X-Git-Url: https://git.hedgecode.org/?p=chesshog-scanner.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fhedgecode%2Fchess%2Fscanner%2Fregex%2Ftype%2FRegexBlockFinder.java;fp=src%2Fmain%2Fjava%2Forg%2Fhedgecode%2Fchess%2Fscanner%2Fregex%2Ftype%2FRegexBlockFinder.java;h=a8951d8bf73ee94367b2626a6f9b486f2ad15714;hp=0000000000000000000000000000000000000000;hb=9cfd5f43a9d43b931ea51aaba514e25ee50eedce;hpb=43e86c6691aa54c7c583902fbe72a0875e098a91 diff --git a/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexBlockFinder.java b/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexBlockFinder.java new file mode 100644 index 0000000..a8951d8 --- /dev/null +++ b/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexBlockFinder.java @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2019-2020. 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.scanner.regex.type; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import org.hedgecode.chess.scanner.ChessHogScannerConstants; +import org.hedgecode.chess.scanner.regex.AbstractRegexResult; +import org.hedgecode.chess.scanner.regex.RegexMatcher; +import org.hedgecode.chess.scanner.regex.RegexResult; + +/** + * RegexBlockFinder + * + * @author Dmitry Samoshin aka gotty + */ +public class RegexBlockFinder extends AbstractRegexResult implements RegexMatcher { + + private Pattern startPattern, endPattern; + private boolean isMatch; + private StringBuilder current; + private String key; + + public RegexBlockFinder(String startMatch, String endMatch) { + startPattern = Pattern.compile(startMatch); + endPattern = Pattern.compile(endMatch); + isMatch = false; + current = new StringBuilder(); + } + + @Override + public void match(String input) { + Matcher matcher = !isMatch ? startPattern.matcher(input) : endPattern.matcher(input); + if (matcher.find()) { + addCurrent(input); + if (isMatch) { + if (key != null) { + add(key, current.toString()); + } else { + add(current.toString()); + } + current = new StringBuilder(); + } else { + key = matcher.groupCount() > 0 ? matcher.group(1) : null; + } + isMatch = !isMatch; + } else { + if (isMatch) { + addCurrent(input); + } + } + } + + private void addCurrent(String input) { + current.append( + input + ).append( + ChessHogScannerConstants.CRLF + ); + } + + @Override + public RegexResult result() { + return this; + } + +}