content: // (c) ALEXANDRE BRILLANT : http://www.japisoft.com
  // All this work is confidential, you have rights to
  // change and evolve it for your products but you
  // have no rights to sell it, propose concurrent works.
  // Morever any changes to bugs or evolutions should
  // be send to JAPISOFT that needs to maintain a
  // valid version and has all rights on the product.
  
  package com.japisoft.xpath.kit;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.xpath.function.basic.FunctionLib;
  import com.japisoft.xpath.function.Lib;
  import com.japisoft.xpath.navigator.FastParserNavigator;
  import com.japisoft.xpath.AbstractKit;
  import com.japisoft.xpath.NodeSet;
  import com.japisoft.xpath.Navigator;
  
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program 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 3 of the License, or
  (at your option) any later version.
  
  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 General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class FastParserKit
      extends AbstractKit {
  
    public FastParserKit() {
      super();
    }
  
    /** @return the library resolver. If <code>null</code> is returned then the standard library is used */
    public Lib getLibrary() {
      return new FunctionLib();
    }
  
    /** @return the tree navigator toolkit */
    public Navigator getNavigator() {
      return new FastParserNavigator();
    }
  
    // Particular method for the string-value on node
    private void findSubTextNode(FPNode n, StringBuffer res) {
      for (int i = 0; i < n.childCount(); i++) {
        FPNode child = n.childAt(i);
        if (child.isText()) {
          res.append(child.getContent());
        }
      }
      for (int i = 0; i < n.childCount(); i++) {
        FPNode child = n.childAt(i);
        if (child.isTag() && !child.isLeaf()) {
          findSubTextNode(child, res);
        }
      }
    }
  
    /** Compute the string-value for this node */
    public String getStringValue(Object node) {
      if (node instanceof FPNode) {
        FPNode n = (FPNode) node;
        // Cas of the attribute
        if (n.getType() == (FPNode.COMMENT_NODE + 1)) {
          FPNode p = n.getFPParent();
          return p.getAttribute(n.getContent());
        }
        else
        if ( (n.getType() == FPNode.TEXT_NODE) ||
            (n.getType() == FPNode.COMMENT_NODE)) {
          return n.getContent();
        }
        // Particular cas for node : get all sub text node
        StringBuffer sb = new StringBuffer();
        findSubTextNode(n, sb);
        return sb.toString();
      }
      else
      if (node instanceof NodeSet) {
        if ( ( (NodeSet) node).size() > 0) {
          return getStringValue( ( (NodeSet) node).elementAt(0));
        }
      }
      return node.toString();
    }
  
    private void buildNodeSet(FPNode node, NodeSet ns) {
      ns.addNode(node);
      for (int i = 0; i < node.childCount(); i++) {
        FPNode n1 = node.childAt(i);
        if ( (n1.childCount() > 0) &&
            (n1.isTag())) {
          buildNodeSet(n1, ns);
        }
      }
    }
  
    /** Compute the local name of the node */
    public String getLocalName(Object node) {
      FPNode n = (FPNode) node;
      return n.getContent();
    }
  
    /** Compute the namespace URI for this node */
    public String getNamespaceURI(Object node) {
      FPNode n = (FPNode) node;
      return n.getNameSpaceURI();
    }
  
    /** Compute the qualified name for this node */
    public String getName(Object node) {
      FPNode n = (FPNode) node;
      if (n.getNameSpacePrefix() != null) {
        return n.getNameSpacePrefix() + ":" + n.getContent();
      }
      return getLocalName(node);
    }
  
    /** Compute the language for this node */
    public String getLang(Object node) {
      FPNode n = (FPNode) node;
      if ( n == null )
      	return null;
      String s = n.getAttribute( "xml:lang" );
      if ( "".equals( s ) ) {
        if ( n.getFPParent() != null )
          return getLang( n.getFPParent() );
        else
          return null;
      } else
        return s;
    }
  
    /**
     * This method will always return <code>null</code> as the
     * FastParser SimpleNode for v1.6 doesn't includes support for ID
     * @param refNode a reference document element
     * @param id ID value to match
     * @return the node with the unique ID. The ID scope is theorically
     * limited to attribute defined as ID in the DTD
     */
    public Object getNodeForId(Object refNode, String id) {
      return null;
    }
  
  }
  