com.liferay.source.formatter.check.PropertiesSQLStylingCheck Maven / Gradle / Ivy

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Liferay Source Formatter
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/**
 * 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 com.liferay.source.formatter.check.util.SourceUtil;

import java.io.IOException;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Alan Huang
 */
public class PropertiesSQLStylingCheck extends BaseFileCheck {

	@Override
	protected String doProcess(
			String fileName, String absolutePath, String content)
		throws IOException {

		if (!fileName.endsWith("/test.properties")) {
			return content;
		}

		Matcher matcher = _sqlPattern1.matcher(content);

		outerLoop:
		while (matcher.find()) {
			String originalSqlClauses = matcher.group(2);

			String sqlClauses = originalSqlClauses.replaceAll("\\\\\n *", "");

			sqlClauses = sqlClauses.replaceAll("\\( +\\(", "((");
			sqlClauses = sqlClauses.replaceAll("\\) +\\)", "))");

			int x = sqlClauses.indexOf("(");

			if (x == -1) {
				continue;
			}

			int y = x;
			String s = StringPool.BLANK;

			while (true) {
				y = sqlClauses.indexOf(")", y + 1);

				if (y == -1) {
					continue outerLoop;
				}

				s = sqlClauses.substring(x, y + 1);

				int level = getLevel(s);

				if (level != 0) {
					continue;
				}

				sqlClauses = StringUtil.replaceFirst(
					sqlClauses, s, _removeRedundantParenthesis(s), x);

				x = sqlClauses.indexOf("(", x + 1);

				if (x == -1) {
					break;
				}

				y = x;
			}

			sqlClauses = StringUtil.replace(sqlClauses, " AND ", " AND \\\n");
			sqlClauses = StringUtil.replace(sqlClauses, " OR ", " OR \\\n");

			sqlClauses = _addParenthesis(sqlClauses);

			sqlClauses = _checkIndentation(sqlClauses);

			sqlClauses = _sort(sqlClauses);

			sqlClauses = "\\\n" + sqlClauses;

			if (originalSqlClauses.endsWith("\\\n")) {
				sqlClauses = sqlClauses + "\n";
			}

			if (!sqlClauses.equals(originalSqlClauses)) {
				return StringUtil.replaceFirst(
					content, originalSqlClauses, sqlClauses, matcher.start(2));
			}
		}

		return content;
	}

	private String _addParenthesis(String sqlClauses) throws IOException {
		StringBundler sb = new StringBundler();

		try (UnsyncBufferedReader unsyncBufferedReader =
				new UnsyncBufferedReader(new UnsyncStringReader(sqlClauses))) {

			String line = StringPool.BLANK;

			while ((line = unsyncBufferedReader.readLine()) != null) {
				line = StringUtil.trimLeading(line);

				if (line.startsWith("(") || line.startsWith(")")) {
					sb.append(line);
					sb.append("\n");

					continue;
				}

				int x = StringUtil.indexOfAny(
					line, new String[] {" AND \\", " OR \\"});

				if (x == -1) {
					x = line.lastIndexOf("\\");
				}

				if (x == -1) {
					sb.append("(");
					sb.append(line);
					sb.append(")");
					sb.append("\n");

					continue;
				}

				sb.append("(");
				sb.append(line.substring(0, x));
				sb.append(")");
				sb.append(line.substring(x));
				sb.append("\n");
			}
		}

		if (sb.index() > 0) {
			sb.setIndex(sb.index() - 1);
		}

		return sb.toString();
	}

	private String _checkIndentation(String sqlClauses) throws IOException {
		StringBundler sb = new StringBundler();

		try (UnsyncBufferedReader unsyncBufferedReader =
				new UnsyncBufferedReader(new UnsyncStringReader(sqlClauses))) {

			int level = 2;

			String line = StringPool.BLANK;

			while ((line = unsyncBufferedReader.readLine()) != null) {
				line = line.replaceFirst("^\\( *(\\(.+\\)) *\\)$", "$1");

				sb.append(_fixIndentation(line, level));

				sb.append("\n");

				level += getLevel(line, "(", ")");
			}
		}

		if (sb.index() > 0) {
			sb.setIndex(sb.index() - 1);
		}

		return sb.toString();
	}

	private int _compareTo(String sqlClause, String nextSQLClause) {
		if (sqlClause.endsWith("\")") && nextSQLClause.endsWith("\")")) {
			sqlClause = sqlClause.substring(0, sqlClause.length() - 2);
			nextSQLClause = nextSQLClause.substring(
				0, nextSQLClause.length() - 2);
		}

		return sqlClause.compareTo(nextSQLClause);
	}

	private String _fixIndentation(String line, int level) {
		String trimmedLine = StringUtil.trim(line);

		if (Validator.isNull(trimmedLine)) {
			return StringPool.BLANK;
		}

		StringBundler sb = new StringBundler();

		for (int i = 0; i < level; i++) {
			if ((i == (level - 1)) && trimmedLine.startsWith(")")) {
				break;
			}

			sb.append(StringPool.FOUR_SPACES);
		}

		sb.append(trimmedLine);

		return sb.toString();
	}

	private String _getSQLClause(String line) {
		Matcher matcher = _sqlPattern2.matcher(line);

		if (matcher.find()) {
			return matcher.group(1);
		}

		return null;
	}

	private String _removeRedundantParenthesis(String sqlClause) {
		int x = -1;

		while (true) {
			x = StringUtil.indexOfAny(
				sqlClause, new String[] {" AND ", " OR "}, x + 1);

			if (x == -1) {
				break;
			}

			int level1 = getLevel(sqlClause.substring(0, x));
			int level2 = getLevel(sqlClause.substring(x));

			if ((level1 == 1) && (level2 == -1)) {
				sqlClause = StringUtil.insert(
					sqlClause, "\\\n", sqlClause.length() - 1);
				sqlClause = StringUtil.insert(sqlClause, "\\\n", 1);

				return sqlClause;
			}
		}

		if (sqlClause.startsWith("((")) {
			return _removeRedundantParenthesis(
				sqlClause.substring(1, sqlClause.length() - 1));
		}

		return sqlClause;
	}

	private String _sort(String sqlClauses) {
		Matcher matcher = _sqlPattern2.matcher(sqlClauses);

		while (matcher.find()) {
			int lineNumber = getLineNumber(sqlClauses, matcher.start());

			if (Validator.isNull(matcher.group(4))) {
				continue;
			}

			String nextSQLClause = _getSQLClause(
				SourceUtil.getLine(sqlClauses, lineNumber + 1));

			if (nextSQLClause == null) {
				continue;
			}

			String sqlClause = matcher.group(1);

			if (_compareTo(sqlClause, nextSQLClause) > 0) {
				sqlClauses = StringUtil.replaceFirst(
					sqlClauses, nextSQLClause, sqlClause,
					getLineStartPos(sqlClauses, lineNumber + 1));

				return StringUtil.replaceFirst(
					sqlClauses, sqlClause, nextSQLClause,
					getLineStartPos(sqlClauses, lineNumber));
			}
		}

		return sqlClauses;
	}

	private static final Pattern _sqlPattern1 = Pattern.compile(
		"(?<=\\A|\n) +test\\.batch\\.run\\.property(\\.global)?\\.query.+]=" +
			"([\\s\\S]*?[^\\\\])(?=(\\Z|\n))");
	private static final Pattern _sqlPattern2 = Pattern.compile(
		"\\s(\\(.* ([!=]=|~) .+\\))( (AND|OR) )?(\\\\)?");

}