/* * Copyright 2008, Unitils.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.unitils.dbmaintainer.script.parsingstate.impl; import org.unitils.dbmaintainer.script.parsingstate.ParsingState; import org.unitils.dbmaintainer.script.StatementBuilder; /** * A state for parsing an in-line comment (-- comment) part of a script. * * @author Tim Ducheyne * @author Filip Neven */ public class InLineCommentParsingState extends BaseParsingState { /** * The normal parsing state, that should be returned when the comment end is reached. */ protected ParsingState normalParsingState; /** * Initializes the state with the normal parsing state, that should be returned when the comment end is reached.. * * @param normalParsingState The normal state, not null */ public void init(ParsingState normalParsingState) { this.normalParsingState = normalParsingState; } /** * Determines whether the end of the line comment is reached. * If that is the case, the normal parsing state is returned. * * @param previousChar The previous char, 0 if none * @param currentChar The current char * @param nextChar The next char, 0 if none * @param statementBuilder The statement builder, not null * @return The next parsing state, null if the end of the statement is reached */ protected ParsingState getNextParsingState(char previousChar, char currentChar, char nextChar, StatementBuilder statementBuilder) { // check for ending chars if (currentChar == '\n' || currentChar == '\r') { return normalParsingState; } return this; } }