Package org.apache.fop.layoutmgr

Class KnuthPossPosIter

java.lang.Object
org.apache.fop.layoutmgr.PositionIterator
org.apache.fop.layoutmgr.KnuthPossPosIter
All Implemented Interfaces:
Iterator<Position>
public class KnuthPossPosIter extends PositionIterator
A dedicated PositionIterator that is backed by an iterator over a list of KnuthElements.

  • Constructor Details

    • KnuthPossPosIter

      public KnuthPossPosIter(List elementList, int startPos, int endPos)
      Main constructor
      Parameters:
      elementList - List of Knuth elements
      startPos - starting position, inclusive
      endPos - ending position, exclusive

    • KnuthPossPosIter

      public KnuthPossPosIter(List elementList)
      Auxiliary constructor
      Parameters:
      elementList - List of Knuth elements

  • Method Details

    • checkNext

      protected boolean checkNext()
      Overrides:
      checkNext in class PositionIterator
      Returns:
      true if not at end of sub-sequence with same child layout manager

    • next

      public Position next()
      Specified by:
      next in interface Iterator<Position>
      Overrides:
      next in class PositionIterator

    • getKE

      public ListElement getKE()
      Peek at next, returning as ListElement.
      Returns:
      peek at next as ListElement

    • getLM

      protected LayoutManager getLM(Object nextObj)
      Overrides:
      getLM in class PositionIterator
      Parameters:
      nextObj - next object from which to obtain position
      Returns:
      layout manager

    • getPos

      protected Position getPos(Object nextObj)
      Default implementation assumes that the passed nextObj is itself a Position, and just returns it. Subclasses for which this is not the case, must provide a suitable override this method.
      Overrides:
      getPos in class PositionIterator
      Parameters:
      nextObj - next object from which to obtain position
      Returns:
      position of next object.