Class: Code::Object::Range

Inherits:
Code::Object show all
Defined in:
lib/code/object/range.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Code::Object

#<=>, #==, #code_and_operator, #code_different, #code_equal_equal, #code_equal_equal_equal, #code_exclamation_point, #code_exclusive_range, #code_inclusive_range, #code_or_operator, #code_self, #code_to_string, #falsy?, #hash, maybe, #multi_fetch, repeat, #sig, #truthy?, |

Constructor Details

#initialize(left, right, exclude_end: false) ⇒ Range

Returns a new instance of Range.



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# File 'lib/code/object/range.rb', line 8

def initialize(left, right, exclude_end: false)
  @left = left
  @right = right
  @exclude_end = exclude_end
  @raw = ::Range.new(left, right, exclude_end)
end

Instance Attribute Details

#exclude_end ⇒ Object (readonly)

Returns the value of attribute exclude_end.



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# File 'lib/code/object/range.rb', line 6

def exclude_end
  @exclude_end
end

#left ⇒ Object (readonly)

Returns the value of attribute left.



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# File 'lib/code/object/range.rb', line 6

def left
  @left
end

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/code/object/range.rb', line 6

def raw
  @raw
end

#right ⇒ Object (readonly)

Returns the value of attribute right.



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# File 'lib/code/object/range.rb', line 6

def right
  @right
end

Class Method Details

.name ⇒ Object 



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# File 'lib/code/object/range.rb', line 15

def self.name
  "Range"
end

Instance Method Details

#call(**args) ⇒ Object 



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# File 'lib/code/object/range.rb', line 19

def call(**args)
  operator = args.fetch(:operator, nil)
  arguments = args.fetch(:arguments, [])
  globals = multi_fetch(args, *GLOBALS)
  value = arguments.first&.value

  case operator.to_s
  when "all?"
    sig(args) { Function }
    code_all?(value, **globals)
  when "any?"
    sig(args) { Function }
    code_any?(value, **globals)
  when "each"
    sig(args) { Function }
    code_each(value, **globals)
  when "first"
    sig(args)
    code_first
  when "last"
    sig(args)
    code_last
  when "map"
    sig(args) { Function }
    code_map(value, **globals)
  when "select"
    sig(args) { Function }
    code_select(value, **globals)
  when "step"
    sig(args) { Number }
    code_step(value)
  when "to_list"
    sig(args)
    code_to_list
  else
    super
  end
end

#code_all?(argument, **globals) ⇒ Boolean

Returns:



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# File 'lib/code/object/range.rb', line 58

def code_all?(argument, **globals)
  Boolean.new(
    raw.all? do |element|
      argument.call(arguments: [Argument.new(element)], **globals).truthy?
    end
  )
end

#code_any?(argument, **globals) ⇒ Boolean

Returns:



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# File 'lib/code/object/range.rb', line 66

def code_any?(argument, **globals)
  Boolean.new(
    raw.any? do |element|
      argument.call(arguments: [Argument.new(element)], **globals).truthy?
    end
  )
end

#code_each(argument, **globals) ⇒ Object 



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# File 'lib/code/object/range.rb', line 74

def code_each(argument, **globals)
  raw.each do |element|
    argument.call(arguments: [Argument.new(element)], **globals)
  end
  self
end

#code_first ⇒ Object 



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# File 'lib/code/object/range.rb', line 81

def code_first
  raw.first || Nothing.new
end

#code_last ⇒ Object 



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# File 'lib/code/object/range.rb', line 85

def code_last
  raw.last || Nothing.new
end

#code_map(argument, **globals) ⇒ Object 



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# File 'lib/code/object/range.rb', line 89

def code_map(argument, **globals)
  List.new(
    raw.map do |element|
      argument.call(arguments: [Argument.new(element)], **globals)
    end
  )
end

#code_select(argument, **globals) ⇒ Object 



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# File 'lib/code/object/range.rb', line 97

def code_select(argument, **globals)
  List.new(
    raw.select do |element|
      argument.call(arguments: [Argument.new(element)], **globals).truthy?
    end
  )
end

#code_step(argument) ⇒ Object 



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# File 'lib/code/object/range.rb', line 105

def code_step(argument)
  list = List.new
  element = left
  list.code_append(element)

  element = element.code_plus(argument)
  if exclude_end?
    while element.code_inferior(right).truthy?
      list.code_append(element)
      element = element.code_plus(argument)
    end
  else
    while element.code_inferior_or_equal(right).truthy?
      list.code_append(element)
      element = element.code_plus(argument)
    end
  end

  list
end

#code_to_list ⇒ Object 



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# File 'lib/code/object/range.rb', line 126

def code_to_list
  List.new(raw.to_a)
end

#exclude_end? ⇒ Boolean

Returns:



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# File 'lib/code/object/range.rb', line 130

def exclude_end?
  !!exclude_end
end

#inspect ⇒ Object 



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# File 'lib/code/object/range.rb', line 134

def inspect
  to_s
end

#to_s ⇒ Object 



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# File 'lib/code/object/range.rb', line 138

def to_s
  raw.to_s
end