prefer case over elseif structure

Author: SidOfc

lib/browserino/definitions/filters.rb

@@ -62,27 +62,29 @@
  end
 
  filter :platform do |val|
- if %r{ip(?:[ao]d|hone)}i =~ val then :ios
- elsif %r{^symbian$}i =~ val then :symbianos
- elsif %r{w(?:eb)?os}i =~ val then :webos
- elsif %r{ubuntu|debian}i =~ val then :linux
- elsif %r{mac_os_x}i =~ val then :macintosh
- elsif %r{s(?:unos|olaris)}i =~ val then :solaris
- elsif %r{cros}i =~ val then :chromeos
- elsif %r{kindle|kf\w+}i =~ val then :fire_os
- elsif %r{fxos}i =~ val then :firefox_os
+ case val
+ when %r{ip(?:[ao]d|hone)}i then :ios
+ when %r{^symbian$}i then :symbianos
+ when %r{w(?:eb)?os}i then :webos
+ when %r{ubuntu|debian}i then :linux
+ when %r{mac_os_x}i then :macintosh
+ when %r{s(?:unos|olaris)}i then :solaris
+ when %r{cros}i then :chromeos
+ when %r{kindle|kf\w+}i then :fire_os
+ when %r{fxos}i then :firefox_os
  else val
  end
  end
 
  filter :device do |val|
- if %r{kf\w*}i =~ val then :kindle
- elsif %r{lg[-l_]}i =~ val then :lg
- elsif %r{\w+tab}i =~ val then :lenovo
- elsif %r{lumia}i =~ val then :nokia
- elsif %r{^moto}i =~ val then :motorola
- elsif %r{\d+dl|venue}i =~ val then :dell
- elsif %r{me\d+x|a\df;|transformer|slider}i =~ val then :asus
+ case val
+ when %r{kf\w*}i then :kindle
+ when %r{lg[-l_]}i then :lg
+ when %r{\w+tab}i then :lenovo
+ when %r{lumia}i then :nokia
+ when %r{^moto}i then :motorola
+ when %r{\d+dl|venue}i then :dell
+ when %r{me\d+x|a\df;|transformer|slider}i then :asus
  else val
  end
  end