Class: JsonToToon::ArrayNode

Inherits:
ContainerNode show all
Defined in:
lib/json_to_toon/array_node.rb

Instance Attribute Summary

Attributes inherited from ContainerNode

#children

Attributes inherited from DataNode

#indentation_level, #parent

Instance Method Summary collapse

Methods inherited from ContainerNode

#add_child

Methods inherited from DataNode

#add_child, #indent, #root

Constructor Details

#initialize(parent = nil) ⇒ ArrayNode

Returns a new instance of ArrayNode.



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# File 'lib/json_to_toon/array_node.rb', line 7

def initialize(parent = nil)
  super
end

Instance Method Details

#single_indent(spaces = 2) ⇒ Object 



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# File 'lib/json_to_toon/array_node.rb', line 32

def single_indent(spaces = 2)
  ' ' * (@indentation_level * spaces)
end

#standard_tabular_array? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/json_to_toon/array_node.rb', line 11

def standard_tabular_array?
  arr = @children

  return true if arr.empty?

  first_node = arr[0]
  return false unless first_node.is_a?(ObjectNode)

  first_hash_keys = first_node.keys.sort

  arr.all? do |item_node|
    next false unless item_node.is_a?(ObjectNode)
    next false unless item_node.keys.sort == first_hash_keys

    item_node.children.all? do |key_value_node|
      value_node = key_value_node.value_node
      value_node.is_a?(ValueNode)
    end
  end
end

#to_s ⇒ Object 



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# File 'lib/json_to_toon/array_node.rb', line 36

def to_s
  output = +''
  if standard_tabular_array?
    unless @children.empty?
      type = "{#{@children.first&.keys&.join(',')}}"
      output = type.to_s
    end
    output += ":\n"

    output += @children.map do |item|
      "#{indent}#{item.children.map { |c| c.to_s.chomp.lstrip }.join(',')}"
    end.join("\n")
    return output
  end

  output = +':'
  output_inline = true

  child_strings = @children.map do |child|
    output_inline = false if child.is_a?(ObjectNode) || child.is_a?(ArrayNode)
    child.to_s.chomp.lstrip
  end
  if output_inline
    output = +'' if parent.is_a?(ArrayNode)
    output << ' '
    output << child_strings.join(',')
  else
    output << "\n#{indent}- "
    output << child_strings.join("\n#{indent}- ")
  end

  output << "\n"

  output
end