## Uses of Interface
org.apache.xpath.XPathVisitable

Packages that use XPathVisitable
org.apache.xalan.templates: Implements the `Templates` interface, and defines a set of classes that represent an XSLT stylesheet.
org.apache.xalan.transformer: In charge of run-time transformations and the production of result trees.
org.apache.xpath: Implementation of XPath; for the most part, only classes meant for public use are found at this root level of the XPath packages.
org.apache.xpath.axes: Implementation of XPath LocationPath support -- primary classes are LocPathIterator and UnionPathIterator.
org.apache.xpath.functions: Implements XPath functions -- each function is derived from Function, FunctionOneArg, Function2Args, etc, with number-of-arguments checking being applied mainly at compile time -- this package only implements XPath functions, XSLT functions are found in the "templates" package.
org.apache.xpath.objects: Implementation of XPath polymorphic type objects -- this package will grow as XPath objects are expanded to support XML Schema data types.
org.apache.xpath.operations: Support for XPath operations, such as +, -, string(), etc.
org.apache.xpath.patterns: Implementation of XPath nodeTest support, and XSLT pattern matching support.

Uses of XPathVisitable in org.apache.xalan.templates

Classes in org.apache.xalan.templates that implement XPathVisitable
`class` `FuncDocument` Execute the Doc() function.
`class` `FuncFormatNumb` Execute the FormatNumber() function.
`class` `FuncKey` Execute the Key() function.
`class` `XUnresolvedVariable` An instance of this class holds unto a variable until it is executed.
`class` `XUnresolvedVariableSimple` This is the same as XUnresolvedVariable, but it assumes that the context is already set up.

Uses of XPathVisitable in org.apache.xalan.transformer

Classes in org.apache.xalan.transformer that implement XPathVisitable
`class` `KeyIterator` This class implements an optimized iterator for "key()" patterns, matching each node to the match attribute in one or more xsl:key declarations.
`class` `KeyRefIterator` This class filters nodes from a key iterator, according to whether or not the use value matches the ref value.

Uses of XPathVisitable in org.apache.xpath

Classes in org.apache.xpath that implement XPathVisitable
`class` `Expression` This abstract class serves as the base for all expression objects.

Uses of XPathVisitable in org.apache.xpath.axes

Classes in org.apache.xpath.axes that implement XPathVisitable
`class` `AttributeIterator` This class implements an optimized iterator for attribute axes patterns.
`class` `AxesWalker` Serves as common interface for axes Walkers, and stores common state variables.
`class` `BasicTestIterator` Base for iterators that handle predicates.
`class` `ChildIterator` This class implements an optimized iterator for "node()" patterns, that is, any children of the context node.
`class` `ChildTestIterator` This class implements an optimized iterator for children patterns that have a node test, and possibly a predicate.
`class` `DescendantIterator` This class implements an optimized iterator for descendant, descendant-or-self, or "//foo" patterns.
`class` `FilterExprIterator`
`class` `FilterExprIteratorSimple` Class to use for one-step iteration that doesn't have a predicate, and doesn't need to set the context.
`class` `FilterExprWalker` Walker for the OP_VARIABLE, or OP_EXTFUNCTION, or OP_FUNCTION, or OP_GROUP, op codes.
`class` `LocPathIterator` This class extends NodeSetDTM, which implements NodeIterator, and fetches nodes one at a time in document order based on a XPath `class` `MatchPatternIterator` This class treats a LocationPath as a filtered iteration over the tree, evaluating each node in a super axis traversal against the LocationPath interpreted as a match pattern.
`class` `NodeSequence` This class is the dynamic wrapper for a Xalan DTMIterator instance, and provides random access capabilities.
`class` `OneStepIterator` This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate.
`class` `OneStepIteratorForward` This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate, that only go forward (i.e. it can not be used with ancestors, preceding, etc.)
`class` `PredicatedNodeTest`
`class` `ReverseAxesWalker` Walker for a reverse axes.
`class` `SelfIteratorNoPredicate` This class implements an optimized iterator for "." patterns, that is, the self axes without any predicates.
`class` `UnionChildIterator` This class defines a simplified type of union iterator that only tests along the child axes.
`class` `UnionPathIterator` This class extends NodeSetDTM, which implements DTMIterator, and fetches nodes one at a time in document order based on a XPath UnionExpr.
`class` `WalkingIterator` Location path iterator that uses Walkers.
`class` `WalkingIteratorSorted` This class iterates over set of nodes that needs to be sorted.

Uses of XPathVisitable in org.apache.xpath.functions

Classes in org.apache.xpath.functions that implement XPathVisitable
`class` `FuncBoolean` Execute the Boolean() function.
`class` `FuncCeiling` Execute the Ceiling() function.
`class` `FuncConcat` Execute the Concat() function.
`class` `FuncContains` Execute the Contains() function.
`class` `FuncCount` Execute the Count() function.
`class` `FuncCurrent` Execute the current() function.
`class` `FuncDoclocation` Execute the proprietary document-location() function, which returns a node set of documents.
`class` `FuncExtElementAvailable` Execute the ExtElementAvailable() function.
`class` `FuncExtFunction` An object of this class represents an extension call expression.
`class` `FuncExtFunctionAvailable` Execute the ExtFunctionAvailable() function.
`class` `FuncFalse` Execute the False() function.
`class` `FuncFloor` Execute the Floor() function.
`class` `FuncGenerateId` Execute the GenerateId() function.
`class` `FuncId` Execute the Id() function.
`class` `FuncLang` Execute the Lang() function.
`class` `FuncLast` Execute the Last() function.
`class` `FuncLocalPart` Execute the LocalPart() function.
`class` `FuncNamespace` Execute the Namespace() function.
`class` `FuncNormalizeSpace` Execute the normalize-space() function.
`class` `FuncNot` Execute the Not() function.
`class` `FuncNumber` Execute the Number() function.
`class` `FuncPosition` Execute the Position() function.
`class` `FuncQname` Execute the Qname() function.
`class` `FuncRound` Execute the round() function.
`class` `FuncStartsWith` Execute the StartsWith() function.
`class` `FuncString` Execute the String() function.
`class` `FuncStringLength` Execute the StringLength() function.
`class` `FuncSubstring` Execute the Substring() function.
`class` `FuncSubstringAfter` Execute the SubstringAfter() function.
`class` `FuncSubstringBefore` Execute the SubstringBefore() function.
`class` `FuncSum` Execute the Sum() function.
`class` `FuncSystemProperty` Execute the SystemProperty() function.
`class` `Function` This is a superclass of all XPath functions.
`class` `Function2Args` Base class for functions that accept two arguments.
`class` `Function3Args` Base class for functions that accept three arguments.
`class` `FunctionDef1Arg` Base class for functions that accept one argument that can be defaulted if not specified.
`class` `FunctionMultiArgs` Base class for functions that accept an undetermined number of multiple arguments.
`class` `FunctionOneArg` Base class for functions that accept one argument.
`class` `FuncTranslate` Execute the Translate() function.
`class` `FuncTrue` Execute the True() function.
`class` `FuncUnparsedEntityURI`

Uses of XPathVisitable in org.apache.xpath.objects

Classes in org.apache.xpath.objects that implement XPathVisitable
`class` `XBoolean` This class represents an XPath boolean object, and is capable of converting the boolean to other types, such as a string.
`class` `XBooleanStatic` This class doesn't have any XPathContext, so override whatever to ensure it works OK.
`class` `XNodeSet` This class represents an XPath nodeset object, and is capable of converting the nodeset to other types, such as a string.
`class` `XNodeSetForDOM` This class overrides the XNodeSet#object() method to provide the original Node object, NodeList object, or NodeIterator.
`class` `XNull` This class represents an XPath null object, and is capable of converting the null to other types, such as a string.
`class` `XNumber` This class represents an XPath number, and is capable of converting the number to other types, such as a string.
`class` `XObject` This class represents an XPath object, and is capable of converting the object to various types, such as a string.
`class` `XRTreeFrag` This class represents an XPath result tree fragment object, and is capable of converting the RTF to other types, such as a string.
`class` `XRTreeFragSelectWrapper` This class makes an select statement act like an result tree fragment.
`class` `XString` This class represents an XPath string object, and is capable of converting the string to other types, such as a number.
`class` `XStringForChars` This class will wrap a FastStringBuffer and allow for
`class` `XStringForFSB` This class will wrap a FastStringBuffer and allow for

Uses of XPathVisitable in org.apache.xpath.operations

Classes in org.apache.xpath.operations that implement XPathVisitable
`class` `And` The 'and' operation expression executer.
`class` `Bool` The 'boolean()' operation expression executer.
`class` `Div` The 'div' operation expression executer.
`class` `Equals` The '=' operation expression executer.
`class` `Gt` The '>' operation expression executer.
`class` `Gte` The '>=' operation expression executer.
`class` `Lt` The '<' operation expression executer.
`class` `Lte` The '<=' operation expression executer.
`class` `Minus` The binary '-' operation expression executer.
`class` `Mod` The 'mod' operation expression executer.
`class` `Mult` The '*' operation expression executer.
`class` `Neg` The unary '-' operation expression executer.
`class` `NotEquals` The '!
`class` `Number` The 'number()' operation expression executer.
`class` `Operation` The baseclass for a binary operation.
`class` `Or` The 'or' operation expression executer.
`class` `Plus` The '+' operation expression executer.
`class` `Quo` Deprecated.
`class` `String` The 'string()' operation expression executer.
`class` `UnaryOperation` The unary operation base class.
`class` `Variable` The variable reference expression executer.
`class` `VariableSafeAbsRef` This is a "smart" variable reference that is used in situations where an absolute path is optimized into a variable reference, but may be used in some situations where the document context may have changed.

Uses of XPathVisitable in org.apache.xpath.patterns

Classes in org.apache.xpath.patterns that implement XPathVisitable
`class` `ContextMatchStepPattern` Special context node pattern matcher.
`class` `FunctionPattern` Match pattern step that contains a function.
`class` `NodeTest` This is the basic node test class for both match patterns and location path steps.
`class` `StepPattern` This class represents a single pattern match step.
`class` `UnionPattern` This class represents a union pattern, which can have multiple individual StepPattern patterns.

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