Definition

A model for the ArrangementInputFormatter concept supports a set of functions that enable reading an arrangement from an input stream using a specific format.

Has Models:

CGAL::Arr_text_formatter<Arrangement>

CGAL::Arr_face_extended_text_formatter<Arrangement>

CGAL::Arr_extended_dcel_text_formatter<Arrangement>

Types
typedef unspecified_type	Arrangement_2
	the type of arrangement to input. More...

typedef Arrangement_2::Point_2	Point_2
	the point type. More...

typedef Arrangement_2::X_monotone_curve_2	X_monotone_curve_2
	the \( x\)-monotone curve type. More...

typedef Arrangement_2::Size	Size

typedef Arrangement_2::Vertex_handle	Vertex_handle

typedef Arrangement_2::Halfedge_handle	Halfedge_handle

typedef Arrangement_2::Face_handle	Face_handle

Creation
	Arr_in_formatter ()
	default constructor.

	Arr_in_formatter (std::istream &is)
	constructs a formatter that reads from `is`.

void	set_in (std::istream &is)
	directs `inf` to read from `is`.

Access Functions
std::istream &	in ()
	returns the stream that `inf` reads from. More...

Formatted Input Functions
void	read_arrangement_begin ()
	reads a message indicating the beginning of the arrangement. More...

void	read_arrangement_end ()
	reads a message indicating the end of the arrangement. More...

Size	read_size (const char *label=nullptr)
	reads a size value, which is supposed to be preceded by the given label. More...

void	read_vertices_begin ()
	reads a message indicating the beginning of the vertex records. More...

void	read_vertices_end ()
	reads a message indicating the end of the vertex records. More...

void	read_edges_begin ()
	reads a message indicating the beginning of the edge records. More...

void	read_edges_end ()
	reads a message indicating the end of the edge records. More...

void	read_faces_begin ()
	reads a message indicating the beginning of the face records. More...

void	read_faces_end ()
	reads a message indicating the end of the face records. More...

void	read_vertex_begin ()
	reads a message indicating the beginning of a single vertex record. More...

void	read_vertex_end ()
	reads a message indicating the end of a single vertex record. More...

std::size_t	read_vertex_index ()
	reads and returns a vertex index. More...

void	read_point (Point_2 &p)
	reads a point. More...

void	read_vertex_data (Vertex_handle v)
	reads an auxiliary vertex-data object and associates it with the vertex `v`.

void	read_edge_begin ()
	reads a message indicating the beginning of a single edge record. More...

void	read_edge_end ()
	reads a message indicating the end of a single edge record. More...

std::size_t	read_halfedge_index ()
	reads and returns halfedge index. More...

void	read_x_monotone_curve (X_monotone_curve_2 &c)
	reads an \( x\)-monotone curve. More...

void	read_halfedge_data (Halfedge_handle he)
	reads an auxiliary halfedge-data object and associates it with the halfedge `he`.

void	read_face_begin ()
	reads a message indicating the beginning of a single face record. More...

void	read_face_end ()
	reads a message indicating the end of a single face record. More...

void	read_outer_ccbs_begin ()
	reads a message indicating the beginning of the container of outer CCBs of the current face.

void	read_outer_ccbs_end ()
	reads a message indicating the end of of the container of outer CCBs of the current face.

void	read_inner_ccbs_begin ()
	reads a message indicating the beginning of the container of inner CCBs of the current face.

void	read_inner_ccbs_end ()
	reads a message indicating the end of of the container of inner CCBs of the current face.

void	read_outer_ccb_begin ()
	reads a message indicating the beginning of the container of outer CCBs of the current face.

void	read_outer_ccb_end ()
	reads a message indicating the end of the outer CCB of the current face. More...

void	read_holes_begin ()
	reads a message indicating the beginning of the container of holes inside the current face.

void	read_holes_end ()
	reads a message indicating the end of the container of holes inside the current face.

void	read_ccb_halfedges_begin ()
	reads a message indicating the beginning a connected component boundary. More...

void	read_ccb_halfedges_end ()
	reads a message indicating the end of a connected component boundary.

void	read_isolated_vertices_begin ()
	reads a message indicating the beginning of the container of isolated vertices inside the current face.

void	read_isolated_vertices_end ()
	reads a message indicating the end of the container of isolated vertices inside the current face.

void	read_face_data (Face_handle f)
	reads an auxiliary face-data object and associates it with the face `f`. More...

Member Typedef Documentation

◆ Arrangement_2

typedef unspecified_type ArrangementInputFormatter::Arrangement_2

the type of arrangement to input.

◆ Point_2

typedef Arrangement_2::Point_2 ArrangementInputFormatter::Point_2

the point type.

◆ X_monotone_curve_2

typedef Arrangement_2::X_monotone_curve_2 ArrangementInputFormatter::X_monotone_curve_2

the \( x\)-monotone curve type.

Member Function Documentation

◆ in()

std::istream& ArrangementInputFormatter::in ( )

returns the stream that inf reads from.

Precondition: inf is directed to a valid output stream.

◆ read_arrangement_begin()

void ArrangementInputFormatter::read_arrangement_begin ( )

reads a message indicating the beginning of the arrangement.

◆ read_arrangement_end()

void ArrangementInputFormatter::read_arrangement_end ( )

reads a message indicating the end of the arrangement.

◆ read_ccb_halfedges_begin()

void ArrangementInputFormatter::read_ccb_halfedges_begin ( )

reads a message indicating the beginning a connected component boundary.

◆ read_edge_begin()

void ArrangementInputFormatter::read_edge_begin ( )

reads a message indicating the beginning of a single edge record.

◆ read_edge_end()

void ArrangementInputFormatter::read_edge_end ( )

reads a message indicating the end of a single edge record.

◆ read_edges_begin()

void ArrangementInputFormatter::read_edges_begin ( )

reads a message indicating the beginning of the edge records.

◆ read_edges_end()

void ArrangementInputFormatter::read_edges_end ( )

reads a message indicating the end of the edge records.

◆ read_face_begin()

void ArrangementInputFormatter::read_face_begin ( )

reads a message indicating the beginning of a single face record.

◆ read_face_data()

void ArrangementInputFormatter::read_face_data ( Face_handle f )

reads an auxiliary face-data object and associates it with the face f.

◆ read_face_end()

void ArrangementInputFormatter::read_face_end ( )

reads a message indicating the end of a single face record.

◆ read_faces_begin()

void ArrangementInputFormatter::read_faces_begin ( )

reads a message indicating the beginning of the face records.

◆ read_faces_end()

void ArrangementInputFormatter::read_faces_end ( )

reads a message indicating the end of the face records.

◆ read_halfedge_index()

std::size_t ArrangementInputFormatter::read_halfedge_index ( )

reads and returns halfedge index.

◆ read_outer_ccb_end()

void ArrangementInputFormatter::read_outer_ccb_end ( )

reads a message indicating the end of the outer CCB of the current face.

◆ read_point()

void ArrangementInputFormatter::read_point ( Point_2 & p )

reads a point.

◆ read_size()

Size ArrangementInputFormatter::read_size ( const char * label = nullptr )

reads a size value, which is supposed to be preceded by the given label.

◆ read_vertex_begin()

void ArrangementInputFormatter::read_vertex_begin ( )

reads a message indicating the beginning of a single vertex record.

◆ read_vertex_end()

void ArrangementInputFormatter::read_vertex_end ( )

reads a message indicating the end of a single vertex record.

◆ read_vertex_index()

std::size_t ArrangementInputFormatter::read_vertex_index ( )

reads and returns a vertex index.

◆ read_vertices_begin()

void ArrangementInputFormatter::read_vertices_begin ( )

reads a message indicating the beginning of the vertex records.

◆ read_vertices_end()

void ArrangementInputFormatter::read_vertices_end ( )

reads a message indicating the end of the vertex records.

◆ read_x_monotone_curve()

void ArrangementInputFormatter::read_x_monotone_curve ( X_monotone_curve_2 & c )

reads an \( x\)-monotone curve.