Detailed Description

Definition at line 42 of file Polyline.h.

#include <Polyline.h>

Collaboration diagram for GeoLib::Polyline::SegmentIterator:

Public Types
using	iterator_category = std::forward_iterator_tag

using	value_type = LineSegment

using	difference_type = std::ptrdiff_t

using	pointer = LineSegment*

using	reference = LineSegment&

Public Member Functions
	SegmentIterator (Polyline const &polyline, std::size_t segment_number)

	SegmentIterator (SegmentIterator const &src)

	SegmentIterator ()=delete

	~SegmentIterator ()=default

SegmentIterator &	operator= (SegmentIterator const &rhs)

std::size_t	getSegmentNumber () const

SegmentIterator &	operator++ ()

LineSegment	operator* () const

LineSegment	operator* ()

bool	operator== (SegmentIterator const &other) const

bool	operator!= (SegmentIterator const &other) const

SegmentIterator &	operator+= (std::vector< GeoLib::Point >::difference_type n)

SegmentIterator	operator+ (std::vector< GeoLib::Point >::difference_type n)

SegmentIterator &	operator-= (std::vector< GeoLib::Point >::difference_type n)

SegmentIterator	operator- (std::vector< GeoLib::Point >::difference_type n)

Private Attributes
GeoLib::Polyline const *	_polyline

std::vector< GeoLib::Point * >::size_type	_segment_number

Member Typedef Documentation

◆ difference_type

using GeoLib::Polyline::SegmentIterator::difference_type = std::ptrdiff_t

Definition at line 47 of file Polyline.h.

◆ iterator_category

using GeoLib::Polyline::SegmentIterator::iterator_category = std::forward_iterator_tag

Definition at line 45 of file Polyline.h.

◆ pointer

using GeoLib::Polyline::SegmentIterator::pointer = LineSegment*

Definition at line 48 of file Polyline.h.

◆ reference

using GeoLib::Polyline::SegmentIterator::reference = LineSegment&

Definition at line 49 of file Polyline.h.

◆ value_type

using GeoLib::Polyline::SegmentIterator::value_type = LineSegment

Definition at line 46 of file Polyline.h.

Constructor & Destructor Documentation

◆ SegmentIterator() [1/3]

GeoLib::Polyline::SegmentIterator::SegmentIterator	(	Polyline const &	polyline,
		std::size_t	segment_number )

explicit

Definition at line 361 of file Polyline.cpp.

    : _polyline(&polyline),
      _segment_number(
          static_cast<std::vector<GeoLib::Point*>::size_type>(segment_number))
{
}

◆ SegmentIterator() [2/3]

GeoLib::Polyline::SegmentIterator::SegmentIterator ( SegmentIterator const & src )

Definition at line 369 of file Polyline.cpp.

    : _polyline(src._polyline), _segment_number(src._segment_number)
{
}

◆ SegmentIterator() [3/3]

GeoLib::Polyline::SegmentIterator::SegmentIterator ( )

delete

◆ ~SegmentIterator()

GeoLib::Polyline::SegmentIterator::~SegmentIterator ( )

default

Member Function Documentation

◆ getSegmentNumber()

std::size_t GeoLib::Polyline::SegmentIterator::getSegmentNumber ( ) const

Definition at line 387 of file Polyline.cpp.

{
    return static_cast<std::size_t>(_segment_number);
}

Referenced by FileIO::GMSH::GMSHPolygonTree::checkIntersectionsSegmentExistingPolylines(), MeshGeoToolsLib::insertSubSegments(), GeoLib::lineSegmentsIntersect(), and GeoLib::Polygon::splitPolygonAtIntersection().

◆ operator!=()

bool GeoLib::Polyline::SegmentIterator::operator!= ( SegmentIterator const & other ) const

Definition at line 413 of file Polyline.cpp.

{
    return other._segment_number != _segment_number ||
           other._polyline != _polyline;
}

References _polyline, and _segment_number.

◆ operator*() [1/2]

LineSegment GeoLib::Polyline::SegmentIterator::operator* ( )

Definition at line 403 of file Polyline.cpp.

{
    return _polyline->getSegment(_segment_number);
}

◆ operator*() [2/2]

LineSegment GeoLib::Polyline::SegmentIterator::operator* ( ) const

Definition at line 398 of file Polyline.cpp.

{
    return _polyline->getSegment(_segment_number);
}

◆ operator+()

Polyline::SegmentIterator GeoLib::Polyline::SegmentIterator::operator+ ( std::vector< GeoLib::Point >::difference_type n )

Definition at line 439 of file Polyline.cpp.

{
    SegmentIterator t(*this);
    t += n;
    return t;
}

◆ operator++()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator++ ( )

Definition at line 392 of file Polyline.cpp.

{
    ++_segment_number;
    return *this;
}

◆ operator+=()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator+= ( std::vector< GeoLib::Point >::difference_type n )

Definition at line 419 of file Polyline.cpp.

{
    if (n < 0)
    {
        _segment_number -=
            static_cast<std::vector<GeoLib::Point>::size_type>(-n);
    }
    else
    {
        _segment_number +=
            static_cast<std::vector<GeoLib::Point>::size_type>(n);
    }
    if (_segment_number > _polyline->getNumberOfSegments())
    {
        OGS_FATAL("");
    }
    return *this;
}

References OGS_FATAL.

◆ operator-()

Polyline::SegmentIterator GeoLib::Polyline::SegmentIterator::operator- ( std::vector< GeoLib::Point >::difference_type n )

Definition at line 467 of file Polyline.cpp.

{
    Polyline::SegmentIterator t(*this);
    t -= n;
    return t;
}

◆ operator-=()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator-= ( std::vector< GeoLib::Point >::difference_type n )

Definition at line 447 of file Polyline.cpp.

{
    if (n >= 0)
    {
        _segment_number -=
            static_cast<std::vector<GeoLib::Point>::size_type>(n);
    }
    else
    {
        _segment_number +=
            static_cast<std::vector<GeoLib::Point>::size_type>(-n);
    }
    if (_segment_number > _polyline->getNumberOfSegments())
    {
        OGS_FATAL("");
    }
    return *this;
}

References OGS_FATAL.

◆ operator=()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator= ( SegmentIterator const & rhs )

Definition at line 374 of file Polyline.cpp.

{
    if (&rhs == this)
    {
        return *this;
    }
 
    _polyline = rhs._polyline;
    _segment_number = rhs._segment_number;
    return *this;
}

References _polyline, and _segment_number.

◆ operator==()

bool GeoLib::Polyline::SegmentIterator::operator== ( SegmentIterator const & other ) const

Definition at line 408 of file Polyline.cpp.

{
    return !(*this != other);
}

Member Data Documentation

◆ _polyline

GeoLib::Polyline const* GeoLib::Polyline::SegmentIterator::_polyline

private

Definition at line 86 of file Polyline.h.

Referenced by operator!=(), and operator=().

◆ _segment_number

std::vector<GeoLib::Point*>::size_type GeoLib::Polyline::SegmentIterator::_segment_number