summaryrefslogtreecommitdiff
path: root/deps/node/deps/icu-small/source/i18n/collationweights.h
diff options
context:
space:
mode:
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/collationweights.h')
-rw-r--r--deps/node/deps/icu-small/source/i18n/collationweights.h113
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__