Class: ArrayNode

Inherits:
Node
  • Object
show all
Defined in:
lib/nodes/basenodes.rb

Overview

Array / Data Structure Nodes

Instance Attribute Summary collapse

Attributes inherited from Node

#value

Instance Method Summary collapse

Constructor Details

#initialize(lhs, rhs) ⇒ ArrayNode

Returns a new instance of ArrayNode.



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# File 'lib/nodes/basenodes.rb', line 138

def initialize(lhs, rhs)
  @lhs, @rhs = lhs, rhs

  if @rhs == NilClass
    @value = [@lhs]
  else
    result = [@lhs]
    @rhs.each do |element|
      result << element
    end
    @value = result
  end
end

Instance Attribute Details

#lhs ⇒ Object

Returns the value of attribute lhs.



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# File 'lib/nodes/basenodes.rb', line 136

def lhs
  @lhs
end

#rhs ⇒ Object

Returns the value of attribute rhs.



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# File 'lib/nodes/basenodes.rb', line 136

def rhs
  @rhs
end

Instance Method Details

#+(value) ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 164

def +(value)
  @value.append(value)
end

#-(value) ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 168

def -(value)
  @value.reject { |v| v.evaluate == value }
end

#[](index) ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 172

def [](index)
  @value[index]
end

#[]=(index, value) ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 176

def []=(index, value)
  @value[index] = value
end

#display_on_new_line ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 152

def display_on_new_line
  puts @value
end

#display_on_one_line ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 156

def display_on_one_line
  puts @value.join(', ')
end

#each ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 184

def each
  @value.each_with_index do |val, index|
    yield val, index
  end
end

#evaluate ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 190

def evaluate
  self
end

#size ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 180

def size
  @value.size
end

#to_s ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 160

def to_s
  @value.join(', ')
end