net.sf.saxon.instruct

Class NamespaceConstructor

public class NamespaceConstructor extends SimpleNodeConstructor

A namespace constructor instruction. (xsl:namespace in XSLT 2.0, or namespace{}{} in XQuery 1.1)

Constructor Summary
	NamespaceConstructor(Expression name) Create an xsl:namespace instruction for dynamic construction of namespace nodes

Method Summary
Expression	copy() Copy an expression.
Item	evaluateItem(XPathContext context) Evaluate as an expression.
int	evaluateNameCode(XPathContext context)
void	explain(ExpressionPresenter out) Diagnostic print of expression structure.
int	getCardinality()
int	getInstructionNameCode() Set the name of this instruction for diagnostic and tracing purposes
ItemType	getItemType(TypeHierarchy th)
Iterator<Expression>	iterateSubExpressions()
void	localTypeCheck(ExpressionVisitor visitor, ItemType contextItemType)
void	processValue(CharSequence value, XPathContext context)
protected void	promoteInst(PromotionOffer offer)
boolean	replaceSubExpression(Expression original, Expression replacement) Replace one subexpression by a replacement subexpression
Expression	simplify(ExpressionVisitor visitor)

Constructor Detail

NamespaceConstructor

public NamespaceConstructor(Expression name)

Create an xsl:namespace instruction for dynamic construction of namespace nodes

Parameters: name the expression to evaluate the name of the node (that is, the prefix)

Method Detail

copy

public Expression copy()

Copy an expression. This makes a deep copy.

Returns: the copy of the original expression

evaluateItem

public Item evaluateItem(XPathContext context)

Evaluate as an expression. We rely on the fact that when these instructions are generated by XQuery, there will always be a valueExpression to evaluate the content