lib/awesome_print/formatters/struct_formatter.rb
require_relative 'base_formatter'
module AwesomePrint
module Formatters
class StructFormatter < BaseFormatter
attr_reader :struct, :variables, :inspector, :options
def initialize(struct, inspector)
@struct = struct
@variables = struct.members
@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 struct.respond_to?(:"#{property}=")
struct.respond_to?(property) ? :accessor : :writer
else
struct.respond_to?(property) ? :reader : nil
end
if accessor
["attr_#{accessor} :#{property}", var]
else
[var.to_s, var]
end
end
data = vars.sort.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(struct.send(var))
end
end
if options[:multiline]
"#<#{awesome_instance}\n#{data.join(%Q/,\n/)}\n#{outdent}>"
else
"#<#{awesome_instance} #{data.join(', ')}>"
end
end
private
def awesome_instance
"#{struct.class.superclass}:#{struct.class}:0x%08x" % (struct.__id__ * 2)
end
def left_aligned
current = options[:indent]
options[:indent] = 0
yield
ensure
options[:indent] = current
end
end
end
end