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0f52462e10
v8/src/i18n.cc
rossberg@chromium.org 8e3f3cee9e Eliminate extended mode, and other modes clean-up 
- Merge LanguageMode and StrictModeFlag enums
- Make harmony-scoping depend only on strict mode
- Free some bits on the way
- Plus additional clean-up and renaming

R=ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/181543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19800 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-03-11 14:41:22 +00:00

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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// limitations under the License.
#include "i18n.h"
#include "unicode/brkiter.h"
#include "unicode/calendar.h"
#include "unicode/coll.h"
#include "unicode/curramt.h"
#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/dtfmtsym.h"
#include "unicode/dtptngen.h"
#include "unicode/locid.h"
#include "unicode/numfmt.h"
#include "unicode/numsys.h"
#include "unicode/rbbi.h"
#include "unicode/smpdtfmt.h"
#include "unicode/timezone.h"
#include "unicode/uchar.h"
#include "unicode/ucol.h"
#include "unicode/ucurr.h"
#include "unicode/unum.h"
#include "unicode/uversion.h"
namespace v8 {
namespace internal {
namespace {
bool ExtractStringSetting(Isolate* isolate,
Handle<JSObject> options,
const char* key,
icu::UnicodeString* setting) {
Handle<String> str = isolate->factory()->NewStringFromAscii(CStrVector(key));
MaybeObject* maybe_object = options->GetProperty(*str);
Object* object;
if (maybe_object->ToObject(&object) && object->IsString()) {
v8::String::Utf8Value utf8_string(
v8::Utils::ToLocal(Handle<String>(String::cast(object))));
*setting = icu::UnicodeString::fromUTF8(*utf8_string);
return true;
}
return false;
}
bool ExtractIntegerSetting(Isolate* isolate,
Handle<JSObject> options,
const char* key,
int32_t* value) {
Handle<String> str = isolate->factory()->NewStringFromAscii(CStrVector(key));
MaybeObject* maybe_object = options->GetProperty(*str);
Object* object;
if (maybe_object->ToObject(&object) && object->IsNumber()) {
object->ToInt32(value);
return true;
}
return false;
}
bool ExtractBooleanSetting(Isolate* isolate,
Handle<JSObject> options,
const char* key,
bool* value) {
Handle<String> str = isolate->factory()->NewStringFromAscii(CStrVector(key));
MaybeObject* maybe_object = options->GetProperty(*str);
Object* object;
if (maybe_object->ToObject(&object) && object->IsBoolean()) {
*value = object->BooleanValue();
return true;
}
return false;
}
icu::SimpleDateFormat* CreateICUDateFormat(
Isolate* isolate,
const icu::Locale& icu_locale,
Handle<JSObject> options) {
// Create time zone as specified by the user. We have to re-create time zone
// since calendar takes ownership.
icu::TimeZone* tz = NULL;
icu::UnicodeString timezone;
if (ExtractStringSetting(isolate, options, "timeZone", &timezone)) {
tz = icu::TimeZone::createTimeZone(timezone);
} else {
tz = icu::TimeZone::createDefault();
}
// Create a calendar using locale, and apply time zone to it.
UErrorCode status = U_ZERO_ERROR;
icu::Calendar* calendar =
icu::Calendar::createInstance(tz, icu_locale, status);
// Make formatter from skeleton. Calendar and numbering system are added
// to the locale as Unicode extension (if they were specified at all).
icu::SimpleDateFormat* date_format = NULL;
icu::UnicodeString skeleton;
if (ExtractStringSetting(isolate, options, "skeleton", &skeleton)) {
icu::DateTimePatternGenerator* generator =
icu::DateTimePatternGenerator::createInstance(icu_locale, status);
icu::UnicodeString pattern;
if (U_SUCCESS(status)) {
pattern = generator->getBestPattern(skeleton, status);
delete generator;
}
date_format = new icu::SimpleDateFormat(pattern, icu_locale, status);
if (U_SUCCESS(status)) {
date_format->adoptCalendar(calendar);
}
}
if (U_FAILURE(status)) {
delete calendar;
delete date_format;
date_format = NULL;
}
return date_format;
}
void SetResolvedDateSettings(Isolate* isolate,
const icu::Locale& icu_locale,
icu::SimpleDateFormat* date_format,
Handle<JSObject> resolved) {
UErrorCode status = U_ZERO_ERROR;
icu::UnicodeString pattern;
date_format->toPattern(pattern);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("pattern")),
isolate->factory()->NewStringFromTwoByte(
Vector<const uint16_t>(
reinterpret_cast<const uint16_t*>(pattern.getBuffer()),
pattern.length())),
NONE,
SLOPPY);
// Set time zone and calendar.
const icu::Calendar* calendar = date_format->getCalendar();
const char* calendar_name = calendar->getType();
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("calendar")),
isolate->factory()->NewStringFromAscii(CStrVector(calendar_name)),
NONE,
SLOPPY);
const icu::TimeZone& tz = calendar->getTimeZone();
icu::UnicodeString time_zone;
tz.getID(time_zone);
icu::UnicodeString canonical_time_zone;
icu::TimeZone::getCanonicalID(time_zone, canonical_time_zone, status);
if (U_SUCCESS(status)) {
if (canonical_time_zone == UNICODE_STRING_SIMPLE("Etc/GMT")) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("timeZone")),
isolate->factory()->NewStringFromAscii(CStrVector("UTC")),
NONE,
SLOPPY);
} else {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("timeZone")),
isolate->factory()->NewStringFromTwoByte(
Vector<const uint16_t>(
reinterpret_cast<const uint16_t*>(
canonical_time_zone.getBuffer()),
canonical_time_zone.length())),
NONE,
SLOPPY);
}
}
// Ugly hack. ICU doesn't expose numbering system in any way, so we have
// to assume that for given locale NumberingSystem constructor produces the
// same digits as NumberFormat/Calendar would.
status = U_ZERO_ERROR;
icu::NumberingSystem* numbering_system =
icu::NumberingSystem::createInstance(icu_locale, status);
if (U_SUCCESS(status)) {
const char* ns = numbering_system->getName();
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("numberingSystem")),
isolate->factory()->NewStringFromAscii(CStrVector(ns)),
NONE,
SLOPPY);
} else {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("numberingSystem")),
isolate->factory()->undefined_value(),
NONE,
SLOPPY);
}
delete numbering_system;
// Set the locale
char result[ULOC_FULLNAME_CAPACITY];
status = U_ZERO_ERROR;
uloc_toLanguageTag(
icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
if (U_SUCCESS(status)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector(result)),
NONE,
SLOPPY);
} else {
// This would never happen, since we got the locale from ICU.
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector("und")),
NONE,
SLOPPY);
}
}
template<int internal_fields, EternalHandles::SingletonHandle field>
Handle<ObjectTemplateInfo> GetEternal(Isolate* isolate) {
if (isolate->eternal_handles()->Exists(field)) {
return Handle<ObjectTemplateInfo>::cast(
isolate->eternal_handles()->GetSingleton(field));
}
v8::Local<v8::ObjectTemplate> raw_template =
v8::ObjectTemplate::New(reinterpret_cast<v8::Isolate*>(isolate));
raw_template->SetInternalFieldCount(internal_fields);
return Handle<ObjectTemplateInfo>::cast(
isolate->eternal_handles()->CreateSingleton(
isolate,
*v8::Utils::OpenHandle(*raw_template),
field));
}
icu::DecimalFormat* CreateICUNumberFormat(
Isolate* isolate,
const icu::Locale& icu_locale,
Handle<JSObject> options) {
// Make formatter from options. Numbering system is added
// to the locale as Unicode extension (if it was specified at all).
UErrorCode status = U_ZERO_ERROR;
icu::DecimalFormat* number_format = NULL;
icu::UnicodeString style;
icu::UnicodeString currency;
if (ExtractStringSetting(isolate, options, "style", &style)) {
if (style == UNICODE_STRING_SIMPLE("currency")) {
icu::UnicodeString display;
ExtractStringSetting(isolate, options, "currency", &currency);
ExtractStringSetting(isolate, options, "currencyDisplay", &display);
#if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM <= 6)
icu::NumberFormat::EStyles format_style;
if (display == UNICODE_STRING_SIMPLE("code")) {
format_style = icu::NumberFormat::kIsoCurrencyStyle;
} else if (display == UNICODE_STRING_SIMPLE("name")) {
format_style = icu::NumberFormat::kPluralCurrencyStyle;
} else {
format_style = icu::NumberFormat::kCurrencyStyle;
}
#else // ICU version is 4.8 or above (we ignore versions below 4.0).
UNumberFormatStyle format_style;
if (display == UNICODE_STRING_SIMPLE("code")) {
format_style = UNUM_CURRENCY_ISO;
} else if (display == UNICODE_STRING_SIMPLE("name")) {
format_style = UNUM_CURRENCY_PLURAL;
} else {
format_style = UNUM_CURRENCY;
}
#endif
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, format_style, status));
} else if (style == UNICODE_STRING_SIMPLE("percent")) {
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createPercentInstance(icu_locale, status));
if (U_FAILURE(status)) {
delete number_format;
return NULL;
}
// Make sure 1.1% doesn't go into 2%.
number_format->setMinimumFractionDigits(1);
} else {
// Make a decimal instance by default.
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, status));
}
}
if (U_FAILURE(status)) {
delete number_format;
return NULL;
}
// Set all options.
if (!currency.isEmpty()) {
number_format->setCurrency(currency.getBuffer(), status);
}
int32_t digits;
if (ExtractIntegerSetting(
isolate, options, "minimumIntegerDigits", &digits)) {
number_format->setMinimumIntegerDigits(digits);
}
if (ExtractIntegerSetting(
isolate, options, "minimumFractionDigits", &digits)) {
number_format->setMinimumFractionDigits(digits);
}
if (ExtractIntegerSetting(
isolate, options, "maximumFractionDigits", &digits)) {
number_format->setMaximumFractionDigits(digits);
}
bool significant_digits_used = false;
if (ExtractIntegerSetting(
isolate, options, "minimumSignificantDigits", &digits)) {
number_format->setMinimumSignificantDigits(digits);
significant_digits_used = true;
}
if (ExtractIntegerSetting(
isolate, options, "maximumSignificantDigits", &digits)) {
number_format->setMaximumSignificantDigits(digits);
significant_digits_used = true;
}
number_format->setSignificantDigitsUsed(significant_digits_used);
bool grouping;
if (ExtractBooleanSetting(isolate, options, "useGrouping", &grouping)) {
number_format->setGroupingUsed(grouping);
}
// Set rounding mode.
number_format->setRoundingMode(icu::DecimalFormat::kRoundHalfUp);
return number_format;
}
void SetResolvedNumberSettings(Isolate* isolate,
const icu::Locale& icu_locale,
icu::DecimalFormat* number_format,
Handle<JSObject> resolved) {
icu::UnicodeString pattern;
number_format->toPattern(pattern);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("pattern")),
isolate->factory()->NewStringFromTwoByte(
Vector<const uint16_t>(
reinterpret_cast<const uint16_t*>(pattern.getBuffer()),
pattern.length())),
NONE,
SLOPPY);
// Set resolved currency code in options.currency if not empty.
icu::UnicodeString currency(number_format->getCurrency());
if (!currency.isEmpty()) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("currency")),
isolate->factory()->NewStringFromTwoByte(
Vector<const uint16_t>(
reinterpret_cast<const uint16_t*>(currency.getBuffer()),
currency.length())),
NONE,
SLOPPY);
}
// Ugly hack. ICU doesn't expose numbering system in any way, so we have
// to assume that for given locale NumberingSystem constructor produces the
// same digits as NumberFormat/Calendar would.
UErrorCode status = U_ZERO_ERROR;
icu::NumberingSystem* numbering_system =
icu::NumberingSystem::createInstance(icu_locale, status);
if (U_SUCCESS(status)) {
const char* ns = numbering_system->getName();
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("numberingSystem")),
isolate->factory()->NewStringFromAscii(CStrVector(ns)),
NONE,
SLOPPY);
} else {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("numberingSystem")),
isolate->factory()->undefined_value(),
NONE,
SLOPPY);
}
delete numbering_system;
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("useGrouping")),
isolate->factory()->ToBoolean(number_format->isGroupingUsed()),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(
CStrVector("minimumIntegerDigits")),
isolate->factory()->NewNumberFromInt(
number_format->getMinimumIntegerDigits()),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(
CStrVector("minimumFractionDigits")),
isolate->factory()->NewNumberFromInt(
number_format->getMinimumFractionDigits()),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(
CStrVector("maximumFractionDigits")),
isolate->factory()->NewNumberFromInt(
number_format->getMaximumFractionDigits()),
NONE,
SLOPPY);
Handle<String> key = isolate->factory()->NewStringFromAscii(
CStrVector("minimumSignificantDigits"));
if (JSReceiver::HasLocalProperty(resolved, key)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(
CStrVector("minimumSignificantDigits")),
isolate->factory()->NewNumberFromInt(
number_format->getMinimumSignificantDigits()),
NONE,
SLOPPY);
}
key = isolate->factory()->NewStringFromAscii(
CStrVector("maximumSignificantDigits"));
if (JSReceiver::HasLocalProperty(resolved, key)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(
CStrVector("maximumSignificantDigits")),
isolate->factory()->NewNumberFromInt(
number_format->getMaximumSignificantDigits()),
NONE,
SLOPPY);
}
// Set the locale
char result[ULOC_FULLNAME_CAPACITY];
status = U_ZERO_ERROR;
uloc_toLanguageTag(
icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
if (U_SUCCESS(status)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector(result)),
NONE,
SLOPPY);
} else {
// This would never happen, since we got the locale from ICU.
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector("und")),
NONE,
SLOPPY);
}
}
icu::Collator* CreateICUCollator(
Isolate* isolate,
const icu::Locale& icu_locale,
Handle<JSObject> options) {
// Make collator from options.
icu::Collator* collator = NULL;
UErrorCode status = U_ZERO_ERROR;
collator = icu::Collator::createInstance(icu_locale, status);
if (U_FAILURE(status)) {
delete collator;
return NULL;
}
// Set flags first, and then override them with sensitivity if necessary.
bool numeric;
if (ExtractBooleanSetting(isolate, options, "numeric", &numeric)) {
collator->setAttribute(
UCOL_NUMERIC_COLLATION, numeric ? UCOL_ON : UCOL_OFF, status);
}
// Normalization is always on, by the spec. We are free to optimize
// if the strings are already normalized (but we don't have a way to tell
// that right now).
collator->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
icu::UnicodeString case_first;
if (ExtractStringSetting(isolate, options, "caseFirst", &case_first)) {
if (case_first == UNICODE_STRING_SIMPLE("upper")) {
collator->setAttribute(UCOL_CASE_FIRST, UCOL_UPPER_FIRST, status);
} else if (case_first == UNICODE_STRING_SIMPLE("lower")) {
collator->setAttribute(UCOL_CASE_FIRST, UCOL_LOWER_FIRST, status);
} else {
// Default (false/off).
collator->setAttribute(UCOL_CASE_FIRST, UCOL_OFF, status);
}
}
icu::UnicodeString sensitivity;
if (ExtractStringSetting(isolate, options, "sensitivity", &sensitivity)) {
if (sensitivity == UNICODE_STRING_SIMPLE("base")) {
collator->setStrength(icu::Collator::PRIMARY);
} else if (sensitivity == UNICODE_STRING_SIMPLE("accent")) {
collator->setStrength(icu::Collator::SECONDARY);
} else if (sensitivity == UNICODE_STRING_SIMPLE("case")) {
collator->setStrength(icu::Collator::PRIMARY);
collator->setAttribute(UCOL_CASE_LEVEL, UCOL_ON, status);
} else {
// variant (default)
collator->setStrength(icu::Collator::TERTIARY);
}
}
bool ignore;
if (ExtractBooleanSetting(isolate, options, "ignorePunctuation", &ignore)) {
if (ignore) {
collator->setAttribute(UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, status);
}
}
return collator;
}
void SetResolvedCollatorSettings(Isolate* isolate,
const icu::Locale& icu_locale,
icu::Collator* collator,
Handle<JSObject> resolved) {
UErrorCode status = U_ZERO_ERROR;
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("numeric")),
isolate->factory()->ToBoolean(
collator->getAttribute(UCOL_NUMERIC_COLLATION, status) == UCOL_ON),
NONE,
SLOPPY);
switch (collator->getAttribute(UCOL_CASE_FIRST, status)) {
case UCOL_LOWER_FIRST:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("caseFirst")),
isolate->factory()->NewStringFromAscii(CStrVector("lower")),
NONE,
SLOPPY);
break;
case UCOL_UPPER_FIRST:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("caseFirst")),
isolate->factory()->NewStringFromAscii(CStrVector("upper")),
NONE,
SLOPPY);
break;
default:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("caseFirst")),
isolate->factory()->NewStringFromAscii(CStrVector("false")),
NONE,
SLOPPY);
}
switch (collator->getAttribute(UCOL_STRENGTH, status)) {
case UCOL_PRIMARY: {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("strength")),
isolate->factory()->NewStringFromAscii(CStrVector("primary")),
NONE,
SLOPPY);
// case level: true + s1 -> case, s1 -> base.
if (UCOL_ON == collator->getAttribute(UCOL_CASE_LEVEL, status)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("case")),
NONE,
SLOPPY);
} else {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("base")),
NONE,
SLOPPY);
}
break;
}
case UCOL_SECONDARY:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("strength")),
isolate->factory()->NewStringFromAscii(CStrVector("secondary")),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("accent")),
NONE,
SLOPPY);
break;
case UCOL_TERTIARY:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("strength")),
isolate->factory()->NewStringFromAscii(CStrVector("tertiary")),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("variant")),
NONE,
SLOPPY);
break;
case UCOL_QUATERNARY:
// We shouldn't get quaternary and identical from ICU, but if we do
// put them into variant.
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("strength")),
isolate->factory()->NewStringFromAscii(CStrVector("quaternary")),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("variant")),
NONE,
SLOPPY);
break;
default:
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("strength")),
isolate->factory()->NewStringFromAscii(CStrVector("identical")),
NONE,
SLOPPY);
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("sensitivity")),
isolate->factory()->NewStringFromAscii(CStrVector("variant")),
NONE,
SLOPPY);
}
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("ignorePunctuation")),
isolate->factory()->ToBoolean(collator->getAttribute(
UCOL_ALTERNATE_HANDLING, status) == UCOL_SHIFTED),
NONE,
SLOPPY);
// Set the locale
char result[ULOC_FULLNAME_CAPACITY];
status = U_ZERO_ERROR;
uloc_toLanguageTag(
icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
if (U_SUCCESS(status)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector(result)),
NONE,
SLOPPY);
} else {
// This would never happen, since we got the locale from ICU.
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector("und")),
NONE,
SLOPPY);
}
}
icu::BreakIterator* CreateICUBreakIterator(
Isolate* isolate,
const icu::Locale& icu_locale,
Handle<JSObject> options) {
UErrorCode status = U_ZERO_ERROR;
icu::BreakIterator* break_iterator = NULL;
icu::UnicodeString type;
if (!ExtractStringSetting(isolate, options, "type", &type)) return NULL;
if (type == UNICODE_STRING_SIMPLE("character")) {
break_iterator =
icu::BreakIterator::createCharacterInstance(icu_locale, status);
} else if (type == UNICODE_STRING_SIMPLE("sentence")) {
break_iterator =
icu::BreakIterator::createSentenceInstance(icu_locale, status);
} else if (type == UNICODE_STRING_SIMPLE("line")) {
break_iterator =
icu::BreakIterator::createLineInstance(icu_locale, status);
} else {
// Defualt is word iterator.
break_iterator =
icu::BreakIterator::createWordInstance(icu_locale, status);
}
if (U_FAILURE(status)) {
delete break_iterator;
return NULL;
}
return break_iterator;
}
void SetResolvedBreakIteratorSettings(Isolate* isolate,
const icu::Locale& icu_locale,
icu::BreakIterator* break_iterator,
Handle<JSObject> resolved) {
UErrorCode status = U_ZERO_ERROR;
// Set the locale
char result[ULOC_FULLNAME_CAPACITY];
status = U_ZERO_ERROR;
uloc_toLanguageTag(
icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
if (U_SUCCESS(status)) {
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector(result)),
NONE,
SLOPPY);
} else {
// This would never happen, since we got the locale from ICU.
JSObject::SetProperty(
resolved,
isolate->factory()->NewStringFromAscii(CStrVector("locale")),
isolate->factory()->NewStringFromAscii(CStrVector("und")),
NONE,
SLOPPY);
}
}
} // namespace
// static
Handle<ObjectTemplateInfo> I18N::GetTemplate(Isolate* isolate) {
return GetEternal<1, i::EternalHandles::I18N_TEMPLATE_ONE>(isolate);
}
// static
Handle<ObjectTemplateInfo> I18N::GetTemplate2(Isolate* isolate) {
return GetEternal<2, i::EternalHandles::I18N_TEMPLATE_TWO>(isolate);
}
// static
icu::SimpleDateFormat* DateFormat::InitializeDateTimeFormat(
Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved) {
// Convert BCP47 into ICU locale format.
UErrorCode status = U_ZERO_ERROR;
icu::Locale icu_locale;
char icu_result[ULOC_FULLNAME_CAPACITY];
int icu_length = 0;
v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
if (bcp47_locale.length() != 0) {
uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
&icu_length, &status);
if (U_FAILURE(status) || icu_length == 0) {
return NULL;
}
icu_locale = icu::Locale(icu_result);
}
icu::SimpleDateFormat* date_format = CreateICUDateFormat(
isolate, icu_locale, options);
if (!date_format) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
date_format = CreateICUDateFormat(isolate, no_extension_locale, options);
// Set resolved settings (pattern, numbering system, calendar).
SetResolvedDateSettings(
isolate, no_extension_locale, date_format, resolved);
} else {
SetResolvedDateSettings(isolate, icu_locale, date_format, resolved);
}
return date_format;
}
icu::SimpleDateFormat* DateFormat::UnpackDateFormat(
Isolate* isolate,
Handle<JSObject> obj) {
Handle<String> key =
isolate->factory()->NewStringFromAscii(CStrVector("dateFormat"));
if (JSReceiver::HasLocalProperty(obj, key)) {
return reinterpret_cast<icu::SimpleDateFormat*>(
obj->GetInternalField(0));
}
return NULL;
}
template<class T>
void DeleteNativeObjectAt(const v8::WeakCallbackData<v8::Value, void>& data,
int index) {
v8::Local<v8::Object> obj = v8::Handle<v8::Object>::Cast(data.GetValue());
delete reinterpret_cast<T*>(obj->GetAlignedPointerFromInternalField(index));
}
static void DestroyGlobalHandle(
const v8::WeakCallbackData<v8::Value, void>& data) {
GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
}
void DateFormat::DeleteDateFormat(
const v8::WeakCallbackData<v8::Value, void>& data) {
DeleteNativeObjectAt<icu::SimpleDateFormat>(data, 0);
DestroyGlobalHandle(data);
}
icu::DecimalFormat* NumberFormat::InitializeNumberFormat(
Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved) {
// Convert BCP47 into ICU locale format.
UErrorCode status = U_ZERO_ERROR;
icu::Locale icu_locale;
char icu_result[ULOC_FULLNAME_CAPACITY];
int icu_length = 0;
v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
if (bcp47_locale.length() != 0) {
uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
&icu_length, &status);
if (U_FAILURE(status) || icu_length == 0) {
return NULL;
}
icu_locale = icu::Locale(icu_result);
}
icu::DecimalFormat* number_format =
CreateICUNumberFormat(isolate, icu_locale, options);
if (!number_format) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
number_format = CreateICUNumberFormat(
isolate, no_extension_locale, options);
// Set resolved settings (pattern, numbering system).
SetResolvedNumberSettings(
isolate, no_extension_locale, number_format, resolved);
} else {
SetResolvedNumberSettings(isolate, icu_locale, number_format, resolved);
}
return number_format;
}
icu::DecimalFormat* NumberFormat::UnpackNumberFormat(
Isolate* isolate,
Handle<JSObject> obj) {
Handle<String> key =
isolate->factory()->NewStringFromAscii(CStrVector("numberFormat"));
if (JSReceiver::HasLocalProperty(obj, key)) {
return reinterpret_cast<icu::DecimalFormat*>(obj->GetInternalField(0));
}
return NULL;
}
void NumberFormat::DeleteNumberFormat(
const v8::WeakCallbackData<v8::Value, void>& data) {
DeleteNativeObjectAt<icu::DecimalFormat>(data, 0);
DestroyGlobalHandle(data);
}
icu::Collator* Collator::InitializeCollator(
Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved) {
// Convert BCP47 into ICU locale format.
UErrorCode status = U_ZERO_ERROR;
icu::Locale icu_locale;
char icu_result[ULOC_FULLNAME_CAPACITY];
int icu_length = 0;
v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
if (bcp47_locale.length() != 0) {
uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
&icu_length, &status);
if (U_FAILURE(status) || icu_length == 0) {
return NULL;
}
icu_locale = icu::Locale(icu_result);
}
icu::Collator* collator = CreateICUCollator(isolate, icu_locale, options);
if (!collator) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
collator = CreateICUCollator(isolate, no_extension_locale, options);
// Set resolved settings (pattern, numbering system).
SetResolvedCollatorSettings(
isolate, no_extension_locale, collator, resolved);
} else {
SetResolvedCollatorSettings(isolate, icu_locale, collator, resolved);
}
return collator;
}
icu::Collator* Collator::UnpackCollator(Isolate* isolate,
Handle<JSObject> obj) {
Handle<String> key =
isolate->factory()->NewStringFromAscii(CStrVector("collator"));
if (JSReceiver::HasLocalProperty(obj, key)) {
return reinterpret_cast<icu::Collator*>(obj->GetInternalField(0));
}
return NULL;
}
void Collator::DeleteCollator(
const v8::WeakCallbackData<v8::Value, void>& data) {
DeleteNativeObjectAt<icu::Collator>(data, 0);
DestroyGlobalHandle(data);
}
icu::BreakIterator* BreakIterator::InitializeBreakIterator(
Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved) {
// Convert BCP47 into ICU locale format.
UErrorCode status = U_ZERO_ERROR;
icu::Locale icu_locale;
char icu_result[ULOC_FULLNAME_CAPACITY];
int icu_length = 0;
v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
if (bcp47_locale.length() != 0) {
uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
&icu_length, &status);
if (U_FAILURE(status) || icu_length == 0) {
return NULL;
}
icu_locale = icu::Locale(icu_result);
}
icu::BreakIterator* break_iterator = CreateICUBreakIterator(
isolate, icu_locale, options);
if (!break_iterator) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
break_iterator = CreateICUBreakIterator(
isolate, no_extension_locale, options);
// Set resolved settings (locale).
SetResolvedBreakIteratorSettings(
isolate, no_extension_locale, break_iterator, resolved);
} else {
SetResolvedBreakIteratorSettings(
isolate, icu_locale, break_iterator, resolved);
}
return break_iterator;
}
icu::BreakIterator* BreakIterator::UnpackBreakIterator(Isolate* isolate,
Handle<JSObject> obj) {
Handle<String> key =
isolate->factory()->NewStringFromAscii(CStrVector("breakIterator"));
if (JSReceiver::HasLocalProperty(obj, key)) {
return reinterpret_cast<icu::BreakIterator*>(obj->GetInternalField(0));
}
return NULL;
}
void BreakIterator::DeleteBreakIterator(
const v8::WeakCallbackData<v8::Value, void>& data) {
DeleteNativeObjectAt<icu::BreakIterator>(data, 0);
DeleteNativeObjectAt<icu::UnicodeString>(data, 1);
DestroyGlobalHandle(data);
}
} } // namespace v8::internal
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