Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/hcl2-rb/formatter.rb

Instance Method Summary collapse

Instance Method Details

#has_child? ⇒ Boolean 



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# File 'lib/hcl2-rb/formatter.rb', line 2

def has_child?
  return false if empty?

  each do |_k, v|
    return false unless v.is_a?(Hash)
  end

  true
end

#to_hcl2(spaces: 2, tab: 0) ⇒ Object 



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# File 'lib/hcl2-rb/formatter.rb', line 12

def to_hcl2(spaces: 2, tab: 0)
  hcl2 = []

  each do |k, v|
    case v
    when Numeric, String, TrueClass, FalseClass
      hcl2.push("#{k} = #{v.to_hcl2}\n")
    when Array
      if v.has_child?
        v.each do |child|
          hcl2.push({ "#{k}": child }.to_hcl2)
        end
      else
        hcl2.push("#{k} = #{v.to_hcl2}")
      end
    when Hash
      labels = HCL2::Helpers.dfs(v)
      labels.each do |label|
        # It creates a label string and we shouldn't
        # forget about addition space before this one
        n = label.empty? ? nil : label.map { |l| l&.to_hcl2 }.join(' ').prepend(' ') # It creates label string

        # We should go deeper to format child attributes
        c = label.empty? ? v : v.dig(*label)

        hcl2.push("#{k}#{n} {")
        hcl2.push(c.to_hcl2(spaces: spaces, tab: 1))
        hcl2.push("}\n")
      end
    else
      raise "#{v.class.name} can't be formatted to HCL2"
    end
  end

  hcl2.map { |v| v.prepend(' ' * spaces * tab) }.join("\n")
end