[apple/icu.git] / icuSources / i18n / dtptngen_impl.h

/*
*******************************************************************************
* Copyright (C) 2007-2012, International Business Machines Corporation and
* others. All Rights Reserved.                                                *
*******************************************************************************
*
* File DTPTNGEN.H
*
*******************************************************************************
*/

#include "uvector.h"

#ifndef __DTPTNGEN_IMPL_H__
#define __DTPTNGEN_IMPL_H__

// TODO(claireho): Split off Builder class.
// TODO(claireho): If splitting off Builder class: As subclass or independent?

#define MAX_PATTERN_ENTRIES 52
#define MAX_CLDR_FIELD_LEN  60
#define MAX_DT_TOKEN        50
#define MAX_RESOURCE_FIELD  12
#define MAX_AVAILABLE_FORMATS  12
#define NONE          0
#define EXTRA_FIELD   0x10000
#define MISSING_FIELD  0x1000
#define MAX_STRING_ENUMERATION  200
#define SINGLE_QUOTE      ((UChar)0x0027)
#define FORWARDSLASH      ((UChar)0x002F)
#define BACKSLASH         ((UChar)0x005C)
#define SPACE             ((UChar)0x0020)
#define QUOTATION_MARK    ((UChar)0x0022)
#define ASTERISK          ((UChar)0x002A)
#define PLUSSITN          ((UChar)0x002B)
#define COMMA             ((UChar)0x002C)
#define HYPHEN            ((UChar)0x002D)
#define DOT               ((UChar)0x002E)
#define COLON             ((UChar)0x003A)
#define CAP_A             ((UChar)0x0041)
#define CAP_C             ((UChar)0x0043)
#define CAP_D             ((UChar)0x0044)
#define CAP_E             ((UChar)0x0045)
#define CAP_F             ((UChar)0x0046)
#define CAP_G             ((UChar)0x0047)
#define CAP_H             ((UChar)0x0048)
#define CAP_K             ((UChar)0x004B)
#define CAP_L             ((UChar)0x004C)
#define CAP_M             ((UChar)0x004D)
#define CAP_O             ((UChar)0x004F)
#define CAP_Q             ((UChar)0x0051)
#define CAP_S             ((UChar)0x0053)
#define CAP_T             ((UChar)0x0054)
#define CAP_U             ((UChar)0x0055)
#define CAP_V             ((UChar)0x0056)
#define CAP_W             ((UChar)0x0057)
#define CAP_Y             ((UChar)0x0059)
#define CAP_Z             ((UChar)0x005A)
#define LOWLINE           ((UChar)0x005F)
#define LOW_A             ((UChar)0x0061)
#define LOW_C             ((UChar)0x0063)
#define LOW_D             ((UChar)0x0064)
#define LOW_E             ((UChar)0x0065)
#define LOW_F             ((UChar)0x0066)
#define LOW_G             ((UChar)0x0067)
#define LOW_H             ((UChar)0x0068)
#define LOW_I             ((UChar)0x0069)
#define LOW_J             ((UChar)0x006A)
#define LOW_K             ((UChar)0x006B)
#define LOW_L             ((UChar)0x006C)
#define LOW_M             ((UChar)0x006D)
#define LOW_N             ((UChar)0x006E)
#define LOW_O             ((UChar)0x006F)
#define LOW_P             ((UChar)0x0070)
#define LOW_Q             ((UChar)0x0071)
#define LOW_R             ((UChar)0x0072)
#define LOW_S             ((UChar)0x0073)
#define LOW_T             ((UChar)0x0074)
#define LOW_U             ((UChar)0x0075)
#define LOW_V             ((UChar)0x0076)
#define LOW_W             ((UChar)0x0077)
#define LOW_Y             ((UChar)0x0079)
#define LOW_Z             ((UChar)0x007A)
#define DT_SHORT          -0x102
#define DT_LONG           -0x103
#define DT_NUMERIC         0x100
#define DT_NARROW         -0x101
#define DT_DELTA           0x10

U_NAMESPACE_BEGIN

const int32_t UDATPG_FRACTIONAL_MASK = 1<<UDATPG_FRACTIONAL_SECOND_FIELD;
const int32_t UDATPG_SECOND_AND_FRACTIONAL_MASK = (1<<UDATPG_SECOND_FIELD) | (1<<UDATPG_FRACTIONAL_SECOND_FIELD);

typedef enum dtStrEnum {
    DT_BASESKELETON,
    DT_SKELETON,
    DT_PATTERN
}dtStrEnum;

typedef struct dtTypeElem {
    UChar                  patternChar;
    UDateTimePatternField  field;
    int16_t                type;
    int16_t                minLen;
    int16_t                weight;
}dtTypeElem;

class PtnSkeleton : public UMemory {
public:
    int32_t type[UDATPG_FIELD_COUNT];
    UnicodeString original[UDATPG_FIELD_COUNT];
    UnicodeString baseOriginal[UDATPG_FIELD_COUNT];

    PtnSkeleton();
    PtnSkeleton(const PtnSkeleton& other);
    UBool equals(const PtnSkeleton& other);
    UnicodeString getSkeleton();
    UnicodeString getBaseSkeleton();
    virtual ~PtnSkeleton();
};


class PtnElem : public UMemory {
public:
    UnicodeString basePattern;
    PtnSkeleton   *skeleton;
    UnicodeString pattern;
    UBool         skeletonWasSpecified; // if specified in availableFormats, not derived
    PtnElem       *next;

    PtnElem(const UnicodeString &basePattern, const UnicodeString &pattern);
    virtual ~PtnElem();

};

class FormatParser : public UMemory {
public:
    UnicodeString items[MAX_DT_TOKEN];
    int32_t  itemNumber;

    FormatParser();
    virtual ~FormatParser();
    void set(const UnicodeString& patternString);
    UBool isQuoteLiteral(const UnicodeString& s) const;
    void getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex);
    int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); }
    int32_t getCanonicalIndex(const UnicodeString& s, UBool strict);
    UBool isPatternSeparator(UnicodeString& field);
    void setFilter(UErrorCode &status);

private:
   typedef enum TokenStatus {
       START,
       ADD_TOKEN,
       SYNTAX_ERROR,
       DONE
   } ToeknStatus;

   TokenStatus status;
   virtual TokenStatus setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len);
};

class DistanceInfo : public UMemory {
public:
    int32_t missingFieldMask;
    int32_t extraFieldMask;

    DistanceInfo() {}
    virtual ~DistanceInfo();
    void clear() { missingFieldMask = extraFieldMask = 0; }
    void setTo(DistanceInfo& other);
    void addMissing(int32_t field) { missingFieldMask |= (1<<field); }
    void addExtra(int32_t field) { extraFieldMask |= (1<<field); }
};

class DateTimeMatcher: public UMemory {
public:
    PtnSkeleton skeleton;

    void getBasePattern(UnicodeString &basePattern);
    UnicodeString getPattern();
    void set(const UnicodeString& pattern, FormatParser* fp);
    void set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeleton);
    void copyFrom(const PtnSkeleton& skeleton);
    void copyFrom();
    PtnSkeleton* getSkeletonPtr();
    UBool equals(const DateTimeMatcher* other) const;
    int32_t getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo);
    DateTimeMatcher();
    DateTimeMatcher(const DateTimeMatcher& other);
    virtual ~DateTimeMatcher();
    int32_t getFieldMask();
};

class PatternMap : public UMemory {
public:
    PtnElem *boot[MAX_PATTERN_ENTRIES];
    PatternMap();
    virtual  ~PatternMap();
    void  add(const UnicodeString& basePattern, const PtnSkeleton& skeleton, const UnicodeString& value, UBool skeletonWasSpecified, UErrorCode& status);
    const UnicodeString* getPatternFromBasePattern(UnicodeString& basePattern, UBool& skeletonWasSpecified);
    const UnicodeString* getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr = 0);
    void copyFrom(const PatternMap& other, UErrorCode& status);
    PtnElem* getHeader(UChar baseChar);
    UBool equals(const PatternMap& other);
private:
    UBool isDupAllowed;
    PtnElem*  getDuplicateElem(const UnicodeString &basePattern, const PtnSkeleton& skeleton, PtnElem *baseElem);
}; // end  PatternMap

class PatternMapIterator : public UMemory {
public:
    PatternMapIterator();
    virtual ~PatternMapIterator();
    void set(PatternMap& patternMap);
    PtnSkeleton* getSkeleton();
    UBool hasNext();
    DateTimeMatcher& next();
private:
    int32_t bootIndex;
    PtnElem *nodePtr;
    DateTimeMatcher *matcher;
    PatternMap *patternMap;
};

class DTSkeletonEnumeration : public StringEnumeration {
public:
    DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status);
    virtual ~DTSkeletonEnumeration();
    static UClassID U_EXPORT2 getStaticClassID(void);
    virtual UClassID getDynamicClassID(void) const;
    virtual const UnicodeString* snext(UErrorCode& status);
    virtual void reset(UErrorCode& status);
    virtual int32_t count(UErrorCode& status) const;
private:
    int32_t pos;
    UBool isCanonicalItem(const UnicodeString& item);
    UVector *fSkeletons;
};

class DTRedundantEnumeration : public StringEnumeration {
public:
    DTRedundantEnumeration();
    virtual ~DTRedundantEnumeration();
    static UClassID U_EXPORT2 getStaticClassID(void);
    virtual UClassID getDynamicClassID(void) const;
    virtual const UnicodeString* snext(UErrorCode& status);
    virtual void reset(UErrorCode& status);
    virtual int32_t count(UErrorCode& status) const;
    void add(const UnicodeString &pattern, UErrorCode& status);
private:
    int32_t pos;
    UBool isCanonicalItem(const UnicodeString& item);
    UVector *fPatterns;
};

U_NAMESPACE_END

#endif
Commit	Line	Data
46f4442e A	1	/*
46f4442e A	2	*******************************************************************************
4388f060	3	* Copyright (C) 2007-2012, International Business Machines Corporation and
46f4442e A	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)
4388f060	54	#define CAP_U ((UChar)0x0055)
46f4442e A	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);
4388f060	147	int32_t getCanonicalIndex(const UnicodeString& s) { return getCanonicalIndex(s, TRUE); }
729e4ab9	148	int32_t getCanonicalIndex(const UnicodeString& s, UBool strict);
46f4442e A	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
4388f060 A	169	DistanceInfo() {}
	170	virtual ~DistanceInfo();
	171	void clear() { missingFieldMask = extraFieldMask = 0; }
46f4442e	172	void setTo(DistanceInfo& other);
4388f060 A	173	void addMissing(int32_t field) { missingFieldMask \|= (1<<field); }
4388f060 A	174	void addExtra(int32_t field) { extraFieldMask \|= (1<<field); }
46f4442e A	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);
4388f060	192	virtual ~DateTimeMatcher();
46f4442e A	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