: Package com.hp.hpl.sparta.xpath

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Package com.hp.hpl.sparta.xpath

XPath parse trees over which Visitor objects can traverse to apply the XPath expression to DOM nodes.

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Description

Interface Summary

Visitor Something that crawls over the parse tree.

Class Summary

AllElementTest A '*' node test.

AttrEqualsExpr A '@attrName = "value"' test.

AttrExistsExpr A '@attrName' test to see if attribute exists.

AttrExpr A boolean test on an attribute.

AttrNotEqualsExpr A '@attrName != "value"' test.

AttrTest A node test for an element with a particular tagname.

BooleanExpr an expression that returns a boolean value.

ElementTest A node test for an element with a particular tagname.

ExprFactory A utility that parses a stream of tokens and creates the appropriate sub-class of BooleanExpr.

NodeTest The test for a nodeset that appears before the optional [predicate] in an xpath step.

ParentNodeTest A '..' node test.

PositionEqualsExpr Test position within element list.

Step One of the steps which, separated by slashes, make up an XPath expression.

TextTest A "text()" node test in a Xpath step.

ThisNodeTest A '.' node test.

TrueExpr The boolean constant "true".

XPath The root of the parse tree for an XPath expression.

Exception Summary

XPathException Thrown when some problem parsing or executing an XPath expression.

Package com.hp.hpl.sparta.xpath Description