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
28int32_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
41static UCollator *compareCollator = NULL;
42
43int 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
58void 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
71void 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
84extern "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
108