// HTMLParser Library $Name: v1_6_20060319 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Somik Raha
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tags/TableRow.java,v $
// $Author: ian_macfarlane $
// $Date: 2005/10/31 16:26:11 $
// $Revision: 1.43 $
//
// This library 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 library 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 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
package org.htmlparser.tags;
import org.htmlparser.NodeFilter;
import org.htmlparser.filters.AndFilter;
import org.htmlparser.filters.IsEqualFilter;
import org.htmlparser.filters.NodeClassFilter;
import org.htmlparser.filters.HasParentFilter;
import org.htmlparser.filters.NotFilter;
import org.htmlparser.filters.OrFilter;
import org.htmlparser.util.NodeList;
/**
* A table row tag.
*/
public class TableRow extends CompositeTag
{
/**
* The set of names handled by this tag.
*/
private static final String[] mIds = new String[] {"TR"};
/**
* The set of tag names that indicate the end of this tag.
*/
private static final String[] mEnders = new String[] {"TBODY", "TFOOT", "THEAD"};
/**
* The set of end tag names that indicate the end of this tag.
*/
private static final String[] mEndTagEnders = new String[] {"TBODY", "TFOOT", "THEAD", "TABLE"};
/**
* Create a new table row tag.
*/
public TableRow ()
{
}
/**
* Return the set of names handled by this tag.
* @return The names to be matched that create tags of this type.
*/
public String[] getIds ()
{
return (mIds);
}
/**
* Return the set of tag names that cause this tag to finish.
* @return The names of following tags that stop further scanning.
*/
public String[] getEnders ()
{
return (mEnders);
}
/**
* Return the set of end tag names that cause this tag to finish.
* @return The names of following end tags that stop further scanning.
*/
public String[] getEndTagEnders ()
{
return (mEndTagEnders);
}
/**
* Get the column tags within this <code>TR</code> (table row) tag.
* @return The {@.html <TD>} tags contained by this tag.
*/
public TableColumn[] getColumns ()
{
NodeList kids;
NodeClassFilter cls;
HasParentFilter recursion;
NodeFilter filter;
TableColumn[] ret;
kids = getChildren ();
if (null != kids)
{
cls = new NodeClassFilter (TableRow.class);
recursion = new HasParentFilter (null);
filter = new OrFilter (
new AndFilter (
cls,
new IsEqualFilter (this)),
new AndFilter ( // recurse up the parent chain
new NotFilter (cls), // but not past the first row
recursion));
recursion.setParentFilter (filter);
kids = kids.extractAllNodesThatMatch (
// it's a column, and has this row as it's enclosing row
new AndFilter (
new NodeClassFilter (TableColumn.class),
filter), true);
ret = new TableColumn[kids.size ()];
kids.copyToNodeArray (ret);
}
else
ret = new TableColumn[0];
return (ret);
}
/**
* Get the number of columns in this row.
* @return The number of columns in this row.
* <em>Note: this is a a simple count of the number of {@.html <TD>} tags and
* may be incorrect if the {@.html <TD>} tags span multiple columns.</em>
*/
public int getColumnCount ()
{
return (getColumns ().length);
}
/**
* Get the header of this table
* @return Table header tags contained in this row.
*/
public TableHeader[] getHeaders ()
{
NodeList kids;
NodeClassFilter cls;
HasParentFilter recursion;
NodeFilter filter;
TableHeader[] ret;
kids = getChildren ();
if (null != kids)
{
cls = new NodeClassFilter (TableRow.class);
recursion = new HasParentFilter (null);
filter = new OrFilter (
new AndFilter (
cls,
new IsEqualFilter (this)),
new AndFilter ( // recurse up the parent chain
new NotFilter (cls), // but not past the first row
recursion));
recursion.setParentFilter (filter);
kids = kids.extractAllNodesThatMatch (
// it's a header, and has this row as it's enclosing row
new AndFilter (
new NodeClassFilter (TableHeader.class),
filter), true);
ret = new TableHeader[kids.size ()];
kids.copyToNodeArray (ret);
}
else
ret = new TableHeader[0];
return (ret);
}
/**
* Get the number of headers in this row.
* @return The count of header tags in this row.
*/
public int getHeaderCount ()
{
return (getHeaders ().length);
}
/**
* Checks if this table has a header
* @return <code>true</code> if there is a header tag.
*/
public boolean hasHeader ()
{
return (0 != getHeaderCount ());
}
}