|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Objectcom.icl.saxon.expr.Expression
com.icl.saxon.expr.Function
com.icl.saxon.functions.Current
| Field Summary |
| Fields inherited from class com.icl.saxon.expr.Function |
argument |
| Fields inherited from class com.icl.saxon.expr.Expression |
staticContext |
| Constructor Summary | |
Current()
|
|
| Method Summary | |
Value |
evaluate(Context c)
Evaluate in a general context |
NodeSetValue |
evaluateAsNodeSet(Context c)
Evaluate the function in a node-set context |
int |
getDataType()
Determine the data type of the expression |
int |
getDependencies()
Determine the dependencies |
java.lang.String |
getName()
Function name (for diagnostics) |
boolean |
isContextDocumentNodeSet()
Determine, in the case of an expression whose data type is Value.NODESET, whether all the nodes in the node-set are guaranteed to come from the same document as the context node. |
Expression |
reduce(int dep,
Context c)
Reduce the dependencies |
Expression |
simplify()
Simplify and validate. |
| Methods inherited from class com.icl.saxon.expr.Function |
addArgument, checkArgumentCount, display, getNumberOfArguments |
| Methods inherited from class com.icl.saxon.expr.Expression |
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNumber, evaluateAsString, getStaticContext, indent, make, outputStringValue, setStaticContext, usesCurrent |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public Current()
| Method Detail |
public java.lang.String getName()
getName in class Functionpublic int getDataType()
getDataType in class Expressionpublic boolean isContextDocumentNodeSet()
isContextDocumentNodeSet in class Expression
public Expression simplify()
throws XPathException
simplify in class ExpressionXPathException
public NodeSetValue evaluateAsNodeSet(Context c)
throws XPathException
evaluateAsNodeSet in class Expressionc - The context in which the expression is to be evaluated
XPathException - when the expression does not return a nodeset.
public Value evaluate(Context c)
throws XPathException
evaluate in class Expressionc - The context in which the expression is to be evaluated
XPathExceptionpublic int getDependencies()
getDependencies in class Expression
public Expression reduce(int dep,
Context c)
throws XPathException
reduce in class Expressiondep - The dependencies to be removed, e.g. Context.VARIABLESc - The context to be used for the partial evaluation
XPathException
|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||