net.sf.saxon.expr.parser

Interface XPathParser.Accelerator

All Known Implementing Classes:

QuickXPathParser

Enclosing class:

XPathParser

public static interface XPathParser.Accelerator

Method Summary

Modifier and Type	Method and Description
Expression	parse(Tokenizer t, StaticContext env, java.lang.String expression, int start, int terminator) Attempt fast parsing of an expression, provided it is sufficiently simple.

Method Detail

parse

Expression parse(Tokenizer t,
                 StaticContext env,
                 java.lang.String expression,
                 int start,
                 int terminator)

Attempt fast parsing of an expression, provided it is sufficiently simple.

Parameters:

t - the tokenizer

env - the static context

expression - the string containing expression to be parsed

start - start position within the input string

terminator - either EOF or RCURLY, indicating how parsing should end

Returns:

either the parsed expression, or null if it is erroneous or too complex to parse.