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Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/plurrule_impl.h')
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1 files changed, 0 insertions, 402 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/plurrule_impl.h b/deps/node/deps/icu-small/source/i18n/plurrule_impl.h deleted file mode 100644 index f23ae168..00000000 --- a/deps/node/deps/icu-small/source/i18n/plurrule_impl.h +++ /dev/null @@ -1,402 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 2007-2016, International Business Machines Corporation and -* others. All Rights Reserved. -******************************************************************************* -* -* File PLURRULE_IMPL.H -* -******************************************************************************* -*/ - - -#ifndef PLURRULE_IMPL -#define PLURRULE_IMPL - -// Internal definitions for the PluralRules implementation. - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_FORMATTING - -#include "unicode/format.h" -#include "unicode/locid.h" -#include "unicode/parseerr.h" -#include "unicode/strenum.h" -#include "unicode/ures.h" -#include "uvector.h" -#include "hash.h" -#include "uassert.h" - -class PluralRulesTest; - -U_NAMESPACE_BEGIN - -class AndConstraint; -class RuleChain; -class DigitInterval; -class PluralRules; -class VisibleDigits; - -namespace pluralimpl { - -// TODO: Remove this and replace with u"" literals. Was for EBCDIC compatibility. - -static const UChar DOT = ((UChar) 0x002E); -static const UChar SINGLE_QUOTE = ((UChar) 0x0027); -static const UChar SLASH = ((UChar) 0x002F); -static const UChar BACKSLASH = ((UChar) 0x005C); -static const UChar SPACE = ((UChar) 0x0020); -static const UChar EXCLAMATION = ((UChar) 0x0021); -static const UChar QUOTATION_MARK = ((UChar) 0x0022); -static const UChar NUMBER_SIGN = ((UChar) 0x0023); -static const UChar PERCENT_SIGN = ((UChar) 0x0025); -static const UChar ASTERISK = ((UChar) 0x002A); -static const UChar COMMA = ((UChar) 0x002C); -static const UChar HYPHEN = ((UChar) 0x002D); -static const UChar U_ZERO = ((UChar) 0x0030); -static const UChar U_ONE = ((UChar) 0x0031); -static const UChar U_TWO = ((UChar) 0x0032); -static const UChar U_THREE = ((UChar) 0x0033); -static const UChar U_FOUR = ((UChar) 0x0034); -static const UChar U_FIVE = ((UChar) 0x0035); -static const UChar U_SIX = ((UChar) 0x0036); -static const UChar U_SEVEN = ((UChar) 0x0037); -static const UChar U_EIGHT = ((UChar) 0x0038); -static const UChar U_NINE = ((UChar) 0x0039); -static const UChar COLON = ((UChar) 0x003A); -static const UChar SEMI_COLON = ((UChar) 0x003B); -static const UChar EQUALS = ((UChar) 0x003D); -static const UChar AT = ((UChar) 0x0040); -static const UChar CAP_A = ((UChar) 0x0041); -static const UChar CAP_B = ((UChar) 0x0042); -static const UChar CAP_R = ((UChar) 0x0052); -static const UChar CAP_Z = ((UChar) 0x005A); -static const UChar LOWLINE = ((UChar) 0x005F); -static const UChar LEFTBRACE = ((UChar) 0x007B); -static const UChar RIGHTBRACE = ((UChar) 0x007D); -static const UChar TILDE = ((UChar) 0x007E); -static const UChar ELLIPSIS = ((UChar) 0x2026); - -static const UChar LOW_A = ((UChar) 0x0061); -static const UChar LOW_B = ((UChar) 0x0062); -static const UChar LOW_C = ((UChar) 0x0063); -static const UChar LOW_D = ((UChar) 0x0064); -static const UChar LOW_E = ((UChar) 0x0065); -static const UChar LOW_F = ((UChar) 0x0066); -static const UChar LOW_G = ((UChar) 0x0067); -static const UChar LOW_H = ((UChar) 0x0068); -static const UChar LOW_I = ((UChar) 0x0069); -static const UChar LOW_J = ((UChar) 0x006a); -static const UChar LOW_K = ((UChar) 0x006B); -static const UChar LOW_L = ((UChar) 0x006C); -static const UChar LOW_M = ((UChar) 0x006D); -static const UChar LOW_N = ((UChar) 0x006E); -static const UChar LOW_O = ((UChar) 0x006F); -static const UChar LOW_P = ((UChar) 0x0070); -static const UChar LOW_Q = ((UChar) 0x0071); -static const UChar LOW_R = ((UChar) 0x0072); -static const UChar LOW_S = ((UChar) 0x0073); -static const UChar LOW_T = ((UChar) 0x0074); -static const UChar LOW_U = ((UChar) 0x0075); -static const UChar LOW_V = ((UChar) 0x0076); -static const UChar LOW_W = ((UChar) 0x0077); -static const UChar LOW_Y = ((UChar) 0x0079); -static const UChar LOW_Z = ((UChar) 0x007A); - -} - - -static const int32_t PLURAL_RANGE_HIGH = 0x7fffffff; - -enum tokenType { - none, - tNumber, - tComma, - tSemiColon, - tSpace, - tColon, - tAt, // '@' - tDot, - tDot2, - tEllipsis, - tKeyword, - tAnd, - tOr, - tMod, // 'mod' or '%' - tNot, // 'not' only. - tIn, // 'in' only. - tEqual, // '=' only. - tNotEqual, // '!=' - tTilde, - tWithin, - tIs, - tVariableN, - tVariableI, - tVariableF, - tVariableV, - tVariableT, - tDecimal, - tInteger, - tEOF -}; - - -class PluralRuleParser: public UMemory { -public: - PluralRuleParser(); - virtual ~PluralRuleParser(); - - void parse(const UnicodeString &rules, PluralRules *dest, UErrorCode &status); - void getNextToken(UErrorCode &status); - void checkSyntax(UErrorCode &status); - static int32_t getNumberValue(const UnicodeString &token); - -private: - static tokenType getKeyType(const UnicodeString& token, tokenType type); - static tokenType charType(UChar ch); - static UBool isValidKeyword(const UnicodeString& token); - - const UnicodeString *ruleSrc; // The rules string. - int32_t ruleIndex; // String index in the input rules, the current parse position. - UnicodeString token; // Token most recently scanned. - tokenType type; - tokenType prevType; - - // The items currently being parsed & built. - // Note: currentChain may not be the last RuleChain in the - // list because the "other" chain is forced to the end. - AndConstraint *curAndConstraint; - RuleChain *currentChain; - - int32_t rangeLowIdx; // Indices in the UVector of ranges of the - int32_t rangeHiIdx; // low and hi values currently being parsed. - - enum EParseState { - kKeyword, - kExpr, - kValue, - kRangeList, - kSamples - }; -}; - -enum PluralOperand { - /** - * The double value of the entire number. - */ - PLURAL_OPERAND_N, - - /** - * The integer value, with the fraction digits truncated off. - */ - PLURAL_OPERAND_I, - - /** - * All visible fraction digits as an integer, including trailing zeros. - */ - PLURAL_OPERAND_F, - - /** - * Visible fraction digits as an integer, not including trailing zeros. - */ - PLURAL_OPERAND_T, - - /** - * Number of visible fraction digits. - */ - PLURAL_OPERAND_V, - - /** - * Number of visible fraction digits, not including trailing zeros. - */ - PLURAL_OPERAND_W, - - /** - * THIS OPERAND IS DEPRECATED AND HAS BEEN REMOVED FROM THE SPEC. - * - * <p>Returns the integer value, but will fail if the number has fraction digits. - * That is, using "j" instead of "i" is like implicitly adding "v is 0". - * - * <p>For example, "j is 3" is equivalent to "i is 3 and v is 0": it matches - * "3" but not "3.1" or "3.0". - */ - PLURAL_OPERAND_J -}; - -/** - * Converts from the tokenType enum to PluralOperand. Asserts that the given - * tokenType can be mapped to a PluralOperand. - */ -PluralOperand tokenTypeToPluralOperand(tokenType tt); - -/** - * An interface to FixedDecimal, allowing for other implementations. - * @internal - */ -class U_I18N_API IFixedDecimal { - public: - virtual ~IFixedDecimal(); - - /** - * Returns the value corresponding to the specified operand (n, i, f, t, v, or w). - * If the operand is 'n', returns a double; otherwise, returns an integer. - */ - virtual double getPluralOperand(PluralOperand operand) const = 0; - - virtual bool isNaN() const = 0; - - virtual bool isInfinite() const = 0; - - /** Whether the number has no nonzero fraction digits. */ - virtual bool hasIntegerValue() const = 0; -}; - -/** - * class FixedDecimal serves to communicate the properties - * of a formatted number from a decimal formatter to PluralRules::select() - * - * see DecimalFormat::getFixedDecimal() - * @internal - */ -class U_I18N_API FixedDecimal: public IFixedDecimal, public UObject { - public: - /** - * @param n the number, e.g. 12.345 - * @param v The number of visible fraction digits, e.g. 3 - * @param f The fraction digits, e.g. 345 - */ - FixedDecimal(double n, int32_t v, int64_t f); - FixedDecimal(double n, int32_t); - explicit FixedDecimal(double n); - FixedDecimal(); - ~FixedDecimal() U_OVERRIDE; - FixedDecimal(const UnicodeString &s, UErrorCode &ec); - FixedDecimal(const FixedDecimal &other); - - double getPluralOperand(PluralOperand operand) const U_OVERRIDE; - bool isNaN() const U_OVERRIDE; - bool isInfinite() const U_OVERRIDE; - bool hasIntegerValue() const U_OVERRIDE; - - bool isNanOrInfinity() const; // used in decimfmtimpl.cpp - - int32_t getVisibleFractionDigitCount() const; - - void init(double n, int32_t v, int64_t f); - void init(double n); - UBool quickInit(double n); // Try a fast-path only initialization, - // return TRUE if successful. - void adjustForMinFractionDigits(int32_t min); - static int64_t getFractionalDigits(double n, int32_t v); - static int32_t decimals(double n); - - double source; - int32_t visibleDecimalDigitCount; - int64_t decimalDigits; - int64_t decimalDigitsWithoutTrailingZeros; - int64_t intValue; - UBool _hasIntegerValue; - UBool isNegative; - UBool _isNaN; - UBool _isInfinite; -}; - -class AndConstraint : public UMemory { -public: - typedef enum RuleOp { - NONE, - MOD - } RuleOp; - RuleOp op = AndConstraint::NONE; - int32_t opNum = -1; // for mod expressions, the right operand of the mod. - int32_t value = -1; // valid for 'is' rules only. - UVector32 *rangeList = nullptr; // for 'in', 'within' rules. Null otherwise. - UBool negated = FALSE; // TRUE for negated rules. - UBool integerOnly = FALSE; // TRUE for 'within' rules. - tokenType digitsType = none; // n | i | v | f constraint. - AndConstraint *next = nullptr; - // Internal error status, used for errors that occur during the copy constructor. - UErrorCode fInternalStatus = U_ZERO_ERROR; - - AndConstraint() = default; - AndConstraint(const AndConstraint& other); - virtual ~AndConstraint(); - AndConstraint* add(UErrorCode& status); - // UBool isFulfilled(double number); - UBool isFulfilled(const IFixedDecimal &number); -}; - -class OrConstraint : public UMemory { -public: - AndConstraint *childNode = nullptr; - OrConstraint *next = nullptr; - // Internal error status, used for errors that occur during the copy constructor. - UErrorCode fInternalStatus = U_ZERO_ERROR; - - OrConstraint() = default; - OrConstraint(const OrConstraint& other); - virtual ~OrConstraint(); - AndConstraint* add(UErrorCode& status); - // UBool isFulfilled(double number); - UBool isFulfilled(const IFixedDecimal &number); -}; - -class RuleChain : public UMemory { -public: - UnicodeString fKeyword; - RuleChain *fNext = nullptr; - OrConstraint *ruleHeader = nullptr; - UnicodeString fDecimalSamples; // Samples strings from rule source - UnicodeString fIntegerSamples; // without @decimal or @integer, otherwise unprocessed. - UBool fDecimalSamplesUnbounded = FALSE; - UBool fIntegerSamplesUnbounded = FALSE; - // Internal error status, used for errors that occur during the copy constructor. - UErrorCode fInternalStatus = U_ZERO_ERROR; - - RuleChain() = default; - RuleChain(const RuleChain& other); - virtual ~RuleChain(); - - UnicodeString select(const IFixedDecimal &number) const; - void dumpRules(UnicodeString& result); - UErrorCode getKeywords(int32_t maxArraySize, UnicodeString *keywords, int32_t& arraySize) const; - UBool isKeyword(const UnicodeString& keyword) const; -}; - -class PluralKeywordEnumeration : public StringEnumeration { -public: - PluralKeywordEnumeration(RuleChain *header, 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; -}; - - -class U_I18N_API PluralAvailableLocalesEnumeration: public StringEnumeration { - public: - PluralAvailableLocalesEnumeration(UErrorCode &status); - virtual ~PluralAvailableLocalesEnumeration(); - virtual const char* next(int32_t *resultLength, UErrorCode& status); - virtual void reset(UErrorCode& status); - virtual int32_t count(UErrorCode& status) const; - private: - UErrorCode fOpenStatus; - UResourceBundle *fLocales = nullptr; - UResourceBundle *fRes = nullptr; -}; - -U_NAMESPACE_END - -#endif /* #if !UCONFIG_NO_FORMATTING */ - -#endif // _PLURRULE_IMPL -//eof |