1 /* 2 ******************************************************************************* 3 * Copyright (C) 2007-2012, 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_U ((UChar)0x0055) 55 #define CAP_V ((UChar)0x0056) 56 #define CAP_W ((UChar)0x0057) 57 #define CAP_Y ((UChar)0x0059) 58 #define CAP_Z ((UChar)0x005A) 59 #define LOWLINE ((UChar)0x005F) 60 #define LOW_A ((UChar)0x0061) 61 #define LOW_C ((UChar)0x0063) 62 #define LOW_D ((UChar)0x0064) 63 #define LOW_E ((UChar)0x0065) 64 #define LOW_F ((UChar)0x0066) 65 #define LOW_G ((UChar)0x0067) 66 #define LOW_H ((UChar)0x0068) 67 #define LOW_I ((UChar)0x0069) 68 #define LOW_J ((UChar)0x006A) 69 #define LOW_K ((UChar)0x006B) 70 #define LOW_L ((UChar)0x006C) 71 #define LOW_M ((UChar)0x006D) 72 #define LOW_N ((UChar)0x006E) 73 #define LOW_O ((UChar)0x006F) 74 #define LOW_P ((UChar)0x0070) 75 #define LOW_Q ((UChar)0x0071) 76 #define LOW_R ((UChar)0x0072) 77 #define LOW_S ((UChar)0x0073) 78 #define LOW_T ((UChar)0x0074) 79 #define LOW_U ((UChar)0x0075) 80 #define LOW_V ((UChar)0x0076) 81 #define LOW_W ((UChar)0x0077) 82 #define LOW_Y ((UChar)0x0079) 83 #define LOW_Z ((UChar)0x007A) 84 #define DT_SHORT -0x102 85 #define DT_LONG -0x103 86 #define DT_NUMERIC 0x100 87 #define DT_NARROW -0x101 88 #define DT_DELTA 0x10 89 90 U_NAMESPACE_BEGIN 91 92 const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD; 93 const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD); 94 95 typedef enum dtStrEnum { 96 DT_BASESKELETON, 97 DT_SKELETON, 98 DT_PATTERN 99 }dtStrEnum; 100 101 typedef struct dtTypeElem { 102 UChar patternChar; 103 UDateTimePatternField field; 104 int16_t type; 105 int16_t minLen; 106 int16_t weight; 107 }dtTypeElem; 108 109 class PtnSkeleton : public UMemory { 110 public: 111 int32_t type[UDATPG_FIELD_COUNT]; 112 UnicodeString original[UDATPG_FIELD_COUNT]; 113 UnicodeString baseOriginal[UDATPG_FIELD_COUNT]; 114 115 PtnSkeleton(); 116 PtnSkeleton(const PtnSkeleton& other); 117 UBool equals(const PtnSkeleton& other); 118 UnicodeString getSkeleton(); 119 UnicodeString getBaseSkeleton(); 120 virtual ~PtnSkeleton(); 121 }; 122 123 124 class PtnElem : public UMemory { 125 public: 126 UnicodeString basePattern; 127 PtnSkeleton *skeleton; 128 UnicodeString pattern; 129 UBool skeletonWasSpecified; // if specified in availableFormats, not derived 130 PtnElem *next; 131 132 PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern); 133 virtual ~PtnElem(); 134 135 }; 136 137 class FormatParser : public UMemory { 138 public: 139 UnicodeString items[MAX_DT_TOKEN]; 140 int32_t itemNumber; 141 142 FormatParser(); 143 virtual ~FormatParser(); 144 void set(const UnicodeString& patternString); 145 UBool isQuoteLiteral(const UnicodeString& s) const; 146 void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex); getCanonicalIndex(const UnicodeString & s)147 int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); } 148 int32_t getCanonicalIndex(const UnicodeString& s, UBool strict); 149 UBool isPatternSeparator(UnicodeString& field); 150 void setFilter(UErrorCode &status); 151 152 private: 153 typedef enum TokenStatus { 154 START, 155 ADD_TOKEN, 156 SYNTAX_ERROR, 157 DONE 158 } ToeknStatus; 159 160 TokenStatus status; 161 virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len); 162 }; 163 164 class DistanceInfo : public UMemory { 165 public: 166 int32_t missingFieldMask; 167 int32_t extraFieldMask; 168 DistanceInfo()169 DistanceInfo() {} 170 virtual ~DistanceInfo(); clear()171 void clear() { missingFieldMask = extraFieldMask = 0; } 172 void setTo(DistanceInfo& other); addMissing(int32_t field)173 void addMissing(int32_t field) { missingFieldMask |= (1<<field); } addExtra(int32_t field)174 void addExtra(int32_t field) { extraFieldMask |= (1<<field); } 175 }; 176 177 class DateTimeMatcher: public UMemory { 178 public: 179 PtnSkeleton skeleton; 180 181 void getBasePattern(UnicodeString &basePattern); 182 UnicodeString getPattern(); 183 void set(const UnicodeString& pattern, FormatParser* fp); 184 void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton); 185 void copyFrom(const PtnSkeleton& skeleton); 186 void copyFrom(); 187 PtnSkeleton* getSkeletonPtr(); 188 UBool equals(const DateTimeMatcher* other) const; 189 int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo); 190 DateTimeMatcher(); 191 DateTimeMatcher(const DateTimeMatcher& other); 192 virtual ~DateTimeMatcher(); 193 int32_t getFieldMask(); 194 }; 195 196 class PatternMap : public UMemory { 197 public: 198 PtnElem *boot[MAX_PATTERN_ENTRIES]; 199 PatternMap(); 200 virtual ~PatternMap(); 201 void add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status); 202 const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern, UBool& skeletonWasSpecified); 203 const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0); 204 void copyFrom(const PatternMap& other, UErrorCode& status); 205 PtnElem* getHeader(UChar baseChar); 206 UBool equals(const PatternMap& other); 207 private: 208 UBool isDupAllowed; 209 PtnElem* getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem); 210 }; // end PatternMap 211 212 class PatternMapIterator : public UMemory { 213 public: 214 PatternMapIterator(); 215 virtual ~PatternMapIterator(); 216 void set(PatternMap& patternMap); 217 PtnSkeleton* getSkeleton(); 218 UBool hasNext(); 219 DateTimeMatcher& next(); 220 private: 221 int32_t bootIndex; 222 PtnElem *nodePtr; 223 DateTimeMatcher *matcher; 224 PatternMap *patternMap; 225 }; 226 227 class DTSkeletonEnumeration : public StringEnumeration { 228 public: 229 DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status); 230 virtual ~DTSkeletonEnumeration(); 231 static UClassID U_EXPORT2 getStaticClassID(void); 232 virtual UClassID getDynamicClassID(void) const; 233 virtual const UnicodeString* snext(UErrorCode& status); 234 virtual void reset(UErrorCode& status); 235 virtual int32_t count(UErrorCode& status) const; 236 private: 237 int32_t pos; 238 UBool isCanonicalItem(const UnicodeString& item); 239 UVector *fSkeletons; 240 }; 241 242 class DTRedundantEnumeration : public StringEnumeration { 243 public: 244 DTRedundantEnumeration(); 245 virtual ~DTRedundantEnumeration(); 246 static UClassID U_EXPORT2 getStaticClassID(void); 247 virtual UClassID getDynamicClassID(void) const; 248 virtual const UnicodeString* snext(UErrorCode& status); 249 virtual void reset(UErrorCode& status); 250 virtual int32_t count(UErrorCode& status) const; 251 void add(const UnicodeString &pattern, UErrorCode& status); 252 private: 253 int32_t pos; 254 UBool isCanonicalItem(const UnicodeString& item); 255 UVector *fPatterns; 256 }; 257 258 U_NAMESPACE_END 259 260 #endif 261