GeoLib::Polyline::SegmentIterator Class Reference

Detailed Description

Definition at line 31 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 36 of file Polyline.h.

iterator_category

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

Definition at line 34 of file Polyline.h.

pointer

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

Definition at line 37 of file Polyline.h.

reference

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

Definition at line 38 of file Polyline.h.

value_type

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

Definition at line 35 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 350 of file Polyline.cpp.

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

References GeoLib::Polyline::Polyline(), _polyline, and _segment_number.

Referenced by SegmentIterator(), ~SegmentIterator(), operator!=(), operator+(), operator=(), and operator==().

SegmentIterator() [2/3]

GeoLib::Polyline::SegmentIterator::SegmentIterator

(

SegmentIterator const &

src

)

Definition at line 358 of file Polyline.cpp.

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

References SegmentIterator(), _polyline, and _segment_number.

SegmentIterator() [3/3]

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

delete

~SegmentIterator()

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

default

References SegmentIterator().

Member Function Documentation

getSegmentNumber()

std::size_t GeoLib::Polyline::SegmentIterator::getSegmentNumber

(

)

const

Definition at line 376 of file Polyline.cpp.

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

References _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 402 of file Polyline.cpp.

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

References SegmentIterator(), _polyline, and _segment_number.

operator*() [1/2]

LineSegment GeoLib::Polyline::SegmentIterator::operator*

(

)

Definition at line 392 of file Polyline.cpp.

{
    return _polyline->getSegment(_segment_number);
}

References _polyline, and _segment_number.

operator*() [2/2]

LineSegment GeoLib::Polyline::SegmentIterator::operator*

(

)

const

Definition at line 387 of file Polyline.cpp.

{
    return _polyline->getSegment(_segment_number);
}

References _polyline, and _segment_number.

operator+()

Polyline::SegmentIterator GeoLib::Polyline::SegmentIterator::operator+

(

std::vector< GeoLib::Point >::difference_type

n

)

Definition at line 428 of file Polyline.cpp.

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

References SegmentIterator().

operator++()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator++

(

)

Definition at line 381 of file Polyline.cpp.

{
    ++_segment_number;
    return *this;
}

References _segment_number.

operator+=()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator+=

(

std::vector< GeoLib::Point >::difference_type

n

)

Definition at line 408 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 _polyline, _segment_number, and OGS_FATAL.

operator-()

Polyline::SegmentIterator GeoLib::Polyline::SegmentIterator::operator-

(

std::vector< GeoLib::Point >::difference_type

n

)

Definition at line 456 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 436 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 _polyline, _segment_number, and OGS_FATAL.

operator=()

Polyline::SegmentIterator & GeoLib::Polyline::SegmentIterator::operator=

(

SegmentIterator const &

rhs

)

Definition at line 363 of file Polyline.cpp.

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

References SegmentIterator(), _polyline, and _segment_number.

operator==()

bool GeoLib::Polyline::SegmentIterator::operator==

(

SegmentIterator const &

other

)

const

Definition at line 397 of file Polyline.cpp.

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

References SegmentIterator().

Member Data Documentation

_polyline

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

private

Definition at line 75 of file Polyline.h.

Referenced by SegmentIterator(), SegmentIterator(), operator!=(), operator*(), operator*(), operator+=(), operator-=(), and operator=().

_segment_number

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

private

Definition at line 76 of file Polyline.h.

Referenced by SegmentIterator(), SegmentIterator(), getSegmentNumber(), operator!=(), operator*(), operator*(), operator++(), operator+=(), operator-=(), and operator=().

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The documentation for this class was generated from the following files:

• Polyline.h
• Polyline.cpp