/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.core.compiler.ast.nodes;
import java.util.List;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.ast.expressions.Expression;
import org.eclipse.dltk.utils.CorePrinter;
import org.eclipse.php.internal.core.compiler.ast.visitor.ASTPrintVisitor;
/**
* Represents complex qoute(i.e. qoute that includes string and variables). Also
* represents heredoc
*
* <pre>
* e.g.
*
* <pre>
* "this is $a quote", "'single ${$complex->quote()}'" >>>Heredoc\n This is here
* documents \nHeredoc;\n
*
* Note: "This is".$not." a quote node", 'This is $not a quote too'
*/
public class Quote extends Expression {
public static final int QT_QUOTE = 0;
public static final int QT_SINGLE = 1;
public static final int QT_HEREDOC = 2;
public static final int QT_NOWDOC = 3;
private final List<? extends Expression> expressions;
private final int quoteType;
public Quote(int start, int end, List<? extends Expression> expressions, int type) {
super(start, end);
this.expressions = expressions;
this.quoteType = type;
}
public static String getType(int type) {
switch (type) {
case QT_QUOTE:
return "quote"; //$NON-NLS-1$
case QT_SINGLE:
return "single"; //$NON-NLS-1$
case QT_HEREDOC:
return "heredoc"; //$NON-NLS-1$
case QT_NOWDOC:
return "nowdoc"; //$NON-NLS-1$
default:
throw new IllegalArgumentException();
}
}
public void traverse(ASTVisitor visitor) throws Exception {
final boolean visit = visitor.visit(this);
if (visit) {
for (Expression expression : expressions) {
expression.traverse(visitor);
}
}
visitor.endvisit(this);
}
public int getKind() {
return ASTNodeKinds.QUOTE;
}
public List<? extends Expression> getExpressions() {
return expressions;
}
public int getQuoteType() {
return quoteType;
}
/**
* We don't print anything - we use {@link ASTPrintVisitor} instead
*/
public final void printNode(CorePrinter output) {
}
public String toString() {
return ASTPrintVisitor.toXMLString(this);
}
}