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// © 2016 and later: Unicode, Inc. and others.
/*
*******************************************************************************
* Copyright (C) 1997-2016, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*
* File DCFMTSYM.CPP
*
* Modification History:
*
* Date Name Description
* 02/19/97 aliu Converted from java.
* 03/18/97 clhuang Implemented with C++ APIs.
* 03/27/97 helena Updated to pass the simple test after code review.
* 08/26/97 aliu Added currency/intl currency symbol support.
* 07/20/98 stephen Slightly modified initialization of monetarySeparator
********************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/dcfmtsym.h"
#include "unicode/ures.h"
#include "unicode/decimfmt.h"
#include "unicode/ucurr.h"
#include "unicode/choicfmt.h"
#include "unicode/unistr.h"
#include "unicode/numsys.h"
#include "unicode/unum.h"
#include "unicode/utf16.h"
#include "ucurrimp.h"
#include "cstring.h"
#include "locbased.h"
#include "uresimp.h"
#include "ureslocs.h"
#include "charstr.h"
#include "uassert.h"
// *****************************************************************************
// class DecimalFormatSymbols
// *****************************************************************************
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
static const char gNumberElements[] = "NumberElements";
static const char gCurrencySpacingTag[] = "currencySpacing";
static const char gBeforeCurrencyTag[] = "beforeCurrency";
static const char gAfterCurrencyTag[] = "afterCurrency";
static const char gCurrencyMatchTag[] = "currencyMatch";
static const char gCurrencySudMatchTag[] = "surroundingMatch";
static const char gCurrencyInsertBtnTag[] = "insertBetween";
static const char gLatn[] = "latn";
static const char gSymbols[] = "symbols";
static const char gNumberElementsLatnSymbols[] = "NumberElements/latn/symbols";
static const char16_t INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
// List of field names to be loaded from the data files.
// These are parallel with the enum ENumberFormatSymbol in unicode/dcfmtsym.h.
static const char *gNumberElementKeys[DecimalFormatSymbols::kFormatSymbolCount] = {
"decimal",
"group",
nullptr, /* #11897: the <list> symbol is NOT the pattern separator symbol */
"percentSign",
nullptr, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
nullptr, /* Pattern digit character is deprecated from CLDR - use # by default always */
"minusSign",
"plusSign",
nullptr, /* currency symbol - Wait until we know the currency before loading from CLDR */
nullptr, /* intl currency symbol - Wait until we know the currency before loading from CLDR */
"currencyDecimal",
"exponential",
"perMille",
nullptr, /* Escape padding character - not in CLDR */
"infinity",
"nan",
nullptr, /* Significant digit symbol - not in CLDR */
"currencyGroup",
nullptr, /* one digit - get it from the numbering system */
nullptr, /* two digit - get it from the numbering system */
nullptr, /* three digit - get it from the numbering system */
nullptr, /* four digit - get it from the numbering system */
nullptr, /* five digit - get it from the numbering system */
nullptr, /* six digit - get it from the numbering system */
nullptr, /* seven digit - get it from the numbering system */
nullptr, /* eight digit - get it from the numbering system */
nullptr, /* nine digit - get it from the numbering system */
"superscriptingExponent", /* Multiplication (x) symbol for exponents */
"approximatelySign" /* Approximately sign symbol */
};
// -------------------------------------
// Initializes this with the decimal format symbols in the default locale.
DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
: UObject(), locale() {
initialize(locale, status, true);
}
// -------------------------------------
// Initializes this with the decimal format symbols in the desired locale.
DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
: UObject(), locale(loc) {
initialize(locale, status);
}
DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, const NumberingSystem& ns, UErrorCode& status)
: UObject(), locale(loc) {
initialize(locale, status, false, &ns);
}
DecimalFormatSymbols::DecimalFormatSymbols()
: UObject(), locale(Locale::getRoot()) {
*validLocale = *actualLocale = 0;
initialize();
}
DecimalFormatSymbols*
DecimalFormatSymbols::createWithLastResortData(UErrorCode& status) {
if (U_FAILURE(status)) { return nullptr; }
DecimalFormatSymbols* sym = new DecimalFormatSymbols();
if (sym == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
}
return sym;
}
// -------------------------------------
DecimalFormatSymbols::~DecimalFormatSymbols()
{
}
// -------------------------------------
// copy constructor
DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
: UObject(source)
{
*this = source;
}
// -------------------------------------
// assignment operator
DecimalFormatSymbols&
DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
{
if (this != &rhs) {
for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
// fastCopyFrom is safe, see docs on fSymbols
fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
}
for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
}
locale = rhs.locale;
uprv_strcpy(validLocale, rhs.validLocale);
uprv_strcpy(actualLocale, rhs.actualLocale);
fIsCustomCurrencySymbol = rhs.fIsCustomCurrencySymbol;
fIsCustomIntlCurrencySymbol = rhs.fIsCustomIntlCurrencySymbol;
fCodePointZero = rhs.fCodePointZero;
currPattern = rhs.currPattern;
uprv_strcpy(nsName, rhs.nsName);
}
return *this;
}
// -------------------------------------
bool
DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
{
if (this == &that) {
return true;
}
if (fIsCustomCurrencySymbol != that.fIsCustomCurrencySymbol) {
return false;
}
if (fIsCustomIntlCurrencySymbol != that.fIsCustomIntlCurrencySymbol) {
return false;
}
for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
return false;
}
}
for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
return false;
}
if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
return false;
}
}
// No need to check fCodePointZero since it is based on fSymbols
return locale == that.locale &&
uprv_strcmp(validLocale, that.validLocale) == 0 &&
uprv_strcmp(actualLocale, that.actualLocale) == 0;
}
// -------------------------------------
namespace {
/**
* Sink for enumerating all of the decimal format symbols (more specifically, anything
* under the "NumberElements.symbols" tree).
*
* More specific bundles (en_GB) are enumerated before their parents (en_001, en, root):
* Only store a value if it is still missing, that is, it has not been overridden.
*/
struct DecFmtSymDataSink : public ResourceSink {
// Destination for data, modified via setters.
DecimalFormatSymbols& dfs;
// Boolean array of whether or not we have seen a particular symbol yet.
// Can't simply check fSymbols because it is pre-populated with defaults.
UBool seenSymbol[DecimalFormatSymbols::kFormatSymbolCount];
// Constructor/Destructor
DecFmtSymDataSink(DecimalFormatSymbols& _dfs) : dfs(_dfs) {
uprv_memset(seenSymbol, false, sizeof(seenSymbol));
}
virtual ~DecFmtSymDataSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
ResourceTable symbolsTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int32_t j = 0; symbolsTable.getKeyAndValue(j, key, value); ++j) {
for (int32_t i=0; i<DecimalFormatSymbols::kFormatSymbolCount; i++) {
if (gNumberElementKeys[i] != nullptr && uprv_strcmp(key, gNumberElementKeys[i]) == 0) {
if (!seenSymbol[i]) {
seenSymbol[i] = true;
dfs.setSymbol(
(DecimalFormatSymbols::ENumberFormatSymbol) i,
value.getUnicodeString(errorCode));
if (U_FAILURE(errorCode)) { return; }
}
break;
}
}
}
}
// Returns true if all the symbols have been seen.
UBool seenAll() {
for (int32_t i=0; i<DecimalFormatSymbols::kFormatSymbolCount; i++) {
if (!seenSymbol[i]) {
return false;
}
}
return true;
}
// If monetary decimal or grouping were not explicitly set, then set them to be the
// same as their non-monetary counterparts.
void resolveMissingMonetarySeparators(const UnicodeString* fSymbols) {
if (!seenSymbol[DecimalFormatSymbols::kMonetarySeparatorSymbol]) {
dfs.setSymbol(
DecimalFormatSymbols::kMonetarySeparatorSymbol,
fSymbols[DecimalFormatSymbols::kDecimalSeparatorSymbol]);
}
if (!seenSymbol[DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol]) {
dfs.setSymbol(
DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol,
fSymbols[DecimalFormatSymbols::kGroupingSeparatorSymbol]);
}
}
};
struct CurrencySpacingSink : public ResourceSink {
DecimalFormatSymbols& dfs;
UBool hasBeforeCurrency;
UBool hasAfterCurrency;
CurrencySpacingSink(DecimalFormatSymbols& _dfs)
: dfs(_dfs), hasBeforeCurrency(false), hasAfterCurrency(false) {}
virtual ~CurrencySpacingSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
ResourceTable spacingTypesTable = value.getTable(errorCode);
for (int32_t i = 0; spacingTypesTable.getKeyAndValue(i, key, value); ++i) {
UBool beforeCurrency;
if (uprv_strcmp(key, gBeforeCurrencyTag) == 0) {
beforeCurrency = true;
hasBeforeCurrency = true;
} else if (uprv_strcmp(key, gAfterCurrencyTag) == 0) {
beforeCurrency = false;
hasAfterCurrency = true;
} else {
continue;
}
ResourceTable patternsTable = value.getTable(errorCode);
for (int32_t j = 0; patternsTable.getKeyAndValue(j, key, value); ++j) {
UCurrencySpacing pattern;
if (uprv_strcmp(key, gCurrencyMatchTag) == 0) {
pattern = UNUM_CURRENCY_MATCH;
} else if (uprv_strcmp(key, gCurrencySudMatchTag) == 0) {
pattern = UNUM_CURRENCY_SURROUNDING_MATCH;
} else if (uprv_strcmp(key, gCurrencyInsertBtnTag) == 0) {
pattern = UNUM_CURRENCY_INSERT;
} else {
continue;
}
const UnicodeString& current = dfs.getPatternForCurrencySpacing(
pattern, beforeCurrency, errorCode);
if (current.isEmpty()) {
dfs.setPatternForCurrencySpacing(
pattern, beforeCurrency, value.getUnicodeString(errorCode));
}
}
}
}
void resolveMissing() {
// For consistency with Java, this method overwrites everything with the defaults unless
// both beforeCurrency and afterCurrency were found in CLDR.
static const char* defaults[] = { "[:letter:]", "[:digit:]", " " };
if (!hasBeforeCurrency || !hasAfterCurrency) {
for (int32_t pattern = 0; pattern < UNUM_CURRENCY_SPACING_COUNT; pattern++) {
dfs.setPatternForCurrencySpacing((UCurrencySpacing)pattern,
false, UnicodeString(defaults[pattern], -1, US_INV));
}
for (int32_t pattern = 0; pattern < UNUM_CURRENCY_SPACING_COUNT; pattern++) {
dfs.setPatternForCurrencySpacing((UCurrencySpacing)pattern,
true, UnicodeString(defaults[pattern], -1, US_INV));
}
}
}
};
// Virtual destructors must be defined out of line.
DecFmtSymDataSink::~DecFmtSymDataSink() {}
CurrencySpacingSink::~CurrencySpacingSink() {}
} // namespace
void
DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status,
UBool useLastResortData, const NumberingSystem* ns)
{
if (U_FAILURE(status)) { return; }
*validLocale = *actualLocale = 0;
// First initialize all the symbols to the fallbacks for anything we can't find
initialize();
//
// Next get the numbering system for this locale and set zero digit
// and the digit string based on the numbering system for the locale
//
LocalPointer<NumberingSystem> nsLocal;
if (ns == nullptr) {
// Use the numbering system according to the locale.
// Save it into a LocalPointer so it gets cleaned up.
nsLocal.adoptInstead(NumberingSystem::createInstance(loc, status));
ns = nsLocal.getAlias();
}
const char *nsName;
if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
nsName = ns->getName();
UnicodeString digitString(ns->getDescription());
int32_t digitIndex = 0;
UChar32 digit = digitString.char32At(0);
fSymbols[kZeroDigitSymbol].setTo(digit);
for (int32_t i = kOneDigitSymbol; i <= kNineDigitSymbol; ++i) {
digitIndex += U16_LENGTH(digit);
digit = digitString.char32At(digitIndex);
fSymbols[i].setTo(digit);
}
} else {
nsName = gLatn;
}
uprv_strcpy(this->nsName, nsName);
// Open resource bundles
const char* locStr = loc.getName();
LocalUResourceBundlePointer resource(ures_open(nullptr, locStr, &status));
LocalUResourceBundlePointer numberElementsRes(
ures_getByKeyWithFallback(resource.getAlias(), gNumberElements, nullptr, &status));
if (U_FAILURE(status)) {
if ( useLastResortData ) {
status = U_USING_DEFAULT_WARNING;
initialize();
}
return;
}
// Set locale IDs
// TODO: Is there a way to do this without depending on the resource bundle instance?
U_LOCALE_BASED(locBased, *this);
locBased.setLocaleIDs(
ures_getLocaleByType(
numberElementsRes.getAlias(),
ULOC_VALID_LOCALE, &status),
ures_getLocaleByType(
numberElementsRes.getAlias(),
ULOC_ACTUAL_LOCALE, &status));
// Now load the rest of the data from the data sink.
// Start with loading this nsName if it is not Latin.
DecFmtSymDataSink sink(*this);
if (uprv_strcmp(nsName, gLatn) != 0) {
CharString path;
path.append(gNumberElements, status)
.append('/', status)
.append(nsName, status)
.append('/', status)
.append(gSymbols, status);
ures_getAllItemsWithFallback(resource.getAlias(), path.data(), sink, status);
// If no symbols exist for the given nsName and resource bundle, silently ignore
// and fall back to Latin.
if (status == U_MISSING_RESOURCE_ERROR) {
status = U_ZERO_ERROR;
} else if (U_FAILURE(status)) {
return;
}
}
// Continue with Latin if necessary.
if (!sink.seenAll()) {
ures_getAllItemsWithFallback(resource.getAlias(), gNumberElementsLatnSymbols, sink, status);
if (U_FAILURE(status)) { return; }
}
// Let the monetary number separators equal the default number separators if necessary.
sink.resolveMissingMonetarySeparators(fSymbols);
// Resolve codePointZero
UChar32 tempCodePointZero = -1;
for (int32_t i=0; i<=9; i++) {
const UnicodeString& stringDigit = getConstDigitSymbol(i);
if (stringDigit.countChar32() != 1) {
tempCodePointZero = -1;
break;
}
UChar32 cp = stringDigit.char32At(0);
if (i == 0) {
tempCodePointZero = cp;
} else if (cp != tempCodePointZero + i) {
tempCodePointZero = -1;
break;
}
}
fCodePointZero = tempCodePointZero;
// Get the default currency from the currency API.
UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
char16_t curriso[4];
UnicodeString tempStr;
int32_t currisoLength = ucurr_forLocale(locStr, curriso, UPRV_LENGTHOF(curriso), &internalStatus);
if (U_SUCCESS(internalStatus) && currisoLength == 3) {
setCurrency(curriso, status);
} else {
setCurrency(nullptr, status);
}
// Currency Spacing.
LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &status));
CurrencySpacingSink currencySink(*this);
ures_getAllItemsWithFallback(currencyResource.getAlias(), gCurrencySpacingTag, currencySink, status);
currencySink.resolveMissing();
if (U_FAILURE(status)) { return; }
}
void
DecimalFormatSymbols::initialize() {
/*
* These strings used to be in static arrays, but the HP/UX aCC compiler
* cannot initialize a static array with class constructors.
* markus 2000may25
*/
fSymbols[kDecimalSeparatorSymbol] = (char16_t)0x2e; // '.' decimal separator
fSymbols[kGroupingSeparatorSymbol].remove(); // group (thousands) separator
fSymbols[kPatternSeparatorSymbol] = (char16_t)0x3b; // ';' pattern separator
fSymbols[kPercentSymbol] = (char16_t)0x25; // '%' percent sign
fSymbols[kZeroDigitSymbol] = (char16_t)0x30; // '0' native 0 digit
fSymbols[kOneDigitSymbol] = (char16_t)0x31; // '1' native 1 digit
fSymbols[kTwoDigitSymbol] = (char16_t)0x32; // '2' native 2 digit
fSymbols[kThreeDigitSymbol] = (char16_t)0x33; // '3' native 3 digit
fSymbols[kFourDigitSymbol] = (char16_t)0x34; // '4' native 4 digit
fSymbols[kFiveDigitSymbol] = (char16_t)0x35; // '5' native 5 digit
fSymbols[kSixDigitSymbol] = (char16_t)0x36; // '6' native 6 digit
fSymbols[kSevenDigitSymbol] = (char16_t)0x37; // '7' native 7 digit
fSymbols[kEightDigitSymbol] = (char16_t)0x38; // '8' native 8 digit
fSymbols[kNineDigitSymbol] = (char16_t)0x39; // '9' native 9 digit
fSymbols[kDigitSymbol] = (char16_t)0x23; // '#' pattern digit
fSymbols[kPlusSignSymbol] = (char16_t)0x002b; // '+' plus sign
fSymbols[kMinusSignSymbol] = (char16_t)0x2d; // '-' minus sign
fSymbols[kCurrencySymbol] = (char16_t)0xa4; // 'OX' currency symbol
fSymbols[kIntlCurrencySymbol].setTo(true, INTL_CURRENCY_SYMBOL_STR, 2);
fSymbols[kMonetarySeparatorSymbol] = (char16_t)0x2e; // '.' monetary decimal separator
fSymbols[kExponentialSymbol] = (char16_t)0x45; // 'E' exponential
fSymbols[kPerMillSymbol] = (char16_t)0x2030; // '%o' per mill
fSymbols[kPadEscapeSymbol] = (char16_t)0x2a; // '*' pad escape symbol
fSymbols[kInfinitySymbol] = (char16_t)0x221e; // 'oo' infinite
fSymbols[kNaNSymbol] = (char16_t)0xfffd; // SUB NaN
fSymbols[kSignificantDigitSymbol] = (char16_t)0x0040; // '@' significant digit
fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
fSymbols[kExponentMultiplicationSymbol] = (char16_t)0xd7; // 'x' multiplication symbol for exponents
fSymbols[kApproximatelySignSymbol] = u'~'; // '~' approximately sign
fIsCustomCurrencySymbol = false;
fIsCustomIntlCurrencySymbol = false;
fCodePointZero = 0x30;
U_ASSERT(fCodePointZero == fSymbols[kZeroDigitSymbol].char32At(0));
currPattern = nullptr;
nsName[0] = 0;
}
void DecimalFormatSymbols::setCurrency(const char16_t* currency, UErrorCode& status) {
// TODO: If this method is made public:
// - Adopt ICU4J behavior of not allowing currency to be null.
// - Also verify that the length of currency is 3.
if (!currency) {
return;
}
UnicodeString tempStr;
uprv_getStaticCurrencyName(currency, locale.getName(), tempStr, status);
if (U_SUCCESS(status)) {
fSymbols[kIntlCurrencySymbol].setTo(currency, 3);
fSymbols[kCurrencySymbol] = tempStr;
}
char cc[4]={0};
u_UCharsToChars(currency, cc, 3);
/* An explicit currency was requested */
// TODO(ICU-13297): Move this data loading logic into a centralized place
UErrorCode localStatus = U_ZERO_ERROR;
LocalUResourceBundlePointer rbTop(ures_open(U_ICUDATA_CURR, locale.getName(), &localStatus));
LocalUResourceBundlePointer rb(
ures_getByKeyWithFallback(rbTop.getAlias(), "Currencies", nullptr, &localStatus));
ures_getByKeyWithFallback(rb.getAlias(), cc, rb.getAlias(), &localStatus);
if(U_SUCCESS(localStatus) && ures_getSize(rb.getAlias())>2) { // the length is 3 if more data is present
ures_getByIndex(rb.getAlias(), 2, rb.getAlias(), &localStatus);
int32_t currPatternLen = 0;
currPattern =
ures_getStringByIndex(rb.getAlias(), (int32_t)0, &currPatternLen, &localStatus);
UnicodeString decimalSep =
ures_getUnicodeStringByIndex(rb.getAlias(), (int32_t)1, &localStatus);
UnicodeString groupingSep =
ures_getUnicodeStringByIndex(rb.getAlias(), (int32_t)2, &localStatus);
if(U_SUCCESS(localStatus)){
fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
fSymbols[kMonetarySeparatorSymbol] = decimalSep;
//pattern.setTo(true, currPattern, currPatternLen);
}
}
/* else An explicit currency was requested and is unknown or locale data is malformed. */
/* ucurr_* API will get the correct value later on. */
}
Locale
DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
U_LOCALE_BASED(locBased, *this);
return locBased.getLocale(type, status);
}
const UnicodeString&
DecimalFormatSymbols::getPatternForCurrencySpacing(UCurrencySpacing type,
UBool beforeCurrency,
UErrorCode& status) const {
if (U_FAILURE(status)) {
return fNoSymbol; // always empty.
}
if (beforeCurrency) {
return currencySpcBeforeSym[(int32_t)type];
} else {
return currencySpcAfterSym[(int32_t)type];
}
}
void
DecimalFormatSymbols::setPatternForCurrencySpacing(UCurrencySpacing type,
UBool beforeCurrency,
const UnicodeString& pattern) {
if (beforeCurrency) {
currencySpcBeforeSym[(int32_t)type] = pattern;
} else {
currencySpcAfterSym[(int32_t)type] = pattern;
}
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
//eof