X-Git-Url: https://git.hedgecode.org/?p=chesshog.git;a=blobdiff_plain;f=chesshog-format%2Fsrc%2Fmain%2Fjava%2Forg%2Fhedgecode%2Fchess%2Fpgn%2Ftoken%2FCommentToken.java;fp=chesshog-format%2Fsrc%2Fmain%2Fjava%2Forg%2Fhedgecode%2Fchess%2Fpgn%2Ftoken%2FCommentToken.java;h=660475a3c66ab0b23b0e66c63cc6e6933656ae49;hp=0000000000000000000000000000000000000000;hb=5d271f23371d6a435a0435f000370f4d9b8c621a;hpb=569af88b0115065e1a4551a20501bbd200fcba17 diff --git a/chesshog-format/src/main/java/org/hedgecode/chess/pgn/token/CommentToken.java b/chesshog-format/src/main/java/org/hedgecode/chess/pgn/token/CommentToken.java new file mode 100644 index 0000000..660475a --- /dev/null +++ b/chesshog-format/src/main/java/org/hedgecode/chess/pgn/token/CommentToken.java @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2018-2020. Developed by Hedgecode. + * + * 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.hedgecode.chess.pgn.token; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import org.hedgecode.chess.pgn.entity.Moves; +import org.hedgecode.chess.position.ParseException; + +/** + * CommentToken + * + * @author Dmitry Samoshin aka gotty + */ +public class CommentToken implements Token { + + private static final String COMMENT_REGEX = "^\\s*\\{([^}]+)\\}"; + private static final Pattern COMMENT_PATTERN = Pattern.compile(COMMENT_REGEX); + private static final int COMMENT_GROUP = 1; + + @Override + public int token(Moves moves, String pgn) throws ParseException { + Matcher matcher = COMMENT_PATTERN.matcher(pgn); + if (!matcher.find()) { + throw new ParseException("parse.pgn.incorrect.comment", pgn); + } else { + String comment = matcher.group(COMMENT_GROUP); + moves.currentMove().addComment(comment); + } + return matcher.group().length(); + } + +}