org.exist.xquery.functions
Class FunStringToCodepoints

java.lang.Object
  org.exist.xquery.AbstractExpression
      org.exist.xquery.PathExpr
          org.exist.xquery.Function
              org.exist.xquery.BasicFunction
                  org.exist.xquery.functions.FunStringToCodepoints

All Implemented Interfaces:

CompiledXQuery, Expression, org.xmldb.api.base.CompiledExpression

public class FunStringToCodepoints
extends BasicFunction

Field Summary

static FunctionSignature

signature

Fields inherited from class org.exist.xquery.Function

BUILTIN_FUNCTION_NS

Fields inherited from interface org.exist.xquery.Expression

DOT_TEST, EXPRESSION_ID_INVALID, IGNORE_CONTEXT, IN_NODE_CONSTRUCTOR, IN_PREDICATE, IN_UPDATE, IN_WHERE_CLAUSE, NEED_INDEX_INFO, NO_CONTEXT_ID, POSITIONAL_PREDICATE, SINGLE_STEP_EXECUTION, USE_TREE_TRAVERSAL

Constructor Summary

FunStringToCodepoints(XQueryContext context)

Method Summary

static String	codePointToString(IntegerValue value) The method codePointToString
Sequence	eval(Sequence[] args, Sequence contextSequence) Process the function.
static int	getCodePointCount(String s) The method getCodePointCount
static ValueSequence	getCodePoints(String s) The method getCodePoints
static int	indexOf(ValueSequence seq, IntegerValue value) The method indexOf
static String	subSequence(ValueSequence seq, int start) The method subSequence
static String	subSequence(ValueSequence seq, int start, int end) The method subSequence

Methods inherited from class org.exist.xquery.BasicFunction

eval

Methods inherited from class org.exist.xquery.Function

accept, analyze, createFunction, dump, getArgument, getArgumentCount, getArguments, getCardinality, getDependencies, getName, getParent, getSignature, isCalledAs, returnsType, setArguments, setParent, setPrimaryAxis, toString

Methods inherited from class org.exist.xquery.PathExpr

add, add, addPath, addPredicate, dump, getColumn, getContext, getDocumentSet, getExpression, getLastExpression, getLength, getLine, getLiteralValue, getPrimaryAxis, isValid, replaceExpression, replaceLastExpression, reset, resetState, setContext, setUseStaticContext

Methods inherited from class org.exist.xquery.AbstractExpression

eval, getContextDocSet, getContextId, getExpressionId, getSource, setASTNode, setContextDocSet, setLocation

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.exist.xquery.CompiledXQuery

eval, getSource

Field Detail

signature

public static final FunctionSignature signature

Constructor Detail

FunStringToCodepoints

public FunStringToCodepoints(XQueryContext context)

Method Detail

eval

public Sequence eval(Sequence[] args,
                     Sequence contextSequence)
              throws XPathException

Description copied from class: BasicFunction

Process the function. All arguments are passed in the array args. The number of arguments, their type and cardinality have already been checked to match the function signature.

Specified by:

eval in class BasicFunction

Throws:

XPathException

getCodePoints

public static ValueSequence getCodePoints(String s)

The method getCodePoints

Parameters:

s - a String value

Returns:

a ValueSequence value

getCodePointCount

public static int getCodePointCount(String s)

The method getCodePointCount

Parameters:

s - a String value

Returns:

a ValueSequence value

subSequence

public static String subSequence(ValueSequence seq,
                                 int start)
                          throws XPathException

The method subSequence

Parameters:

seq - a ValueSequence value

start - an int value

Returns:

a ValueSequence value

Throws:

XPathException - if an error occurs

subSequence

public static String subSequence(ValueSequence seq,
                                 int start,
                                 int end)
                          throws XPathException

The method subSequence

Parameters:

seq - a ValueSequence value

start - an int value

end - an int value

Returns:

a ValueSequence value

Throws:

XPathException - if an error occurs

codePointToString

public static String codePointToString(IntegerValue value)
                                throws XPathException

The method codePointToString

Parameters:

value - an IntegerValue value

Returns:

a String value

Throws:

XPathException - if an error occurs

indexOf

public static int indexOf(ValueSequence seq,
                          IntegerValue value)

The method indexOf

Parameters:

seq - a ValueSequence value

value - an IntegerValue value

Returns:

a int value