net.sf.saxon.functions
public class CodepointsToString extends SystemFunction
operation
argument
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties
Constructor and Description |
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CodepointsToString() |
Modifier and Type | Method and Description |
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Item |
evaluateItem(XPathContext c)
Evaluate
|
Expression |
preEvaluate(ExpressionVisitor visitor)
Pre-evaluate a function at compile time.
|
static java.lang.CharSequence |
unicodeToString(SequenceIterator chars,
XPathContext context)
Return the Unicode string corresponding to a given sequence of Unicode code values
|
addContextDocumentArgument, addDocToPathMap, checkArguments, 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 Expression preEvaluate(ExpressionVisitor visitor) throws XPathException
preEvaluate
in class FunctionCall
visitor
- an expression visitorXPathException
public Item evaluateItem(XPathContext c) throws XPathException
evaluateItem
in interface EvaluableItem
evaluateItem
in class Expression
c
- The context in which the expression is to be evaluatedXPathException
- if any dynamic error occurs evaluating the
expressionpublic static java.lang.CharSequence unicodeToString(SequenceIterator chars, XPathContext context) throws XPathException
chars
- iterator delivering the characters as integer valuescontext
- the evaluation contextXPathException
- if any of the integers is not the codepoint of a valid XML character