org.eclipse.xtext.conversion.impl.IgnoreCaseIDValueConverter.java Source code

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Here is the source code for org.eclipse.xtext.conversion.impl.IgnoreCaseIDValueConverter.java

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/*******************************************************************************
 * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
 * 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.eclipse.xtext.conversion.impl;

import java.util.Set;

import org.eclipse.xtext.Grammar;
import org.eclipse.xtext.GrammarUtil;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;

/**
 * @author Sebastian Zarnekow - Initial contribution and API
 */
public class IgnoreCaseIDValueConverter extends AbstractIDValueConverter {

    public IgnoreCaseIDValueConverter() {
        super();
    }

    @Override
    protected Set<String> computeValuesToEscape(Grammar grammar) {
        Set<String> result = Sets.newHashSet();
        for (String keyword : GrammarUtil.getAllKeywords(grammar))
            result.add(keyword.toLowerCase());
        return ImmutableSet.copyOf(result);
    }

    @Override
    protected boolean mustEscape(String value) {
        return getValuesToEscape().contains(value.toLowerCase());
    }
}