/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: BasicTestIterator.java,v 1.2.4.1 2005/09/14 19:45:20 jeffsuttor Exp $
*/
/**
* Base for iterators that handle predicates. Does the basic next
* node logic, so all the derived iterator has to do is get the
* next node.
*/
{
/**
* Create a LocPathIterator object.
*
* @param nscontext The namespace context for this iterator,
* should be OK if null.
*/
protected BasicTestIterator()
{
}
/**
* Create a LocPathIterator object.
*
* @param nscontext The namespace context for this iterator,
* should be OK if null.
*/
{
super(nscontext);
}
/**
* Create a LocPathIterator object, including creation
* of step walkers from the opcode list, and call back
* into the Compiler to create predicate expressions.
*
* @param compiler The Compiler which is creating
* this expression.
* @param opPos The position of this iterator in the
* opcode list from the compiler.
*
* @throws javax.xml.transform.TransformerException
*/
{
if ((0 == (whatToShow
else
{
}
}
/**
* Create a LocPathIterator object, including creation
* of step walkers from the opcode list, and call back
* into the Compiler to create predicate expressions.
*
* @param compiler The Compiler which is creating
* this expression.
* @param opPos The position of this iterator in the
* opcode list from the compiler.
* @param shouldLoadWalkers True if walkers should be
* loaded, or false if this is a derived iterator and
* it doesn't wish to load child walkers.
*
* @throws javax.xml.transform.TransformerException
*/
protected BasicTestIterator(
{
}
/**
* Get the next node via getNextXXX. Bottlenecked for derived class override.
* @return The next node on the axis, or DTM.NULL.
*/
protected abstract int getNextNode();
/**
* Returns the next node in the set and advances the position of the
* iterator in the set. After a NodeIterator is created, the first call
* to nextNode() returns the first node in the set.
*
* @return The next <code>Node</code> in the set being iterated over, or
* <code>null</code> if there are no more members in that set.
*/
public int nextNode()
{
if(m_foundLast)
{
}
{
}
int next;
int savedStart;
if (-1 != m_stackFrame)
{
// These three statements need to be combined into one operation.
}
else
{
// Yuck. Just to shut up the compiler!
savedStart = 0;
}
try
{
do
{
next = getNextNode();
{
break;
else
continue;
}
else
break;
}
{
m_pos++;
return next;
}
else
{
m_foundLast = true;
}
}
finally
{
if (-1 != m_stackFrame)
{
// These two statements need to be combined into one operation.
}
}
}
/**
* Get a cloned Iterator that is reset to the beginning
* of the query.
*
* @return A cloned NodeIterator set of the start of the query.
*
* @throws CloneNotSupportedException
*/
{
return clone;
}
}