Class: MKBrut::Prefix

Inherits:
Object
  • Object
show all
Defined in:
lib/mkbrut/prefix.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(identifier) ⇒ Prefix

Returns a new instance of Prefix.



13
14
15
16
17
18
19
20
21
 
# File 'lib/mkbrut/prefix.rb', line 13

def initialize(identifier)
  @identifier = identifier.to_s
  if @identifier.length != 2
    raise InvalidIdentifier, "prefix '#{@identifier}' must be 2 characters"
  end
  if @identifier !~ /^[a-z]+$/
    raise InvalidIdentifier, "prefix must be only lower case ASCII letters"
  end
end

Class Method Details

.from_app_id(app_id) ⇒ Object 



3
4
5
6
7
8
9
10
11
 
# File 'lib/mkbrut/prefix.rb', line 3

def self.from_app_id(app_id)
  app_id = app_id.to_s
  prefix = if app_id =~ /^[^-]+[a-z]-[a-z]/
             app_id.split("-")[0..1].map { it[0] }.join("")
           else
             app_id[0..1]
           end
  self.new(prefix)
end

Instance Method Details

#to_s ⇒ Object Also known as: to_str 



23
 
# File 'lib/mkbrut/prefix.rb', line 23

def to_s = @identifier