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

Packages that use ExpressionNode
org.apache.xalan.processor | Parses an XSLT stylesheet document (which may include and import other stylesheet documents) and produces a StylesheetRoot (a TRaX Templates object).
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 ExpressionNode in org.apache.xalan.processor

Classes in org.apache.xalan.processor that implement ExpressionNode
`class` | `ProcessorCharacters` This class processes character events for a XSLT template element.
`class` | `ProcessorExsltFuncResult` This class processes parse events for an exslt func:result element.
`class` | `ProcessorExsltFunction` This class processes parse events for an exslt func:function element.
`class` | `ProcessorLRE` Processes an XSLT literal-result-element, or something that looks like one.
`class` | `ProcessorStylesheetDoc` This class processes the xsl:stylesheet element.
`class` | `ProcessorTemplateElem` This class processes parse events for an XSLT template element.
`class` | `ProcessorText` Process xsl:text.
`class` | `ProcessorUnknown` This class processes an unknown template element.
`class` | `WhitespaceInfoPaths`
`class` | `XSLTElementProcessor` This class acts as the superclass for all stylesheet element processors, and deals with things that are common to all elements.

Uses of ExpressionNode in org.apache.xalan.templates

Classes in org.apache.xalan.templates that implement ExpressionNode
`class` | `DecimalFormatProperties` Implement xsl:decimal-format.
`class` | `ElemApplyImport` Implement xsl:apply-imports.
`class` | `ElemApplyTemplates` Implement xsl:apply-templates.
`class` | `ElemAttribute` Implement xsl:attribute.
`class` | `ElemAttributeSet` Implement xsl:attribute-set.
`class` | `ElemCallTemplate` Implement xsl:call-template.
`class` | `ElemChoose` Implement xsl:choose.
`class` | `ElemComment` Implement xsl:comment.
`class` | `ElemCopy` Implement xsl:copy.
`class` | `ElemCopyOf` Implement xsl:copy-of.
`class` | `ElemElement` Implement xsl:element
`class` | `ElemEmpty` Simple empty elem to push on the stack when nothing else got pushed, so that pop() works correctly.
`class` | `ElemExsltFuncResult` Handles the EXSLT result element within an EXSLT function element.
`class` | `ElemExsltFunction` Implement func:function.
`class` | `ElemExtensionCall` Implement an extension element.
`class` | `ElemExtensionDecl` Implement the declaration of an extension element
`class` | `ElemExtensionScript` Implement Script extension element
`class` | `ElemFallback` Implement xsl:fallback.
`class` | `ElemForEach` Implement xsl:for-each.
`class` | `ElemIf` Implement xsl:if.
`class` | `ElemLiteralResult` Implement a Literal Result Element.
`class` | `ElemMessage` Implement xsl:message.
`class` | `ElemNumber` Implement xsl:number.
`class` | `ElemOtherwise` Implement xsl:otherwise.
`class` | `ElemParam` Implement xsl:param.
`class` | `ElemPI` Implement xsl:processing-instruction.
`class` | `ElemSort` Implement xsl:sort.
`class` | `ElemTemplate` Implement xsl:template.
`class` | `ElemTemplateElement` An instance of this class represents an element inside an xsl:template class.
`class` | `ElemText` Implement xsl:template.
`class` | `ElemTextLiteral` Implement a text literal.
`class` | `ElemUnknown` Implement an unknown element
`class` | `ElemUse` Implement xsl:use.
`class` | `ElemValueOf` Implement xsl:value-of.
`class` | `ElemVariable` Implement xsl:variable.
`class` | `ElemVariablePsuedo`
`class` | `ElemWhen` Implement xsl:when.
`class` | `ElemWithParam` Implement xsl:with-param.
`class` | `FuncDocument` Execute the Doc() function.
`class` | `FuncFormatNumb` Execute the FormatNumber() function.
`class` | `FuncKey` Execute the Key() function.
`class` | `KeyDeclaration` Holds the attribute declarations for the xsl:keys element.
`class` | `NamespaceAlias` Object to hold an xsl:namespace element.
`class` | `OutputProperties` This class provides information from xsl:output elements.
`class` | `Stylesheet` Represents a stylesheet element.
`class` | `StylesheetComposed` Represents a stylesheet that has methods that resolve includes and imports.
`class` | `StylesheetRoot` This class represents the root object of the stylesheet tree.
`class` | `WhiteSpaceInfo` This is used as a special "fake" template that can be handled by the TemplateList to do pattern matching on nodes.
`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.

Methods in org.apache.xalan.templates that return ExpressionNode
`ExpressionNode` | `ElemTemplateElement.exprGetParent()` Get the ExpressionNode parent of this node.
`ExpressionNode` | `ElemTemplateElement.exprGetChild(int i)` This method returns a child node.

Methods in org.apache.xalan.templates with parameters of type ExpressionNode
`void` | `ElemTemplateElement.exprSetParent(ExpressionNode n)` Set the parent of this node.
`void` | `ElemTemplateElement.exprAddChild(ExpressionNode n, int i)` This method tells the node to add its argument to the node's list of children.

Uses of ExpressionNode in org.apache.xalan.transformer

Classes in org.apache.xalan.transformer that implement ExpressionNode
`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 ExpressionNode in org.apache.xpath

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

Methods in org.apache.xpath that return ExpressionNode
`ExpressionNode` | `ExpressionNode.exprGetParent()`
`ExpressionNode` | `ExpressionNode.exprGetChild(int i)` This method returns a child node.
`ExpressionNode` | `Expression.getExpressionOwner()` Get the first non-Expression parent of this node.
`ExpressionNode` | `Expression.exprGetParent()`
`ExpressionNode` | `Expression.exprGetChild(int i)` This method returns a child node.

Methods in org.apache.xpath with parameters of type ExpressionNode
`Node` | `XPathException.getStylesheetNode(ExpressionNode ex)` Get the XSLT ElemVariable that this sub-expression references.
`void` | `ExpressionNode.exprSetParent(ExpressionNode n)` This pair of methods are used to inform the node of its parent.
`void` | `ExpressionNode.exprAddChild(ExpressionNode n, int i)` This method tells the node to add its argument to the node's list of children.
`void` | `Expression.exprSetParent(ExpressionNode n)` This pair of methods are used to inform the node of its parent.
`void` | `Expression.exprAddChild(ExpressionNode n, int i)` This method tells the node to add its argument to the node's list of children.

Constructors in org.apache.xpath with parameters of type ExpressionNode
`XPathException(java.lang.String message, ExpressionNode ex)` Create an XPathException object that holds an error message.

Uses of ExpressionNode in org.apache.xpath.axes

Classes in org.apache.xpath.axes that implement ExpressionNode
`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 ExpressionNode in org.apache.xpath.functions

Classes in org.apache.xpath.functions that implement ExpressionNode
`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`

Methods in org.apache.xpath.functions with parameters of type ExpressionNode
`void` | `FuncExtFunction.exprSetParent(ExpressionNode n)` Set the parent node.

Uses of ExpressionNode in org.apache.xpath.objects

Classes in org.apache.xpath.objects that implement ExpressionNode
`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

Constructors in org.apache.xpath.objects with parameters of type ExpressionNode
`XRTreeFrag(int root, XPathContext xctxt, ExpressionNode parent)` Create an XRTreeFrag Object.

Uses of ExpressionNode in org.apache.xpath.operations

Classes in org.apache.xpath.operations that implement ExpressionNode
`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` The 'quo' operation expression executer.
`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 ExpressionNode in org.apache.xpath.patterns

Classes in org.apache.xpath.patterns that implement ExpressionNode
`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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