Strip all whitespace from Accept-Language header before parsing

lib/http_accept_language/parser.rb

@@ -17,9 +17,9 @@ def initialize(header)
     #   # => [ 'nl-NL', 'nl-BE', 'nl', 'en-US', 'en' ]
     #
     def user_preferred_languages
-      @user_preferred_languages ||= header.split(/\s*,\s*/).collect do |l|
+      @user_preferred_languages ||= header.gsub(/\s+/, '').split(/,/).collect do |l|
         l += ';q=1.0' unless l =~ /;q=\d+\.\d+$/
-          l.split(';q=')
+          l.split(/;q=/)
       end.sort do |x,y|
         raise "Not correctly formatted" unless x.first =~ /^[a-z\-0-9]+$/i
         y.last.to_f <=> x.last.to_f

spec/parser_spec.rb

@@ -20,6 +20,11 @@ def parser
     parser.user_preferred_languages.should eq []
   end
 
+  it "should properly respect whitespace" do
+    parser.header = 'en-us, en-gb; q=0.8,en;q = 0.6,es-419'
+    parser.user_preferred_languages.should eq %w{en-US es-419 en-GB en}
+  end
+
   it "should find first available language" do
     parser.preferred_language_from(%w{en en-GB}).should eq "en-GB"
   end