257 lines
8.3 KiB
C++
257 lines
8.3 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2007, International Business Machines Corporation and
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* File DTPTNGEN.H
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*
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*******************************************************************************
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*/
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#include "uvector.h"
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#ifndef __DTPTNGEN_IMPL_H__
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#define __DTPTNGEN_IMPL_H__
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// TODO(claireho): Split off Builder class.
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// TODO(claireho): If splitting off Builder class: As subclass or independent?
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#define MAX_PATTERN_ENTRIES 52
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#define MAX_CLDR_FIELD_LEN 60
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#define MAX_DT_TOKEN 50
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#define MAX_RESOURCE_FIELD 12
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#define MAX_AVAILABLE_FORMATS 12
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#define NONE 0
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#define EXTRA_FIELD 0x10000
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#define MISSING_FIELD 0x1000
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#define MAX_STRING_ENUMERATION 200
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#define SINGLE_QUOTE ((UChar)0x0027)
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#define FORWARDSLASH ((UChar)0x002F)
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#define BACKSLASH ((UChar)0x005C)
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#define SPACE ((UChar)0x0020)
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#define QUOTATION_MARK ((UChar)0x0022)
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#define ASTERISK ((UChar)0x002A)
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#define PLUSSITN ((UChar)0x002B)
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#define COMMA ((UChar)0x002C)
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#define HYPHEN ((UChar)0x002D)
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#define DOT ((UChar)0x002E)
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#define COLON ((UChar)0x003A)
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#define CAP_A ((UChar)0x0041)
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#define CAP_C ((UChar)0x0043)
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#define CAP_D ((UChar)0x0044)
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#define CAP_E ((UChar)0x0045)
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#define CAP_F ((UChar)0x0046)
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#define CAP_G ((UChar)0x0047)
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#define CAP_H ((UChar)0x0048)
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#define CAP_L ((UChar)0x004C)
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#define CAP_M ((UChar)0x004D)
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#define CAP_O ((UChar)0x004F)
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#define CAP_Q ((UChar)0x0051)
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#define CAP_S ((UChar)0x0053)
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#define CAP_T ((UChar)0x0054)
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#define CAP_V ((UChar)0x0056)
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#define CAP_W ((UChar)0x0057)
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#define CAP_Y ((UChar)0x0059)
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#define CAP_Z ((UChar)0x005A)
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#define LOWLINE ((UChar)0x005F)
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#define LOW_A ((UChar)0x0061)
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#define LOW_C ((UChar)0x0063)
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#define LOW_D ((UChar)0x0064)
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#define LOW_E ((UChar)0x0065)
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#define LOW_F ((UChar)0x0066)
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#define LOW_G ((UChar)0x0067)
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#define LOW_H ((UChar)0x0068)
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#define LOW_I ((UChar)0x0069)
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#define LOW_K ((UChar)0x006B)
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#define LOW_L ((UChar)0x006C)
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#define LOW_M ((UChar)0x006D)
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#define LOW_N ((UChar)0x006E)
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#define LOW_O ((UChar)0x006F)
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#define LOW_P ((UChar)0x0070)
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#define LOW_Q ((UChar)0x0071)
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#define LOW_R ((UChar)0x0072)
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#define LOW_S ((UChar)0x0073)
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#define LOW_T ((UChar)0x0074)
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#define LOW_U ((UChar)0x0075)
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#define LOW_V ((UChar)0x0076)
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#define LOW_W ((UChar)0x0077)
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#define LOW_Y ((UChar)0x0079)
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#define LOW_Z ((UChar)0x007A)
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#define DT_SHORT -0x101
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#define DT_LONG -0x102
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#define DT_NUMERIC 0x100
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#define DT_NARROW -0x100
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#define DT_DELTA 0x10
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U_NAMESPACE_BEGIN
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const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD;
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const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD);
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typedef enum dtStrEnum {
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DT_BASESKELETON,
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DT_SKELETON,
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DT_PATTERN
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}dtStrEnum;
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typedef struct dtTypeElem {
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UChar patternChar;
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UDateTimePatternField field;
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int32_t type;
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int32_t minLen;
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int32_t weight;
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}dtTypeElem;
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class PtnSkeleton : public UMemory {
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public:
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int32_t type[UDATPG_FIELD_COUNT];
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UnicodeString original[UDATPG_FIELD_COUNT];
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UnicodeString baseOriginal[UDATPG_FIELD_COUNT];
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PtnSkeleton();
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PtnSkeleton(const PtnSkeleton& other);
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UBool equals(const PtnSkeleton& other);
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UnicodeString getSkeleton();
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UnicodeString getBaseSkeleton();
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virtual ~PtnSkeleton();
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};
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class PtnElem : public UMemory {
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public:
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UnicodeString basePattern;
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PtnSkeleton *skeleton;
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UnicodeString pattern;
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PtnElem *next;
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PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern);
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virtual ~PtnElem();
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};
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class FormatParser : public UMemory {
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public:
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UnicodeString items[MAX_DT_TOKEN];
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int32_t itemNumber;
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FormatParser();
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virtual ~FormatParser();
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void set(const UnicodeString& patternString);
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UBool isQuoteLiteral(const UnicodeString& s) const;
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void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex);
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int32_t getCanonicalIndex(const UnicodeString& s);
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UBool isPatternSeparator(UnicodeString& field);
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void setFilter(UErrorCode &status);
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private:
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typedef enum TokenStatus {
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START,
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ADD_TOKEN,
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SYNTAX_ERROR,
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DONE
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} ToeknStatus;
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TokenStatus status;
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virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len);
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};
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class DistanceInfo : public UMemory {
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public:
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int32_t missingFieldMask;
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int32_t extraFieldMask;
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DistanceInfo() {};
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virtual ~DistanceInfo() {};
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void clear() { missingFieldMask = extraFieldMask = 0; };
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void setTo(DistanceInfo& other);
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void addMissing(int32_t field) { missingFieldMask |= (1<<field); };
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void addExtra(int32_t field) { extraFieldMask |= (1<<field); };
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};
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class DateTimeMatcher: public UMemory {
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public:
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PtnSkeleton skeleton;
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void getBasePattern(UnicodeString &basePattern);
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UnicodeString getPattern();
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void set(const UnicodeString& pattern, FormatParser* fp);
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void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton);
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void copyFrom(const PtnSkeleton& skeleton);
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void copyFrom();
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PtnSkeleton* getSkeletonPtr();
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UBool equals(const DateTimeMatcher* other) const;
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int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo);
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DateTimeMatcher();
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DateTimeMatcher(const DateTimeMatcher& other);
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virtual ~DateTimeMatcher() {};
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int32_t getFieldMask();
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};
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class PatternMap : public UMemory {
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public:
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PtnElem *boot[MAX_PATTERN_ENTRIES];
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PatternMap();
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virtual ~PatternMap();
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void add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UErrorCode& status);
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UErrorCode status;
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const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern);
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const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton);
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void copyFrom(const PatternMap& other, UErrorCode& status);
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PtnElem* getHeader(UChar baseChar);
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UBool equals(const PatternMap& other);
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private:
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UBool isDupAllowed;
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PtnElem* getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem);
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}; // end PatternMap
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class PatternMapIterator : public UMemory {
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public:
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PatternMapIterator();
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virtual ~PatternMapIterator();
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void set(PatternMap& patternMap);
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PtnSkeleton* getSkeleton();
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UBool hasNext();
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DateTimeMatcher& next();
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private:
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int32_t bootIndex;
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PtnElem *nodePtr;
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DateTimeMatcher *matcher;
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PatternMap *patternMap;
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};
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class U_I18N_API DTSkeletonEnumeration : public StringEnumeration {
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public:
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DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status);
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virtual ~DTSkeletonEnumeration();
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static UClassID U_EXPORT2 getStaticClassID(void);
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virtual UClassID getDynamicClassID(void) const;
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virtual const UnicodeString* snext(UErrorCode& status);
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virtual void reset(UErrorCode& status);
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virtual int32_t count(UErrorCode& status) const;
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private:
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int32_t pos;
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UBool isCanonicalItem(const UnicodeString& item);
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UVector *fSkeletons;
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};
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class U_I18N_API DTRedundantEnumeration : public StringEnumeration {
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public:
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DTRedundantEnumeration();
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virtual ~DTRedundantEnumeration();
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static UClassID U_EXPORT2 getStaticClassID(void);
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virtual UClassID getDynamicClassID(void) const;
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virtual const UnicodeString* snext(UErrorCode& status);
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virtual void reset(UErrorCode& status);
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virtual int32_t count(UErrorCode& status) const;
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void add(const UnicodeString &pattern, UErrorCode& status);
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private:
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int32_t pos;
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UBool isCanonicalItem(const UnicodeString& item);
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UVector *fPatterns;
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};
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U_NAMESPACE_END
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#endif
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