Class: Arbre::ElementCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/arbre/element_collection.rb

Direct Known Subclasses

ChildElementCollection

Instance Method Summary collapse

Constructor Details

#initialize(elements = []) ⇒ ElementCollection

Initialization



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# File 'lib/arbre/element_collection.rb', line 8

def initialize(elements = [])
  @elements = elements.to_a
end

Instance Method Details

#&(other) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 69

def &(other)
  self.class.new(@elements & other)
end

#+(other) ⇒ Object

Set operations



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# File 'lib/arbre/element_collection.rb', line 61

def +(other)
  self.class.new((@elements + other).uniq)
end

#-(other) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 65

def -(other)
  self.class.new(@elements - other)
end

#<<(element) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 29

def <<(element)
  add element
end

#==(other) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 50

def ==(other)
  to_a == other.to_a
end

#[](*args) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 19

def [](*args)
  result = @elements[*args]
  result = self.class.new(result) if result.is_a?(Enumerable)
  result
end

#add(element) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 25

def add(element)
  @elements << element unless include?(element)
  self
end

#concat(elements) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 33

def concat(elements)
  elements.each do |element|
    self << element
  end
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arbre/element_collection.rb', line 54

def eql?(other)
  other.is_a?(ElementCollection) && self == other
end

#remove(element) ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 39

def remove(element)
  @elements.delete element
end

#to_a ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 46

def to_a
  @elements.dup
end

#to_ary ⇒ Object 



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# File 'lib/arbre/element_collection.rb', line 43

def to_ary
  @elements
end

#to_s ⇒ Object

String conversion



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# File 'lib/arbre/element_collection.rb', line 76

def to_s
  html_safe_join(map(&:to_s), "\n")
end