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Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/collationweights.h')
-rw-r--r-- | deps/node/deps/icu-small/source/i18n/collationweights.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/collationweights.h b/deps/node/deps/icu-small/source/i18n/collationweights.h deleted file mode 100644 index d8cee79e..00000000 --- a/deps/node/deps/icu-small/source/i18n/collationweights.h +++ /dev/null @@ -1,113 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* -* Copyright (C) 1999-2014, International Business Machines -* Corporation and others. All Rights Reserved. -* -******************************************************************************* -* file name: collationweights.h -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2001mar08 as ucol_wgt.h -* created by: Markus W. Scherer -*/ - -#ifndef __COLLATIONWEIGHTS_H__ -#define __COLLATIONWEIGHTS_H__ - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_COLLATION - -#include "unicode/uobject.h" - -U_NAMESPACE_BEGIN - -/** - * Allocates n collation element weights between two exclusive limits. - * Used only internally by the collation tailoring builder. - */ -class U_I18N_API CollationWeights : public UMemory { -public: - CollationWeights(); - - static inline int32_t lengthOfWeight(uint32_t weight) { - if((weight&0xffffff)==0) { - return 1; - } else if((weight&0xffff)==0) { - return 2; - } else if((weight&0xff)==0) { - return 3; - } else { - return 4; - } - } - - void initForPrimary(UBool compressible); - void initForSecondary(); - void initForTertiary(); - - /** - * Determine heuristically - * what ranges to use for a given number of weights between (excluding) - * two limits. - * - * @param lowerLimit A collation element weight; the ranges will be filled to cover - * weights greater than this one. - * @param upperLimit A collation element weight; the ranges will be filled to cover - * weights less than this one. - * @param n The number of collation element weights w necessary such that - * lowerLimit<w<upperLimit in lexical order. - * @return TRUE if it is possible to fit n elements between the limits - */ - UBool allocWeights(uint32_t lowerLimit, uint32_t upperLimit, int32_t n); - - /** - * Given a set of ranges calculated by allocWeights(), - * iterate through the weights. - * The ranges are modified to keep the current iteration state. - * - * @return The next weight in the ranges, or 0xffffffff if there is none left. - */ - uint32_t nextWeight(); - - /** @internal */ - struct WeightRange { - uint32_t start, end; - int32_t length, count; - }; - -private: - /** @return number of usable byte values for byte idx */ - inline int32_t countBytes(int32_t idx) const { - return (int32_t)(maxBytes[idx] - minBytes[idx] + 1); - } - - uint32_t incWeight(uint32_t weight, int32_t length) const; - uint32_t incWeightByOffset(uint32_t weight, int32_t length, int32_t offset) const; - void lengthenRange(WeightRange &range) const; - /** - * Takes two CE weights and calculates the - * possible ranges of weights between the two limits, excluding them. - * For weights with up to 4 bytes there are up to 2*4-1=7 ranges. - */ - UBool getWeightRanges(uint32_t lowerLimit, uint32_t upperLimit); - UBool allocWeightsInShortRanges(int32_t n, int32_t minLength); - UBool allocWeightsInMinLengthRanges(int32_t n, int32_t minLength); - - int32_t middleLength; - uint32_t minBytes[5]; // for byte 1, 2, 3, 4 - uint32_t maxBytes[5]; - WeightRange ranges[7]; - int32_t rangeIndex; - int32_t rangeCount; -}; - -U_NAMESPACE_END - -#endif // !UCONFIG_NO_COLLATION -#endif // __COLLATIONWEIGHTS_H__ |