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    
017    package org.jetbrains.jet.lang.parsing;
018    
019    import com.intellij.psi.tree.IElementType;
020    
021    public 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    }