001/*-------------------------------------------------------------------------+
002|                                                                          |
003| Copyright 2005-2011 the ConQAT Project                                   |
004|                                                                          |
005| Licensed under the Apache License, Version 2.0 (the "License");          |
006| you may not use this file except in compliance with the License.         |
007| You may obtain a copy of the License at                                  |
008|                                                                          |
009|    http://www.apache.org/licenses/LICENSE-2.0                            |
010|                                                                          |
011| Unless required by applicable law or agreed to in writing, software      |
012| distributed under the License is distributed on an "AS IS" BASIS,        |
013| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
014| See the License for the specific language governing permissions and      |
015| limitations under the License.                                           |
016+-------------------------------------------------------------------------*/
017package eu.cqse.check.framework.shallowparser.languages.cs;
018
019import java.util.List;
020
021import eu.cqse.check.framework.scanner.ETokenType;
022import eu.cqse.check.framework.scanner.IToken;
023import eu.cqse.check.framework.shallowparser.framework.ParserState;
024import eu.cqse.check.framework.shallowparser.framework.RecognizerBase;
025import eu.cqse.check.framework.shallowparser.languages.base.EGenericParserStates;
026
027/**
028 * Recognizer for array brackets as part of types, also dealing with multi-dim
029 * arrays, e.g. [], [,,] etc.
030 */
031public class ArrayBracketsRecognizer extends RecognizerBase<EGenericParserStates> {
032        /** {@inheritDoc} */
033        @Override
034        protected int matchesLocally(ParserState<EGenericParserStates> parserState, List<IToken> tokens, int startOffset) {
035                if (startOffset >= tokens.size() || tokens.get(startOffset).getType() != ETokenType.LBRACK) {
036                        return NO_MATCH;
037                }
038                for (int i = startOffset + 1; i < tokens.size(); i++) {
039                        ETokenType tokenType = tokens.get(i).getType();
040                        if (tokenType == ETokenType.RBRACK) {
041                                return i + 1;
042                        } else if (tokenType != ETokenType.COMMA) {
043                                return NO_MATCH;
044                        }
045                }
046                return NO_MATCH;
047        }
048}