internal constructor.
* @param id the id for the transliterator.
* @param theData the rule data for the transliterator.
* @param isDataAdopted determine who will own the 'data' object. True, the caller should not delete 'data'.
*/
RuleBasedTransliterator(const UnicodeString& id,
TransliterationRuleData* data,
UBool isDataAdopted);
public:
/**
* Copy constructor.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
RuleBasedTransliterator(const RuleBasedTransliterator&);
virtual ~RuleBasedTransliterator();
/**
* Implement Transliterator API.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
virtual RuleBasedTransliterator* clone() const;
protected:
/**
* Implements {@link Transliterator#handleTransliterate}.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
virtual void handleTransliterate(Replaceable& text, UTransPosition& offsets,
UBool isIncremental) const;
public:
/**
* Return a representation of this transliterator as source rules.
* These rules will produce an equivalent transliterator if used
* to construct a new transliterator.
* @param result the string to receive the rules. Previous
* contents will be deleted.
* @param escapeUnprintable if TRUE then convert unprintable
* character to their hex escape representations, \uxxxx or
* \Uxxxxxxxx. Unprintable characters are those other than
* U+000A, U+0020..U+007E.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
virtual UnicodeString& toRules(UnicodeString& result,
UBool escapeUnprintable) const;
protected:
/**
* Implement Transliterator framework
*/
virtual void handleGetSourceSet(UnicodeSet& result) const;
public:
/**
* Override Transliterator framework
*/
virtual UnicodeSet& getTargetSet(UnicodeSet& result) const;
/**
* Return the class ID for this class. This is useful only for
* comparing to a return value from getDynamicClassID(). For example:
* <pre>
* . Base* polymorphic_pointer = createPolymorphicObject();
* . if (polymorphic_pointer->getDynamicClassID() ==
* . Derived::getStaticClassID()) ...
* </pre>
* @return The class ID for all objects of this class.
* @internal Use transliterator factory methods instead since this class will be removed in that release.
*/
U_I18N_API 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.
*
* @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.
*/
virtual UClassID getDynamicClassID(void) const;
private:
void _construct(const UnicodeString& rules,
UTransDirection direction,
UParseError& parseError,
UErrorCode& status);
};
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_TRANSLITERATION */
#endif
|
