Copyright (c) 2004, 2013 IBM Corporation and others.
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:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2004, 2013 IBM Corporation and others.
 *
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jdt.core.dom;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jdt.internal.compiler.util.Util;

AST node for a text element within a doc comment.
TextElement:
    Sequence of characters not including a close comment delimiter */

See Also:
Javadoc
Since:
3.0
@noinstantiate
This class is not intended to be instantiated by clients./**
 * AST node for a text element within a doc comment.
 * <pre>
 * TextElement:
 *     Sequence of characters not including a close comment delimiter <b>*</b><b>/</b>
 * </pre>
 *
 * @see Javadoc
 * @since 3.0
 * @noinstantiate This class is not intended to be instantiated by clients.
 */
@SuppressWarnings("rawtypes")
public final class TextElement extends ASTNode implements IDocElement {

	
The "text" structural property of this node type (type: String). 
Since:
3.0/**
	 * The "text" structural property of this node type (type: {@link String}).
	 *
	 * @since 3.0
	 */
	public static final SimplePropertyDescriptor TEXT_PROPERTY =
		new SimplePropertyDescriptor(TextElement.class, "text", String.class, MANDATORY); //$NON-NLS-1$

	
A list of property descriptors (element type: StructuralPropertyDescriptor), or null if uninitialized. 
Since:
3.0/**
	 * A list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor}),
	 * or null if uninitialized.
	 * @since 3.0
	 */
	private static final List PROPERTY_DESCRIPTORS;

	static {
		List propertyList = new ArrayList(2);
		createPropertyList(TextElement.class, propertyList);
		addProperty(TEXT_PROPERTY, propertyList);
		PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);
	}

	
Returns a list of structural property descriptors for this node type.
Clients must not modify the result.
Params:
apiLevel – the API level; one of the
AST.JLS* constants
Returns:
a list of property descriptors (element type: StructuralPropertyDescriptor)
Since:
3.0/**
	 * Returns a list of structural property descriptors for this node type.
	 * Clients must not modify the result.
	 *
	 * @param apiLevel the API level; one of the
	 * <code>AST.JLS*</code> constants
	 * @return a list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor})
	 * @since 3.0
	 */
	public static List propertyDescriptors(int apiLevel) {
		return PROPERTY_DESCRIPTORS;
	}

	
The text element; defaults to the empty string.
/**
	 * The text element; defaults to the empty string.
	 */
	private String text = Util.EMPTY_STRING;

	
Creates a new AST node for a text element owned by the given AST.
The new node has an empty text string.

N.B. This constructor is package-private; all subclasses must be
declared in the same package; clients are unable to declare
additional subclasses.

Params:
ast – the AST that is to own this node/**
	 * Creates a new AST node for a text element owned by the given AST.
	 * The new node has an empty text string.
	 * <p>
	 * N.B. This constructor is package-private; all subclasses must be
	 * declared in the same package; clients are unable to declare
	 * additional subclasses.
	 * </p>
	 *
	 * @param ast the AST that is to own this node
	 */
	TextElement(AST ast) {
		super(ast);
	}

	@Override
	final List internalStructuralPropertiesForType(int apiLevel) {
		return propertyDescriptors(apiLevel);
	}

	@Override
	final Object internalGetSetObjectProperty(SimplePropertyDescriptor property, boolean get, Object value) {
		if (property == TEXT_PROPERTY) {
			if (get) {
				return getText();
			} else {
				setText((String) value);
				return null;
			}
		}
		// allow default implementation to flag the error
		return super.internalGetSetObjectProperty(property, get, value);
	}

	@Override
	final int getNodeType0() {
		return TEXT_ELEMENT;
	}

	@Override
	ASTNode clone0(AST target) {
		TextElement result = new TextElement(target);
		result.setSourceRange(getStartPosition(), getLength());
		result.setText(getText());
		return result;
	}

	@Override
	final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
		// dispatch to correct overloaded match method
		return matcher.match(this, other);
	}

	@Override
	void accept0(ASTVisitor visitor) {
		visitor.visit(this);
		visitor.endVisit(this);
	}

	
Returns this node's text.
Returns:
the text of this node/**
	 * Returns this node's text.
	 *
	 * @return the text of this node
	 */
	public String getText() {
		return this.text;
	}

	
Sets the text of this node to the given value.

The text element typically includes leading and trailing
whitespace that separates it from the immediately preceding
or following elements. The text element must not include
a block comment closing delimiter "*"+"/".

Params:
text – the text of this node
Throws:
IllegalArgumentException – if the text is null
or contains a block comment closing delimiter/**
	 * Sets the text of this node to the given value.
	 * <p>
	 * The text element typically includes leading and trailing
	 * whitespace that separates it from the immediately preceding
	 * or following elements. The text element must not include
	 * a block comment closing delimiter "*"+"/".
	 * </p>
	 *
	 * @param text the text of this node
	 * @exception IllegalArgumentException if the text is null
	 * or contains a block comment closing delimiter
	 */
	public void setText(String text) {
		if (text == null) {
			throw new IllegalArgumentException();
		}
		if (text.indexOf("*/") > 0) { //$NON-NLS-1$
			throw new IllegalArgumentException();
		}
		preValueChange(TEXT_PROPERTY);
		this.text = text;
		postValueChange(TEXT_PROPERTY);
	}

	@Override
	int memSize() {
		int size = BASE_NODE_SIZE + 1 * 4;
		if (this.text != Util.EMPTY_STRING) {
			// everything but our empty string costs
			size += stringSize(this.text);
		}
		return size;
	}

	@Override
	int treeSize() {
		return memSize();
	}
}