| /* |

| ******************************************************************************* |

| * |

| * Copyright (C) 1999-2008, International Business Machines |

| * Corporation and others. All Rights Reserved. |

| * |

| ******************************************************************************* |

| * file name: ucol_wgt.h |

| * encoding: US-ASCII |

| * tab size: 8 (not used) |

| * indentation:4 |

| * |

| * created on: 2001mar08 |

| * created by: Markus W. Scherer |

| */ |

| |

| #ifndef UCOL_WGT_H |

| #define UCOL_WGT_H |

| |

| #include "unicode/utypes.h" |

| |

| #if !UCONFIG_NO_COLLATION |

| |

| /* definitions for CE weights */ |

| |

| typedef struct WeightRange { |

| uint32_t start, end; |

| int32_t length, count; |

| int32_t length2; |

| uint32_t count2; |

| } WeightRange; |

| |

| /** |

| * 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. |

| * @param maxByte The highest valid byte value. |

| * @param ranges An array that is filled in with one or more ranges to cover |

| * n weights between the limits. |

| * @return number of ranges, 0 if it is not possible to fit n elements between the limits |

| */ |

| U_CFUNC int32_t |

| ucol_allocWeights(uint32_t lowerLimit, uint32_t upperLimit, |

| uint32_t n, |

| uint32_t maxByte, |

| WeightRange ranges[7]); |

| |

| /** |

| * Given a set of ranges calculated by ucol_allocWeights(), |

| * iterate through the weights. |

| * The ranges are modified to keep the current iteration state. |

| * |

| * @param ranges The array of ranges that ucol_allocWeights() filled in. |

| * The ranges are modified. |

| * @param pRangeCount The number of ranges. It will be decremented when necessary. |

| * @return The next weight in the ranges, or 0xffffffff if there is none left. |

| */ |

| U_CFUNC uint32_t |

| ucol_nextWeight(WeightRange ranges[], int32_t *pRangeCount); |

| |

| #endif /* #if !UCONFIG_NO_COLLATION */ |

| |

| #endif |