cvs commit: xml-xalan/java/src/org/w3c/xslt ExpressionContext.java

[sb...@locus.apache.org]

sboag       00/07/30 15:35:37

  Added:       java/src/org/w3c/xslt ExpressionContext.java
  Log:
  In progress...
  
  Revision  Changes    Path
  1.1                  xml-xalan/java/src/org/w3c/xslt/ExpressionContext.java
  
  Index: ExpressionContext.java
  ===================================================================
  package org.w3c.xslt;
  
  import org.w3c.dom.traversal.NodeIterator;
  import org.w3c.dom.Node;
  
  /**
   * An object that implements this interface can supply 
   * information about the current XPath expression context.
   */
  public interface ExpressionContext
  {
    /**
     * Get the current context node.
     * @return The current context node.
     */
    public Node getContextNode();
    
    /**
     * Get the current context node list.
     * @return An iterator for the current context list, as 
     * defined in XSLT.
     */
    public NodeIterator getContextNodes();
  
    /**
     * Get the value of a node as a number.
     * @param n Node to be converted to a number.  May be null.
     * @return value of n as a number.
     */
    public double toNumber(Node n);
  
    /**
     * Get the value of a node as a string.
     * @param n Node to be converted to a string.  May be null.
     * @return value of n as a string, or an empty string if n is null.
     */
    public String toString(Node n);
  
  }