Method: Hocon::Impl::ConfigNodeObject#indentation

Defined in:
lib/hocon/impl/config_node_object.rb

#indentation ⇒ Object 



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# File 'lib/hocon/impl/config_node_object.rb', line 125

def indentation
  seen_new_line = false
  indentation = []

  if @children.empty?
    return indentation
  end

  @children.each_index do |i|
    unless seen_new_line
      if @children[i].is_a?(Hocon::Impl::ConfigNodeSingleToken) && Tokens.newline?(@children[i].token)
        seen_new_line = true
        indentation.push(Hocon::Impl::ConfigNodeSingleToken.new(Tokens.new_line(nil)))
      end
    else
      if @children[i].is_a?(Hocon::Impl::ConfigNodeSingleToken) &&
          Tokens.ignored_whitespace?(@children[i].token) &&
          i + 1 < @children.size &&
          (@children[i + 1].is_a?(Hocon::Impl::ConfigNodeField) || @children[i + 1].is_a?(Hocon::Impl::ConfigNodeInclude))
        # Return the indentation of the first setting on its own line
        indentation.push(@children[i])
        return indentation
      end
    end
  end
  if indentation.empty?
    indentation.push(Hocon::Impl::ConfigNodeSingleToken.new(Tokens.new_ignored_whitespace(nil, " ")))
    return indentation
  else
    # Calculate the indentation of the ending curly-brace to get the indentation of the root object
    last = @children[-1]
    if last.is_a?(Hocon::Impl::ConfigNodeSingleToken) && last.token.equal?(Tokens::CLOSE_CURLY)
      beforeLast = @children[-2]
      indent = ""
      if beforeLast.is_a?(Hocon::Impl::ConfigNodeSingleToken) &&
          Tokens.ignored_whitespace?(beforeLast.token)
        indent = beforeLast.token.token_text
      end
      indent += "  "
      indentation.push(Hocon::Impl::ConfigNodeSingleToken.new(Tokens.new_ignored_whitespace(nil, indent)))
      return indentation
    end
  end

  # The object has no curly braces and is at the root level, so don't indent
  indentation
end