Source

Coin / include / Inventor / tools / SbLazyPimplPtr.hpp

Lars J. Aas 9e167d8 



Marius Kintel 3ba6b41 




























Lars J. Aas 9e167d8 














































Lars J. Aas a2cd1b0 
Lars J. Aas 9e167d8 



















Lars J. Aas 7ac4b60 
Lars J. Aas 9e167d8 





Lars J. Aas 7ac4b60 
Lars J. Aas 9e167d8 




















#ifndef COIN_SBLAZYPIMPLPTR_HPP
#define COIN_SBLAZYPIMPLPTR_HPP

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * 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 the copyright holder 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
 * HOLDER 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 COIN_SBLAZYPIMPLPTR_H
#error do not include Inventor/tools/SbLazyPimplPtr.hpp directly, use Inventor/tools/SbLazyPimplPtr.h
#endif // !COIN_SBLAZYPIMPLPTR_H

/* ********************************************************************** */

template <typename T>
SbLazyPimplPtr<T>::SbLazyPimplPtr(void)
: ptr(NULL)
{
}

template <typename T>
SbLazyPimplPtr<T>::SbLazyPimplPtr(T * initial)
{
  this->ptr = initial;
}

template <typename T>
SbLazyPimplPtr<T>::SbLazyPimplPtr(const SbLazyPimplPtr<T> & copy)
{
  *this = copy;
}

template <typename T>
SbLazyPimplPtr<T>::~SbLazyPimplPtr(void)
{
  this->set(NULL);
}

template <typename T>
void
SbLazyPimplPtr<T>::set(T * value)
{
  if (this->ptr) {
    delete this->ptr;
  }
  this->ptr = value;
}

template <typename T>
T &
SbLazyPimplPtr<T>::get(void) const
{
  if (this->ptr == NULL) {
    this->ptr = this->getNew();
  }
  return *(this->ptr);
}

template <typename T>
T *
SbLazyPimplPtr<T>::getNew(void) const
{
  return new T;
}

template <typename T>
SbLazyPimplPtr<T> &
SbLazyPimplPtr<T>::operator = (const SbLazyPimplPtr<T> & copy)
{
  this->get() = copy.get();
  return *this;
}

template <typename T>
SbBool
SbLazyPimplPtr<T>::operator == (const SbLazyPimplPtr<T> & rhs) const
{
  return this->get() == rhs.get();
}

template <typename T>
SbBool
SbLazyPimplPtr<T>::operator != (const SbLazyPimplPtr<T> & rhs) const
{
  return !(*this == rhs);
}

template <typename T>
const T *
SbLazyPimplPtr<T>::operator -> (void) const
{
  return &(this->get());
}

template <typename T>
T *
SbLazyPimplPtr<T>::operator -> (void)
{
  return &(this->get());
}

/* ********************************************************************** */

#endif // !COIN_SBPIMPLPTR_HPP