Class: Stupidedi::Values::CompositeElementVal

Inherits:

AbstractElementVal

• Object
• AbstractVal
• AbstractElementVal
• Stupidedi::Values::CompositeElementVal

show all

Defined in:

lib/stupidedi/values/composite_element_val.rb

Overview

Instance Attribute Summary (collapse)

• - (Array<SimpleElementVal>) children (also: #component_vals) readonly
• - (CompositeElementUse) usage readonly

Instance Method Summary (collapse)

• - (Boolean) ==(other)
• - (Boolean) composite?

  Is this a CompositeElementVal?.

• - (CompositeElementVal) copy(changes = {})
• - (CompositeElementDef) definition
• - (SimpleElementVal) element(n)
• - (CompositeElementVal) initialize(children, usage) constructor

  A new instance of CompositeElementVal.

• - (Boolean) leaf?

  False.

• - pretty_print(q)

Methods inherited from AbstractElementVal

#element?, #size

Methods inherited from AbstractVal

#blank?, #characters, #component?, #element?, #empty?, #functional_group?, #interchange?, #invalid?, #loop?, #present?, #repeated?, #segment?, #separator?, #simple?, #size, #table?, #transaction_set?, #transmission?, #valid?

Methods included from Color

ansi, #ansi

Methods included from Inspect

#inspect

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# File 'lib/stupidedi/values/composite_element_val.rb', line 21

def initialize(children, usage)
  @children, @usage =
    children, usage
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 13

def children
  @children
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 17

def usage
  @usage
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 87

def ==(other)
  eql?(other) or
   (other.definition == definition and
    other.children   == @children)
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 40

def composite?
  true
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 27

def copy(changes = {})
  CompositeElementVal.new \
    changes.fetch(:children, @children),
    changes.fetch(:usage, @usage)
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 10

delegate :definition, :to => :@usage

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# File 'lib/stupidedi/values/composite_element_val.rb', line 45

def element(n)
  unless n > 0
    raise ArgumentError,
      "n must be positive"
  end

  @children.at(n - 1)
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 34

def leaf?
  false
end

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# File 'lib/stupidedi/values/composite_element_val.rb', line 55

def pretty_print(q)
  id = definition.bind do |d|
    "[#{d.id}: #{d.name}]".bind do |s|
      if usage.forbidden?
        ansi.forbidden(s)
      elsif usage.required?
        ansi.required(s)
      else
        ansi.optional(s)
      end
    end
  end

  q.text(ansi.composite("CompositeElementVal#{id}"))

  if empty?
    q.text(ansi.composite(".empty"))
  else
    q.group(2, "(", ")") do
      q.breakable ""
      @children.each do |e|
        unless q.current_group.first?
          q.text ", "
          q.breakable
        end
        q.pp e
      end
    end
  end
end