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+// 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;
+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_