001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.lang.parsing;
018
019import com.intellij.psi.tree.IElementType;
020
021public class TruncatedSemanticWhitespaceAwarePsiBuilder extends SemanticWhitespaceAwarePsiBuilderAdapter {
022
023    private final int myEOFPosition;
024
025
026    public TruncatedSemanticWhitespaceAwarePsiBuilder(SemanticWhitespaceAwarePsiBuilder builder, int eofPosition) {
027        super(builder);
028        this.myEOFPosition = eofPosition;
029    }
030
031    @Override
032    public boolean eof() {
033        if (super.eof()) return true;
034        return myEOFPosition >= 0 && getCurrentOffset() >= myEOFPosition;
035    }
036
037    @Override
038    public String getTokenText() {
039        if (eof()) return null;
040        return super.getTokenText();
041    }
042
043    @Override
044    public IElementType getTokenType() {
045        if (eof()) return null;
046        return super.getTokenType();
047    }
048
049}