1 /* 2 ******************************************************************************* 3 * Copyright (C) 2007-2011, 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_K ((UChar)0x004B) 48 #define CAP_L ((UChar)0x004C) 49 #define CAP_M ((UChar)0x004D) 50 #define CAP_O ((UChar)0x004F) 51 #define CAP_Q ((UChar)0x0051) 52 #define CAP_S ((UChar)0x0053) 53 #define CAP_T ((UChar)0x0054) 54 #define CAP_V ((UChar)0x0056) 55 #define CAP_W ((UChar)0x0057) 56 #define CAP_Y ((UChar)0x0059) 57 #define CAP_Z ((UChar)0x005A) 58 #define LOWLINE ((UChar)0x005F) 59 #define LOW_A ((UChar)0x0061) 60 #define LOW_C ((UChar)0x0063) 61 #define LOW_D ((UChar)0x0064) 62 #define LOW_E ((UChar)0x0065) 63 #define LOW_F ((UChar)0x0066) 64 #define LOW_G ((UChar)0x0067) 65 #define LOW_H ((UChar)0x0068) 66 #define LOW_I ((UChar)0x0069) 67 #define LOW_J ((UChar)0x006A) 68 #define LOW_K ((UChar)0x006B) 69 #define LOW_L ((UChar)0x006C) 70 #define LOW_M ((UChar)0x006D) 71 #define LOW_N ((UChar)0x006E) 72 #define LOW_O ((UChar)0x006F) 73 #define LOW_P ((UChar)0x0070) 74 #define LOW_Q ((UChar)0x0071) 75 #define LOW_R ((UChar)0x0072) 76 #define LOW_S ((UChar)0x0073) 77 #define LOW_T ((UChar)0x0074) 78 #define LOW_U ((UChar)0x0075) 79 #define LOW_V ((UChar)0x0076) 80 #define LOW_W ((UChar)0x0077) 81 #define LOW_Y ((UChar)0x0079) 82 #define LOW_Z ((UChar)0x007A) 83 #define DT_SHORT -0x102 84 #define DT_LONG -0x103 85 #define DT_NUMERIC 0x100 86 #define DT_NARROW -0x101 87 #define DT_DELTA 0x10 88 89 U_NAMESPACE_BEGIN 90 91 const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD; 92 const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD); 93 94 typedef enum dtStrEnum { 95 DT_BASESKELETON, 96 DT_SKELETON, 97 DT_PATTERN 98 }dtStrEnum; 99 100 typedef struct dtTypeElem { 101 UChar patternChar; 102 UDateTimePatternField field; 103 int16_t type; 104 int16_t minLen; 105 int16_t weight; 106 }dtTypeElem; 107 108 class PtnSkeleton : public UMemory { 109 public: 110 int32_t type[UDATPG_FIELD_COUNT]; 111 UnicodeString original[UDATPG_FIELD_COUNT]; 112 UnicodeString baseOriginal[UDATPG_FIELD_COUNT]; 113 114 PtnSkeleton(); 115 PtnSkeleton(const PtnSkeleton& other); 116 UBool equals(const PtnSkeleton& other); 117 UnicodeString getSkeleton(); 118 UnicodeString getBaseSkeleton(); 119 virtual ~PtnSkeleton(); 120 }; 121 122 123 class PtnElem : public UMemory { 124 public: 125 UnicodeString basePattern; 126 PtnSkeleton *skeleton; 127 UnicodeString pattern; 128 UBool skeletonWasSpecified; // if specified in availableFormats, not derived 129 PtnElem *next; 130 131 PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern); 132 virtual ~PtnElem(); 133 134 }; 135 136 class FormatParser : public UMemory { 137 public: 138 UnicodeString items[MAX_DT_TOKEN]; 139 int32_t itemNumber; 140 141 FormatParser(); 142 virtual ~FormatParser(); 143 void set(const UnicodeString& patternString); 144 UBool isQuoteLiteral(const UnicodeString& s) const; 145 void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex); getCanonicalIndex(const UnicodeString & s)146 int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); } 147 int32_t getCanonicalIndex(const UnicodeString& s, UBool strict); 148 UBool isPatternSeparator(UnicodeString& field); 149 void setFilter(UErrorCode &status); 150 151 private: 152 typedef enum TokenStatus { 153 START, 154 ADD_TOKEN, 155 SYNTAX_ERROR, 156 DONE 157 } ToeknStatus; 158 159 TokenStatus status; 160 virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len); 161 }; 162 163 class DistanceInfo : public UMemory { 164 public: 165 int32_t missingFieldMask; 166 int32_t extraFieldMask; 167 DistanceInfo()168 DistanceInfo() {} ~DistanceInfo()169 virtual ~DistanceInfo() {} clear()170 void clear() { missingFieldMask = extraFieldMask = 0; } 171 void setTo(DistanceInfo& other); addMissing(int32_t field)172 void addMissing(int32_t field) { missingFieldMask |= (1<<field); } addExtra(int32_t field)173 void addExtra(int32_t field) { extraFieldMask |= (1<<field); } 174 }; 175 176 class DateTimeMatcher: public UMemory { 177 public: 178 PtnSkeleton skeleton; 179 180 void getBasePattern(UnicodeString &basePattern); 181 UnicodeString getPattern(); 182 void set(const UnicodeString& pattern, FormatParser* fp); 183 void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton); 184 void copyFrom(const PtnSkeleton& skeleton); 185 void copyFrom(); 186 PtnSkeleton* getSkeletonPtr(); 187 UBool equals(const DateTimeMatcher* other) const; 188 int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo); 189 DateTimeMatcher(); 190 DateTimeMatcher(const DateTimeMatcher& other); ~DateTimeMatcher()191 virtual ~DateTimeMatcher() {} 192 int32_t getFieldMask(); 193 }; 194 195 class PatternMap : public UMemory { 196 public: 197 PtnElem *boot[MAX_PATTERN_ENTRIES]; 198 PatternMap(); 199 virtual ~PatternMap(); 200 void add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status); 201 const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern, UBool& skeletonWasSpecified); 202 const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0); 203 void copyFrom(const PatternMap& other, UErrorCode& status); 204 PtnElem* getHeader(UChar baseChar); 205 UBool equals(const PatternMap& other); 206 private: 207 UBool isDupAllowed; 208 PtnElem* getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem); 209 }; // end PatternMap 210 211 class PatternMapIterator : public UMemory { 212 public: 213 PatternMapIterator(); 214 virtual ~PatternMapIterator(); 215 void set(PatternMap& patternMap); 216 PtnSkeleton* getSkeleton(); 217 UBool hasNext(); 218 DateTimeMatcher& next(); 219 private: 220 int32_t bootIndex; 221 PtnElem *nodePtr; 222 DateTimeMatcher *matcher; 223 PatternMap *patternMap; 224 }; 225 226 class DTSkeletonEnumeration : public StringEnumeration { 227 public: 228 DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status); 229 virtual ~DTSkeletonEnumeration(); 230 static UClassID U_EXPORT2 getStaticClassID(void); 231 virtual UClassID getDynamicClassID(void) const; 232 virtual const UnicodeString* snext(UErrorCode& status); 233 virtual void reset(UErrorCode& status); 234 virtual int32_t count(UErrorCode& status) const; 235 private: 236 int32_t pos; 237 UBool isCanonicalItem(const UnicodeString& item); 238 UVector *fSkeletons; 239 }; 240 241 class DTRedundantEnumeration : public StringEnumeration { 242 public: 243 DTRedundantEnumeration(); 244 virtual ~DTRedundantEnumeration(); 245 static UClassID U_EXPORT2 getStaticClassID(void); 246 virtual UClassID getDynamicClassID(void) const; 247 virtual const UnicodeString* snext(UErrorCode& status); 248 virtual void reset(UErrorCode& status); 249 virtual int32_t count(UErrorCode& status) const; 250 void add(const UnicodeString &pattern, UErrorCode& status); 251 private: 252 int32_t pos; 253 UBool isCanonicalItem(const UnicodeString& item); 254 UVector *fPatterns; 255 }; 256 257 U_NAMESPACE_END 258 259 #endif 260