298 lines
10 KiB
C++
298 lines
10 KiB
C++
|
// 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/calendar.h"
|
||
|
|
#include "unicode/dtfmtsym.h"
|
||
|
|
#include "unicode/dtptngen.h"
|
||
|
|
#include "unicode/locid.h"
|
||
|
|
#include "unicode/numsys.h"
|
||
|
|
#include "unicode/smpdtfmt.h"
|
||
|
|
#include "unicode/timezone.h"
|
||
|
|
|
||
|
|
namespace v8 {
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
icu::SimpleDateFormat* CreateICUDateFormat(
|
||
|
|
Isolate* isolate,
|
||
|
|
const icu::Locale& icu_locale,
|
||
|
|
Handle<Object> options) {
|
||
|
|
// Create time zone as specified by the user. We have to re-create time zone
|
||
|
|
// since calendar takes ownership.
|
||
|
|
icu::TimeZone* tz = NULL;
|
||
|
|
MaybeObject* maybe_object = options->GetProperty(
|
||
|
|
*isolate->factory()->NewStringFromAscii(CStrVector("timeZone")));
|
||
|
|
Object* timezone;
|
||
|
|
if (maybe_object->ToObject(&timezone) && timezone->IsString()) {
|
||
|
|
v8::String::Utf8Value utf8_timezone(
|
||
|
|
v8::Utils::ToLocal(Handle<String>(String::cast(timezone))));
|
||
|
|
icu::UnicodeString u_timezone(icu::UnicodeString::fromUTF8(*utf8_timezone));
|
||
|
|
tz = icu::TimeZone::createTimeZone(u_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;
|
||
|
|
Object* skeleton;
|
||
|
|
maybe_object = options->GetProperty(
|
||
|
|
*isolate->factory()->NewStringFromAscii(CStrVector("skeleton")));
|
||
|
|
if (maybe_object->ToObject(&skeleton) && skeleton->IsString()) {
|
||
|
|
v8::String::Utf8Value utf8_skeleton(
|
||
|
|
v8::Utils::ToLocal(Handle<String>(String::cast(skeleton))));
|
||
|
|
icu::UnicodeString u_skeleton(icu::UnicodeString::fromUTF8(*utf8_skeleton));
|
||
|
|
icu::DateTimePatternGenerator* generator =
|
||
|
|
icu::DateTimePatternGenerator::createInstance(icu_locale, status);
|
||
|
|
icu::UnicodeString pattern;
|
||
|
|
if (U_SUCCESS(status)) {
|
||
|
|
pattern = generator->getBestPattern(u_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 SetResolvedSettings(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,
|
||
|
|
kNonStrictMode);
|
||
|
|
|
||
|
|
// 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,
|
||
|
|
kNonStrictMode);
|
||
|
|
|
||
|
|
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,
|
||
|
|
kNonStrictMode);
|
||
|
|
} 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,
|
||
|
|
kNonStrictMode);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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,
|
||
|
|
kNonStrictMode);
|
||
|
|
} else {
|
||
|
|
JSObject::SetProperty(
|
||
|
|
resolved,
|
||
|
|
isolate->factory()->NewStringFromAscii(CStrVector("numberingSystem")),
|
||
|
|
isolate->factory()->undefined_value(),
|
||
|
|
NONE,
|
||
|
|
kNonStrictMode);
|
||
|
|
}
|
||
|
|
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,
|
||
|
|
kNonStrictMode);
|
||
|
|
} 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,
|
||
|
|
kNonStrictMode);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
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());
|
||
|
|
raw_template->SetInternalFieldCount(internal_fields);
|
||
|
|
return Handle<ObjectTemplateInfo>::cast(
|
||
|
|
isolate->eternal_handles()->CreateSingleton(
|
||
|
|
isolate,
|
||
|
|
*v8::Utils::OpenHandle(*raw_template),
|
||
|
|
field));
|
||
|
|
}
|
||
|
|
|
||
|
|
} // 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).
|
||
|
|
SetResolvedSettings(isolate, no_extension_locale, date_format, resolved);
|
||
|
|
} else {
|
||
|
|
SetResolvedSettings(isolate, icu_locale, date_format, resolved);
|
||
|
|
}
|
||
|
|
|
||
|
|
return date_format;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
icu::SimpleDateFormat* DateFormat::UnpackDateFormat(
|
||
|
|
Isolate* isolate,
|
||
|
|
Handle<JSObject> obj) {
|
||
|
|
if (obj->HasLocalProperty(
|
||
|
|
*isolate->factory()->NewStringFromAscii(CStrVector("dateFormat")))) {
|
||
|
|
return reinterpret_cast<icu::SimpleDateFormat*>(
|
||
|
|
obj->GetInternalField(0));
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void DateFormat::DeleteDateFormat(v8::Isolate* isolate,
|
||
|
|
Persistent<v8::Object>* object,
|
||
|
|
void* param) {
|
||
|
|
// First delete the hidden C++ object.
|
||
|
|
delete reinterpret_cast<icu::SimpleDateFormat*>(Handle<JSObject>::cast(
|
||
|
|
v8::Utils::OpenPersistent(object))->GetInternalField(0));
|
||
|
|
|
||
|
|
// Then dispose of the persistent handle to JS object.
|
||
|
|
object->Dispose(isolate);
|
||
|
|
}
|
||
|
|
|
||
|
|
} } // namespace v8::internal
|