Add code action to generate RelaxNG grammar

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/participants/codeactions/nogrammarconstraints/GenerateRelaxNGSchemaCodeActionResolver.java

@@ -0,0 +1,48 @@
+/*******************************************************************************
+* Copyright (c) 2022 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lemminx.extensions.contentmodel.participants.codeactions.nogrammarconstraints;
+
+import static org.eclipse.lemminx.extensions.contentmodel.participants.codeactions.nogrammarconstraints.NoGrammarConstraintsCodeAction.createXmlModelEdit;
+
+import org.eclipse.lemminx.commons.BadLocationException;
+import org.eclipse.lemminx.dom.DOMDocument;
+import org.eclipse.lemminx.extensions.generators.FileContentGeneratorSettings;
+import org.eclipse.lemminx.extensions.generators.xml2relaxng.RelaxNGGeneratorSettings;
+import org.eclipse.lemminx.settings.SharedSettings;
+import org.eclipse.lsp4j.TextDocumentEdit;
+
+/**
+ * Code action resolver participant used to:
+ * 
+ * <ul>
+ * <li>generate the RelaxNG file for the given DOM document</li>
+ * <li>generate the association relaxng in the XML to bind it with the
+ * generated RelaxNG schema</li>
+ * 
+ * </ul>
+ *
+ */
+public class GenerateRelaxNGSchemaCodeActionResolver extends AbstractGenerateGrammarAndAssociationResolveCodeActionParticipant {
+
+	public static final String PARTICIPANT_ID = GenerateRelaxNGSchemaCodeActionResolver.class.getName();
+
+	@Override
+	protected TextDocumentEdit createFileEdit(String grammarFileName, DOMDocument document,
+			SharedSettings sharedSettings) throws BadLocationException {
+		return createXmlModelEdit(grammarFileName, null, document, sharedSettings);
+	}
+
+	@Override
+	protected FileContentGeneratorSettings getFileContentGeneratorSettings() {
+		return new RelaxNGGeneratorSettings();
+	}
+}

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/participants/codeactions/nogrammarconstraints/NoGrammarConstraintsCodeAction.java

@@ -32,6 +32,7 @@
 import org.eclipse.lemminx.dom.DOMElement;
 import org.eclipse.lemminx.extensions.generators.FileContentGeneratorManager;
 import org.eclipse.lemminx.extensions.generators.xml2dtd.DTDGeneratorSettings;
+import org.eclipse.lemminx.extensions.generators.xml2relaxng.RelaxNGGeneratorSettings;
 import org.eclipse.lemminx.extensions.generators.xml2xsd.XMLSchemaGeneratorSettings;
 import org.eclipse.lemminx.services.data.DataEntryField;
 import org.eclipse.lemminx.services.extensions.codeaction.ICodeActionParticipant;
@@ -70,6 +71,8 @@ public NoGrammarConstraintsCodeAction() {
 				new GenerateDocTypeCodeActionResolver());
 		resolveCodeActionParticipants.put(GenerateXMLModelWithDTDCodeActionResolver.PARTICIPANT_ID,
 				new GenerateXMLModelWithDTDCodeActionResolver());
+		resolveCodeActionParticipants.put(GenerateRelaxNGSchemaCodeActionResolver.PARTICIPANT_ID,
+				new GenerateRelaxNGSchemaCodeActionResolver());
 	}
 
 	@Override
@@ -125,6 +128,22 @@ public void doCodeAction(ICodeActionRequest request, List<CodeAction> codeAction
 					GenerateXMLModelWithDTDCodeActionResolver.PARTICIPANT_ID, request);
 			codeActions.add(dtdWithXmlModelAction);
 
+			// ---------- Relax NG
+
+			String rngURI = getGrammarURI(document.getDocumentURI(), "rng");
+			String rngFileName = getFileName(rngURI);
+			String rngTemplate = null;
+			if (!request.canSupportResolve()) {
+				SharedSettings sharedSettings = request.getSharedSettings();
+				FileContentGeneratorManager generator = request.getComponent(FileContentGeneratorManager.class);
+				rngTemplate = generator.generate(document, sharedSettings, new RelaxNGGeneratorSettings(), cancelChecker);
+			}
+
+			// xml-model
+			CodeAction relaxNGWithXmlModelAction = createRelaxNGCodeAction(rngURI, rngFileName, rngTemplate, request,
+					cancelChecker);
+			codeActions.add(relaxNGWithXmlModelAction);
+
 			// ---------- Open Binding Wizard
 			SharedSettings sharedSettings = request.getSharedSettings();
 			if (sharedSettings.isBindingWizardSupport()) {
@@ -192,6 +211,20 @@ private CodeAction createDocTypeCodeAction(String dtdURI, String dtdFileName, St
 		return createGrammarFileAndBindIt(title, dtdURI, dtdTemplate, dtdWithDocType, diagnostic);
 	}
 
+	private CodeAction createRelaxNGCodeAction(String rngURI, String rngFileName, String rngTemplate,
+			ICodeActionRequest request, CancelChecker cancelChecker) throws BadLocationException {
+ 		Diagnostic diagnostic = request.getDiagnostic();
+		DOMDocument document = request.getDocument();
+		String title = "Generate '" + rngFileName + "' and bind with RelaxNG";
+		if (request.canSupportResolve()) {
+			return createGenerateFileUnresolvedCodeAction(rngURI, title, diagnostic, document,
+					GenerateRelaxNGSchemaCodeActionResolver.PARTICIPANT_ID);
+		}
+		SharedSettings sharedSettings = request.getSharedSettings();
+		TextDocumentEdit relaxNGWithXMLModelEdit = createXmlModelEdit(rngFileName, null, document, sharedSettings);
+		return createGrammarFileAndBindIt(title, rngURI, rngTemplate, relaxNGWithXMLModelEdit, diagnostic);
+	}
+
 	private static CodeAction createGenerateFileUnresolvedCodeAction(String generateFileURI, String title,
 			Diagnostic diagnostic, DOMDocument document, String participantId) {
 		CodeAction codeAction = new CodeAction(title);

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/generators/FileContentGeneratorManager.java

@@ -18,6 +18,8 @@
 import org.eclipse.lemminx.extensions.generators.xml2dtd.XML2DTDGenerator;
 import org.eclipse.lemminx.extensions.generators.xml2xsd.XML2XMLSchemaGenerator;
 import org.eclipse.lemminx.extensions.generators.xml2xsd.XMLSchemaGeneratorSettings;
+import org.eclipse.lemminx.extensions.generators.xml2relaxng.XML2RelaxNGGenerator;
+import org.eclipse.lemminx.extensions.generators.xml2relaxng.RelaxNGGeneratorSettings;
 import org.eclipse.lemminx.services.IXMLFullFormatter;
 import org.eclipse.lemminx.settings.SharedSettings;
 import org.eclipse.lsp4j.jsonrpc.CancelChecker;
@@ -52,6 +54,7 @@ public FileContentGeneratorManager(IXMLFullFormatter formatter) {
 	private void registerDefaultGenerators() {
 		registerGenerator(new XML2DTDGenerator(), DTDGeneratorSettings.class);
 		registerGenerator(new XML2XMLSchemaGenerator(), XMLSchemaGeneratorSettings.class);
+		registerGenerator(new XML2RelaxNGGenerator(), RelaxNGGeneratorSettings.class);
 	}
 
 	/**

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/generators/xml2relaxng/RelaxNGGeneratorSettings.java

@@ -0,0 +1,22 @@
+/*******************************************************************************
+* Copyright (c) 2022 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lemminx.extensions.generators.xml2relaxng;
+
+import org.eclipse.lemminx.extensions.generators.FileContentGeneratorSettings;
+
+/**
+ * RelaxNG generator settings
+ *
+ */
+public class RelaxNGGeneratorSettings extends FileContentGeneratorSettings {
+
+}