yaml/org.eclipse.statet.yaml.core/src/org/eclipse/statet/yaml/core/ast/Tuple.java

/*=============================================================================#
 # Copyright (c) 2015, 2018 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.yaml.core.ast;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.statet.ltk.ast.core.AstNode;
import org.eclipse.statet.ltk.ast.core.AstVisitor;
import org.eclipse.statet.yaml.core.ast.YamlAst.NodeType;


public class Tuple extends YamlAstNode {
	
	
	int keyIndicatorOffset= NA_OFFSET;
	
	YamlAstNode keyNode;
	
	int valueIndicatorOffset= NA_OFFSET;
	
	YamlAstNode valueNode;
	
	
	Tuple(final YamlAstNode parent, final int startOffset, final int endOffset) {
		super(parent, startOffset, endOffset);
	}
	
	
	@Override
	public NodeType getNodeType() {
		return NodeType.MAP_ENTRY;
	}
	
	
	@Override
	public boolean hasChildren() {
		return true;
	}
	
	@Override
	public int getChildCount() {
		return 2;
	}
	
	public int getKeyIndicatorOffset() {
		return this.keyIndicatorOffset;
	}
	
	public YamlAstNode getKeyNode() {
		return this.keyNode;
	}
	
	public int getValueIndicatorOffset() {
		return this.valueIndicatorOffset;
	}
	
	public YamlAstNode getValueNode() {
		return this.valueNode;
	}
	
	@Override
	public YamlAstNode getChild(final int index) {
		switch (index) {
		case 0:
			return this.keyNode;
		case 1:
			return this.valueNode;
		default:
			throw new IndexOutOfBoundsException(Integer.toString(index));
		}
	}
	
	@Override
	public int getChildIndex(final AstNode element) {
		if (element == this.keyNode) {
			return 0;
		}
		if (element == this.valueNode) {
			return 1;
		}
		return -1;
	}
	
	
	@Override
	public void acceptInChildren(final AstVisitor visitor) throws InvocationTargetException {
		visitor.visit(this.keyNode);
		visitor.visit(this.valueNode);
	}
	
	@Override
	public void acceptInYaml(final YamlAstVisitor visitor) throws InvocationTargetException {
		visitor.visit(this);
	}
	
	@Override
	public void acceptInYamlChildren(final YamlAstVisitor visitor) throws InvocationTargetException {
		this.keyNode.acceptInYaml(visitor);
		this.valueNode.acceptInYaml(visitor);
	}
	
}