Bracket support

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/DefaultDocumentAdapter.java

@@ -16,6 +16,7 @@
 
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
 
@@ -220,7 +221,26 @@ public String getTextRange(int offset, int length) {
 	@Override
 	public void replaceTextRange(int pos, int length, String text) {
 		try {
-			fDocument.replace(pos, length, text);
+			String[][] bracketTypes= {
+					{ SpecialCharacterConstants.openParentheses, SpecialCharacterConstants.openSquareBracket, SpecialCharacterConstants.openCurlyBracket, SpecialCharacterConstants.openAngleBracket,
+							SpecialCharacterConstants.singleQuote, SpecialCharacterConstants.doubleQuotes },
+					{ SpecialCharacterConstants.closeParentheses, SpecialCharacterConstants.closeSquareBracket, SpecialCharacterConstants.closeCurlyBracket,
+							SpecialCharacterConstants.closeAngleBracket, SpecialCharacterConstants.singleQuote, SpecialCharacterConstants.doubleQuotes }
+			};
+			boolean containsSpecialBrackets= Arrays.asList(bracketTypes[0]).contains(text);
+			TextSelection textSelection= new TextSelection(fDocument, pos, length);
+			//Checks if the text contains special type of brackets, the length of the selected text is greater than 0 & the selected text is not empty.
+			if (containsSpecialBrackets && textSelection.getLength() > 0 && !textSelection.getText().trim().isEmpty()) {
+				int index= Arrays.asList(bracketTypes[0]).indexOf(text);
+				if (index >= 0) {
+					String currentOpeningBracket= bracketTypes[0][index];
+					String currentClosingBracket= bracketTypes[1][index];
+					text= currentOpeningBracket + textSelection.getText() + currentClosingBracket;
+					fDocument.replace(pos, length, text);
+				}
+			} else {
+				fDocument.replace(pos, length, text);
+			}
 		} catch (BadLocationException x) {
 			SWT.error(SWT.ERROR_INVALID_ARGUMENT);
 		}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/SpecialCharacterConstants.java

@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright (c) 2023 ETAS GmbH and others, all rights reserved.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     ETAS GmbH - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.jface.text;
+
+/**
+ * @since 3.25
+ */
+public class SpecialCharacterConstants {
+
+	public static final String openParentheses= "("; //$NON-NLS-1$
+
+	public static final String closeParentheses= ")"; //$NON-NLS-1$
+
+	public static final String openSquareBracket= "["; //$NON-NLS-1$
+
+	public static final String closeSquareBracket= "]"; //$NON-NLS-1$
+
+	public static final String openCurlyBracket= "{"; //$NON-NLS-1$
+
+	public static final String closeCurlyBracket= "}"; //$NON-NLS-1$
+
+	public static final String openAngleBracket= "<"; //$NON-NLS-1$
+
+	public static final String closeAngleBracket= ">"; //$NON-NLS-1$
+
+	public static final String singleQuote= "'"; //$NON-NLS-1$
+
+	public static final String doubleQuotes= "\""; //$NON-NLS-1$
+
+
+}

tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/TextViewerTest.java

@@ -226,6 +226,19 @@ protected boolean condition() {
 		}.waitForCondition(textViewer.getControl().getDisplay(), 3000));
 	}
 
+	@Test
+	public void testSpecialCharacterSelection() {
+		fShell= new Shell();
+		final TextViewer textViewer= new TextViewer(fShell, SWT.NONE);
+		StyledText textWidget= textViewer.getTextWidget();
+		textViewer.setDocument(new Document());
+		StyledTextContent content= textViewer.getTextWidget().getContent();
+		assumeNotNull(content);
+		content.setText("Hello");
+		content.replaceTextRange(0, 5, "(");
+		assertEquals("Expected text after replacement", "(Hello)", textWidget.getText());
+	}
+
 	/**
 	 * Test if {@link TextViewer}s default {@link IDocumentAdapter} implementation adhere to
 	 * {@link IDocumentAdapter}s JavaDoc.