Method trim

core/src/processing/data/XML.java:606–622

Removes whitespace nodes. Those whitespace nodes are required to reconstruct the original XML's spacing and indentation. If you call this and use saveXML() your original spacing will be gone. @nowebref @brief Removes whitespace nodes

()

   * @brief Removes whitespace nodes
   */
  public void trim() {
    try {
      XPathFactory xpathFactory = XPathFactory.newInstance();
      XPathExpression xpathExp =
        xpathFactory.newXPath().compile("//text()[normalize-space(.) = '']");
      NodeList emptyTextNodes = (NodeList)
        xpathExp.evaluate(node, XPathConstants.NODESET);

      // Remove each empty text node from document.
      for (int i = 0; i < emptyTextNodes.getLength(); i++) {
        Node emptyTextNode = emptyTextNodes.item(i);
        emptyTextNode.getParentNode().removeChild(emptyTextNode);
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }


//  /** Remove whitespace nodes. */