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
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
|
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2016, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*
* File DTPTNGEN.H
*
*******************************************************************************
*/
#ifndef __DTPTNGEN_IMPL_H__
#define __DTPTNGEN_IMPL_H__
#include <_foundation_unicode/udatpg.h>
#include <_foundation_unicode/strenum.h>
#include <_foundation_unicode/unistr.h>
#include "uvector.h"
// TODO(claireho): Split off Builder class.
// TODO(claireho): If splitting off Builder class: As subclass or independent?
#define MAX_PATTERN_ENTRIES 52
#define MAX_CLDR_FIELD_LEN 60
#define MAX_DT_TOKEN 50
#define MAX_RESOURCE_FIELD 12
#define MAX_AVAILABLE_FORMATS 12
#define NONE 0
#define EXTRA_FIELD 0x10000
#define MISSING_FIELD 0x1000
#define MAX_STRING_ENUMERATION 200
#define SINGLE_QUOTE ((char16_t)0x0027)
#define FORWARDSLASH ((char16_t)0x002F)
#define BACKSLASH ((char16_t)0x005C)
#define SPACE ((char16_t)0x0020)
#define QUOTATION_MARK ((char16_t)0x0022)
#define ASTERISK ((char16_t)0x002A)
#define PLUSSITN ((char16_t)0x002B)
#define COMMA ((char16_t)0x002C)
#define HYPHEN ((char16_t)0x002D)
#define DOT ((char16_t)0x002E)
#define COLON ((char16_t)0x003A)
#define CAP_A ((char16_t)0x0041)
#define CAP_B ((char16_t)0x0042)
#define CAP_C ((char16_t)0x0043)
#define CAP_D ((char16_t)0x0044)
#define CAP_E ((char16_t)0x0045)
#define CAP_F ((char16_t)0x0046)
#define CAP_G ((char16_t)0x0047)
#define CAP_H ((char16_t)0x0048)
#define CAP_J ((char16_t)0x004A)
#define CAP_K ((char16_t)0x004B)
#define CAP_L ((char16_t)0x004C)
#define CAP_M ((char16_t)0x004D)
#define CAP_O ((char16_t)0x004F)
#define CAP_Q ((char16_t)0x0051)
#define CAP_S ((char16_t)0x0053)
#define CAP_T ((char16_t)0x0054)
#define CAP_U ((char16_t)0x0055)
#define CAP_V ((char16_t)0x0056)
#define CAP_W ((char16_t)0x0057)
#define CAP_X ((char16_t)0x0058)
#define CAP_Y ((char16_t)0x0059)
#define CAP_Z ((char16_t)0x005A)
#define LOWLINE ((char16_t)0x005F)
#define LOW_A ((char16_t)0x0061)
#define LOW_B ((char16_t)0x0062)
#define LOW_C ((char16_t)0x0063)
#define LOW_D ((char16_t)0x0064)
#define LOW_E ((char16_t)0x0065)
#define LOW_F ((char16_t)0x0066)
#define LOW_G ((char16_t)0x0067)
#define LOW_H ((char16_t)0x0068)
#define LOW_I ((char16_t)0x0069)
#define LOW_J ((char16_t)0x006A)
#define LOW_K ((char16_t)0x006B)
#define LOW_L ((char16_t)0x006C)
#define LOW_M ((char16_t)0x006D)
#define LOW_N ((char16_t)0x006E)
#define LOW_O ((char16_t)0x006F)
#define LOW_P ((char16_t)0x0070)
#define LOW_Q ((char16_t)0x0071)
#define LOW_R ((char16_t)0x0072)
#define LOW_S ((char16_t)0x0073)
#define LOW_T ((char16_t)0x0074)
#define LOW_U ((char16_t)0x0075)
#define LOW_V ((char16_t)0x0076)
#define LOW_W ((char16_t)0x0077)
#define LOW_X ((char16_t)0x0078)
#define LOW_Y ((char16_t)0x0079)
#define LOW_Z ((char16_t)0x007A)
#define DT_NARROW -0x101
#define DT_SHORTER -0x102
#define DT_SHORT -0x103
#define DT_LONG -0x104
#define DT_NUMERIC 0x100
#define DT_DELTA 0x10
U_NAMESPACE_BEGIN
const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD;
const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD);
typedef enum dtStrEnum {
DT_BASESKELETON,
DT_SKELETON,
DT_PATTERN
}dtStrEnum;
typedef struct dtTypeElem {
char16_t patternChar;
UDateTimePatternField field;
int16_t type;
int16_t minLen;
int16_t weight;
} dtTypeElem;
// A compact storage mechanism for skeleton field strings. Several dozen of these will be created
// for a typical DateTimePatternGenerator instance.
class SkeletonFields : public UMemory {
public:
SkeletonFields();
void clear();
void copyFrom(const SkeletonFields& other);
void clearField(int32_t field);
char16_t getFieldChar(int32_t field) const;
int32_t getFieldLength(int32_t field) const;
void populate(int32_t field, const UnicodeString& value);
void populate(int32_t field, char16_t repeatChar, int32_t repeatCount);
UBool isFieldEmpty(int32_t field) const;
UnicodeString& appendTo(UnicodeString& string) const;
UnicodeString& appendFieldTo(int32_t field, UnicodeString& string) const;
char16_t getFirstChar() const;
inline bool operator==(const SkeletonFields& other) const;
inline bool operator!=(const SkeletonFields& other) const;
private:
int8_t chars[UDATPG_FIELD_COUNT];
int8_t lengths[UDATPG_FIELD_COUNT];
};
inline bool SkeletonFields::operator==(const SkeletonFields& other) const {
return (uprv_memcmp(chars, other.chars, sizeof(chars)) == 0
&& uprv_memcmp(lengths, other.lengths, sizeof(lengths)) == 0);
}
inline bool SkeletonFields::operator!=(const SkeletonFields& other) const {
return (! operator==(other));
}
class PtnSkeleton : public UMemory {
public:
int32_t type[UDATPG_FIELD_COUNT];
SkeletonFields original;
SkeletonFields baseOriginal;
UBool addedDefaultDayPeriod;
PtnSkeleton();
PtnSkeleton(const PtnSkeleton& other);
void copyFrom(const PtnSkeleton& other);
void clear();
UBool equals(const PtnSkeleton& other) const;
UnicodeString getSkeleton() const;
UnicodeString getBaseSkeleton() const;
char16_t getFirstChar() const;
// TODO: Why is this virtual, as well as the other destructors in this file? We don't want
// vtables when we don't use class objects polymorphically.
virtual ~PtnSkeleton();
};
class PtnElem : public UMemory {
public:
UnicodeString basePattern;
LocalPointer<PtnSkeleton> skeleton;
UnicodeString pattern;
UBool skeletonWasSpecified; // if specified in availableFormats, not derived
LocalPointer<PtnElem> next;
PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern);
virtual ~PtnElem();
};
class FormatParser : public UMemory {
public:
UnicodeString items[MAX_DT_TOKEN];
int32_t itemNumber;
FormatParser();
virtual ~FormatParser();
void set(const UnicodeString& patternString);
void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex);
UBool isPatternSeparator(const UnicodeString& field) const;
static UBool isQuoteLiteral(const UnicodeString& s);
static int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, true); }
static int32_t getCanonicalIndex(const UnicodeString& s, UBool strict);
private:
typedef enum TokenStatus {
START,
ADD_TOKEN,
SYNTAX_ERROR,
DONE
} TokenStatus;
TokenStatus status;
virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len);
};
class DistanceInfo : public UMemory {
public:
int32_t missingFieldMask;
int32_t extraFieldMask;
DistanceInfo() {}
virtual ~DistanceInfo();
void clear() { missingFieldMask = extraFieldMask = 0; }
void setTo(const DistanceInfo& other);
void addMissing(int32_t field) { missingFieldMask |= (1<<field); }
void addExtra(int32_t field) { extraFieldMask |= (1<<field); }
};
class DateTimeMatcher: public UMemory {
public:
PtnSkeleton skeleton;
void getBasePattern(UnicodeString& basePattern);
UnicodeString getPattern();
void set(const UnicodeString& pattern, FormatParser* fp);
void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton);
void copyFrom(const PtnSkeleton& skeleton);
void copyFrom();
PtnSkeleton* getSkeletonPtr();
UBool equals(const DateTimeMatcher* other) const;
int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo) const;
DateTimeMatcher();
DateTimeMatcher(const DateTimeMatcher& other);
DateTimeMatcher& operator=(const DateTimeMatcher& other);
virtual ~DateTimeMatcher();
int32_t getFieldMask() const;
};
class PatternMap : public UMemory {
public:
PtnElem *boot[MAX_PATTERN_ENTRIES];
PatternMap();
virtual ~PatternMap();
void add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status);
const UnicodeString* getPatternFromBasePattern(const UnicodeString& basePattern, UBool& skeletonWasSpecified) const;
const UnicodeString* getPatternFromSkeleton(const PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0) const;
void copyFrom(const PatternMap& other, UErrorCode& status);
PtnElem* getHeader(char16_t baseChar) const;
UBool equals(const PatternMap& other) const;
private:
UBool isDupAllowed;
PtnElem* getDuplicateElem(const UnicodeString& basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem);
}; // end PatternMap
class PatternMapIterator : public UMemory {
public:
PatternMapIterator(UErrorCode &status);
virtual ~PatternMapIterator();
void set(PatternMap& patternMap);
PtnSkeleton* getSkeleton() const;
UBool hasNext() const;
DateTimeMatcher& next();
private:
int32_t bootIndex;
PtnElem *nodePtr;
LocalPointer<DateTimeMatcher> matcher;
PatternMap *patternMap;
};
class DTSkeletonEnumeration : public StringEnumeration {
public:
DTSkeletonEnumeration(PatternMap& patternMap, dtStrEnum type, UErrorCode& status);
virtual ~DTSkeletonEnumeration();
static UClassID U_EXPORT2 getStaticClassID();
virtual UClassID getDynamicClassID() const override;
virtual const UnicodeString* snext(UErrorCode& status) override;
virtual void reset(UErrorCode& status) override;
virtual int32_t count(UErrorCode& status) const override;
private:
int32_t pos;
UBool isCanonicalItem(const UnicodeString& item);
LocalPointer<UVector> fSkeletons;
};
class DTRedundantEnumeration : public StringEnumeration {
public:
DTRedundantEnumeration();
virtual ~DTRedundantEnumeration();
static UClassID U_EXPORT2 getStaticClassID();
virtual UClassID getDynamicClassID() const override;
virtual const UnicodeString* snext(UErrorCode& status) override;
virtual void reset(UErrorCode& status) override;
virtual int32_t count(UErrorCode& status) const override;
void add(const UnicodeString &pattern, UErrorCode& status);
private:
int32_t pos;
UBool isCanonicalItem(const UnicodeString& item) const;
LocalPointer<UVector> fPatterns;
};
#if APPLE_ICU_CHANGES
// rdar:/
extern UBool datePatternHasNumericCore(const UnicodeString& datePattern);
#endif // APPLE_ICU_CHANGES
U_NAMESPACE_END
#endif
|
