Class: Opener::Tokenizer
- Inherits:
-
Object
- Object
- Opener::Tokenizer
- Defined in:
- lib/opener/tokenizer.rb,
lib/opener/tokenizer/cli.rb,
lib/opener/tokenizer/server.rb,
lib/opener/tokenizer/version.rb
Overview
Primary tokenizer class that delegates the work to the various language specific tokenizers.
Defined Under Namespace
Constant Summary collapse
- DEFAULT_LANGUAGE =
The default language to use when no custom one is specified.
'en'.freeze
- DEFAULT_OPTIONS =
Hash containing the default options to use.
{ :args => [], :kaf => true, :language => DEFAULT_LANGUAGE }.freeze
- VERSION =
"1.1.2"
Instance Attribute Summary collapse
- #options ⇒ Hash readonly
Instance Method Summary collapse
-
#initialize(options = {}) ⇒ Tokenizer
constructor
A new instance of Tokenizer.
-
#run(input) ⇒ Array
(also: #tokenize)
Processes the input and returns an array containing the output of STDOUT, STDERR and an object containing process information.
Constructor Details
#initialize(options = {}) ⇒ Tokenizer
Returns a new instance of Tokenizer.
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# File 'lib/opener/tokenizer.rb', line 49 def initialize( = {}) @options = DEFAULT_OPTIONS.merge() end |
Instance Attribute Details
#options ⇒ Hash (readonly)
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# File 'lib/opener/tokenizer.rb', line 18 class Tokenizer attr_reader :options ## # The default language to use when no custom one is specified. # # @return [String] # DEFAULT_LANGUAGE = 'en'.freeze ## # Hash containing the default options to use. # # @return [Hash] # DEFAULT_OPTIONS = { :args => [], :kaf => true, :language => DEFAULT_LANGUAGE }.freeze ## # @param [Hash] options # # @option options [Array] :args Collection of arbitrary arguments to pass # to the individual tokenizer commands. # @option options [String] :language The language to use for the # tokenization process. # @option options [TrueClass|FalseClass] :kaf When set to `true` the input # is assumed to be KAF. # def initialize( = {}) @options = DEFAULT_OPTIONS.merge() end ## # Processes the input and returns an array containing the output of STDOUT, # STDERR and an object containing process information. # # @param [String] input # @return [Array] # def run(input) begin if [:kaf] language, input = kaf_elements(input) else language = [:language] end unless valid_language?(language) raise ArgumentError, "The specified language (#{language}) is invalid" end kernel = language_constant(language).new(:args => [:args]) stdout, stderr, process = Open3.capture3(*kernel.command.split(" "), :stdin_data => input) raise stderr unless process.success? return stdout rescue Exception => error return Opener::Core::ErrorLayer.new(input, error., self.class).add end end alias tokenize run private ## # Returns an Array containing the language an input from a KAF document. # # @param [String] input The KAF document. # @return [Array] # def kaf_elements(input) document = Nokogiri::XML(input) language = document.at('KAF').attr('xml:lang') text = document.at('raw').text return language, text end ## # @param [String] language # @return [Class] # def language_constant(language) Opener::Tokenizers.const_get(language.upcase) end ## # @return [TrueClass|FalseClass] # def valid_language?(language) return Opener::Tokenizers.const_defined?(language.upcase) end end |
Instance Method Details
#run(input) ⇒ Array Also known as: tokenize
Processes the input and returns an array containing the output of STDOUT, STDERR and an object containing process information.
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# File 'lib/opener/tokenizer.rb', line 60 def run(input) begin if [:kaf] language, input = kaf_elements(input) else language = [:language] end unless valid_language?(language) raise ArgumentError, "The specified language (#{language}) is invalid" end kernel = language_constant(language).new(:args => [:args]) stdout, stderr, process = Open3.capture3(*kernel.command.split(" "), :stdin_data => input) raise stderr unless process.success? return stdout rescue Exception => error return Opener::Core::ErrorLayer.new(input, error., self.class).add end end |