com.saxonica.update
Class UpdateParser

java.lang.Object
  net.sf.saxon.expr.parser.ExpressionParser
      net.sf.saxon.query.QueryParser
          com.saxonica.update.UpdateParser

public class UpdateParser
extends QueryParser

Parser for the XQuery Update extensions

Nested Class Summary

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

ExpressionParser.TemporaryContainer

Field Summary

Fields inherited from class net.sf.saxon.query.QueryParser

executable, FUNCTION_IS_NONDETERMINISTIC, FUNCTION_IS_PRIVATE, FUNCTION_IS_UPDATING, importedModules, queryVersion, XQUERY10, XQUERY30

Fields inherited from class net.sf.saxon.expr.parser.ExpressionParser

allowXPath30Syntax, defaultContainer, env, language, languageVersion, nameChecker, rangeVariables, scanOnly, SEQUENCE_TYPE, t, XPATH, XQUERY, XSLT_PATTERN

Constructor Summary

UpdateParser()

Method Summary

int	getPermittedFunctions() Get the permitted set of standard functions in this environment
Expression	parseExprSingle() Parse an ExprSingle
protected void	parseRevalidationDeclaration() Parse the "declare revalidation" declaration.
protected void	parseUpdatingFunctionDeclaration() Parse an updating function declaration (allowed in XQuery Update only)

Methods inherited from class net.sf.saxon.query.QueryParser

applyModuleImport, atStartOfRelativePath, checkForClauseAllowingEmpty, customizeTokenizer, getExecutable, getLanguage, grumble, lookAhead, makeLetExpression, makeSimpleContent, makeStringJoin, makeStringLiteral, makeXQueryExpression, newParser, normalizeEQName, parseAnnotations, parseConstructor, parseContextItemDeclaration, parseCountClause, parseDecimalFormatDeclaration, parseDefaultDecimalFormat, parseExtensionExpression, parseFLWORExpression, parseFunctionDeclaration, parseGroupByClause, parseLibraryModule, parseNamedNamespaceConstructor, parseNamespaceConstructor, parseTypeswitchExpression, parseValidateExpression, parseWindowClause, readCollationName, setDefaultValue, setDisableCycleChecks, setExecutable, stringify, URILiteral

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

currentTokenDisplay, declareRangeVariable, disallowedAtStartOfRelativePath, expect, findRangeVariable, getCodeInjector, getDefaultContainer, getNameChecker, getRangeVariables, getStaticContext, getTokenizer, grumble, grumble, grumble, grumble, isKeyword, isNamespaceTestAllowed, makeCurriedFunction, makeLocalNameTest, makeNameCode, makeNameCodeSilently, makeNamespaceTest, makeNameTest, makeNodeName, makeStructuredQName, makeTracer, nextToken, parse, parseBasicStep, parseBinaryExpression, parseDynamicFunctionCall, parseExpression, parseFunctionArgument, parseFunctionCall, parseFunctionItemType, parseInlineFunction, parseItemType, parseLiteralFunctionItem, parseMapExpression, parseMapItemType, parseNodeTest, parseNumericLiteral, parseParenthesizedItemType, parsePathExpression, parsePredicate, parseRelativePath, parseRemainingPath, parseSequenceType, parseSequenceType, parseStepExpression, parseStringLiteral, parseSwitchExpression, parseTryCatchExpression, parseTypePattern, parseVariableReference, reportMissingFunction, resolveFunctionName, setCodeInjector, setDefaultContainer, setLanguage, setLocation, setLocation, setRangeVariables, setRangeVariableStack, setScanOnly, undeclareRangeVariable, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

UpdateParser

public UpdateParser()

Method Detail

getPermittedFunctions

public int getPermittedFunctions()

Get the permitted set of standard functions in this environment

Overrides:

getPermittedFunctions in class QueryParser

Returns:

a code indicating which system library functions are supported in this version of the language

parseRevalidationDeclaration

protected void parseRevalidationDeclaration()
                                     throws XPathException

Parse the "declare revalidation" declaration. Syntax: <"declare" "revalidation"> ("strict" | "lax" | "skip")

Overrides:

parseRevalidationDeclaration in class QueryParser

Throws:

XPathException

parseUpdatingFunctionDeclaration

protected void parseUpdatingFunctionDeclaration()
                                         throws XPathException

Parse an updating function declaration (allowed in XQuery Update only)

Overrides:

parseUpdatingFunctionDeclaration in class QueryParser

Throws:

XPathException - if parsing fails or if updating functions are not allowed

parseExprSingle

public Expression parseExprSingle()
                           throws XPathException

Parse an ExprSingle

Overrides:

parseExprSingle in class ExpressionParser

Returns:

the resulting subexpression

Throws:

XPathException - if any error is encountered