public XPathPredicateIterator(XPathPredicateIterator copy) : base(copy)
{
this.iterator = (XPathBaseIterator)copy.iterator.Clone();
this.predicate = copy.predicate;
this.resultType = copy.resultType;
this.pos = copy.pos;
}
public XPathSimpleIterator(XPathBaseIterator parent) : base(parent)
{
this.parent = parent;
navigator = parent.Current.Clone();
current = navigator.Clone();
pos = 0;
}
public XPathSimpleIterator(XPathBaseIterator parent) : base (parent)
{
this.parent = parent;
navigator = parent.Current.Clone();
current = navigator.Clone();
pos = 0;
}
/* caveat: the base ctor gets the useless parent arg */
public XPathUnionIterator(XPathUnionIterator copy) : base(copy.parent)
{
this.left = (XPathBaseIterator)copy.left.Clone();
this.right = (XPathBaseIterator)copy.right.Clone();
this.moveRight = copy.moveRight;
this.moveLeft = copy.moveLeft;
}
public XPathPredicateIterator(XPathBaseIterator iterator,
Expression predicate)
: base(iterator)
{
this.iterator = iterator;
this.predicate = predicate;
this.resultType = predicate.ReturnType;
}
public XPathUnionIterator(XPathBaseIterator iterator,
XPathBaseIterator left,
XPathBaseIterator right)
: base(iterator)
{
this.left = left;
this.right = right;
this.current = null;
}
public XPathPrecedingSiblingIterator(XPathBaseIterator iterator)
: base(iterator)
{
start = iterator.Current.Clone();
if (start.NodeType == XPathNodeType.Attribute ||
start.NodeType == XPathNodeType.Namespace)
{
finished = true;
}
navigator.MoveToFirst();
}
public override bool MoveNext()
{
//TODO: depth first traversal - fix when doing Evaluate
while (rhs == null || !rhs.MoveNext())
{
if (!lhs.MoveNext())
{
return(false);
}
rhs = (XPathBaseIterator)expr.Evaluate(lhs);
}
pos++;
// We have already done an rhs.MoveNext()
return(true);
}
public XPathAttributeIterator (XPathBaseIterator iterator) : base (iterator)
{
}
public XPathPrecedingIterator(XPathBaseIterator iterator) : base(iterator)
{
/* remember where we started from and go up the tree */
start = iterator.Current.Clone();
this.navigator.MoveToRoot();
}
public XPathSlashIterator(XPathSlashIterator copy)
: base(copy)
{
this.lhs = (XPathBaseIterator) copy.lhs.Clone();
this.expr = copy.expr;
}
public XPathAttributeIterator(XPathBaseIterator iterator) : base(iterator)
{
}
public XPathFollowingSiblingIterator (XPathBaseIterator iterator)
: base (iterator)
{
}
public XPathPrecedingIterator (XPathBaseIterator iterator) : base (iterator)
{
/* remember where we started from and go up the tree */
start = iterator.Current.Clone();
this.navigator.MoveToRoot();
}
public XPathBaseIterator (XPathBaseIterator parent)
{
this.nsManager = parent.nsManager;
}
public XPathSlashIterator(XPathSlashIterator copy)
: base(copy)
{
this.lhs = (XPathBaseIterator)copy.lhs.Clone();
this.expr = copy.expr;
}
public XPathSlashIterator(XPathBaseIterator lhs, Expression expr)
: base(lhs)
{
this.lhs = lhs;
this.expr = expr;
}
public XPathBaseIterator(XPathBaseIterator parent)
{
this.nsManager = parent.nsManager;
}
public XPathNamespaceIterator(XPathBaseIterator iterator)
: base(iterator)
{
}
public XPathFollowingSiblingIterator(XPathBaseIterator iterator)
: base(iterator)
{
}
public XPathAncestorOrSelfIterator (XPathBaseIterator iterator) : base (iterator)
{
}
public XPathParentIterator(XPathBaseIterator iterator) : base(iterator)
{
}
public XPathParentIterator (XPathBaseIterator iterator) : base (iterator)
{
}
public XPathAncestorOrSelfIterator(XPathBaseIterator iterator) : base(iterator)
{
}
public XPathDescendantOrSelfIterator (XPathBaseIterator iterator) : base (iterator)
{
}
public XPathPredicateIterator(XPathBaseIterator iterator,
Expression predicate)
: base (iterator)
{
this.iterator = iterator;
this.predicate = predicate;
this.resultType = predicate.ReturnType;
}
public XPathPrecedingSiblingIterator (XPathBaseIterator iterator)
: base (iterator)
{
start = iterator.Current.Clone();
if(start.NodeType == XPathNodeType.Attribute ||
start.NodeType == XPathNodeType.Namespace)
{
finished = true;
}
navigator.MoveToFirst();
}
public XPathUnionIterator(XPathBaseIterator iterator,
XPathBaseIterator left,
XPathBaseIterator right)
: base(iterator)
{
this.left = left;
this.right = right;
this.current = null;
}
public XPathNamespaceIterator (XPathBaseIterator iterator)
: base (iterator)
{
}
public XPathChildIterator(XPathBaseIterator iterator) : base(iterator)
{
}
public XPathSlashIterator (XPathBaseIterator lhs, Expression expr)
: base(lhs)
{
this.lhs = lhs;
this.expr = expr;
}
public XPathChildIterator (XPathBaseIterator iterator) : base (iterator)
{
}
public override bool MoveNext()
{
//TODO: depth first traversal - fix when doing Evaluate
while(rhs == null || !rhs.MoveNext())
{
if(!lhs.MoveNext())
{
return false;
}
rhs = (XPathBaseIterator)expr.Evaluate(lhs);
}
pos++;
// We have already done an rhs.MoveNext()
return true;
}
public XPathDescendantOrSelfIterator(XPathBaseIterator iterator) : base(iterator)
{
}
public XPathPredicateIterator(XPathPredicateIterator copy) : base(copy)
{
this.iterator = (XPathBaseIterator) copy.iterator.Clone();
this.predicate = copy.predicate;
this.resultType = copy.resultType;
this.pos = copy.pos;
}
public XPathSelfIterator(XPathBaseIterator parent) : base(parent)
{
}
/* caveat: the base ctor gets the useless parent arg */
public XPathUnionIterator(XPathUnionIterator copy) : base(copy.parent)
{
this.left = (XPathBaseIterator)copy.left.Clone();
this.right = (XPathBaseIterator)copy.right.Clone();
this.moveRight = copy.moveRight;
this.moveLeft = copy.moveLeft;
}
public XPathSelfIterator(XPathBaseIterator parent) : base(parent)
{
}
