Uses of Class
org.apache.xpath.Expression

Packages that use Expression

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.compiler	Implements an XPath parser which produces an OpMap, and a so-called Compiler which produces an expression tree for fast evaluation.
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 Expression in org.apache.xalan.templates

Subclasses of Expression in org.apache.xalan.templates

class	FuncDocument **For advanced use only** Execute the Doc() function.
class	FuncFormatNumb **For advanced use only** Execute the FormatNumber() function.
class	FuncKey **For advanced use only** 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.

Methods in org.apache.xalan.templates that return Expression

Expression	ElemForEach.getSelect() Get the "select" attribute.
Expression	ElemForEach.getExpression()

Methods in org.apache.xalan.templates with parameters of type Expression

void	ElemForEach.setExpression(Expression exp)
boolean	RedundentExprEliminator.visitPredicate(ExpressionOwner owner, Expression pred) Visit a predicate within a location path.

Uses of Expression in org.apache.xalan.transformer

Subclasses of Expression in org.apache.xalan.transformer

class	KeyIterator **For internal use only** 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 **For internal use only** This class filters nodes from a key iterator, according to whether or not the use value matches the ref value.

Uses of Expression in org.apache.xpath

Methods in org.apache.xpath that return Expression

Expression	ExpressionOwner.getExpression() Get the raw Expression object that this class wraps.
Expression	XPath.getExpression() Get the raw Expression object that this class wraps.

Methods in org.apache.xpath with parameters of type Expression

boolean	XPathVisitor.visitPredicate(ExpressionOwner owner, Expression pred) Visit a predicate within a location path.
abstract boolean	Expression.deepEquals(Expression expr) Compare this object with another object and see if they are equal, include the sub heararchy.
void	ExpressionOwner.setExpression(Expression exp) Set the raw expression object for this object.
void	XPath.setExpression(Expression exp) Set the raw expression object for this object.

Constructors in org.apache.xpath with parameters of type Expression

XPath.XPath(Expression expr)
Construct an XPath object.

Uses of Expression in org.apache.xpath.axes

Subclasses of Expression in org.apache.xpath.axes

class	AttributeIterator **For advanced use only** 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 **For advanced use only** This class implements an optimized iterator for "node()" patterns, that is, any children of the context node.
class	ChildTestIterator **For advanced use only** This class implements an optimized iterator for children patterns that have a node test, and possibly a predicate.
class	DescendantIterator **For advanced use only** 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 **For advanced use only** 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 **For advanced use only** This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate.
class	OneStepIteratorForward **For advanced use only** This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate, that only go forward (i.e.
class	PredicatedNodeTest
class	ReverseAxesWalker Walker for a reverse axes.
class	SelfIteratorNoPredicate **For advanced use only** 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 **For advanced use only** 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 **For internal use only** This class iterates over set of nodes that needs to be sorted.

Methods in org.apache.xpath.axes that return Expression

Expression	PredicatedNodeTest.getPredicate(int index) Get a predicate expression at the given index.
Expression	FilterExprIterator.getInnerExpression() Get the inner contained expression of this filter.
Expression	AxesWalker.getExpression()
Expression	FilterExprWalker.getInnerExpression() Get the inner contained expression of this filter.
Expression	WalkingIterator.getExpression()
Expression	FilterExprIteratorSimple.getInnerExpression() Get the inner contained expression of this filter.

Methods in org.apache.xpath.axes with parameters of type Expression

boolean	PredicatedNodeTest.deepEquals(Expression expr)
boolean	OneStepIteratorForward.deepEquals(Expression expr)
boolean	HasPositionalPredChecker.visitPredicate(ExpressionOwner owner, Expression pred) Visit a predicate within a location path.
boolean	UnionPathIterator.deepEquals(Expression expr)
void	FilterExprIterator.setInnerExpression(Expression expr) Set the inner contained expression of this filter.
boolean	FilterExprIterator.deepEquals(Expression expr)
void	AxesWalker.setExpression(Expression exp)
boolean	AxesWalker.deepEquals(Expression expr)
void	FilterExprWalker.setInnerExpression(Expression expr) Set the inner contained expression of this filter.
boolean	FilterExprWalker.deepEquals(Expression expr)
void	WalkingIterator.setExpression(Expression exp)
boolean	WalkingIterator.deepEquals(Expression expr)
boolean	DescendantIterator.deepEquals(Expression expr)
boolean	OneStepIterator.deepEquals(Expression expr)
static XNodeSet	FilterExprIteratorSimple.executeFilterExpr(int context, XPathContext xctxt, PrefixResolver prefixResolver, boolean isTopLevel, int stackFrame, Expression expr) Execute the expression.
void	FilterExprIteratorSimple.setInnerExpression(Expression expr) Set the inner contained expression of this filter.
boolean	FilterExprIteratorSimple.deepEquals(Expression expr)

Constructors in org.apache.xpath.axes with parameters of type Expression

FilterExprIterator.FilterExprIterator(Expression expr)
Create a ChildTestIterator object.

FilterExprIteratorSimple.FilterExprIteratorSimple(Expression expr)
Create a ChildTestIterator object.

Uses of Expression in org.apache.xpath.compiler

Methods in org.apache.xpath.compiler that return Expression

Expression	Compiler.compile(int opPos) **For advanced use only** Execute the XPath object from a given opcode position.
Expression	Compiler.locationPath(int opPos) Compile a location path.
Expression	Compiler.predicate(int opPos) Compile a location step predicate expression.
Expression	Compiler.locationPathPattern(int opPos) Compile a location match pattern unit expression.
Expression[]	Compiler.getCompiledPredicates(int opPos) Compile a zero or more predicates for a given match pattern.

Methods in org.apache.xpath.compiler with parameters of type Expression

static int	FunctionTable.installFunction(java.lang.String name, Expression func) Install a built-in function.
static void	FunctionTable.installFunction(Expression func, int funcIndex) Install a function loader at a specific index.

Uses of Expression in org.apache.xpath.functions

Subclasses of Expression in org.apache.xpath.functions

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

Methods in org.apache.xpath.functions that return Expression

Expression	FunctionOneArg.getArg0() Return the first argument passed to the function (at index 0).
Expression	FunctionOneArg.getExpression()
Expression	Function2Args.getArg1() Return the second argument passed to the function (at index 1).
Expression	Function3Args.getArg2() Return the third argument passed to the function (at index 2).
Expression[]	FunctionMultiArgs.getArgs() Return an expression array containing arguments at index 3 or greater.
Expression	FuncExtFunction.getArg(int n) Return the nth argument passed to the extension function.

Methods in org.apache.xpath.functions with parameters of type Expression

void	Function.setArg(Expression arg, int argNum) Set an argument expression for a function.
boolean	Function.deepEquals(Expression expr)
void	FunctionOneArg.setArg(Expression arg, int argNum) Set an argument expression for a function.
void	FunctionOneArg.setExpression(Expression exp)
boolean	FunctionOneArg.deepEquals(Expression expr)
void	Function2Args.setArg(Expression arg, int argNum) Set an argument expression for a function.
boolean	Function2Args.deepEquals(Expression expr)
void	Function3Args.setArg(Expression arg, int argNum) Set an argument expression for a function.
boolean	Function3Args.deepEquals(Expression expr)
void	FunctionMultiArgs.setArg(Expression arg, int argNum) Set an argument expression for a function.
boolean	FunctionMultiArgs.deepEquals(Expression expr)
void	FuncExtFunction.setArg(Expression arg, int argNum) Set an argument expression for a function.

Uses of Expression in org.apache.xpath.objects

Subclasses of Expression in org.apache.xpath.objects

class	XBoolean **For advanced use only** This class represents an XPath boolean object, and is capable of converting the boolean to other types, such as a string.
class	XBooleanStatic **For internal use only** 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

Methods in org.apache.xpath.objects with parameters of type Expression

boolean

XObject.deepEquals(Expression expr)

Constructors in org.apache.xpath.objects with parameters of type Expression

XRTreeFrag.XRTreeFrag(Expression expr)
Create an XRTreeFrag Object.

XRTreeFragSelectWrapper.XRTreeFragSelectWrapper(Expression expr)

Uses of Expression in org.apache.xpath.operations

Subclasses of Expression in org.apache.xpath.operations

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 '!=' operation expression executer.
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.

Methods in org.apache.xpath.operations that return Expression

Expression	Operation.getLeftOperand()
Expression	Operation.getRightOperand()
Expression	Operation.getExpression()
Expression	UnaryOperation.getOperand()
Expression	UnaryOperation.getExpression()

Methods in org.apache.xpath.operations with parameters of type Expression

void	Operation.setLeftRight(Expression l, Expression r) Set the left and right operand expressions for this operation.
void	Operation.setExpression(Expression exp)
boolean	Operation.deepEquals(Expression expr)
void	UnaryOperation.setRight(Expression r) Set the expression operand for the operation.
void	UnaryOperation.setExpression(Expression exp)
boolean	UnaryOperation.deepEquals(Expression expr)
boolean	Variable.deepEquals(Expression expr)

Uses of Expression in org.apache.xpath.patterns

Subclasses of Expression in org.apache.xpath.patterns

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

Methods in org.apache.xpath.patterns that return Expression

Expression[]	StepPattern.getPredicates() Set the list of predicate expressions for this pattern step.
Expression	StepPattern.getPredicate(int i) Get a predicate expression.
Expression	StepPattern.getExpression()

Methods in org.apache.xpath.patterns with parameters of type Expression

boolean	NodeTest.deepEquals(Expression expr)
boolean	UnionPattern.deepEquals(Expression expr)
void	StepPattern.setPredicates(Expression[] predicates) Set the predicates for this match pattern step.
void	StepPattern.setExpression(Expression exp)
boolean	StepPattern.deepEquals(Expression expr)

Constructors in org.apache.xpath.patterns with parameters of type Expression

FunctionPattern.FunctionPattern(Expression expr, int axis, int predaxis)
Construct a FunctionPattern from a expression.