# Package org.apache.xpath.patterns

Implementation of XPath nodeTest support, and XSLT pattern matching support.

See: Description

Interface Summary
Interface | Description
--- | ---
NodeTestFilter | This interface should be implemented by Nodes and/or iterators, when they need to know what the node test is before they do getNextChild, etc.

Class Summary
Class | Description
--- | ---
ContextMatchStepPattern | Special context node pattern matcher.
FunctionPattern | Match pattern step that contains a function.
NodeTest | This is the basic node test class for both match patterns and location path steps.
StepPattern | This class represents a single pattern match step.
UnionPattern | This class represents a union pattern, which can have multiple individual StepPattern patterns.

## Package org.apache.xpath.patterns Description

Implementation of XPath nodeTest support, and XSLT pattern matching support.