icuSources/samples/legacy/newcol.cpp

   1 /*
   2 *******************************************************************************
   3 *
   4 *   © 2016 and later: Unicode, Inc. and others.
   5 *   License & terms of use: http://www.unicode.org/copyright.html#License
   6 *
   7 *******************************************************************************
   8 *******************************************************************************
   9 *
  10 *   Copyright (C) 2001 - 2005, International Business Machines
  11 *   Corporation and others.  All Rights Reserved.
  12 *
  13 *******************************************************************************
  14 *   file name:  newcol.cpp
  15 *   encoding:   UTF-8
  16 *   tab size:   8 (not used)
  17 *   indentation:4
  18 *
  19 *   created on: 2001jul24
  20 *   created by: Vladimir Weinstein
  21 */
  22
  23 /******************************************************************************
  24  * This is the module that uses new collation
  25  ******************************************************************************/
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include "unicode/ucol.h"
  30
  31 // Very simple example code - sticks a sortkey in the buffer
  32 // Not much error checking
  33 int32_t getSortKey_current(const char *locale, const UChar *string, int32_t sLen, uint8_t *buffer, int32_t bLen) {
  34   UErrorCode status = U_ZERO_ERROR;
  35   UCollator *coll = ucol_open(locale, &status);
  36   if(U_FAILURE(status)) {
  37     return -1;
  38   }
  39   int32_t result = ucol_getSortKey(coll, string, sLen, buffer, bLen);
  40   ucol_close(coll);
  41   return result;
  42 }
  43
  44 // This one can be used for passing to qsort function
  45 // Not thread safe or anything
  46 static UCollator *compareCollator = NULL;
  47
  48 int compare_current(const void *string1, const void *string2) {
  49   if(compareCollator != NULL) {
  50     UCollationResult res = ucol_strcoll(compareCollator, (UChar *) string1, -1, (UChar *) string2, -1);
  51     if(res == UCOL_LESS) {
  52       return -1;
  53     } else if(res == UCOL_GREATER) {
  54       return 1;
  55     } else {
  56       return 0;
  57     }
  58   } else {
  59     return 0;
  60   }
  61 }
  62
  63 void initCollator_current(const char *locale) {
  64   UErrorCode status = U_ZERO_ERROR;
  65   compareCollator = ucol_open(locale, &status);
  66 }
  67
  68 void closeCollator_current(void) {
  69   ucol_close(compareCollator);
  70   compareCollator = NULL;
  71 }
  72
  73
  74 extern "C" void test_current(UChar data[][5], uint32_t size, uint32_t maxlen, uint8_t keys[][32]) {
  75   uint32_t i = 0;
  76   int32_t keySize = 0;
  77   UVersionInfo uvi;
  78
  79   u_getVersion(uvi);
  80   fprintf(stderr, "Entered current, version: [%d.%d.%d.%d]\nMoving to sortkeys\n", uvi[0], uvi[1], uvi[2], uvi[3]);
  81
  82   for(i = 0; i<size; i++) {
  83     keySize = getSortKey_current("ja", data[i], -1, keys[i], 32);
  84     fprintf(stderr, "For i=%d, size of sortkey is %d\n", i, keySize);
  85   }
  86
  87   fprintf(stderr, "Done sortkeys, doing qsort test\n");
  88
  89   initCollator_current("ja");
  90   qsort(data, size, maxlen*sizeof(UChar), compare_current);
  91   closeCollator_current();
  92
  93   fprintf(stderr, "Done current!\n");
  94 }
  95
  96