Class ExpressionPresenter

java.lang.Object
net.sf.saxon.trace.ExpressionPresenter

public class ExpressionPresenter extends Object
This class handles the display of an abstract expression tree in an XML format with some slight resemblence to XQueryX
  • Field Details

    • depth

      int depth
    • inStartTag

      boolean inStartTag
  • Constructor Details

    • ExpressionPresenter

      public ExpressionPresenter(Configuration config)
      Make an ExpressionPresenter that writes indented output to the standard error output destination of the Configuration
      Parameters:
      config - the Saxon configuration
    • ExpressionPresenter

      public ExpressionPresenter(Configuration config, OutputStream out)
      Make an ExpressionPresenter that writes indented output to a specified output stream
      Parameters:
      config - the Saxon configuration
      out - the output stream
    • ExpressionPresenter

      public ExpressionPresenter(Configuration config, Receiver receiver)
      Make an ExpressionPresenter for a given Configuration using a user-supplied Receiver to accept the output
      Parameters:
      config - the Configuration
      receiver - the user-supplied Receiver
  • Method Details

    • defaultDestination

      public static Receiver defaultDestination(Configuration config, OutputStream out) throws XPathException
      Make a receiver, using default output properties, with serialized output going to a specified OutputStream
      Parameters:
      config - the Configuration
      out - the OutputStream
      Returns:
      a Receiver that directs serialized output to this output stream
      Throws:
      XPathException
    • makeDefaultProperties

      public static Properties makeDefaultProperties()
      Make a Properties object containing defaulted serialization attributes for the expression tree
      Returns:
      a default set of properties
    • startElement

      public int startElement(String name)
      Start an element
      Parameters:
      name - the name of the element
      Returns:
      the depth of the tree before this element: for diagnostics, this can be compared with the value returned by endElement
    • emitAttribute

      public void emitAttribute(String name, String value)
      Output an attribute node
      Parameters:
      name - the name of the attribute
      value - the value of the attribute
    • endElement

      public int endElement()
      End an element in the expression tree
      Returns:
      the depth of the tree after ending this element. For diagnostics, this can be compared with the value returned by startElement()
    • startSubsidiaryElement

      public void startSubsidiaryElement(String name)
      Start a child element in the output
      Parameters:
      name - the name of the child element
    • endSubsidiaryElement

      public void endSubsidiaryElement()
      End a child element in the output
    • close

      public void close()
      Close the output
    • getConfiguration

      public Configuration getConfiguration()
      Get the Saxon configuration
      Returns:
      the Saxon configuration
    • getNamePool

      public NamePool getNamePool()
      Get the name pool
      Returns:
      the name pool
    • getTypeHierarchy

      public TypeHierarchy getTypeHierarchy()
      Get the type hierarchy cache
      Returns:
      the type hierarchy cache