Module: Translate

Defined in:
lib/language.rb,
lib/translate.rb

Defined Under Namespace

Modules: Language Classes: Item, Translation

Constant Summary collapse

URL =

You can change default options below. Default settings translate from english to french without additional translations.

'http://www.wordreference.com/'
WIDTH =

Default width, can be overriden.

78
MIN_WIDTH = 
40
CONFIG_FILE = 
"translate.yml"

Instance Method Summary collapse

Instance Method Details

#config ⇒ Object

Load options from config file if exists.



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# File 'lib/translate.rb', line 182

def config
  if has_config_file?
    section = YAML::load(File.open(config_file_path))["translate"]
    return section.nil? ? {} : section.keys.inject({}) { |h, k| 
      h[k.to_sym] = section[k] 
      h
    }
  end
  {}
end

#config_file_path ⇒ Object

Define config file path.



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# File 'lib/translate.rb', line 194

def config_file_path
  File.join(home, CONFIG_FILE)
end

#has_config_file? ⇒ Boolean

Check if a config file has been set or not.



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# File 'lib/translate.rb', line 199

def has_config_file?
  File.readable?(config_file_path)
end

#home ⇒ Object

Try to return the home path using environement var. Home path is not set on the same var on unix & windows.



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# File 'lib/translate.rb', line 205

def home
  ENV['HOME'] || ENV['USERPROFILE']
end

#parse_command_line ⇒ Object

Parse the command line to register user’s options or display help or examples.



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# File 'lib/translate.rb', line 210

def parse_command_line
options = {}
  OptionParser.new do |@parser|
    @parser.banner = 'Usage: translate word [options]'

    @parser.on('-e', '--example', 'Show some examples.') do |option|
      puts "Examples :\n"
      puts "\t ./translate house (default translation from english to french)"
      puts "\t ./translate house -m (show additional translations)"
      puts "\t ./translate maison -f fr -t en (translate from french to english)"
      puts "\t ./translate -f fr -t en 'se moquer' (use single or double quote to escape multiple words)"
      exit
    end

    @parser.on('-f', '--from language', String, 'Define original language.') do |option|
      options[:from] = option
    end

    @parser.on('-l', '--language', 'Show supported languages / translations.') do |option|
    Translate::Language.available_translations
      exit
    end

    @parser.on('-m', '--more', 'Show additional translations.') do |option|
      options[:more] = option
    end

    @parser.on('-t', '--to language', String, 'Define destination language.') do |option|
      options[:to] = option
    end
    
  @parser.on('-w', '--width number', String, "Define width, min width is #{MIN_WIDTH}.") do |option|
      options[:width] = option
    end

    @parser.on('-v', '--version', String, 'Show version.') do |option|
      puts "translate 0.2 Martin Catty <[email protected]>"
      exit
    end

    @parser.on_tail('-h', '--help', 'Show this message.') do
      puts @parser
      exit
    end
    begin
      @parser.parse!(ARGV)
    expression = ARGV.empty? ? "" : ARGV.shift.strip
    return Translation.new(expression, Translation::OPTIONS.merge(config).merge(options))
    rescue
    puts $!
      puts @parser
      exit
    end
  end
end

#translate ⇒ Object

Call the above methods to show results.



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# File 'lib/translate.rb', line 268

def translate
  trap(:INT) { puts "Bye." ; exit }
  translation = parse_command_line
  translation.translate
  translation.errors.empty? ? translation.print : translation.print_errors
end