Class: PRRD::Graph::Print

Inherits:
Entity
  • Object
show all
Defined in:
lib/prrd/graph/print.rb

Overview

PRRD Graph Line class

Instance Attribute Summary

Attributes inherited from Entity

#data, #keys

Instance Method Summary collapse

Methods inherited from Entity

#method_missing, #validate_presence

Constructor Details

#initialize(values = nil) ⇒ Print

Constructor



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# File 'lib/prrd/graph/print.rb', line 11

def initialize(values = nil)
  @keys = [
    :gprint,
    :vname,
    :cf,
    :format,
    :strftime
  ]

  super values
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class PRRD::Entity

Instance Method Details

#to_s ⇒ Object

Transform to a PRINT formatted string



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# File 'lib/prrd/graph/print.rb', line 24

def to_s
  fail 'Empty print object' if @data.empty?

  validate_presence :vname, :cf, :format

  @data[:grpint] ||= false

  chunks = []

  if @data.key?(:gprint) && @data[:gprint] == true
    chunks << 'GPRINT'
  else
    chunks << 'PRINT'
  end

  chunks << @data[:vname]
  chunks << @data[:cf]
  chunks << @data[:format]
  chunks << @data[:strftime] if @data.key?(:strftime)

  chunks.join ':'
end