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com.liferay.source.formatter.check.JSPWhitespaceCheck 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.CharPool;
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 java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JSPWhitespaceCheck extends WhitespaceCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content)
throws IOException {
content = _formatWhitespace(fileName, absolutePath, content);
content = _formatDirectivesWhitespace(content);
content = StringUtil.replace(
content,
new String[] {
"@page import", "@tag import", "\"%>", ")%>", "javascript: ",
"){\n", "\n\n\n"
},
new String[] {
"@ page import", "@ tag import", "\" %>", ") %>", "javascript:",
") {\n", "\n\n"
});
Matcher matcher = _closingTagPattern.matcher(content);
return matcher.replaceAll("$1 $2");
}
@Override
protected String formatDoubleSpace(String line) {
String trimmedLine = StringUtil.trim(line);
if (trimmedLine.startsWith(StringPool.DOUBLE_SLASH) ||
trimmedLine.startsWith(StringPool.POUND) ||
trimmedLine.startsWith(StringPool.STAR)) {
return line;
}
Matcher matcher = _javaSourceInsideJSPLinePattern.matcher(line);
while (matcher.find()) {
String group = matcher.group();
line = StringUtil.replace(
line, group, super.formatDoubleSpace(group));
}
return super.formatDoubleSpace(line);
}
private String _formatDirectivesWhitespace(String content) {
Matcher matcher = _directiveLinePattern.matcher(content);
while (matcher.find()) {
String directiveLine = matcher.group();
String newDirectiveLine = formatIncorrectSyntax(
directiveLine, " =", "=", false);
newDirectiveLine = formatIncorrectSyntax(
newDirectiveLine, "= ", "=", false);
if (!directiveLine.equals(newDirectiveLine)) {
content = StringUtil.replace(
content, directiveLine, newDirectiveLine);
}
}
return content.replaceAll(
"(\\s(page|taglib))\\s+((import|uri)=)", "$1 $3");
}
private String _formatWhitespace(String line, boolean javaSource) {
String trimmedLine = StringUtil.trimLeading(line);
line = formatWhitespace(line, trimmedLine, javaSource);
if (javaSource) {
return line;
}
Matcher matcher = _javaSourceInsideJSPLinePattern.matcher(line);
while (matcher.find()) {
String linePart = matcher.group(1);
if (!linePart.startsWith(StringPool.SPACE)) {
return StringUtil.replace(
line, matcher.group(), "<%= " + linePart + "%>");
}
if (!linePart.endsWith(StringPool.SPACE)) {
return StringUtil.replace(
line, matcher.group(), "<%=" + linePart + " %>");
}
line = formatWhitespace(line, linePart, true);
}
return line;
}
private String _formatWhitespace(
String fileName, String absolutePath, String content)
throws IOException {
StringBundler sb = new StringBundler();
try (UnsyncBufferedReader unsyncBufferedReader =
new UnsyncBufferedReader(new UnsyncStringReader(content))) {
String line = null;
boolean javaSource = false;
boolean jsSource = false;
while ((line = unsyncBufferedReader.readLine()) != null) {
if (!fileName.endsWith("/jsonws/action.jsp")) {
line = trimLine(fileName, absolutePath, line);
}
String trimmedLine = StringUtil.trimLeading(line);
if (trimmedLine.equals("<%") || trimmedLine.equals("<%!")) {
javaSource = true;
}
else if (trimmedLine.equals("%>")) {
javaSource = false;
}
else if (trimmedLine.equals("") ||
trimmedLine.startsWith("") ||
trimmedLine.startsWith("")) {
jsSource = false;
}
if (jsSource && !javaSource) {
if (line.contains("<%=") && line.contains("%>")) {
line = _formatWhitespace(line, javaSource);
}
sb.append(line);
sb.append("\n");
continue;
}
if (!trimmedLine.startsWith("%>") && line.contains("%>") &&
!line.contains("--%>") && !line.contains(" %>")) {
line = StringUtil.replace(line, "%>", " %>");
}
int pos = -1;
while (true) {
pos = line.indexOf("<%=", pos + 1);
if ((pos == -1) || ((pos + 3) == line.length())) {
break;
}
if (line.charAt(pos + 3) != CharPool.SPACE) {
line = StringUtil.replaceFirst(
line, "<%=", "<%= ", pos);
}
}
if (trimmedLine.startsWith(StringPool.DOUBLE_SLASH) ||
trimmedLine.startsWith(StringPool.STAR)) {
sb.append(line);
sb.append("\n");
continue;
}
if (!javaSource) {
line = formatIncorrectSyntax(line, "\t ", "\t", false);
}
line = _formatWhitespace(line, javaSource);
if (line.endsWith(">")) {
if (line.endsWith("/>")) {
if (!trimmedLine.equals("/>") &&
!line.endsWith(" />")) {
line = StringUtil.replaceLast(line, "/>", " />");
}
}
else if (line.endsWith(" >")) {
line = StringUtil.replaceLast(line, " >", ">");
}
}
while (trimmedLine.contains(StringPool.TAB)) {
line = StringUtil.replaceLast(
line, CharPool.TAB, StringPool.SPACE);
trimmedLine = StringUtil.replaceLast(
trimmedLine, CharPool.TAB, StringPool.SPACE);
}
line = formatSelfClosingTags(line);
sb.append(line);
sb.append("\n");
}
}
content = sb.toString();
if (content.endsWith("\n")) {
content = content.substring(0, content.length() - 1);
}
return content;
}
private static final Pattern _closingTagPattern = Pattern.compile(
"(<[\\w:]+)(/>)");
private static final Pattern _directiveLinePattern = Pattern.compile(
"<%@\n?.*%>");
private static final Pattern _javaSourceInsideJSPLinePattern =
Pattern.compile("<%=(.+?)%>");
}
