4 files changed, 98 insertions, 1 deletions

diff --git a/lib/twine/formatters/abstract.rb b/lib/twine/formatters/abstract.rb
index 4bd8c09..37c5f15 100644
--- a/lib/twine/formatters/abstract.rb
+++ b/lib/twine/formatters/abstract.rb
@@ -3,6 +3,7 @@ require 'fileutils'
 module Twine
   module Formatters
     class Abstract
+      SUPPORTS_PLURAL = false
       attr_accessor :twine_file
       attr_accessor :options
 
@@ -132,7 +133,13 @@ module Twine
       end
 
       def format_definition(definition, lang)
-        [format_comment(definition, lang), format_key_value(definition, lang)].compact.join
+        formatted_definition = [format_comment(definition, lang)]
+        if self.class::SUPPORTS_PLURAL && definition.is_plural?
+          formatted_definition << format_plural(definition, lang)
+        else
+          formatted_definition << format_key_value(definition, lang)
+        end
+        formatted_definition.compact.join
       end
 
       def format_comment(definition, lang)
@@ -143,10 +150,21 @@ module Twine
         key_value_pattern % { key: format_key(definition.key.dup), value: format_value(value.dup) }
       end
 
+      def format_plural(definition, lang)
+        plural_hash = definition.plural_translation_for_lang(lang)
+        if plural_hash
+          format_plural_keys(definition.key.dup, plural_hash)
+        end
+      end
+
       def key_value_pattern
         raise NotImplementedError.new("You must implement key_value_pattern in your formatter class.")
       end
 
+      def format_plural_keys(key, plural_hash)
+        raise NotImplementedError.new("You must implement format_plural_keys in your formatter class.")
+      end
+
       def format_key(key)
         key
       end
diff --git a/lib/twine/formatters/android.rb b/lib/twine/formatters/android.rb
index e8f0642..5ad23ab 100644
--- a/lib/twine/formatters/android.rb
+++ b/lib/twine/formatters/android.rb
@@ -7,6 +7,7 @@ module Twine
     class Android < Abstract
       include Twine::Placeholders
 
+      SUPPORTS_PLURAL = true
       LANG_CODES = Hash[
         'zh' => 'zh-Hans',
         'zh-CN' => 'zh-Hans',
@@ -110,6 +111,12 @@ module Twine
         "\t<string name=\"%{key}\">%{value}</string>"
       end
 
+      def format_plural_keys(key, plural_hash)
+        result = "\t<plurals name=\"#{key}\">\n"
+        result += plural_hash.map{|quantity,value| "\t#{' ' * 2}<item quantity=\"#{quantity}\">#{value}</item>"}.join("\n")
+        result += "\n\t</plurals>"
+      end
+
       def gsub_unless(text, pattern, replacement)
         text.gsub(pattern) do |match|
           match_start_position = Regexp.last_match.offset(0)[0]
diff --git a/lib/twine/formatters/apple.rb b/lib/twine/formatters/apple.rb
index 5233cb1..5a655df 100644
--- a/lib/twine/formatters/apple.rb
+++ b/lib/twine/formatters/apple.rb
@@ -86,6 +86,10 @@ module Twine
       def format_value(value)
         escape_quotes(value)
       end
+
+      def should_include_definition(definition, lang)
+        return !definition.is_plural? && super
+      end
     end
   end
 end
diff --git a/lib/twine/formatters/apple_plural.rb b/lib/twine/formatters/apple_plural.rb
new file mode 100644
index 0000000..c53f02b
--- /dev/null
+++ b/lib/twine/formatters/apple_plural.rb
@@ -0,0 +1,68 @@
+module Twine
+  module Formatters
+    class ApplePlural < Apple
+      SUPPORTS_PLURAL = true
+
+      def format_name
+        'apple-plural'
+      end
+
+      def extension
+        '.stringsdict'
+      end
+
+      def default_file_name
+        'Localizable.stringsdict'
+      end
+
+      def format_footer(lang)
+        footer = "</dict>\n</plist>"
+      end
+
+      def format_file(lang)
+        result = super
+        result += format_footer(lang)
+      end
+
+      def format_header(lang)
+        header = "<!--\n * Apple Stringsdict File\n * Generated by Twine #{Twine::VERSION}\n * Language: #{lang} -->\n"
+        header += "<\?xml version=\"1.0\" encoding=\"UTF-8\"\?>\n"
+        header += "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
+        header += "<plist version=\"1.0\">\n<dict>"
+      end
+
+      def format_section_header(section)
+        "<!-- ********** #{section.name} **********/ -->\n"
+      end
+
+      def format_plural_keys(key, plural_hash)
+        result = "#{tab(2)}<key>#{key}</key>\n"
+        result += "#{tab(2)}<dict>\n"
+        result += "#{tab(4)}<key>NSStringLocalizedFormatKey</key>\n#{tab(4)}<string>\%\#@value@</string>\n"
+        result += "#{tab(4)}<key>value</key>\n#{tab(4)}<dict>\n"
+        result += "#{tab(6)}<key>NSStringFormatSpecTypeKey</key>\n#{tab(6)}<string>NSStringPluralRuleType</string>\n"
+        result += "#{tab(6)}<key>NSStringFormatValueTypeKey</key>\n#{tab(6)}<string>d</string>\n"
+        result += plural_hash.map{|quantity,value| "#{tab(6)}<key>#{quantity}</key>\n#{tab(6)}<string>#{value}</string>"}.join("\n")
+        result += "\n#{tab(4)}</dict>\n#{tab(2)}</dict>\n"
+      end
+
+      def format_comment(definition, lang)
+        "<!-- #{definition.comment.gsub('--', '—')} -->\n" if definition.comment
+      end
+
+      def read(io, lang)
+        raise NotImplementedError.new("Reading \".stringdict\" files not implemented yet")
+      end
+
+      def tab(level)
+        ' ' * level
+      end
+
+      def should_include_definition(definition, lang)
+        return definition.is_plural? && definition.plural_translation_for_lang(lang)
+      end
+    end
+  end
+end
+
+Twine::Formatters.formatters << Twine::Formatters::ApplePlural.new