1 // © 2018 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3
4 #include "unicode/utypes.h"
5
6 #if !UCONFIG_NO_FORMATTING
7
8 // Allow implicit conversion from char16_t* to UnicodeString for this file:
9 // Helpful in toString methods and elsewhere.
10 #define UNISTR_FROM_STRING_EXPLICIT
11
12 #include "numparse_types.h"
13 #include "number_currencysymbols.h"
14
15 using namespace icu;
16 using namespace icu::number;
17 using namespace icu::number::impl;
18
19
CurrencySymbols(CurrencyUnit currency,const Locale & locale,UErrorCode & status)20 CurrencySymbols::CurrencySymbols(CurrencyUnit currency, const Locale& locale, UErrorCode& status)
21 : fCurrency(currency), fLocaleName(locale.getName(), status) {
22 fCurrencySymbol.setToBogus();
23 fIntlCurrencySymbol.setToBogus();
24 }
25
CurrencySymbols(CurrencyUnit currency,const Locale & locale,const DecimalFormatSymbols & symbols,UErrorCode & status)26 CurrencySymbols::CurrencySymbols(CurrencyUnit currency, const Locale& locale,
27 const DecimalFormatSymbols& symbols, UErrorCode& status)
28 : CurrencySymbols(currency, locale, status) {
29 // If either of the overrides is present, save it in the local UnicodeString.
30 if (symbols.isCustomCurrencySymbol()) {
31 fCurrencySymbol = symbols.getConstSymbol(DecimalFormatSymbols::kCurrencySymbol);
32 }
33 if (symbols.isCustomIntlCurrencySymbol()) {
34 fIntlCurrencySymbol = symbols.getConstSymbol(DecimalFormatSymbols::kIntlCurrencySymbol);
35 }
36 }
37
getIsoCode() const38 const char16_t* CurrencySymbols::getIsoCode() const {
39 return fCurrency.getISOCurrency();
40 }
41
getNarrowCurrencySymbol(UErrorCode & status) const42 UnicodeString CurrencySymbols::getNarrowCurrencySymbol(UErrorCode& status) const {
43 // Note: currently no override is available for narrow currency symbol
44 return loadSymbol(UCURR_NARROW_SYMBOL_NAME, status);
45 }
46
getCurrencySymbol(UErrorCode & status) const47 UnicodeString CurrencySymbols::getCurrencySymbol(UErrorCode& status) const {
48 if (!fCurrencySymbol.isBogus()) {
49 return fCurrencySymbol;
50 }
51 return loadSymbol(UCURR_SYMBOL_NAME, status);
52 }
53
loadSymbol(UCurrNameStyle selector,UErrorCode & status) const54 UnicodeString CurrencySymbols::loadSymbol(UCurrNameStyle selector, UErrorCode& status) const {
55 const char16_t* isoCode = fCurrency.getISOCurrency();
56 UBool ignoredIsChoiceFormatFillIn = FALSE;
57 int32_t symbolLen = 0;
58 const char16_t* symbol = ucurr_getName(
59 isoCode,
60 fLocaleName.data(),
61 selector,
62 &ignoredIsChoiceFormatFillIn,
63 &symbolLen,
64 &status);
65 // If given an unknown currency, ucurr_getName returns the input string, which we can't alias safely!
66 // Otherwise, symbol points to a resource bundle, and we can use readonly-aliasing constructor.
67 if (symbol == isoCode) {
68 return UnicodeString(isoCode, 3);
69 } else {
70 return UnicodeString(TRUE, symbol, symbolLen);
71 }
72 }
73
getIntlCurrencySymbol(UErrorCode &) const74 UnicodeString CurrencySymbols::getIntlCurrencySymbol(UErrorCode&) const {
75 if (!fIntlCurrencySymbol.isBogus()) {
76 return fIntlCurrencySymbol;
77 }
78 // Note: Not safe to use readonly-aliasing constructor here because the buffer belongs to this object,
79 // which could be destructed or moved during the lifetime of the return value.
80 return UnicodeString(fCurrency.getISOCurrency(), 3);
81 }
82
getPluralName(StandardPlural::Form plural,UErrorCode & status) const83 UnicodeString CurrencySymbols::getPluralName(StandardPlural::Form plural, UErrorCode& status) const {
84 const char16_t* isoCode = fCurrency.getISOCurrency();
85 UBool isChoiceFormat = FALSE;
86 int32_t symbolLen = 0;
87 const char16_t* symbol = ucurr_getPluralName(
88 isoCode,
89 fLocaleName.data(),
90 &isChoiceFormat,
91 StandardPlural::getKeyword(plural),
92 &symbolLen,
93 &status);
94 // If given an unknown currency, ucurr_getName returns the input string, which we can't alias safely!
95 // Otherwise, symbol points to a resource bundle, and we can use readonly-aliasing constructor.
96 if (symbol == isoCode) {
97 return UnicodeString(isoCode, 3);
98 } else {
99 return UnicodeString(TRUE, symbol, symbolLen);
100 }
101 }
102
103
104 CurrencyUnit
resolveCurrency(const DecimalFormatProperties & properties,const Locale & locale,UErrorCode & status)105 icu::number::impl::resolveCurrency(const DecimalFormatProperties& properties, const Locale& locale,
106 UErrorCode& status) {
107 if (!properties.currency.isNull()) {
108 return properties.currency.getNoError();
109 } else {
110 UErrorCode localStatus = U_ZERO_ERROR;
111 char16_t buf[4] = {};
112 ucurr_forLocale(locale.getName(), buf, 4, &localStatus);
113 if (U_SUCCESS(localStatus)) {
114 return CurrencyUnit(buf, status);
115 } else {
116 // Default currency (XXX)
117 return CurrencyUnit();
118 }
119 }
120 }
121
122
123 #endif /* #if !UCONFIG_NO_FORMATTING */
124