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File Content: `oldcol.cpp`

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 *******************************************************************************
 *
 *   Copyright (C) 2001-2005, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  oldcol.cpp
 *   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 2001jul24
 *   created by: Vladimir Weinstein
 */

/******************************************************************************
 * This is the module that uses old collation
 ******************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unicode/putil.h>
#include <unicode/ucol.h>

// Very simple example code - sticks a sortkey in the buffer
// Not much error checking
int32_t getSortKey_legacy(const char *locale, const UChar *string, int32_t sLen, uint8_t *buffer, int32_t bLen) {
  UErrorCode status = U_ZERO_ERROR;
  UCollator *coll = ucol_open(locale, &status);
  if(U_FAILURE(status)) {
    return -1;
  }
  int32_t result = ucol_getSortKey(coll, string, sLen, buffer, bLen);
  ucol_close(coll);
  return result;  
}

// This one can be used for passing to qsort function
// Not thread safe or anything
static UCollator *compareCollator = NULL;

int compare_legacy(const void *string1, const void *string2) {
  if(compareCollator != NULL) {
    UCollationResult res = ucol_strcoll(compareCollator, (UChar *) string1, -1, (UChar *) string2, -1);
    if(res == UCOL_LESS) {
      return -1;
    } else if(res == UCOL_GREATER) {
      return 1;
    } else {
      return 0;
    }
  } else {
    return 0;
  }
}

void initCollator_legacy(const char *locale) {
  UErrorCode status = U_ZERO_ERROR;
  compareCollator = ucol_open(locale, &status);
  
  if(U_FAILURE(status))
  {
    fprintf(stderr, "initCollator_legacy(%s): error opening collator, %s!\n", locale, u_errorName(status));
    fprintf(stderr, "Note: ICU data directory is %s\n", u_getDataDirectory());
    fprintf(stderr, "Read the README!\n");
    exit(0);
  }
}

void closeCollator_legacy(void) {
  if(compareCollator != NULL)
  {
    ucol_close(compareCollator);
  }
  else
  {
    fprintf(stderr, "closeCollator_legacy(): collator was already NULL!\n");
  }
  compareCollator = NULL;
}


extern "C" void test_legacy(UChar data[][5], uint32_t size, uint32_t maxlen, uint8_t keys[4][32]) {
  uint32_t i = 0;
  int32_t keySize = 0;

  UVersionInfo uvi;

  u_getVersion(uvi);
  fprintf(stderr, "Entered legacy, version: [%d.%d.%d.%d]\nMoving to sortkeys\n", uvi[0], uvi[1], uvi[2], uvi[3]);

  for(i = 0; i<size; i++) {
    keySize = getSortKey_legacy("ja", data[i], -1, keys[i], 32);
    fprintf(stderr, "For i=%d, size of sortkey is %d\n", i, keySize);
  }

  fprintf(stderr, "Done sortkeys, doing qsort test\n");

  initCollator_legacy("ja");
  qsort(data, size, maxlen*sizeof(UChar), compare_legacy);
  closeCollator_legacy();

  fprintf(stderr, "Done legacy!\n");
}
Name	Size	Permission
Makefile	2290 bytes	0644
README	3529 bytes	0644
legacy.cpp	3109 bytes	0644
legacy.sln	1277 bytes	0644
legacy.vcxproj	14584 bytes	0644
legacy.vcxproj.filters	1061 bytes	0644
newcol.cpp	2859 bytes	0644
oldcol.cpp	3303 bytes	0644
File Content: oldcol.cpp

File Content: `oldcol.cpp`
