Class: Opener::ConstituentParser

Inherits:
Object
  • Object
show all
Defined in:
lib/opener/constituent_parser.rb,
lib/opener/constituent_parser/cli.rb,
lib/opener/constituent_parser/server.rb,
lib/opener/constituent_parser/version.rb

Overview

Constituent parser for various languages such as English and German.

Defined Under Namespace

Classes: CLI, Server

Constant Summary collapse

DEFAULT_OPTIONS =

Hash containing the default options to use.

Returns:

  • (Hash) 
{
  :args => [],
}.freeze
VERSION = 
'2.0.1'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ConstituentParser

Returns a new instance of ConstituentParser.

Parameters:

  • options (Hash) (defaults to: {})

See Also:

  • Opener::ConstituentParsers::Base#initialize


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# File 'lib/opener/constituent_parser.rb', line 34

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

Instance Attribute Details

#options ⇒ Hash (readonly)

Returns:

  • (Hash) 


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# File 'lib/opener/constituent_parser.rb', line 18

class ConstituentParser
  attr_reader :options

  ##
  # Hash containing the default options to use.
  #
  # @return [Hash]
  #
  DEFAULT_OPTIONS = {
    :args => [],
  }.freeze

  ##
  # @param [Hash] options
  # @see Opener::ConstituentParsers::Base#initialize
  #
  def initialize(options = {})
    @options = DEFAULT_OPTIONS.merge(options)
  end

  ##
  # Processes the input KAF document and returns a new KAF document as a
  # String.
  #
  # @param [String] input
  # @return [String]
  #
  def run(input)
    args     = options[:args].dup
    language = language(input)

    if language_constant_defined?(language)
      kernel = language_constant(language).new(:args => args)
    else
      kernel = ConstituentParsers::Base.new(
        :args     => args,
        :language => language
      )
    end

    return kernel.run(input)
  end

  protected

  ##
  # Returns `true` if the current language has a dedicated kernel class.
  #
  # @return [TrueClass|FalseClass]
  #
  def language_constant_defined?(language)
    return ConstituentParsers.const_defined?(language.upcase)
  end

  ##
  # @return [Class]
  #
  def language_constant(language)
    return ConstituentParsers.const_get(language.upcase)
  end

  ##
  # @return the language from the KAF
  #
  def language(input)
    document = Nokogiri::XML(input)
    language = document.at('KAF').attr('xml:lang')

    return language
  end
end

Instance Method Details

#run(input) ⇒ String

Processes the input KAF document and returns a new KAF document as a String.

Parameters:

  • input (String)

Returns:

  • (String) 


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# File 'lib/opener/constituent_parser.rb', line 45

def run(input)
  args     = options[:args].dup
  language = language(input)

  if language_constant_defined?(language)
    kernel = language_constant(language).new(:args => args)
  else
    kernel = ConstituentParsers::Base.new(
      :args     => args,
      :language => language
    )
  end

  return kernel.run(input)
end