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 89U_NAMESPACE_BEGIN 90 91const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD; 92const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD); 93 94typedef enum dtStrEnum { 95 DT_BASESKELETON, 96 DT_SKELETON, 97 DT_PATTERN 98}dtStrEnum; 99 100typedef struct dtTypeElem { 101 UChar patternChar; 102 UDateTimePatternField field; 103 int16_t type; 104 int16_t minLen; 105 int16_t weight; 106}dtTypeElem; 107 108class PtnSkeleton : public UMemory { 109public: 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 123class PtnElem : public UMemory { 124public: 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 136class FormatParser : public UMemory { 137public: 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); 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 151private: 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 163class DistanceInfo : public UMemory { 164public: 165 int32_t missingFieldMask; 166 int32_t extraFieldMask; 167 168 DistanceInfo() {} 169 virtual ~DistanceInfo() {} 170 void clear() { missingFieldMask = extraFieldMask = 0; } 171 void setTo(DistanceInfo& other); 172 void addMissing(int32_t field) { missingFieldMask |= (1<<field); } 173 void addExtra(int32_t field) { extraFieldMask |= (1<<field); } 174}; 175 176class DateTimeMatcher: public UMemory { 177public: 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); 191 virtual ~DateTimeMatcher() {} 192 int32_t getFieldMask(); 193}; 194 195class PatternMap : public UMemory { 196public: 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); 206private: 207 UBool isDupAllowed; 208 PtnElem* getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem); 209}; // end PatternMap 210 211class PatternMapIterator : public UMemory { 212public: 213 PatternMapIterator(); 214 virtual ~PatternMapIterator(); 215 void set(PatternMap& patternMap); 216 PtnSkeleton* getSkeleton(); 217 UBool hasNext(); 218 DateTimeMatcher& next(); 219private: 220 int32_t bootIndex; 221 PtnElem *nodePtr; 222 DateTimeMatcher *matcher; 223 PatternMap *patternMap; 224}; 225 226class DTSkeletonEnumeration : public StringEnumeration { 227public: 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; 235private: 236 int32_t pos; 237 UBool isCanonicalItem(const UnicodeString& item); 238 UVector *fSkeletons; 239}; 240 241class DTRedundantEnumeration : public StringEnumeration { 242public: 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); 251private: 252 int32_t pos; 253 UBool isCanonicalItem(const UnicodeString& item); 254 UVector *fPatterns; 255}; 256 257U_NAMESPACE_END 258 259#endif 260