icuSources/samples/legacy/newcol.cpp

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