import org.apache.xalan.templates.ElemLiteralResult; //导入依赖的package包/类
/**
 * Receive notification of the end of an element.
 *
 * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
 * @param uri The Namespace URI, or an empty string.
 * @param localName The local name (without prefix), or empty string if not namespace processing.
 * @param rawName The qualified name (with prefix).
 */
public void endElement(
        StylesheetHandler handler, String uri, String localName, String rawName)
          throws org.xml.sax.SAXException
{

  ElemTemplateElement elem = handler.getElemTemplateElement();

  if (elem instanceof ElemLiteralResult)
  {
    if (((ElemLiteralResult) elem).getIsLiteralResultAsStylesheet())
    {
      handler.popStylesheet();
    }
  }

  super.endElement(handler, uri, localName, rawName);
}
 

import org.apache.xalan.templates.ElemLiteralResult; //导入依赖的package包/类
static String getInstruction(ElemTemplateElement node) {
  final String name = node.getNodeName();
  if (node instanceof ElemLiteralResult) {
    return name;
  } else if (name != null && name.indexOf(':') == -1) {
    return "xsl:" + name;
  }
  return name;
}
 

import org.apache.xalan.templates.ElemLiteralResult; //导入依赖的package包/类
/**
  * Non-recursive traversal of FunctionElement tree based on TreeWalker to verify that
  * there are no literal result elements except within a func:result element and that
  * the func:result element does not contain any following siblings except xsl:fallback.
  */
 public void validate(ElemTemplateElement elem, StylesheetHandler handler)
   throws SAXException
 {
   String msg = "";
   while (elem != null)
   { 
     //System.out.println("elem " + elem);
     if (elem instanceof ElemExsltFuncResult 
         && elem.getNextSiblingElem() != null 
         && !(elem.getNextSiblingElem() instanceof ElemFallback))
     {
       msg = "func:result has an illegal following sibling (only xsl:fallback allowed)";
       handler.error(msg, new SAXException(msg));
     }
     
     if((elem instanceof ElemApplyImport
 || elem instanceof ElemApplyTemplates
 || elem instanceof ElemAttribute
 || elem instanceof ElemCallTemplate
 || elem instanceof ElemComment
 || elem instanceof ElemCopy
 || elem instanceof ElemCopyOf
 || elem instanceof ElemElement
 || elem instanceof ElemLiteralResult
 || elem instanceof ElemNumber
 || elem instanceof ElemPI
 || elem instanceof ElemText
 || elem instanceof ElemTextLiteral
 || elem instanceof ElemValueOf)
&& !(ancestorIsOk(elem)))
     {
       msg ="misplaced literal result in a func:function container.";
       handler.error(msg, new SAXException(msg));
     }
     ElemTemplateElement nextElem = elem.getFirstChildElem();
     while (nextElem == null)
     {
       nextElem = elem.getNextSiblingElem();
       if (nextElem == null)
         elem = elem.getParentElem();
       if (elem == null || elem instanceof ElemExsltFunction)
         return; // ok
     }  
     elem = nextElem;
   }
 }