| /* Generated By:JJTree: Do not edit this line. ExprSequence.java */ |
| |
| package org.apache.xpath.seqctor; |
| |
| import java.util.Vector; |
| |
| import javax.xml.transform.TransformerException; |
| import org.apache.xpath.Expression; |
| import org.apache.xpath.ExpressionOwner; |
| import org.apache.xpath.VariableComposeState; |
| import org.apache.xpath.XPathContext; |
| import org.apache.xpath.XPathVisitor; |
| import org.apache.xpath.objects.XObject; |
| import org.apache.xpath.parser.Node; |
| import org.apache.xpath.parser.Token; |
| |
| public class ExprSequence extends Expression implements ExpressionOwner |
| { |
| |
| Vector m_exprs = new Vector(); |
| |
| public void jjtAddChild(Node n, int i) |
| { |
| n = fixupPrimarys(n); |
| if(null == m_exprs) |
| m_exprs = new Vector(); |
| if(i >= m_exprs.size()) |
| { |
| m_exprs.setSize(i+1); |
| } |
| m_exprs.setElementAt(n, i); |
| } |
| |
| public Node jjtGetChild(int i) |
| { |
| if(null == m_exprs) |
| return null; |
| else |
| return (Node)m_exprs.elementAt(i); |
| } |
| |
| public int jjtGetNumChildren() |
| { |
| if(null == m_exprs) |
| return 0; |
| else |
| return m_exprs.size(); |
| } |
| |
| |
| /** |
| * @see Expression#deepEquals(Expression) |
| * Dummy stub. |
| */ |
| public boolean deepEquals(Expression expr) |
| { |
| return false; |
| } |
| |
| |
| /** |
| * @see Expression#fixupVariables(Vector, int) |
| * Dummy stub. |
| */ |
| public void fixupVariables(VariableComposeState vcs) |
| { |
| Vector exprs = m_exprs; |
| int vsize = exprs.size(); |
| for (int i = 0; i < vsize; i++) |
| { |
| Expression val = (Expression)exprs.elementAt(i); |
| val.fixupVariables(vcs); |
| } |
| } |
| |
| |
| /** |
| * @see Expression#execute(XPathContext) |
| * Dummy stub. |
| */ |
| public XObject execute(XPathContext xctxt) throws TransformerException |
| { |
| return new ExprSequenceIter(m_exprs, xctxt); |
| } |
| |
| |
| /** |
| * @see XPathVisitable#callVisitors(ExpressionOwner, XPathVisitor) |
| * Dummy stub. |
| */ |
| public void callVisitors(ExpressionOwner owner, XPathVisitor visitor) |
| { |
| } |
| |
| |
| /** |
| * @see ExpressionOwner#getExpression() |
| */ |
| public Expression getExpression() |
| { |
| return null; |
| } |
| |
| /** |
| * @see ExpressionOwner#setExpression(Expression) |
| */ |
| public void setExpression(Expression exp) |
| { |
| } |
| |
| /** |
| * @see SimpleNode#shouldReduceIfOneChild() |
| */ |
| public boolean shouldReduceIfOneChild() |
| { |
| return (jjtGetNumChildren() == 1) ? true : false; |
| } |
| /** |
| * @see org.apache.xpath.parser.SimpleNode#isPathExprReduced() |
| */ |
| public boolean isPathExprReduced() |
| { |
| return (null == m_exprs) ? false : true; |
| } |
| |
| } |