scuffed-code/icu4c/source/i18n/currpinf.cpp
2009-02-12 22:55:29 +00:00

345 lines
9.8 KiB
C++

/*
*******************************************************************************
* Copyright (C) 2009, 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"
U_NAMESPACE_BEGIN
U_CDECL_BEGIN
/**
* @internal ICU 4.2
*/
static UBool U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2);
U_CDECL_END
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;
}
//#define CURRPINF_DEBUG
#ifdef CURRPINF_DEBUG
#include "stdio.h"
#endif
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 gNumberPatternsTag[]="NumberPatterns";
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)) {
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();
fPluralRules = PluralRules::forLocale(loc, status);
setupCurrencyPluralPattern(loc, status);
}
void
CurrencyPluralInfo::setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status) {
if (U_FAILURE(status)) {
return;
}
fPluralCountToCurrencyUnitPattern = initHash(status);
if (U_FAILURE(status)) {
return;
}
UErrorCode ec = U_ZERO_ERROR;
UResourceBundle *rb = ures_open(NULL, loc.getName(), &ec);
UResourceBundle *numberPatterns = ures_getByKey(rb, gNumberPatternsTag, NULL, &ec);
int32_t ptnLen;
// TODO: 0 to be NumberFormat::fNumberStyle
const UChar* numberStylePattern = ures_getStringByIndex(numberPatterns, 0,
&ptnLen, &ec);
ures_close(numberPatterns);
if (U_FAILURE(ec)) {
ures_close(rb);
return;
}
UResourceBundle *currencyRes = ures_getByKeyWithFallback(rb, gCurrUnitPtnTag, NULL, &ec);
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 CURRPINF_DEBUG
char result_1[1000];
pattern->extract(0, pattern->length(), result_1, "UTF-8");
printf("pluralCount: %s; pattern: %s\n", pluralCount, result_1);
#endif
pattern->findAndReplace(gPart0, numberStylePattern);
pattern->findAndReplace(gPart1, gTripleCurrencySign);
#ifdef CURRPINF_DEBUG
pattern->extract(0, pattern->length(), result_1, "UTF-8");
printf("pluralCount: %s; pattern: %s\n", pluralCount, result_1);
#endif
fPluralCountToCurrencyUnitPattern->put(UnicodeString(pluralCount), pattern, status);
}
}
}
}
delete keywords;
ures_close(currencyRes);
ures_close(rb);
}
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->setValueCompartor(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