com.liferay.source.formatter.checks.JSPLineBreakCheck Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.source.formatter.checks;
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.source.formatter.checks.util.JSPSourceUtil;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JSPLineBreakCheck extends LineBreakCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content)
throws Exception {
try (UnsyncBufferedReader unsyncBufferedReader =
new UnsyncBufferedReader(new UnsyncStringReader(content))) {
String line = null;
String previousLine = StringPool.BLANK;
int lineCount = 0;
while ((line = unsyncBufferedReader.readLine()) != null) {
lineCount++;
checkLineBreaks(line, previousLine, fileName, lineCount);
previousLine = line;
}
}
content = _fixRedundantLineBreaks(content);
return fixRedundantCommaInsideArray(content);
}
private String _fixRedundantLineBreaks(String content) {
Matcher matcher = _redundantLineBreakPattern1.matcher(content);
while (matcher.find()) {
if (!JSPSourceUtil.isJavaSource(content, matcher.start(1))) {
continue;
}
int x = matcher.start(1);
while (true) {
x = content.indexOf(StringPool.CLOSE_PARENTHESIS, x + 1);
if (x == -1) {
break;
}
String codeBlock = content.substring(matcher.start(1), x + 1);
if (codeBlock.contains("{\n")) {
break;
}
if (getLevel(codeBlock) != 0) {
continue;
}
String codeSingleLine = StringUtil.replace(
codeBlock, new String[] {StringPool.TAB, ",\n", "\n"},
new String[] {StringPool.BLANK, ", ", StringPool.BLANK});
return StringUtil.replaceFirst(
content, codeBlock, codeSingleLine, matcher.start(1));
}
}
matcher = _redundantLineBreakPattern2.matcher(content);
while (matcher.find()) {
if (JSPSourceUtil.isJavaSource(content, matcher.start())) {
return StringUtil.replaceFirst(
content, matcher.group(1), StringPool.SPACE,
matcher.start());
}
}
return content;
}
private final Pattern _redundantLineBreakPattern1 = Pattern.compile(
"[\n\t][^/\n\t].*(\\(\n)");
private final Pattern _redundantLineBreakPattern2 = Pattern.compile(
"[\n\t][^/\n\t].*[|&](\n[\t ]*)");
}
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