Class: RubySpeech::SSML::Voice

Inherits:
Element
  • Object
show all
Includes:
XML::Language
Defined in:
lib/ruby_speech/ssml/voice.rb

Overview

The voice element is a production element that requests a change in speaking voice.

www.w3.org/TR/speech-synthesis/#S3.2.1

Constant Summary collapse

VALID_GENDERS = 
[:male, :female, :neutral].freeze
VALID_CHILD_TYPES = 
[Nokogiri::XML::Element, Nokogiri::XML::Text, String, Audio, Break, Emphasis, Mark, P, Phoneme, Prosody, S, SayAs, Sub, Voice].freeze

Instance Attribute Summary

Attributes included from GenericElement

#parent

Instance Method Summary collapse

Methods included from XML::Language

#language, #language=

Methods inherited from Element

module, namespace, root_element, #to_doc

Methods included from GenericElement

#+, #==, #base_uri, #base_uri=, #build, #children, #clone, #create_node, #embed, #eval_dsl_block, included, #inherit, #initialize, #inspect, #mass_assign, #method_missing, #namespace=, #namespace_href, #node, #nokogiri_children, #read_attr, #respond_to_missing?, #string, #to_s, #traverse, #version, #version=, #write_attr

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class RubySpeech::GenericElement

Instance Method Details

#<<(arg) ⇒ Object

Raises:



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# File 'lib/ruby_speech/ssml/voice.rb', line 117

def <<(arg)
  raise InvalidChildError, "A Voice can only accept String, Audio, Break, Emphasis, Mark, P, Phoneme, Prosody, SayAs, Sub, S, Voice as children" unless VALID_CHILD_TYPES.include? arg.class
  super
end

#age ⇒ Integer

Indicates the preferred age in years (since birth) of the voice to speak the contained text.

Returns:



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# File 'lib/ruby_speech/ssml/voice.rb', line 59

def age
  read_attr :age, :to_i
end

#age=(i) ⇒ Object

Parameters:

  • the age of the voice

Raises:



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# File 'lib/ruby_speech/ssml/voice.rb', line 68

def age=(i)
  raise ArgumentError, "You must specify a valid age (non-negative integer)" unless i.is_a?(Integer) && i >= 0
  self[:age] = i
end

#eql?(o) ⇒ Boolean

Returns:



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# File 'lib/ruby_speech/ssml/voice.rb', line 122

def eql?(o)
  super o, :language, :gender, :age, :variant, :name
end

#gender ⇒ Symbol

Indicates the preferred gender of the voice to speak the contained text. Enumerated values are: “male”, “female”, “neutral”.

Returns:



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# File 'lib/ruby_speech/ssml/voice.rb', line 40

def gender
  read_attr :gender, :to_sym
end

#gender=(g) ⇒ Object

Parameters:

  • the gender selected from VALID_GENDERS

Raises:



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# File 'lib/ruby_speech/ssml/voice.rb', line 49

def gender=(g)
  raise ArgumentError, "You must specify a valid gender (#{VALID_GENDERS.map(&:inspect).join ', '})" unless VALID_GENDERS.include? g
  self[:gender] = g
end

#name ⇒ String, ...

A processor-specific voice name to speak the contained text.

Returns:

  • the name or names of the voice



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# File 'lib/ruby_speech/ssml/voice.rb', line 97

def name
  names = read_attr :name
  return unless names
  names = names.split ' '
  case names.count
  when 0 then nil
  when 1 then names.first
  else names
  end
end

#name=(n) ⇒ Object

Parameters:

  • name or names of the voice. May be an array of names ordered from top preference down. The names must not contain any white space.



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# File 'lib/ruby_speech/ssml/voice.rb', line 111

def name=(n)
  # TODO: Raise ArgumentError if names contain whitespace
  n = n.join(' ') if n.is_a? Array
  self[:name] = n
end

#variant ⇒ Integer

Indicates a preferred variant of the other voice characteristics to speak the contained text. (e.g. the second male child voice).

Returns:



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# File 'lib/ruby_speech/ssml/voice.rb', line 78

def variant
  read_attr :variant, :to_i
end

#variant=(i) ⇒ Object

Parameters:

  • the variant of the voice

Raises:



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# File 'lib/ruby_speech/ssml/voice.rb', line 87

def variant=(i)
  raise ArgumentError, "You must specify a valid variant (positive integer)" unless i.is_a?(Integer) && i > 0
  self[:variant] = i
end