Removing experimental i18n code from v8 repository. Internationalization support is hosted under ...

src/extensions/experimental/break-iterator.cc

Index: src/extensions/experimental/break-iterator.cc
===================================================================
--- src/extensions/experimental/break-iterator.cc	(revision 10296)
+++ src/extensions/experimental/break-iterator.cc	(working copy)
@@ -1,252 +0,0 @@
-// 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