Replace remark with flexmark-java

.github/workflows/pr-verify.yml

@@ -20,10 +20,10 @@ jobs:
     steps:
     - name: Check out code 
       uses: actions/checkout@v4
-    - name: Set up JDK 8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'temurin'
         cache: 'maven'
     - name: Run Tests

.vscode/settings.json

@@ -12,4 +12,5 @@
 	"editor.tabSize": 4,
 	"editor.insertSpaces": false,
 	"java.compile.nullAnalysis.mode": "automatic",
+	"java.configuration.updateBuildConfiguration": "interactive",
 }

README.md

@@ -12,6 +12,8 @@ and can be used with any editor that supports the protocol, to offer good suppor
  * [Eclipse LSP4J](https://github.com/eclipse/lsp4j), the Java binding for the Language Server Protocol.
  * Xerces to manage XML Schema validation, completion and hover
 
+**LemMinX** requires a Java 11+ JVM to run.
+
 Features
 --------------
 

org.eclipse.lemminx/pom.xml

@@ -231,14 +231,30 @@
 			<version>2.0.2</version>
 		</dependency>
 		<dependency>
-			<groupId>com.kotcrab.remark</groupId>
-			<artifactId>remark</artifactId>
-			<version>1.0.0</version>
+			<groupId>com.vladsch.flexmark</groupId>
+			<artifactId>flexmark-html2md-converter</artifactId>
+			<version>0.64.8</version>
+			<!-- for versions >= 0.64.0, Java 11 is required -->
+			<exclusions>
+				<exclusion>
+					<groupId>com.vladsch.flexmark</groupId>
+					<artifactId>flexmark-jira-converter</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.jetbrains</groupId>
+					<artifactId>annotations</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-text</artifactId>
+			<version>1.10.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.jsoup</groupId>
 			<artifactId>jsoup</artifactId>
-			<version>1.14.2</version>
+			<version>1.17.1</version>
 		</dependency>
 		<dependency>
 			<groupId>xml-resolver</groupId>

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/commons/TreeLineTracker.java

@@ -242,7 +242,6 @@ private Node nodeByOffset(final int offset) throws BadLocationException {
 			if (node == null) {
 				fail(offset);
 			}
-
 			if (remaining < node.offset) {
 				node = node.left;
 			} else {

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/commons/config/ConfigurationItemEdit.java

@@ -22,7 +22,6 @@ public class ConfigurationItemEdit extends ConfigurationItem {
 	private Object value;
 	private ConfigurationItemEditType editType;
 	private ConfigurationItemValueKind valueKind;
-
 	public ConfigurationItemEdit () {
 		// Need explicit no-arg constructor for deserialization
 	}

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/utils/FilesUtils.java

@@ -237,9 +237,9 @@ private static String removeFileScheme(String fileURI, boolean removeLastSlash)
 	 * @return the given file Uri to a File.
 	 */
 	public static File toFile(String fileUri) {
-		String convertedUri = fileUri.replace("file:///", "file:/"); //$NON-NLS-1$//$NON-NLS-2$
-		convertedUri = convertedUri.replace("file://", "file:/"); //$NON-NLS-1$//$NON-NLS-2$
-		return new File(URI.create(convertedUri));
+		//String convertedUri = fileUri.replace("file:///", "file:/"); //$NON-NLS-1$//$NON-NLS-2$
+		//convertedUri = convertedUri.replace("file://", "file:/"); //$NON-NLS-1$//$NON-NLS-2$
+		return new File(URI.create(fileUri));
 	}
 
 	/**

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/utils/MarkdownConverter.java

@@ -12,19 +12,15 @@
  *******************************************************************************/
 package org.eclipse.lemminx.utils;
 
-import static org.apache.commons.lang3.StringEscapeUtils.unescapeJava;
-import static org.apache.commons.lang3.StringEscapeUtils.unescapeXml;
+import static org.apache.commons.text.StringEscapeUtils.unescapeJava;
+import static org.apache.commons.text.StringEscapeUtils.unescapeXml;
 
-import java.lang.reflect.Field;
-import java.util.logging.Logger;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
 
-import com.overzealous.remark.Options;
-import com.overzealous.remark.Options.FencedCodeBlocks;
-import com.overzealous.remark.Options.Tables;
-import com.overzealous.remark.Remark;
-
-import org.jsoup.safety.Cleaner;
-import org.jsoup.safety.Safelist;
+import com.vladsch.flexmark.html2md.converter.FlexmarkHtmlConverter;
 
 /**
  * Converts HTML content into Markdown equivalent.
@@ -33,46 +29,60 @@
  */
 public class MarkdownConverter {
 
-	private static final Logger LOGGER = Logger.getLogger(MarkdownConverter.class.getName());
-
-	private static Remark remark;
+	private static final FlexmarkHtmlConverter CONVERTER = FlexmarkHtmlConverter.builder().build();
 
-	private MarkdownConverter(){
-		//no public instanciation
+	private MarkdownConverter() {
+		// no public instanciation
 	}
 
-	static {
-		Options options = new Options();
-		options.tables = Tables.CONVERT_TO_CODE_BLOCK;
-		options.hardwraps = true;
-		options.inlineLinks = true;
-		options.autoLinks = true;
-		options.reverseHtmlSmartPunctuation = true;
-		options.fencedCodeBlocks = FencedCodeBlocks.ENABLED_BACKTICK;
-		remark = new Remark(options);
-		//Stop remark from stripping file protocol in an href
-		try {
-			Field cleanerField = Remark.class.getDeclaredField("cleaner");
-			cleanerField.setAccessible(true);
-
-			Cleaner c = (Cleaner) cleanerField.get(remark);
-
-			Field safelistField = Cleaner.class.getDeclaredField("safelist");
-			safelistField.setAccessible(true);
-
-			Safelist s = (Safelist) safelistField.get(c);
+	public static String convert(String html) {
+		if (!StringUtils.isTagOutsideOfBackticks(html)) {
+			return unescapeXml(html); // is not html so it can be returned as-is (aside from unescaping)
+		}
 
-			s.addProtocols("a", "href", "file");
-		} catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
-			LOGGER.severe("Unable to modify jsoup to include file protocols "+ e.getMessage());
+		Document document = Jsoup.parse(html);
+		//Add missing table headers if necessary, else most Markdown renderers will crap out
+		document.select("table").forEach(MarkdownConverter::addMissingTableHeaders);
+
+		String markdown = CONVERTER.convert(document);
+		if (markdown.endsWith("\n")) {// FlexmarkHtmlConverter keeps adding an extra line
+			markdown = markdown.substring(0, markdown.length() - 1);
 		}
+		return unescapeJava(markdown);
 	}
 
-	public static String convert(String html) {
-		if(!StringUtils.isTagOutsideOfBackticks(html)) {
-			return unescapeXml(html); // is not html so it can be returned as is (aside from unescaping)
+	/**
+	 * Adds a new row header if the given table doesn't have any.
+	 * @param table the HTML table to check for a header
+	 */
+	private static void addMissingTableHeaders(Element table) {
+		int numCols = 0;
+		for (Element child : table.children()) {
+			if ("thead".equals(child.nodeName())) {
+				// Table already has a header, nothing else to do
+				return;
+			}
+			if ("tbody".equals(child.nodeName())) {
+				Elements rows = child.getElementsByTag("tr");
+				if (!rows.isEmpty()) {
+					for (Element row : rows) {
+						int colSize = row.getElementsByTag("td").size();
+						//Keep the biggest column size
+						if (colSize > numCols) {
+							numCols = colSize;
+						}
+					}
+				}
+			}
+		}
+		if (numCols > 0) {
+			//Create a new header row based on the number of columns already found
+			Element newHeader = new Element("tr");
+			for (int i = 0; i < numCols; i++) {
+				newHeader.appendChild(new Element("th"));
+			}
+			//Insert header row in 1st position in the table
+			table.insertChildren(0, newHeader);
 		}
-		return unescapeJava(remark.convert(html));
 	}
-
-}
+}

org.eclipse.lemminx/src/main/resources/META-INF/native-image/reflect-config.json

@@ -1,12 +1,10 @@
 [
 	{
-		"name": "com.overzealous.remark.Remark",
-		"fields": [{
-			"name": "cleaner"
-		}]
+		"name": "java.lang.Object",
+		"allDeclaredMethods": true
 	},
 	{
-		"name": "java.lang.Object",
+		"name": "java.lang.Enum",
 		"allDeclaredMethods": true
 	},
 	{

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/XMLAssert.java

@@ -1327,8 +1327,8 @@ public static void assertDocumentLinks(List<DocumentLink> actual, DocumentLink..
 		assertEquals(expected.length, actual.size());
 		for (int i = 0; i < expected.length; i++) {
 			assertEquals(expected[i].getRange(), actual.get(i).getRange(), " Range test '" + i + "' link");
-			assertEquals(Paths.get(expected[i].getTarget()).toUri().toString().replace("file:///", "file:/"),
-					actual.get(i).getTarget().replace("file:///", "file:/"), " Target test '" + i + "' link");
+			assertEquals(Paths.get(expected[i].getTarget()).toUri().toString(),
+					actual.get(i).getTarget(), " Target test '" + i + "' link");
 		}
 	}
 

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/DTDHoverExtensionsTest.java

@@ -89,7 +89,7 @@ public void webXML() throws Exception {
 					"'" + cachedFilePath + "' file should be downloaded in the cache.");
 
 			// Process hover with the DTD (http dtd)
-			String dtdFileCacheURI = cachedFilePath.toUri().toString().replace("file:///", "file:/");
+			String dtdFileCacheURI = cachedFilePath.toUri().toString();
 			String xml = "<!DOCTYPE web-app PUBLIC\n" + //
 					" \"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN\"\n" + //
 					" \"" + httpDTDUri + "\" >\n" + //
@@ -122,7 +122,6 @@ private static void assertHoverWithCache(String value, String expectedHoverLabel
 	}
 
 	private static String getDTDFileURI(String dtdURI) throws MalformedURIException {
-		return XMLEntityManager.expandSystemId("dtd/" + dtdURI, "src/test/resources/test.xml", true).replace("///",
-				"/");
+		return XMLEntityManager.expandSystemId("dtd/" + dtdURI, "src/test/resources/test.xml", true);
 	}
 }

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLFileAssociationsHoverTest.java

@@ -83,8 +83,7 @@ private static void assertHover(String value, String fileURI, ContentModelSettin
 	}
 
 	private static String getXMLSchemaFileURI(String schemaURI) throws MalformedURIException {
-		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true).replace("///",
-				"/");
+		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true);
 	}
 
 }

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaHoverDocumentationTypeTest.java

@@ -375,8 +375,7 @@ private SharedSettings createSharedSettings(SchemaDocumentationType docSource, b
 	}
 
 	private static String getXMLSchemaFileURI(String schemaURI) throws MalformedURIException {
-		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true).replace("///",
-				"/");
+		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true);
 	}
 
 

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaHoverExtendedComplexTypeTest.java

@@ -81,8 +81,7 @@ private SharedSettings createSharedSettings(SchemaDocumentationType docSource, b
 	}
 
 	private static String getXMLSchemaFileURI(String schemaURI) throws MalformedURIException {
-		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true).replace("///",
-				"/");
+		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true);
 	}
 
 	private void assertHover(String xml, String expected, Range range) throws BadLocationException, MalformedURIException {

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaHoverExtensionsTest.java

@@ -432,7 +432,6 @@ private static void assertHover(String value, String expectedHoverLabel, Range e
 	}
 
 	private static String getXMLSchemaFileURI(String schemaURI) throws MalformedURIException {
-		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true).replace("///",
-				"/");
+		return XMLEntityManager.expandSystemId("xsd/" + schemaURI, "src/test/resources/test.xml", true);
 	}
 }

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/utils/MarkdownConverterTest.java

@@ -24,9 +24,9 @@ public class MarkdownConverterTest {
 	@Test
 	public void testHTMLConversion() {
 		assertEquals("This is `my code`", convert("This is <code>my code</code>"));
-		assertEquals("This is" + System.lineSeparator() + "**bold**", convert("This is<br><b>bold</b>"));
+		assertEquals("This is  " + System.lineSeparator() + "**bold**", convert("This is<br><b>bold</b>"));
 		assertEquals("The `<project>` element is the root of the descriptor.", convert("The <code>&lt;project&gt;</code> element is the root of the descriptor."));
-		assertEquals("# Hey Man #", convert("<h1>Hey Man</h1>"));
+		assertEquals("Hey Man"+ System.lineSeparator()+"=======", convert("<h1>Hey Man</h1>"));
 		assertEquals("[Placeholder](https://www.xml.com)", convert("<a href=\"https://www.xml.com\">Placeholder</a>"));
 
 		String htmlList =
@@ -36,9 +36,9 @@ public void testHTMLConversion() {
 			"  <li>Milk</li>" + System.lineSeparator() +
 			"</ul>";
 		String expectedList = 
-			" *  Coffee" + System.lineSeparator() +
-			" *  Tea" + System.lineSeparator() +
-			" *  Milk";
+			"* Coffee" + System.lineSeparator() +
+			"* Tea" + System.lineSeparator() +
+			"* Milk";
 		assertEquals(expectedList, convert(htmlList));
 		assertEquals("ONLY_THIS_TEXT", convert("<p>ONLY_THIS_TEXT</p>"));
 
@@ -54,10 +54,13 @@ public void testHTMLConversion() {
 			"line" + System.lineSeparator() +
 			"<code>HTML</code>" + System.lineSeparator() +
 			"stuff";
-			String multilineHTML2Expected = 
+		String multilineHTML2Expected = 
 			"multi" + System.lineSeparator() +
 			"" + System.lineSeparator() +
-			"line `HTML` stuff";
+			"" + System.lineSeparator() +
+			"line"+ System.lineSeparator() +
+			"`HTML`"+ System.lineSeparator() +
+			"stuff";
 		assertEquals(multilineHTML2Expected, convert(multilineHTML2));
 	}
 

pom.xml

@@ -118,8 +118,8 @@
 					<artifactId>maven-compiler-plugin</artifactId>
 					<version>3.11.0</version>
 					<configuration>
-						<source>1.8</source>
-						<target>1.8</target>
+						<source>11</source>
+						<target>11</target>
 					</configuration>
 				</plugin>
 				<plugin>