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java.lang.Objectnet.sf.saxon.expr.Expression
net.sf.saxon.expr.FunctionCall
net.sf.saxon.functions.SystemFunction
net.sf.saxon.functions.CollatingFunction
net.sf.saxon.functions.SubstringBefore
public class SubstringBefore
Implements the fn:substring-before() function
| Field Summary |
|---|
| Fields inherited from class net.sf.saxon.functions.CollatingFunction |
|---|
stringCollator |
| Fields inherited from class net.sf.saxon.functions.SystemFunction |
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operation |
| Fields inherited from class net.sf.saxon.expr.FunctionCall |
|---|
argument |
| Fields inherited from class net.sf.saxon.expr.Expression |
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EFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, EVENT_FEED_METHOD, ITEM_FEED_METHOD, ITERATE_METHOD, locationId, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, PROCESS_METHOD, PUSH_SELECTION, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, WATCH_METHOD |
| Constructor Summary | |
|---|---|
SubstringBefore()
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| Method Summary | |
|---|---|
Item |
evaluateItem(XPathContext context)
Evaluate the function |
| Methods inherited from class net.sf.saxon.functions.CollatingFunction |
|---|
checkArguments, copy, equals, expandCollationURI, getAbsoluteCollationURI, getAtomicComparer, getCollator, getExpressionBaseURI, getStringCollator |
| Methods inherited from class net.sf.saxon.functions.SystemFunction |
|---|
addContextDocumentArgument, addDocToPathMap, computeCardinality, computeSpecialProperties, getDetails, getErrorCodeForTypeErrors, getImplementationMethod, getItemType, getOperation, getRequiredType, makeSystemFunction, optimize, setDetails, useContextItemAsDefault |
| Methods inherited from class net.sf.saxon.expr.FunctionCall |
|---|
addExternalFunctionCallToPathMap, checkArgumentCount, explain, getArguments, getDisplayName, getExpressionName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, preEvaluate, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheck |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public SubstringBefore()
| Method Detail |
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public Item evaluateItem(XPathContext context)
throws XPathException
evaluateItem in class Expressioncontext - The context in which the expression is to be evaluated
XPathException - if any dynamic error occurs evaluating the
expression
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