| /* GnomeText.java - |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath 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 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.libxmlj.dom; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.Text; |
| |
| /** |
| * A DOM text node implemented in libxml2. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| class GnomeText |
| extends GnomeCharacterData |
| implements Text |
| { |
| |
| GnomeText (Object id) |
| { |
| super (id); |
| } |
| |
| public Text splitText (int offset) |
| throws DOMException |
| { |
| String value = getNodeValue (); |
| String part1 = value.substring (0, offset); |
| String part2 = value.substring (offset); |
| Text text = getOwnerDocument ().createTextNode (part1); |
| getParentNode ().insertBefore (text, this); |
| setNodeValue (part2); |
| return text; |
| } |
| |
| // DOM Level 3 |
| |
| public boolean isElementContentWhitespace () |
| { |
| return getTextContent ().trim ().length () == 0; |
| } |
| |
| public String getWholeText () |
| { |
| Node first = this; |
| Node node = getPreviousSibling (); |
| while (node != null && node instanceof Text) |
| { |
| first = node; |
| node = node.getPreviousSibling (); |
| } |
| StringBuffer buf = new StringBuffer (first.getNodeValue ()); |
| node = first.getNextSibling (); |
| while (node != null && node instanceof Text) |
| { |
| buf.append (node.getNodeValue ()); |
| node = node.getNextSibling (); |
| } |
| return buf.toString (); |
| } |
| |
| public Text replaceWholeText (String content) throws DOMException |
| { |
| boolean isEmpty = (content == null || content.length () == 0); |
| if (!isEmpty) |
| { |
| setNodeValue (content); |
| } |
| |
| Node first = this; |
| Node node = getPreviousSibling (); |
| while (node != null && node instanceof Text) |
| { |
| first = node; |
| node = node.getPreviousSibling (); |
| } |
| node = first.getNextSibling (); |
| Node parent = getParentNode (); |
| if (first != this || isEmpty) |
| { |
| parent.removeChild (first); |
| } |
| while (node != null && node instanceof Text) |
| { |
| Node tmp = node; |
| node = node.getNextSibling (); |
| if (tmp != this || isEmpty) |
| { |
| parent.removeChild (tmp); |
| } |
| } |
| return (isEmpty) ? null : this; |
| } |
| |
| } |