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comparison: intl/icu/source/i18n/ucol_wgt.h
intl/icu/source/i18n/ucol_wgt.h
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- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:e8ab799e8e7b |
|---|---|
| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * | |
| 4 * Copyright (C) 1999-2008, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ******************************************************************************* | |
| 8 * file name: ucol_wgt.h | |
| 9 * encoding: US-ASCII | |
| 10 * tab size: 8 (not used) | |
| 11 * indentation:4 | |
| 12 * | |
| 13 * created on: 2001mar08 | |
| 14 * created by: Markus W. Scherer | |
| 15 */ | |
| 16 | |
| 17 #ifndef UCOL_WGT_H | |
| 18 #define UCOL_WGT_H | |
| 19 | |
| 20 #include "unicode/utypes.h" | |
| 21 | |
| 22 #if !UCONFIG_NO_COLLATION | |
| 23 | |
| 24 /* definitions for CE weights */ | |
| 25 | |
| 26 typedef struct WeightRange { | |
| 27 uint32_t start, end; | |
| 28 int32_t length, count; | |
| 29 int32_t length2; | |
| 30 uint32_t count2; | |
| 31 } WeightRange; | |
| 32 | |
| 33 /** | |
| 34 * Determine heuristically | |
| 35 * what ranges to use for a given number of weights between (excluding) | |
| 36 * two limits. | |
| 37 * | |
| 38 * @param lowerLimit A collation element weight; the ranges will be filled to cover | |
| 39 * weights greater than this one. | |
| 40 * @param upperLimit A collation element weight; the ranges will be filled to cover | |
| 41 * weights less than this one. | |
| 42 * @param n The number of collation element weights w necessary such that | |
| 43 * lowerLimit<w<upperLimit in lexical order. | |
| 44 * @param maxByte The highest valid byte value. | |
| 45 * @param ranges An array that is filled in with one or more ranges to cover | |
| 46 * n weights between the limits. | |
| 47 * @return number of ranges, 0 if it is not possible to fit n elements between the limits | |
| 48 */ | |
| 49 U_CFUNC int32_t | |
| 50 ucol_allocWeights(uint32_t lowerLimit, uint32_t upperLimit, | |
| 51 uint32_t n, | |
| 52 uint32_t maxByte, | |
| 53 WeightRange ranges[7]); | |
| 54 | |
| 55 /** | |
| 56 * Given a set of ranges calculated by ucol_allocWeights(), | |
| 57 * iterate through the weights. | |
| 58 * The ranges are modified to keep the current iteration state. | |
| 59 * | |
| 60 * @param ranges The array of ranges that ucol_allocWeights() filled in. | |
| 61 * The ranges are modified. | |
| 62 * @param pRangeCount The number of ranges. It will be decremented when necessary. | |
| 63 * @return The next weight in the ranges, or 0xffffffff if there is none left. | |
| 64 */ | |
| 65 U_CFUNC uint32_t | |
| 66 ucol_nextWeight(WeightRange ranges[], int32_t *pRangeCount); | |
| 67 | |
| 68 #endif /* #if !UCONFIG_NO_COLLATION */ | |
| 69 | |
| 70 #endif |
