/*
* Copyright (c) 1998-2011 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 Charles Reich
*/
package com.caucho.quercus.lib.simplexml;
import com.caucho.quercus.annotation.Name;
import com.caucho.quercus.annotation.Optional;
import com.caucho.quercus.annotation.ReturnNullAsFalse;
import com.caucho.quercus.annotation.EntrySet;
import com.caucho.quercus.env.*;
import com.caucho.quercus.program.JavaClassDef;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.WriteStream;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.util.*;
import java.util.logging.*;
/**
* SimpleXMLElement object oriented API facade.
* Also acts as the DOM document.
*/
public class SelectedXMLElement extends SimpleXMLElement
{
private SimpleXMLElement _owner;
protected SelectedXMLElement(Env env, QuercusClass cls,
SimpleXMLElement owner)
{
super(env, cls, owner._parent, owner._name);
_owner = owner;
//_parent = owner._parent;
//_name = owner._name;
_text = owner._text;
_children = owner._children;
_attributes = owner._attributes;
}
@Override
protected SimpleXMLElement getOwner()
{
return _owner;
}
public String toString()
{
if (_text != null)
return _text.toString();
else
return "";
}
/**
* 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.
*/
public Iterator iterator()
{
// php/1x05
ArrayList<SimpleXMLElement> children = _parent._children;
if (children == null)
return null;
ArrayList<SimpleXMLElement> values = new ArrayList<SimpleXMLElement>();
int size = children.size();
for (int i = 0; i < size; i++) {
SimpleXMLElement elt = children.get(i);
if (getName().equals(elt.getName()))
values.add(elt);
}
return values.iterator();
}
}