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Size: 1.66 KB
Versions: 10
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Stored size: 1.66 KB
Contents
module Weskit::WML
class Item
include Comparable, Mixins::Validator
attr_reader :name
def <=> other
case other
when self.class then "#{name}" <=> "#{other.name}"
when Item then "#{self.class}" <=> "#{other.class}"
else nil
end
end
def formatter= item
raise_unless Formatter, item
@formatter = item
end
def initialize name, defaults = {}
self.name = name
merge defaults
end
def merge options = {}
raise_unless Hash, options
options.each do |option, value|
raise_if_missing self, option
send "#{option}=", value
end
self
end
def name= name
raise_if_invalid name
@name = Item.identifier name
end
def to_s
formatter.format_detached self
end
alias_method :to_str, :to_s
class << self
def identifier name
"#{name}".to_sym
end
private
def attachable_to name
class_eval <<-code
attr_reader :#{name}
def #{name}= item
raise_unless Element, item
@#{name} = item
end
def #{name}?
!!#{name}
end
alias_method :attach_to, :#{name}=
def detach
if #{name}?
@#{name}.delete self
@#{name} = nil
end
self
end
def distance
#{name} ? #{name}.distance + 1 : 0
end
def formatter
current_formatter = @formatter || Formatter.default
#{name} ? #{name}.formatter : current_formatter
end
code
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems