Convert from sass to css using compass, generate locale specific rules

locale_specific.css

require 'rubygems'
require 'compass'
require 'compass/exec'

## start sass css converter
class SASS_CSS

  module Sass::Script::Functions 
    def user_language() 
      Sass::Script::String.new(options[:custom][:lang]) 
    end 
  end
  
  # read the file and parse for $lang: user_language();
  def self.parse_locale(filename)
   file = File.new(filename, 'r')
     while (line = file.gets)
        if( line.include? "user_language()")
         return true
       end
   end
   return false
  end

 ##  Compass Compiler #########
 def self.compass(filename, locale)
    $LOAD_PATH.unshift "#{filename}"
    top_scss_src_dir = $project.getProperty('scss.src')
    options ={ :cache_location => "compass_cache", :load_paths => [top_scss_src_dir], :style => :compressed, :full_exception => :true, :syntax => :scss , :custom => { :lang => locale } } 

    scss_src_dir = File.dirname(filename)

    dest_subdir = scss_src_dir[top_scss_src_dir.length()..-1]
    if (locale != "" )
     dest_file_name = File.basename(filename, '.scss') + "_" + locale + '.css'
    #no locale specific 
    else
     dest_file_name = File.basename(filename, '.scss') + '.css'
    end
    dest_dir = $project.getProperty('scss.build') + dest_subdir

     subDirs = dest_subdir.split("/")
     dest_dir = $project.getProperty('scss.build')
     subDirs.each do
       |subDir|  
       dest_dir += "/" + subDir
       Dir.mkdir(dest_dir) unless File.exists?(dest_dir)
     end 
    dest_file_path = dest_dir + "/" + dest_file_name
    #puts "##>> dest_file_path = " + dest_file_path
    compass_compiler = Compass::Compiler.new(top_scss_src_dir, "sass", "css", options)
    compass_compiler.compile("#{filename}","#{dest_file_path}");
  end

end  
## end sass css converter

files = Dir.glob($project.getProperty('scss.src') + "/**/[^_]*.scss")

locales = ['ja_JP','pt_BR', 'en_US','fr_FR','ro_RO','ru_RU','es_ES','de_DE','it_IT','in_ID','nl_NL','ms_MY','tr_TR','da_DK','sv_SE','no_NO','cs_CZ','pl_PL','ko_KR']
total_time = 0
files.each do
  | scss_file_name |
 start_time = Time.now 
 has_locales = SASS_CSS.parse_locale(scss_file_name)
 if ( has_locales )
  puts " Compiling sass files for supported locales  "  + scss_file_name
  locales.each do
    |locale|
   SASS_CSS.compass(scss_file_name, locale)
  end
 else
  # no locale
   SASS_CSS.compass(scss_file_name, "");
 end
 end_time = Time.now
 total_time = total_time + (end_time - start_time )
end
puts " Compiling sass files to css took "  + total_time.to_s + " secs"