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+/* 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 gnu.java.lang.CPStringBuilder;
+
+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 ();
+ }
+ CPStringBuilder buf = new CPStringBuilder (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;
+ }
+
+}