Class: JsonToToon::ObjectNode

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

Defined Under Namespace

Classes: KeyedValue

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) ⇒ ObjectNode

Returns a new instance of ObjectNode.



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# File 'lib/json_to_toon/object_node.rb', line 20

def initialize(parent = nil)
  super
end

Instance Method Details

#add_key_value(key, value_node) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/json_to_toon/object_node.rb', line 28

def add_key_value(key, value_node)
  raise ArgumentError, 'Can only add DataNode objects as values.' unless value_node.is_a?(DataNode)

  @children << KeyedValue.new(key, value_node)
end

#keys ⇒ Object 



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# File 'lib/json_to_toon/object_node.rb', line 24

def keys
  @children.map(&:key)
end

#to_s ⇒ Object 



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# File 'lib/json_to_toon/object_node.rb', line 34

def to_s
  return indent.to_s if @children.empty?

  output = if parent
             "#{indent}\n"
           else
             String.new(encoding: Encoding::UTF_8)
           end

  child_strings = @children.map do |keyed_value|
    value_indent = '  ' * @indentation_level
    value_string = keyed_value.value_node.to_s.chomp
    if keyed_value.value_node.is_a?(ArrayNode)
      "#{value_indent}#{keyed_value.key}[#{keyed_value.value_node.children.size}]#{value_string.lstrip}"

    else

      newline = ''
      if keyed_value.value_node.is_a?(ObjectNode) && !keyed_value.value_node.children.empty?
        newline = "\n#{'  ' * keyed_value.value_node.indentation_level}"
      end

      "#{value_indent}#{keyed_value.key}: #{newline}#{value_string.lstrip}"
    end
  end

  output << child_strings.join("\n")

  output
end