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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [xml/] [libxmlj/] [dom/] [GnomeText.java] - Blame information for rev 769

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1 769 jeremybenn
/* GnomeText.java -
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   Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.libxmlj.dom;
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import gnu.java.lang.CPStringBuilder;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.Node;
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import org.w3c.dom.Text;
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/**
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 * A DOM text node implemented in libxml2.
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 *
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 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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 */
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class GnomeText
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extends GnomeCharacterData
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implements Text
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{
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  GnomeText (Object id)
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  {
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    super (id);
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  }
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  public Text splitText (int offset)
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    throws DOMException
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  {
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    String value = getNodeValue ();
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    String part1 = value.substring (0, offset);
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    String part2 = value.substring (offset);
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    Text text = getOwnerDocument ().createTextNode (part1);
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    getParentNode ().insertBefore (text, this);
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    setNodeValue (part2);
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    return text;
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  }
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  // DOM Level 3
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  public boolean isElementContentWhitespace ()
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  {
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    return getTextContent ().trim ().length () == 0;
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  }
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  public String getWholeText ()
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  {
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    Node first = this;
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    Node node = getPreviousSibling ();
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    while (node != null && node instanceof Text)
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      {
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        first = node;
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        node = node.getPreviousSibling ();
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      }
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    CPStringBuilder buf = new CPStringBuilder (first.getNodeValue ());
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    node = first.getNextSibling ();
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    while (node != null && node instanceof Text)
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      {
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        buf.append (node.getNodeValue ());
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        node = node.getNextSibling ();
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      }
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    return buf.toString ();
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  }
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  public Text replaceWholeText (String content) throws DOMException
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  {
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    boolean isEmpty = (content == null || content.length () == 0);
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    if (!isEmpty)
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      {
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        setNodeValue (content);
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      }
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    Node first = this;
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    Node node = getPreviousSibling ();
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    while (node != null && node instanceof Text)
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      {
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        first = node;
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        node = node.getPreviousSibling ();
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      }
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    node = first.getNextSibling ();
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    Node parent = getParentNode ();
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    if (first != this || isEmpty)
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      {
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        parent.removeChild (first);
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      }
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    while (node != null && node instanceof Text)
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      {
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        Node tmp = node;
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        node = node.getNextSibling ();
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        if (tmp != this || isEmpty)
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          {
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            parent.removeChild (tmp);
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          }
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      }
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    return (isEmpty) ? null : this;
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  }
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}

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