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Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/collationsettings.h')
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diff --git a/deps/node/deps/icu-small/source/i18n/collationsettings.h b/deps/node/deps/icu-small/source/i18n/collationsettings.h deleted file mode 100644 index 83e775d4..00000000 --- a/deps/node/deps/icu-small/source/i18n/collationsettings.h +++ /dev/null @@ -1,274 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 2013-2015, International Business Machines -* Corporation and others. All Rights Reserved. -******************************************************************************* -* collationsettings.h -* -* created on: 2013feb07 -* created by: Markus W. Scherer -*/ - -#ifndef __COLLATIONSETTINGS_H__ -#define __COLLATIONSETTINGS_H__ - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_COLLATION - -#include "unicode/ucol.h" -#include "collation.h" -#include "sharedobject.h" -#include "umutex.h" - -U_NAMESPACE_BEGIN - -struct CollationData; - -/** - * Collation settings/options/attributes. - * These are the values that can be changed via API. - */ -struct U_I18N_API CollationSettings : public SharedObject { - /** - * Options bit 0: Perform the FCD check on the input text and deliver normalized text. - */ - static const int32_t CHECK_FCD = 1; - /** - * Options bit 1: Numeric collation. - * Also known as CODAN = COllate Digits As Numbers. - * - * Treat digit sequences as numbers with CE sequences in numeric order, - * rather than returning a normal CE for each digit. - */ - static const int32_t NUMERIC = 2; - /** - * "Shifted" alternate handling, see ALTERNATE_MASK. - */ - static const int32_t SHIFTED = 4; - /** - * Options bits 3..2: Alternate-handling mask. 0 for non-ignorable. - * Reserve values 8 and 0xc for shift-trimmed and blanked. - */ - static const int32_t ALTERNATE_MASK = 0xc; - /** - * Options bits 6..4: The 3-bit maxVariable value bit field is shifted by this value. - */ - static const int32_t MAX_VARIABLE_SHIFT = 4; - /** maxVariable options bit mask before shifting. */ - static const int32_t MAX_VARIABLE_MASK = 0x70; - /** Options bit 7: Reserved/unused/0. */ - /** - * Options bit 8: Sort uppercase first if caseLevel or caseFirst is on. - */ - static const int32_t UPPER_FIRST = 0x100; - /** - * Options bit 9: Keep the case bits in the tertiary weight (they trump other tertiary values) - * unless case level is on (when they are *moved* into the separate case level). - * By default, the case bits are removed from the tertiary weight (ignored). - * - * When CASE_FIRST is off, UPPER_FIRST must be off too, corresponding to - * the tri-value UCOL_CASE_FIRST attribute: UCOL_OFF vs. UCOL_LOWER_FIRST vs. UCOL_UPPER_FIRST. - */ - static const int32_t CASE_FIRST = 0x200; - /** - * Options bit mask for caseFirst and upperFirst, before shifting. - * Same value as caseFirst==upperFirst. - */ - static const int32_t CASE_FIRST_AND_UPPER_MASK = CASE_FIRST | UPPER_FIRST; - /** - * Options bit 10: Insert the case level between the secondary and tertiary levels. - */ - static const int32_t CASE_LEVEL = 0x400; - /** - * Options bit 11: Compare secondary weights backwards. ("French secondary") - */ - static const int32_t BACKWARD_SECONDARY = 0x800; - /** - * Options bits 15..12: The 4-bit strength value bit field is shifted by this value. - * It is the top used bit field in the options. (No need to mask after shifting.) - */ - static const int32_t STRENGTH_SHIFT = 12; - /** Strength options bit mask before shifting. */ - static const int32_t STRENGTH_MASK = 0xf000; - - /** maxVariable values */ - enum MaxVariable { - MAX_VAR_SPACE, - MAX_VAR_PUNCT, - MAX_VAR_SYMBOL, - MAX_VAR_CURRENCY - }; - - CollationSettings() - : options((UCOL_DEFAULT_STRENGTH << STRENGTH_SHIFT) | - (MAX_VAR_PUNCT << MAX_VARIABLE_SHIFT)), - variableTop(0), - reorderTable(NULL), - minHighNoReorder(0), - reorderRanges(NULL), reorderRangesLength(0), - reorderCodes(NULL), reorderCodesLength(0), reorderCodesCapacity(0), - fastLatinOptions(-1) {} - - CollationSettings(const CollationSettings &other); - virtual ~CollationSettings(); - - UBool operator==(const CollationSettings &other) const; - - inline UBool operator!=(const CollationSettings &other) const { - return !operator==(other); - } - - int32_t hashCode() const; - - void resetReordering(); - void aliasReordering(const CollationData &data, const int32_t *codes, int32_t length, - const uint32_t *ranges, int32_t rangesLength, - const uint8_t *table, UErrorCode &errorCode); - void setReordering(const CollationData &data, const int32_t *codes, int32_t codesLength, - UErrorCode &errorCode); - void copyReorderingFrom(const CollationSettings &other, UErrorCode &errorCode); - - inline UBool hasReordering() const { return reorderTable != NULL; } - static UBool reorderTableHasSplitBytes(const uint8_t table[256]); - inline uint32_t reorder(uint32_t p) const { - uint8_t b = reorderTable[p >> 24]; - if(b != 0 || p <= Collation::NO_CE_PRIMARY) { - return ((uint32_t)b << 24) | (p & 0xffffff); - } else { - return reorderEx(p); - } - } - - void setStrength(int32_t value, int32_t defaultOptions, UErrorCode &errorCode); - - static int32_t getStrength(int32_t options) { - return options >> STRENGTH_SHIFT; - } - - int32_t getStrength() const { - return getStrength(options); - } - - /** Sets the options bit for an on/off attribute. */ - void setFlag(int32_t bit, UColAttributeValue value, - int32_t defaultOptions, UErrorCode &errorCode); - - UColAttributeValue getFlag(int32_t bit) const { - return ((options & bit) != 0) ? UCOL_ON : UCOL_OFF; - } - - void setCaseFirst(UColAttributeValue value, int32_t defaultOptions, UErrorCode &errorCode); - - UColAttributeValue getCaseFirst() const { - int32_t option = options & CASE_FIRST_AND_UPPER_MASK; - return (option == 0) ? UCOL_OFF : - (option == CASE_FIRST) ? UCOL_LOWER_FIRST : UCOL_UPPER_FIRST; - } - - void setAlternateHandling(UColAttributeValue value, - int32_t defaultOptions, UErrorCode &errorCode); - - UColAttributeValue getAlternateHandling() const { - return ((options & ALTERNATE_MASK) == 0) ? UCOL_NON_IGNORABLE : UCOL_SHIFTED; - } - - void setMaxVariable(int32_t value, int32_t defaultOptions, UErrorCode &errorCode); - - MaxVariable getMaxVariable() const { - return (MaxVariable)((options & MAX_VARIABLE_MASK) >> MAX_VARIABLE_SHIFT); - } - - /** - * Include case bits in the tertiary level if caseLevel=off and caseFirst!=off. - */ - static inline UBool isTertiaryWithCaseBits(int32_t options) { - return (options & (CASE_LEVEL | CASE_FIRST)) == CASE_FIRST; - } - static uint32_t getTertiaryMask(int32_t options) { - // Remove the case bits from the tertiary weight when caseLevel is on or caseFirst is off. - return isTertiaryWithCaseBits(options) ? - Collation::CASE_AND_TERTIARY_MASK : Collation::ONLY_TERTIARY_MASK; - } - - static UBool sortsTertiaryUpperCaseFirst(int32_t options) { - // On tertiary level, consider case bits and sort uppercase first - // if caseLevel is off and caseFirst==upperFirst. - return (options & (CASE_LEVEL | CASE_FIRST_AND_UPPER_MASK)) == CASE_FIRST_AND_UPPER_MASK; - } - - inline UBool dontCheckFCD() const { - return (options & CHECK_FCD) == 0; - } - - inline UBool hasBackwardSecondary() const { - return (options & BACKWARD_SECONDARY) != 0; - } - - inline UBool isNumeric() const { - return (options & NUMERIC) != 0; - } - - /** CHECK_FCD etc. */ - int32_t options; - /** Variable-top primary weight. */ - uint32_t variableTop; - /** - * 256-byte table for reordering permutation of primary lead bytes; NULL if no reordering. - * A 0 entry at a non-zero index means that the primary lead byte is "split" - * (there are different offsets for primaries that share that lead byte) - * and the reordering offset must be determined via the reorderRanges. - */ - const uint8_t *reorderTable; - /** Limit of last reordered range. 0 if no reordering or no split bytes. */ - uint32_t minHighNoReorder; - /** - * Primary-weight ranges for script reordering, - * to be used by reorder(p) for split-reordered primary lead bytes. - * - * Each entry is a (limit, offset) pair. - * The upper 16 bits of the entry are the upper 16 bits of the - * exclusive primary limit of a range. - * Primaries between the previous limit and this one have their lead bytes - * modified by the signed offset (-0xff..+0xff) stored in the lower 16 bits. - * - * CollationData::makeReorderRanges() writes a full list where the first range - * (at least for terminators and separators) has a 0 offset. - * The last range has a non-zero offset. - * minHighNoReorder is set to the limit of that last range. - * - * In the settings object, the initial ranges before the first split lead byte - * are omitted for efficiency; they are handled by reorder(p) via the reorderTable. - * If there are no split-reordered lead bytes, then no ranges are needed. - */ - const uint32_t *reorderRanges; - int32_t reorderRangesLength; - /** Array of reorder codes; ignored if reorderCodesLength == 0. */ - const int32_t *reorderCodes; - /** Number of reorder codes; 0 if no reordering. */ - int32_t reorderCodesLength; - /** - * Capacity of reorderCodes. - * If 0, then the codes, the ranges, and the table are aliases. - * Otherwise, this object owns the memory via the reorderCodes pointer; - * the codes, the ranges, and the table are in the same memory block, in that order. - */ - int32_t reorderCodesCapacity; - - /** Options for CollationFastLatin. Negative if disabled. */ - int32_t fastLatinOptions; - uint16_t fastLatinPrimaries[0x180]; - -private: - void setReorderArrays(const int32_t *codes, int32_t codesLength, - const uint32_t *ranges, int32_t rangesLength, - const uint8_t *table, UErrorCode &errorCode); - uint32_t reorderEx(uint32_t p) const; -}; - -U_NAMESPACE_END - -#endif // !UCONFIG_NO_COLLATION -#endif // __COLLATIONSETTINGS_H__ |