Java Code Examples for org.apache.xpath.objects.XObject#getFresh()

The following examples show how to use org.apache.xpath.objects.XObject#getFresh() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: VariableStack.java From j2objc with Apache License 2.0

6 votes

/**
 * Get a local variable or parameter in the current stack frame.
 *
 *
 * @param xctxt The XPath context, which must be passed in order to
 * lazy evaluate variables.
 *
 * @param index Local variable index relative to the current stack
 * frame bottom.
 *
 * @return The value of the variable.
 *
 * @throws TransformerException
 */
public XObject getLocalVariable(XPathContext xctxt, int index, boolean destructiveOK)
        throws TransformerException
{

  index += _currentFrameBottom;

  XObject val = _stackFrames[index];
  
  if(null == val)
    throw new TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VARIABLE_ACCESSED_BEFORE_BIND, null),
                   xctxt.getSAXLocator());
    // "Variable accessed before it is bound!", xctxt.getSAXLocator());

  // Lazy execution of variables.
  if (val.getType() == XObject.CLASS_UNRESOLVEDVARIABLE)
    return (_stackFrames[index] = val.execute(xctxt));

  return destructiveOK ? val : val.getFresh();
}

Example 2

Source File: VariableStack.java From j2objc with Apache License 2.0

3 votes

/**
 * Get a global variable or parameter from the global stack frame.
 *
 *
 * @param xctxt The XPath context, which must be passed in order to
 * lazy evaluate variables.
 *
 * @param index Global variable index relative to the global stack
 * frame bottom.
 *
 * @return The value of the variable.
 *
 * @throws TransformerException
 */
public XObject getGlobalVariable(XPathContext xctxt, final int index, boolean destructiveOK)
        throws TransformerException
{

  XObject val = _stackFrames[index];

  // Lazy execution of variables.
  if (val.getType() == XObject.CLASS_UNRESOLVEDVARIABLE)
    return (_stackFrames[index] = val.execute(xctxt));

  return destructiveOK ? val : val.getFresh();
}