class Pry::Command::Cat::InputExpressionFormatter

def format
  raise CommandError, "No input expressions!" if numbered_input_items.length < 1
  if numbered_input_items.length > 1
    content = ""
    numbered_input_items.each do |i, s|
      content << "#{Helpers::Text.bold(i.to_s)}:\n" << decorate(Pry::Code(s).with_indentation(2)).to_s
    end
    content
  else
    decorate(Pry::Code(selected_input_items.first)).to_s
  end
end

def initialize(input_expressions, opts)
  @input_expressions = input_expressions
  @opts = opts
end

def normalized_expression_range
  absolute_index_range(opts[:i], input_expressions.length)
end

def numbered_input_items
  @numbered_input_items ||= normalized_expression_range.zip(selected_input_items).
    reject { |_, s| s.nil? || s == "" }
end

def selected_input_items
  input_expressions[normalized_expression_range] || []
end