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/*
*******************************************************************************
* Copyright (C) 2009-2010, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#include "unicode/currpinf.h"
#if !UCONFIG_NO_FORMATTING
//#define CURRENCY_PLURAL_INFO_DEBUG 1
#ifdef CURRENCY_PLURAL_INFO_DEBUG
#include <iostream>
#endif
#include "unicode/locid.h"
#include "unicode/plurrule.h"
#include "unicode/ures.h"
#include "cstring.h"
#include "hash.h"
#include "uresimp.h"
#include "ureslocs.h"
U_NAMESPACE_BEGIN
static const UChar gNumberPatternSeparator = 0x3B; // ;
U_CDECL_BEGIN
/**
* @internal ICU 4.2
*/
static UBool U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2);
UBool
U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2) {
const UnicodeString* affix_1 = (UnicodeString*)val1.pointer;
const UnicodeString* affix_2 = (UnicodeString*)val2.pointer;
return *affix_1 == *affix_2;
}
U_CDECL_END
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CurrencyPluralInfo)
static const UChar gDefaultCurrencyPluralPattern[] = {'0', '.', '#', '#', ' ', 0xA4, 0xA4, 0xA4, 0};
static const UChar gTripleCurrencySign[] = {0xA4, 0xA4, 0xA4, 0};
static const UChar gPluralCountOther[] = {0x6F, 0x74, 0x68, 0x65, 0x72, 0};
static const UChar gPart0[] = {0x7B, 0x30, 0x7D, 0};
static const UChar gPart1[] = {0x7B, 0x31, 0x7D, 0};
static const char gNumberElementsTag[]="NumberElements";
static const char gLatnTag[]="latn";
static const char gPatternsTag[]="patterns";
static const char gDecimalFormatTag[]="decimalFormat";
static const char gCurrUnitPtnTag[]="CurrencyUnitPatterns";
CurrencyPluralInfo::CurrencyPluralInfo(UErrorCode& status)
: fPluralCountToCurrencyUnitPattern(NULL),
fPluralRules(NULL),
fLocale(NULL) {
initialize(Locale::getDefault(), status);
}
CurrencyPluralInfo::CurrencyPluralInfo(const Locale& locale, UErrorCode& status)
: fPluralCountToCurrencyUnitPattern(NULL),
fPluralRules(NULL),
fLocale(NULL) {
initialize(locale, status);
}
CurrencyPluralInfo::CurrencyPluralInfo(const CurrencyPluralInfo& info)
: UObject(info),
fPluralCountToCurrencyUnitPattern(NULL),
fPluralRules(NULL),
fLocale(NULL) {
*this = info;
}
CurrencyPluralInfo&
CurrencyPluralInfo::operator=(const CurrencyPluralInfo& info) {
if (this == &info) {
return *this;
}
deleteHash(fPluralCountToCurrencyUnitPattern);
UErrorCode status = U_ZERO_ERROR;
fPluralCountToCurrencyUnitPattern = initHash(status);
copyHash(info.fPluralCountToCurrencyUnitPattern,
fPluralCountToCurrencyUnitPattern, status);
if ( U_FAILURE(status) ) {
return *this;
}
delete fPluralRules;
delete fLocale;
if (info.fPluralRules) {
fPluralRules = info.fPluralRules->clone();
} else {
fPluralRules = NULL;
}
if (info.fLocale) {
fLocale = info.fLocale->clone();
} else {
fLocale = NULL;
}
return *this;
}
CurrencyPluralInfo::~CurrencyPluralInfo() {
deleteHash(fPluralCountToCurrencyUnitPattern);
fPluralCountToCurrencyUnitPattern = NULL;
delete fPluralRules;
delete fLocale;
fPluralRules = NULL;
fLocale = NULL;
}
UBool
CurrencyPluralInfo::operator==(const CurrencyPluralInfo& info) const {
#ifdef CURRENCY_PLURAL_INFO_DEBUG
if (*fPluralRules == *info.fPluralRules) {
std::cout << "same plural rules\n";
}
if (*fLocale == *info.fLocale) {
std::cout << "same locale\n";
}
if (fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern)) {
std::cout << "same pattern\n";
}
#endif
return *fPluralRules == *info.fPluralRules &&
*fLocale == *info.fLocale &&
fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern);
}
CurrencyPluralInfo*
CurrencyPluralInfo::clone() const {
return new CurrencyPluralInfo(*this);
}
const PluralRules*
CurrencyPluralInfo::getPluralRules() const {
return fPluralRules;
}
UnicodeString&
CurrencyPluralInfo::getCurrencyPluralPattern(const UnicodeString& pluralCount,
UnicodeString& result) const {
const UnicodeString* currencyPluralPattern =
(UnicodeString*)fPluralCountToCurrencyUnitPattern->get(pluralCount);
if (currencyPluralPattern == NULL) {
// fall back to "other"
if (pluralCount.compare(gPluralCountOther)) {
currencyPluralPattern =
(UnicodeString*)fPluralCountToCurrencyUnitPattern->get(gPluralCountOther);
}
if (currencyPluralPattern == NULL) {
// no currencyUnitPatterns defined,
// fallback to predefined defult.
// This should never happen when ICU resource files are
// available, since currencyUnitPattern of "other" is always
// defined in root.
result = UnicodeString(gDefaultCurrencyPluralPattern);
return result;
}
}
result = *currencyPluralPattern;
return result;
}
const Locale&
CurrencyPluralInfo::getLocale() const {
return *fLocale;
}
void
CurrencyPluralInfo::setPluralRules(const UnicodeString& ruleDescription,
UErrorCode& status) {
if (U_SUCCESS(status)) {
if (fPluralRules) {
delete fPluralRules;
}
fPluralRules = PluralRules::createRules(ruleDescription, status);
}
}
void
CurrencyPluralInfo::setCurrencyPluralPattern(const UnicodeString& pluralCount,
const UnicodeString& pattern,
UErrorCode& status) {
if (U_SUCCESS(status)) {
fPluralCountToCurrencyUnitPattern->put(pluralCount, new UnicodeString(pattern), status);
}
}
void
CurrencyPluralInfo::setLocale(const Locale& loc, UErrorCode& status) {
initialize(loc, status);
}
void
CurrencyPluralInfo::initialize(const Locale& loc, UErrorCode& status) {
if (U_FAILURE(status)) {
return;
}
delete fLocale;
fLocale = loc.clone();
if (fPluralRules) {
delete fPluralRules;
}
fPluralRules = PluralRules::forLocale(loc, status);
setupCurrencyPluralPattern(loc, status);
}
void
CurrencyPluralInfo::setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status) {
if (U_FAILURE(status)) {
return;
}
if (fPluralCountToCurrencyUnitPattern) {
deleteHash(fPluralCountToCurrencyUnitPattern);
}
fPluralCountToCurrencyUnitPattern = initHash(status);
if (U_FAILURE(status)) {
return;
}
UErrorCode ec = U_ZERO_ERROR;
UResourceBundle *rb = ures_open(NULL, loc.getName(), &ec);
rb = ures_getByKey(rb, gNumberElementsTag, rb, &ec);
rb = ures_getByKey(rb, gLatnTag, rb, &ec);
rb = ures_getByKey(rb, gPatternsTag, rb, &ec);
int32_t ptnLen;
const UChar* numberStylePattern = ures_getStringByKeyWithFallback(rb, gDecimalFormatTag, &ptnLen, &ec);
int32_t numberStylePatternLen = ptnLen;
const UChar* negNumberStylePattern = NULL;
int32_t negNumberStylePatternLen = 0;
// TODO: Java
// parse to check whether there is ";" separator in the numberStylePattern
UBool hasSeparator = false;
if (U_SUCCESS(ec)) {
for (int32_t styleCharIndex = 0; styleCharIndex < ptnLen; ++styleCharIndex) {
if (numberStylePattern[styleCharIndex] == gNumberPatternSeparator) {
hasSeparator = true;
// split the number style pattern into positive and negative
negNumberStylePattern = numberStylePattern + styleCharIndex + 1;
negNumberStylePatternLen = ptnLen - styleCharIndex - 1;
numberStylePatternLen = styleCharIndex;
}
}
}
ures_close(rb);
if (U_FAILURE(ec)) {
return;
}
UResourceBundle *currRb = ures_open(U_ICUDATA_CURR, loc.getName(), &ec);
UResourceBundle *currencyRes = ures_getByKeyWithFallback(currRb, gCurrUnitPtnTag, NULL, &ec);
#ifdef CURRENCY_PLURAL_INFO_DEBUG
std::cout << "in set up\n";
#endif
StringEnumeration* keywords = fPluralRules->getKeywords(ec);
if (U_SUCCESS(ec)) {
const char* pluralCount;
while ((pluralCount = keywords->next(NULL, ec)) != NULL) {
if ( U_SUCCESS(ec) ) {
int32_t ptnLen;
UErrorCode err = U_ZERO_ERROR;
const UChar* patternChars = ures_getStringByKeyWithFallback(
currencyRes, pluralCount, &ptnLen, &err);
if (U_SUCCESS(err) && ptnLen > 0) {
UnicodeString* pattern = new UnicodeString(patternChars, ptnLen);
#ifdef CURRENCY_PLURAL_INFO_DEBUG
char result_1[1000];
pattern->extract(0, pattern->length(), result_1, "UTF-8");
std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
#endif
pattern->findAndReplace(gPart0,
UnicodeString(numberStylePattern, numberStylePatternLen));
pattern->findAndReplace(gPart1, gTripleCurrencySign);
if (hasSeparator) {
UnicodeString negPattern(patternChars, ptnLen);
negPattern.findAndReplace(gPart0,
UnicodeString(negNumberStylePattern, negNumberStylePatternLen));
negPattern.findAndReplace(gPart1, gTripleCurrencySign);
pattern->append(gNumberPatternSeparator);
pattern->append(negPattern);
}
#ifdef CURRENCY_PLURAL_INFO_DEBUG
pattern->extract(0, pattern->length(), result_1, "UTF-8");
std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
#endif
fPluralCountToCurrencyUnitPattern->put(UnicodeString(pluralCount), pattern, status);
}
}
}
}
delete keywords;
ures_close(currencyRes);
ures_close(currRb);
}
void
CurrencyPluralInfo::deleteHash(Hashtable* hTable)
{
if ( hTable == NULL ) {
return;
}
int32_t pos = -1;
const UHashElement* element = NULL;
while ( (element = hTable->nextElement(pos)) != NULL ) {
const UHashTok keyTok = element->key;
const UHashTok valueTok = element->value;
const UnicodeString* value = (UnicodeString*)valueTok.pointer;
delete value;
}
delete hTable;
hTable = NULL;
}
Hashtable*
CurrencyPluralInfo::initHash(UErrorCode& status) {
if ( U_FAILURE(status) ) {
return NULL;
}
Hashtable* hTable;
if ( (hTable = new Hashtable(TRUE, status)) == NULL ) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
hTable->setValueComparator(ValueComparator);
return hTable;
}
void
CurrencyPluralInfo::copyHash(const Hashtable* source,
Hashtable* target,
UErrorCode& status) {
if ( U_FAILURE(status) ) {
return;
}
int32_t pos = -1;
const UHashElement* element = NULL;
if ( source ) {
while ( (element = source->nextElement(pos)) != NULL ) {
const UHashTok keyTok = element->key;
const UnicodeString* key = (UnicodeString*)keyTok.pointer;
const UHashTok valueTok = element->value;
const UnicodeString* value = (UnicodeString*)valueTok.pointer;
UnicodeString* copy = new UnicodeString(*value);
target->put(UnicodeString(*key), copy, status);
if ( U_FAILURE(status) ) {
return;
}
}
}
}
U_NAMESPACE_END
#endif