vctFixedSizeVectorRef.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-    */
/* ex: set filetype=cpp softtabstop=4 shiftwidth=4 tabstop=4 cindent expandtab: */

/*
  Author(s):  Ofri Sadowsky, Anton Deguet
  Created on: 2003-09-30

  (C) Copyright 2003-2015 Johns Hopkins University (JHU), All Rights Reserved.

--- begin cisst license - do not edit ---

This software is provided "as is" under an open source license, with
no warranty.  The complete license can be found in license.txt and
http://www.cisst.org/cisst/license.txt.

--- end cisst license ---
*/

#pragma once
#ifndef _vctFixedSizeVectorRef_h
#define _vctFixedSizeVectorRef_h

#include <cisstVector/vctFixedSizeConstVectorRef.h>


template <class _elementType, vct::size_type _size, vct::stride_type _stride>
class vctFixedSizeVectorRef : public vctFixedSizeVectorBase<
    _size, _stride, _elementType,
    typename vctFixedSizeVectorTraits<_elementType, _size, _stride>::pointer >
{
 public:
    VCT_CONTAINER_TRAITS_TYPEDEFS(_elementType);
    typedef vctFixedSizeVectorTraits<_elementType, _size, _stride> VectorTraits;
    typedef vctFixedSizeVectorRef<value_type, _size, _stride> ThisType;
    typedef vctFixedSizeVectorBase<_size, _stride, value_type, pointer> BaseType;
    typedef typename BaseType::CopyType CopyType;


    vctFixedSizeVectorRef() {}


    vctFixedSizeVectorRef(pointer p) {
        SetRef(p);
    }

    vctFixedSizeVectorRef(const ThisType & other) {
        SetRef(other);
    }

    template <size_type __size, class __dataPtrType>
    explicit vctFixedSizeVectorRef(vctFixedSizeVectorBase<__size, _stride, _elementType, __dataPtrType> & otherVector,
                                   size_type startPosition = 0)
    {
        SetRef(otherVector, startPosition);
    }

    template<class __vectorOwnerType>
    explicit vctFixedSizeVectorRef(vctDynamicVectorBase<__vectorOwnerType, _elementType> & otherVector,
                                   size_type startPosition = 0)
    {
        SetRef(otherVector, startPosition);
    }


    void SetRef(pointer p) {
        this->Data = p;
    }

    void SetRef(const ThisType & other) {
        this->SetRef(other.Data);
    }

    template <size_type __size, class __dataPtrType>
    void SetRef(vctFixedSizeVectorBase<__size, _stride, _elementType, __dataPtrType> & otherVector,
                size_type startPosition = 0)
    {
        if (startPosition + this->size() > otherVector.size()) {
            cmnThrow(std::out_of_range("vctFixedSizeVectorRef SetRef out of range"));
        }
        SetRef(otherVector.Pointer(startPosition));
    }

    template<class __vectorOwnerType>
    void SetRef(vctDynamicVectorBase<__vectorOwnerType, _elementType> & otherVector,
                size_type startPosition = 0)
    {
        if (this->stride() != otherVector.stride()) {
            cmnThrow(std::runtime_error("vctFixedSizeVectorRef SetRef with incompatible stride"));
        }
        if (startPosition + this->size() > otherVector.size()) {
            cmnThrow(std::out_of_range("vctFixedSizeVectorRef SetRef out of range"));
        }
        SetRef(otherVector.Pointer(startPosition));
    }


    inline ThisType & operator = (const ThisType & other) {
        return reinterpret_cast<ThisType &>(this->Assign(other));
    }

    template <stride_type __stride>
    inline ThisType & operator = (const vctFixedSizeConstVectorRef<value_type, _size, __stride> & other) {
        return reinterpret_cast<ThisType &>(this->Assign(other));
    }

    template <stride_type __stride, class __elementType, class __dataPtrType>
    inline ThisType & operator = (const vctFixedSizeConstVectorBase<_size, __stride, __elementType, __dataPtrType> & other) {
        return reinterpret_cast<ThisType &>(this->Assign(other));
    }

    template <class __vectorOwnerType>
    inline ThisType & operator = (const vctDynamicConstVectorBase<__vectorOwnerType, _elementType> & other) {
        return reinterpret_cast<ThisType &>(this->Assign(other));
    }

    inline ThisType & operator = (const value_type & value) {
        this->SetAll(value);
        return *this;
    }
};

#endif  // _vctFixedSizeVectorRef_h