AntlrSpecificationPartition.java

/*******************************************************************************
 * Copyright (c) 2007, 2008 Edgar Espina.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 
 *******************************************************************************/
package org.deved.antlride.internal.ui.text.partitions.rules;

import org.deved.antlride.common.ui.text.partitions.rules.AntlrBlockPartition;
import org.eclipse.jface.text.rules.ICharacterScanner;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.Token;

public abstract class AntlrSpecificationPartition extends AntlrBlockPartition {
  private String fSpecificationName;

  public AntlrSpecificationPartition(IToken successToken, String specificationName) {
    super(successToken);
    fSpecificationName = specificationName;
  }

  @Override
  protected IToken doEvaluate(ICharacterScanner scanner) {
    try {
      consumeWord(scanner);
      String text = getTextReaded();
      if (text.equals(fSpecificationName)) {
    	//debug = text.equals("tokens") || text.equals("options");
        int len1 = fCharsReaded;
        consumeWS(scanner);
        consumeOne(scanner);
        text = getTextReaded();
        if (text.equals("{")) {
          return doBlock(scanner);
        }
        unread(scanner, fCharsReaded - len1);
        return fSuccessToken;
      }
      unread(scanner);
      return Token.UNDEFINED;
    } finally {
    	//debugPartition();
    }
  }

}