icuSources/samples/legacy/oldcol.cpp

   1 /*
   2  *******************************************************************************
   3  *
   4  *   Copyright (C) 2001-2005, International Business Machines
   5  *   Corporation and others.  All Rights Reserved.
   6  *
   7  *******************************************************************************
   8  *   file name:  oldcol.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 old collation
  19  ******************************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unicode/putil.h>
  24 #include <unicode/ucol.h>
  25
  26 // Very simple example code - sticks a sortkey in the buffer
  27 // Not much error checking
  28 int32_t getSortKey_legacy(const char *locale, const UChar *string, int32_t sLen, uint8_t *buffer, int32_t bLen) {
  29   UErrorCode status = U_ZERO_ERROR;
  30   UCollator *coll = ucol_open(locale, &status);
  31   if(U_FAILURE(status)) {
  32     return -1;
  33   }
  34   int32_t result = ucol_getSortKey(coll, string, sLen, buffer, bLen);
  35   ucol_close(coll);
  36   return result;
  37 }
  38
  39 // This one can be used for passing to qsort function
  40 // Not thread safe or anything
  41 static UCollator *compareCollator = NULL;
  42
  43 int compare_legacy(const void *string1, const void *string2) {
  44   if(compareCollator != NULL) {
  45     UCollationResult res = ucol_strcoll(compareCollator, (UChar *) string1, -1, (UChar *) string2, -1);
  46     if(res == UCOL_LESS) {
  47       return -1;
  48     } else if(res == UCOL_GREATER) {
  49       return 1;
  50     } else {
  51       return 0;
  52     }
  53   } else {
  54     return 0;
  55   }
  56 }
  57
  58 void initCollator_legacy(const char *locale) {
  59   UErrorCode status = U_ZERO_ERROR;
  60   compareCollator = ucol_open(locale, &status);
  61
  62   if(U_FAILURE(status))
  63   {
  64     fprintf(stderr, "initCollator_legacy(%s): error opening collator, %s!\n", locale, u_errorName(status));
  65     fprintf(stderr, "Note: ICU data directory is %s\n", u_getDataDirectory());
  66     fprintf(stderr, "Read the README!\n");
  67     exit(0);
  68   }
  69 }
  70
  71 void closeCollator_legacy(void) {
  72   if(compareCollator != NULL)
  73   {
  74     ucol_close(compareCollator);
  75   }
  76   else
  77   {
  78     fprintf(stderr, "closeCollator_legacy(): collator was already NULL!\n");
  79   }
  80   compareCollator = NULL;
  81 }
  82
  83
  84 extern "C" void test_legacy(UChar data[][5], uint32_t size, uint32_t maxlen, uint8_t keys[4][32]) {
  85   uint32_t i = 0;
  86   int32_t keySize = 0;
  87
  88   UVersionInfo uvi;
  89
  90   u_getVersion(uvi);
  91   fprintf(stderr, "Entered legacy, version: [%d.%d.%d.%d]\nMoving to sortkeys\n", uvi[0], uvi[1], uvi[2], uvi[3]);
  92
  93   for(i = 0; i<size; i++) {
  94     keySize = getSortKey_legacy("ja", data[i], -1, keys[i], 32);
  95     fprintf(stderr, "For i=%d, size of sortkey is %d\n", i, keySize);
  96   }
  97
  98   fprintf(stderr, "Done sortkeys, doing qsort test\n");
  99
 100   initCollator_legacy("ja");
 101   qsort(data, size, maxlen*sizeof(UChar), compare_legacy);
 102   closeCollator_legacy();
 103
 104   fprintf(stderr, "Done legacy!\n");
 105 }
 106
 107