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Commit bc091f31 authored by yangguo@chromium.org's avatar yangguo@chromium.org
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Removing experimental i18n code from v8 repository. Internationalization... 

Removing experimental i18n code from v8 repository. Internationalization support is hosted under code.google.com/p/v8-i18n for couple months now.

TEST=Chromium/WebKit builds should pass.

Review URL: https://chromiumcodereview.appspot.com/9016034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 8c776261
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src/extensions/experimental/break-iterator.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/break-iterator.h"
#include <string.h>
#include "unicode/brkiter.h"
#include "unicode/locid.h"
#include "unicode/rbbi.h"
namespace v8 {
namespace internal {
v8::Persistent<v8::FunctionTemplate> BreakIterator::break_iterator_template_;
icu::BreakIterator* BreakIterator::UnpackBreakIterator(
v8::Handle<v8::Object> obj) {
if (break_iterator_template_->HasInstance(obj)) {
return static_cast<icu::BreakIterator*>(
obj->GetPointerFromInternalField(0));
}
return NULL;
}
icu::UnicodeString* BreakIterator::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->GetPointerFromInternalField(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->SetPointerInInternalField(1, text);
// Return new unicode string pointer.
return text;
}
void BreakIterator::DeleteBreakIterator(v8::Persistent<v8::Value> object,
void* param) {
v8::Persistent<v8::Object> persistent_object =
v8::Persistent<v8::Object>::Cast(object);
// 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.
delete UnpackBreakIterator(persistent_object);
delete static_cast<icu::UnicodeString*>(
persistent_object->GetPointerFromInternalField(1));
// Then dispose of the persistent handle to JS object.
persistent_object.Dispose();
}
// 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.")));
}
v8::Handle<v8::Value> BreakIterator::BreakIteratorAdoptText(
const v8::Arguments& args) {
if (args.Length() != 1 || !args[0]->IsString()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Text input is required.")));
}
icu::BreakIterator* break_iterator = UnpackBreakIterator(args.Holder());
if (!break_iterator) {
return ThrowUnexpectedObjectError();
}
break_iterator->setText(*ResetAdoptedText(args.Holder(), args[0]));
return v8::Undefined();
}
v8::Handle<v8::Value> BreakIterator::BreakIteratorFirst(
const v8::Arguments& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args.Holder());
if (!break_iterator) {
return ThrowUnexpectedObjectError();
}
return v8::Int32::New(break_iterator->first());
}
v8::Handle<v8::Value> BreakIterator::BreakIteratorNext(
const v8::Arguments& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args.Holder());
if (!break_iterator) {
return ThrowUnexpectedObjectError();
}
return v8::Int32::New(break_iterator->next());
}
v8::Handle<v8::Value> BreakIterator::BreakIteratorCurrent(
const v8::Arguments& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args.Holder());
if (!break_iterator) {
return ThrowUnexpectedObjectError();
}
return v8::Int32::New(break_iterator->current());
}
v8::Handle<v8::Value> BreakIterator::BreakIteratorBreakType(
const v8::Arguments& args) {
icu::BreakIterator* break_iterator = UnpackBreakIterator(args.Holder());
if (!break_iterator) {
return ThrowUnexpectedObjectError();
}
// 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.
if (status >= UBRK_WORD_NONE && status < UBRK_WORD_NONE_LIMIT) {
return v8::Int32::New(UBRK_WORD_NONE);
} else if (status >= UBRK_WORD_NUMBER && status < UBRK_WORD_NUMBER_LIMIT) {
return v8::Int32::New(UBRK_WORD_NUMBER);
} else if (status >= UBRK_WORD_LETTER && status < UBRK_WORD_LETTER_LIMIT) {
return v8::Int32::New(UBRK_WORD_LETTER);
} else if (status >= UBRK_WORD_KANA && status < UBRK_WORD_KANA_LIMIT) {
return v8::Int32::New(UBRK_WORD_KANA);
} else if (status >= UBRK_WORD_IDEO && status < UBRK_WORD_IDEO_LIMIT) {
return v8::Int32::New(UBRK_WORD_IDEO);
} else {
return v8::Int32::New(-1);
}
}
v8::Handle<v8::Value> BreakIterator::JSBreakIterator(
const v8::Arguments& args) {
v8::HandleScope handle_scope;
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsString()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Locale and iterator type are required.")));
}
v8::String::Utf8Value locale(args[0]);
icu::Locale icu_locale(*locale);
UErrorCode status = U_ZERO_ERROR;
icu::BreakIterator* break_iterator = NULL;
v8::String::Utf8Value type(args[1]);
if (!strcmp(*type, "character")) {
break_iterator =
icu::BreakIterator::createCharacterInstance(icu_locale, status);
} else if (!strcmp(*type, "word")) {
break_iterator =
icu::BreakIterator::createWordInstance(icu_locale, status);
} else if (!strcmp(*type, "sentence")) {
break_iterator =
icu::BreakIterator::createSentenceInstance(icu_locale, status);
} else if (!strcmp(*type, "line")) {
break_iterator =
icu::BreakIterator::createLineInstance(icu_locale, status);
} else {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Invalid iterator type.")));
}
if (U_FAILURE(status)) {
delete break_iterator;
return v8::ThrowException(v8::Exception::Error(
v8::String::New("Failed to create break iterator.")));
}
if (break_iterator_template_.IsEmpty()) {
v8::Local<v8::FunctionTemplate> raw_template(v8::FunctionTemplate::New());
raw_template->SetClassName(v8::String::New("v8Locale.v8BreakIterator"));
// Define internal field count on instance template.
v8::Local<v8::ObjectTemplate> object_template =
raw_template->InstanceTemplate();
// Set aside internal fields for icu break iterator and adopted text.
object_template->SetInternalFieldCount(2);
// Define all of the prototype methods on prototype template.
v8::Local<v8::ObjectTemplate> proto = raw_template->PrototypeTemplate();
proto->Set(v8::String::New("adoptText"),
v8::FunctionTemplate::New(BreakIteratorAdoptText));
proto->Set(v8::String::New("first"),
v8::FunctionTemplate::New(BreakIteratorFirst));
proto->Set(v8::String::New("next"),
v8::FunctionTemplate::New(BreakIteratorNext));
proto->Set(v8::String::New("current"),
v8::FunctionTemplate::New(BreakIteratorCurrent));
proto->Set(v8::String::New("breakType"),
v8::FunctionTemplate::New(BreakIteratorBreakType));
break_iterator_template_ =
v8::Persistent<v8::FunctionTemplate>::New(raw_template);
}
// Create an empty object wrapper.
v8::Local<v8::Object> local_object =
break_iterator_template_->GetFunction()->NewInstance();
v8::Persistent<v8::Object> wrapper =
v8::Persistent<v8::Object>::New(local_object);
// Set break iterator as internal field of the resulting JS object.
wrapper->SetPointerInInternalField(0, break_iterator);
// Make sure that the pointer to adopted text is NULL.
wrapper->SetPointerInInternalField(1, NULL);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak(NULL, DeleteBreakIterator);
return wrapper;
}
} } // namespace v8::internal
src/extensions/experimental/break-iterator.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_
#define V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_
#include "include/v8.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class BreakIterator;
class UnicodeString;
}
namespace v8 {
namespace internal {
class BreakIterator {
public:
static v8::Handle<v8::Value> JSBreakIterator(const v8::Arguments& args);
// Helper methods for various bindings.
// Unpacks break iterator object from corresponding JavaScript object.
static icu::BreakIterator* UnpackBreakIterator(v8::Handle<v8::Object> obj);
// Deletes the old value and sets the adopted text in
// corresponding JavaScript object.
static icu::UnicodeString* ResetAdoptedText(v8::Handle<v8::Object> obj,
v8::Handle<v8::Value> text_value);
// Release memory we allocated for the BreakIterator once the JS object that
// holds the pointer gets garbage collected.
static void DeleteBreakIterator(v8::Persistent<v8::Value> object,
void* param);
// Assigns new text to the iterator.
static v8::Handle<v8::Value> BreakIteratorAdoptText(
const v8::Arguments& args);
// Moves iterator to the beginning of the string and returns new position.
static v8::Handle<v8::Value> BreakIteratorFirst(const v8::Arguments& args);
// Moves iterator to the next position and returns it.
static v8::Handle<v8::Value> BreakIteratorNext(const v8::Arguments& args);
// Returns current iterator's current position.
static v8::Handle<v8::Value> BreakIteratorCurrent(
const v8::Arguments& args);
// Returns type of the item from current position.
// This call is only valid for word break iterators. Others just return 0.
static v8::Handle<v8::Value> BreakIteratorBreakType(
const v8::Arguments& args);
private:
BreakIterator() {}
static v8::Persistent<v8::FunctionTemplate> break_iterator_template_;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_
src/extensions/experimental/collator.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/collator.h"
#include "unicode/coll.h"
#include "unicode/locid.h"
#include "unicode/ucol.h"
namespace v8 {
namespace internal {
v8::Persistent<v8::FunctionTemplate> Collator::collator_template_;
icu::Collator* Collator::UnpackCollator(v8::Handle<v8::Object> obj) {
if (collator_template_->HasInstance(obj)) {
return static_cast<icu::Collator*>(obj->GetPointerFromInternalField(0));
}
return NULL;
}
void Collator::DeleteCollator(v8::Persistent<v8::Value> object, void* param) {
v8::Persistent<v8::Object> persistent_object =
v8::Persistent<v8::Object>::Cast(object);
// 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.
delete UnpackCollator(persistent_object);
// Then dispose of the persistent handle to JS object.
persistent_object.Dispose();
}
// 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.")));
}
// Extract a boolean option named in |option| and set it to |result|.
// Return true if it's specified. Otherwise, return false.
static bool ExtractBooleanOption(const v8::Local<v8::Object>& options,
const char* option,
bool* result) {
v8::HandleScope handle_scope;
v8::TryCatch try_catch;
v8::Handle<v8::Value> value = options->Get(v8::String::New(option));
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()) {
if (value->IsBoolean()) {
*result = value->BooleanValue();
return true;
}
}
return false;
}
// 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)));
}
v8::Handle<v8::Value> Collator::CollatorCompare(const v8::Arguments& args) {
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsString()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Two string arguments are required.")));
}
icu::Collator* collator = UnpackCollator(args.Holder());
if (!collator) {
return ThrowUnexpectedObjectError();
}
v8::String::Value string_value1(args[0]);
v8::String::Value string_value2(args[1]);
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)) {
return ThrowExceptionForICUError(
"Unexpected failure in Collator.compare.");
}
return v8::Int32::New(result);
}
v8::Handle<v8::Value> Collator::JSCollator(const v8::Arguments& args) {
v8::HandleScope handle_scope;
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsObject()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Locale and collation options are required.")));
}
v8::String::AsciiValue locale(args[0]);
icu::Locale icu_locale(*locale);
icu::Collator* collator = NULL;
UErrorCode status = U_ZERO_ERROR;
collator = icu::Collator::createInstance(icu_locale, status);
if (U_FAILURE(status)) {
delete collator;
return ThrowExceptionForICUError("Failed to create collator.");
}
v8::Local<v8::Object> options(args[1]->ToObject());
// Below, we change collation options that are explicitly specified
// by a caller in JavaScript. Otherwise, we don't touch because
// we don't want to change the locale-dependent default value.
// The three options below are very likely to have the same default
// across locales, but I haven't checked them all. Others we may add
// in the future have certainly locale-dependent default (e.g.
// caseFirst is upperFirst for Danish while is off for most other locales).
bool ignore_case, ignore_accents, numeric;
if (ExtractBooleanOption(options, "ignoreCase", &ignore_case)) {
// We need to explicitly set the level to secondary to get case ignored.
// The default L3 ignores UCOL_CASE_LEVEL == UCOL_OFF !
if (ignore_case) {
collator->setStrength(icu::Collator::SECONDARY);
}
collator->setAttribute(UCOL_CASE_LEVEL, ignore_case ? UCOL_OFF : UCOL_ON,
status);
if (U_FAILURE(status)) {
delete collator;
return ThrowExceptionForICUError("Failed to set ignoreCase.");
}
}
// Accents are taken into account with strength secondary or higher.
if (ExtractBooleanOption(options, "ignoreAccents", &ignore_accents)) {
if (!ignore_accents) {
collator->setStrength(icu::Collator::SECONDARY);
} else {
collator->setStrength(icu::Collator::PRIMARY);
}
}
if (ExtractBooleanOption(options, "numeric", &numeric)) {
collator->setAttribute(UCOL_NUMERIC_COLLATION,
numeric ? UCOL_ON : UCOL_OFF, status);
if (U_FAILURE(status)) {
delete collator;
return ThrowExceptionForICUError("Failed to set numeric sort option.");
}
}
if (collator_template_.IsEmpty()) {
v8::Local<v8::FunctionTemplate> raw_template(v8::FunctionTemplate::New());
raw_template->SetClassName(v8::String::New("v8Locale.Collator"));
// Define internal field count on instance template.
v8::Local<v8::ObjectTemplate> object_template =
raw_template->InstanceTemplate();
// Set aside internal fields for icu collator.
object_template->SetInternalFieldCount(1);
// Define all of the prototype methods on prototype template.
v8::Local<v8::ObjectTemplate> proto = raw_template->PrototypeTemplate();
proto->Set(v8::String::New("compare"),
v8::FunctionTemplate::New(CollatorCompare));
collator_template_ =
v8::Persistent<v8::FunctionTemplate>::New(raw_template);
}
// Create an empty object wrapper.
v8::Local<v8::Object> local_object =
collator_template_->GetFunction()->NewInstance();
v8::Persistent<v8::Object> wrapper =
v8::Persistent<v8::Object>::New(local_object);
// Set collator as internal field of the resulting JS object.
wrapper->SetPointerInInternalField(0, collator);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak(NULL, DeleteCollator);
return wrapper;
}
} } // namespace v8::internal
src/extensions/experimental/collator.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_COLLATOR_H
#define V8_EXTENSIONS_EXPERIMENTAL_COLLATOR_H_
#include "include/v8.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class Collator;
class UnicodeString;
}
namespace v8 {
namespace internal {
class Collator {
public:
static v8::Handle<v8::Value> JSCollator(const v8::Arguments& 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::Persistent<v8::Value> 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 v8::Handle<v8::Value> CollatorCompare(const v8::Arguments& args);
private:
Collator() {}
static v8::Persistent<v8::FunctionTemplate> collator_template_;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_COLLATOR
src/extensions/experimental/datetime-format.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/datetime-format.h"
#include <string.h>
#include "src/extensions/experimental/i18n-utils.h"
#include "unicode/dtfmtsym.h"
#include "unicode/dtptngen.h"
#include "unicode/locid.h"
#include "unicode/smpdtfmt.h"
namespace v8 {
namespace internal {
v8::Persistent<v8::FunctionTemplate> DateTimeFormat::datetime_format_template_;
static icu::DateFormat* CreateDateTimeFormat(v8::Handle<v8::String>,
v8::Handle<v8::Object>);
static v8::Handle<v8::Value> GetSymbols(
const v8::Arguments&,
const icu::UnicodeString*, int32_t,
const icu::UnicodeString*, int32_t,
const icu::UnicodeString*, int32_t);
static v8::Handle<v8::Value> ThrowUnexpectedObjectError();
static icu::DateFormat::EStyle GetDateTimeStyle(const icu::UnicodeString&);
icu::SimpleDateFormat* DateTimeFormat::UnpackDateTimeFormat(
v8::Handle<v8::Object> obj) {
if (datetime_format_template_->HasInstance(obj)) {
return static_cast<icu::SimpleDateFormat*>(
obj->GetPointerFromInternalField(0));
}
return NULL;
}
void DateTimeFormat::DeleteDateTimeFormat(v8::Persistent<v8::Value> object,
void* param) {
v8::Persistent<v8::Object> persistent_object =
v8::Persistent<v8::Object>::Cast(object);
// 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.
delete UnpackDateTimeFormat(persistent_object);
// Then dispose of the persistent handle to JS object.
persistent_object.Dispose();
}
v8::Handle<v8::Value> DateTimeFormat::Format(const v8::Arguments& args) {
v8::HandleScope handle_scope;
double millis = 0.0;
if (args.Length() != 1 || !args[0]->IsDate()) {
// Create a new date.
v8::TryCatch try_catch;
v8::Local<v8::Script> date_script =
v8::Script::Compile(v8::String::New("eval('new Date()')"));
millis = date_script->Run()->NumberValue();
if (try_catch.HasCaught()) {
return try_catch.ReThrow();
}
} else {
millis = v8::Date::Cast(*args[0])->NumberValue();
}
icu::SimpleDateFormat* date_format = UnpackDateTimeFormat(args.Holder());
if (!date_format) {
return ThrowUnexpectedObjectError();
}
icu::UnicodeString result;
date_format->format(millis, result);
return v8::String::New(
reinterpret_cast<const uint16_t*>(result.getBuffer()), result.length());
}
v8::Handle<v8::Value> DateTimeFormat::GetMonths(const v8::Arguments& args) {
icu::SimpleDateFormat* date_format = UnpackDateTimeFormat(args.Holder());
if (!date_format) {
return ThrowUnexpectedObjectError();
}
const icu::DateFormatSymbols* symbols = date_format->getDateFormatSymbols();
int32_t narrow_count;
const icu::UnicodeString* narrow = symbols->getMonths(
narrow_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::NARROW);
int32_t abbrev_count;
const icu::UnicodeString* abbrev = symbols->getMonths(
abbrev_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::ABBREVIATED);
int32_t wide_count;
const icu::UnicodeString* wide = symbols->getMonths(
wide_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::WIDE);
return GetSymbols(
args, narrow, narrow_count, abbrev, abbrev_count, wide, wide_count);
}
v8::Handle<v8::Value> DateTimeFormat::GetWeekdays(const v8::Arguments& args) {
icu::SimpleDateFormat* date_format = UnpackDateTimeFormat(args.Holder());
if (!date_format) {
return ThrowUnexpectedObjectError();
}
const icu::DateFormatSymbols* symbols = date_format->getDateFormatSymbols();
int32_t narrow_count;
const icu::UnicodeString* narrow = symbols->getWeekdays(
narrow_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::NARROW);
int32_t abbrev_count;
const icu::UnicodeString* abbrev = symbols->getWeekdays(
abbrev_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::ABBREVIATED);
int32_t wide_count;
const icu::UnicodeString* wide = symbols->getWeekdays(
wide_count,
icu::DateFormatSymbols::STANDALONE,
icu::DateFormatSymbols::WIDE);
// getXXXWeekdays always returns 8 elements - ICU stable API.
// We can't use ASSERT_EQ(8, narrow_count) because ASSERT is internal to v8.
if (narrow_count != 8 || abbrev_count != 8 || wide_count != 8) {
return v8::ThrowException(v8::Exception::Error(
v8::String::New("Failed to get weekday information.")));
}
// ICU documentation says we should ignore element 0 of the returned array.
return GetSymbols(args, narrow + 1, narrow_count - 1, abbrev + 1,
abbrev_count -1 , wide + 1, wide_count - 1);
}
v8::Handle<v8::Value> DateTimeFormat::GetEras(const v8::Arguments& args) {
icu::SimpleDateFormat* date_format = UnpackDateTimeFormat(args.Holder());
if (!date_format) {
return ThrowUnexpectedObjectError();
}
const icu::DateFormatSymbols* symbols = date_format->getDateFormatSymbols();
int32_t narrow_count;
const icu::UnicodeString* narrow = symbols->getNarrowEras(narrow_count);
int32_t abbrev_count;
const icu::UnicodeString* abbrev = symbols->getEras(abbrev_count);
int32_t wide_count;
const icu::UnicodeString* wide = symbols->getEraNames(wide_count);
return GetSymbols(
args, narrow, narrow_count, abbrev, abbrev_count, wide, wide_count);
}
v8::Handle<v8::Value> DateTimeFormat::GetAmPm(const v8::Arguments& args) {
icu::SimpleDateFormat* date_format = UnpackDateTimeFormat(args.Holder());
if (!date_format) {
return ThrowUnexpectedObjectError();
}
const icu::DateFormatSymbols* symbols = date_format->getDateFormatSymbols();
// In this case narrow == abbreviated == wide
int32_t count;
const icu::UnicodeString* wide = symbols->getAmPmStrings(count);
return GetSymbols(args, wide, count, wide, count, wide, count);
}
v8::Handle<v8::Value> DateTimeFormat::JSDateTimeFormat(
const v8::Arguments& args) {
v8::HandleScope handle_scope;
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsObject()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Locale and date/time options are required.")));
}
icu::SimpleDateFormat* date_format = static_cast<icu::SimpleDateFormat*>(
CreateDateTimeFormat(args[0]->ToString(), args[1]->ToObject()));
if (datetime_format_template_.IsEmpty()) {
v8::Local<v8::FunctionTemplate> raw_template(v8::FunctionTemplate::New());
raw_template->SetClassName(v8::String::New("v8Locale.DateTimeFormat"));
// Define internal field count on instance template.
v8::Local<v8::ObjectTemplate> object_template =
raw_template->InstanceTemplate();
// Set aside internal field for icu date time formatter.
object_template->SetInternalFieldCount(1);
// Define all of the prototype methods on prototype template.
v8::Local<v8::ObjectTemplate> proto = raw_template->PrototypeTemplate();
proto->Set(v8::String::New("format"),
v8::FunctionTemplate::New(Format));
proto->Set(v8::String::New("getMonths"),
v8::FunctionTemplate::New(GetMonths));
proto->Set(v8::String::New("getWeekdays"),
v8::FunctionTemplate::New(GetWeekdays));
proto->Set(v8::String::New("getEras"),
v8::FunctionTemplate::New(GetEras));
proto->Set(v8::String::New("getAmPm"),
v8::FunctionTemplate::New(GetAmPm));
datetime_format_template_ =
v8::Persistent<v8::FunctionTemplate>::New(raw_template);
}
// Create an empty object wrapper.
v8::Local<v8::Object> local_object =
datetime_format_template_->GetFunction()->NewInstance();
v8::Persistent<v8::Object> wrapper =
v8::Persistent<v8::Object>::New(local_object);
// Set date time formatter as internal field of the resulting JS object.
wrapper->SetPointerInInternalField(0, date_format);
// Set resolved pattern in options.pattern.
icu::UnicodeString pattern;
date_format->toPattern(pattern);
v8::Local<v8::Object> options = v8::Object::New();
options->Set(v8::String::New("pattern"),
v8::String::New(reinterpret_cast<const uint16_t*>(
pattern.getBuffer()), pattern.length()));
wrapper->Set(v8::String::New("options"), options);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak(NULL, DeleteDateTimeFormat);
return wrapper;
}
// Returns SimpleDateFormat.
static icu::DateFormat* CreateDateTimeFormat(
v8::Handle<v8::String> locale, v8::Handle<v8::Object> settings) {
v8::HandleScope handle_scope;
v8::String::AsciiValue ascii_locale(locale);
icu::Locale icu_locale(*ascii_locale);
// Make formatter from skeleton.
icu::SimpleDateFormat* date_format = NULL;
UErrorCode status = U_ZERO_ERROR;
icu::UnicodeString skeleton;
if (I18NUtils::ExtractStringSetting(settings, "skeleton", &skeleton)) {
v8::Local<icu::DateTimePatternGenerator> generator(
icu::DateTimePatternGenerator::createInstance(icu_locale, status));
icu::UnicodeString pattern =
generator->getBestPattern(skeleton, status);
date_format = new icu::SimpleDateFormat(pattern, icu_locale, status);
if (U_SUCCESS(status)) {
return date_format;
} else {
delete date_format;
}
}
// Extract date style and time style from settings.
icu::UnicodeString date_style;
icu::DateFormat::EStyle icu_date_style = icu::DateFormat::kNone;
if (I18NUtils::ExtractStringSetting(settings, "dateStyle", &date_style)) {
icu_date_style = GetDateTimeStyle(date_style);
}
icu::UnicodeString time_style;
icu::DateFormat::EStyle icu_time_style = icu::DateFormat::kNone;
if (I18NUtils::ExtractStringSetting(settings, "timeStyle", &time_style)) {
icu_time_style = GetDateTimeStyle(time_style);
}
// Try all combinations of date/time styles.
if (icu_date_style == icu::DateFormat::kNone &&
icu_time_style == icu::DateFormat::kNone) {
// Return default short date, short
return icu::DateFormat::createDateTimeInstance(
icu::DateFormat::kShort, icu::DateFormat::kShort, icu_locale);
} else if (icu_date_style != icu::DateFormat::kNone &&
icu_time_style != icu::DateFormat::kNone) {
return icu::DateFormat::createDateTimeInstance(
icu_date_style, icu_time_style, icu_locale);
} else if (icu_date_style != icu::DateFormat::kNone) {
return icu::DateFormat::createDateInstance(icu_date_style, icu_locale);
} else {
// icu_time_style != icu::DateFormat::kNone
return icu::DateFormat::createTimeInstance(icu_time_style, icu_locale);
}
}
// Creates a v8::Array of narrow, abbrev or wide symbols.
static v8::Handle<v8::Value> GetSymbols(const v8::Arguments& args,
const icu::UnicodeString* narrow,
int32_t narrow_count,
const icu::UnicodeString* abbrev,
int32_t abbrev_count,
const icu::UnicodeString* wide,
int32_t wide_count) {
v8::HandleScope handle_scope;
// Make wide width default.
const icu::UnicodeString* result = wide;
int32_t count = wide_count;
if (args.Length() == 1 && args[0]->IsString()) {
v8::String::AsciiValue ascii_value(args[0]);
if (strcmp(*ascii_value, "abbreviated") == 0) {
result = abbrev;
count = abbrev_count;
} else if (strcmp(*ascii_value, "narrow") == 0) {
result = narrow;
count = narrow_count;
}
}
v8::Handle<v8::Array> symbols = v8::Array::New();
for (int32_t i = 0; i < count; ++i) {
symbols->Set(i, v8::String::New(
reinterpret_cast<const uint16_t*>(result[i].getBuffer()),
result[i].length()));
}
return handle_scope.Close(symbols);
}
// 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("DateTimeFormat method called on an object "
"that is not a DateTimeFormat.")));
}
// Returns icu date/time style.
static icu::DateFormat::EStyle GetDateTimeStyle(
const icu::UnicodeString& type) {
if (type == UNICODE_STRING_SIMPLE("medium")) {
return icu::DateFormat::kMedium;
} else if (type == UNICODE_STRING_SIMPLE("long")) {
return icu::DateFormat::kLong;
} else if (type == UNICODE_STRING_SIMPLE("full")) {
return icu::DateFormat::kFull;
}
return icu::DateFormat::kShort;
}
} } // namespace v8::internal
src/extensions/experimental/datetime-format.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_DATETIME_FORMAT_H_
#define V8_EXTENSIONS_EXPERIMENTAL_DATETIME_FORMAT_H_
#include "include/v8.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class SimpleDateFormat;
}
namespace v8 {
namespace internal {
class DateTimeFormat {
public:
static v8::Handle<v8::Value> JSDateTimeFormat(const v8::Arguments& args);
// Helper methods for various bindings.
// Unpacks date format object from corresponding JavaScript object.
static icu::SimpleDateFormat* UnpackDateTimeFormat(
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 DeleteDateTimeFormat(v8::Persistent<v8::Value> object,
void* param);
// Formats date and returns corresponding string.
static v8::Handle<v8::Value> Format(const v8::Arguments& args);
// All date time symbol methods below return stand-alone names in
// either narrow, abbreviated or wide width.
// Get list of months.
static v8::Handle<v8::Value> GetMonths(const v8::Arguments& args);
// Get list of weekdays.
static v8::Handle<v8::Value> GetWeekdays(const v8::Arguments& args);
// Get list of eras.
static v8::Handle<v8::Value> GetEras(const v8::Arguments& args);
// Get list of day periods.
static v8::Handle<v8::Value> GetAmPm(const v8::Arguments& args);
private:
DateTimeFormat();
static v8::Persistent<v8::FunctionTemplate> datetime_format_template_;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_DATETIME_FORMAT_H_
src/extensions/experimental/experimental.gyp
View file @ bc091f31
# Copyright 2011 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.
{
'variables': {
# TODO(cira): Find out how to pass this value for arbitrary embedder.
# Chromium sets it in common.gypi and does force include of that file for
# all sub projects.
'icu_src_dir%': '../../../../third_party/icu',
},
'targets': [
{
'target_name': 'i18n_api',
'type': 'static_library',
'sources': [
'break-iterator.cc',
'break-iterator.h',
'collator.cc',
'collator.h',
'datetime-format.cc',
'datetime-format.h',
'i18n-extension.cc',
'i18n-extension.h',
'i18n-locale.cc',
'i18n-locale.h',
'i18n-natives.h',
'i18n-utils.cc',
'i18n-utils.h',
'language-matcher.cc',
'language-matcher.h',
'number-format.cc',
'number-format.h',
'<(SHARED_INTERMEDIATE_DIR)/i18n-js.cc',
],
'include_dirs': [
'<(icu_src_dir)/public/common',
# v8/ is root for all includes.
'../../..'
],
'dependencies': [
'<(icu_src_dir)/icu.gyp:*',
'js2c_i18n#host',
'../../../tools/gyp/v8.gyp:v8',
],
'direct_dependent_settings': {
# Adds -Iv8 for embedders.
'include_dirs': [
'../../..'
],
},
},
{
'target_name': 'js2c_i18n',
'type': 'none',
'toolsets': ['host'],
'variables': {
'js_files': [
'i18n.js'
],
},
'actions': [
{
'action_name': 'js2c_i18n',
'inputs': [
'i18n-js2c.py',
'<@(js_files)',
],
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/i18n-js.cc',
],
'action': [
'python',
'i18n-js2c.py',
'<@(_outputs)',
'<@(js_files)'
],
},
],
},
], # targets
}
src/extensions/experimental/i18n-extension.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/i18n-extension.h"
#include "src/extensions/experimental/break-iterator.h"
#include "src/extensions/experimental/collator.h"
#include "src/extensions/experimental/datetime-format.h"
#include "src/extensions/experimental/i18n-locale.h"
#include "src/extensions/experimental/i18n-natives.h"
#include "src/extensions/experimental/number-format.h"
namespace v8 {
namespace internal {
I18NExtension* I18NExtension::extension_ = NULL;
I18NExtension::I18NExtension()
: v8::Extension("v8/i18n", I18Natives::GetScriptSource()) {
}
v8::Handle<v8::FunctionTemplate> I18NExtension::GetNativeFunction(
v8::Handle<v8::String> name) {
if (name->Equals(v8::String::New("NativeJSLocale"))) {
return v8::FunctionTemplate::New(I18NLocale::JSLocale);
} else if (name->Equals(v8::String::New("NativeJSBreakIterator"))) {
return v8::FunctionTemplate::New(BreakIterator::JSBreakIterator);
} else if (name->Equals(v8::String::New("NativeJSCollator"))) {
return v8::FunctionTemplate::New(Collator::JSCollator);
} else if (name->Equals(v8::String::New("NativeJSDateTimeFormat"))) {
return v8::FunctionTemplate::New(DateTimeFormat::JSDateTimeFormat);
} else if (name->Equals(v8::String::New("NativeJSNumberFormat"))) {
return v8::FunctionTemplate::New(NumberFormat::JSNumberFormat);
}
return v8::Handle<v8::FunctionTemplate>();
}
I18NExtension* I18NExtension::get() {
if (!extension_) {
extension_ = new I18NExtension();
}
return extension_;
}
void I18NExtension::Register() {
static v8::DeclareExtension i18n_extension_declaration(I18NExtension::get());
}
} } // namespace v8::internal
src/extensions/experimental/i18n-extension.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_I18N_EXTENSION_H_
#define V8_EXTENSIONS_EXPERIMENTAL_I18N_EXTENSION_H_
#include "include/v8.h"
namespace v8 {
namespace internal {
class I18NExtension : public v8::Extension {
public:
I18NExtension();
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name);
// V8 code prefers Register, while Chrome and WebKit use get kind of methods.
static void Register();
static I18NExtension* get();
private:
static I18NExtension* extension_;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_I18N_EXTENSION_H_
src/extensions/experimental/i18n-js2c.py
View file @ bc091f31
#!/usr/bin/env python
#
# Copyright 2011 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.
# This is a utility for converting I18N JavaScript source code into C-style
# char arrays. It is used for embedded JavaScript code in the V8
# library.
# This is a pared down copy of v8/tools/js2c.py that avoids use of
# v8/src/natives.h and produces different cc template.
import os, re, sys, string
def ToCArray(lines):
result = []
for chr in lines:
value = ord(chr)
assert value < 128
result.append(str(value))
result.append("0")
return ", ".join(result)
def RemoveCommentsAndTrailingWhitespace(lines):
lines = re.sub(r'//.*\n', '\n', lines) # end-of-line comments
lines = re.sub(re.compile(r'/\*.*?\*/', re.DOTALL), '', lines) # comments.
lines = re.sub(r'\s+\n+', '\n', lines) # trailing whitespace
return lines
def ReadFile(filename):
file = open(filename, "rt")
try:
lines = file.read()
finally:
file.close()
return lines
EVAL_PATTERN = re.compile(r'\beval\s*\(');
WITH_PATTERN = re.compile(r'\bwith\s*\(');
def Validate(lines, file):
lines = RemoveCommentsAndTrailingWhitespace(lines)
# Because of simplified context setup, eval and with is not
# allowed in the natives files.
eval_match = EVAL_PATTERN.search(lines)
if eval_match:
raise ("Eval disallowed in natives: %s" % file)
with_match = WITH_PATTERN.search(lines)
if with_match:
raise ("With statements disallowed in natives: %s" % file)
HEADER_TEMPLATE = """\
// Copyright 2011 Google Inc. All Rights Reserved.
// This file was generated from .js source files by gyp. If you
// want to make changes to this file you should either change the
// javascript source files or the i18n-js2c.py script.
#include "src/extensions/experimental/i18n-natives.h"
namespace v8 {
namespace internal {
// static
const char* I18Natives::GetScriptSource() {
// JavaScript source gets injected here.
static const char i18n_source[] = {%s};
return i18n_source;
}
} // internal
} // v8
"""
def JS2C(source, target):
filename = str(source)
lines = ReadFile(filename)
Validate(lines, filename)
data = ToCArray(lines)
# Emit result
output = open(target, "w")
output.write(HEADER_TEMPLATE % data)
output.close()
def main():
target = sys.argv[1]
source = sys.argv[2]
JS2C(source, target)
if __name__ == "__main__":
main()
src/extensions/experimental/i18n-locale.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/i18n-locale.h"
#include "src/extensions/experimental/i18n-utils.h"
#include "src/extensions/experimental/language-matcher.h"
#include "unicode/locid.h"
#include "unicode/uloc.h"
namespace v8 {
namespace internal {
const char* const I18NLocale::kLocaleID = "localeID";
const char* const I18NLocale::kRegionID = "regionID";
const char* const I18NLocale::kICULocaleID = "icuLocaleID";
v8::Handle<v8::Value> I18NLocale::JSLocale(const v8::Arguments& args) {
v8::HandleScope handle_scope;
if (args.Length() != 1 || !args[0]->IsObject()) {
return v8::Undefined();
}
v8::Local<v8::Object> settings = args[0]->ToObject();
// Get best match for locale.
v8::TryCatch try_catch;
v8::Handle<v8::Value> locale_id = settings->Get(v8::String::New(kLocaleID));
if (try_catch.HasCaught()) {
return v8::Undefined();
}
LocaleIDMatch result;
if (locale_id->IsArray()) {
LanguageMatcher::GetBestMatchForPriorityList(
v8::Handle<v8::Array>::Cast(locale_id), &result);
} else if (locale_id->IsString()) {
LanguageMatcher::GetBestMatchForString(locale_id->ToString(), &result);
} else {
LanguageMatcher::GetBestMatchForString(v8::String::New(""), &result);
}
// Get best match for region.
char region_id[ULOC_COUNTRY_CAPACITY];
I18NUtils::StrNCopy(region_id, ULOC_COUNTRY_CAPACITY, "");
v8::Handle<v8::Value> region = settings->Get(v8::String::New(kRegionID));
if (try_catch.HasCaught()) {
return v8::Undefined();
}
if (!GetBestMatchForRegionID(result.icu_id, region, region_id)) {
// Set region id to empty string because region couldn't be inferred.
I18NUtils::StrNCopy(region_id, ULOC_COUNTRY_CAPACITY, "");
}
// Build JavaScript object that contains bcp and icu locale ID and region ID.
v8::Handle<v8::Object> locale = v8::Object::New();
locale->Set(v8::String::New(kLocaleID), v8::String::New(result.bcp47_id));
locale->Set(v8::String::New(kICULocaleID), v8::String::New(result.icu_id));
locale->Set(v8::String::New(kRegionID), v8::String::New(region_id));
return handle_scope.Close(locale);
}
bool I18NLocale::GetBestMatchForRegionID(
const char* locale_id, v8::Handle<v8::Value> region_id, char* result) {
if (region_id->IsString() && region_id->ToString()->Length() != 0) {
icu::Locale user_locale(
icu::Locale("und", *v8::String::Utf8Value(region_id->ToString())));
I18NUtils::StrNCopy(
result, ULOC_COUNTRY_CAPACITY, user_locale.getCountry());
return true;
}
// Maximize locale_id to infer the region (e.g. expand "de" to "de-Latn-DE"
// and grab "DE" from the result).
UErrorCode status = U_ZERO_ERROR;
char maximized_locale[ULOC_FULLNAME_CAPACITY];
uloc_addLikelySubtags(
locale_id, maximized_locale, ULOC_FULLNAME_CAPACITY, &status);
uloc_getCountry(maximized_locale, result, ULOC_COUNTRY_CAPACITY, &status);
return !U_FAILURE(status);
}
} } // namespace v8::internal
src/extensions/experimental/i18n-locale.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_I18N_LOCALE_H_
#define V8_EXTENSIONS_EXPERIMENTAL_I18N_LOCALE_H_
#include "include/v8.h"
namespace v8 {
namespace internal {
class I18NLocale {
public:
I18NLocale() {}
// Implementations of window.Locale methods.
static v8::Handle<v8::Value> JSLocale(const v8::Arguments& args);
// Infers region id given the locale id, or uses user specified region id.
// Result is canonicalized.
// Returns status of ICU operation (maximizing locale or get region call).
static bool GetBestMatchForRegionID(
const char* locale_id, v8::Handle<v8::Value> regions, char* result);
private:
// Key name for localeID parameter.
static const char* const kLocaleID;
// Key name for regionID parameter.
static const char* const kRegionID;
// Key name for the icuLocaleID result.
static const char* const kICULocaleID;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_I18N_LOCALE_H_
src/extensions/experimental/i18n-natives.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_I18N_NATIVES_H_
#define V8_EXTENSIONS_EXPERIMENTAL_I18N_NATIVES_H_
namespace v8 {
namespace internal {
class I18Natives {
public:
// Gets script source from generated file.
// Source is statically allocated string.
static const char* GetScriptSource();
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_I18N_NATIVES_H_
src/extensions/experimental/i18n-utils.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/i18n-utils.h"
#include <string.h>
#include "unicode/unistr.h"
namespace v8 {
namespace internal {
// static
void I18NUtils::StrNCopy(char* dest, int length, const char* src) {
if (!dest || !src) return;
strncpy(dest, src, length);
dest[length - 1] = '\0';
}
// static
bool I18NUtils::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()) {
v8::String::Utf8Value utf8_value(value);
if (*utf8_value == NULL) return false;
result->setTo(icu::UnicodeString::fromUTF8(*utf8_value));
return true;
}
return false;
}
// static
void I18NUtils::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;
}
} } // namespace v8::internal
src/extensions/experimental/i18n-utils.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_I18N_UTILS_H_
#define V8_EXTENSIONS_EXPERIMENTAL_I18N_UTILS_H_
#include "include/v8.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class UnicodeString;
}
namespace v8 {
namespace internal {
class I18NUtils {
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);
// 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);
// 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);
private:
I18NUtils() {}
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_I18N_UTILS_H_
src/extensions/experimental/i18n.js
View file @ bc091f31
// Copyright 2006-2011 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.
// TODO(cira): Rename v8Locale into LocaleInfo once we have stable API.
/**
* LocaleInfo class is an aggregate class of all i18n API calls.
* @param {Object} settings - localeID and regionID to create LocaleInfo from.
* {Array.<string>|string} settings.localeID -
* Unicode identifier of the locale.
* See http://unicode.org/reports/tr35/#BCP_47_Conformance
* {string} settings.regionID - ISO3166 region ID with addition of
* invalid, undefined and reserved region codes.
* @constructor
*/
v8Locale = function(settings) {
native function NativeJSLocale();
// Assume user wanted to do v8Locale("sr");
if (typeof(settings) === "string") {
settings = {'localeID': settings};
}
var properties = NativeJSLocale(
v8Locale.__createSettingsOrDefault(settings, {'localeID': 'root'}));
// Keep the resolved ICU locale ID around to avoid resolving localeID to
// ICU locale ID every time BreakIterator, Collator and so forth are called.
this.__icuLocaleID = properties.icuLocaleID;
this.options = {'localeID': properties.localeID,
'regionID': properties.regionID};
};
/**
* Clones existing locale with possible overrides for some of the options.
* @param {!Object} settings - overrides for current locale settings.
* @returns {Object} - new LocaleInfo object.
*/
v8Locale.prototype.derive = function(settings) {
return new v8Locale(
v8Locale.__createSettingsOrDefault(settings, this.options));
};
/**
* v8BreakIterator class implements locale aware segmenatation.
* It is not part of EcmaScript proposal.
* @param {Object} locale - locale object to pass to break
* iterator implementation.
* @param {string} type - type of segmenatation:
* - character
* - word
* - sentence
* - line
* @private
* @constructor
*/
v8Locale.v8BreakIterator = function(locale, type) {
native function NativeJSBreakIterator();
locale = v8Locale.__createLocaleOrDefault(locale);
// BCP47 ID would work in this case, but we use ICU locale for consistency.
var iterator = NativeJSBreakIterator(locale.__icuLocaleID, type);
iterator.type = type;
return iterator;
};
/**
* Type of the break we encountered during previous iteration.
* @type{Enum}
*/
v8Locale.v8BreakIterator.BreakType = {
'unknown': -1,
'none': 0,
'number': 100,
'word': 200,
'kana': 300,
'ideo': 400
};
/**
* Creates new v8BreakIterator based on current locale.
* @param {string} - type of segmentation. See constructor.
* @returns {Object} - new v8BreakIterator object.
*/
v8Locale.prototype.v8CreateBreakIterator = function(type) {
return new v8Locale.v8BreakIterator(this, type);
};
// TODO(jungshik): Set |collator.options| to actually recognized / resolved
// values.
/**
* Collator class implements locale-aware sort.
* @param {Object} locale - locale object to pass to collator implementation.
* @param {Object} settings - collation flags:
* - ignoreCase
* - ignoreAccents
* - numeric
* @private
* @constructor
*/
v8Locale.Collator = function(locale, settings) {
native function NativeJSCollator();
locale = v8Locale.__createLocaleOrDefault(locale);
var collator = NativeJSCollator(
locale.__icuLocaleID, v8Locale.__createSettingsOrDefault(settings, {}));
return collator;
};
/**
* Creates new Collator based on current locale.
* @param {Object} - collation flags. See constructor.
* @returns {Object} - new Collator object.
*/
v8Locale.prototype.createCollator = function(settings) {
return new v8Locale.Collator(this, settings);
};
/**
* DateTimeFormat class implements locale-aware date and time formatting.
* Constructor is not part of public API.
* @param {Object} locale - locale object to pass to formatter.
* @param {Object} settings - formatting flags:
* - skeleton
* - dateStyle
* - timeStyle
* @private
* @constructor
*/
v8Locale.__DateTimeFormat = function(locale, settings) {
native function NativeJSDateTimeFormat();
settings = v8Locale.__createSettingsOrDefault(settings, {});
var cleanSettings = {};
if (settings.hasOwnProperty('skeleton')) {
cleanSettings['skeleton'] = settings['skeleton'];
} else {
cleanSettings = {};
if (settings.hasOwnProperty('dateStyle')) {
var ds = settings['dateStyle'];
if (!/^(short|medium|long|full)$/.test(ds)) ds = 'short';
cleanSettings['dateStyle'] = ds;
} else if (settings.hasOwnProperty('dateType')) {
// Obsolete. New spec requires dateStyle, but we'll keep this around
// for current users.
// TODO(cira): Remove when all internal users switch to dateStyle.
var dt = settings['dateType'];
if (!/^(short|medium|long|full)$/.test(dt)) dt = 'short';
cleanSettings['dateStyle'] = dt;
}
if (settings.hasOwnProperty('timeStyle')) {
var ts = settings['timeStyle'];
if (!/^(short|medium|long|full)$/.test(ts)) ts = 'short';
cleanSettings['timeStyle'] = ts;
} else if (settings.hasOwnProperty('timeType')) {
// TODO(cira): Remove when all internal users switch to timeStyle.
var tt = settings['timeType'];
if (!/^(short|medium|long|full)$/.test(tt)) tt = 'short';
cleanSettings['timeStyle'] = tt;
}
}
// Default is to show short date and time.
if (!cleanSettings.hasOwnProperty('skeleton') &&
!cleanSettings.hasOwnProperty('dateStyle') &&
!cleanSettings.hasOwnProperty('timeStyle')) {
cleanSettings = {'dateStyle': 'short',
'timeStyle': 'short'};
}
locale = v8Locale.__createLocaleOrDefault(locale);
var formatter = NativeJSDateTimeFormat(locale.__icuLocaleID, cleanSettings);
// NativeJSDateTimeFormat creates formatter.options for us, we just need
// to append actual settings to it.
for (key in cleanSettings) {
formatter.options[key] = cleanSettings[key];
}
/**
* Clones existing date time format with possible overrides for some
* of the options.
* @param {!Object} overrideSettings - overrides for current format settings.
* @returns {Object} - new DateTimeFormat object.
* @public
*/
formatter.derive = function(overrideSettings) {
// To remove a setting user can specify undefined as its value. We'll remove
// it from the map in that case.
for (var prop in overrideSettings) {
if (settings.hasOwnProperty(prop) && !overrideSettings[prop]) {
delete settings[prop];
}
}
return new v8Locale.__DateTimeFormat(
locale, v8Locale.__createSettingsOrDefault(overrideSettings, settings));
};
return formatter;
};
/**
* Creates new DateTimeFormat based on current locale.
* @param {Object} - formatting flags. See constructor.
* @returns {Object} - new DateTimeFormat object.
*/
v8Locale.prototype.createDateTimeFormat = function(settings) {
return new v8Locale.__DateTimeFormat(this, settings);
};
/**
* NumberFormat class implements locale-aware number formatting.
* Constructor is not part of public API.
* @param {Object} locale - locale object to pass to formatter.
* @param {Object} settings - formatting flags:
* - skeleton
* - pattern
* - style - decimal, currency, percent or scientific
* - currencyCode - ISO 4217 3-letter currency code
* @private
* @constructor
*/
v8Locale.__NumberFormat = function(locale, settings) {
native function NativeJSNumberFormat();
settings = v8Locale.__createSettingsOrDefault(settings, {});
var cleanSettings = {};
if (settings.hasOwnProperty('skeleton')) {
// Assign skeleton to cleanSettings and fix invalid currency pattern
// if present - 'ooxo' becomes 'o'.
cleanSettings['skeleton'] =
settings['skeleton'].replace(/\u00a4+[^\u00a4]+\u00a4+/g, '\u00a4');
} else if (settings.hasOwnProperty('pattern')) {
cleanSettings['pattern'] = settings['pattern'];
} else if (settings.hasOwnProperty('style')) {
var style = settings['style'];
if (!/^(decimal|currency|percent|scientific)$/.test(style)) {
style = 'decimal';
}
cleanSettings['style'] = style;
}
// Default is to show decimal style.
if (!cleanSettings.hasOwnProperty('skeleton') &&
!cleanSettings.hasOwnProperty('pattern') &&
!cleanSettings.hasOwnProperty('style')) {
cleanSettings = {'style': 'decimal'};
}
// Add currency code if available and valid (3-letter ASCII code).
if (settings.hasOwnProperty('currencyCode') &&
/^[a-zA-Z]{3}$/.test(settings['currencyCode'])) {
cleanSettings['currencyCode'] = settings['currencyCode'].toUpperCase();
}
locale = v8Locale.__createLocaleOrDefault(locale);
// Pass in region ID for proper currency detection. Use ZZ if region is empty.
var region = locale.options.regionID !== '' ? locale.options.regionID : 'ZZ';
var formatter = NativeJSNumberFormat(
locale.__icuLocaleID, 'und_' + region, cleanSettings);
// ICU doesn't always uppercase the currency code.
if (formatter.options.hasOwnProperty('currencyCode')) {
formatter.options['currencyCode'] =
formatter.options['currencyCode'].toUpperCase();
}
for (key in cleanSettings) {
// Don't overwrite keys that are alredy in.
if (formatter.options.hasOwnProperty(key)) continue;
formatter.options[key] = cleanSettings[key];
}
/**
* Clones existing number format with possible overrides for some
* of the options.
* @param {!Object} overrideSettings - overrides for current format settings.
* @returns {Object} - new or cached NumberFormat object.
* @public
*/
formatter.derive = function(overrideSettings) {
// To remove a setting user can specify undefined as its value. We'll remove
// it from the map in that case.
for (var prop in overrideSettings) {
if (settings.hasOwnProperty(prop) && !overrideSettings[prop]) {
delete settings[prop];
}
}
return new v8Locale.__NumberFormat(
locale, v8Locale.__createSettingsOrDefault(overrideSettings, settings));
};
return formatter;
};
/**
* Creates new NumberFormat based on current locale.
* @param {Object} - formatting flags. See constructor.
* @returns {Object} - new or cached NumberFormat object.
*/
v8Locale.prototype.createNumberFormat = function(settings) {
return new v8Locale.__NumberFormat(this, settings);
};
/**
* Merges user settings and defaults.
* Settings that are not of object type are rejected.
* Actual property values are not validated, but whitespace is trimmed if they
* are strings.
* @param {!Object} settings - user provided settings.
* @param {!Object} defaults - default values for this type of settings.
* @returns {Object} - valid settings object.
* @private
*/
v8Locale.__createSettingsOrDefault = function(settings, defaults) {
if (!settings || typeof(settings) !== 'object' ) {
return defaults;
}
for (var key in defaults) {
if (!settings.hasOwnProperty(key)) {
settings[key] = defaults[key];
}
}
// Clean up settings.
for (var key in settings) {
// Trim whitespace.
if (typeof(settings[key]) === "string") {
settings[key] = settings[key].trim();
}
// Remove all properties that are set to undefined/null. This allows
// derive method to remove a setting we don't need anymore.
if (!settings[key]) {
delete settings[key];
}
}
return settings;
};
/**
* If locale is valid (defined and of v8Locale type) we return it. If not
* we create default locale and return it.
* @param {!Object} locale - user provided locale.
* @returns {Object} - v8Locale object.
* @private
*/
v8Locale.__createLocaleOrDefault = function(locale) {
if (!locale || !(locale instanceof v8Locale)) {
return new v8Locale();
} else {
return locale;
}
};
src/extensions/experimental/language-matcher.cc
View file @ bc091f31
// Copyright 2011 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.
// TODO(cira): Remove LanguageMatcher from v8 when ICU implements
// language matching API.
#include "src/extensions/experimental/language-matcher.h"
#include <string.h>
#include "src/extensions/experimental/i18n-utils.h"
#include "unicode/datefmt.h" // For getAvailableLocales
#include "unicode/locid.h"
#include "unicode/uloc.h"
namespace v8 {
namespace internal {
const unsigned int LanguageMatcher::kLanguageWeight = 75;
const unsigned int LanguageMatcher::kScriptWeight = 20;
const unsigned int LanguageMatcher::kRegionWeight = 5;
const unsigned int LanguageMatcher::kThreshold = 50;
const unsigned int LanguageMatcher::kPositionBonus = 1;
const char* const LanguageMatcher::kDefaultLocale = "root";
static const char* GetLanguageException(const char*);
static bool BCP47ToICUFormat(const char*, char*);
static int CompareLocaleSubtags(const char*, const char*);
static bool BuildLocaleName(const char*, const char*, LocaleIDMatch*);
LocaleIDMatch::LocaleIDMatch()
: score(-1) {
I18NUtils::StrNCopy(
bcp47_id, ULOC_FULLNAME_CAPACITY, LanguageMatcher::kDefaultLocale);
I18NUtils::StrNCopy(
icu_id, ULOC_FULLNAME_CAPACITY, LanguageMatcher::kDefaultLocale);
}
LocaleIDMatch& LocaleIDMatch::operator=(const LocaleIDMatch& rhs) {
I18NUtils::StrNCopy(this->bcp47_id, ULOC_FULLNAME_CAPACITY, rhs.bcp47_id);
I18NUtils::StrNCopy(this->icu_id, ULOC_FULLNAME_CAPACITY, rhs.icu_id);
this->score = rhs.score;
return *this;
}
// static
void LanguageMatcher::GetBestMatchForPriorityList(
v8::Handle<v8::Array> locales, LocaleIDMatch* result) {
v8::HandleScope handle_scope;
unsigned int position_bonus = locales->Length() * kPositionBonus;
int max_score = 0;
LocaleIDMatch match;
for (unsigned int i = 0; i < locales->Length(); ++i) {
position_bonus -= kPositionBonus;
v8::TryCatch try_catch;
v8::Local<v8::Value> locale_id = locales->Get(v8::Integer::New(i));
// Return default if exception is raised when reading parameter.
if (try_catch.HasCaught()) break;
// JavaScript arrays can be heterogenous so check each item
// if it's a string.
if (!locale_id->IsString()) continue;
if (!CompareToSupportedLocaleIDList(locale_id->ToString(), &match)) {
continue;
}
// Skip items under threshold.
if (match.score < kThreshold) continue;
match.score += position_bonus;
if (match.score > max_score) {
*result = match;
max_score = match.score;
}
}
}
// static
void LanguageMatcher::GetBestMatchForString(
v8::Handle<v8::String> locale, LocaleIDMatch* result) {
LocaleIDMatch match;
if (CompareToSupportedLocaleIDList(locale, &match) &&
match.score >= kThreshold) {
*result = match;
}
}
// static
bool LanguageMatcher::CompareToSupportedLocaleIDList(
v8::Handle<v8::String> locale_id, LocaleIDMatch* result) {
static int32_t available_count = 0;
// Depending on how ICU data is built, locales returned by
// Locale::getAvailableLocale() are not guaranteed to support DateFormat,
// Collation and other services. We can call getAvailableLocale() of all the
// services we want to support and take the intersection of them all, but
// using DateFormat::getAvailableLocales() should suffice.
// TODO(cira): Maybe make this thread-safe?
static const icu::Locale* available_locales =
icu::DateFormat::getAvailableLocales(available_count);
// Skip this locale_id if it's not in ASCII.
static LocaleIDMatch default_match;
v8::String::AsciiValue ascii_value(locale_id);
if (*ascii_value == NULL) return false;
char locale[ULOC_FULLNAME_CAPACITY];
if (!BCP47ToICUFormat(*ascii_value, locale)) return false;
icu::Locale input_locale(locale);
// Position of the best match locale in list of available locales.
int position = -1;
const char* language = GetLanguageException(input_locale.getLanguage());
const char* script = input_locale.getScript();
const char* region = input_locale.getCountry();
for (int32_t i = 0; i < available_count; ++i) {
int current_score = 0;
int sign =
CompareLocaleSubtags(language, available_locales[i].getLanguage());
current_score += sign * kLanguageWeight;
sign = CompareLocaleSubtags(script, available_locales[i].getScript());
current_score += sign * kScriptWeight;
sign = CompareLocaleSubtags(region, available_locales[i].getCountry());
current_score += sign * kRegionWeight;
if (current_score >= kThreshold && current_score > result->score) {
result->score = current_score;
position = i;
}
}
// Didn't find any good matches so use defaults.
if (position == -1) return false;
return BuildLocaleName(available_locales[position].getBaseName(),
input_locale.getName(), result);
}
// For some unsupported language subtags it is better to fallback to related
// language that is supported than to default.
static const char* GetLanguageException(const char* language) {
// Serbo-croatian to Serbian.
if (!strcmp(language, "sh")) return "sr";
// Norweigan to Norweiaan to Norwegian Bokmal.
if (!strcmp(language, "no")) return "nb";
// Moldavian to Romanian.
if (!strcmp(language, "mo")) return "ro";
// Tagalog to Filipino.
if (!strcmp(language, "tl")) return "fil";
return language;
}
// Converts user input from BCP47 locale id format to ICU compatible format.
// Returns false if uloc_forLanguageTag call fails or if extension is too long.
static bool BCP47ToICUFormat(const char* locale_id, char* result) {
UErrorCode status = U_ZERO_ERROR;
int32_t locale_size = 0;
char locale[ULOC_FULLNAME_CAPACITY];
I18NUtils::StrNCopy(locale, ULOC_FULLNAME_CAPACITY, locale_id);
// uloc_forLanguageTag has a bug where long extension can crash the code.
// We need to check if extension part of language id conforms to the length.
// ICU bug: http://bugs.icu-project.org/trac/ticket/8519
const char* extension = strstr(locale_id, "-u-");
if (extension != NULL &&
strlen(extension) > ULOC_KEYWORD_AND_VALUES_CAPACITY) {
// Truncate to get non-crashing string, but still preserve base language.
int base_length = strlen(locale_id) - strlen(extension);
locale[base_length] = '\0';
}
uloc_forLanguageTag(locale, result, ULOC_FULLNAME_CAPACITY,
&locale_size, &status);
return !U_FAILURE(status);
}
// Compares locale id subtags.
// Returns 1 for match or -1 for mismatch.
static int CompareLocaleSubtags(const char* lsubtag, const char* rsubtag) {
return strcmp(lsubtag, rsubtag) == 0 ? 1 : -1;
}
// Builds a BCP47 compliant locale id from base name of matched locale and
// full user specified locale.
// Returns false if uloc_toLanguageTag failed to convert locale id.
// Example:
// base_name of matched locale (ICU ID): de_DE
// input_locale_name (ICU ID): de_AT@collation=phonebk
// result (ICU ID): de_DE@collation=phonebk
// result (BCP47 ID): de-DE-u-co-phonebk
static bool BuildLocaleName(const char* base_name,
const char* input_locale_name,
LocaleIDMatch* result) {
I18NUtils::StrNCopy(result->icu_id, ULOC_LANG_CAPACITY, base_name);
// Get extensions (if any) from the original locale.
const char* extension = strchr(input_locale_name, ULOC_KEYWORD_SEPARATOR);
if (extension != NULL) {
I18NUtils::StrNCopy(result->icu_id + strlen(base_name),
ULOC_KEYWORD_AND_VALUES_CAPACITY, extension);
} else {
I18NUtils::StrNCopy(result->icu_id, ULOC_LANG_CAPACITY, base_name);
}
// Convert ICU locale name into BCP47 format.
UErrorCode status = U_ZERO_ERROR;
uloc_toLanguageTag(result->icu_id, result->bcp47_id,
ULOC_FULLNAME_CAPACITY, false, &status);
return !U_FAILURE(status);
}
} } // namespace v8::internal
src/extensions/experimental/language-matcher.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_LANGUAGE_MATCHER_H_
#define V8_EXTENSIONS_EXPERIMENTAL_LANGUAGE_MATCHER_H_
#include "include/v8.h"
#include "unicode/uloc.h"
namespace v8 {
namespace internal {
struct LocaleIDMatch {
LocaleIDMatch();
LocaleIDMatch& operator=(const LocaleIDMatch& rhs);
// Bcp47 locale id - "de-Latn-DE-u-co-phonebk".
char bcp47_id[ULOC_FULLNAME_CAPACITY];
// ICU locale id - "de_Latn_DE@collation=phonebk".
char icu_id[ULOC_FULLNAME_CAPACITY];
// Score for this locale.
int score;
};
class LanguageMatcher {
public:
// Default locale.
static const char* const kDefaultLocale;
// Finds best supported locale for a given a list of locale identifiers.
// It preserves the extension for the locale id.
static void GetBestMatchForPriorityList(
v8::Handle<v8::Array> locale_list, LocaleIDMatch* result);
// Finds best supported locale for a single locale identifier.
// It preserves the extension for the locale id.
static void GetBestMatchForString(
v8::Handle<v8::String> locale_id, LocaleIDMatch* result);
private:
// If langauge subtags match add this amount to the score.
static const unsigned int kLanguageWeight;
// If script subtags match add this amount to the score.
static const unsigned int kScriptWeight;
// If region subtags match add this amount to the score.
static const unsigned int kRegionWeight;
// LocaleID match score has to be over this number to accept the match.
static const unsigned int kThreshold;
// For breaking ties in priority queue.
static const unsigned int kPositionBonus;
LanguageMatcher();
// Compares locale_id to the supported list of locales and returns best
// match.
// Returns false if it fails to convert locale id from ICU to BCP47 format.
static bool CompareToSupportedLocaleIDList(v8::Handle<v8::String> locale_id,
LocaleIDMatch* result);
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_LANGUAGE_MATCHER_H_
src/extensions/experimental/number-format.cc
View file @ bc091f31
// Copyright 2011 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 "src/extensions/experimental/number-format.h"
#include <string.h>
#include "src/extensions/experimental/i18n-utils.h"
#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/locid.h"
#include "unicode/numfmt.h"
#include "unicode/uchar.h"
#include "unicode/ucurr.h"
#include "unicode/unum.h"
#include "unicode/uversion.h"
namespace v8 {
namespace internal {
const int NumberFormat::kCurrencyCodeLength = 4;
v8::Persistent<v8::FunctionTemplate> NumberFormat::number_format_template_;
static icu::DecimalFormat* CreateNumberFormat(v8::Handle<v8::String>,
v8::Handle<v8::String>,
v8::Handle<v8::Object>);
static icu::DecimalFormat* CreateFormatterFromSkeleton(
const icu::Locale&, const icu::UnicodeString&, UErrorCode*);
static icu::DecimalFormatSymbols* GetFormatSymbols(const icu::Locale&);
static bool GetCurrencyCode(const icu::Locale&,
const char* const,
v8::Handle<v8::Object>,
UChar*);
static v8::Handle<v8::Value> ThrowUnexpectedObjectError();
icu::DecimalFormat* NumberFormat::UnpackNumberFormat(
v8::Handle<v8::Object> obj) {
if (number_format_template_->HasInstance(obj)) {
return static_cast<icu::DecimalFormat*>(
obj->GetPointerFromInternalField(0));
}
return NULL;
}
void NumberFormat::DeleteNumberFormat(v8::Persistent<v8::Value> object,
void* param) {
v8::Persistent<v8::Object> persistent_object =
v8::Persistent<v8::Object>::Cast(object);
// 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 number formatter.
delete UnpackNumberFormat(persistent_object);
// Then dispose of the persistent handle to JS object.
persistent_object.Dispose();
}
v8::Handle<v8::Value> NumberFormat::Format(const v8::Arguments& args) {
v8::HandleScope handle_scope;
if (args.Length() != 1 || !args[0]->IsNumber()) {
// Just return NaN on invalid input.
return v8::String::New("NaN");
}
icu::DecimalFormat* number_format = UnpackNumberFormat(args.Holder());
if (!number_format) {
return ThrowUnexpectedObjectError();
}
// ICU will handle actual NaN value properly and return NaN string.
icu::UnicodeString result;
number_format->format(args[0]->NumberValue(), result);
return v8::String::New(
reinterpret_cast<const uint16_t*>(result.getBuffer()), result.length());
}
v8::Handle<v8::Value> NumberFormat::JSNumberFormat(const v8::Arguments& args) {
v8::HandleScope handle_scope;
// Expect locale id, region id and settings.
if (args.Length() != 3 ||
!args[0]->IsString() || !args[1]->IsString() || !args[2]->IsObject()) {
return v8::ThrowException(v8::Exception::SyntaxError(
v8::String::New("Locale, region and number settings are required.")));
}
icu::DecimalFormat* number_format = CreateNumberFormat(
args[0]->ToString(), args[1]->ToString(), args[2]->ToObject());
if (number_format_template_.IsEmpty()) {
v8::Local<v8::FunctionTemplate> raw_template(v8::FunctionTemplate::New());
raw_template->SetClassName(v8::String::New("v8Locale.NumberFormat"));
// Define internal field count on instance template.
v8::Local<v8::ObjectTemplate> object_template =
raw_template->InstanceTemplate();
// Set aside internal field for icu number formatter.
object_template->SetInternalFieldCount(1);
// Define all of the prototype methods on prototype template.
v8::Local<v8::ObjectTemplate> proto = raw_template->PrototypeTemplate();
proto->Set(v8::String::New("format"),
v8::FunctionTemplate::New(Format));
number_format_template_ =
v8::Persistent<v8::FunctionTemplate>::New(raw_template);
}
// Create an empty object wrapper.
v8::Local<v8::Object> local_object =
number_format_template_->GetFunction()->NewInstance();
v8::Persistent<v8::Object> wrapper =
v8::Persistent<v8::Object>::New(local_object);
// Set number formatter as internal field of the resulting JS object.
wrapper->SetPointerInInternalField(0, number_format);
// Create options key.
v8::Local<v8::Object> options = v8::Object::New();
// Show what ICU decided to use for easier problem tracking.
// Keep it as v8 specific extension.
icu::UnicodeString pattern;
number_format->toPattern(pattern);
options->Set(v8::String::New("v8ResolvedPattern"),
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()) {
options->Set(v8::String::New("currencyCode"),
v8::String::New(reinterpret_cast<const uint16_t*>(
currency.getBuffer()), currency.length()));
}
wrapper->Set(v8::String::New("options"), options);
// Make object handle weak so we can delete iterator once GC kicks in.
wrapper.MakeWeak(NULL, DeleteNumberFormat);
return wrapper;
}
// Returns DecimalFormat.
static icu::DecimalFormat* CreateNumberFormat(v8::Handle<v8::String> locale,
v8::Handle<v8::String> region,
v8::Handle<v8::Object> settings) {
v8::HandleScope handle_scope;
v8::String::AsciiValue ascii_locale(locale);
icu::Locale icu_locale(*ascii_locale);
// Make formatter from skeleton.
icu::DecimalFormat* number_format = NULL;
UErrorCode status = U_ZERO_ERROR;
icu::UnicodeString setting;
if (I18NUtils::ExtractStringSetting(settings, "skeleton", &setting)) {
// TODO(cira): Use ICU skeleton once
// http://bugs.icu-project.org/trac/ticket/8610 is resolved.
number_format = CreateFormatterFromSkeleton(icu_locale, setting, &status);
} else if (I18NUtils::ExtractStringSetting(settings, "pattern", &setting)) {
number_format =
new icu::DecimalFormat(setting, GetFormatSymbols(icu_locale), status);
} else if (I18NUtils::ExtractStringSetting(settings, "style", &setting)) {
if (setting == UNICODE_STRING_SIMPLE("currency")) {
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createCurrencyInstance(icu_locale, status));
} else if (setting == UNICODE_STRING_SIMPLE("percent")) {
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createPercentInstance(icu_locale, status));
} else if (setting == UNICODE_STRING_SIMPLE("scientific")) {
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createScientificInstance(icu_locale, status));
} else {
// Make it decimal in any other case.
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, status));
}
}
if (U_FAILURE(status)) {
delete number_format;
status = U_ZERO_ERROR;
number_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, status));
}
// Attach appropriate currency code to the formatter.
// It affects currency formatters only.
// Region is full language identifier in form 'und_' + region id.
v8::String::AsciiValue ascii_region(region);
UChar currency_code[NumberFormat::kCurrencyCodeLength];
if (GetCurrencyCode(icu_locale, *ascii_region, settings, currency_code)) {
number_format->setCurrency(currency_code, status);
}
return number_format;
}
// Generates ICU number format pattern from given skeleton.
// TODO(cira): Remove once ICU includes equivalent method
// (see http://bugs.icu-project.org/trac/ticket/8610).
static icu::DecimalFormat* CreateFormatterFromSkeleton(
const icu::Locale& icu_locale,
const icu::UnicodeString& skeleton,
UErrorCode* status) {
icu::DecimalFormat skeleton_format(
skeleton, GetFormatSymbols(icu_locale), *status);
// Find out if skeleton contains currency or percent symbol and create
// proper instance to tweak.
icu::DecimalFormat* base_format = NULL;
// UChar representation of U+00A4 currency symbol.
const UChar currency_symbol = 0xA4u;
int32_t index = skeleton.indexOf(currency_symbol);
if (index != -1) {
// Find how many U+00A4 are there. There is at least one.
// Case of non-consecutive U+00A4 is taken care of in i18n.js.
int32_t end_index = skeleton.lastIndexOf(currency_symbol, index);
#if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM <= 6)
icu::NumberFormat::EStyles style;
switch (end_index - index) {
case 0:
style = icu::NumberFormat::kCurrencyStyle;
break;
case 1:
style = icu::NumberFormat::kIsoCurrencyStyle;
break;
default:
style = icu::NumberFormat::kPluralCurrencyStyle;
}
#else // ICU version is 4.8 or above (we ignore versions below 4.0).
UNumberFormatStyle style;
switch (end_index - index) {
case 0:
style = UNUM_CURRENCY;
break;
case 1:
style = UNUM_CURRENCY_ISO;
break;
default:
style = UNUM_CURRENCY_PLURAL;
}
#endif
base_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, style, *status));
} else if (skeleton.indexOf('%') != -1) {
base_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createPercentInstance(icu_locale, *status));
} else {
// TODO(cira): Handle scientific skeleton.
base_format = static_cast<icu::DecimalFormat*>(
icu::NumberFormat::createInstance(icu_locale, *status));
}
if (U_FAILURE(*status)) {
delete base_format;
return NULL;
}
// Copy important information from skeleton to the new formatter.
// TODO(cira): copy rounding information from skeleton?
base_format->setGroupingUsed(skeleton_format.isGroupingUsed());
base_format->setMinimumIntegerDigits(
skeleton_format.getMinimumIntegerDigits());
base_format->setMinimumFractionDigits(
skeleton_format.getMinimumFractionDigits());
base_format->setMaximumFractionDigits(
skeleton_format.getMaximumFractionDigits());
return base_format;
}
// Gets decimal symbols for a locale.
static icu::DecimalFormatSymbols* GetFormatSymbols(
const icu::Locale& icu_locale) {
UErrorCode status = U_ZERO_ERROR;
icu::DecimalFormatSymbols* symbols =
new icu::DecimalFormatSymbols(icu_locale, status);
if (U_FAILURE(status)) {
delete symbols;
// Use symbols from default locale.
symbols = new icu::DecimalFormatSymbols(status);
}
return symbols;
}
// Gets currency ISO 4217 3-letter code.
// Check currencyCode setting first, then @currency=code and in the end
// try to infer currency code from locale in the form 'und_' + region id.
// Returns false in case of error.
static bool GetCurrencyCode(const icu::Locale& icu_locale,
const char* const und_region_locale,
v8::Handle<v8::Object> settings,
UChar* code) {
UErrorCode status = U_ZERO_ERROR;
// If there is user specified currency code, use it.
icu::UnicodeString currency;
if (I18NUtils::ExtractStringSetting(settings, "currencyCode", &currency)) {
currency.extract(code, NumberFormat::kCurrencyCodeLength, status);
return true;
}
// If ICU locale has -cu- currency code use it.
char currency_code[NumberFormat::kCurrencyCodeLength];
int32_t length = icu_locale.getKeywordValue(
"currency", currency_code, NumberFormat::kCurrencyCodeLength, status);
if (length != 0) {
I18NUtils::AsciiToUChar(currency_code, length + 1,
code, NumberFormat::kCurrencyCodeLength);
return true;
}
// Otherwise infer currency code from the region id.
ucurr_forLocale(
und_region_locale, code, NumberFormat::kCurrencyCodeLength, &status);
return !!U_SUCCESS(status);
}
// 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("NumberFormat method called on an object "
"that is not a NumberFormat.")));
}
} } // namespace v8::internal
src/extensions/experimental/number-format.h
View file @ bc091f31
// Copyright 2011 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.
#ifndef V8_EXTENSIONS_EXPERIMENTAL_NUMBER_FORMAT_H_
#define V8_EXTENSIONS_EXPERIMENTAL_NUMBER_FORMAT_H_
#include "include/v8.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class DecimalFormat;
}
namespace v8 {
namespace internal {
class NumberFormat {
public:
// 3-letter ISO 4217 currency code plus \0.
static const int kCurrencyCodeLength;
static v8::Handle<v8::Value> JSNumberFormat(const v8::Arguments& 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::Persistent<v8::Value> object,
void* param);
// Formats number and returns corresponding string.
static v8::Handle<v8::Value> Format(const v8::Arguments& args);
private:
NumberFormat();
static v8::Persistent<v8::FunctionTemplate> number_format_template_;
};
} } // namespace v8::internal
#endif // V8_EXTENSIONS_EXPERIMENTAL_NUMBER_FORMAT_H_
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