/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.ruta.ide.ui;
import java.util.Iterator;
import java.util.List;
import org.apache.uima.ruta.ide.parser.ast.RutaModuleDeclaration;
import org.apache.uima.ruta.ide.ui.text.RutaTextTools;
import org.eclipse.dltk.ast.ASTListNode;
import org.eclipse.dltk.ast.ASTNode;
import org.eclipse.dltk.ast.declarations.Argument;
import org.eclipse.dltk.ast.declarations.MethodDeclaration;
import org.eclipse.dltk.ast.declarations.ModuleDeclaration;
import org.eclipse.dltk.ast.declarations.TypeDeclaration;
import org.eclipse.dltk.compiler.env.ISourceModule;
import org.eclipse.dltk.core.SourceParserUtil;
import org.eclipse.dltk.ui.editor.highlighting.HighlightedPosition;
import org.eclipse.dltk.ui.editor.highlighting.ISemanticHighlightingRequestor;
import org.eclipse.dltk.ui.editor.highlighting.SemanticHighlighting;
public class DefaultRutaSemanticHighlightingExtension implements
ISemanticHighlightingExtension {
private SemanticHighlighting[] highlightings = new SemanticHighlighting[] {
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_DECLARATION_DEFINITION_COLOR,
null, null),
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_FUNCTION_COLOR, null, null),
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_ACTION_COLOR, null, null),
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_CONDITION_COLOR, null, null),
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_STRING_COLOR, null, null),
new RutaTextTools.SH(RutaPreferenceConstants.EDITOR_VARIABLE_COLOR,
RutaPreferenceConstants.EDITOR_CONDITION_COLOR, null) };
public DefaultRutaSemanticHighlightingExtension() {
}
public HighlightedPosition[] calculatePositions(ASTNode node,
ISemanticHighlightingRequestor requestor) {
// Check Ruta procedures
if (node instanceof MethodDeclaration) {
MethodDeclaration m = (MethodDeclaration) node;
requestor.addPosition(m.getNameStart(), m.getNameEnd(), RutaPreferenceConstants.EDITOR_FUNCTION_COLOR);
}
if (node instanceof Argument) {
Argument m = (Argument) node;
requestor.addPosition(m.getNameStart(), m.getNameEnd(), RutaPreferenceConstants.EDITOR_VARIABLE_COLOR);
}
if (node instanceof TypeDeclaration) {
TypeDeclaration t = (TypeDeclaration) node;
List children;
// Handle base classes highlighting
ASTListNode s = t.getSuperClasses();
if (s != null && s.getChilds() != null) {
children = s.getChilds();
Iterator it = children.iterator();
while (it.hasNext()) {
ASTNode n = (ASTNode) it.next();
requestor.addPosition(n.sourceStart(), n.sourceEnd(), RutaPreferenceConstants.EDITOR_DECLARATION_DEFINITION_COLOR);
}
}
requestor.addPosition(t.getNameStart(), t.getNameEnd(), RutaPreferenceConstants.EDITOR_VARIABLE_COLOR);
}
return null;
}
public void processNode(ASTNode node, ISemanticHighlightingRequestor requestor) {
calculatePositions(node, requestor);
}
public SemanticHighlighting[] getHighlightings() {
return highlightings;
}
public void doOtherHighlighting(ISourceModule code,
final ISemanticHighlightingRequestor semanticHighlightingRequestor) {
ModuleDeclaration moduleDeclaration = SourceParserUtil
.getModuleDeclaration((org.eclipse.dltk.core.ISourceModule) (code.getModelElement()));
if (moduleDeclaration instanceof RutaModuleDeclaration) {
RutaModuleDeclaration md = (RutaModuleDeclaration) moduleDeclaration;
if (md != null) {
// do highlightings
}
}
}
}