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comparison: intl/icu/source/i18n/dtptngen_impl.h

intl/icu/source/i18n/dtptngen_impl.h

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-1:000000000000 0:b7e52deefe50
1 /*
2 *******************************************************************************
3 * Copyright (C) 2007-2013, International Business Machines Corporation and
4 * others. All Rights Reserved. *
5 *******************************************************************************
6 *
7 * File DTPTNGEN.H
8 *
9 *******************************************************************************
10 */
11
12 #include "uvector.h"
13
14 #ifndef __DTPTNGEN_IMPL_H__
15 #define __DTPTNGEN_IMPL_H__
16
17 // TODO(claireho): Split off Builder class.
18 // TODO(claireho): If splitting off Builder class: As subclass or independent?
19
20 #define MAX_PATTERN_ENTRIES 52
21 #define MAX_CLDR_FIELD_LEN 60
22 #define MAX_DT_TOKEN 50
23 #define MAX_RESOURCE_FIELD 12
24 #define MAX_AVAILABLE_FORMATS 12
25 #define NONE 0
26 #define EXTRA_FIELD 0x10000
27 #define MISSING_FIELD 0x1000
28 #define MAX_STRING_ENUMERATION 200
29 #define SINGLE_QUOTE ((UChar)0x0027)
30 #define FORWARDSLASH ((UChar)0x002F)
31 #define BACKSLASH ((UChar)0x005C)
32 #define SPACE ((UChar)0x0020)
33 #define QUOTATION_MARK ((UChar)0x0022)
34 #define ASTERISK ((UChar)0x002A)
35 #define PLUSSITN ((UChar)0x002B)
36 #define COMMA ((UChar)0x002C)
37 #define HYPHEN ((UChar)0x002D)
38 #define DOT ((UChar)0x002E)
39 #define COLON ((UChar)0x003A)
40 #define CAP_A ((UChar)0x0041)
41 #define CAP_C ((UChar)0x0043)
42 #define CAP_D ((UChar)0x0044)
43 #define CAP_E ((UChar)0x0045)
44 #define CAP_F ((UChar)0x0046)
45 #define CAP_G ((UChar)0x0047)
46 #define CAP_H ((UChar)0x0048)
47 #define CAP_J ((UChar)0x004A)
48 #define CAP_K ((UChar)0x004B)
49 #define CAP_L ((UChar)0x004C)
50 #define CAP_M ((UChar)0x004D)
51 #define CAP_O ((UChar)0x004F)
52 #define CAP_Q ((UChar)0x0051)
53 #define CAP_S ((UChar)0x0053)
54 #define CAP_T ((UChar)0x0054)
55 #define CAP_U ((UChar)0x0055)
56 #define CAP_V ((UChar)0x0056)
57 #define CAP_W ((UChar)0x0057)
58 #define CAP_X ((UChar)0x0058)
59 #define CAP_Y ((UChar)0x0059)
60 #define CAP_Z ((UChar)0x005A)
61 #define LOWLINE ((UChar)0x005F)
62 #define LOW_A ((UChar)0x0061)
63 #define LOW_C ((UChar)0x0063)
64 #define LOW_D ((UChar)0x0064)
65 #define LOW_E ((UChar)0x0065)
66 #define LOW_F ((UChar)0x0066)
67 #define LOW_G ((UChar)0x0067)
68 #define LOW_H ((UChar)0x0068)
69 #define LOW_I ((UChar)0x0069)
70 #define LOW_J ((UChar)0x006A)
71 #define LOW_K ((UChar)0x006B)
72 #define LOW_L ((UChar)0x006C)
73 #define LOW_M ((UChar)0x006D)
74 #define LOW_N ((UChar)0x006E)
75 #define LOW_O ((UChar)0x006F)
76 #define LOW_P ((UChar)0x0070)
77 #define LOW_Q ((UChar)0x0071)
78 #define LOW_R ((UChar)0x0072)
79 #define LOW_S ((UChar)0x0073)
80 #define LOW_T ((UChar)0x0074)
81 #define LOW_U ((UChar)0x0075)
82 #define LOW_V ((UChar)0x0076)
83 #define LOW_W ((UChar)0x0077)
84 #define LOW_X ((UChar)0x0078)
85 #define LOW_Y ((UChar)0x0079)
86 #define LOW_Z ((UChar)0x007A)
87 #define DT_SHORT -0x102
88 #define DT_LONG -0x103
89 #define DT_NUMERIC 0x100
90 #define DT_NARROW -0x101
91 #define DT_DELTA 0x10
92
93 U_NAMESPACE_BEGIN
94
95 const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD;
96 const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD);
97
98 typedef enum dtStrEnum {
99 DT_BASESKELETON,
100 DT_SKELETON,
101 DT_PATTERN
102 }dtStrEnum;
103
104 typedef struct dtTypeElem {
105 UChar patternChar;
106 UDateTimePatternField field;
107 int16_t type;
108 int16_t minLen;
109 int16_t weight;
110 }dtTypeElem;
111
112 class PtnSkeleton : public UMemory {
113 public:
114 int32_t type[UDATPG_FIELD_COUNT];
115 UnicodeString original[UDATPG_FIELD_COUNT];
116 UnicodeString baseOriginal[UDATPG_FIELD_COUNT];
117
118 PtnSkeleton();
119 PtnSkeleton(const PtnSkeleton& other);
120 UBool equals(const PtnSkeleton& other);
121 UnicodeString getSkeleton();
122 UnicodeString getBaseSkeleton();
123 virtual ~PtnSkeleton();
124 };
125
126
127 class PtnElem : public UMemory {
128 public:
129 UnicodeString basePattern;
130 PtnSkeleton *skeleton;
131 UnicodeString pattern;
132 UBool skeletonWasSpecified; // if specified in availableFormats, not derived
133 PtnElem *next;
134
135 PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern);
136 virtual ~PtnElem();
137
138 };
139
140 class FormatParser : public UMemory {
141 public:
142 UnicodeString items[MAX_DT_TOKEN];
143 int32_t itemNumber;
144
145 FormatParser();
146 virtual ~FormatParser();
147 void set(const UnicodeString& patternString);
148 UBool isQuoteLiteral(const UnicodeString& s) const;
149 void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex);
150 int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); }
151 int32_t getCanonicalIndex(const UnicodeString& s, UBool strict);
152 UBool isPatternSeparator(UnicodeString& field);
153 void setFilter(UErrorCode &status);
154
155 private:
156 typedef enum TokenStatus {
157 START,
158 ADD_TOKEN,
159 SYNTAX_ERROR,
160 DONE
161 } ToeknStatus;
162
163 TokenStatus status;
164 virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len);
165 };
166
167 class DistanceInfo : public UMemory {
168 public:
169 int32_t missingFieldMask;
170 int32_t extraFieldMask;
171
172 DistanceInfo() {}
173 virtual ~DistanceInfo();
174 void clear() { missingFieldMask = extraFieldMask = 0; }
175 void setTo(DistanceInfo& other);
176 void addMissing(int32_t field) { missingFieldMask |= (1<<field); }
177 void addExtra(int32_t field) { extraFieldMask |= (1<<field); }
178 };
179
180 class DateTimeMatcher: public UMemory {
181 public:
182 PtnSkeleton skeleton;
183
184 void getBasePattern(UnicodeString &basePattern);
185 UnicodeString getPattern();
186 void set(const UnicodeString& pattern, FormatParser* fp);
187 void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton);
188 void copyFrom(const PtnSkeleton& skeleton);
189 void copyFrom();
190 PtnSkeleton* getSkeletonPtr();
191 UBool equals(const DateTimeMatcher* other) const;
192 int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo);
193 DateTimeMatcher();
194 DateTimeMatcher(const DateTimeMatcher& other);
195 virtual ~DateTimeMatcher();
196 int32_t getFieldMask();
197 };
198
199 class PatternMap : public UMemory {
200 public:
201 PtnElem *boot[MAX_PATTERN_ENTRIES];
202 PatternMap();
203 virtual ~PatternMap();
204 void add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status);
205 const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern, UBool& skeletonWasSpecified);
206 const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0);
207 void copyFrom(const PatternMap& other, UErrorCode& status);
208 PtnElem* getHeader(UChar baseChar);
209 UBool equals(const PatternMap& other);
210 private:
211 UBool isDupAllowed;
212 PtnElem* getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem);
213 }; // end PatternMap
214
215 class PatternMapIterator : public UMemory {
216 public:
217 PatternMapIterator();
218 virtual ~PatternMapIterator();
219 void set(PatternMap& patternMap);
220 PtnSkeleton* getSkeleton();
221 UBool hasNext();
222 DateTimeMatcher& next();
223 private:
224 int32_t bootIndex;
225 PtnElem *nodePtr;
226 DateTimeMatcher *matcher;
227 PatternMap *patternMap;
228 };
229
230 class DTSkeletonEnumeration : public StringEnumeration {
231 public:
232 DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status);
233 virtual ~DTSkeletonEnumeration();
234 static UClassID U_EXPORT2 getStaticClassID(void);
235 virtual UClassID getDynamicClassID(void) const;
236 virtual const UnicodeString* snext(UErrorCode& status);
237 virtual void reset(UErrorCode& status);
238 virtual int32_t count(UErrorCode& status) const;
239 private:
240 int32_t pos;
241 UBool isCanonicalItem(const UnicodeString& item);
242 UVector *fSkeletons;
243 };
244
245 class DTRedundantEnumeration : public StringEnumeration {
246 public:
247 DTRedundantEnumeration();
248 virtual ~DTRedundantEnumeration();
249 static UClassID U_EXPORT2 getStaticClassID(void);
250 virtual UClassID getDynamicClassID(void) const;
251 virtual const UnicodeString* snext(UErrorCode& status);
252 virtual void reset(UErrorCode& status);
253 virtual int32_t count(UErrorCode& status) const;
254 void add(const UnicodeString &pattern, UErrorCode& status);
255 private:
256 int32_t pos;
257 UBool isCanonicalItem(const UnicodeString& item);
258 UVector *fPatterns;
259 };
260
261 U_NAMESPACE_END
262
263 #endif

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