1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/ucol_wgt.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,70 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +*
1.7 +* Copyright (C) 1999-2008, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +*******************************************************************************
1.11 +* file name: ucol_wgt.h
1.12 +* encoding: US-ASCII
1.13 +* tab size: 8 (not used)
1.14 +* indentation:4
1.15 +*
1.16 +* created on: 2001mar08
1.17 +* created by: Markus W. Scherer
1.18 +*/
1.19 +
1.20 +#ifndef UCOL_WGT_H
1.21 +#define UCOL_WGT_H
1.22 +
1.23 +#include "unicode/utypes.h"
1.24 +
1.25 +#if !UCONFIG_NO_COLLATION
1.26 +
1.27 +/* definitions for CE weights */
1.28 +
1.29 +typedef struct WeightRange {
1.30 + uint32_t start, end;
1.31 + int32_t length, count;
1.32 + int32_t length2;
1.33 + uint32_t count2;
1.34 +} WeightRange;
1.35 +
1.36 +/**
1.37 + * Determine heuristically
1.38 + * what ranges to use for a given number of weights between (excluding)
1.39 + * two limits.
1.40 + *
1.41 + * @param lowerLimit A collation element weight; the ranges will be filled to cover
1.42 + * weights greater than this one.
1.43 + * @param upperLimit A collation element weight; the ranges will be filled to cover
1.44 + * weights less than this one.
1.45 + * @param n The number of collation element weights w necessary such that
1.46 + * lowerLimit<w<upperLimit in lexical order.
1.47 + * @param maxByte The highest valid byte value.
1.48 + * @param ranges An array that is filled in with one or more ranges to cover
1.49 + * n weights between the limits.
1.50 + * @return number of ranges, 0 if it is not possible to fit n elements between the limits
1.51 + */
1.52 +U_CFUNC int32_t
1.53 +ucol_allocWeights(uint32_t lowerLimit, uint32_t upperLimit,
1.54 + uint32_t n,
1.55 + uint32_t maxByte,
1.56 + WeightRange ranges[7]);
1.57 +
1.58 +/**
1.59 + * Given a set of ranges calculated by ucol_allocWeights(),
1.60 + * iterate through the weights.
1.61 + * The ranges are modified to keep the current iteration state.
1.62 + *
1.63 + * @param ranges The array of ranges that ucol_allocWeights() filled in.
1.64 + * The ranges are modified.
1.65 + * @param pRangeCount The number of ranges. It will be decremented when necessary.
1.66 + * @return The next weight in the ranges, or 0xffffffff if there is none left.
1.67 + */
1.68 +U_CFUNC uint32_t
1.69 +ucol_nextWeight(WeightRange ranges[], int32_t *pRangeCount);
1.70 +
1.71 +#endif /* #if !UCONFIG_NO_COLLATION */
1.72 +
1.73 +#endif
