/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.html.parser;
import org.exoplatform.services.html.HTMLNode;
import org.exoplatform.services.html.Name;
import org.exoplatform.services.html.NodeConfig;
import org.exoplatform.services.token.TypeToken;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Author : Nhu Dinh Thuan
* Email:nhudinhthuan@yahoo.com
* Aug 13, 2006
*/
final class NodeCreator
{
private List<NodeImpl> opens = new ArrayList<NodeImpl>();
List<NodeImpl> getOpens()
{
return opens;
}
NodeImpl getLast()
{
return opens.get(opens.size() - 1);
}
NodeImpl getOpenParent(NodeConfig config, boolean create)
{
List<Name[]> list = new ArrayList<Name[]>();
while (config.parent().length > 0)
{
list.add(0, config.parent());
config = HTML.getConfig(config.parent()[0]);
}
if (opens.size() < 1)
return null;
if (list.size() < 1)
return opens.get(opens.size() - 1);
NodeImpl parent = opens.get(opens.size() - 1);
NodeImpl impl = null;
Iterator<Name[]> iter = list.iterator();
boolean start = false;
while (iter.hasNext())
{
Name[] names = iter.next();
if (start)
{
List<HTMLNode> children = parent.getChildrenNode();
for (int i = children.size() - 1; i > -1; i--)
{
NodeImpl child = (NodeImpl)children.get(i);
if (!child.isOpen())
break;
for (Name name : names)
{
if (child.getName() != name)
continue;
impl = child;
break;
}
}
}
else
{
impl = getOpenNode(names);
}
if (impl == null)
{
if (create)
return createNode(list, parent);
return null;
}
parent = impl;
impl = null;
iter.remove();
start = true;
}
return parent;
}
private NodeImpl createNode(List<Name[]> list, NodeImpl parent)
{
NodeImpl child = null;
for (Name[] names : list)
{
Name name = names[0];
child = new NodeImpl(name.toString().toCharArray(), name, TypeToken.TAG);
if (child.getConfig().only())
{
parent = ParserService.getNodeSetter().set(child);
}
else
{
parent.addChild(child);
child.setParent(parent);
opens.add(child);
parent = child;
}
}
return parent;
}
private NodeImpl getOpenNode(Name[] names)
{
for (int i = opens.size() - 1; i > -1; i--)
{
for (Name name : names)
{
if (opens.get(i).getConfig().name() == name)
{
return opens.get(i);
}
}
if (opens.get(i).getConfig().block())
break;
}
return null;
}
}