lib/awesome_print/formatters/object_formatter.rb
require_relative 'base_formatter'
module AwesomePrint
module Formatters
class ObjectFormatter < BaseFormatter
attr_reader :object, :variables, :inspector, :options
def initialize(object, inspector)
@object = object
@variables = object.instance_variables
@inspector = inspector
@options = inspector.options
end
def format
vars = variables.map do |var|
property = var.to_s[1..-1].to_sym # to_s because of some monkey patching done by Puppet.
accessor = if object.respond_to?(:"#{property}=")
object.respond_to?(property) ? :accessor : :writer
else
object.respond_to?(property) ? :reader : nil
end
if accessor
[String.new("attr_#{accessor} :#{property}"), var]
else
[var.to_s, var]
end
end
data = (options[:sort_vars] ? vars.sort : vars).map do |declaration, var|
key = left_aligned do
align(declaration, declaration.size)
end
unless options[:plain]
if key =~ /(@\w+)/
key.sub!($1, colorize($1, :variable))
else
key.sub!(/(attr_\w+)\s(\:\w+)/, "#{colorize('\\1', :keyword)} #{colorize('\\2', :method)}")
end
end
indented do
key << colorize(' = ', :hash) + inspector.awesome(object.instance_variable_get(var))
end
end
if options[:multiline]
"#<#{awesome_instance}\n#{data.join(%Q/,\n/)}\n#{outdent}>"
else
"#<#{awesome_instance} #{data.join(', ')}>"
end
end
private
def valid_instance_var?(variable_name)
variable_name.to_s.start_with?('@')
end
def awesome_instance
str = String.new
str << object.send(options[:class_name]).to_s
str << ":0x%08x" % (object.__id__ * 2) if options[:object_id]
str
end
def left_aligned
current = options[:indent]
options[:indent] = 0
yield
ensure
options[:indent] = current
end
end
end
end