1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *****************************************************************************************
5 * Copyright (C) 2010-2012, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *****************************************************************************************
8 */
9
10 #include "unicode/utypes.h"
11
12 #if !UCONFIG_NO_FORMATTING
13
14 #include "unicode/upluralrules.h"
15 #include "unicode/plurrule.h"
16 #include "unicode/locid.h"
17 #include "unicode/unistr.h"
18 #include "unicode/unum.h"
19 #include "unicode/numfmt.h"
20
21 U_NAMESPACE_USE
22
23
24 U_CAPI UPluralRules* U_EXPORT2
uplrules_open(const char * locale,UErrorCode * status)25 uplrules_open(const char *locale, UErrorCode *status)
26 {
27 return uplrules_openForType(locale, UPLURAL_TYPE_CARDINAL, status);
28 }
29
30 U_CAPI UPluralRules* U_EXPORT2
uplrules_openForType(const char * locale,UPluralType type,UErrorCode * status)31 uplrules_openForType(const char *locale, UPluralType type, UErrorCode *status)
32 {
33 return (UPluralRules*)PluralRules::forLocale(Locale(locale), type, *status);
34 }
35
36 U_CAPI void U_EXPORT2
uplrules_close(UPluralRules * uplrules)37 uplrules_close(UPluralRules *uplrules)
38 {
39 delete (PluralRules*)uplrules;
40 }
41
42 U_CAPI int32_t U_EXPORT2
uplrules_select(const UPluralRules * uplrules,double number,UChar * keyword,int32_t capacity,UErrorCode * status)43 uplrules_select(const UPluralRules *uplrules,
44 double number,
45 UChar *keyword, int32_t capacity,
46 UErrorCode *status)
47 {
48 if (U_FAILURE(*status)) {
49 return 0;
50 }
51 if (keyword == NULL ? capacity != 0 : capacity < 0) {
52 *status = U_ILLEGAL_ARGUMENT_ERROR;
53 return 0;
54 }
55 UnicodeString result = ((PluralRules*)uplrules)->select(number);
56 return result.extract(keyword, capacity, *status);
57 }
58
59 U_CAPI int32_t U_EXPORT2
uplrules_selectWithFormat(const UPluralRules * uplrules,double number,const UNumberFormat * fmt,UChar * keyword,int32_t capacity,UErrorCode * status)60 uplrules_selectWithFormat(const UPluralRules *uplrules,
61 double number,
62 const UNumberFormat *fmt,
63 UChar *keyword, int32_t capacity,
64 UErrorCode *status)
65 {
66 if (U_FAILURE(*status)) {
67 return 0;
68 }
69 const PluralRules* plrules = reinterpret_cast<const PluralRules*>(uplrules);
70 const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
71 if (plrules == NULL || nf == NULL || ((keyword == NULL)? capacity != 0 : capacity < 0)) {
72 *status = U_ILLEGAL_ARGUMENT_ERROR;
73 return 0;
74 }
75 Formattable obj(number);
76 UnicodeString result = plrules->select(obj, *nf, *status);
77 return result.extract(keyword, capacity, *status);
78 }
79
80 U_CAPI UEnumeration* U_EXPORT2
uplrules_getKeywords(const UPluralRules * uplrules,UErrorCode * status)81 uplrules_getKeywords(const UPluralRules *uplrules,
82 UErrorCode *status)
83 {
84 if (U_FAILURE(*status)) {
85 return NULL;
86 }
87 const PluralRules* plrules = reinterpret_cast<const PluralRules*>(uplrules);
88 if (plrules == NULL) {
89 *status = U_ILLEGAL_ARGUMENT_ERROR;
90 return NULL;
91 }
92 StringEnumeration *senum = plrules->getKeywords(*status);
93 if (U_FAILURE(*status)) {
94 return NULL;
95 }
96 if (senum == NULL) {
97 *status = U_MEMORY_ALLOCATION_ERROR;
98 return NULL;
99 }
100 return uenum_openFromStringEnumeration(senum, status);
101 }
102
103 #endif /* #if !UCONFIG_NO_FORMATTING */
104