Package net.sf.saxon.functions
Class NamespaceForPrefix
java.lang.Object
net.sf.saxon.expr.Expression
net.sf.saxon.expr.FunctionCall
net.sf.saxon.functions.SystemFunction
net.sf.saxon.functions.NamespaceForPrefix
- All Implemented Interfaces:
Serializable,SourceLocator,LocationProvider,SaxonLocator,EvaluableItem,SequenceIterable,InstructionInfo,Locator
This class supports the function namespace-uri-for-prefix()
- See Also:
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Field Summary
Fields inherited from class net.sf.saxon.functions.SystemFunction
operationFields inherited from class net.sf.saxon.expr.FunctionCall
argumentFields inherited from class net.sf.saxon.expr.Expression
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties -
Constructor Summary
Constructors -
Method Summary
Methods inherited from class net.sf.saxon.functions.SystemFunction
addContextDocumentArgument, addDocToPathMap, checkArguments, computeCardinality, computeSpecialProperties, copy, getDetails, getErrorCodeForTypeErrors, getItemType, getRequiredType, makeSystemFunction, optimize, setDetails, useContextItemAsDefaultMethods inherited from class net.sf.saxon.expr.FunctionCall
addExternalFunctionCallToPathMap, checkArgumentCount, equals, explain, getArguments, getDisplayName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, preEvaluate, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheckMethods inherited from class net.sf.saxon.expr.Expression
addToPathMap, adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, display, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, evaluatePendingUpdates, explain, findParentOf, getCardinality, getColumnNumber, getColumnNumber, getConstructType, getContainer, getDependencies, getExecutable, getHostLanguage, getImplementationMethod, getIntrinsicDependencies, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, getSystemId, hasLoopingSubexpression, implementsStaticTypeCheck, isUpdatingExpression, iterate, iterateEvents, markTailFunctionCalls, process, resetLocalStaticProperties, setContainer, setFiltered, setFlattened, setLocationId, staticTypeCheck, suppressValidation, typeError
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Constructor Details
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NamespaceForPrefix
public NamespaceForPrefix()
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Method Details
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evaluateItem
Evaluate the function- Specified by:
evaluateItemin interfaceEvaluableItem- Overrides:
evaluateItemin classExpression- Parameters:
context- the XPath dynamic context- Returns:
- the URI corresponding to the prefix supplied in the first argument, or null if the prefix is not in scope
- Throws:
XPathException- if a failure occurs evaluating the arguments
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