1. /*
  2. * Copyright 1999-2004 The Apache Software Foundation.
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. /*
  17. * $Id: SubContextList.java,v 1.9 2004/02/17 04:32:08 minchau Exp $
  18. */
  19. package com.sun.org.apache.xpath.internal.axes;
  20. import com.sun.org.apache.xpath.internal.XPathContext;
  21. /**
  22. * A class that implements this interface is a sub context node list, meaning it
  23. * is a node list for a location path step for a predicate.
  24. * @xsl.usage advanced
  25. */
  26. public interface SubContextList
  27. {
  28. /**
  29. * Get the number of nodes in the node list, which, in the XSLT 1 based
  30. * counting system, is the last index position.
  31. *
  32. *
  33. * @param xctxt The XPath runtime context.
  34. *
  35. * @return the number of nodes in the node list.
  36. */
  37. public int getLastPos(XPathContext xctxt);
  38. /**
  39. * Get the current sub-context position.
  40. *
  41. * @param xctxt The XPath runtime context.
  42. *
  43. * @return The position of the current node in the list.
  44. */
  45. public int getProximityPosition(XPathContext xctxt);
  46. }