Class: YamlTranslate::Translator

Inherits:
Object
  • Object
show all
Defined in:
lib/yaml_translate/translator.rb

Overview

Class handling the translation

Constant Summary collapse

SUBSTITUTION_PLACE_HOLDER = 
'%---%'
SUBSTITUTION_PLACE_HOLDER_2 = 
'-.-.-'

Instance Method Summary collapse

Constructor Details

#initialize(from, to, yml) ⇒ Translator

Initializes a new YamlTranslate::Translator instance when provided with

  • from - the source language (e,g, ‘en’)

  • to - an Array containing the destinations languages (e.g. [‘de’, ‘fr’])

  • yml - the filename of the yaml-file to translate



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# File 'lib/yaml_translate/translator.rb', line 35

def initialize from, to, yml
  @from = from
  @to = to
  @yml = yml
  @translator = Google::Translator.new
end

Instance Method Details

#add_substitutions(translate_text) ⇒ Object 



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# File 'lib/yaml_translate/translator.rb', line 101

def add_substitutions(translate_text)
  # pull out all the string substitutions so that google doesn't translate those
  pattern = /\%.+?\%/ # non greedy pattern match so that we properly match strings like: "{{name}} on {{application_name}}"
  @replacements = translate_text.to_s.scan(pattern)
  translate_text.to_s.gsub!(pattern, SUBSTITUTION_PLACE_HOLDER)

  # Pull out all the translation blocks so Google doesn't mess with those
  pattern = /%\{.+?\}/
  @replacements2 = translate_text.to_s.scan(pattern)
  translate_text.to_s.gsub!(pattern, SUBSTITUTION_PLACE_HOLDER_2)
end

#remove_substitutions(translate_text) ⇒ Object 



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# File 'lib/yaml_translate/translator.rb', line 113

def remove_substitutions(translate_text)
  return '' if !translate_text
  @replacements.each do |r|
    translate_text.to_s.gsub!(SUBSTITUTION_PLACE_HOLDER, r)
  end
  @replacements2.each do |r|
    translate_text.to_s.gsub!(SUBSTITUTION_PLACE_HOLDER_2, r)
  end
end

#translate! ⇒ Object 



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# File 'lib/yaml_translate/translator.rb', line 42

def translate!
  raise "Yaml file #{@yml} not found" unless File.exist? @yml

  begin
    @to.each do |lang|
      puts "\nTranslating to '#{lang}'"
      translated_filename = File.join(File.dirname(@yml), "#{lang}.yml")
      source = YAML.load_file @yml
      @keys = source.keys.size
      @running = 0
      translate_keys(source, lang, @from)
      File.open(translated_filename, 'w') { |f| f.write(source.ya2yaml) }
    end
  rescue => e
    puts "\nTranslation process fucked up!!: #{e.backtrace}"
  end

  puts "\nDone, exiting"
end

#translate_keys(translate_hash, to, from) ⇒ Object 



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# File 'lib/yaml_translate/translator.rb', line 62

def translate_keys(translate_hash, to, from)
  if translate_hash.is_a?(String)
    add_substitutions(translate_hash)
    translate_hash = @translator.translate(from, to, translate_hash)[0]
    remove_substitutions(translate_hash)
  elsif translate_hash.is_a?(Array)
    translate_hash.map! { |x|
      if !x.nil? then
        @translator.translate(from, to, x)[0]
      else
        ""
      end }
  elsif translate_hash.is_a?(Hash)
    translate_hash.each_key do |key|
      next if translate_hash[key].is_a?(Fixnum)
      if translate_hash[key].is_a?(Hash) || translate_hash[key].is_a?(Array)
        translate_keys(translate_hash[key], to, from)
      else
        if key == false
          puts "Key #{key} was evaluated as false.  Check your yml file and be sure to escape values like no with 'no'.  ie 'no': 'No'"
        elsif key == true
          puts "Key #{key} was evaluated as true.  Check your yml file and be sure to escape values like yes with 'yes'. ie 'yes': 'Yes'"
        elsif !translate_hash[key].nil?
          add_substitutions(translate_hash[key])
          @running += 1
          print "#{@running}/#{@keys}\r"
          #print "[#{key}] #{translate_hash[key]} : "
          res = @translator.translate(from, to, translate_hash[key])[0]
          translate_hash[key] = res
          #print " #{res}\n"
          remove_substitutions(translate_hash[key])
        else
          puts "Key #{key} contains no data"
        end
      end
    end
  end
end