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