Examples of simplenlg.framework.DocumentElement

simplenlg.framework.DocumentElement

DocumentElement is a convenient extension of the base NLGElement class. It used to define elements that form part of the textual structure (documents, sections, paragraphs, sentences, lists). It essentially operates as the base class with the addition of some convenience methods for getting and setting features specific to this type of element.

TextElements can be structured in a tree-like structure where elements can contain child components. These child components can in turn contain other child components and so on. There are restrictions on the type of child components a particular element type can have. These are explained under the DocumentCategory enumeration.
Instances of this class can be created through the static create methods in the OrthographyProcessor.
@author D. Westwater, University of Aberdeen. @version 4.0


    // Set 'be' to 'was' as past tense
    clause.setFeature(Feature.TENSE,Tense.PAST);


    // Add the clause to a sentence.
    DocumentElement sentence1 = docFactory.createSentence(clause);


    // Realise the sentence
    NLGElement realised = this.realiser.realise(sentence1);


    // Retrieve the realisation and dump it to the console

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    // Set 'be' to 'was' as past tense
    clause.setFeature(Feature.TENSE,Tense.PAST);
    
    // Add the clause to a sentence.
    DocumentElement sentence1 = docFactory.createSentence(clause);


    // Realise the sentence
    NLGElement realised = this.realiser.realise(sentence1);


    // Retrieve the realisation and dump it to the console

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    PhraseElement theHouse = phraseFactory.createNounPhrase("the", "house");
    theHouse.addComplement(born);


    PhraseElement clause = phraseFactory.createClause(theHouse, "be", phraseFactory.createPrepositionPhrase("in", "Edinburgh"));
    DocumentElement sentence = docFactory.createSentence(clause);
    NLGElement realised = realiser.realise(sentence);
//    System.out.println(realised.getRealisation()); 


    // Retrieve the realisation and dump it to the console
    Assert.assertEquals("The house which Dave Bus was born in is in Edinburgh.",

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    PhraseElement theHouse = phraseFactory.createNounPhrase("the", "house");
    theHouse.addComplement(born);


    PhraseElement clause = phraseFactory.createClause(theHouse, "be", phraseFactory.createPrepositionPhrase("in", "Edinburgh"));
    DocumentElement sentence = docFactory.createSentence(clause);
    
    NLGElement realised = realiser.realise(sentence);
//    System.out.println(realised.getRealisation()); 


    // Retrieve the realisation and dump it to the console

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    // Possibly progressive as well not sure.
    outer.setFeature(Feature.PROGRESSIVE,true);
    
    //Outer clause postmodifier would be 'tomorrow'
    outer.addPostModifier("tomorrow");
    DocumentElement sentence = docFactory.createSentence(outer);
    NLGElement realised = realiser.realise(sentence);
//    System.out.println(realised.getRealisation()); 


    // Retrieve the realisation and dump it to the console
    Assert.assertEquals("The engineer whom I am making sentence for will be going to holidays tomorrow.",

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    outer.addPostModifier("since 1986");
    
    outer.setFeature(Feature.PASSIVE, true);
    outer.setFeature(Feature.PERFECT, true);
    
    DocumentElement sentence = docFactory.createSentence(outer);
    NLGElement realised = realiser.realise(sentence);
//    System.out.println(realised.getRealisation()); 


    // Retrieve the realisation and dump it to the console
    Assert.assertEquals("The house where I played poker has been abandoned since 1986.",

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    // 
    second.setFeature(Feature.COMPLEMENTISER, "when");
    
    first.addComplement(second);
    
    DocumentElement sentence = docFactory.createSentence(first);
    NLGElement realised = realiser.realise(sentence);
//    System.out.println(realised.getRealisation()); 


    // Retrieve the realisation and dump it to the console
    Assert.assertEquals("I was making sandwiches when the mayonnaise ran out.",

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  /**
   * Basic tests.
   */
  @Test
  public void testBasics() {
    DocumentElement s1 = this.phraseFactory.createSentence(p1);
    DocumentElement s2 = this.phraseFactory.createSentence(p2);
    DocumentElement s3 = this.phraseFactory.createSentence(p3);


    DocumentElement par1 = this.phraseFactory.createParagraph(Arrays
        .asList(s1, s2, s3));


    Assert.assertEquals("You are happy. I am sad. They are nervous.\n\n",
        this.realiser.realise(par1).getRealisation());

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  /**
   * test whether sents can be embedded in a section without intervening paras
   */
  @Test
  public void testEmbedding() {
    DocumentElement sent = phraseFactory.createSentence("This is a test");
    DocumentElement sent2 = phraseFactory.createSentence(phraseFactory
        .createClause("John", "be", "missing"));
    DocumentElement section = phraseFactory.createSection("SECTION TITLE");
    section.addComponent(sent);
    section.addComponent(sent2);


    Assert.assertEquals(
        "SECTION TITLE\nThis is a test.\n\nJohn is missing.\n\n",
        this.realiser.realise(section).getRealisation());
  }

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  }


  @Test
  public void testSections() {
    // doc which contains a section, and two paras
    DocumentElement doc = this.phraseFactory
        .createDocument("Test Document");


    DocumentElement section = this.phraseFactory
        .createSection("Test Section");
    doc.addComponent(section);


    DocumentElement para1 = this.phraseFactory.createParagraph();
    DocumentElement sent1 = this.phraseFactory
        .createSentence("This is the first test paragraph");
    para1.addComponent(sent1);
    section.addComponent(para1);


    DocumentElement para2 = this.phraseFactory.createParagraph();
    DocumentElement sent2 = this.phraseFactory
        .createSentence("This is the second test paragraph");
    para2.addComponent(sent2);
    section.addComponent(para2);


    Assert

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