// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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.

// The ArenaString implementation is not included in the open-source release. Do
// not include this file in the distribution.

#include <google/protobuf/arenastring.h>

namespace google {
namespace protobuf {
namespace internal {


void ArenaStringPtr::AssignWithDefault(const ::std::string* default_value,
                                       ArenaStringPtr value) {
  const ::std::string* me = *UnsafeRawStringPointer();
  const ::std::string* other = *value.UnsafeRawStringPointer();
  // If the pointers are the same then do nothing.
  if (me != other) {
    SetNoArena(default_value, value.GetNoArena(default_value));
  }
}

::std::string* ArenaStringPtr::MutableNoArena(
     const ::std::string* default_value) {
  if (ptr_ == default_value) {
    CreateInstanceNoArena(default_value);
  }
  return ptr_;
}


void ArenaStringPtr::DestroyNoArena(const ::std::string* default_value) {
  if (ptr_ != default_value) {
    delete ptr_;
  }
  ptr_ = NULL;
}


}  // namespace internal
}  // namespace protobuf
}  // namespace google
