/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more
* details. You should have received a copy of the GNU Affero General Public
* License along with this program; if not, see http://www.gnu.org/licenses or
* write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License, a
* covered work must retain the producer line in every PDF that is created or
* manipulated using iText.
*
* You can be released from the requirements of the license by purchasing a
* commercial license. Buying such a license is mandatory as soon as you develop
* commercial activities involving the iText software without disclosing the
* source code of your own applications. These activities include: offering paid
* services to customers as an ASP, serving PDFs on the fly in a web
* application, shipping iText with a closed source product.
*
* For more information, please contact iText Software Corp. at this address:
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*/
package com.itextpdf.tool.xml.util;
import java.util.ArrayList;
import java.util.List;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.html.HTML;
/**
* Util class for everything related to a ParentTree of a Tag
*
*
* @author Jeroen Nouws
*
*/
public class ParentTreeUtil {
/**
* creates a parentTree of all parents of a given Tag
*
* @param t Tag the tag where you want to know it's parentTree of
* @return parentTree a arrayList<String> containing the parents of Tag t
*/
public List<String> getParentTree(Tag t){
List<String> parentTree = new ArrayList<String>();
Tag parent = t.getParent();
while(parent!=null&&!(parent.getName().equals(HTML.Tag.BODY))){
parentTree.add(parent.getName());
parent = parent.getParent();
}
return parentTree;
}
/**
* creates a parentTree of all parent Tag objects of a given Tag
*
* @param tag Tag the tag where you want to know it's parentTree of
* @param tree
* @return parentTree arrayList<Tag> containing the parent tags of Tag t
*/
public List<Tag> getParentTagTree(final Tag tag, final List<Tag> tree) {
List<Tag> parentTree = new ArrayList<Tag>();
Tag parent = tag.getParent();
while (parent != null && !(parent.getName().equals(HTML.Tag.HTML))) {
parentTree.add(parent);
parent = parent.getParent();
}
return parentTree;
}
}