Class: Algebrick::Matchers::Or

Inherits:

AbstractLogic

• Object
• Abstract
• AbstractLogic
• Algebrick::Matchers::Or

show all

Defined in:

lib/algebrick/matchers/or.rb

Overview

Instance Attribute Summary

Attributes inherited from AbstractLogic

#matchers

Attributes inherited from Abstract

#value

Instance Method Summary (collapse)

• - (Object) assigns_size private
• - (Object) children protected
• - (Object) collect_assigns private
• - (Boolean) matching?(other) protected
• - (Object) super_children private
• - (Object) to_s

Methods inherited from AbstractLogic

#==, call, #initialize

Methods inherited from Abstract

#!, #&, #==, #===, #>, #assign!, #assign?, #assign_to_s, #assigned?, #assigns, #case, #children_including_self, #find_children, #initialize, #inspect, #matchable!, #matched?, #to_a, #|

Methods included from TypeCheck

#Child!, #Child?, #Match!, #Match?, #Type!, #Type?, error

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# File 'lib/algebrick/matchers/or.rb', line 45

def assigns_size
  # TODO is it efficient?
  super_children.map { |ch| ch.assigns.size }.max
end

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# File 'lib/algebrick/matchers/or.rb', line 32

def children
  super.select &:matched?
end

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# File 'lib/algebrick/matchers/or.rb', line 38

def collect_assigns
  super.tap do |assigns|
    missing = assigns_size - assigns.size
    assigns.push(*::Array.new(missing))
  end
end

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# File 'lib/algebrick/matchers/or.rb', line 25

def matching?(other)
  matchers.any? { |m| m === other }
end

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# File 'lib/algebrick/matchers/or.rb', line 29

alias_method :super_children, :children

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# File 'lib/algebrick/matchers/or.rb', line 19

def to_s
  matchers.join ' | '
end