com.liferay.source.formatter.check.HTMLEmptyLinesCheck Maven / Gradle / Ivy
/**
* SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
* SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
*/
package com.liferay.source.formatter.check;
import com.liferay.petra.string.StringBundler;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import java.io.IOException;
/**
* @author Alan Huang
*/
public class HTMLEmptyLinesCheck extends BaseEmptyLinesCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content)
throws IOException {
content = fixEmptyLinesInMultiLineTags(content);
content = fixEmptyLinesInNestedTags(content);
content = fixEmptyLinesBetweenTags(content);
content = fixMissingEmptyLineAfterDoctype(content);
content = _fixMissingEmptyLineAroundSingleLineComment(content);
return content;
}
private String _fixMissingEmptyLineAroundSingleLineComment(String content)
throws IOException {
StringBundler sb = new StringBundler();
try (UnsyncBufferedReader unsyncBufferedReader =
new UnsyncBufferedReader(new UnsyncStringReader(content))) {
String line = null;
String previousLine = StringPool.BLANK;
while ((line = unsyncBufferedReader.readLine()) != null) {
String trimmedLine = StringUtil.trim(line);
if ((trimmedLine.startsWith("") &&
Validator.isNotNull(previousLine)) ||
(previousLine.startsWith("") &&
Validator.isNotNull(line))) {
sb.append("\n");
}
sb.append(line);
sb.append("\n");
previousLine = trimmedLine;
}
}
if (sb.index() > 0) {
sb.setIndex(sb.index() - 1);
}
return sb.toString();
}
}