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
getSortKey_legacy(const char * locale,const UChar * string,int32_t sLen,uint8_t * buffer,int32_t bLen)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
compare_legacy(const void * string1,const void * string2)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
initCollator_legacy(const char * locale)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
closeCollator_legacy(void)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
test_legacy(UChar data[][5],uint32_t size,uint32_t maxlen,uint8_t keys[4][32])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
108