Class: I18nPoTools::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/i18n_po_tools/cli.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.start ⇒ Object 



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# File 'lib/i18n_po_tools/cli.rb', line 153

def self.start
  new.start
end

Instance Method Details

#check_options(options) ⇒ Object 



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# File 'lib/i18n_po_tools/cli.rb', line 89

def check_options(options)
  if options[:input_format].blank?
    if options[:input_filename].present?
      ext = File.extname(options[:input_filename])[1..-1].to_sym
      options[:input_format] = EXT_TO_FORMAT[ext]
      if options[:input_format].blank?
        STDERR.puts "ERROR: unknown input format, please define it manually."
        exit(1)
      end
    else
      STDERR.puts "ERROR: input format should be defined for STDIN stream."
      exit(1)
    end
  end

  if options[:output_format].blank?
    if options[:output_filename].present?
      ext = File.extname(options[:output_filename])[1..-1].to_sym
      options[:output_format] = EXT_TO_FORMAT[ext]
      if options[:output_format].blank?
        STDERR.puts "ERROR: unknown output format, please define it manually."
        exit(1)
      end
    else
      STDERR.puts "ERROR: output format should be defined for STDOUT stream."
      exit(1)
    end
  end

  options[:input_format] = options[:input_format].to_sym
  options[:output_format] = options[:output_format].to_sym

  if options[:output_format] == :po
    if options[:base_filename].blank?
      STDERR.puts "ERROR: base filename should be defined for po output mode."
      exit(1)
    end
    if options[:language].blank?
      STDERR.puts "ERROR: language should be defined for po output mode."
      exit(1)
    end
  else
    if options[:base_filename].present?
      STDERR.puts "WARNING: base filename is not used in this mode."
    end
    if options[:output_format] == :rails_yaml
      if options[:language].blank?
        STDERR.puts "ERROR: language should be defined for rails_yaml output mode."
        exit(1)
      end
    else
      if options[:language].present?
        STDERR.puts "WARNING: language is not used in this mode."
      end
    end
  end


  if options[:input_format] == options[:output_format]
    STDERR.puts "ERROR: same format, just use copy command."
    exit(1)
  end
end

#parse_options(options) ⇒ Object 



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# File 'lib/i18n_po_tools/cli.rb', line 6

def parse_options(options)
  opt_parser = OptionParser.new do |opt|
    opt.banner = "Usage: i18n-po [OPTIONS]"
    opt.separator  ""
    opt.separator  "Utils to convert translations from source formats to PO/POT Gettex and vise"
    opt.separator  "versa. It allows to separate translations from development of apps."
    opt.separator  ""
    opt.separator  "Supported input/output formats:"
    opt.separator  "* iOS and OS X String Resources"
    opt.separator  "* Android String XML"
    opt.separator  "* Gettext PO/POT"
    opt.separator  "* Rails YAML"
    opt.separator  "* Basic flat YAML"
    opt.separator  "* Java properties"
    opt.separator  "* CVS for easy exchange with other apps"
    opt.separator  ""
    opt.separator  "Direct converation between any formats supported."
    opt.separator  ""
    opt.separator  "Rails YAML and PO supports plural forms of messages."
    opt.separator  ""
    opt.separator  ""
    opt.separator  "Options"


    opt.on("-i","--input FILENAME","input filename (default STDIN)") do |input_filename|
      options[:input_filename] = input_filename
    end
    opt.on("-b","--base FILENAME","base language input filename (only for po output mode)") do |base_filename|
      options[:base_filename] = base_filename
    end
    opt.on("-o","--output FILENAME","output filename (default STDOUT)") do |output_filename|
      options[:output_filename] = output_filename
    end

    opt.on("-f","--from FORMAT", FORMATS, "input file format (default is autodetect by ext)", "(#{FORMATS.join(', ')})") do |input_format|
      options[:input_format] = input_format
    end

    opt.on("-t","--to FORMAT", FORMATS, "output file format (default is autodetect by ext)", "(#{FORMATS.join(', ')})") do |output_format|
      options[:output_format] = output_format
    end

    opt.on("-l","--language LANGUAGE","input file language (only for po or rails_yaml output mode)") do |language|
      options[:language] = language
    end

    opt.on("-h","--help","help") do
      puts opt_parser
      exit(0)
    end

    opt.separator  ""
    opt.separator  "Examples:"
    opt.separator  "1) First import (generation of PO file) from Rails YAML file:"
    opt.separator  "i18n-po --input   ~/projects/rails_app/config/locales/devise.en.yml --language en \\"
    opt.separator  "         --base ~/projects/rails_app/config/locales/devise.ru.yml \\"
    opt.separator  "         --output  ~/projects/translations/rails_app/devise.en.po"
    opt.separator  ""
    opt.separator  "2) Generation of translation template (POT file) from Rails YAML file:"
    opt.separator  "i18n-po --input ~/projects/rails_app/config/locales/devise.ru.yml \\"
    opt.separator  "         --output  ~/projects/translations/rails_app/devise.en.pot"
    opt.separator  ""
    opt.separator  "3) Generation of Rails YAML file from PO file:"
    opt.separator  "i18n-po --input   ~/projects/translations/rails_app/devise.en.po --language en \\"
    opt.separator  "         --output ~/projects/rails_app/config/locales/devise.en.yml"
    opt.separator  ""
    opt.separator  "4) Translation convertation from iOS to Android format:"
    opt.separator  "i18n-po --input   ~/projects/ios_app/Localizable.strings \\"
    opt.separator  "         --output ~/projects/android_app/en/strings.xml"
    opt.separator  ""
    opt.separator  "Homepage: http://github.com/stepin/i18n-po-tools"
    opt.separator  ""
  end

  opt_parser.parse!

  #default help
  if options.count == 0
    puts opt_parser
    exit(1)
  end
end

#start ⇒ Object 



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# File 'lib/i18n_po_tools/cli.rb', line 157

def start
  options = {}
  parse_options(options)
  check_options(options)

  reader = I18nPoTools::Formats::Factory.get(options[:input_format])
  writer = I18nPoTools::Formats::Factory.get(options[:output_format])

  input_data = reader.read_with_options(options[:input_filename], options, :input)
  base_data = nil
  if options[:output_format] == :po
    base_data = reader.read_with_options(options[:base_filename], options, :base)
  end
  writer.write_with_options(input_data, base_data, options)
end