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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Steve Yegge
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
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* ***** END LICENSE BLOCK ***** */
package org.mozilla.javascript.ast;
import org.mozilla.javascript.Token;
import java.util.ArrayList;
import java.util.List;
/**
* AST node for an E4X (Ecma-357) embedded XML literal. Node type is
* {@link Token#XML}. The parser generates a simple list of strings and
* expressions. In the future we may parse the XML and produce a richer set of
* nodes, but for now it's just a set of expressions evaluated to produce a
* string to pass to the {@code XML} constructor function.
*/
public class XmlLiteral extends AstNode {
private List fragments = new ArrayList();
{
type = Token.XML;
}
public XmlLiteral() {
}
public XmlLiteral(int pos) {
super(pos);
}
public XmlLiteral(int pos, int len) {
super(pos, len);
}
/**
* Returns fragment list - a list of expression nodes.
*/
public List getFragments() {
return fragments;
}
/**
* Sets fragment list, removing any existing fragments first.
* Sets the parent pointer for each fragment in the list to this node.
* @param fragments fragment list. Replaces any existing fragments.
* @throws IllegalArgumentException} if {@code fragments} is {@code null}
*/
public void setFragments(List fragments) {
assertNotNull(fragments);
this.fragments.clear();
for (XmlFragment fragment : fragments)
addFragment(fragment);
}
/**
* Adds a fragment to the fragment list. Sets its parent to this node.
* @throws IllegalArgumentException} if {@code fragment} is {@code null}
*/
public void addFragment(XmlFragment fragment) {
assertNotNull(fragment);
fragments.add(fragment);
fragment.setParent(this);
}
@Override
public String toSource(int depth) {
StringBuilder sb = new StringBuilder(250);
for (XmlFragment frag : fragments) {
sb.append(frag.toSource(0));
}
return sb.toString();
}
/**
* Visits this node, then visits each child fragment in lexical order.
*/
@Override
public void visit(NodeVisitor v) {
if (v.visit(this)) {
for (XmlFragment frag : fragments) {
frag.visit(v);
}
}
}
}