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Import the v8-i18n extension into v8

Browse Source 
This adds the gyp flag v8_enable_i18n_support (off by default), and the
v8 flag FLAG_enable_i18n (on by default, but without effect if
v8_enable_i18n_support is off).

BUG=v8:2745
R=cira@chromium.org, danno@chromium.org, jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18487004

Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
jkummerow@chromium.org 2013-07-03 11:22:29 +00:00
parent f23ed09eef
commit 56ab3e3404
32 changed files with 4941 additions and 1 deletions
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4
Makefile
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@ -116,6 +116,10 @@ endif
ifeq ($(regexp), interpreted)
GYPFLAGS += -Dv8_interpreted_regexp=1
endif
# i18nsupport=on
ifeq ($(i18nsupport), on)
GYPFLAGS += -Dv8_enable_i18n_support=1
endif
# arm specific flags.
# armv7=false/true
ifeq ($(armv7), false)

7
build/common.gypi
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@ -104,6 +104,10 @@
# Interpreted regexp engine exists as platform-independent alternative
# based where the regular expression is compiled to a bytecode.
'v8_interpreted_regexp%': 0,
# Enable ECMAScript Internationalization API. Enabling this feature will
# add a dependency on the ICU library.
'v8_enable_i18n_support%': 0,
},
'target_defaults': {
'conditions': [
@ -125,6 +129,9 @@
['v8_interpreted_regexp==1', {
'defines': ['V8_INTERPRETED_REGEXP',],
}],
['v8_enable_i18n_support==1', {
'defines': ['V8_I18N_SUPPORT',],
}],
['v8_target_arch=="arm"', {
'defines': [
'V8_TARGET_ARCH_ARM',

23
src/api.cc
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@ -394,6 +394,9 @@ enum CompressedStartupDataItems {
kSnapshotContext,
kLibraries,
kExperimentalLibraries,
#if defined(ENABLE_I18N_SUPPORT)
kI18NExtension,
#endif
kCompressedStartupDataCount
};
@ -433,6 +436,17 @@ void V8::GetCompressedStartupData(StartupData* compressed_data) {
exp_libraries_source.length();
compressed_data[kExperimentalLibraries].raw_size =
i::ExperimentalNatives::GetRawScriptsSize();
#if defined(ENABLE_I18N_SUPPORT)
i::Vector<const ii:byte> i18n_extension_source =
i::I18NNatvies::GetScriptsSource();
compressed_data[kI18NExtension].data =
reinterpret_cast<const char*>(i18n_extension_source.start());
compressed_data[kI18NExtension].compressed_size =
i18n_extension_source.length();
compressed_data[kI18NExtension].raw_size =
i::I18NNatives::GetRawScriptsSize();
#endif
#endif
}
@ -462,6 +476,15 @@ void V8::SetDecompressedStartupData(StartupData* decompressed_data) {
decompressed_data[kExperimentalLibraries].data,
decompressed_data[kExperimentalLibraries].raw_size);
i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source);
#if defined(ENABLE_I18N_SUPPORT)
ASSERT_EQ(i::I18NNatives::GetRawScriptsSize(),
decompressed_data[kI18NExtension].raw_size);
i::Vector<const char> i18n_extension_source(
decompressed_data[kI18NExtension].data,
decompressed_data[kI18NExtension].raw_size);
i::I18NNatives::SetRawScriptsSource(i18n_extension_source);
#endif
#endif
}

13
src/bootstrapper.cc
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@ -45,6 +45,10 @@
#include "extensions/statistics-extension.h"
#include "code-stubs.h"
#if defined(V8_I18N_SUPPORT)
#include "extensions/i18n/i18n-extension.h"
#endif
namespace v8 {
namespace internal {
@ -102,6 +106,9 @@ void Bootstrapper::InitializeOncePerProcess() {
GCExtension::Register();
ExternalizeStringExtension::Register();
StatisticsExtension::Register();
#if defined(V8_I18N_SUPPORT)
v8_i18n::Extension::Register();
#endif
}
@ -2279,6 +2286,12 @@ bool Genesis::InstallExtensions(Handle<Context> native_context,
InstallExtension(isolate, "v8/statistics", &extension_states);
}
#if defined(V8_I18N_SUPPORT)
if (FLAG_enable_i18n) {
InstallExtension(isolate, "v8/i18n", &extension_states);
}
#endif
if (extensions == NULL) return true;
// Install required extensions
int count = v8::ImplementationUtilities::GetNameCount(extensions);

331
src/extensions/i18n/break-iterator.cc Normal file
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@ -0,0 +1,331 @@
// 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.
#include "break-iterator.h"
#include <string.h>
#include "i18n-utils.h"
#include "unicode/brkiter.h"
#include "unicode/locid.h"
#include "unicode/rbbi.h"
namespace v8_i18n {
static v8::Handle<v8::Value> ThrowUnexpectedObjectError();
static icu::UnicodeString* ResetAdoptedText(v8::Handle<v8::Object>,
v8::Handle<v8::Value>);
static icu::BreakIterator* InitializeBreakIterator(v8::Handle<v8::String>,
v8::Handle<v8::Object>,
v8::Handle<v8::Object>);
static icu::BreakIterator* CreateICUBreakIterator(const icu::Locale&,
v8::Handle<v8::Object>);
static void SetResolvedSettings(const icu::Locale&,
icu::BreakIterator*,
v8::Handle<v8::Object>);
icu::BreakIterator* BreakIterator::UnpackBreakIterator(
v8::Handle<v8::Object> obj) {
v8::HandleScope handle_scope;
// v8::ObjectTemplate doesn't have HasInstance method so we can't check
// if obj is an instance of BreakIterator class. We'll check for a property
// that has to be in the object. The same applies to other services, like
// Collator and DateTimeFormat.
if (obj->HasOwnProperty(v8::String::New("breakIterator"))) {
return static_cast<icu::BreakIterator*>(
obj->GetAlignedPointerFromInternalField(0));
}
return NULL;
}
void BreakIterator::DeleteBreakIterator(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param) {
// First delete the hidden C++ object.
// Unpacking should never return NULL here. That would only happen if
// this method is used as the weak callback for persistent handles not
// pointing to a break iterator.
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object);
delete UnpackBreakIterator(handle);
delete static_cast<icu::UnicodeString*>(
handle->GetAlignedPointerFromInternalField(1));
// Then dispose of the persistent handle to JS object.
object->Dispose(isolate);
}
// Throws a JavaScript exception.
static v8::Handle<v8::Value> ThrowUnexpectedObjectError() {
// Returns undefined, and schedules an exception to be thrown.
return v8::ThrowException(v8::Exception::Error(
v8::String::New("BreakIterator method called on an object "
"that is not a BreakIterator.")));
}
// Deletes the old value and sets the adopted text in corresponding
// JavaScript object.
icu::UnicodeString* ResetAdoptedText(
v8::Handle<v8::Object> obj, v8::Handle<v8::Value> value) {
// Get the previous value from the internal field.
icu::UnicodeString* text = static_cast<icu::UnicodeString*>(
obj->GetAlignedPointerFromInternalField(1));
delete text;
// Assign new value to the internal pointer.
v8::String::Value text_value(value);
text = new icu::UnicodeString(
reinterpret_cast<const UChar*>(*text_value), text_value.length());
obj->SetAlignedPointerInInternalField(1, text);
// Return new unicode string pointer.
return text;
}
void BreakIterator::JSInternalBreakIteratorAdoptText(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsString()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New(
"Internal error. Iterator and text have to be specified.")));
return;
}
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject());
if (!break_iterator) {
ThrowUnexpectedObjectError();
return;
}
break_iterator->setText(*ResetAdoptedText(args[0]->ToObject(), args[1]));
}
void BreakIterator::JSInternalBreakIteratorFirst(
const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject());
if (!break_iterator) {
ThrowUnexpectedObjectError();
return;
}
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->first()));
}
void BreakIterator::JSInternalBreakIteratorNext(
const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject());
if (!break_iterator) {
ThrowUnexpectedObjectError();
return;
}
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->next()));
}
void BreakIterator::JSInternalBreakIteratorCurrent(
const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject());
if (!break_iterator) {
ThrowUnexpectedObjectError();
return;
}
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->current()));
}
void BreakIterator::JSInternalBreakIteratorBreakType(
const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject());
if (!break_iterator) {
ThrowUnexpectedObjectError();
return;
}
// TODO(cira): Remove cast once ICU fixes base BreakIterator class.
icu::RuleBasedBreakIterator* rule_based_iterator =
static_cast<icu::RuleBasedBreakIterator*>(break_iterator);
int32_t status = rule_based_iterator->getRuleStatus();
// Keep return values in sync with JavaScript BreakType enum.
v8::Handle<v8::String> result;
if (status >= UBRK_WORD_NONE && status < UBRK_WORD_NONE_LIMIT) {
result = v8::String::New("none");
} else if (status >= UBRK_WORD_NUMBER && status < UBRK_WORD_NUMBER_LIMIT) {
result = v8::String::New("number");
} else if (status >= UBRK_WORD_LETTER && status < UBRK_WORD_LETTER_LIMIT) {
result = v8::String::New("letter");
} else if (status >= UBRK_WORD_KANA && status < UBRK_WORD_KANA_LIMIT) {
result = v8::String::New("kana");
} else if (status >= UBRK_WORD_IDEO && status < UBRK_WORD_IDEO_LIMIT) {
result = v8::String::New("ideo");
} else {
result = v8::String::New("unknown");
}
args.GetReturnValue().Set(result);
}
void BreakIterator::JSCreateBreakIterator(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsString() || !args[1]->IsObject() ||
!args[2]->IsObject()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, wrong parameters.")));
return;
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::ObjectTemplate> break_iterator_template =
Utils::GetTemplate2(isolate);
// Create an empty object wrapper.
v8::Local<v8::Object> local_object = break_iterator_template->NewInstance();
// But the handle shouldn't be empty.
// That can happen if there was a stack overflow when creating the object.
if (local_object.IsEmpty()) {
args.GetReturnValue().Set(local_object);
return;
}
// Set break iterator as internal field of the resulting JS object.
icu::BreakIterator* break_iterator = InitializeBreakIterator(
args[0]->ToString(), args[1]->ToObject(), args[2]->ToObject());
if (!break_iterator) {
v8::ThrowException(v8::Exception::Error(v8::String::New(
"Internal error. Couldn't create ICU break iterator.")));
return;
} else {
local_object->SetAlignedPointerInInternalField(0, break_iterator);
// Make sure that the pointer to adopted text is NULL.
local_object->SetAlignedPointerInInternalField(1, NULL);
v8::TryCatch try_catch;
local_object->Set(v8::String::New("breakIterator"),
v8::String::New("valid"));
if (try_catch.HasCaught()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, couldn't set property.")));
return;
}
}
v8::Persistent<v8::Object> wrapper(isolate, local_object);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak<void>(NULL, &DeleteBreakIterator);
args.GetReturnValue().Set(wrapper);
wrapper.ClearAndLeak();
}
static icu::BreakIterator* InitializeBreakIterator(
v8::Handle<v8::String> locale,
v8::Handle<v8::Object> options,
v8::Handle<v8::Object> 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::AsciiValue bcp47_locale(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(icu_locale, options);
if (!break_iterator) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
break_iterator = CreateICUBreakIterator(no_extension_locale, options);
// Set resolved settings (locale).
SetResolvedSettings(no_extension_locale, break_iterator, resolved);
} else {
SetResolvedSettings(icu_locale, break_iterator, resolved);
}
return break_iterator;
}
static icu::BreakIterator* CreateICUBreakIterator(
const icu::Locale& icu_locale, v8::Handle<v8::Object> options) {
UErrorCode status = U_ZERO_ERROR;
icu::BreakIterator* break_iterator = NULL;
icu::UnicodeString type;
if (!Utils::ExtractStringSetting(options, "type", &type)) {
// Type had to be in the options. This would be an internal error.
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;
}
static void SetResolvedSettings(const icu::Locale& icu_locale,
icu::BreakIterator* date_format,
v8::Handle<v8::Object> 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)) {
resolved->Set(v8::String::New("locale"), v8::String::New(result));
} else {
// This would never happen, since we got the locale from ICU.
resolved->Set(v8::String::New("locale"), v8::String::New("und"));
}
}
} // namespace v8_i18n

85
src/extensions/i18n/break-iterator.h Normal file
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@ -0,0 +1,85 @@
// 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.
#ifndef V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_
#define V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace U_ICU_NAMESPACE {
class BreakIterator;
class UnicodeString;
}
namespace v8_i18n {
class BreakIterator {
public:
static void JSCreateBreakIterator(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Helper methods for various bindings.
// Unpacks iterator object from corresponding JavaScript object.
static icu::BreakIterator* UnpackBreakIterator(v8::Handle<v8::Object> obj);
// Release memory we allocated for the BreakIterator once the JS object that
// holds the pointer gets garbage collected.
static void DeleteBreakIterator(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param);
// Assigns new text to the iterator.
static void JSInternalBreakIteratorAdoptText(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Moves iterator to the beginning of the string and returns new position.
static void JSInternalBreakIteratorFirst(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Moves iterator to the next position and returns it.
static void JSInternalBreakIteratorNext(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Returns current iterator's current position.
static void JSInternalBreakIteratorCurrent(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Returns type of the item from current position.
// This call is only valid for word break iterators. Others just return 0.
static void JSInternalBreakIteratorBreakType(
const v8::FunctionCallbackInfo<v8::Value>& args);
private:
BreakIterator() {}
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_

192
src/extensions/i18n/break-iterator.js Normal file
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@ -0,0 +1,192 @@
// 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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Initializes the given object so it's a valid BreakIterator instance.
* Useful for subclassing.
*/
function initializeBreakIterator(iterator, locales, options) {
native function NativeJSCreateBreakIterator();
if (iterator.hasOwnProperty('__initializedIntlObject')) {
throw new TypeError('Trying to re-initialize v8BreakIterator object.');
}
if (options === undefined) {
options = {};
}
var getOption = getGetOption(options, 'breakiterator');
var internalOptions = {};
defineWEProperty(internalOptions, 'type', getOption(
'type', 'string', ['character', 'word', 'sentence', 'line'], 'word'));
var locale = resolveLocale('breakiterator', locales, options);
var resolved = Object.defineProperties({}, {
requestedLocale: {value: locale.locale, writable: true},
type: {value: internalOptions.type, writable: true},
locale: {writable: true}
});
var internalIterator = NativeJSCreateBreakIterator(locale.locale,
internalOptions,
resolved);
Object.defineProperty(iterator, 'iterator', {value: internalIterator});
Object.defineProperty(iterator, 'resolved', {value: resolved});
Object.defineProperty(iterator, '__initializedIntlObject',
{value: 'breakiterator'});
return iterator;
}
/**
* Constructs Intl.v8BreakIterator object given optional locales and options
* parameters.
*
* @constructor
*/
%SetProperty(Intl, 'v8BreakIterator', function() {
var locales = arguments[0];
var options = arguments[1];
if (!this || this === Intl) {
// Constructor is called as a function.
return new Intl.v8BreakIterator(locales, options);
}
return initializeBreakIterator(toObject(this), locales, options);
},
ATTRIBUTES.DONT_ENUM
);
/**
* BreakIterator resolvedOptions method.
*/
%SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (!this || typeof this !== 'object' ||
this.__initializedIntlObject !== 'breakiterator') {
throw new TypeError('resolvedOptions method called on a non-object or ' +
'on a object that is not Intl.v8BreakIterator.');
}
var segmenter = this;
var locale = getOptimalLanguageTag(segmenter.resolved.requestedLocale,
segmenter.resolved.locale);
return {
locale: locale,
type: segmenter.resolved.type
};
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.v8BreakIterator.prototype.resolvedOptions);
/**
* Returns the subset of the given locale list for which this locale list
* has a matching (possibly fallback) locale. Locales appear in the same
* order in the returned list as in the input list.
* Options are optional parameter.
*/
%SetProperty(Intl.v8BreakIterator, 'supportedLocalesOf', function(locales) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return supportedLocalesOf('breakiterator', locales, arguments[1]);
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.v8BreakIterator.supportedLocalesOf);
/**
* Adopts text to segment using the iterator. Old text, if present,
* gets discarded.
*/
function adoptText(iterator, text) {
native function NativeJSBreakIteratorAdoptText();
NativeJSBreakIteratorAdoptText(iterator.iterator, String(text));
}
/**
* Returns index of the first break in the string and moves current pointer.
*/
function first(iterator) {
native function NativeJSBreakIteratorFirst();
return NativeJSBreakIteratorFirst(iterator.iterator);
}
/**
* Returns the index of the next break and moves the pointer.
*/
function next(iterator) {
native function NativeJSBreakIteratorNext();
return NativeJSBreakIteratorNext(iterator.iterator);
}
/**
* Returns index of the current break.
*/
function current(iterator) {
native function NativeJSBreakIteratorCurrent();
return NativeJSBreakIteratorCurrent(iterator.iterator);
}
/**
* Returns type of the current break.
*/
function breakType(iterator) {
native function NativeJSBreakIteratorBreakType();
return NativeJSBreakIteratorBreakType(iterator.iterator);
}
addBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1);
addBoundMethod(Intl.v8BreakIterator, 'first', first, 0);
addBoundMethod(Intl.v8BreakIterator, 'next', next, 0);
addBoundMethod(Intl.v8BreakIterator, 'current', current, 0);
addBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0);

363
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@ -0,0 +1,363 @@
// 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 "collator.h"
#include "i18n-utils.h"
#include "unicode/coll.h"
#include "unicode/locid.h"
#include "unicode/ucol.h"
namespace v8_i18n {
static icu::Collator* InitializeCollator(
v8::Handle<v8::String>, v8::Handle<v8::Object>, v8::Handle<v8::Object>);
static icu::Collator* CreateICUCollator(
const icu::Locale&, v8::Handle<v8::Object>);
static bool SetBooleanAttribute(
UColAttribute, const char*, v8::Handle<v8::Object>, icu::Collator*);
static void SetResolvedSettings(
const icu::Locale&, icu::Collator*, v8::Handle<v8::Object>);
static void SetBooleanSetting(
UColAttribute, icu::Collator*, const char*, v8::Handle<v8::Object>);
icu::Collator* Collator::UnpackCollator(v8::Handle<v8::Object> obj) {
v8::HandleScope handle_scope;
if (obj->HasOwnProperty(v8::String::New("collator"))) {
return static_cast<icu::Collator*>(
obj->GetAlignedPointerFromInternalField(0));
}
return NULL;
}
void Collator::DeleteCollator(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param) {
// First delete the hidden C++ object.
// Unpacking should never return NULL here. That would only happen if
// this method is used as the weak callback for persistent handles not
// pointing to a collator.
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object);
delete UnpackCollator(handle);
// Then dispose of the persistent handle to JS object.
object->Dispose(isolate);
}
// Throws a JavaScript exception.
static v8::Handle<v8::Value> ThrowUnexpectedObjectError() {
// Returns undefined, and schedules an exception to be thrown.
return v8::ThrowException(v8::Exception::Error(
v8::String::New("Collator method called on an object "
"that is not a Collator.")));
}
// When there's an ICU error, throw a JavaScript error with |message|.
static v8::Handle<v8::Value> ThrowExceptionForICUError(const char* message) {
return v8::ThrowException(v8::Exception::Error(v8::String::New(message)));
}
// static
void Collator::JSInternalCompare(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsObject() ||
!args[1]->IsString() || !args[2]->IsString()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Collator and two string arguments are required.")));
return;
}
icu::Collator* collator = UnpackCollator(args[0]->ToObject());
if (!collator) {
ThrowUnexpectedObjectError();
return;
}
v8::String::Value string_value1(args[1]);
v8::String::Value string_value2(args[2]);
const UChar* string1 = reinterpret_cast<const UChar*>(*string_value1);
const UChar* string2 = reinterpret_cast<const UChar*>(*string_value2);
UErrorCode status = U_ZERO_ERROR;
UCollationResult result = collator->compare(
string1, string_value1.length(), string2, string_value2.length(), status);
if (U_FAILURE(status)) {
ThrowExceptionForICUError(
"Internal error. Unexpected failure in Collator.compare.");
return;
}
args.GetReturnValue().Set(result);
}
void Collator::JSCreateCollator(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsString() || !args[1]->IsObject() ||
!args[2]->IsObject()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error, wrong parameters.")));
return;
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::ObjectTemplate> intl_collator_template =
Utils::GetTemplate(isolate);
// Create an empty object wrapper.
v8::Local<v8::Object> local_object = intl_collator_template->NewInstance();
// But the handle shouldn't be empty.
// That can happen if there was a stack overflow when creating the object.
if (local_object.IsEmpty()) {
args.GetReturnValue().Set(local_object);
return;
}
// Set collator as internal field of the resulting JS object.
icu::Collator* collator = InitializeCollator(
args[0]->ToString(), args[1]->ToObject(), args[2]->ToObject());
if (!collator) {
v8::ThrowException(v8::Exception::Error(v8::String::New(
"Internal error. Couldn't create ICU collator.")));
return;
} else {
local_object->SetAlignedPointerInInternalField(0, collator);
// Make it safer to unpack later on.
v8::TryCatch try_catch;
local_object->Set(v8::String::New("collator"), v8::String::New("valid"));
if (try_catch.HasCaught()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, couldn't set property.")));
return;
}
}
v8::Persistent<v8::Object> wrapper(isolate, local_object);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak<void>(NULL, &DeleteCollator);
args.GetReturnValue().Set(wrapper);
wrapper.ClearAndLeak();
}
static icu::Collator* InitializeCollator(v8::Handle<v8::String> locale,
v8::Handle<v8::Object> options,
v8::Handle<v8::Object> 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::AsciiValue bcp47_locale(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(icu_locale, options);
if (!collator) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
collator = CreateICUCollator(no_extension_locale, options);
// Set resolved settings (pattern, numbering system).
SetResolvedSettings(no_extension_locale, collator, resolved);
} else {
SetResolvedSettings(icu_locale, collator, resolved);
}
return collator;
}
static icu::Collator* CreateICUCollator(
const icu::Locale& icu_locale, v8::Handle<v8::Object> 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.
SetBooleanAttribute(UCOL_NUMERIC_COLLATION, "numeric", options, collator);
// 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 (Utils::ExtractStringSetting(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 (Utils::ExtractStringSetting(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 (Utils::ExtractBooleanSetting(options, "ignorePunctuation", &ignore)) {
if (ignore) {
collator->setAttribute(UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, status);
}
}
return collator;
}
static bool SetBooleanAttribute(UColAttribute attribute,
const char* name,
v8::Handle<v8::Object> options,
icu::Collator* collator) {
UErrorCode status = U_ZERO_ERROR;
bool result;
if (Utils::ExtractBooleanSetting(options, name, &result)) {
collator->setAttribute(attribute, result ? UCOL_ON : UCOL_OFF, status);
if (U_FAILURE(status)) {
return false;
}
}
return true;
}
static void SetResolvedSettings(const icu::Locale& icu_locale,
icu::Collator* collator,
v8::Handle<v8::Object> resolved) {
SetBooleanSetting(UCOL_NUMERIC_COLLATION, collator, "numeric", resolved);
UErrorCode status = U_ZERO_ERROR;
switch (collator->getAttribute(UCOL_CASE_FIRST, status)) {
case UCOL_LOWER_FIRST:
resolved->Set(v8::String::New("caseFirst"), v8::String::New("lower"));
break;
case UCOL_UPPER_FIRST:
resolved->Set(v8::String::New("caseFirst"), v8::String::New("upper"));
break;
default:
resolved->Set(v8::String::New("caseFirst"), v8::String::New("false"));
}
switch (collator->getAttribute(UCOL_STRENGTH, status)) {
case UCOL_PRIMARY: {
resolved->Set(v8::String::New("strength"), v8::String::New("primary"));
// case level: true + s1 -> case, s1 -> base.
if (UCOL_ON == collator->getAttribute(UCOL_CASE_LEVEL, status)) {
resolved->Set(v8::String::New("sensitivity"), v8::String::New("case"));
} else {
resolved->Set(v8::String::New("sensitivity"), v8::String::New("base"));
}
break;
}
case UCOL_SECONDARY:
resolved->Set(v8::String::New("strength"), v8::String::New("secondary"));
resolved->Set(v8::String::New("sensitivity"), v8::String::New("accent"));
break;
case UCOL_TERTIARY:
resolved->Set(v8::String::New("strength"), v8::String::New("tertiary"));
resolved->Set(v8::String::New("sensitivity"), v8::String::New("variant"));
break;
case UCOL_QUATERNARY:
// We shouldn't get quaternary and identical from ICU, but if we do
// put them into variant.
resolved->Set(v8::String::New("strength"), v8::String::New("quaternary"));
resolved->Set(v8::String::New("sensitivity"), v8::String::New("variant"));
break;
default:
resolved->Set(v8::String::New("strength"), v8::String::New("identical"));
resolved->Set(v8::String::New("sensitivity"), v8::String::New("variant"));
}
if (UCOL_SHIFTED == collator->getAttribute(UCOL_ALTERNATE_HANDLING, status)) {
resolved->Set(v8::String::New("ignorePunctuation"),
v8::Boolean::New(true));
} else {
resolved->Set(v8::String::New("ignorePunctuation"),
v8::Boolean::New(false));
}
// 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)) {
resolved->Set(v8::String::New("locale"), v8::String::New(result));
} else {
// This would never happen, since we got the locale from ICU.
resolved->Set(v8::String::New("locale"), v8::String::New("und"));
}
}
static void SetBooleanSetting(UColAttribute attribute,
icu::Collator* collator,
const char* property,
v8::Handle<v8::Object> resolved) {
UErrorCode status = U_ZERO_ERROR;
if (UCOL_ON == collator->getAttribute(attribute, status)) {
resolved->Set(v8::String::New(property), v8::Boolean::New(true));
} else {
resolved->Set(v8::String::New(property), v8::Boolean::New(false));
}
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_COLLATOR_H_
#define V8_EXTENSIONS_I18N_COLLATOR_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace U_ICU_NAMESPACE {
class Collator;
class UnicodeString;
}
namespace v8_i18n {
class Collator {
public:
static void JSCreateCollator(const v8::FunctionCallbackInfo<v8::Value>& args);
// Helper methods for various bindings.
// Unpacks collator object from corresponding JavaScript object.
static icu::Collator* UnpackCollator(v8::Handle<v8::Object> obj);
// Release memory we allocated for the Collator once the JS object that
// holds the pointer gets garbage collected.
static void DeleteCollator(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param);
// Compare two strings and returns -1, 0 and 1 depending on
// whether string1 is smaller than, equal to or larger than string2.
static void JSInternalCompare(
const v8::FunctionCallbackInfo<v8::Value>& args);
private:
Collator() {}
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_COLLATOR_H_

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Initializes the given object so it's a valid Collator instance.
* Useful for subclassing.
*/
function initializeCollator(collator, locales, options) {
native function NativeJSCreateCollator();
if (collator.hasOwnProperty('__initializedIntlObject')) {
throw new TypeError('Trying to re-initialize Collator object.');
}
if (options === undefined) {
options = {};
}
var getOption = getGetOption(options, 'collator');
var internalOptions = {};
defineWEProperty(internalOptions, 'usage', getOption(
'usage', 'string', ['sort', 'search'], 'sort'));
var sensitivity = getOption('sensitivity', 'string',
['base', 'accent', 'case', 'variant']);
if (sensitivity === undefined && internalOptions.usage === 'sort') {
sensitivity = 'variant';
}
defineWEProperty(internalOptions, 'sensitivity', sensitivity);
defineWEProperty(internalOptions, 'ignorePunctuation', getOption(
'ignorePunctuation', 'boolean', undefined, false));
var locale = resolveLocale('collator', locales, options);
// ICU can't take kb, kc... parameters through localeID, so we need to pass
// them as options.
// One exception is -co- which has to be part of the extension, but only for
// usage: sort, and its value can't be 'standard' or 'search'.
var extensionMap = parseExtension(locale.extension);
setOptions(
options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions);
var collation = 'default';
var extension = '';
if (extensionMap.hasOwnProperty('co') && internalOptions.usage === 'sort') {
if (ALLOWED_CO_VALUES.indexOf(extensionMap.co) !== -1) {
extension = '-u-co-' + extensionMap.co;
// ICU can't tell us what the collation is, so save user's input.
collation = extensionMap.co;
}
} else if (internalOptions.usage === 'search') {
extension = '-u-co-search';
}
defineWEProperty(internalOptions, 'collation', collation);
var requestedLocale = locale.locale + extension;
// We define all properties C++ code may produce, to prevent security
// problems. If malicious user decides to redefine Object.prototype.locale
// we can't just use plain x.locale = 'us' or in C++ Set("locale", "us").
// Object.defineProperties will either succeed defining or throw an error.
var resolved = Object.defineProperties({}, {
caseFirst: {writable: true},
collation: {value: internalOptions.collation, writable: true},
ignorePunctuation: {writable: true},
locale: {writable: true},
numeric: {writable: true},
requestedLocale: {value: requestedLocale, writable: true},
sensitivity: {writable: true},
strength: {writable: true},
usage: {value: internalOptions.usage, writable: true}
});
var internalCollator = NativeJSCreateCollator(requestedLocale,
internalOptions,
resolved);
// Writable, configurable and enumerable are set to false by default.
Object.defineProperty(collator, 'collator', {value: internalCollator});
Object.defineProperty(collator, '__initializedIntlObject',
{value: 'collator'});
Object.defineProperty(collator, 'resolved', {value: resolved});
return collator;
}
/**
* Constructs Intl.Collator object given optional locales and options
* parameters.
*
* @constructor
*/
%SetProperty(Intl, 'Collator', function() {
var locales = arguments[0];
var options = arguments[1];
if (!this || this === Intl) {
// Constructor is called as a function.
return new Intl.Collator(locales, options);
}
return initializeCollator(toObject(this), locales, options);
},
ATTRIBUTES.DONT_ENUM
);
/**
* Collator resolvedOptions method.
*/
%SetProperty(Intl.Collator.prototype, 'resolvedOptions', function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (!this || typeof this !== 'object' ||
this.__initializedIntlObject !== 'collator') {
throw new TypeError('resolvedOptions method called on a non-object ' +
'or on a object that is not Intl.Collator.');
}
var coll = this;
var locale = getOptimalLanguageTag(coll.resolved.requestedLocale,
coll.resolved.locale);
return {
locale: locale,
usage: coll.resolved.usage,
sensitivity: coll.resolved.sensitivity,
ignorePunctuation: coll.resolved.ignorePunctuation,
numeric: coll.resolved.numeric,
caseFirst: coll.resolved.caseFirst,
collation: coll.resolved.collation
};
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.Collator.prototype.resolvedOptions);
/**
* Returns the subset of the given locale list for which this locale list
* has a matching (possibly fallback) locale. Locales appear in the same
* order in the returned list as in the input list.
* Options are optional parameter.
*/
%SetProperty(Intl.Collator, 'supportedLocalesOf', function(locales) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return supportedLocalesOf('collator', locales, arguments[1]);
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.Collator.supportedLocalesOf);
/**
* When the compare method is called with two arguments x and y, it returns a
* Number other than NaN that represents the result of a locale-sensitive
* String comparison of x with y.
* The result is intended to order String values in the sort order specified
* by the effective locale and collation options computed during construction
* of this Collator object, and will be negative, zero, or positive, depending
* on whether x comes before y in the sort order, the Strings are equal under
* the sort order, or x comes after y in the sort order, respectively.
*/
function compare(collator, x, y) {
native function NativeJSInternalCompare();
return NativeJSInternalCompare(collator.collator, String(x), String(y));
};
addBoundMethod(Intl.Collator, 'compare', compare, 2);

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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 "date-format.h"
#include <string.h>
#include "i18n-utils.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_i18n {
static icu::SimpleDateFormat* InitializeDateTimeFormat(v8::Handle<v8::String>,
v8::Handle<v8::Object>,
v8::Handle<v8::Object>);
static icu::SimpleDateFormat* CreateICUDateFormat(const icu::Locale&,
v8::Handle<v8::Object>);
static void SetResolvedSettings(const icu::Locale&,
icu::SimpleDateFormat*,
v8::Handle<v8::Object>);
icu::SimpleDateFormat* DateFormat::UnpackDateFormat(
v8::Handle<v8::Object> obj) {
v8::HandleScope handle_scope;
if (obj->HasOwnProperty(v8::String::New("dateFormat"))) {
return static_cast<icu::SimpleDateFormat*>(
obj->GetAlignedPointerFromInternalField(0));
}
return NULL;
}
void DateFormat::DeleteDateFormat(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param) {
// First delete the hidden C++ object.
// Unpacking should never return NULL here. That would only happen if
// this method is used as the weak callback for persistent handles not
// pointing to a date time formatter.
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object);
delete UnpackDateFormat(handle);
// Then dispose of the persistent handle to JS object.
object->Dispose(isolate);
}
void DateFormat::JSInternalFormat(
const v8::FunctionCallbackInfo<v8::Value>& args) {
double millis = 0.0;
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsDate()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New(
"Internal error. Formatter and date value have to be specified.")));
return;
} else {
millis = v8::Date::Cast(*args[1])->NumberValue();
}
icu::SimpleDateFormat* date_format = UnpackDateFormat(args[0]->ToObject());
if (!date_format) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("DateTimeFormat method called on an object "
"that is not a DateTimeFormat.")));
return;
}
icu::UnicodeString result;
date_format->format(millis, result);
args.GetReturnValue().Set(v8::String::New(
reinterpret_cast<const uint16_t*>(result.getBuffer()), result.length()));
}
void DateFormat::JSInternalParse(
const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::UnicodeString string_date;
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsString()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New(
"Internal error. Formatter and string have to be specified.")));
return;
} else {
if (!Utils::V8StringToUnicodeString(args[1], &string_date)) {
string_date = "";
}
}
icu::SimpleDateFormat* date_format = UnpackDateFormat(args[0]->ToObject());
if (!date_format) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("DateTimeFormat method called on an object "
"that is not a DateTimeFormat.")));
return;
}
UErrorCode status = U_ZERO_ERROR;
UDate date = date_format->parse(string_date, status);
if (U_FAILURE(status)) {
return;
}
args.GetReturnValue().Set(v8::Date::New(static_cast<double>(date)));
}
void DateFormat::JSCreateDateTimeFormat(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 ||
!args[0]->IsString() ||
!args[1]->IsObject() ||
!args[2]->IsObject()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, wrong parameters.")));
return;
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::ObjectTemplate> date_format_template =
Utils::GetTemplate(isolate);
// Create an empty object wrapper.
v8::Local<v8::Object> local_object = date_format_template->NewInstance();
// But the handle shouldn't be empty.
// That can happen if there was a stack overflow when creating the object.
if (local_object.IsEmpty()) {
args.GetReturnValue().Set(local_object);
return;
}
// Set date time formatter as internal field of the resulting JS object.
icu::SimpleDateFormat* date_format = InitializeDateTimeFormat(
args[0]->ToString(), args[1]->ToObject(), args[2]->ToObject());
if (!date_format) {
v8::ThrowException(v8::Exception::Error(v8::String::New(
"Internal error. Couldn't create ICU date time formatter.")));
return;
} else {
local_object->SetAlignedPointerInInternalField(0, date_format);
v8::TryCatch try_catch;
local_object->Set(v8::String::New("dateFormat"), v8::String::New("valid"));
if (try_catch.HasCaught()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, couldn't set property.")));
return;
}
}
v8::Persistent<v8::Object> wrapper(isolate, local_object);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak<void>(NULL, &DeleteDateFormat);
args.GetReturnValue().Set(wrapper);
wrapper.ClearAndLeak();
}
static icu::SimpleDateFormat* InitializeDateTimeFormat(
v8::Handle<v8::String> locale,
v8::Handle<v8::Object> options,
v8::Handle<v8::Object> 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::AsciiValue bcp47_locale(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(icu_locale, options);
if (!date_format) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
date_format = CreateICUDateFormat(no_extension_locale, options);
// Set resolved settings (pattern, numbering system, calendar).
SetResolvedSettings(no_extension_locale, date_format, resolved);
} else {
SetResolvedSettings(icu_locale, date_format, resolved);
}
return date_format;
}
static icu::SimpleDateFormat* CreateICUDateFormat(
const icu::Locale& icu_locale, v8::Handle<v8::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;
icu::UnicodeString timezone;
if (Utils::ExtractStringSetting(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 (Utils::ExtractStringSetting(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;
}
static void SetResolvedSettings(const icu::Locale& icu_locale,
icu::SimpleDateFormat* date_format,
v8::Handle<v8::Object> resolved) {
UErrorCode status = U_ZERO_ERROR;
icu::UnicodeString pattern;
date_format->toPattern(pattern);
resolved->Set(v8::String::New("pattern"),
v8::String::New(reinterpret_cast<const uint16_t*>(
pattern.getBuffer()), pattern.length()));
// Set time zone and calendar.
if (date_format) {
const icu::Calendar* calendar = date_format->getCalendar();
const char* calendar_name = calendar->getType();
resolved->Set(v8::String::New("calendar"), v8::String::New(calendar_name));
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")) {
resolved->Set(v8::String::New("timeZone"), v8::String::New("UTC"));
} else {
resolved->Set(v8::String::New("timeZone"),
v8::String::New(reinterpret_cast<const uint16_t*>(
canonical_time_zone.getBuffer()),
canonical_time_zone.length()));
}
}
}
// 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();
resolved->Set(v8::String::New("numberingSystem"), v8::String::New(ns));
} else {
resolved->Set(v8::String::New("numberingSystem"), v8::Undefined());
}
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)) {
resolved->Set(v8::String::New("locale"), v8::String::New(result));
} else {
// This would never happen, since we got the locale from ICU.
resolved->Set(v8::String::New("locale"), v8::String::New("und"));
}
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_DATE_FORMAT_H_
#define V8_EXTENSIONS_I18N_DATE_FORMAT_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace U_ICU_NAMESPACE {
class SimpleDateFormat;
}
namespace v8_i18n {
class DateFormat {
public:
static void JSCreateDateTimeFormat(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Helper methods for various bindings.
// Unpacks date format object from corresponding JavaScript object.
static icu::SimpleDateFormat* UnpackDateFormat(
v8::Handle<v8::Object> obj);
// Release memory we allocated for the DateFormat once the JS object that
// holds the pointer gets garbage collected.
static void DeleteDateFormat(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param);
// Formats date and returns corresponding string.
static void JSInternalFormat(const v8::FunctionCallbackInfo<v8::Value>& args);
// Parses date and returns corresponding Date object or undefined if parse
// failed.
static void JSInternalParse(const v8::FunctionCallbackInfo<v8::Value>& args);
private:
DateFormat();
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_DATE_FORMAT_H_

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Returns a string that matches LDML representation of the options object.
*/
function toLDMLString(options) {
var getOption = getGetOption(options, 'dateformat');
var ldmlString = '';
var option = getOption('weekday', 'string', ['narrow', 'short', 'long']);
ldmlString += appendToLDMLString(
option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'});
option = getOption('era', 'string', ['narrow', 'short', 'long']);
ldmlString += appendToLDMLString(
option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'});
option = getOption('year', 'string', ['2-digit', 'numeric']);
ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'});
option = getOption('month', 'string',
['2-digit', 'numeric', 'narrow', 'short', 'long']);
ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M',
'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'});
option = getOption('day', 'string', ['2-digit', 'numeric']);
ldmlString += appendToLDMLString(
option, {'2-digit': 'dd', 'numeric': 'd'});
var hr12 = getOption('hour12', 'boolean');
option = getOption('hour', 'string', ['2-digit', 'numeric']);
if (hr12 === undefined) {
ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'});
} else if (hr12 === true) {
ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'});
} else {
ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'});
}
option = getOption('minute', 'string', ['2-digit', 'numeric']);
ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'});
option = getOption('second', 'string', ['2-digit', 'numeric']);
ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'});
option = getOption('timeZoneName', 'string', ['short', 'long']);
ldmlString += appendToLDMLString(option, {short: 'v', long: 'vv'});
return ldmlString;
}
/**
* Returns either LDML equivalent of the current option or empty string.
*/
function appendToLDMLString(option, pairs) {
if (option !== undefined) {
return pairs[option];
} else {
return '';
}
}
/**
* Returns object that matches LDML representation of the date.
*/
function fromLDMLString(ldmlString) {
// First remove '' quoted text, so we lose 'Uhr' strings.
ldmlString = ldmlString.replace(QUOTED_STRING_RE, '');
var options = {};
var match = ldmlString.match(/E{3,5}/g);
options = appendToDateTimeObject(
options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'});
match = ldmlString.match(/G{3,5}/g);
options = appendToDateTimeObject(
options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'});
match = ldmlString.match(/y{1,2}/g);
options = appendToDateTimeObject(
options, 'year', match, {y: 'numeric', yy: '2-digit'});
match = ldmlString.match(/M{1,5}/g);
options = appendToDateTimeObject(options, 'month', match, {MM: '2-digit',
M: 'numeric', MMMMM: 'narrow', MMM: 'short', MMMM: 'long'});
// Sometimes we get L instead of M for month - standalone name.
match = ldmlString.match(/L{1,5}/g);
options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit',
L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'});
match = ldmlString.match(/d{1,2}/g);
options = appendToDateTimeObject(
options, 'day', match, {d: 'numeric', dd: '2-digit'});
match = ldmlString.match(/h{1,2}/g);
if (match !== null) {
options['hour12'] = true;
}
options = appendToDateTimeObject(
options, 'hour', match, {h: 'numeric', hh: '2-digit'});
match = ldmlString.match(/H{1,2}/g);
if (match !== null) {
options['hour12'] = false;
}
options = appendToDateTimeObject(
options, 'hour', match, {H: 'numeric', HH: '2-digit'});
match = ldmlString.match(/m{1,2}/g);
options = appendToDateTimeObject(
options, 'minute', match, {m: 'numeric', mm: '2-digit'});
match = ldmlString.match(/s{1,2}/g);
options = appendToDateTimeObject(
options, 'second', match, {s: 'numeric', ss: '2-digit'});
match = ldmlString.match(/v{1,2}/g);
options = appendToDateTimeObject(
options, 'timeZoneName', match, {v: 'short', vv: 'long'});
return options;
}
function appendToDateTimeObject(options, option, match, pairs) {
if (match === null) {
if (!options.hasOwnProperty(option)) {
defineWEProperty(options, option, undefined);
}
return options;
}
var property = match[0];
defineWEProperty(options, option, pairs[property]);
return options;
}
/**
* Returns options with at least default values in it.
*/
function toDateTimeOptions(options, required, defaults) {
if (options === undefined) {
options = null;
} else {
options = toObject(options);
}
options = Object.apply(this, [options]);
var needsDefault = true;
if ((required === 'date' || required === 'any') &&
(options.weekday !== undefined || options.year !== undefined ||
options.month !== undefined || options.day !== undefined)) {
needsDefault = false;
}
if ((required === 'time' || required === 'any') &&
(options.hour !== undefined || options.minute !== undefined ||
options.second !== undefined)) {
needsDefault = false;
}
if (needsDefault && (defaults === 'date' || defaults === 'all')) {
Object.defineProperty(options, 'year', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
Object.defineProperty(options, 'month', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
Object.defineProperty(options, 'day', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
}
if (needsDefault && (defaults === 'time' || defaults === 'all')) {
Object.defineProperty(options, 'hour', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
Object.defineProperty(options, 'minute', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
Object.defineProperty(options, 'second', {value: 'numeric',
writable: true,
enumerable: true,
configurable: true});
}
return options;
}
/**
* Initializes the given object so it's a valid DateTimeFormat instance.
* Useful for subclassing.
*/
function initializeDateTimeFormat(dateFormat, locales, options) {
native function NativeJSCreateDateTimeFormat();
if (dateFormat.hasOwnProperty('__initializedIntlObject')) {
throw new TypeError('Trying to re-initialize DateTimeFormat object.');
}
if (options === undefined) {
options = {};
}
var locale = resolveLocale('dateformat', locales, options);
options = toDateTimeOptions(options, 'any', 'date');
var getOption = getGetOption(options, 'dateformat');
// We implement only best fit algorithm, but still need to check
// if the formatMatcher values are in range.
var matcher = getOption('formatMatcher', 'string',
['basic', 'best fit'], 'best fit');
// Build LDML string for the skeleton that we pass to the formatter.
var ldmlString = toLDMLString(options);
// Filter out supported extension keys so we know what to put in resolved
// section later on.
// We need to pass calendar and number system to the method.
var tz = canonicalizeTimeZoneID(options.timeZone);
// ICU prefers options to be passed using -u- extension key/values, so
// we need to build that.
var internalOptions = {};
var extensionMap = parseExtension(locale.extension);
var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP,
getOption, internalOptions);
var requestedLocale = locale.locale + extension;
var resolved = Object.defineProperties({}, {
calendar: {writable: true},
day: {writable: true},
era: {writable: true},
hour12: {writable: true},
hour: {writable: true},
locale: {writable: true},
minute: {writable: true},
month: {writable: true},
numberingSystem: {writable: true},
pattern: {writable: true},
requestedLocale: {value: requestedLocale, writable: true},
second: {writable: true},
timeZone: {writable: true},
timeZoneName: {writable: true},
tz: {value: tz, writable: true},
weekday: {writable: true},
year: {writable: true}
});
var formatter = NativeJSCreateDateTimeFormat(
requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved);
if (tz !== undefined && tz !== resolved.timeZone) {
throw new RangeError('Unsupported time zone specified ' + tz);
}
Object.defineProperty(dateFormat, 'formatter', {value: formatter});
Object.defineProperty(dateFormat, 'resolved', {value: resolved});
Object.defineProperty(dateFormat, '__initializedIntlObject',
{value: 'dateformat'});
return dateFormat;
}
/**
* Constructs Intl.DateTimeFormat object given optional locales and options
* parameters.
*
* @constructor
*/
%SetProperty(Intl, 'DateTimeFormat', function() {
var locales = arguments[0];
var options = arguments[1];
if (!this || this === Intl) {
// Constructor is called as a function.
return new Intl.DateTimeFormat(locales, options);
}
return initializeDateTimeFormat(toObject(this), locales, options);
},
ATTRIBUTES.DONT_ENUM
);
/**
* DateTimeFormat resolvedOptions method.
*/
%SetProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (!this || typeof this !== 'object' ||
this.__initializedIntlObject !== 'dateformat') {
throw new TypeError('resolvedOptions method called on a non-object or ' +
'on a object that is not Intl.DateTimeFormat.');
}
var format = this;
var fromPattern = fromLDMLString(format.resolved.pattern);
var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar];
if (userCalendar === undefined) {
// Use ICU name if we don't have a match. It shouldn't happen, but
// it would be too strict to throw for this.
userCalendar = format.resolved.calendar;
}
var locale = getOptimalLanguageTag(format.resolved.requestedLocale,
format.resolved.locale);
var result = {
locale: locale,
numberingSystem: format.resolved.numberingSystem,
calendar: userCalendar,
timeZone: format.resolved.timeZone
};
addWECPropertyIfDefined(result, 'timeZoneName', fromPattern.timeZoneName);
addWECPropertyIfDefined(result, 'era', fromPattern.era);
addWECPropertyIfDefined(result, 'year', fromPattern.year);
addWECPropertyIfDefined(result, 'month', fromPattern.month);
addWECPropertyIfDefined(result, 'day', fromPattern.day);
addWECPropertyIfDefined(result, 'weekday', fromPattern.weekday);
addWECPropertyIfDefined(result, 'hour12', fromPattern.hour12);
addWECPropertyIfDefined(result, 'hour', fromPattern.hour);
addWECPropertyIfDefined(result, 'minute', fromPattern.minute);
addWECPropertyIfDefined(result, 'second', fromPattern.second);
return result;
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.DateTimeFormat.prototype.resolvedOptions);
/**
* Returns the subset of the given locale list for which this locale list
* has a matching (possibly fallback) locale. Locales appear in the same
* order in the returned list as in the input list.
* Options are optional parameter.
*/
%SetProperty(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return supportedLocalesOf('dateformat', locales, arguments[1]);
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.DateTimeFormat.supportedLocalesOf);
/**
* Returns a String value representing the result of calling ToNumber(date)
* according to the effective locale and the formatting options of this
* DateTimeFormat.
*/
function formatDate(formatter, dateValue) {
native function NativeJSInternalDateFormat();
var dateMs;
if (dateValue === undefined) {
dateMs = Date.now();
} else {
dateMs = Number(dateValue);
}
if (!isFinite(dateMs)) {
throw new RangeError('Provided date is not in valid range.');
}
return NativeJSInternalDateFormat(formatter.formatter, new Date(dateMs));
}
/**
* Returns a Date object representing the result of calling ToString(value)
* according to the effective locale and the formatting options of this
* DateTimeFormat.
* Returns undefined if date string cannot be parsed.
*/
function parseDate(formatter, value) {
native function NativeJSInternalDateParse();
return NativeJSInternalDateParse(formatter.formatter, String(value));
}
// 0 because date is optional argument.
addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0);
addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
/**
* Returns canonical Area/Location name, or throws an exception if the zone
* name is invalid IANA name.
*/
function canonicalizeTimeZoneID(tzID) {
// Skip undefined zones.
if (tzID === undefined) {
return tzID;
}
// Special case handling (UTC, GMT).
var upperID = tzID.toUpperCase();
if (upperID === 'UTC' || upperID === 'GMT' ||
upperID === 'ETC/UTC' || upperID === 'ETC/GMT') {
return 'UTC';
}
// We expect only _ and / beside ASCII letters.
// All inputs should conform to Area/Location from now on.
var match = TIMEZONE_NAME_CHECK_RE.exec(tzID);
if (match === null) {
throw new RangeError('Expected Area/Location for time zone, got ' + tzID);
}
var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]);
var i = 3;
while (match[i] !== undefined && i < match.length) {
result = result + '_' + toTitleCaseWord(match[i]);
i++;
}
return result;
}

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
// Fix RegExp global state so we don't fail WebKit layout test:
// fast/js/regexp-caching.html
// It seems that 'g' or test() operations leave state changed.
var CLEANUP_RE = new RegExp('');
CLEANUP_RE.test('');
return Intl;
}());
// Alias v8Intl to Intl so we don't break existing applications.
// TODO(cira): Remove in a couple of months (starting at Oct 1st 2012).
var v8Intl = Intl;

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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.
/**
* List of available services.
*/
var AVAILABLE_SERVICES = ['collator',
'numberformat',
'dateformat',
'breakiterator'];
/**
* Caches available locales for each service.
*/
var AVAILABLE_LOCALES = {
'collator': undefined,
'numberformat': undefined,
'dateformat': undefined,
'breakiterator': undefined
};
/**
* Caches default ICU locale.
*/
var DEFAULT_ICU_LOCALE = undefined;
/**
* Unicode extension regular expression.
*/
var UNICODE_EXTENSION_RE = new RegExp('-u(-[a-z0-9]{2,8})+', 'g');
/**
* Matches any Unicode extension.
*/
var ANY_EXTENSION_RE = new RegExp('-[a-z0-9]{1}-.*', 'g');
/**
* Replace quoted text (single quote, anything but the quote and quote again).
*/
var QUOTED_STRING_RE = new RegExp("'[^']+'", 'g');
/**
* Matches valid service name.
*/
var SERVICE_RE =
new RegExp('^(collator|numberformat|dateformat|breakiterator)$');
/**
* Validates a language tag against bcp47 spec.
* Actual value is assigned on first run.
*/
var LANGUAGE_TAG_RE = undefined;
/**
* Helps find duplicate variants in the language tag.
*/
var LANGUAGE_VARIANT_RE = undefined;
/**
* Helps find duplicate singletons in the language tag.
*/
var LANGUAGE_SINGLETON_RE = undefined;
/**
* Matches valid IANA time zone names.
*/
var TIMEZONE_NAME_CHECK_RE =
new RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$');
/**
* Maps ICU calendar names into LDML type.
*/
var ICU_CALENDAR_MAP = {
'gregorian': 'gregory',
'japanese': 'japanese',
'buddhist': 'buddhist',
'roc': 'roc',
'persian': 'persian',
'islamic-civil': 'islamicc',
'islamic': 'islamic',
'hebrew': 'hebrew',
'chinese': 'chinese',
'indian': 'indian',
'coptic': 'coptic',
'ethiopic': 'ethiopic',
'ethiopic-amete-alem': 'ethioaa'
};
/**
* Map of Unicode extensions to option properties, and their values and types,
* for a collator.
*/
var COLLATOR_KEY_MAP = {
'kn': {'property': 'numeric', 'type': 'boolean'},
'kf': {'property': 'caseFirst', 'type': 'string',
'values': ['false', 'lower', 'upper']}
};
/**
* Map of Unicode extensions to option properties, and their values and types,
* for a number format.
*/
var NUMBER_FORMAT_KEY_MAP = {
'nu': {'property': undefined, 'type': 'string'}
};
/**
* Map of Unicode extensions to option properties, and their values and types,
* for a date/time format.
*/
var DATETIME_FORMAT_KEY_MAP = {
'ca': {'property': undefined, 'type': 'string'},
'nu': {'property': undefined, 'type': 'string'}
};
/**
* Allowed -u-co- values. List taken from:
* http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml
*/
var ALLOWED_CO_VALUES = [
'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic',
'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin'
];
/**
* Object attributes (configurable, writable, enumerable).
* To combine attributes, OR them.
* Values/names are copied from v8/include/v8.h:PropertyAttribute
*/
var ATTRIBUTES = {
'NONE': 0,
'READ_ONLY': 1,
'DONT_ENUM': 2,
'DONT_DELETE': 4
};
/**
* Error message for when function object is created with new and it's not
* a constructor.
*/
var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR =
'Function object that\'s not a constructor was created with new';

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Intl object is a single object that has some named properties,
* all of which are constructors.
*/
var Intl = (function() {
'use strict';
var Intl = {};

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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-extension.h"
#include "break-iterator.h"
#include "collator.h"
#include "date-format.h"
#include "locale.h"
#include "natives.h"
#include "number-format.h"
using v8::internal::I18NNatives;
namespace v8_i18n {
Extension::Extension()
: v8::Extension("v8/i18n",
reinterpret_cast<const char*>(
I18NNatives::GetScriptsSource().start()),
0,
0,
I18NNatives::GetScriptsSource().length()) {}
v8::Handle<v8::FunctionTemplate> Extension::GetNativeFunction(
v8::Handle<v8::String> name) {
// Standalone, helper methods.
if (name->Equals(v8::String::New("NativeJSCanonicalizeLanguageTag"))) {
return v8::FunctionTemplate::New(JSCanonicalizeLanguageTag);
} else if (name->Equals(v8::String::New("NativeJSAvailableLocalesOf"))) {
return v8::FunctionTemplate::New(JSAvailableLocalesOf);
} else if (name->Equals(v8::String::New("NativeJSGetDefaultICULocale"))) {
return v8::FunctionTemplate::New(JSGetDefaultICULocale);
} else if (name->Equals(v8::String::New("NativeJSGetLanguageTagVariants"))) {
return v8::FunctionTemplate::New(JSGetLanguageTagVariants);
}
// Date format and parse.
if (name->Equals(v8::String::New("NativeJSCreateDateTimeFormat"))) {
return v8::FunctionTemplate::New(DateFormat::JSCreateDateTimeFormat);
} else if (name->Equals(v8::String::New("NativeJSInternalDateFormat"))) {
return v8::FunctionTemplate::New(DateFormat::JSInternalFormat);
} else if (name->Equals(v8::String::New("NativeJSInternalDateParse"))) {
return v8::FunctionTemplate::New(DateFormat::JSInternalParse);
}
// Number format and parse.
if (name->Equals(v8::String::New("NativeJSCreateNumberFormat"))) {
return v8::FunctionTemplate::New(NumberFormat::JSCreateNumberFormat);
} else if (name->Equals(v8::String::New("NativeJSInternalNumberFormat"))) {
return v8::FunctionTemplate::New(NumberFormat::JSInternalFormat);
} else if (name->Equals(v8::String::New("NativeJSInternalNumberParse"))) {
return v8::FunctionTemplate::New(NumberFormat::JSInternalParse);
}
// Collator.
if (name->Equals(v8::String::New("NativeJSCreateCollator"))) {
return v8::FunctionTemplate::New(Collator::JSCreateCollator);
} else if (name->Equals(v8::String::New("NativeJSInternalCompare"))) {
return v8::FunctionTemplate::New(Collator::JSInternalCompare);
}
// Break iterator.
if (name->Equals(v8::String::New("NativeJSCreateBreakIterator"))) {
return v8::FunctionTemplate::New(BreakIterator::JSCreateBreakIterator);
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorAdoptText"))) {
return v8::FunctionTemplate::New(
BreakIterator::JSInternalBreakIteratorAdoptText);
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorFirst"))) {
return v8::FunctionTemplate::New(
BreakIterator::JSInternalBreakIteratorFirst);
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorNext"))) {
return v8::FunctionTemplate::New(
BreakIterator::JSInternalBreakIteratorNext);
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorCurrent"))) {
return v8::FunctionTemplate::New(
BreakIterator::JSInternalBreakIteratorCurrent);
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorBreakType"))) {
return v8::FunctionTemplate::New(
BreakIterator::JSInternalBreakIteratorBreakType);
}
return v8::Handle<v8::FunctionTemplate>();
}
void Extension::Register() {
static Extension i18n_extension;
static v8::DeclareExtension extension_declaration(&i18n_extension);
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
#define V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
#include "v8.h"
namespace v8_i18n {
class Extension : public v8::Extension {
public:
Extension();
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name);
static void Register();
private:
static Extension* extension_;
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_I18N_EXTENSION_H_

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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-utils.h"
#include <string.h>
#include "unicode/unistr.h"
namespace v8_i18n {
// static
void Utils::StrNCopy(char* dest, int length, const char* src) {
if (!dest || !src) return;
strncpy(dest, src, length);
dest[length - 1] = '\0';
}
// static
bool Utils::V8StringToUnicodeString(const v8::Handle<v8::Value>& input,
icu::UnicodeString* output) {
v8::String::Utf8Value utf8_value(input);
if (*utf8_value == NULL) return false;
output->setTo(icu::UnicodeString::fromUTF8(*utf8_value));
return true;
}
// static
bool Utils::ExtractStringSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
icu::UnicodeString* result) {
if (!setting || !result) return false;
v8::HandleScope handle_scope;
v8::TryCatch try_catch;
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting));
if (try_catch.HasCaught()) {
return false;
}
// No need to check if |value| is empty because it's taken care of
// by TryCatch above.
if (!value->IsUndefined() && !value->IsNull() && value->IsString()) {
return V8StringToUnicodeString(value, result);
}
return false;
}
// static
bool Utils::ExtractIntegerSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
int32_t* result) {
if (!setting || !result) return false;
v8::HandleScope handle_scope;
v8::TryCatch try_catch;
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting));
if (try_catch.HasCaught()) {
return false;
}
// No need to check if |value| is empty because it's taken care of
// by TryCatch above.
if (!value->IsUndefined() && !value->IsNull() && value->IsNumber()) {
*result = static_cast<int32_t>(value->Int32Value());
return true;
}
return false;
}
// static
bool Utils::ExtractBooleanSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
bool* result) {
if (!setting || !result) return false;
v8::HandleScope handle_scope;
v8::TryCatch try_catch;
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting));
if (try_catch.HasCaught()) {
return false;
}
// No need to check if |value| is empty because it's taken care of
// by TryCatch above.
if (!value->IsUndefined() && !value->IsNull() && value->IsBoolean()) {
*result = static_cast<bool>(value->BooleanValue());
return true;
}
return false;
}
// static
void Utils::AsciiToUChar(const char* source,
int32_t source_length,
UChar* target,
int32_t target_length) {
int32_t length =
source_length < target_length ? source_length : target_length;
if (length <= 0) {
return;
}
for (int32_t i = 0; i < length - 1; ++i) {
target[i] = static_cast<UChar>(source[i]);
}
target[length - 1] = 0x0u;
}
// static
// Chrome Linux doesn't like static initializers in class, so we create
// template on demand.
v8::Local<v8::ObjectTemplate> Utils::GetTemplate(v8::Isolate* isolate) {
static v8::Persistent<v8::ObjectTemplate> icu_template;
if (icu_template.IsEmpty()) {
v8::Local<v8::ObjectTemplate> raw_template(v8::ObjectTemplate::New());
// Set aside internal field for ICU class.
raw_template->SetInternalFieldCount(1);
icu_template.Reset(isolate, raw_template);
}
return v8::Local<v8::ObjectTemplate>::New(isolate, icu_template);
}
// static
// Chrome Linux doesn't like static initializers in class, so we create
// template on demand. This one has 2 internal fields.
v8::Local<v8::ObjectTemplate> Utils::GetTemplate2(v8::Isolate* isolate) {
static v8::Persistent<v8::ObjectTemplate> icu_template_2;
if (icu_template_2.IsEmpty()) {
v8::Local<v8::ObjectTemplate> raw_template(v8::ObjectTemplate::New());
// Set aside internal field for ICU class and additional data.
raw_template->SetInternalFieldCount(2);
icu_template_2.Reset(isolate, raw_template);
}
return v8::Local<v8::ObjectTemplate>::New(isolate, icu_template_2);
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_SRC_UTILS_H_
#define V8_EXTENSIONS_I18N_SRC_UTILS_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace U_ICU_NAMESPACE {
class UnicodeString;
}
namespace v8_i18n {
class Utils {
public:
// Safe string copy. Null terminates the destination. Copies at most
// (length - 1) bytes.
// We can't use snprintf since it's not supported on all relevant platforms.
// We can't use OS::SNPrintF, it's only for internal code.
static void StrNCopy(char* dest, int length, const char* src);
// Converts v8::String into UnicodeString. Returns false if input
// can't be converted into utf8.
static bool V8StringToUnicodeString(const v8::Handle<v8::Value>& input,
icu::UnicodeString* output);
// Extract a String setting named in |settings| and set it to |result|.
// Return true if it's specified. Otherwise, return false.
static bool ExtractStringSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
icu::UnicodeString* result);
// Extract a Integer setting named in |settings| and set it to |result|.
// Return true if it's specified. Otherwise, return false.
static bool ExtractIntegerSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
int32_t* result);
// Extract a Boolean setting named in |settings| and set it to |result|.
// Return true if it's specified. Otherwise, return false.
static bool ExtractBooleanSetting(const v8::Handle<v8::Object>& settings,
const char* setting,
bool* result);
// Converts ASCII array into UChar array.
// Target is always \0 terminated.
static void AsciiToUChar(const char* source,
int32_t source_length,
UChar* target,
int32_t target_length);
// Creates an ObjectTemplate with one internal field.
static v8::Local<v8::ObjectTemplate> GetTemplate(v8::Isolate* isolate);
// Creates an ObjectTemplate with two internal fields.
static v8::Local<v8::ObjectTemplate> GetTemplate2(v8::Isolate* isolate);
private:
Utils() {}
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_UTILS_H_

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Adds bound method to the prototype of the given object.
*/
function addBoundMethod(obj, methodName, implementation, length) {
function getter() {
if (!this || typeof this !== 'object' ||
this.__initializedIntlObject === undefined) {
throw new TypeError('Method ' + methodName + ' called on a ' +
'non-object or on a wrong type of object.');
}
var internalName = '__bound' + methodName + '__';
if (this[internalName] === undefined) {
var that = this;
var boundMethod;
if (length === undefined || length === 2) {
boundMethod = function(x, y) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return implementation(that, x, y);
}
} else if (length === 1) {
boundMethod = function(x) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return implementation(that, x);
}
} else {
boundMethod = function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
// DateTimeFormat.format needs to be 0 arg method, but can stil
// receive optional dateValue param. If one was provided, pass it
// along.
if (arguments.length > 0) {
return implementation(that, arguments[0]);
} else {
return implementation(that);
}
}
}
%FunctionRemovePrototype(boundMethod);
this[internalName] = boundMethod;
}
return this[internalName];
}
%FunctionRemovePrototype(getter);
Object.defineProperty(obj.prototype, methodName, {
get: getter,
enumerable: false,
configurable: true
});
}
/**
* Returns an intersection of locales and service supported locales.
* Parameter locales is treated as a priority list.
*/
function supportedLocalesOf(service, locales, options) {
if (service.match(SERVICE_RE) === null) {
throw new Error('Internal error, wrong service type: ' + service);
}
// Provide defaults if matcher was not specified.
if (options === undefined) {
options = {};
} else {
options = toObject(options);
}
var matcher = options.localeMatcher;
if (matcher !== undefined) {
matcher = String(matcher);
if (matcher !== 'lookup' && matcher !== 'best fit') {
throw new RangeError('Illegal value for localeMatcher:' + matcher);
}
} else {
matcher = 'best fit';
}
var requestedLocales = initializeLocaleList(locales);
// Cache these, they don't ever change per service.
if (AVAILABLE_LOCALES[service] === undefined) {
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
}
// Use either best fit or lookup algorithm to match locales.
if (matcher === 'best fit') {
return initializeLocaleList(bestFitSupportedLocalesOf(
requestedLocales, AVAILABLE_LOCALES[service]));
}
return initializeLocaleList(lookupSupportedLocalesOf(
requestedLocales, AVAILABLE_LOCALES[service]));
}
/**
* Returns the subset of the provided BCP 47 language priority list for which
* this service has a matching locale when using the BCP 47 Lookup algorithm.
* Locales appear in the same order in the returned list as in the input list.
*/
function lookupSupportedLocalesOf(requestedLocales, availableLocales) {
var matchedLocales = [];
for (var i = 0; i < requestedLocales.length; ++i) {
// Remove -u- extension.
var locale = requestedLocales[i].replace(UNICODE_EXTENSION_RE, '');
do {
if (availableLocales[locale] !== undefined) {
// Push requested locale not the resolved one.
matchedLocales.push(requestedLocales[i]);
break;
}
// Truncate locale if possible, if not break.
var pos = locale.lastIndexOf('-');
if (pos === -1) {
break;
}
locale = locale.substring(0, pos);
} while (true);
}
return matchedLocales;
}
/**
* Returns the subset of the provided BCP 47 language priority list for which
* this service has a matching locale when using the implementation
* dependent algorithm.
* Locales appear in the same order in the returned list as in the input list.
*/
function bestFitSupportedLocalesOf(requestedLocales, availableLocales) {
// TODO(cira): implement better best fit algorithm.
return lookupSupportedLocalesOf(requestedLocales, availableLocales);
}
/**
* Returns a getOption function that extracts property value for given
* options object. If property is missing it returns defaultValue. If value
* is out of range for that property it throws RangeError.
*/
function getGetOption(options, caller) {
if (options === undefined) {
throw new Error('Internal ' + caller + ' error. ' +
'Default options are missing.');
}
function getOption(property, type, values, defaultValue) {
if (options[property] !== undefined) {
var value = options[property];
switch (type) {
case 'boolean':
value = Boolean(value);
break;
case 'string':
value = String(value);
break;
case 'number':
value = Number(value);
break;
default:
throw new Error('Internal error. Wrong value type.');
}
if (values !== undefined && values.indexOf(value) === -1) {
throw new RangeError('Value ' + value + ' out of range for ' + caller +
' options property ' + property);
}
return value;
}
return defaultValue;
}
return getOption;
}
/**
* Compares a BCP 47 language priority list requestedLocales against the locales
* in availableLocales and determines the best available language to meet the
* request. Two algorithms are available to match the locales: the Lookup
* algorithm described in RFC 4647 section 3.4, and an implementation dependent
* best-fit algorithm. Independent of the locale matching algorithm, options
* specified through Unicode locale extension sequences are negotiated
* separately, taking the caller's relevant extension keys and locale data as
* well as client-provided options into consideration. Returns an object with
* a locale property whose value is the language tag of the selected locale,
* and properties for each key in relevantExtensionKeys providing the selected
* value for that key.
*/
function resolveLocale(service, requestedLocales, options) {
requestedLocales = initializeLocaleList(requestedLocales);
var getOption = getGetOption(options, service);
var matcher = getOption('localeMatcher', 'string',
['lookup', 'best fit'], 'best fit');
var resolved;
if (matcher === 'lookup') {
resolved = lookupMatcher(service, requestedLocales);
} else {
resolved = bestFitMatcher(service, requestedLocales);
}
return resolved;
}
/**
* Returns best matched supported locale and extension info using basic
* lookup algorithm.
*/
function lookupMatcher(service, requestedLocales) {
native function NativeJSGetDefaultICULocale();
if (service.match(SERVICE_RE) === null) {
throw new Error('Internal error, wrong service type: ' + service);
}
// Cache these, they don't ever change per service.
if (AVAILABLE_LOCALES[service] === undefined) {
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
}
for (var i = 0; i < requestedLocales.length; ++i) {
// Remove all extensions.
var locale = requestedLocales[i].replace(ANY_EXTENSION_RE, '');
do {
if (AVAILABLE_LOCALES[service][locale] !== undefined) {
// Return the resolved locale and extension.
var extensionMatch = requestedLocales[i].match(UNICODE_EXTENSION_RE);
var extension = (extensionMatch === null) ? '' : extensionMatch[0];
return {'locale': locale, 'extension': extension, 'position': i};
}
// Truncate locale if possible.
var pos = locale.lastIndexOf('-');
if (pos === -1) {
break;
}
locale = locale.substring(0, pos);
} while (true);
}
// Didn't find a match, return default.
if (DEFAULT_ICU_LOCALE === undefined) {
DEFAULT_ICU_LOCALE = NativeJSGetDefaultICULocale();
}
return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1};
}
/**
* Returns best matched supported locale and extension info using
* implementation dependend algorithm.
*/
function bestFitMatcher(service, requestedLocales) {
// TODO(cira): implement better best fit algorithm.
return lookupMatcher(service, requestedLocales);
}
/**
* Parses Unicode extension into key - value map.
* Returns empty object if the extension string is invalid.
* We are not concerned with the validity of the values at this point.
*/
function parseExtension(extension) {
var extensionSplit = extension.split('-');
// Assume ['', 'u', ...] input, but don't throw.
if (extensionSplit.length <= 2 ||
(extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) {
return {};
}
// Key is {2}alphanum, value is {3,8}alphanum.
// Some keys may not have explicit values (booleans).
var extensionMap = {};
var previousKey = undefined;
for (var i = 2; i < extensionSplit.length; ++i) {
var length = extensionSplit[i].length;
var element = extensionSplit[i];
if (length === 2) {
extensionMap[element] = undefined;
previousKey = element;
} else if (length >= 3 && length <=8 && previousKey !== undefined) {
extensionMap[previousKey] = element;
previousKey = undefined;
} else {
// There is a value that's too long, or that doesn't have a key.
return {};
}
}
return extensionMap;
}
/**
* Converts parameter to an Object if possible.
*/
function toObject(value) {
if (value === undefined || value === null) {
throw new TypeError('Value cannot be converted to an Object.');
}
return Object(value);
}
/**
* Populates internalOptions object with boolean key-value pairs
* from extensionMap and options.
* Returns filtered extension (number and date format constructors use
* Unicode extensions for passing parameters to ICU).
* It's used for extension-option pairs only, e.g. kn-normalization, but not
* for 'sensitivity' since it doesn't have extension equivalent.
* Extensions like nu and ca don't have options equivalent, so we place
* undefined in the map.property to denote that.
*/
function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) {
var extension = '';
function updateExtension(key, value) {
return '-' + key + '-' + String(value);
}
function updateProperty(property, type, value) {
if (type === 'boolean' && (typeof value === 'string')) {
value = (value === 'true') ? true : false;
}
if (property !== undefined) {
defineWEProperty(outOptions, property, value);
}
}
for (var key in keyValues) {
if (keyValues.hasOwnProperty(key)) {
var value = undefined;
var map = keyValues[key];
if (map.property !== undefined) {
// This may return true if user specifies numeric: 'false', since
// Boolean('nonempty') === true.
value = getOption(map.property, map.type, map.values);
}
if (value !== undefined) {
updateProperty(map.property, map.type, value);
extension += updateExtension(key, value);
continue;
}
// User options didn't have it, check Unicode extension.
// Here we want to convert strings 'true', 'false' into proper Boolean
// values (not a user error).
if (extensionMap.hasOwnProperty(key)) {
value = extensionMap[key];
if (value !== undefined) {
updateProperty(map.property, map.type, value);
extension += updateExtension(key, value);
} else if (map.type === 'boolean') {
// Boolean keys are allowed not to have values in Unicode extension.
// Those default to true.
updateProperty(map.property, map.type, true);
extension += updateExtension(key, true);
}
}
}
}
return extension === ''? '' : '-u' + extension;
}
/**
* Converts all OwnProperties into
* configurable: false, writable: false, enumerable: true.
*/
function freezeArray(array) {
array.forEach(function(element, index) {
Object.defineProperty(array, index, {value: element,
configurable: false,
writable: false,
enumerable: true});
});
Object.defineProperty(array, 'length', {value: array.length,
writable: false});
return array;
}
/**
* It's sometimes desireable to leave user requested locale instead of ICU
* supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter
* one, if that was what user requested).
* This function returns user specified tag if its maximized form matches ICU
* resolved locale. If not we return ICU result.
*/
function getOptimalLanguageTag(original, resolved) {
// Returns Array<Object>, where each object has maximized and base properties.
// Maximized: zh -> zh-Hans-CN
// Base: zh-CN-u-ca-gregory -> zh-CN
native function NativeJSGetLanguageTagVariants();
// Take care of grandfathered or simple cases.
if (original === resolved) {
return original;
}
var locales = NativeJSGetLanguageTagVariants([original, resolved]);
if (locales[0].maximized !== locales[1].maximized) {
return resolved;
}
// Preserve extensions of resolved locale, but swap base tags with original.
var resolvedBase = new RegExp('^' + locales[1].base);
return resolved.replace(resolvedBase, locales[0].base);
}
/**
* Returns an Object that contains all of supported locales for a given
* service.
* In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ
* that is supported. This is required by the spec.
*/
function getAvailableLocalesOf(service) {
native function NativeJSAvailableLocalesOf();
var available = NativeJSAvailableLocalesOf(service);
for (var i in available) {
if (available.hasOwnProperty(i)) {
var parts = i.match(/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/);
if (parts !== null) {
// Build xx-ZZ. We don't care about the actual value,
// as long it's not undefined.
available[parts[1] + '-' + parts[3]] = null;
}
}
}
return available;
}
/**
* Defines a property and sets writable and enumerable to true.
* Configurable is false by default.
*/
function defineWEProperty(object, property, value) {
Object.defineProperty(object, property,
{value: value, writable: true, enumerable: true});
}
/**
* Adds property to an object if the value is not undefined.
* Sets configurable descriptor to false.
*/
function addWEPropertyIfDefined(object, property, value) {
if (value !== undefined) {
defineWEProperty(object, property, value);
}
}
/**
* Defines a property and sets writable, enumerable and configurable to true.
*/
function defineWECProperty(object, property, value) {
Object.defineProperty(object, property,
{value: value,
writable: true,
enumerable: true,
configurable: true});
}
/**
* Adds property to an object if the value is not undefined.
* Sets all descriptors to true.
*/
function addWECPropertyIfDefined(object, property, value) {
if (value !== undefined) {
defineWECProperty(object, property, value);
}
}
/**
* Returns titlecased word, aMeRricA -> America.
*/
function toTitleCaseWord(word) {
return word.substr(0, 1).toUpperCase() + word.substr(1).toLowerCase();
}

248
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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 "locale.h"
#include <string.h>
#include "unicode/brkiter.h"
#include "unicode/coll.h"
#include "unicode/datefmt.h"
#include "unicode/numfmt.h"
#include "unicode/uloc.h"
#include "unicode/uversion.h"
namespace v8_i18n {
void JSCanonicalizeLanguageTag(
const v8::FunctionCallbackInfo<v8::Value>& args) {
// Expect locale id which is a string.
if (args.Length() != 1 || !args[0]->IsString()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Locale identifier, as a string, is required.")));
return;
}
UErrorCode error = U_ZERO_ERROR;
char icu_result[ULOC_FULLNAME_CAPACITY];
int icu_length = 0;
// Return value which denotes invalid language tag.
const char* const kInvalidTag = "invalid-tag";
v8::String::AsciiValue locale_id(args[0]->ToString());
if (*locale_id == NULL) {
args.GetReturnValue().Set(v8::String::New(kInvalidTag));
return;
}
uloc_forLanguageTag(*locale_id, icu_result, ULOC_FULLNAME_CAPACITY,
&icu_length, &error);
if (U_FAILURE(error) || icu_length == 0) {
args.GetReturnValue().Set(v8::String::New(kInvalidTag));
return;
}
char result[ULOC_FULLNAME_CAPACITY];
// Force strict BCP47 rules.
uloc_toLanguageTag(icu_result, result, ULOC_FULLNAME_CAPACITY, TRUE, &error);
if (U_FAILURE(error)) {
args.GetReturnValue().Set(v8::String::New(kInvalidTag));
return;
}
args.GetReturnValue().Set(v8::String::New(result));
}
void JSAvailableLocalesOf(const v8::FunctionCallbackInfo<v8::Value>& args) {
// Expect service name which is a string.
if (args.Length() != 1 || !args[0]->IsString()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Service identifier, as a string, is required.")));
return;
}
const icu::Locale* available_locales = NULL;
int32_t count = 0;
v8::String::AsciiValue service(args[0]->ToString());
if (strcmp(*service, "collator") == 0) {
available_locales = icu::Collator::getAvailableLocales(count);
} else if (strcmp(*service, "numberformat") == 0) {
available_locales = icu::NumberFormat::getAvailableLocales(count);
} else if (strcmp(*service, "dateformat") == 0) {
available_locales = icu::DateFormat::getAvailableLocales(count);
} else if (strcmp(*service, "breakiterator") == 0) {
available_locales = icu::BreakIterator::getAvailableLocales(count);
}
v8::TryCatch try_catch;
UErrorCode error = U_ZERO_ERROR;
char result[ULOC_FULLNAME_CAPACITY];
v8::Handle<v8::Object> locales = v8::Object::New();
for (int32_t i = 0; i < count; ++i) {
const char* icu_name = available_locales[i].getName();
error = U_ZERO_ERROR;
// No need to force strict BCP47 rules.
uloc_toLanguageTag(icu_name, result, ULOC_FULLNAME_CAPACITY, FALSE, &error);
if (U_FAILURE(error)) {
// This shouldn't happen, but lets not break the user.
continue;
}
// Index is just a dummy value for the property value.
locales->Set(v8::String::New(result), v8::Integer::New(i));
if (try_catch.HasCaught()) {
// Ignore error, but stop processing and return.
break;
}
}
args.GetReturnValue().Set(locales);
}
void JSGetDefaultICULocale(const v8::FunctionCallbackInfo<v8::Value>& args) {
icu::Locale default_locale;
// Set the locale
char result[ULOC_FULLNAME_CAPACITY];
UErrorCode status = U_ZERO_ERROR;
uloc_toLanguageTag(
default_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
if (U_SUCCESS(status)) {
args.GetReturnValue().Set(v8::String::New(result));
return;
}
args.GetReturnValue().Set(v8::String::New("und"));
}
void JSGetLanguageTagVariants(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::TryCatch try_catch;
// Expect an array of strings.
if (args.Length() != 1 || !args[0]->IsArray()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error. Expected Array<String>.")));
return;
}
v8::Local<v8::Array> input = v8::Local<v8::Array>::Cast(args[0]);
v8::Handle<v8::Array> output = v8::Array::New(input->Length());
for (unsigned int i = 0; i < input->Length(); ++i) {
v8::Local<v8::Value> locale_id = input->Get(i);
if (try_catch.HasCaught()) {
break;
}
if (!locale_id->IsString()) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error. Array element is missing "
"or it isn't a string.")));
return;
}
v8::String::AsciiValue ascii_locale_id(locale_id);
if (*ascii_locale_id == NULL) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error. Non-ASCII locale identifier.")));
return;
}
UErrorCode error = U_ZERO_ERROR;
// Convert from BCP47 to ICU format.
// de-DE-u-co-phonebk -> de_DE@collation=phonebook
char icu_locale[ULOC_FULLNAME_CAPACITY];
int icu_locale_length = 0;
uloc_forLanguageTag(*ascii_locale_id, icu_locale, ULOC_FULLNAME_CAPACITY,
&icu_locale_length, &error);
if (U_FAILURE(error) || icu_locale_length == 0) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error. Failed to convert locale to ICU.")));
return;
}
// Maximize the locale.
// de_DE@collation=phonebook -> de_Latn_DE@collation=phonebook
char icu_max_locale[ULOC_FULLNAME_CAPACITY];
uloc_addLikelySubtags(
icu_locale, icu_max_locale, ULOC_FULLNAME_CAPACITY, &error);
// Remove extensions from maximized locale.
// de_Latn_DE@collation=phonebook -> de_Latn_DE
char icu_base_max_locale[ULOC_FULLNAME_CAPACITY];
uloc_getBaseName(
icu_max_locale, icu_base_max_locale, ULOC_FULLNAME_CAPACITY, &error);
// Get original name without extensions.
// de_DE@collation=phonebook -> de_DE
char icu_base_locale[ULOC_FULLNAME_CAPACITY];
uloc_getBaseName(
icu_locale, icu_base_locale, ULOC_FULLNAME_CAPACITY, &error);
// Convert from ICU locale format to BCP47 format.
// de_Latn_DE -> de-Latn-DE
char base_max_locale[ULOC_FULLNAME_CAPACITY];
uloc_toLanguageTag(icu_base_max_locale, base_max_locale,
ULOC_FULLNAME_CAPACITY, FALSE, &error);
// de_DE -> de-DE
char base_locale[ULOC_FULLNAME_CAPACITY];
uloc_toLanguageTag(
icu_base_locale, base_locale, ULOC_FULLNAME_CAPACITY, FALSE, &error);
if (U_FAILURE(error)) {
v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Internal error. Couldn't generate maximized "
"or base locale.")));
return;
}
v8::Handle<v8::Object> result = v8::Object::New();
result->Set(v8::String::New("maximized"), v8::String::New(base_max_locale));
result->Set(v8::String::New("base"), v8::String::New(base_locale));
if (try_catch.HasCaught()) {
break;
}
output->Set(i, result);
if (try_catch.HasCaught()) {
break;
}
}
args.GetReturnValue().Set(output);
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_SRC_LOCALE_H_
#define V8_EXTENSIONS_I18N_SRC_LOCALE_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace v8_i18n {
// Canonicalizes the BCP47 language tag using BCP47 rules.
// Returns 'invalid-tag' in case input was not well formed.
void JSCanonicalizeLanguageTag(const v8::FunctionCallbackInfo<v8::Value>& args);
// Returns a list of available locales for collator, date or number formatter.
void JSAvailableLocalesOf(const v8::FunctionCallbackInfo<v8::Value>& args);
// Returns default ICU locale.
void JSGetDefaultICULocale(const v8::FunctionCallbackInfo<v8::Value>& args);
// Returns an array of objects, that have maximized and base names of inputs.
// Unicode extensions are dropped from both.
// Input: ['zh-TW-u-nu-thai', 'sr']
// Output: [{maximized: 'zh-Hant-TW', base: 'zh-TW'},
// {maximized: 'sr-Cyrl-RS', base: 'sr'}]
void JSGetLanguageTagVariants(const v8::FunctionCallbackInfo<v8::Value>& args);
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_LOCALE_H_

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Canonicalizes the language tag, or throws in case the tag is invalid.
*/
function canonicalizeLanguageTag(localeID) {
native function NativeJSCanonicalizeLanguageTag();
// null is typeof 'object' so we have to do extra check.
if (typeof localeID !== 'string' && typeof localeID !== 'object' ||
localeID === null) {
throw new TypeError('Language ID should be string or object.');
}
var localeString = String(localeID);
if (isValidLanguageTag(localeString) === false) {
throw new RangeError('Invalid language tag: ' + localeString);
}
// This call will strip -kn but not -kn-true extensions.
// ICU bug filled - http://bugs.icu-project.org/trac/ticket/9265.
// TODO(cira): check if -u-kn-true-kc-true-kh-true still throws after
// upgrade to ICU 4.9.
var tag = NativeJSCanonicalizeLanguageTag(localeString);
if (tag === 'invalid-tag') {
throw new RangeError('Invalid language tag: ' + localeString);
}
return tag;
}
/**
* Returns an array where all locales are canonicalized and duplicates removed.
* Throws on locales that are not well formed BCP47 tags.
*/
function initializeLocaleList(locales) {
var seen = [];
if (locales === undefined) {
// Constructor is called without arguments.
seen = [];
} else {
// We allow single string localeID.
if (typeof locales === 'string') {
seen.push(canonicalizeLanguageTag(locales));
return freezeArray(seen);
}
var o = toObject(locales);
// Converts it to UInt32 (>>> is shr on 32bit integers).
var len = o.length >>> 0;
for (var k = 0; k < len; k++) {
if (k in o) {
var value = o[k];
var tag = canonicalizeLanguageTag(value);
if (seen.indexOf(tag) === -1) {
seen.push(tag);
}
}
}
}
return freezeArray(seen);
}
/**
* Validates the language tag. Section 2.2.9 of the bcp47 spec
* defines a valid tag.
*
* ICU is too permissible and lets invalid tags, like
* hant-cmn-cn, through.
*
* Returns false if the language tag is invalid.
*/
function isValidLanguageTag(locale) {
// Check if it's well-formed, including grandfadered tags.
if (LANGUAGE_TAG_RE.test(locale) === false) {
return false;
}
// Just return if it's a x- form. It's all private.
if (locale.indexOf('x-') === 0) {
return true;
}
// Check if there are any duplicate variants or singletons (extensions).
// Remove private use section.
locale = locale.split(/-x-/)[0];
// Skip language since it can match variant regex, so we start from 1.
// We are matching i-klingon here, but that's ok, since i-klingon-klingon
// is not valid and would fail LANGUAGE_TAG_RE test.
var variants = [];
var extensions = [];
var parts = locale.split(/-/);
for (var i = 1; i < parts.length; i++) {
var value = parts[i];
if (LANGUAGE_VARIANT_RE.test(value) === true && extensions.length === 0) {
if (variants.indexOf(value) === -1) {
variants.push(value);
} else {
return false;
}
}
if (LANGUAGE_SINGLETON_RE.test(value) === true) {
if (extensions.indexOf(value) === -1) {
extensions.push(value);
} else {
return false;
}
}
}
return true;
}
/**
* Builds a regular expresion that validates the language tag
* against bcp47 spec.
* Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF.
* Runs on load and initializes the global REs.
*/
(function() {
var alpha = '[a-zA-Z]';
var digit = '[0-9]';
var alphanum = '(' + alpha + '|' + digit + ')';
var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' +
'zh-min|zh-min-nan|zh-xiang)';
var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' +
'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' +
'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)';
var grandfathered = '(' + irregular + '|' + regular + ')';
var privateUse = '(x(-' + alphanum + '{1,8})+)';
var singleton = '(' + digit + '|[A-WY-Za-wy-z])';
LANGUAGE_SINGLETON_RE = new RegExp('^' + singleton + '$', 'i');
var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)';
var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))';
LANGUAGE_VARIANT_RE = new RegExp('^' + variant + '$', 'i');
var region = '(' + alpha + '{2}|' + digit + '{3})';
var script = '(' + alpha + '{4})';
var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})';
var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' +
alpha + '{5,8})';
var langTag = language + '(-' + script + ')?(-' + region + ')?(-' +
variant + ')*(-' + extension + ')*(-' + privateUse + ')?';
var languageTag =
'^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$';
LANGUAGE_TAG_RE = new RegExp(languageTag, 'i');
})();

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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 "number-format.h"
#include <string.h>
#include "i18n-utils.h"
#include "unicode/curramt.h"
#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/locid.h"
#include "unicode/numfmt.h"
#include "unicode/numsys.h"
#include "unicode/uchar.h"
#include "unicode/ucurr.h"
#include "unicode/unum.h"
#include "unicode/uversion.h"
namespace v8_i18n {
static icu::DecimalFormat* InitializeNumberFormat(v8::Handle<v8::String>,
v8::Handle<v8::Object>,
v8::Handle<v8::Object>);
static icu::DecimalFormat* CreateICUNumberFormat(const icu::Locale&,
v8::Handle<v8::Object>);
static void SetResolvedSettings(const icu::Locale&,
icu::DecimalFormat*,
v8::Handle<v8::Object>);
icu::DecimalFormat* NumberFormat::UnpackNumberFormat(
v8::Handle<v8::Object> obj) {
v8::HandleScope handle_scope;
// v8::ObjectTemplate doesn't have HasInstance method so we can't check
// if obj is an instance of NumberFormat class. We'll check for a property
// that has to be in the object. The same applies to other services, like
// Collator and DateTimeFormat.
if (obj->HasOwnProperty(v8::String::New("numberFormat"))) {
return static_cast<icu::DecimalFormat*>(
obj->GetAlignedPointerFromInternalField(0));
}
return NULL;
}
void NumberFormat::DeleteNumberFormat(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param) {
// First delete the hidden C++ object.
// Unpacking should never return NULL here. That would only happen if
// this method is used as the weak callback for persistent handles not
// pointing to a date time formatter.
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object);
delete UnpackNumberFormat(handle);
// Then dispose of the persistent handle to JS object.
object->Dispose(isolate);
}
void NumberFormat::JSInternalFormat(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsNumber()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Formatter and numeric value have to be specified.")));
return;
}
icu::DecimalFormat* number_format = UnpackNumberFormat(args[0]->ToObject());
if (!number_format) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("NumberFormat method called on an object "
"that is not a NumberFormat.")));
return;
}
// ICU will handle actual NaN value properly and return NaN string.
icu::UnicodeString result;
number_format->format(args[1]->NumberValue(), result);
args.GetReturnValue().Set(v8::String::New(
reinterpret_cast<const uint16_t*>(result.getBuffer()), result.length()));
}
void NumberFormat::JSInternalParse(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsString()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Formatter and string have to be specified.")));
return;
}
icu::DecimalFormat* number_format = UnpackNumberFormat(args[0]->ToObject());
if (!number_format) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("NumberFormat method called on an object "
"that is not a NumberFormat.")));
return;
}
// ICU will handle actual NaN value properly and return NaN string.
icu::UnicodeString string_number;
if (!Utils::V8StringToUnicodeString(args[1]->ToString(), &string_number)) {
string_number = "";
}
UErrorCode status = U_ZERO_ERROR;
icu::Formattable result;
// ICU 4.6 doesn't support parseCurrency call. We need to wait for ICU49
// to be part of Chrome.
// TODO(cira): Include currency parsing code using parseCurrency call.
// We need to check if the formatter parses all currencies or only the
// one it was constructed with (it will impact the API - how to return ISO
// code and the value).
number_format->parse(string_number, result, status);
if (U_FAILURE(status)) {
return;
}
switch (result.getType()) {
case icu::Formattable::kDouble:
args.GetReturnValue().Set(result.getDouble());
return;
case icu::Formattable::kLong:
args.GetReturnValue().Set(v8::Number::New(result.getLong()));
return;
case icu::Formattable::kInt64:
args.GetReturnValue().Set(v8::Number::New(result.getInt64()));
return;
default:
return;
}
}
void NumberFormat::JSCreateNumberFormat(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 ||
!args[0]->IsString() ||
!args[1]->IsObject() ||
!args[2]->IsObject()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, wrong parameters.")));
return;
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::ObjectTemplate> number_format_template =
Utils::GetTemplate(isolate);
// Create an empty object wrapper.
v8::Local<v8::Object> local_object = number_format_template->NewInstance();
// But the handle shouldn't be empty.
// That can happen if there was a stack overflow when creating the object.
if (local_object.IsEmpty()) {
args.GetReturnValue().Set(local_object);
return;
}
// Set number formatter as internal field of the resulting JS object.
icu::DecimalFormat* number_format = InitializeNumberFormat(
args[0]->ToString(), args[1]->ToObject(), args[2]->ToObject());
if (!number_format) {
v8::ThrowException(v8::Exception::Error(v8::String::New(
"Internal error. Couldn't create ICU number formatter.")));
return;
} else {
local_object->SetAlignedPointerInInternalField(0, number_format);
v8::TryCatch try_catch;
local_object->Set(v8::String::New("numberFormat"),
v8::String::New("valid"));
if (try_catch.HasCaught()) {
v8::ThrowException(v8::Exception::Error(
v8::String::New("Internal error, couldn't set property.")));
return;
}
}
v8::Persistent<v8::Object> wrapper(isolate, local_object);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak<void>(NULL, &DeleteNumberFormat);
args.GetReturnValue().Set(wrapper);
wrapper.ClearAndLeak();
}
static icu::DecimalFormat* InitializeNumberFormat(
v8::Handle<v8::String> locale,
v8::Handle<v8::Object> options,
v8::Handle<v8::Object> 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::AsciiValue bcp47_locale(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(icu_locale, options);
if (!number_format) {
// Remove extensions and try again.
icu::Locale no_extension_locale(icu_locale.getBaseName());
number_format = CreateICUNumberFormat(no_extension_locale, options);
// Set resolved settings (pattern, numbering system).
SetResolvedSettings(no_extension_locale, number_format, resolved);
} else {
SetResolvedSettings(icu_locale, number_format, resolved);
}
return number_format;
}
static icu::DecimalFormat* CreateICUNumberFormat(
const icu::Locale& icu_locale, v8::Handle<v8::Object> 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 (Utils::ExtractStringSetting(options, "style", &style)) {
if (style == UNICODE_STRING_SIMPLE("currency")) {
Utils::ExtractStringSetting(options, "currency", &currency);
icu::UnicodeString display;
Utils::ExtractStringSetting(options, "currencyDisplay", &display);
#if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM <= 6)
icu::NumberFormat::EStyles style;
if (display == UNICODE_STRING_SIMPLE("code")) {
style = icu::NumberFormat::kIsoCurrencyStyle;
} else if (display == UNICODE_STRING_SIMPLE("name")) {
style = icu::NumberFormat::kPluralCurrencyStyle;
} else {
style = icu::NumberFormat::kCurrencyStyle;
}
#else // ICU version is 4.8 or above (we ignore versions below 4.0).
UNumberFormatStyle style;
if (display == UNICODE_STRING_SIMPLE("code")) {
style = UNUM_CURRENCY_ISO;
} else if (display == UNICODE_STRING_SIMPLE("name")) {
style = UNUM_CURRENCY_PLURAL;
} else {
style = UNUM_CURRENCY;
}
#endif
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, 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 (Utils::ExtractIntegerSetting(
options, "minimumIntegerDigits", &digits)) {
number_format->setMinimumIntegerDigits(digits);
}
if (Utils::ExtractIntegerSetting(
options, "minimumFractionDigits", &digits)) {
number_format->setMinimumFractionDigits(digits);
}
if (Utils::ExtractIntegerSetting(
options, "maximumFractionDigits", &digits)) {
number_format->setMaximumFractionDigits(digits);
}
bool significant_digits_used = false;
if (Utils::ExtractIntegerSetting(
options, "minimumSignificantDigits", &digits)) {
number_format->setMinimumSignificantDigits(digits);
significant_digits_used = true;
}
if (Utils::ExtractIntegerSetting(
options, "maximumSignificantDigits", &digits)) {
number_format->setMaximumSignificantDigits(digits);
significant_digits_used = true;
}
number_format->setSignificantDigitsUsed(significant_digits_used);
bool grouping;
if (Utils::ExtractBooleanSetting(options, "useGrouping", &grouping)) {
number_format->setGroupingUsed(grouping);
}
// Set rounding mode.
number_format->setRoundingMode(icu::DecimalFormat::kRoundHalfUp);
return number_format;
}
static void SetResolvedSettings(const icu::Locale& icu_locale,
icu::DecimalFormat* number_format,
v8::Handle<v8::Object> resolved) {
icu::UnicodeString pattern;
number_format->toPattern(pattern);
resolved->Set(v8::String::New("pattern"),
v8::String::New(reinterpret_cast<const uint16_t*>(
pattern.getBuffer()), pattern.length()));
// Set resolved currency code in options.currency if not empty.
icu::UnicodeString currency(number_format->getCurrency());
if (!currency.isEmpty()) {
resolved->Set(v8::String::New("currency"),
v8::String::New(reinterpret_cast<const uint16_t*>(
currency.getBuffer()), currency.length()));
}
// 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 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();
resolved->Set(v8::String::New("numberingSystem"), v8::String::New(ns));
} else {
resolved->Set(v8::String::New("numberingSystem"), v8::Undefined());
}
delete numbering_system;
resolved->Set(v8::String::New("useGrouping"),
v8::Boolean::New(number_format->isGroupingUsed()));
resolved->Set(v8::String::New("minimumIntegerDigits"),
v8::Integer::New(number_format->getMinimumIntegerDigits()));
resolved->Set(v8::String::New("minimumFractionDigits"),
v8::Integer::New(number_format->getMinimumFractionDigits()));
resolved->Set(v8::String::New("maximumFractionDigits"),
v8::Integer::New(number_format->getMaximumFractionDigits()));
if (resolved->HasOwnProperty(v8::String::New("minimumSignificantDigits"))) {
resolved->Set(v8::String::New("minimumSignificantDigits"), v8::Integer::New(
number_format->getMinimumSignificantDigits()));
}
if (resolved->HasOwnProperty(v8::String::New("maximumSignificantDigits"))) {
resolved->Set(v8::String::New("maximumSignificantDigits"), v8::Integer::New(
number_format->getMaximumSignificantDigits()));
}
// 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)) {
resolved->Set(v8::String::New("locale"), v8::String::New(result));
} else {
// This would never happen, since we got the locale from ICU.
resolved->Set(v8::String::New("locale"), v8::String::New("und"));
}
}
} // namespace v8_i18n

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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.
#ifndef V8_EXTENSIONS_I18N_NUMBER_FORMAT_H_
#define V8_EXTENSIONS_I18N_NUMBER_FORMAT_H_
#include "unicode/uversion.h"
#include "v8.h"
namespace U_ICU_NAMESPACE {
class DecimalFormat;
}
namespace v8_i18n {
class NumberFormat {
public:
static void JSCreateNumberFormat(
const v8::FunctionCallbackInfo<v8::Value>& args);
// Helper methods for various bindings.
// Unpacks date format object from corresponding JavaScript object.
static icu::DecimalFormat* UnpackNumberFormat(v8::Handle<v8::Object> obj);
// Release memory we allocated for the NumberFormat once the JS object that
// holds the pointer gets garbage collected.
static void DeleteNumberFormat(v8::Isolate* isolate,
v8::Persistent<v8::Object>* object,
void* param);
// Formats number and returns corresponding string.
static void JSInternalFormat(const v8::FunctionCallbackInfo<v8::Value>& args);
// Parses a string and returns a number.
static void JSInternalParse(const v8::FunctionCallbackInfo<v8::Value>& args);
private:
NumberFormat();
};
} // namespace v8_i18n
#endif // V8_EXTENSIONS_I18N_NUMBER_FORMAT_H_

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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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
/**
* Verifies that the input is a well-formed ISO 4217 currency code.
* Don't uppercase to test. It could convert invalid code into a valid one.
* For example \u00DFP (Eszett+P) becomes SSP.
*/
function isWellFormedCurrencyCode(currency) {
return typeof currency == "string" &&
currency.length == 3 &&
currency.match(/[^A-Za-z]/) == null;
}
/**
* Returns the valid digit count for a property, or throws RangeError on
* a value out of the range.
*/
function getNumberOption(options, property, min, max, fallback) {
var value = options[property];
if (value !== undefined) {
value = Number(value);
if (isNaN(value) || value < min || value > max) {
throw new RangeError(property + ' value is out of range.');
}
return Math.floor(value);
}
return fallback;
}
/**
* Initializes the given object so it's a valid NumberFormat instance.
* Useful for subclassing.
*/
function initializeNumberFormat(numberFormat, locales, options) {
native function NativeJSCreateNumberFormat();
if (numberFormat.hasOwnProperty('__initializedIntlObject')) {
throw new TypeError('Trying to re-initialize NumberFormat object.');
}
if (options === undefined) {
options = {};
}
var getOption = getGetOption(options, 'numberformat');
var locale = resolveLocale('numberformat', locales, options);
var internalOptions = {};
defineWEProperty(internalOptions, 'style', getOption(
'style', 'string', ['decimal', 'percent', 'currency'], 'decimal'));
var currency = getOption('currency', 'string');
if (currency !== undefined && !isWellFormedCurrencyCode(currency)) {
throw new RangeError('Invalid currency code: ' + currency);
}
if (internalOptions.style === 'currency' && currency === undefined) {
throw new TypeError('Currency code is required with currency style.');
}
var currencyDisplay = getOption(
'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol');
if (internalOptions.style === 'currency') {
defineWEProperty(internalOptions, 'currency', currency.toUpperCase());
defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay);
}
// Digit ranges.
var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1);
defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid);
var mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0);
defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd);
var mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, 3);
defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd);
var mnsd = options['minimumSignificantDigits'];
var mxsd = options['maximumSignificantDigits'];
if (mnsd !== undefined || mxsd !== undefined) {
mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0);
defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd);
mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21);
defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd);
}
// Grouping.
defineWEProperty(internalOptions, 'useGrouping', getOption(
'useGrouping', 'boolean', undefined, true));
// ICU prefers options to be passed using -u- extension key/values for
// number format, so we need to build that.
var extensionMap = parseExtension(locale.extension);
var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP,
getOption, internalOptions);
var requestedLocale = locale.locale + extension;
var resolved = Object.defineProperties({}, {
currency: {writable: true},
currencyDisplay: {writable: true},
locale: {writable: true},
maximumFractionDigits: {writable: true},
minimumFractionDigits: {writable: true},
minimumIntegerDigits: {writable: true},
numberingSystem: {writable: true},
requestedLocale: {value: requestedLocale, writable: true},
style: {value: internalOptions.style, writable: true},
useGrouping: {writable: true}
});
if (internalOptions.hasOwnProperty('minimumSignificantDigits')) {
defineWEProperty(resolved, 'minimumSignificantDigits', undefined);
}
if (internalOptions.hasOwnProperty('maximumSignificantDigits')) {
defineWEProperty(resolved, 'maximumSignificantDigits', undefined);
}
var formatter = NativeJSCreateNumberFormat(requestedLocale,
internalOptions,
resolved);
// We can't get information about number or currency style from ICU, so we
// assume user request was fulfilled.
if (internalOptions.style === 'currency') {
Object.defineProperty(resolved, 'currencyDisplay', {value: currencyDisplay,
writable: true});
}
Object.defineProperty(numberFormat, 'formatter', {value: formatter});
Object.defineProperty(numberFormat, 'resolved', {value: resolved});
Object.defineProperty(numberFormat, '__initializedIntlObject',
{value: 'numberformat'});
return numberFormat;
}
/**
* Constructs Intl.NumberFormat object given optional locales and options
* parameters.
*
* @constructor
*/
%SetProperty(Intl, 'NumberFormat', function() {
var locales = arguments[0];
var options = arguments[1];
if (!this || this === Intl) {
// Constructor is called as a function.
return new Intl.NumberFormat(locales, options);
}
return initializeNumberFormat(toObject(this), locales, options);
},
ATTRIBUTES.DONT_ENUM
);
/**
* NumberFormat resolvedOptions method.
*/
%SetProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (!this || typeof this !== 'object' ||
this.__initializedIntlObject !== 'numberformat') {
throw new TypeError('resolvedOptions method called on a non-object' +
' or on a object that is not Intl.NumberFormat.');
}
var format = this;
var locale = getOptimalLanguageTag(format.resolved.requestedLocale,
format.resolved.locale);
var result = {
locale: locale,
numberingSystem: format.resolved.numberingSystem,
style: format.resolved.style,
useGrouping: format.resolved.useGrouping,
minimumIntegerDigits: format.resolved.minimumIntegerDigits,
minimumFractionDigits: format.resolved.minimumFractionDigits,
maximumFractionDigits: format.resolved.maximumFractionDigits,
};
if (result.style === 'currency') {
defineWECProperty(result, 'currency', format.resolved.currency);
defineWECProperty(result, 'currencyDisplay',
format.resolved.currencyDisplay);
}
if (format.resolved.hasOwnProperty('minimumSignificantDigits')) {
defineWECProperty(result, 'minimumSignificantDigits',
format.resolved.minimumSignificantDigits);
}
if (format.resolved.hasOwnProperty('maximumSignificantDigits')) {
defineWECProperty(result, 'maximumSignificantDigits',
format.resolved.maximumSignificantDigits);
}
return result;
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.NumberFormat.prototype.resolvedOptions);
/**
* Returns the subset of the given locale list for which this locale list
* has a matching (possibly fallback) locale. Locales appear in the same
* order in the returned list as in the input list.
* Options are optional parameter.
*/
%SetProperty(Intl.NumberFormat, 'supportedLocalesOf', function(locales) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
return supportedLocalesOf('numberformat', locales, arguments[1]);
},
ATTRIBUTES.DONT_ENUM
);
%FunctionRemovePrototype(Intl.NumberFormat.supportedLocalesOf);
/**
* Returns a String value representing the result of calling ToNumber(value)
* according to the effective locale and the formatting options of this
* NumberFormat.
*/
function formatNumber(formatter, value) {
native function NativeJSInternalNumberFormat();
// Spec treats -0 and +0 as 0.
var number = Number(value);
if (number === -0) {
number = 0;
}
return NativeJSInternalNumberFormat(formatter.formatter, number);
}
/**
* Returns a Number that represents string value that was passed in.
*/
function parseNumber(formatter, value) {
native function NativeJSInternalNumberParse();
return NativeJSInternalNumberParse(formatter.formatter, String(value));
}
addBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1);
addBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1);

210
src/extensions/i18n/overrides.js Normal file
View File

@ -0,0 +1,210 @@
// 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.
// ECMAScript 402 API implementation is broken into separate files for
// each service. The build system combines them together into one
// Intl namespace.
// Save references to Intl objects and methods we use, for added security.
var savedObjects = {
'collator': Intl.Collator,
'numberformat': Intl.NumberFormat,
'dateformatall': Intl.DateTimeFormat,
'dateformatdate': Intl.DateTimeFormat,
'dateformattime': Intl.DateTimeFormat
};
// Default (created with undefined locales and options parameters) collator,
// number and date format instances. They'll be created as needed.
var defaultObjects = {
'collator': undefined,
'numberformat': undefined,
'dateformatall': undefined,
'dateformatdate': undefined,
'dateformattime': undefined,
};
/**
* Returns cached or newly created instance of a given service.
* We cache only default instances (where no locales or options are provided).
*/
function cachedOrNewService(service, locales, options, defaults) {
var useOptions = (defaults === undefined) ? options : defaults;
if (locales === undefined && options === undefined) {
if (defaultObjects[service] === undefined) {
defaultObjects[service] = new savedObjects[service](locales, useOptions);
}
return defaultObjects[service];
}
return new savedObjects[service](locales, useOptions);
}
/**
* Compares this and that, and returns less than 0, 0 or greater than 0 value.
* Overrides the built-in method.
*/
Object.defineProperty(String.prototype, 'localeCompare', {
value: function(that) {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (this === undefined || this === null) {
throw new TypeError('Method invoked on undefined or null value.');
}
var locales = arguments[1];
var options = arguments[2];
var collator = cachedOrNewService('collator', locales, options);
return compare(collator, this, that);
},
writable: true,
configurable: true,
enumerable: false
});
%FunctionRemovePrototype(String.prototype.localeCompare);
/**
* Formats a Number object (this) using locale and options values.
* If locale or options are omitted, defaults are used.
*/
Object.defineProperty(Number.prototype, 'toLocaleString', {
value: function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
if (!(this instanceof Number) && typeof(this) !== 'number') {
throw new TypeError('Method invoked on an object that is not Number.');
}
var locales = arguments[0];
var options = arguments[1];
var numberFormat = cachedOrNewService('numberformat', locales, options);
return formatNumber(numberFormat, this);
},
writable: true,
configurable: true,
enumerable: false
});
%FunctionRemovePrototype(Number.prototype.toLocaleString);
/**
* Returns actual formatted date or fails if date parameter is invalid.
*/
function toLocaleDateTime(date, locales, options, required, defaults, service) {
if (!(date instanceof Date)) {
throw new TypeError('Method invoked on an object that is not Date.');
}
if (isNaN(date)) {
return 'Invalid Date';
}
var internalOptions = toDateTimeOptions(options, required, defaults);
var dateFormat =
cachedOrNewService(service, locales, options, internalOptions);
return formatDate(dateFormat, date);
}
/**
* Formats a Date object (this) using locale and options values.
* If locale or options are omitted, defaults are used - both date and time are
* present in the output.
*/
Object.defineProperty(Date.prototype, 'toLocaleString', {
value: function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
var locales = arguments[0];
var options = arguments[1];
return toLocaleDateTime(
this, locales, options, 'any', 'all', 'dateformatall');
},
writable: true,
configurable: true,
enumerable: false
});
%FunctionRemovePrototype(Date.prototype.toLocaleString);
/**
* Formats a Date object (this) using locale and options values.
* If locale or options are omitted, defaults are used - only date is present
* in the output.
*/
Object.defineProperty(Date.prototype, 'toLocaleDateString', {
value: function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
var locales = arguments[0];
var options = arguments[1];
return toLocaleDateTime(
this, locales, options, 'date', 'date', 'dateformatdate');
},
writable: true,
configurable: true,
enumerable: false
});
%FunctionRemovePrototype(Date.prototype.toLocaleDateString);
/**
* Formats a Date object (this) using locale and options values.
* If locale or options are omitted, defaults are used - only time is present
* in the output.
*/
Object.defineProperty(Date.prototype, 'toLocaleTimeString', {
value: function() {
if (%_IsConstructCall()) {
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
}
var locales = arguments[0];
var options = arguments[1];
return toLocaleDateTime(
this, locales, options, 'time', 'time', 'dateformattime');
},
writable: true,
configurable: true,
enumerable: false
});
%FunctionRemovePrototype(Date.prototype.toLocaleTimeString);

1
src/flag-definitions.h
View File

@ -361,6 +361,7 @@ DEFINE_bool(enable_vldr_imm, false,
"enable use of constant pools for double immediate (ARM only)")
// bootstrapper.cc
DEFINE_bool(enable_i18n, true, "enable i18n extension")
DEFINE_string(expose_natives_as, NULL, "expose natives in global object")
DEFINE_string(expose_debug_as, NULL, "expose debug in global object")
DEFINE_bool(expose_gc, false, "expose gc extension")

3
src/mksnapshot.cc
View File

@ -312,6 +312,9 @@ int main(int argc, char** argv) {
// By default, log code create information in the snapshot.
i::FLAG_log_code = true;
// Disable the i18n extension, as it doesn't support being snapshotted yet.
i::FLAG_enable_i18n = false;
// Print the usage if an error occurs when parsing the command line
// flags or if the help flag is set.
int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true);

3
src/natives.h
View File

@ -36,7 +36,7 @@ typedef bool (*NativeSourceCallback)(Vector<const char> name,
int index);
enum NativeType {
CORE, EXPERIMENTAL, D8, TEST
CORE, EXPERIMENTAL, D8, TEST, I18N
};
template <NativeType type>
@ -61,6 +61,7 @@ class NativesCollection {
typedef NativesCollection<CORE> Natives;
typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives;
typedef NativesCollection<I18N> I18NNatives;
} } // namespace v8::internal

63
tools/gyp/v8.gyp
View File

@ -129,6 +129,11 @@
],
},
}],
['v8_enable_i18n_support==1', {
'sources': [
'<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc',
],
}],
],
'dependencies': [
'v8_base.<(v8_target_arch)',
@ -192,6 +197,11 @@
'V8_SHARED',
],
}],
['v8_enable_i18n_support==1', {
'sources': [
'<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc',
],
}],
]
},
{
@ -781,6 +791,27 @@
'<(SHARED_INTERMEDIATE_DIR)/debug-support.cc',
]
}],
['v8_enable_i18n_support==1', {
'sources': [
'../../src/extensions/i18n/break-iterator.cc',
'../../src/extensions/i18n/break-iterator.h',
'../../src/extensions/i18n/collator.cc',
'../../src/extensions/i18n/collator.h',
'../../src/extensions/i18n/date-format.cc',
'../../src/extensions/i18n/date-format.h',
'../../src/extensions/i18n/i18n-extension.cc',
'../../src/extensions/i18n/i18n-extension.h',
'../../src/extensions/i18n/i18n-utils.cc',
'../../src/extensions/i18n/i18n-utils.h',
'../../src/extensions/i18n/locale.cc',
'../../src/extensions/i18n/locale.h',
'../../src/extensions/i18n/number-format.cc',
'../../src/extensions/i18n/number-format.h',
],
'dependencies': [
'<(DEPTH)/third_party/icu/icu.gyp:*',
]
}],
],
},
{
@ -792,6 +823,26 @@
}, {
'toolsets': ['target'],
}],
['v8_enable_i18n_support==1', {
'actions': [{
'action_name': 'js2c_i18n',
'inputs': [
'../../tools/js2c.py',
'<@(i18n_library_files)',
],
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc',
],
'action': [
'python',
'../../tools/js2c.py',
'<@(_outputs)',
'I18N',
'<(v8_compress_startup_data)',
'<@(i18n_library_files)'
],
}],
}],
],
'variables': {
'library_files': [
@ -821,6 +872,18 @@
'../../src/typedarray.js',
'../../src/generator.js'
],
'i18n_library_files': [
'../../src/extensions/i18n/break-iterator.js',
'../../src/extensions/i18n/collator.js',
'../../src/extensions/i18n/date-format.js',
'../../src/extensions/i18n/footer.js',
'../../src/extensions/i18n/globals.js',
'../../src/extensions/i18n/header.js',
'../../src/extensions/i18n/i18n-utils.js',
'../../src/extensions/i18n/locale.js',
'../../src/extensions/i18n/number-format.js',
'../../src/extensions/i18n/overrides.js',
],
},
'actions': [
{