Package com.saxonica.expr

Class SaxonSyntaxExtension

java.lang.Object

net.sf.saxon.expr.parser.ParserExtension

com.saxonica.expr.SaxonSyntaxExtension

Direct Known Subclasses:

XQueryParserExtensionPE

public class SaxonSyntaxExtension
extends ParserExtension

Parser extension for syntax in XPath that is accepted only in Saxon-PE and -EE. This means Saxon-defined syntax extensions.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SaxonSyntaxExtension.UnderscoreFunctionDetails

Nested classes/interfaces inherited from class net.sf.saxon.expr.parser.ParserExtension

ParserExtension.TemporaryXSLTVariableBinding

Constructor Summary

Constructors

Constructor	Description
SaxonSyntaxExtension()

Method Summary

Modifier and Type	Method	Description
Expression	bindNumericParameterReference(XPathParser p)
void	handleExternalFunctionDeclaration(XQueryParser p, XQueryFunction func)
Expression	parseDotFunction(XPathParser p)
protected Expression	parseForMemberExpression(XPathParser p)	Parse a for-member expression (Saxon extension): for member $x in expr return expr
Expression	parseTypePattern(XPathParser p)	Parse an extended XSLT pattern in the form item-type (predicate)* (but excluding the predicates)
Expression	parseUnderscoreFunction(XPathParser p)	Saxon extension: inline functions of the form _{$1 + $2}

Methods inherited from class net.sf.saxon.expr.parser.ParserExtension

createDynamicCurriedFunction, curryFunction, makeCurriedFunction, parseExtendedExprSingle, parseExtendedItemType, parseFunctionItemType, parseNamedFunctionReference, parseRevalidationDeclaration, parseTypeAliasDeclaration, parseUpdatingFunctionDeclaration

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SaxonSyntaxExtension

public SaxonSyntaxExtension()

Method Detail

parseTypePattern

public Expression parseTypePattern(XPathParser p)
                            throws XPathException

Parse an extended XSLT pattern in the form item-type (predicate)* (but excluding the predicates)

Overrides:

parseTypePattern in class ParserExtension

Parameters:

p - the XPath parser

Returns:

the equivalent expression in the form .[. instance of type] (predicate)*

Throws:

XPathException - if a static error is found

parseDotFunction

public Expression parseDotFunction(XPathParser p)
                            throws XPathException

Overrides:

parseDotFunction in class ParserExtension

Throws:

XPathException

parseUnderscoreFunction

public Expression parseUnderscoreFunction(XPathParser p)
                                   throws XPathException

Saxon extension: inline functions of the form _{$1 + $2}

Overrides:

parseUnderscoreFunction in class ParserExtension

Parameters:

p - the XPath parser

Returns:

the compiled expression

Throws:

XPathException - if syntax is incorrect

bindNumericParameterReference

public Expression bindNumericParameterReference(XPathParser p)
                                         throws XPathException

Overrides:

bindNumericParameterReference in class ParserExtension

Throws:

XPathException

handleExternalFunctionDeclaration

public void handleExternalFunctionDeclaration(XQueryParser p,
                                              XQueryFunction func)
                                       throws XPathException

Overrides:

handleExternalFunctionDeclaration in class ParserExtension

Throws:

XPathException

parseForMemberExpression

protected Expression parseForMemberExpression(XPathParser p)
                                       throws XPathException

Parse a for-member expression (Saxon extension): for member $x in expr return expr

Overrides:

parseForMemberExpression in class ParserExtension

Parameters:

p - the XPath parser

Returns:

the resulting subexpression

Throws:

XPathException - if any error is encountered