Textualmodeler example

PeopleResource.java

/**
 * 
 */
package hu.textualmodeler.parser.test;

import hu.textualmodeler.grammar.GrammarModel;
import hu.textualmodeler.grammar.Terminal;
import hu.textualmodeler.parser.AbstractTextualResource;
import hu.textualmodeler.parser.BasicFeatureResolver;
import hu.textualmodeler.parser.IFeatureResolver;
import hu.textualmodeler.parser.grammar.GrammarRegistry;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;

import people.Human;
import people.People;
import people.PeoplePackage;

/**
 * Resource implementation for "people" models
 *
 */
public class PeopleResource extends AbstractTextualResource {

	/**
	 * @param uri
	 */
	public PeopleResource(URI uri) {
		super(uri);
	}

	/* (non-Javadoc)
	 * @see hu.textualmodeler.parser.AbstractTextualResource#loadGrammar()
	 */
	@Override
	protected GrammarModel loadGrammar() {
		return GrammarRegistry.getInstance().getGrammar("people");
	}

	private static Human findByName(People people, String name){
		for(Human h : people.getPeople()){
			if (name.equals(h.getName())){
				return h;
			}
		}
		return null;
	}
	
	@Override
	protected IFeatureResolver createFeatureResolver() {
		return new BasicFeatureResolver(){
			@Override
			public Object resolve(EObject context, EStructuralFeature feature,
					Terminal terminal, String value) {
				
				if (PeoplePackage.eINSTANCE.getHuman_Father().equals(feature) || PeoplePackage.eINSTANCE.getHuman_Mother().equals(feature)){
					People p = (People) context.eContainer();
					return findByName(p, value);
				}
				
				return super.resolve(context, feature, terminal, value);
			}
		};
	}

}

PeopleResourceFactory.java

/**
 * 
 */
package hu.textualmodeler.parser.test;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.Resource.Factory;

/**
 * Resource factory implementation for "people" models
 *
 */
public class PeopleResourceFactory implements Factory {

	/* (non-Javadoc)
	 * @see org.eclipse.emf.ecore.resource.Resource.Factory#createResource(org.eclipse.emf.common.util.URI)
	 */
	@Override
	public Resource createResource(URI uri) {
		return new PeopleResource(uri);
	}

}

plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="hu.textualmodeler.grammars">
      <grammar
            id="people"
            model="people.grammar">
      </grammar>
   </extension>
   <extension
         point="org.eclipse.ui.editors">
      <editor
            class="hu.textualmodeler.editor.TextualModelEditor"
            default="false"
            extensions="people"
            id="hu.textualmodeler.parser.test.editor"
            name="People editor">
      </editor>
   </extension>
   <extension
         point="org.eclipse.emf.ecore.extension_parser">
      <parser
            class="hu.textualmodeler.parser.test.PeopleResourceFactory"
            type="people">
      </parser>
   </extension>

</plugin>