SmartIterator.cpp

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/*
 * This file is a part of the Biology project by eons LLC.
 * Biology (aka Develop Biology) is a framework for approaching software
 * development from a natural sciences perspective.
 *
 * Copyright (C) 2022 Séon O'Shannon & eons LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "bio/common/container/SmartIterator.h"
#include "bio/common/container/Iterator.h"
#include "bio/common/container/Container.h"
 
namespace bio {
 
SmartIterator::SmartIterator(const Container* container)
    :
    m_implementation(container->ConstructClassIterator(container->GetEndIndex()))
{
 
}
 
SmartIterator::SmartIterator(
    const Container* container,
    Index index
)
    :
    m_implementation(container->ConstructClassIterator(index))
{
 
}
 
SmartIterator::~SmartIterator()
{
    delete m_implementation;
}
 
Iterator* SmartIterator::GetImplementation()
{
    return m_implementation;
}
 
const Iterator* SmartIterator::GetImplementation() const
{
    return m_implementation;
}
 
Index SmartIterator::GetIndex() const
{
    return m_implementation->GetIndex();
}
 
bool SmartIterator::MoveTo(Index index) const
{
    return m_implementation->MoveTo(index);
}
 
bool SmartIterator::IsAtBeginning() const
{
    return m_implementation->IsAtBeginning();
}
 
bool SmartIterator::IsAtEnd() const
{
    return m_implementation->IsAtEnd();
}
 
ByteStream SmartIterator::operator*()
{
    return **m_implementation;
}
 
const ByteStream SmartIterator::operator*() const
{
    return **m_implementation;
}
 
SmartIterator& SmartIterator::operator++() const
{
    m_implementation->Increment();
    return *const_cast< SmartIterator* >(this);
}
 
SmartIterator SmartIterator::operator++(int) const
{
    SmartIterator ret = *this;
    m_implementation->Increment();
    return ret;
}
 
SmartIterator& SmartIterator::operator--() const
{
    m_implementation->Decrement();
    return *const_cast< SmartIterator* >(this);
}
 
SmartIterator SmartIterator::operator--(int) const
{
    SmartIterator ret = *this;
    m_implementation->Decrement();
    return ret;
}
 
} //bio namespace