/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.simplexml;
import com.caucho.quercus.annotation.Name;
import com.caucho.quercus.env.*;
import java.util.*;
/**
* SimpleXMLElement object oriented API facade.
* Also acts as the DOM document.
*/
public class SimpleXMLAttributeList extends SimpleXMLElement {
protected SimpleXMLAttributeList(Env env,
QuercusClass cls,
SimpleXMLElement parent,
String name) {
super(env, cls, parent, name);
}
protected SimpleXMLAttributeList(Env env,
QuercusClass cls,
SimpleXMLElement parent,
String name,
String namespace,
StringValue text) {
super(env, cls, parent, name, namespace);
_text = text;
}
/**
* Returns the name of the node.
*
* @return name of the node
*/
@Name("getName")
@Override
public String simplexml_getName() {
if (_attributes == null) {
return "";
} else {
return _attributes.get(0).getName();
}
}
@Override
protected void addNamespace(String prefix, String namespace) {
if (_parent != null) {
_parent.addNamespace(prefix, namespace);
}
}
/**
* Adds a namespace attribute to this node.
*/
@Override
protected void addNamespaceAttribute(Env env, String name,
String namespace) {
if (_parent != null) {
_parent.addNamespaceAttribute(env, name, namespace);
}
}
/**
* Required for 'foreach'. When only values are specified in
* the loop <code>foreach($a as $b)</code>, this method
* should return an iterator that contains Java objects
* that will be wrapped in a Value.
*
* When a 'foreach' loop with name/value pairs
* i.e. <code>foreach($a as $b=>$c)</code>
* invokes this method, it expects an iterator that
* contains objects that implement Map.Entry.
*/
@Override
public Iterator iterator() {
if (_attributes != null) {
return _attributes.iterator();
} else {
return null;
}
}
/**
* Converts node tree to a valid xml string.
*
* @return xml string
*/
@Override
public StringValue asXML(Env env) {
StringValue sb = env.createStringBuilder();
if (_attributes != null) {
for (SimpleXMLElement attr : _attributes) {
if (attr._name.equals("xmlns")) {
continue;
}
attr.toXMLImpl(sb);
break;
}
return sb;
} else {
return null;
}
}
@Override
protected void toXMLImpl(StringValue sb) {
sb.append(" ");
if (_prefix != null && !"".equals(_prefix)) {
sb.append(_prefix);
sb.append(":");
}
sb.append(_name);
sb.append("=\"");
if (_text != null) {
sb.append(_text);
}
sb.append("\"");
}
/**
* Implementation for getting the indices of this class.
* i.e. <code>$a->foo[0]</code>
*/
@Override
public Value __get(Env env, Value indexV) {
if (indexV.isString()) {
String name = indexV.toString();
SimpleXMLElement attr = getAttribute(name);
if (attr != null) {
return wrapJava(env, _cls, attr);
} else {
return NullValue.NULL;
}
} else if (indexV.isLongConvertible()) {
int i = indexV.toInt();
if (i < _attributes.size()) {
return wrapJava(env, _cls, _attributes.get(i));
}
return NullValue.NULL;
} else {
return NullValue.NULL;
}
}
}