Initial revision

From-SVN: r102074

libjava/classpath/gnu/xml/libxmlj/dom/GnomeText.java

@@ -0,0 +1,130 @@
+/* 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;
+  }
+
+}