Class: SqlPostgres::PgPolygon

Inherits:
PgType
  • Object
show all
Defined in:
lib/sqlpostgres/PgPolygon.rb

Overview

This class holds the value of a “point” column.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from PgType

#eql?, #hash, #to_sql

Constructor Details

#initialize(*points) ⇒ PgPolygon

Returns a new instance of PgPolygon.



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# File 'lib/sqlpostgres/PgPolygon.rb', line 28

def initialize(*points)
  @points = points
end

Instance Attribute Details

#points ⇒ Object (readonly)

Returns the value of attribute points.



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# File 'lib/sqlpostgres/PgPolygon.rb', line 9

def points
  @points
end

Class Method Details

.from_sql(s) ⇒ Object

Create a PgPolygon from a string in Postgres format



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# File 'lib/sqlpostgres/PgPolygon.rb', line 15

def from_sql(s)
  if s =~ /^(\()\(.*\)(,\(.*\))?\)$/
    points = s.scan(/\([^(]*?\)/).collect do |t|
      PgPoint.from_sql(t)
    end
    PgPolygon.new(*points)
  else
    raise ArgumentError, "Invalid polygon: #{s.inspect}"
  end
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/sqlpostgres/PgPolygon.rb', line 32

def to_s
  "(#{points.join(", ")})"
end