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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkVectorContainer_hxx
#define itkVectorContainer_hxx
#include "itkNumericTraits.h"
namespace itk
{
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::ElementAt(ElementIdentifier id) -> reference
{
this->Modified();
return this->VectorType::operator[](id);
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::ElementAt(ElementIdentifier id) const -> const_reference
{
return this->VectorType::operator[](id);
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::CreateElementAt(ElementIdentifier id) -> reference
{
if (id >= static_cast<ElementIdentifier>(this->VectorType::size()))
{
this->CreateIndex(id);
}
this->Modified();
return this->VectorType::operator[](id);
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::GetElement(ElementIdentifier id) const -> Element
{
return this->VectorType::operator[](id);
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::SetElement(ElementIdentifier id, Element element)
{
this->VectorType::operator[](id) = element;
this->Modified();
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::InsertElement(ElementIdentifier id, Element element)
{
if (id >= static_cast<ElementIdentifier>(this->VectorType::size()))
{
this->CreateIndex(id);
}
this->VectorType::operator[](id) = element;
this->Modified();
}
template <typename TElementIdentifier, typename TElement>
bool
VectorContainer<TElementIdentifier, TElement>::IndexExists(ElementIdentifier identifier) const
{
return (NumericTraits<ElementIdentifier>::IsNonnegative(identifier) &&
(identifier < static_cast<ElementIdentifier>(this->VectorType::size())));
}
template <typename TElementIdentifier, typename TElement>
bool
VectorContainer<TElementIdentifier, TElement>::GetElementIfIndexExists(ElementIdentifier identifier,
Element * element) const
{
if (NumericTraits<ElementIdentifier>::IsNonnegative(identifier) &&
(identifier < static_cast<ElementIdentifier>(this->VectorType::size())))
{
if (element)
{
*element = this->VectorType::operator[](identifier);
}
return true;
}
return false;
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::CreateIndex(ElementIdentifier id)
{
if (id >= static_cast<ElementIdentifier>(this->VectorType::size()))
{
// The vector must be expanded to fit the new id.
this->VectorType::resize(id + 1);
this->Modified();
}
else if (id > 0)
{
// No expansion was necessary. Just overwrite the index's entry with the default element.
this->VectorType::operator[](id) = Element();
this->Modified();
}
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::DeleteIndex(ElementIdentifier id)
{
this->VectorType::operator[](id) = Element();
this->Modified();
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::Begin() const -> ConstIterator
{
return ConstIterator(0, this->VectorType::begin());
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::End() const -> ConstIterator
{
return ConstIterator(this->VectorType::size() - 1, this->VectorType::end());
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::Begin() -> Iterator
{
return Iterator(0, this->VectorType::begin());
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::End() -> Iterator
{
return Iterator(this->VectorType::size() - 1, this->VectorType::end());
}
template <typename TElementIdentifier, typename TElement>
auto
VectorContainer<TElementIdentifier, TElement>::Size() const -> ElementIdentifier
{
return static_cast<ElementIdentifier>(this->VectorType::size());
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::Initialize()
{
this->VectorType::clear();
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::Reserve(ElementIdentifier sz)
{
this->CreateIndex(sz - 1);
}
template <typename TElementIdentifier, typename TElement>
void
VectorContainer<TElementIdentifier, TElement>::Squeeze()
{}
} // end namespace itk
#endif
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