Package com.saxonica.functions.qt4

Class CharFn

java.lang.Object

net.sf.saxon.functions.AbstractFunction

net.sf.saxon.functions.SystemFunction

com.saxonica.functions.qt4.CharFn

All Implemented Interfaces:

Callable, FunctionItem, GroundedValue, Item, Sequence

public class CharFn
extends SystemFunction

Implements the fn:char() function. This expands HTML-defined entity references or numeric character references

Field Summary

Fields

Modifier and Type	Field	Description
static UnicodeString	NewLineName

Constructor Summary

Constructors

Constructor	Description
CharFn()

Method Summary

Modifier and Type	Method	Description
Sequence	call(XPathContext context, Sequence[] arguments)	Evaluate this function call
Sequence	invalid(UnicodeString name)
UnicodeString	readEntity(UnicodeString name)

Methods inherited from class net.sf.saxon.functions.SystemFunction

dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getContextNode, getDescription, getDetails, getElaborator, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, getStreamerName, getUniStringArg, hashCode, importAttributes, isSequenceVariadic, isTrustedResultType, makeCall, makeFunction, makeFunction40, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, supplyTypeInformation, toShortString, toString, typeCheckCaller

Methods inherited from class net.sf.saxon.functions.AbstractFunction

atomize, deepEqual40, deepEquals, effectiveBooleanValue, getAnnotations, getUnicodeStringValue, isArray, isMap, makeNewContext, simplify, typeCheck

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.sf.saxon.om.FunctionItem

getGenre

Methods inherited from interface net.sf.saxon.om.GroundedValue

asIterable, concatenate, containsNode, materialize

Methods inherited from interface net.sf.saxon.om.Item

getLength, getStringValue, head, isStreamed, itemAt, iterate, reduce, subsequence

Methods inherited from interface net.sf.saxon.om.Sequence

makeRepeatable

Field Details

NewLineName

public static UnicodeString NewLineName

Constructor Details

CharFn

public CharFn()

Method Details

call

public Sequence call(XPathContext context,
 Sequence[] arguments)
              throws XPathException

Evaluate this function call

Parameters:

context - The XPath dynamic evaluation context

arguments - The values of the arguments to the function call. Each argument value (which is in general a sequence) is supplied in the form of a sequence.

Returns:

the results of the function.

Throws:

XPathException - if a dynamic error occurs during evaluation of the function. The Saxon run-time code will add information about the error location.

invalid

public Sequence invalid(UnicodeString name)
                 throws XPathException

Throws:

XPathException

readEntity

public UnicodeString readEntity(UnicodeString name)
                         throws XPathException

Throws:

XPathException