220 lines
5.8 KiB
C++
220 lines
5.8 KiB
C++
/*
|
|
*******************************************************************************
|
|
* Copyright (C) 2007-2008, International Business Machines Corporation and
|
|
* others. All Rights Reserved.
|
|
*******************************************************************************
|
|
*
|
|
* File PLURRULE_IMPL.H
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
|
|
#ifndef PLURRULE_IMPLE
|
|
#define PLURRULE_IMPLE
|
|
|
|
/**
|
|
* \file
|
|
* \brief C++ API: Defines rules for mapping positive long values onto a small set of keywords.
|
|
*/
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
|
|
#include "unicode/format.h"
|
|
#include "unicode/locid.h"
|
|
#include "unicode/parseerr.h"
|
|
#include "unicode/utypes.h"
|
|
#include "uvector.h"
|
|
#include "hash.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
#define DOT ((UChar)0x002E)
|
|
#define SINGLE_QUOTE ((UChar)0x0027)
|
|
#define SLASH ((UChar)0x002F)
|
|
#define BACKSLASH ((UChar)0x005C)
|
|
#define SPACE ((UChar)0x0020)
|
|
#define QUOTATION_MARK ((UChar)0x0022)
|
|
#define NUMBER_SIGN ((UChar)0x0023)
|
|
#define ASTERISK ((UChar)0x002A)
|
|
#define COMMA ((UChar)0x002C)
|
|
#define HYPHEN ((UChar)0x002D)
|
|
#define U_ZERO ((UChar)0x0030)
|
|
#define U_ONE ((UChar)0x0031)
|
|
#define U_TWO ((UChar)0x0032)
|
|
#define U_THREE ((UChar)0x0033)
|
|
#define U_FOUR ((UChar)0x0034)
|
|
#define U_FIVE ((UChar)0x0035)
|
|
#define U_SIX ((UChar)0x0036)
|
|
#define U_SEVEN ((UChar)0x0037)
|
|
#define U_EIGHT ((UChar)0x0038)
|
|
#define U_NINE ((UChar)0x0039)
|
|
#define COLON ((UChar)0x003A)
|
|
#define SEMI_COLON ((UChar)0x003B)
|
|
#define CAP_A ((UChar)0x0041)
|
|
#define CAP_B ((UChar)0x0042)
|
|
#define CAP_R ((UChar)0x0052)
|
|
#define CAP_Z ((UChar)0x005A)
|
|
#define LOWLINE ((UChar)0x005F)
|
|
#define LEFTBRACE ((UChar)0x007B)
|
|
#define RIGHTBRACE ((UChar)0x007D)
|
|
|
|
#define LOW_A ((UChar)0x0061)
|
|
#define LOW_B ((UChar)0x0062)
|
|
#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 PLURAL_RANGE_HIGH 0x7fffffff;
|
|
|
|
|
|
class UnicodeSet;
|
|
|
|
typedef enum PluralKey {
|
|
pZero,
|
|
pOne,
|
|
pTwo,
|
|
pFew,
|
|
pMany,
|
|
pOther,
|
|
pLast
|
|
}PluralKey;
|
|
|
|
typedef enum tokenType {
|
|
none,
|
|
tLetter,
|
|
tNumber,
|
|
tComma,
|
|
tSemiColon,
|
|
tSpace,
|
|
tColon,
|
|
tDot,
|
|
tKeyword,
|
|
tZero,
|
|
tOne,
|
|
tTwo,
|
|
tFew,
|
|
tMany,
|
|
tOther,
|
|
tAnd,
|
|
tOr,
|
|
tMod,
|
|
tNot,
|
|
tIn,
|
|
tNotIn,
|
|
tVariableN,
|
|
tIs,
|
|
tLeftBrace,
|
|
tRightBrace
|
|
}tokenType;
|
|
|
|
class RuleParser : public UMemory {
|
|
public:
|
|
RuleParser();
|
|
virtual ~RuleParser();
|
|
void getNextToken(const UnicodeString& ruleData, int32_t *ruleIndex, UnicodeString& token,
|
|
tokenType& type, UErrorCode &status);
|
|
void checkSyntax(tokenType prevType, tokenType curType, UErrorCode &status);
|
|
private:
|
|
UnicodeSet *idStartFilter;
|
|
UnicodeSet *idContinueFilter;
|
|
|
|
void getKeyType(const UnicodeString& token, tokenType& type, UErrorCode &status);
|
|
UBool inRange(UChar ch, tokenType& type);
|
|
UBool isValidKeyword(const UnicodeString& token);
|
|
};
|
|
|
|
class AndConstraint : public UMemory {
|
|
public:
|
|
typedef enum RuleOp {
|
|
NONE,
|
|
MOD
|
|
} RuleOp;
|
|
RuleOp op;
|
|
int32_t opNum;
|
|
int32_t rangeLow;
|
|
int32_t rangeHigh;
|
|
UBool notIn;
|
|
AndConstraint *next;
|
|
|
|
AndConstraint();
|
|
AndConstraint(const AndConstraint& other);
|
|
virtual ~AndConstraint();
|
|
AndConstraint* add();
|
|
UBool isFulfilled(int32_t number);
|
|
int32_t updateRepeatLimit(int32_t maxLimit);
|
|
};
|
|
|
|
class OrConstraint : public UMemory {
|
|
public:
|
|
AndConstraint *childNode;
|
|
OrConstraint *next;
|
|
OrConstraint();
|
|
|
|
OrConstraint(const OrConstraint& other);
|
|
virtual ~OrConstraint();
|
|
AndConstraint* add();
|
|
UBool isFulfilled(int32_t number);
|
|
};
|
|
|
|
class RuleChain : public UMemory {
|
|
public:
|
|
OrConstraint *ruleHeader;
|
|
UnicodeString keyword;
|
|
RuleChain();
|
|
RuleChain(const RuleChain& other);
|
|
RuleChain *next;
|
|
|
|
virtual ~RuleChain();
|
|
UnicodeString select(int32_t number) const;
|
|
void dumpRules(UnicodeString& result);
|
|
int32_t getRepeatLimit();
|
|
UErrorCode getKeywords(int32_t maxArraySize, UnicodeString *keywords, int32_t& arraySize) const;
|
|
UBool isKeyword(const UnicodeString& keyword) const;
|
|
void setRepeatLimit();
|
|
private:
|
|
int32_t repeatLimit;
|
|
};
|
|
|
|
class PluralKeywordEnumeration : public StringEnumeration {
|
|
public:
|
|
PluralKeywordEnumeration(UErrorCode& status);
|
|
virtual ~PluralKeywordEnumeration();
|
|
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;
|
|
UVector fKeywordNames;
|
|
};
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|
|
|
|
#endif // _PLURRULE_IMPL
|
|
//eof
|