class JsSpeechRecognition

Public Class Methods

new(lang: 'en-GB') click to toggle source

# File lib/jsspeech2019.rb, line 13
def initialize(lang: 'en-GB')
  @lang = lang
end

Public Instance Methods

to_css() click to toggle source

# File lib/jsspeech2019.rb, line 69
def to_css()
  ''
end

to_html() click to toggle source

# File lib/jsspeech2019.rb, line 17
  def to_html()
    
<<HTML    
  <button id="start-button">Start Listening</button>
  <p><strong>You said:</strong> <em id="demo-echo">nothing yet</em>.</p>    
HTML
  end

to_js() click to toggle source

# File lib/jsspeech2019.rb, line 25
  def to_js()
    
<<JS
        function startListening() {
                var recognition = new (webkitSpeechRecognition || SpeechRecognition)();
                recognition.lang = '#{@lang}';
                recognition.interimResults = false;
                recognition.maxAlternatives = 1;
                recognition.start();

                [
                 'onaudiostart',
                 'onaudioend',
                 'onend',
                 'onerror',
                 'onnomatch',
                 'onresult',
                 'onsoundstart',
                 'onsoundend',
                 'onspeechend',
                 'onstart'
                ].forEach(function(eventName) {
                        recognition[eventName] = function(e) {
                                console.log(eventName, e);
                        };
                });

                document.querySelector('#start-button').innerHTML = 'Listening...';

                recognition.onend = function() {
                        document.querySelector('#start-button').innerHTML = 'Start Listening';
                };
                recognition.onresult = function() {
                        document.querySelector('#demo-echo').textContent = event.results[0][0].transcript;
                };
        };

        (function() {
                document.querySelector('#start-button').addEventListener('click', startListening);
        })();
JS

  end

to_webpage() click to toggle source

# File lib/jsspeech2019.rb, line 73
def to_webpage()

  a = RexleBuilder.build do |xml|
    xml.html do 
      xml.head do
        xml.title 'Speech Recognition'
        xml.meta name: "viewport", content: \
            "width=device-width, initial-scale=1"
        xml.style "\nbody {font-family: Arial;}\n\n" + to_css()
      end
      xml.body
    end
  end

  doc = Rexle.new(a)
  e = Rexle.new("<html>%s</html>" % to_html()).root
  
  e.children.each {|child| doc.root.element('body').add child }
  
  doc.root.element('body').add \
      Rexle::Element.new('script').add_text "\n" + 
      to_js().gsub(/^ +\/\/[^\n]+\n/,'')
  
  "<!DOCTYPE html>\n" + doc.xml(pretty: true, declaration: false)\
      .gsub(/<\/div>/,'\0' + "\n").gsub(/\n *<!--[^>]+>/,'')
  
end