public class NodeListExpression extends NodeSetExpression
staticContext
Constructor and Description |
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NodeListExpression(Expression exp)
Constructor
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Modifier and Type | Method and Description |
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void |
display(int level)
Diagnostic print of expression structure
|
NodeEnumeration |
enumerate(Context c,
boolean sort)
Return an enumeration that returns the nodes in document order
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int |
getDependencies()
Determine which aspects of the context the expression depends on.
|
Expression |
reduce(int dependencies,
Context context)
Perform a partial evaluation of the expression, by eliminating specified dependencies
on the context.
|
Expression |
simplify()
Simplify the expression
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evaluate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsString, getDataType, outputStringValue, selectFirst
containsReferences, evaluateAsNumber, getStaticContext, indent, isContextDocumentNodeSet, make, setStaticContext, usesCurrent
public NodeListExpression(Expression exp)
exp
- The expression that delivers the unsorted node-setpublic Expression simplify() throws XPathException
simplify
in class Expression
XPathException
public int getDependencies()
getDependencies
in class Expression
public Expression reduce(int dependencies, Context context) throws XPathException
reduce
in class Expression
dependencies
- The dependencies to be removedcontext
- The context to be used for the partial evaluationXPathException
public NodeEnumeration enumerate(Context c, boolean sort) throws XPathException
enumerate
in class NodeSetExpression
c
- the evaluation contextsort:
- ignored, this class is used because the enumeration is always in
document orderXPathException
- when the expression does not return a nodeset.public void display(int level)
display
in class Expression