michael@0: /*
michael@0: *******************************************************************************
michael@0: * Copyright (C) 2007-2013, International Business Machines Corporation and
michael@0: * others. All Rights Reserved.                                                *
michael@0: *******************************************************************************
michael@0: *
michael@0: * File DTPTNGEN.H
michael@0: *
michael@0: *******************************************************************************
michael@0: */
michael@0: 
michael@0: #include "uvector.h"
michael@0: 
michael@0: #ifndef __DTPTNGEN_IMPL_H__
michael@0: #define __DTPTNGEN_IMPL_H__
michael@0: 
michael@0: // TODO(claireho): Split off Builder class.
michael@0: // TODO(claireho): If splitting off Builder class: As subclass or independent?
michael@0: 
michael@0: #define MAX_PATTERN_ENTRIES 52
michael@0: #define MAX_CLDR_FIELD_LEN  60
michael@0: #define MAX_DT_TOKEN        50
michael@0: #define MAX_RESOURCE_FIELD  12
michael@0: #define MAX_AVAILABLE_FORMATS  12
michael@0: #define NONE          0
michael@0: #define EXTRA_FIELD   0x10000
michael@0: #define MISSING_FIELD  0x1000
michael@0: #define MAX_STRING_ENUMERATION  200
michael@0: #define SINGLE_QUOTE      ((UChar)0x0027)
michael@0: #define FORWARDSLASH      ((UChar)0x002F)
michael@0: #define BACKSLASH         ((UChar)0x005C)
michael@0: #define SPACE             ((UChar)0x0020)
michael@0: #define QUOTATION_MARK    ((UChar)0x0022)
michael@0: #define ASTERISK          ((UChar)0x002A)
michael@0: #define PLUSSITN          ((UChar)0x002B)
michael@0: #define COMMA             ((UChar)0x002C)
michael@0: #define HYPHEN            ((UChar)0x002D)
michael@0: #define DOT               ((UChar)0x002E)
michael@0: #define COLON             ((UChar)0x003A)
michael@0: #define CAP_A             ((UChar)0x0041)
michael@0: #define CAP_C             ((UChar)0x0043)
michael@0: #define CAP_D             ((UChar)0x0044)
michael@0: #define CAP_E             ((UChar)0x0045)
michael@0: #define CAP_F             ((UChar)0x0046)
michael@0: #define CAP_G             ((UChar)0x0047)
michael@0: #define CAP_H             ((UChar)0x0048)
michael@0: #define CAP_J             ((UChar)0x004A)
michael@0: #define CAP_K             ((UChar)0x004B)
michael@0: #define CAP_L             ((UChar)0x004C)
michael@0: #define CAP_M             ((UChar)0x004D)
michael@0: #define CAP_O             ((UChar)0x004F)
michael@0: #define CAP_Q             ((UChar)0x0051)
michael@0: #define CAP_S             ((UChar)0x0053)
michael@0: #define CAP_T             ((UChar)0x0054)
michael@0: #define CAP_U             ((UChar)0x0055)
michael@0: #define CAP_V             ((UChar)0x0056)
michael@0: #define CAP_W             ((UChar)0x0057)
michael@0: #define CAP_X             ((UChar)0x0058)
michael@0: #define CAP_Y             ((UChar)0x0059)
michael@0: #define CAP_Z             ((UChar)0x005A)
michael@0: #define LOWLINE           ((UChar)0x005F)
michael@0: #define LOW_A             ((UChar)0x0061)
michael@0: #define LOW_C             ((UChar)0x0063)
michael@0: #define LOW_D             ((UChar)0x0064)
michael@0: #define LOW_E             ((UChar)0x0065)
michael@0: #define LOW_F             ((UChar)0x0066)
michael@0: #define LOW_G             ((UChar)0x0067)
michael@0: #define LOW_H             ((UChar)0x0068)
michael@0: #define LOW_I             ((UChar)0x0069)
michael@0: #define LOW_J             ((UChar)0x006A)
michael@0: #define LOW_K             ((UChar)0x006B)
michael@0: #define LOW_L             ((UChar)0x006C)
michael@0: #define LOW_M             ((UChar)0x006D)
michael@0: #define LOW_N             ((UChar)0x006E)
michael@0: #define LOW_O             ((UChar)0x006F)
michael@0: #define LOW_P             ((UChar)0x0070)
michael@0: #define LOW_Q             ((UChar)0x0071)
michael@0: #define LOW_R             ((UChar)0x0072)
michael@0: #define LOW_S             ((UChar)0x0073)
michael@0: #define LOW_T             ((UChar)0x0074)
michael@0: #define LOW_U             ((UChar)0x0075)
michael@0: #define LOW_V             ((UChar)0x0076)
michael@0: #define LOW_W             ((UChar)0x0077)
michael@0: #define LOW_X             ((UChar)0x0078)
michael@0: #define LOW_Y             ((UChar)0x0079)
michael@0: #define LOW_Z             ((UChar)0x007A)
michael@0: #define DT_SHORT          -0x102
michael@0: #define DT_LONG           -0x103
michael@0: #define DT_NUMERIC         0x100
michael@0: #define DT_NARROW         -0x101
michael@0: #define DT_DELTA           0x10
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD;
michael@0: const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD);
michael@0: 
michael@0: typedef enum dtStrEnum {
michael@0:     DT_BASESKELETON,
michael@0:     DT_SKELETON,
michael@0:     DT_PATTERN
michael@0: }dtStrEnum;
michael@0: 
michael@0: typedef struct dtTypeElem {
michael@0:     UChar                  patternChar;
michael@0:     UDateTimePatternField  field;
michael@0:     int16_t                type;
michael@0:     int16_t                minLen;
michael@0:     int16_t                weight;
michael@0: }dtTypeElem;
michael@0: 
michael@0: class PtnSkeleton : public UMemory {
michael@0: public:
michael@0:     int32_t type[UDATPG_FIELD_COUNT];
michael@0:     UnicodeString original[UDATPG_FIELD_COUNT];
michael@0:     UnicodeString baseOriginal[UDATPG_FIELD_COUNT];
michael@0: 
michael@0:     PtnSkeleton();
michael@0:     PtnSkeleton(const PtnSkeleton& other);
michael@0:     UBool equals(const PtnSkeleton& other);
michael@0:     UnicodeString getSkeleton();
michael@0:     UnicodeString getBaseSkeleton();
michael@0:     virtual ~PtnSkeleton();
michael@0: };
michael@0: 
michael@0: 
michael@0: class PtnElem : public UMemory {
michael@0: public:
michael@0:     UnicodeString basePattern;
michael@0:     PtnSkeleton   *skeleton;
michael@0:     UnicodeString pattern;
michael@0:     UBool         skeletonWasSpecified; // if specified in availableFormats, not derived
michael@0:     PtnElem       *next;
michael@0: 
michael@0:     PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern);
michael@0:     virtual ~PtnElem();
michael@0: 
michael@0: };
michael@0: 
michael@0: class FormatParser : public UMemory {
michael@0: public:
michael@0:     UnicodeString items[MAX_DT_TOKEN];
michael@0:     int32_t  itemNumber;
michael@0: 
michael@0:     FormatParser();
michael@0:     virtual ~FormatParser();
michael@0:     void set(const UnicodeString& patternString);
michael@0:     UBool isQuoteLiteral(const UnicodeString& s) const;
michael@0:     void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex);
michael@0:     int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); }
michael@0:     int32_t getCanonicalIndex(const UnicodeString& s, UBool strict);
michael@0:     UBool isPatternSeparator(UnicodeString& field);
michael@0:     void setFilter(UErrorCode &status);
michael@0: 
michael@0: private:
michael@0:    typedef enum TokenStatus {
michael@0:        START,
michael@0:        ADD_TOKEN,
michael@0:        SYNTAX_ERROR,
michael@0:        DONE
michael@0:    } ToeknStatus;
michael@0: 
michael@0:    TokenStatus status;
michael@0:    virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len);
michael@0: };
michael@0: 
michael@0: class DistanceInfo : public UMemory {
michael@0: public:
michael@0:     int32_t missingFieldMask;
michael@0:     int32_t extraFieldMask;
michael@0: 
michael@0:     DistanceInfo() {}
michael@0:     virtual ~DistanceInfo();
michael@0:     void clear() { missingFieldMask = extraFieldMask = 0; }
michael@0:     void setTo(DistanceInfo& other);
michael@0:     void addMissing(int32_t field) { missingFieldMask |= (1<<field); }
michael@0:     void addExtra(int32_t field) { extraFieldMask |= (1<<field); }
michael@0: };
michael@0: 
michael@0: class DateTimeMatcher: public UMemory {
michael@0: public:
michael@0:     PtnSkeleton skeleton;
michael@0: 
michael@0:     void getBasePattern(UnicodeString &basePattern);
michael@0:     UnicodeString getPattern();
michael@0:     void set(const UnicodeString& pattern, FormatParser* fp);
michael@0:     void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton);
michael@0:     void copyFrom(const PtnSkeleton& skeleton);
michael@0:     void copyFrom();
michael@0:     PtnSkeleton* getSkeletonPtr();
michael@0:     UBool equals(const DateTimeMatcher* other) const;
michael@0:     int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo);
michael@0:     DateTimeMatcher();
michael@0:     DateTimeMatcher(const DateTimeMatcher& other);
michael@0:     virtual ~DateTimeMatcher();
michael@0:     int32_t getFieldMask();
michael@0: };
michael@0: 
michael@0: class PatternMap : public UMemory {
michael@0: public:
michael@0:     PtnElem *boot[MAX_PATTERN_ENTRIES];
michael@0:     PatternMap();
michael@0:     virtual  ~PatternMap();
michael@0:     void  add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status);
michael@0:     const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern, UBool& skeletonWasSpecified);
michael@0:     const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0);
michael@0:     void copyFrom(const PatternMap& other, UErrorCode& status);
michael@0:     PtnElem* getHeader(UChar baseChar);
michael@0:     UBool equals(const PatternMap& other);
michael@0: private:
michael@0:     UBool isDupAllowed;
michael@0:     PtnElem*  getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem);
michael@0: }; // end  PatternMap
michael@0: 
michael@0: class PatternMapIterator : public UMemory {
michael@0: public:
michael@0:     PatternMapIterator();
michael@0:     virtual ~PatternMapIterator();
michael@0:     void set(PatternMap& patternMap);
michael@0:     PtnSkeleton* getSkeleton();
michael@0:     UBool hasNext();
michael@0:     DateTimeMatcher& next();
michael@0: private:
michael@0:     int32_t bootIndex;
michael@0:     PtnElem *nodePtr;
michael@0:     DateTimeMatcher *matcher;
michael@0:     PatternMap *patternMap;
michael@0: };
michael@0: 
michael@0: class DTSkeletonEnumeration : public StringEnumeration {
michael@0: public:
michael@0:     DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status);
michael@0:     virtual ~DTSkeletonEnumeration();
michael@0:     static UClassID U_EXPORT2 getStaticClassID(void);
michael@0:     virtual UClassID getDynamicClassID(void) const;
michael@0:     virtual const UnicodeString* snext(UErrorCode& status);
michael@0:     virtual void reset(UErrorCode& status);
michael@0:     virtual int32_t count(UErrorCode& status) const;
michael@0: private:
michael@0:     int32_t pos;
michael@0:     UBool isCanonicalItem(const UnicodeString& item);
michael@0:     UVector *fSkeletons;
michael@0: };
michael@0: 
michael@0: class DTRedundantEnumeration : public StringEnumeration {
michael@0: public:
michael@0:     DTRedundantEnumeration();
michael@0:     virtual ~DTRedundantEnumeration();
michael@0:     static UClassID U_EXPORT2 getStaticClassID(void);
michael@0:     virtual UClassID getDynamicClassID(void) const;
michael@0:     virtual const UnicodeString* snext(UErrorCode& status);
michael@0:     virtual void reset(UErrorCode& status);
michael@0:     virtual int32_t count(UErrorCode& status) const;
michael@0:     void add(const UnicodeString &pattern, UErrorCode& status);
michael@0: private:
michael@0:     int32_t pos;
michael@0:     UBool isCanonicalItem(const UnicodeString& item);
michael@0:     UVector *fPatterns;
michael@0: };
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: 
michael@0: #endif