Class: Opener::LanguageIdentifier::CLI

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

Overview

CLI wrapper around Opener::LanguageIdentifier using OptionParser.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ CLI

Returns a new instance of CLI.

Parameters:

  • options (Hash) (defaults to: {}) 


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# File 'lib/opener/language_identifier/cli.rb', line 18

def initialize(options = {})
  @options = DEFAULT_OPTIONS.merge(options)

  @option_parser = OptionParser.new do |opts|
    opts.program_name   = 'language-identifier'
    opts.summary_indent = '  '

    opts.on('-v', '--version', 'Shows the current version') do
      show_version
    end

    opts.on('-k', '--[no-]kaf', 'Output the language as KAF') do |v|
      @options[:kaf] = v
    end

    opts.on('-p', '--probs', 'Provide probabilities, assumes --no-kaf') do
      @options[:kaf]   = false
      @options[:probs] = true
    end

    opts.on('-b', '--benchmark', 'Include benchmarking output') do
      @options[:benchmark] = true
    end

    opts.separator "\nExamples:\n\n  cat example_text.txt | \#{opts.program_name}    # Basic detection\n\nLanguages:\n\n  * ar  Arabic\n  * bg  Bulgarian\n  * bn  Bengali\n  * cs  Czech\n  * da  Danish\n  * de  German\n  * el  Greek\n  * en  English\n  * es  Spanish\n  * et  Estonian\n  * fa  Persian\n  * fi  Finnish\n  * fr  French\n  * gu  Gujarati\n  * he  Hebrew\n  * hi  Hindi\n  * hr  Croatian\n  * hu  Hungarian\n  * id  Indonesian\n  * it  Italian\n  * ja  Japanese\n  * kn  Kannada\n  * ko  Korean\n  * lt  Lithuanian\n  * lv  Latvian\n  * mk  Macedonian\n  * ml  Malayalam\n  * mr  Marathi\n  * ne  Nepali\n  * nl  Dutch\n  * no  Norwegian\n  * pa  Punjabi\n  * pl  Polish\n  * pt  Portuguese\n  * ro  Romanian\n  * ru  Russian\n  * sk  Slovak\n  * sl  Slovene\n  * so  Somali\n  * sq  Albanian\n  * sv  Swedish\n  * sw  Swahili\n  * ta  Tamil\n  * te  Telugu\n  * th  Thai\n  * tl  Tagalog\n  * tr  Turkish\n  * uk  Ukrainian\n  * ur  Urdu\n  * vi  Vietnamese\n  * zh-cn Simplified Chinese\n  * zh-tw Traditional Chinese\n    EOF\n\n    opts.separator \"\"\n    opts.separator \"Common options:\"\n    # No argument, shows at tail.  This will print an options summary.\n    # Try it and see!\n    opts.on_tail(\"-h\", \"--help\", \"Show this message.\") do\n      puts opts\n      exit\n    end\n  end\nend\n"

Instance Attribute Details

#option_parser ⇒ OptionParser (readonly)

Returns:

  • (OptionParser) 


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# File 'lib/opener/language_identifier/cli.rb', line 12

class CLI
  attr_reader :options, :option_parser

  ##
  # @param [Hash] options
  #
  def initialize(options = {})
    @options = DEFAULT_OPTIONS.merge(options)

    @option_parser = OptionParser.new do |opts|
      opts.program_name   = 'language-identifier'
      opts.summary_indent = '  '

      opts.on('-v', '--version', 'Shows the current version') do
        show_version
      end

      opts.on('-k', '--[no-]kaf', 'Output the language as KAF') do |v|
        @options[:kaf] = v
      end

      opts.on('-p', '--probs', 'Provide probabilities, assumes --no-kaf') do
        @options[:kaf]   = false
        @options[:probs] = true
      end

      opts.on('-b', '--benchmark', 'Include benchmarking output') do
        @options[:benchmark] = true
      end

      opts.separator "\nExamples:\n\n  cat example_text.txt | \#{opts.program_name}    # Basic detection\n\nLanguages:\n\n  * ar  Arabic\n  * bg  Bulgarian\n  * bn  Bengali\n  * cs  Czech\n  * da  Danish\n  * de  German\n  * el  Greek\n  * en  English\n  * es  Spanish\n  * et  Estonian\n  * fa  Persian\n  * fi  Finnish\n  * fr  French\n  * gu  Gujarati\n  * he  Hebrew\n  * hi  Hindi\n  * hr  Croatian\n  * hu  Hungarian\n  * id  Indonesian\n  * it  Italian\n  * ja  Japanese\n  * kn  Kannada\n  * ko  Korean\n  * lt  Lithuanian\n  * lv  Latvian\n  * mk  Macedonian\n  * ml  Malayalam\n  * mr  Marathi\n  * ne  Nepali\n  * nl  Dutch\n  * no  Norwegian\n  * pa  Punjabi\n  * pl  Polish\n  * pt  Portuguese\n  * ro  Romanian\n  * ru  Russian\n  * sk  Slovak\n  * sl  Slovene\n  * so  Somali\n  * sq  Albanian\n  * sv  Swedish\n  * sw  Swahili\n  * ta  Tamil\n  * te  Telugu\n  * th  Thai\n  * tl  Tagalog\n  * tr  Turkish\n  * uk  Ukrainian\n  * ur  Urdu\n  * vi  Vietnamese\n  * zh-cn Simplified Chinese\n  * zh-tw Traditional Chinese\n      EOF\n\n      opts.separator \"\"\n      opts.separator \"Common options:\"\n      # No argument, shows at tail.  This will print an options summary.\n      # Try it and see!\n      opts.on_tail(\"-h\", \"--help\", \"Show this message.\") do\n        puts opts\n        exit\n      end\n    end\n  end\n\n  ##\n  # @param [String] input\n  #\n  def run(input)\n    option_parser.parse!(options[:args])\n    identifier = LanguageIdentifier.new(options)\n\n    output = identifier.run(input)\n    puts output\n  end\n\n  private\n\n  ##\n  # Shows the help message and exits the program.\n  #\n  def show_help\n    abort option_parser.to_s\n  end\n\n  ##\n  # Shows the version and exits the program.\n  #\n  def show_version\n    abort \"\#{option_parser.program_name} v\#{VERSION} on \#{RUBY_DESCRIPTION}\"\n  end\nend\n"

#options ⇒ Hash (readonly)

Returns:

  • (Hash) 


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# File 'lib/opener/language_identifier/cli.rb', line 12

class CLI
  attr_reader :options, :option_parser

  ##
  # @param [Hash] options
  #
  def initialize(options = {})
    @options = DEFAULT_OPTIONS.merge(options)

    @option_parser = OptionParser.new do |opts|
      opts.program_name   = 'language-identifier'
      opts.summary_indent = '  '

      opts.on('-v', '--version', 'Shows the current version') do
        show_version
      end

      opts.on('-k', '--[no-]kaf', 'Output the language as KAF') do |v|
        @options[:kaf] = v
      end

      opts.on('-p', '--probs', 'Provide probabilities, assumes --no-kaf') do
        @options[:kaf]   = false
        @options[:probs] = true
      end

      opts.on('-b', '--benchmark', 'Include benchmarking output') do
        @options[:benchmark] = true
      end

      opts.separator "\nExamples:\n\n  cat example_text.txt | \#{opts.program_name}    # Basic detection\n\nLanguages:\n\n  * ar  Arabic\n  * bg  Bulgarian\n  * bn  Bengali\n  * cs  Czech\n  * da  Danish\n  * de  German\n  * el  Greek\n  * en  English\n  * es  Spanish\n  * et  Estonian\n  * fa  Persian\n  * fi  Finnish\n  * fr  French\n  * gu  Gujarati\n  * he  Hebrew\n  * hi  Hindi\n  * hr  Croatian\n  * hu  Hungarian\n  * id  Indonesian\n  * it  Italian\n  * ja  Japanese\n  * kn  Kannada\n  * ko  Korean\n  * lt  Lithuanian\n  * lv  Latvian\n  * mk  Macedonian\n  * ml  Malayalam\n  * mr  Marathi\n  * ne  Nepali\n  * nl  Dutch\n  * no  Norwegian\n  * pa  Punjabi\n  * pl  Polish\n  * pt  Portuguese\n  * ro  Romanian\n  * ru  Russian\n  * sk  Slovak\n  * sl  Slovene\n  * so  Somali\n  * sq  Albanian\n  * sv  Swedish\n  * sw  Swahili\n  * ta  Tamil\n  * te  Telugu\n  * th  Thai\n  * tl  Tagalog\n  * tr  Turkish\n  * uk  Ukrainian\n  * ur  Urdu\n  * vi  Vietnamese\n  * zh-cn Simplified Chinese\n  * zh-tw Traditional Chinese\n      EOF\n\n      opts.separator \"\"\n      opts.separator \"Common options:\"\n      # No argument, shows at tail.  This will print an options summary.\n      # Try it and see!\n      opts.on_tail(\"-h\", \"--help\", \"Show this message.\") do\n        puts opts\n        exit\n      end\n    end\n  end\n\n  ##\n  # @param [String] input\n  #\n  def run(input)\n    option_parser.parse!(options[:args])\n    identifier = LanguageIdentifier.new(options)\n\n    output = identifier.run(input)\n    puts output\n  end\n\n  private\n\n  ##\n  # Shows the help message and exits the program.\n  #\n  def show_help\n    abort option_parser.to_s\n  end\n\n  ##\n  # Shows the version and exits the program.\n  #\n  def show_version\n    abort \"\#{option_parser.program_name} v\#{VERSION} on \#{RUBY_DESCRIPTION}\"\n  end\nend\n"

Instance Method Details

#run(input) ⇒ Object

Parameters:

  • input (String) 


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# File 'lib/opener/language_identifier/cli.rb', line 118

def run(input)
  option_parser.parse!(options[:args])
  identifier = LanguageIdentifier.new(options)

  output = identifier.run(input)
  puts output
end