Uses of Class
org.apache.commons.jxpath.ri.EvalContext

Packages that use EvalContext

Package	Description
org.apache.commons.jxpath.ri	Reference implementation of JXPath.
org.apache.commons.jxpath.ri.axes	Implementations of EvalContext used for different XPath axes (child::, parent:: etc).
org.apache.commons.jxpath.ri.compiler	XPath parse tree.

Uses of EvalContext in org.apache.commons.jxpath.ri

Fields in org.apache.commons.jxpath.ri declared as EvalContext

Modifier and Type	Field	Description
protected EvalContext	EvalContext.parentContext	parent context

Methods in org.apache.commons.jxpath.ri that return EvalContext

Modifier and Type	Method	Description
EvalContext	JXPathContextReferenceImpl.getAbsoluteRootContext()	Get the absolute root context.
private EvalContext	JXPathContextReferenceImpl.getEvalContext()	Get the evaluation context.

Constructors in org.apache.commons.jxpath.ri with parameters of type EvalContext

Constructor	Description
EvalContext(EvalContext parentContext)	Create a new EvalContext.

Uses of EvalContext in org.apache.commons.jxpath.ri.axes

Subclasses of EvalContext in org.apache.commons.jxpath.ri.axes

Modifier and Type	Class	Description
class	AncestorContext	EvalContext that walks the "ancestor::" and "ancestor-or-self::" axes.
class	AttributeContext	EvalContext that walks the "attribute::" axis.
class	ChildContext	EvalContext that can walk the "child::", "following-sibling::" and "preceding-sibling::" axes.
class	DescendantContext	An EvalContext that walks the "descendant::" and "descendant-or-self::" axes.
class	InitialContext	A single-set EvalContext that provides access to the current node of the parent context and nothing else.
class	NamespaceContext	EvalContext that walks the "namespace::" axis.
class	NodeSetContext	A simple context that is based on a NodeSet.
class	ParentContext	EvalContext that walks the "parent::" axis.
class	PrecedingOrFollowingContext	EvalContext that walks the "preceding::" and "following::" axes.
class	PredicateContext	EvalContext that checks predicates.
class	RootContext	EvalContext that is used to hold the root node for the path traversal.
class	SelfContext	EvalContext that returns the current node from the parent context if the test succeeds.
class	UnionContext	EvalContext that represents a union between other contexts - result of a union operation like (a | b)

Fields in org.apache.commons.jxpath.ri.axes declared as EvalContext

Modifier and Type	Field	Description
private EvalContext[]	UnionContext.contexts

Methods in org.apache.commons.jxpath.ri.axes that return EvalContext

Modifier and Type	Method	Description
EvalContext	RootContext.getAbsoluteRootContext()	Get absolute root context
EvalContext	RootContext.getConstantContext(java.lang.Object constant)	Get a context that points to the specified object.
EvalContext	RootContext.getVariableContext(QName variableName)	Get variable context.

Methods in org.apache.commons.jxpath.ri.axes with parameters of type EvalContext

Modifier and Type	Method	Description
static NodePointer	SimplePathInterpreter.createNullPointer(EvalContext context, NodePointer parent, Step[] steps, int currentStep)	Creates a "null pointer" that a) represents the requested path and b) can be used for creation of missing nodes in the path.
private static NodePointer	SimplePathInterpreter.createNullPointerForPredicates(EvalContext context, NodePointer parent, Step[] steps, int currentStep, Expression[] predicates, int currentPredicate)	Creates a "null pointer" that starts with predicates.
private static NodePointer	SimplePathInterpreter.doPredicate(EvalContext context, NodePointer parent, Step[] steps, int currentStep, Expression[] predicates, int currentPredicate)	Evaluates predicates and proceeds with the subsequent steps of the path.
private static NodePointer	SimplePathInterpreter.doPredicateIndex(EvalContext context, NodePointer parent, Step[] steps, int currentStep, Expression[] predicates, int currentPredicate)	Evaluate a subscript predicate: see if the node is a collection and if the index is inside the collection.
private static NodePointer	SimplePathInterpreter.doPredicateName(EvalContext context, NodePointer parent, Step[] steps, int currentStep, Expression[] predicates, int currentPredicate)	Execute a NameAttributeTest predicate
private static NodePointer	SimplePathInterpreter.doPredicatesStandard(EvalContext context, java.util.List parents, Step[] steps, int currentStep, Expression[] predicates, int currentPredicate)	Called exclusively for standard InfoSet nodes, e.g.
private static NodePointer	SimplePathInterpreter.doStep(EvalContext context, NodePointer parent, Step[] steps, int currentStep)	Recursive evaluation of a path.
private static NodePointer	SimplePathInterpreter.doStepNoPredicatesPropertyOwner(EvalContext context, PropertyOwnerPointer parentPointer, Step[] steps, int currentStep)	We have a step that starts with a property owner (bean, map, etc) and has no predicates.
private static NodePointer	SimplePathInterpreter.doStepNoPredicatesStandard(EvalContext context, NodePointer parentPointer, Step[] steps, int currentStep)	A path that starts with a standard InfoSet node (e.g.
private static NodePointer	SimplePathInterpreter.doStepPredicatesPropertyOwner(EvalContext context, PropertyOwnerPointer parentPointer, Step[] steps, int currentStep)	A path that starts with a property owner.
private static NodePointer	SimplePathInterpreter.doStepPredicatesStandard(EvalContext context, NodePointer parent, Step[] steps, int currentStep)	A path that starts with a standard InfoSet node, e.g.
private static NodeIterator	SimplePathInterpreter.getNodeIterator(EvalContext context, NodePointer pointer, Step step)	Get a NodeIterator.
private static int	SimplePathInterpreter.indexFromPredicate(EvalContext context, Expression predicate)	Extract an integer from a subscript predicate.
static NodePointer	SimplePathInterpreter.interpretSimpleExpressionPath(EvalContext context, NodePointer root, Expression[] predicates, Step[] steps)	Interpret the steps of a simple expression path that starts with the given root, which is the result of evaluation of the root expression of the expression path, applies the given predicates to it and then follows the given steps.
static NodePointer	SimplePathInterpreter.interpretSimpleLocationPath(EvalContext context, NodePointer root, Step[] steps)	Interpret a simple path that starts with the given root and follows the given steps.
private static java.lang.String	SimplePathInterpreter.keyFromPredicate(EvalContext context, Expression predicate)	Extracts the string value of the expression from a predicate like [@name=expression].

Constructors in org.apache.commons.jxpath.ri.axes with parameters of type EvalContext

Constructor	Description
AncestorContext(EvalContext parentContext, boolean includeSelf, NodeTest nodeTest)	Create a new AncestorContext.
AttributeContext(EvalContext parentContext, NodeTest nodeTest)	Create a new AttributeContext.
ChildContext(EvalContext parentContext, NodeTest nodeTest, boolean startFromParentLocation, boolean reverse)	Create a new ChildContext.
DescendantContext(EvalContext parentContext, boolean includeSelf, NodeTest nodeTest)	Create a new DescendantContext.
InitialContext(EvalContext parentContext)	Create a new InitialContext.
NamespaceContext(EvalContext parentContext, NodeTest nodeTest)
NodeSetContext(EvalContext parentContext, NodeSet nodeSet)	Create a new NodeSetContext.
ParentContext(EvalContext parentContext, NodeTest nodeTest)	Create a new ParentContext.
PrecedingOrFollowingContext(EvalContext parentContext, NodeTest nodeTest, boolean reverse)	Create a new PrecedingOrFollowingContext.
PredicateContext(EvalContext parentContext, Expression expression)	Create a new PredicateContext.
SelfContext(EvalContext parentContext, NodeTest nodeTest)	Create a new SelfContext.
UnionContext(EvalContext parentContext, EvalContext[] contexts)	Create a new UnionContext.

Uses of EvalContext in org.apache.commons.jxpath.ri.compiler

Methods in org.apache.commons.jxpath.ri.compiler that return EvalContext

Modifier and Type	Method	Description
protected EvalContext	Path.buildContextChain(EvalContext context, int stepCount, boolean createInitialContext)	Build a context from a chain of contexts.
protected EvalContext	Path.createContextForStep(EvalContext context, int axis, NodeTest nodeTest)	Different axes are serviced by different contexts.
protected EvalContext	Path.evalSteps(EvalContext context)	Given a root context, walks a path therefrom and builds a context that contains all nodes matching the path.

Methods in org.apache.commons.jxpath.ri.compiler with parameters of type EvalContext

Modifier and Type	Method	Description
protected EvalContext	Path.buildContextChain(EvalContext context, int stepCount, boolean createInitialContext)	Build a context from a chain of contexts.
java.lang.Object	Constant.compute(EvalContext context)
java.lang.Object	CoreFunction.compute(EvalContext context)
java.lang.Object	CoreOperation.compute(EvalContext context)
abstract java.lang.Object	Expression.compute(EvalContext context)	Evaluates the expression.
java.lang.Object	ExpressionPath.compute(EvalContext context)
java.lang.Object	ExtensionFunction.compute(EvalContext context)
java.lang.Object	LocationPath.compute(EvalContext context)
java.lang.Object	VariableReference.compute(EvalContext context)
java.lang.Object	Constant.computeValue(EvalContext context)
java.lang.Object	CoreFunction.computeValue(EvalContext context)
abstract java.lang.Object	CoreOperation.computeValue(EvalContext context)
java.lang.Object	CoreOperationAdd.computeValue(EvalContext context)
java.lang.Object	CoreOperationAnd.computeValue(EvalContext context)
java.lang.Object	CoreOperationCompare.computeValue(EvalContext context)
java.lang.Object	CoreOperationDivide.computeValue(EvalContext context)
java.lang.Object	CoreOperationMod.computeValue(EvalContext context)
java.lang.Object	CoreOperationMultiply.computeValue(EvalContext context)
java.lang.Object	CoreOperationNegate.computeValue(EvalContext context)
java.lang.Object	CoreOperationOr.computeValue(EvalContext context)
java.lang.Object	CoreOperationRelationalExpression.computeValue(EvalContext context)
java.lang.Object	CoreOperationSubtract.computeValue(EvalContext context)
java.lang.Object	CoreOperationUnion.computeValue(EvalContext context)
abstract java.lang.Object	Expression.computeValue(EvalContext context)	Evaluates the expression.
java.lang.Object	ExpressionPath.computeValue(EvalContext context)
java.lang.Object	ExtensionFunction.computeValue(EvalContext context)
java.lang.Object	LocationPath.computeValue(EvalContext context)
java.lang.Object	VariableReference.computeValue(EvalContext context)	Returns the value of the variable.
protected EvalContext	Path.createContextForStep(EvalContext context, int axis, NodeTest nodeTest)	Different axes are serviced by different contexts.
protected boolean	CoreOperationCompare.equal(EvalContext context, Expression left, Expression right)	Compares two values.
protected EvalContext	Path.evalSteps(EvalContext context)	Given a root context, walks a path therefrom and builds a context that contains all nodes matching the path.
protected java.lang.Object	ExpressionPath.expressionPath(EvalContext evalContext, boolean firstMatch)	Walks an expression path (a path that starts with an expression)
protected java.lang.Object	CoreFunction.functionBoolean(EvalContext context)	boolean() implementation.
protected java.lang.Object	CoreFunction.functionCeiling(EvalContext context)	ceiling() implementation.
protected java.lang.Object	CoreFunction.functionConcat(EvalContext context)	concat() implementation.
protected java.lang.Object	CoreFunction.functionContains(EvalContext context)	contains() implementation.
protected java.lang.Object	CoreFunction.functionCount(EvalContext context)	count() implementation.
protected java.lang.Object	CoreFunction.functionFalse(EvalContext context)	false() implementation.
protected java.lang.Object	CoreFunction.functionFloor(EvalContext context)	floor() implementation.
private java.lang.Object	CoreFunction.functionFormatNumber(EvalContext context)	format-number() implementation.
protected java.lang.Object	CoreFunction.functionID(EvalContext context)	id() implementation.
protected java.lang.Object	CoreFunction.functionKey(EvalContext context)	key() implementation.
protected java.lang.Object	CoreFunction.functionLang(EvalContext context)	lang() implementation.
protected java.lang.Object	CoreFunction.functionLast(EvalContext context)	last() implementation.
protected java.lang.Object	CoreFunction.functionLocalName(EvalContext context)	local-name() implementation.
protected java.lang.Object	CoreFunction.functionName(EvalContext context)	name() implementation.
protected java.lang.Object	CoreFunction.functionNamespaceURI(EvalContext context)	namespace-uri() implementation.
protected java.lang.Object	CoreFunction.functionNormalizeSpace(EvalContext context)	normalize-space() implementation.
protected java.lang.Object	CoreFunction.functionNot(EvalContext context)	not() implementation.
protected java.lang.Object	CoreFunction.functionNull(EvalContext context)	null() implementation.
protected java.lang.Object	CoreFunction.functionNumber(EvalContext context)	number() implementation.
protected java.lang.Object	CoreFunction.functionPosition(EvalContext context)	position() implementation.
protected java.lang.Object	CoreFunction.functionRound(EvalContext context)	round() implementation.
protected java.lang.Object	CoreFunction.functionStartsWith(EvalContext context)	starts-with() implementation.
protected java.lang.Object	CoreFunction.functionString(EvalContext context)	string() implementation.
protected java.lang.Object	CoreFunction.functionStringLength(EvalContext context)	string-length() implementation.
protected java.lang.Object	CoreFunction.functionSubstring(EvalContext context)	substring() implementation.
protected java.lang.Object	CoreFunction.functionSubstringAfter(EvalContext context)	substring-after() implementation.
protected java.lang.Object	CoreFunction.functionSubstringBefore(EvalContext context)	substring-before() implementation.
protected java.lang.Object	CoreFunction.functionSum(EvalContext context)	sum() implementation.
protected java.lang.Object	CoreFunction.functionTranslate(EvalContext context)	translate() implementation.
protected java.lang.Object	CoreFunction.functionTrue(EvalContext context)	true() implementation.
protected Pointer	Path.getSingleNodePointerForSteps(EvalContext context)	Given a root context, walks a path therefrom and finds the pointer to the first element matching the path.
java.util.Iterator	Expression.iterate(EvalContext context)	Iterate over the values from the specified context.
java.util.Iterator	Expression.iteratePointers(EvalContext context)	Iterate over the pointers from the specified context.
protected Pointer	Path.searchForPath(EvalContext context)	The idea here is to return a NullPointer rather than null if that's at all possible.