Adding support for Swedish

README.markdown

@@ -11,6 +11,7 @@ Inflections is a repository containing non-English singularization and pluraliza
 * Brazilian Portugues (pt-BR)
 * Turkish (tr)
 * Italian (it)
+* Swedish (sv)
 
 If you are fluent in a language not yet included in this gem, _please_ consider creating a list of inflections and submitting a pull request.
 

lib/inflections.rb

@@ -4,3 +4,4 @@
 require 'inflections/nb'
 require 'inflections/tr'
 require 'inflections/pt-BR'
+require 'inflections/sv'

lib/inflections/sv.rb

@@ -0,0 +1,93 @@
+# encoding: utf-8
+#
+# Swedish inflections
+#
+# Original rules by olabini - https://olabini.com/blog/2006/08/announcing-swedish-rails
+# Adapted by richardjohansson - for https://github.com/mynewsdesk/swedish_pluralize
+#
+module Inflections
+  ActiveSupport::Inflector.inflections(:sv) do |inflect|
+    inflect.clear
+
+    # --- Plural ---
+
+    # -er
+    inflect.plural(/([tmnslpr])$/i, '\1er') # produkt, produkter
+
+    # -or
+    inflect.plural(/a$/i, 'or') # flicka, flickor
+
+    # -ar
+    inflect.plural(/e$/i, 'ar') # pojke, pojkar
+    inflect.plural(/g$/i, 'gar')
+    inflect.plural(/l$/i, 'lar') # bil, bilar
+    inflect.plural(/el$/i, 'lar') # fågel, fåglar
+
+    # -er
+    inflect.plural(/kel$/i, 'kler') # muskel, muskler
+    inflect.plural(/tel$/i, 'tlar') # titel, titlar
+
+    # -r
+    inflect.plural(/de$/i, 'der') # fiende, fiender
+
+    # -n
+    inflect.plural(/le$/i, 'len') # äpple, äpplen
+
+    inflect.plural(/ö$/i, 'ön') # frö, frön
+    inflect.plural(/ok$/i, 'öcker') # bok, böcker
+    inflect.plural(/um$/i, 'a') # faktum, fakta
+    inflect.plural(/o$/i, 'or') # sko, skor
+    inflect.plural(/s$/i, 'sor') # ros, rosor
+    inflect.plural(/man$/i, 'män') # man, män
+    inflect.plural(/mus$/i, 'möss') # mus, möss
+    inflect.plural(/d$/i, 'den') # huvud, huvuden
+    inflect.plural(/ad$/i, 'ader')
+    inflect.plural(/ne$/i, 'nen') # vittne, vittnen
+    inflect.plural(/and$/i, 'änder') # hand, händer
+    inflect.plural(/i$/i, 'ier') # kategori, kategorier
+    inflect.plural(/mi$/i, 'min')
+
+    # --- Singular ---
+
+    # -er
+    inflect.singular(/([tmnslpr])er$/i, '\1') # produkt, produkter
+
+    # -or
+    inflect.singular(/or$/i, 'a') # flicka, flickor
+
+    # -ar
+    inflect.singular(/mar$/i, 'me')
+    inflect.singular(/kar$/i, 'ke') # pojke, pojkar
+    inflect.singular(/gar$/i, 'g')
+    inflect.singular(/lar$/i, 'l') # bil, bilar
+    inflect.singular(/glar$/i, 'gel') # fågel, fåglar
+
+    # -er
+    inflect.singular(/ler$/i, 'el') # muskel, muskler
+
+    # -r
+    inflect.singular(/der$/i, 'de') # fiende, fiender
+    inflect.singular(/ader$/i, 'ad')
+
+    # -n
+    inflect.singular(/en$/i, 'e') # vittne, vittnen
+
+    inflect.singular(/tlar$/i, 'tel') # titel, titlar
+    inflect.singular(/ön$/i, 'ö') # frö, frön
+    inflect.singular(/öcker$/i, 'ok') # bok, böcker
+    inflect.singular(/a$/i, 'um') # faktum, fakta
+    inflect.singular(/män$/i, 'man') # man, män
+    inflect.singular(/möss$/i, 'mus') # mus, möss
+    inflect.singular(/den$/i, 'd') # huvud, huvuden
+    inflect.singular(/skor$/i, 'sko') # sko, skor
+    inflect.singular(/änder$/i, 'and') # hand, händer
+    inflect.singular(/sor$/i, 's') # ros, rosor
+    inflect.singular(/rier$/i, 'ri')
+    inflect.singular(/min$/i, 'mi')
+
+    # --- Uncountable ---
+
+    inflect.uncountable %w(hus kar träd får brev namn nummer kön)
+
+  end
+end

test/sv_test.rb

@@ -0,0 +1,73 @@
+# encoding: utf-8
+
+require 'test_helper'
+require 'inflections/sv'
+
+class TestSwedishInflections < Minitest::Test
+
+  def test_plural
+    assert_equal 'produkter', 'produkt'.pluralize(:sv)
+    assert_equal 'muskler', 'muskel'.pluralize(:sv)
+    assert_equal 'flickor', 'flicka'.pluralize(:sv)
+    assert_equal 'pojkar', 'pojke'.pluralize(:sv)
+    assert_equal 'fåglar', 'fågel'.pluralize(:sv)
+    assert_equal 'bilar', 'bil'.pluralize(:sv)
+    assert_equal 'titlar', 'titel'.pluralize(:sv)
+    assert_equal 'fiender', 'fiende'.pluralize(:sv)
+    assert_equal 'muskler', 'muskel'.pluralize(:sv)
+    assert_equal 'frön', 'frö'.pluralize(:sv)
+    assert_equal 'böcker', 'bok'.pluralize(:sv)
+    assert_equal 'fakta', 'faktum'.pluralize(:sv)
+    assert_equal 'skor', 'sko'.pluralize(:sv)
+    assert_equal 'händer', 'hand'.pluralize(:sv)
+    assert_equal 'rosor', 'ros'.pluralize(:sv)
+    assert_equal 'män', 'man'.pluralize(:sv)
+    assert_equal 'möss', 'mus'.pluralize(:sv)
+    assert_equal 'huvuden', 'huvud'.pluralize(:sv)
+    assert_equal 'vittnen', 'vittne'.pluralize(:sv)
+    assert_equal 'kategorier', 'kategori'.pluralize(:sv)
+    assert_equal 'äpplen', 'äpple'.pluralize(:sv)
+    assert_equal 'suddgummin', 'suddgummi'.pluralize(:sv)
+
+    # Time units
+    assert_equal 'minuter', 'minut'.pluralize(:sv)
+    assert_equal 'timmar', 'timme'.pluralize(:sv)
+    assert_equal 'dagar', 'dag'.pluralize(:sv)
+    assert_equal 'veckor', 'vecka'.pluralize(:sv)
+    assert_equal 'månader', 'månad'.pluralize(:sv)
+  end
+
+  def test_singular
+    assert_equal 'flicka', 'flickor'.singularize(:sv)
+    assert_equal 'pojke', 'pojkar'.singularize(:sv)
+    assert_equal 'fågel', 'fåglar'.singularize(:sv)
+    assert_equal 'bil', 'bilar'.singularize(:sv)
+    assert_equal 'dag', 'dagar'.singularize(:sv)
+    assert_equal 'produkt', 'produkter'.singularize(:sv)
+    assert_equal 'muskel', 'muskler'.singularize(:sv)
+    assert_equal 'fiende', 'fiender'.singularize(:sv)
+    assert_equal 'muskel', 'muskler'.singularize(:sv)
+    assert_equal 'titel', 'titlar'.singularize(:sv)
+    assert_equal 'vittne', 'vittnen'.singularize(:sv)
+    assert_equal 'frö', 'frön'.singularize(:sv)
+    assert_equal 'bok', 'böcker'.singularize(:sv)
+    assert_equal 'faktum', 'fakta'.singularize(:sv)
+    assert_equal 'man', 'män'.singularize(:sv)
+    assert_equal 'mus', 'möss'.singularize(:sv)
+    assert_equal 'huvud', 'huvuden'.singularize(:sv)
+    assert_equal 'sko', 'skor'.singularize(:sv)
+    assert_equal 'hand', 'händer'.singularize(:sv)
+    assert_equal 'ros', 'rosor'.singularize(:sv)
+    assert_equal 'kategori', 'kategorier'.singularize(:sv)
+    assert_equal 'äpple', 'äpplen'.singularize(:sv)
+    assert_equal 'suddgummi', 'suddgummin'.singularize(:sv)
+
+    # Time units
+    assert_equal 'minut', 'minuter'.singularize(:sv)
+    assert_equal 'timme', 'timmar'.singularize(:sv)
+    assert_equal 'dag', 'dagar'.singularize(:sv)
+    assert_equal 'vecka', 'veckor'.singularize(:sv)
+    assert_equal 'månad', 'månader'.singularize(:sv)
+  end
+
+end