net.sf.saxon.functions
public class SystemProperty extends SystemFunction implements XSLTFunction
operation
argument
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties
Constructor and Description |
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SystemProperty() |
Modifier and Type | Method and Description |
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void |
checkArguments(ExpressionVisitor visitor)
Method called during static type checking
|
Item |
evaluateItem(XPathContext context)
Evaluate the function at run-time
|
static java.lang.String |
getProperty(java.lang.String uri,
java.lang.String local,
Configuration config)
Here's the real code:
|
Expression |
preEvaluate(ExpressionVisitor visitor)
preEvaluate: this method performs compile-time evaluation for properties in the XSLT namespace only
|
addContextDocumentArgument, addDocToPathMap, computeCardinality, computeSpecialProperties, copy, getDetails, getErrorCodeForTypeErrors, getItemType, getRequiredType, makeSystemFunction, optimize, setDetails, useContextItemAsDefault
addExternalFunctionCallToPathMap, checkArgumentCount, equals, explain, getArguments, getDisplayName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheck
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
public void checkArguments(ExpressionVisitor visitor) throws XPathException
SystemFunction
checkArguments
in class SystemFunction
visitor
- the expression visitorXPathException
public Expression preEvaluate(ExpressionVisitor visitor) throws XPathException
preEvaluate
in class FunctionCall
visitor
- an expression visitorXPathException
public Item evaluateItem(XPathContext context) throws XPathException
evaluateItem
in interface EvaluableItem
evaluateItem
in class Expression
context
- The context in which the expression is to be evaluatedXPathException
- if any dynamic error occurs evaluating the
expressionpublic static java.lang.String getProperty(java.lang.String uri, java.lang.String local, Configuration config)
uri
- the namespace URI of the system property namelocal
- the local part of the system property nameconfig
- the Saxon configuration