added downcase method that understands Serbian Cyrillic

-version bump
-renamed the call to Cucumber

NOTE: the downcase method might be slower now as it uses Ruby's Array
to look up the characters for the conversion.

README.md

@@ -3,6 +3,8 @@
 Character conversion from Latin alphabet to Serbian Cyrillic script
 and vice versa
 
+It adds **downcase** method that understands Serbian Cyrillic case
+
 
 ### Install
 
@@ -14,13 +16,32 @@ $ gem install viljushka
 
 ```
 require 'viljushka'
+```
+
+For Cyrillic
+
+
+```
 puts 'ćirilica'.to_cyr
 puts 'ćirilica'.po_vuku
+``
+
+and for Latin
+
+``
 puts 'латиница'.to_lat
 puts 'латиница'.po_gaju
 ```
 
+Also added **downcase**
+
+```
+puts 'ПАЗИ САД'.downcase
+=> "пази сад"
+```
+
 ### Note
 
 The idea for this gem comes from Dalibor Nasevic, who originally
-created it for Macedonian Cyrillic
+created it for Macedonian Cyrillic. I have since modified it by
+adding **downcase** method

Rakefile

@@ -8,6 +8,6 @@ task :default => :spec
 desc "Run specs"
 RSpec::Core::RakeTask.new
 
-Cucumber::Rake::Task.new(:features) do |t|
+Cucumber::Rake::Task.new(:cukes) do |t|
   t.cucumber_opts = "features --format pretty"
 end

features/downcase.feature

@@ -0,0 +1,39 @@
+Feature: Convert from uppercase To lowercase
+    In order to convert text from uppercase to lowercase
+
+    Scenario Outline: User enters Latin characters
+        When I enter a <Uppercase> character
+        Then I should get it in <Lowercase>
+
+        Examples:
+            | Uppercase | Lowercase |
+            | А         | а         |
+            | Б         | б         |
+            | В         | в         |
+            | Г         | г         |
+            | Д         | д         |
+            | Ђ         | ђ         |
+            | Е         | е         |
+            | Ж         | ж         |
+            | З         | з         |
+            | И         | и         |
+            | Ј         | ј         |
+            | К         | к         |
+            | Л         | л         |
+            | Љ         | љ         |
+            | М         | м         |
+            | Н         | н         |
+            | Њ         | њ         |
+            | О         | о         |
+            | П         | п         |
+            | Р         | р         |
+            | С         | с         |
+            | Т         | т         |
+            | Ћ         | ћ         |
+            | У         | у         |
+            | Ф         | ф         |
+            | Х         | х         |
+            | Ц         | ц         |
+            | Ч         | ч         |
+            | Џ         | џ         |
+            | Ш         | ш         |

features/step_definitions/downcase_steps.rb

@@ -0,0 +1,7 @@
+When /^I enter a (.*) character$/ do |char|
+  @char = char
+end
+
+Then /^I should get it in (.*)$/ do |lowercase|
+  @char.downcase.should == lowercase
+end

features/support/env.rb

@@ -1,4 +1,5 @@
-require File.dirname(__FILE__) + "/../../lib/viljushka"
+$LOAD_PATH.unshift File.expand_path("../lib", __FILE__)
 
 require 'cucumber'
 require 'rspec'
+require 'viljushka'

lib/viljushka.rb

@@ -1 +1,2 @@
 require 'viljushka/boc'
+require 'viljushka/downcase'

lib/viljushka/boc.rb

@@ -2,11 +2,8 @@
 module Viljushka
   module Boc
 
-    # Including officially 'non valid' (read: used on the internet, by
-    # people who can't be bothered to set up their keyboard layouts)
-    # Serbian Latin characters as well as the official letters
     Latin    = %w(DJ Dj dj DŽ Dž dž LJ Lj lj NJ Nj nj A a B b V v G g D d Đ đ Ð ð E e Ž ž Z z I i J j K k L l M m N n O o P p R r S s T t Ć ć U u F f H h C c Č č Š š)
-    Cyrillic = %w(Ђ Ђ ђ Џ Џ џ Љ Љ љ Њ Њ њ  А а Б б В в Г г Д д Ђ ђ Ђ ђ Е е Ж ж З з И и Ј ј К к Л л М м Н н О о П п Р р С с Т т Ћ ћ У у Ф ф Х х Ц ц Ч ч Ш ш)
+    Cyrillic = %w(Ђ Ђ ђ Џ Џ џ Љ Љ љ Њ Њ њ А а Б б В в Г г Д д Ђ ђ Ђ ђ Е е Ж ж З з И и Ј ј К к Л л М м Н н О о П п Р р С с Т т Ћ ћ У у Ф ф Х х Ц ц Ч ч Ш ш)
 
     def to_cyr
       convert(self.dup, Latin, Cyrillic)

lib/viljushka/downcase.rb

@@ -0,0 +1,29 @@
+# coding: utf-8
+module Viljushka
+  module Downcase
+
+    Up = %w(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z А Б В Г Д Ђ Е Ж З И Ј К Л Љ М Н Њ О П Р С Т Ћ У Ф Х Ц Ч Џ Ш)
+    Low = %w(a b c d e f g h i j k l m n o p q r s t u v w x y z а б в г д ђ е ж з и ј к л љ м н њ о п р с т ћ у ф х ц ч џ ш)
+
+    def downcase_with_serbian_cyrillic
+      convert(self.dup, Up, Low)
+    end
+
+    alias_method :downcase, :downcase_with_serbian_cyrillic
+
+    private
+
+    def convert(text, from, to)
+      from.each_with_index do |char, i|
+        text.gsub!(char, to[i])
+      end
+      text
+    end
+
+  end
+end
+
+class String
+  remove_method(:downcase)
+  include Viljushka::Downcase
+end

lib/viljushka/version.rb

@@ -1,3 +1,3 @@
 module Viljushka
-  VERSION = '0.1.5'
+  VERSION = '0.2.0'
 end

spec/downcase_spec.rb

@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+require 'spec_helper'
+
+describe "Viljushka::Downcase" do
+
+  context "with alphabet" do
+    subject { "ABCDEFGHIJKLMNOPQRSTUVWXYZ".downcase }
+    it { should eql "abcdefghijklmnopqrstuvwxyz" }
+  end
+
+  context "with Serbian Cyrillic" do
+    subject { "АБВГДЂЕЖЗИЈКЛЉМНЊОПРСТЋУФХЦЧЏШ".downcase }
+    it { should eql "абвгдђежзијклљмнњопрстћуфхцчџш" }
+  end
+
+end