Package org.exolab.adaptx.xpath.engine

Class Parser

  • public class Parser
extends java.lang.Object
    A class for parsing expression strings
    Version:
    $Revision: 4090 $ $Date: 2004-01-24 02:21:23 +0100 (Sat, 24 Jan 2004) $
    Author:
    Keith Visco

    • Constructor Summary

      Constructors 
      Constructor Description
      Parser()  

    • Constructor Detail

      • Parser

        public Parser()

    • Method Detail

      • createExpr

        public static XPathExpression createExpr​(java.lang.String exprString)
                                  throws XPathException
        Creates an Expr from the given String
        Parameters:
        exprString - the String to create the Expr from
        Returns:
        the new Expr
        Throws:
        InvalidExprException - when a parsing error occurs
        XPathException

      • createLiteralExpr

        public static XPathExpression createLiteralExpr​(java.lang.String literal)
        Creates a literal expression, which simply evaluates to the given string literal.
        Parameters:
        literal - the string literal the literal expression should evaluate to.
        Returns:
        an XPathExpression which will evaluate to the given string literal.

      • createFunctionCall

        public static FunctionCall createFunctionCall​(java.lang.String name)
                                       throws XPathException
        Creates the appropriate FunctionCall based on the given name
        Parameters:
        name - the name of the function to call
        params - the List of Expr paramaters for the function call
        Returns:
        the new FunctionCall
        Throws:
        XPathException

      • createMatchExpr

        public static MatchExpression createMatchExpr​(java.lang.String matchString)
                                       throws XPathException
        Parses the a pattern String into a MatchExpr
        Parameters:
        matchString - the pattern string to create the MatchExpr from
        Returns:
        the new MatchExpr
        Throws:
        InvalidExprException
        XPathException

      • createPathExpr

        public static PathExpr createPathExpr​(java.lang.String pattern)
                               throws XPathException
        Creates a PathExpr from the string argument.
        Parameters:
        pattern - the string to create the PathExpr from
        Returns:
        the new PathExpr
        Throws:
        InvalidExprException
        XPathException

      • createSelectExpr

        public static SelectExpr createSelectExpr​(java.lang.String selectString)
                                   throws XPathException
        Parses the a pattern String into a SelectExpr
        Parameters:
        selectString - the pattern string to create the SelectExpr from
        Returns:
        the new SelectExpr
        Throws:
        XSLException
        XPathException

      • createUnionExpr

        public static UnionExpr createUnionExpr​(java.lang.String pattern)
                                 throws XPathException
        Creates a UnionExpr from the given string argument.
        Parameters:
        pattern - the string to create the UnionExpr from
        Returns:
        the new UnionExpr
        Throws:
        InvalidExprException
        XPathException