/*
   * Copyright (C) 2008 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. 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.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 OpaqueTiString_h
  define OpaqueTiString_h
  
  include <runtime/UString.h>
  
  namespace TI {
      class Identifier;
      class TiGlobalData;
  }
  
  struct OpaqueTiString : public ThreadSafeShared<OpaqueTiString> {
  
      static PassRefPtr<OpaqueTiString> create() // null
      {
          return adoptRef(new OpaqueTiString);
      }
  
      static PassRefPtr<OpaqueTiString> create(const UChar* characters, unsigned length)
      {
          return adoptRef(new OpaqueTiString(characters, length));
      }
  
      static PassRefPtr<OpaqueTiString> create(const TI::UString&);
  
      UChar* characters() { return this ? m_characters : 0; }
      unsigned length() { return this ? m_length : 0; }
  
      TI::UString ustring() const;
      TI::Identifier identifier(TI::TiGlobalData*) const;
  
  private:
      friend class WTI::ThreadSafeShared;
  
      OpaqueTiString()
          : m_characters(0)
          , m_length(0)
      {
      }
  
      OpaqueTiString(const UChar* characters, unsigned length)
          : m_length(length)
      {
          m_characters = new UChar[length];
          memcpy(m_characters, characters, length * sizeof(UChar));
      }
  
      ~OpaqueTiString()
      {
          delete[] m_characters;
      }
  
      UChar* m_characters;
      unsigned m_length;
  };
  
  endif