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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/*
*******************************************************************************
* Copyright (C) 2011-2014, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#ifndef __TZNAMES_IMPL_H__
#define __TZNAMES_IMPL_H__
/**
* \file
* \brief C++ API: TimeZoneNames object
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/tznames.h"
#include "unicode/ures.h"
#include "unicode/locid.h"
#include "uhash.h"
#include "uvector.h"
#include "umutex.h"
U_NAMESPACE_BEGIN
/*
* ZNStringPool Pool of (UChar *) strings. Provides for sharing of repeated
* zone strings.
*/
struct ZNStringPoolChunk;
class U_I18N_API ZNStringPool: public UMemory {
public:
ZNStringPool(UErrorCode &status);
~ZNStringPool();
/* Get the pooled string that is equal to the supplied string s.
* Copy the string into the pool if it is not already present.
*
* Life time of the returned string is that of the pool.
*/
const UChar *get(const UChar *s, UErrorCode &status);
/* Get the pooled string that is equal to the supplied string s.
* Copy the string into the pool if it is not already present.
*/
const UChar *get(const UnicodeString &s, UErrorCode &status);
/* Adopt a string into the pool, without copying it.
* Used for strings from resource bundles, which will persist without copying.
*/
const UChar *adopt(const UChar *s, UErrorCode &status);
/* Freeze the string pool. Discards the hash table that is used
* for looking up a string. All pointers to pooled strings remain valid.
*/
void freeze();
private:
ZNStringPoolChunk *fChunks;
UHashtable *fHash;
};
/*
* Character node used by TextTrieMap
*/
struct CharacterNode {
// No constructor or destructor.
// We malloc and free an uninitalized array of CharacterNode objects
// and clear and delete them ourselves.
void clear();
void deleteValues(UObjectDeleter *valueDeleter);
void addValue(void *value, UObjectDeleter *valueDeleter, UErrorCode &status);
inline UBool hasValues() const;
inline int32_t countValues() const;
inline const void *getValue(int32_t index) const;
void *fValues; // Union of one single value vs. UVector of values.
UChar fCharacter; // UTF-16 code unit.
uint16_t fFirstChild; // 0 if no children.
uint16_t fNextSibling; // 0 terminates the list.
UBool fHasValuesVector;
UBool fPadding;
// No value: fValues == NULL and fHasValuesVector == FALSE
// One value: fValues == value and fHasValuesVector == FALSE
// >=2 values: fValues == UVector of values and fHasValuesVector == TRUE
};
inline UBool CharacterNode::hasValues() const {
return (UBool)(fValues != NULL);
}
inline int32_t CharacterNode::countValues() const {
return
fValues == NULL ? 0 :
!fHasValuesVector ? 1 :
((const UVector *)fValues)->size();
}
inline const void *CharacterNode::getValue(int32_t index) const {
if (!fHasValuesVector) {
return fValues; // Assume index == 0.
} else {
return ((const UVector *)fValues)->elementAt(index);
}
}
/*
* Search result handler callback interface used by TextTrieMap search.
*/
class TextTrieMapSearchResultHandler : public UMemory {
public:
virtual UBool handleMatch(int32_t matchLength,
const CharacterNode *node, UErrorCode& status) = 0;
virtual ~TextTrieMapSearchResultHandler(); //added to avoid warning
};
/**
* TextTrieMap is a trie implementation for supporting
* fast prefix match for the string key.
*/
class U_I18N_API TextTrieMap : public UMemory {
public:
TextTrieMap(UBool ignoreCase, UObjectDeleter *valeDeleter);
virtual ~TextTrieMap();
void put(const UnicodeString &key, void *value, ZNStringPool &sp, UErrorCode &status);
void put(const UChar*, void *value, UErrorCode &status);
void search(const UnicodeString &text, int32_t start,
TextTrieMapSearchResultHandler *handler, UErrorCode& status) const;
int32_t isEmpty() const;
private:
UBool fIgnoreCase;
CharacterNode *fNodes;
int32_t fNodesCapacity;
int32_t fNodesCount;
UVector *fLazyContents;
UBool fIsEmpty;
UObjectDeleter *fValueDeleter;
UBool growNodes();
CharacterNode* addChildNode(CharacterNode *parent, UChar c, UErrorCode &status);
CharacterNode* getChildNode(CharacterNode *parent, UChar c) const;
void putImpl(const UnicodeString &key, void *value, UErrorCode &status);
void buildTrie(UErrorCode &status);
void search(CharacterNode *node, const UnicodeString &text, int32_t start,
int32_t index, TextTrieMapSearchResultHandler *handler, UErrorCode &status) const;
};
class ZNames;
class TZNames;
class TextTrieMap;
class TimeZoneNamesImpl : public TimeZoneNames {
public:
TimeZoneNamesImpl(const Locale& locale, UErrorCode& status);
virtual ~TimeZoneNamesImpl();
virtual UBool operator==(const TimeZoneNames& other) const;
virtual TimeZoneNames* clone() const;
StringEnumeration* getAvailableMetaZoneIDs(UErrorCode& status) const;
StringEnumeration* getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status) const;
UnicodeString& getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID) const;
UnicodeString& getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID) const;
UnicodeString& getMetaZoneDisplayName(const UnicodeString& mzID, UTimeZoneNameType type, UnicodeString& name) const;
UnicodeString& getTimeZoneDisplayName(const UnicodeString& tzID, UTimeZoneNameType type, UnicodeString& name) const;
UnicodeString& getExemplarLocationName(const UnicodeString& tzID, UnicodeString& name) const;
TimeZoneNames::MatchInfoCollection* find(const UnicodeString& text, int32_t start, uint32_t types, UErrorCode& status) const;
static UnicodeString& getDefaultExemplarLocationName(const UnicodeString& tzID, UnicodeString& name);
static StringEnumeration* _getAvailableMetaZoneIDs(UErrorCode& status);
static StringEnumeration* _getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status);
static UnicodeString& _getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID);
static UnicodeString& _getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID);
private:
Locale fLocale;
UResourceBundle* fZoneStrings;
UHashtable* fTZNamesMap;
UHashtable* fMZNamesMap;
UBool fNamesTrieFullyLoaded;
TextTrieMap fNamesTrie;
void initialize(const Locale& locale, UErrorCode& status);
void cleanup();
void loadStrings(const UnicodeString& tzCanonicalID);
ZNames* loadMetaZoneNames(const UnicodeString& mzId);
TZNames* loadTimeZoneNames(const UnicodeString& mzId);
};
class TZDBNames;
class TZDBTimeZoneNames : public TimeZoneNames {
public:
TZDBTimeZoneNames(const Locale& locale);
virtual ~TZDBTimeZoneNames();
virtual UBool operator==(const TimeZoneNames& other) const;
virtual TimeZoneNames* clone() const;
StringEnumeration* getAvailableMetaZoneIDs(UErrorCode& status) const;
StringEnumeration* getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status) const;
UnicodeString& getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID) const;
UnicodeString& getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID) const;
UnicodeString& getMetaZoneDisplayName(const UnicodeString& mzID, UTimeZoneNameType type, UnicodeString& name) const;
UnicodeString& getTimeZoneDisplayName(const UnicodeString& tzID, UTimeZoneNameType type, UnicodeString& name) const;
TimeZoneNames::MatchInfoCollection* find(const UnicodeString& text, int32_t start, uint32_t types, UErrorCode& status) const;
static const TZDBNames* getMetaZoneNames(const UnicodeString& mzId, UErrorCode& status);
private:
Locale fLocale;
char fRegion[ULOC_COUNTRY_CAPACITY];
};
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif // __TZNAMES_IMPL_H__
//eof
//
|
