ctf/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/event/metadata/tsdl/event/EventNameParser.java

   1 /*******************************************************************************
   2  * Copyright (c) 2015 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *******************************************************************************/
   9
  10 package org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.event;
  11
  12 import static org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.TsdlUtils.concatenateUnaryStrings;
  13 import static org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.TsdlUtils.isAnyUnaryString;
  14
  15 import org.antlr.runtime.tree.CommonTree;
  16 import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ICommonTreeParser;
  17 import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ParseException;
  18
  19 /**
  20  * Parser for event names
  21  *
  22  * @author Matthew Khouzam
  23  *
  24  */
  25 public final class EventNameParser implements ICommonTreeParser {
  26     /**
  27      * Instance
  28      */
  29     public static final EventNameParser INSTANCE = new EventNameParser();
  30
  31     private EventNameParser() {
  32     }
  33
  34     @Override
  35     public String parse(CommonTree tree, ICommonTreeParserParameter param) throws ParseException {
  36         CommonTree firstChild = (CommonTree) tree.getChild(0);
  37
  38         if (isAnyUnaryString(firstChild)) {
  39             return concatenateUnaryStrings(tree.getChildren());
  40         }
  41         throw new ParseException("invalid value for event name"); //$NON-NLS-1$
  42     }
  43
  44 }