MySemanticHighlightingCalculator.java

package gr.upatras.ece.wcl.radl2.ui;

import gr.upatras.ece.wcl.radl2.radl.RADL;
import gr.upatras.ece.wcl.radl2.radl.ResourceAdapter;
import gr.upatras.ece.wcl.radl2.radl.rulSSH_commands;
import gr.upatras.ece.wcl.radl2.radl.ruleHTTP;
import gr.upatras.ece.wcl.radl2.radl.ruleSSH;
import gr.upatras.ece.wcl.radl2.radl.scriptParam;

import java.util.Collection;
import java.util.HashSet;
import java.util.List;


import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.nodemodel.impl.AbstractNode;
import org.eclipse.xtext.nodemodel.impl.CompositeNode;
import org.eclipse.xtext.nodemodel.impl.LeafNode;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.ui.editor.syntaxcoloring.IHighlightedPositionAcceptor;
import org.eclipse.xtext.ui.editor.syntaxcoloring.ISemanticHighlightingCalculator;



public class MySemanticHighlightingCalculator implements ISemanticHighlightingCalculator {

	// Dummy-Highlighting
	  // of each block of 10 characters the last 5 are to be highlighted
	  // this is not semantic but very briefly illustrates what kind of
	  // information is processed

	@Override
	public void provideHighlightingFor(XtextResource resource,
			IHighlightedPositionAcceptor acceptor) {
		
		//System.out.println("provideHighlightingFor");
		
		if (resource == null)
			return;
			
//		if (resource.getContents().size() > 0) {
//			// fetch the model
//			RADL mradl = (RADL) resource.getContents().get(0);
//			ResourceAdapter m =mradl.getResourceAdapter();
//			//List<ConfigurationParam> confParams = m.getConfParams();
//			
//			if (m.getProtocol() instanceof ruleSSH){
//				ruleSSH rs = (ruleSSH)m.getProtocol();
//				if (rs==null)
//					return;
//				EList<rulSSH_commands> rulSSHs = rs.getCommands();
//
//				for (rulSSH_commands  sshs: rulSSHs){
//
//					List<scriptParam> scriptParams = sshs.getScriptparams();
//					for ( scriptParam sparam : scriptParams) {
//						//System.out.println("provideHighlightingFor sparam="+ sparam.getName());
//						String highlightID = MySemanticHighlightingConfiguration.DUMMYHL;
//						highlightFirstFeature(sparam, sparam.getName(), highlightID, acceptor);
//					}
//
//					//System.out.println("provideHighlightingFor sparam="+ sshs);
//					String highlightID = MySemanticHighlightingConfiguration.DUMMYHL;
//					getSSHFeatureNode(sshs, highlightID, acceptor);
//
//				}
//			}
//			
//			if (m.getProtocol() instanceof ruleHTTP){
//				ruleHTTP rs = (ruleHTTP)m.getProtocol();
//				if (rs==null)
//					return;
//				
//				NodeAdapter adapter = NodeUtil.getNodeAdapter(m);
//				  //System.out.println("adapter not null adapter="+adapter );
//				  if (adapter != null) {
//					  //System.out.println("adapter not null ="+adapter );
//					  CompositeNode node = adapter.getParserNode();
//					  if (node != null) {
//						  //System.out.println("node not null ="+node );
//						  
//						  for (INode child : node.getChildren()) {
//							  //System.out.println("child ="+child );
//							  if (child instanceof LeafNode) {
//								  if ( ("scriptparams".equals(((LeafNode) child).getFeature()  ))) {
//									  LeafNode nodetohighlight =(LeafNode) child;
//									  acceptor.addPosition(nodetohighlight.getOffset(), nodetohighlight.getLength(), MySemanticHighlightingConfiguration.DUMMYHL);
//							    	
//									  //return (LeafNode) child;
//								  }
//							  }
//						  }
//					  }
//				  }
//			}
//		}
		
	}
	
//	public LeafNode getSSHFeatureNode(rulSSH_commands semantic, String highlightID,IHighlightedPositionAcceptor acceptor ) {
//		  NodeAdapter adapter = NodeUtil.getNodeAdapter(semantic);
//		  //System.out.println("adapter not null adapter="+adapter );
//		  if (adapter != null) {
//			  //System.out.println("adapter not null ="+adapter );
//			  CompositeNode node = adapter.getParserNode();
//			  if (node != null) {
//				  //System.out.println("node not null ="+node );
//				  
//				  for (INode child : node.getChildren()) {
//					  //System.out.println("child ="+child );
//					  if (child instanceof LeafNode) {
//						  if ("scriptparams".equals(((LeafNode) child).getFeature()  )) {
//							  LeafNode nodetohighlight =(LeafNode) child;
//							  acceptor.addPosition(nodetohighlight.getOffset(), nodetohighlight.getLength(), highlightID);
//					    	
//							  //return (LeafNode) child;
//						  }
//					  }
//				  }
//			  }
//		  }
//		  return null;
//	  }
//	
//
//
//	  //helper method that takes care of highlighting the first feature element
//	  //of a semantic object using a given text style ID
//	  private void highlightFirstFeature(EObject semobject, String featurename,
//	      String highlightID, IHighlightedPositionAcceptor acceptor) {
//		    //System.out.println("highlightFirstFeature featurename=" + featurename);
//		    getFirstFeatureNode(semobject, featurename, highlightID, acceptor);
//	    
//	  }
//
//
//	// adapted from Sebastian Zarnekow's semantic highlighting implementation
//	  // navigate to the parse node corresponding to the semantic object and
//	  // fetch the leaf node that corresponds to the first feature with the given
//	  // name
//	  public LeafNode getFirstFeatureNode(EObject semantic, String feature, String highlightID,IHighlightedPositionAcceptor acceptor ) {
//		  NodeAdapter adapter = NodeUtil.getNodeAdapter(semantic);
//		  //System.out.println("adapter not null adapter="+adapter );
//		  if (adapter != null) {
//			  //System.out.println("adapter not null ="+adapter );
//			  CompositeNode node = adapter.getParserNode();
//			  if (node != null) {
//				  //System.out.println("node not null ="+node );
//				  if (feature == null)
//					  return null;
//				  for (INode child : node.getChildren()) {
//					  //System.out.println("child ="+child );
//					  if (child instanceof LeafNode) {
//						  if (feature.equals(((LeafNode) child).getText() )  ||
//								  ((LeafNode) child).getText().equals(  "\""+ feature +"\"" ) 
//								  ) {
//							  LeafNode nodetohighlight =(LeafNode) child;
//							  acceptor.addPosition(nodetohighlight.getOffset(), nodetohighlight.getLength(), highlightID);
//							  //return (LeafNode) child;
//						  }
//					  }
//				  }
//			  }
//		  }
//		  return null;
//	  }
//
//	  
//	  


}