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java.lang.Objectcom.icl.saxon.expr.Expression
com.icl.saxon.expr.Function
com.icl.saxon.functions.SubstringBefore
| Field Summary |
| Fields inherited from class com.icl.saxon.expr.Function |
argument |
| Fields inherited from class com.icl.saxon.expr.Expression |
staticContext |
| Constructor Summary | |
SubstringBefore()
|
|
| Method Summary | |
Value |
evaluate(Context c)
Evaluate in a general context |
java.lang.String |
evaluateAsString(Context context)
Evaluate the function in a string context |
int |
getDataType()
Determine the data type of the expression |
int |
getDependencies()
Get dependencies |
java.lang.String |
getName()
Get the name of the function. |
Expression |
reduce(int dep,
Context c)
Remove 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, evaluateAsNodeSet, evaluateAsNumber, getStaticContext, indent, isContextDocumentNodeSet, 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 SubstringBefore()
| Method Detail |
public java.lang.String getName()
Function
getName in class Functionpublic int getDataType()
getDataType in class Expression
public Expression simplify()
throws XPathException
simplify in class ExpressionXPathException
public java.lang.String evaluateAsString(Context context)
throws XPathException
evaluateAsString in class Expressioncontext - The context in which the expression is to be evaluated
XPathException
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
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