1  class TranslationSupport
   2    class << self
   3      
   4      #Retrieve US word set
   5      def get_translation_keys(language_root, suffix=nil)
   6        (dummy_comments, words) = read_file("#{language_root}/en#{suffix}.yml", 'en')
   7        words
   8      end
   9      
  10      #Retrieve comments, translation data in hash form
  11      def read_file(filename, basename)
  12        (comments, data) = IO.read(filename).split(/\n#{basename}:\s*\n/)   #Add error checking for failed file read?
  13        return comments, create_hash(data, basename)
  14      end
  15      
  16      #Creates hash of translation data
  17      def create_hash(data, basename)
  18        words = Hash.new
  19        return words if !data
  20        parent = Array.new
  21        previous_key = 'base'
  22        data.split("\n").each do |w|
  23          next if w.strip.blank?
  24          (key, value) = w.split(':', 2)
  25          value ||= ''
  26          shift = (key =~ /\w/)/2 - parent.size                             #Determine level of current key in comparison to parent array
  27          key = key.sub(/^\s+/,'')
  28          parent << previous_key if shift > 0                               #If key is child of previous key, add previous key as parent
  29          (shift * -1).times { parent.pop } if shift < 0                      #If key is not related to previous key, remove parent keys
  30          previous_key = key                                                #Track key in case next key is child of this key
  31          words[parent.join(':') + ':' + key] = value unless key.blank?
  32        end
  33        words
  34      end
  35      
  36      def open_available_tags(filename)
  37        data = YAML::load(File.open("#{filename}"))
  38        data.to_s
  39      end
  40      
  41      #Writes to file from translation data hash structure
  42      def write_file(filename,basename,comments,words)
  43        File.open(filename, "w") do |log|
  44          log.puts(comments+"\n"+basename+": \n")
  45          words.sort.each do |k,v|
  46            keys = k.split(':')
  47            (keys.size-1).times { keys[keys.size-1] = '  ' + keys[keys.size-1] }   #Add indentation for children keys
  48            log.puts(keys[keys.size-1]+':'+v+"\n")
  49          end
  50        end
  51      end
  52      
  53    end
  54  en