+++ /dev/null
-// 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 "break-iterator.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;
-}
-
-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);
-
- // 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();
- }
-
- v8::Local<v8::String> text_value = args[0]->ToString();
- const UChar* text =
- reinterpret_cast<const UChar*>(*v8::String::Value(text_value));
- UnicodeString text(text, text_value->Length());
-
- break_iterator->setText(text);
-
- 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.
- int32_t status =
- static_cast<RuleBasedBreakIterator*>(break_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.")));
- }
-
- const char* locale = *v8::String::Utf8Value(args[0]->ToString());
- icu::Locale icu_locale(locale);
-
- UErrorCode status = U_ZERO_ERROR;
- icu::BreakIterator* break_iterator = NULL;
- const char* type = *v8::String::Utf8Value(args[1]->ToString());
- 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();
- 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("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 object handle weak so we can delete iterator once GC kicks in.
- wrapper.MakeWeak(NULL, DeleteBreakIterator);
-
- return wrapper;
-}
-
-} } // namespace v8::internal
+++ /dev/null
-// 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 <v8.h>
-
-#include "unicode/uversion.h"
-
-namespace U_ICU_NAMESPACE {
-class BreakIterator;
-}
-
-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);
-
- // 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_
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