Module: Plotrb::Kernel

Included in:
Object, Visualization
Defined in:
lib/plotrb/kernel.rb

Overview

Kernel module includes most of the shortcuts used in Plotrb

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/plotrb/kernel.rb', line 82

def method_missing(method, *args, &block)
  case method.to_s
    when /^(\w)_axis$/
      # Initialize ::Plotrb::Axis objects
      if ::Plotrb::Axis::TYPES.include?($1.to_sym)
        cache_method($1, 'axis')
        self.send(method)
      else
        super
      end
    when /^(\w+)_scale$/
      # Initialize ::Plotrb::Scale objects
      if ::Plotrb::Scale::TYPES.include?($1.to_sym)
        cache_method($1, 'scale')
        self.send(method)
      else
        super
      end
    when /^(\w+)_transform$/
      # Initialize ::Plotrb::Transform objects
      if ::Plotrb::Transform::TYPES.include?($1.to_sym)
        cache_method($1, 'transform')
        self.send(method)
      else
        super
      end
    when /^(\w+)_mark$/
      # Initialize ::Plotrb::Mark objects
      if ::Plotrb::Mark::TYPES.include?($1.to_sym)
        cache_method($1, 'mark')
        self.send(method)
      else
        super
      end
    else
      super
  end
end

Class Method Details

.axes ⇒ Object

a global space keeping track of all Axis objects defined



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# File 'lib/plotrb/kernel.rb', line 22

def self.axes
  @axes ||= []
end

.data ⇒ Object

a global space keeping track of all Data objects defined



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# File 'lib/plotrb/kernel.rb', line 7

def self.data
  @data ||= []
end

.duplicate_data?(name) ⇒ Boolean

Returns if a Data object with same name already exists.

Returns:

  • (Boolean) —

    if a Data object with same name already exists



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# File 'lib/plotrb/kernel.rb', line 17

def self.duplicate_data?(name)
  @data.select { |d| d.name == name.to_s }.size > 1
end

.duplicate_mark?(name) ⇒ Boolean

Returns if a Mark object with same name already exists.

Returns:

  • (Boolean) —

    if a Mark object with same name already exists



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# File 'lib/plotrb/kernel.rb', line 52

def self.duplicate_mark?(name)
  @marks.select { |m| m.name == name.to_s }.size > 1
end

.duplicate_scale?(name) ⇒ Boolean

Returns if a Scale object with same name already exists.

Returns:

  • (Boolean) —

    if a Scale object with same name already exists



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# File 'lib/plotrb/kernel.rb', line 37

def self.duplicate_scale?(name)
  @scales.select { |s| s.name == name.to_s }.size > 1
end

.find_data(name) ⇒ Data

Returns find Data object by name.

Returns:

  • (Data) —

    find Data object by name



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# File 'lib/plotrb/kernel.rb', line 12

def self.find_data(name)
  @data.find { |d| d.name == name.to_s }
end

.find_mark(name) ⇒ Mark

Returns find Mark object by name.

Returns:

  • (Mark) —

    find Mark object by name



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# File 'lib/plotrb/kernel.rb', line 47

def self.find_mark(name)
  @marks.find { |m| m.name == name.to_s }
end

.find_scale(name) ⇒ Scale

Returns find Scale object by name.

Returns:

  • (Scale) —

    find Scale object by name



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# File 'lib/plotrb/kernel.rb', line 32

def self.find_scale(name)
  @scales.find { |s| s.name == name.to_s }
end

.legends ⇒ Object

a global space keeping track of all Transform objects defined



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# File 'lib/plotrb/kernel.rb', line 62

def self.legends
  @legends ||= []
end

.marks ⇒ Object

a global space keeping track of all Mark objects defined



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# File 'lib/plotrb/kernel.rb', line 42

def self.marks
  @marks ||= []
end

.scales ⇒ Object

a global space keeping track of all Scale objects defined



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# File 'lib/plotrb/kernel.rb', line 27

def self.scales
  @scales ||= []
end

.transforms ⇒ Object

a global space keeping track of all Transform objects defined



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# File 'lib/plotrb/kernel.rb', line 57

def self.transforms
  @transforms ||= []
end

Instance Method Details

#legend(&block) ⇒ Object 



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# File 'lib/plotrb/kernel.rb', line 78

def legend(&block)
	  ::Plotrb::Legend.new(&block)
end

#pdata(&block) ⇒ Object

Initialize ::Plotrb::Data objects



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# File 'lib/plotrb/kernel.rb', line 74

def pdata(&block)
  ::Plotrb::Data.new(&block)
end

#visualization(&block) ⇒ Object

Initialize ::Plotrb::Visualization object



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# File 'lib/plotrb/kernel.rb', line 68

def visualization(&block)
  ::Plotrb::Visualization.new(&block)
end