Package org.jsoup.select

Class StructuralEvaluator

java.lang.Object

org.jsoup.select.Evaluator

org.jsoup.select.StructuralEvaluator

Direct Known Subclasses:

StructuralEvaluator.Ancestor, StructuralEvaluator.Has, StructuralEvaluator.ImmediateParentRun, StructuralEvaluator.ImmediatePreviousSibling, StructuralEvaluator.Is, StructuralEvaluator.Not, StructuralEvaluator.PreviousSibling

abstract class StructuralEvaluator
extends Evaluator

Base structural evaluator.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	StructuralEvaluator.Ancestor	Any Ancestor (i.e., ascending parent chain.).
(package private) static class	StructuralEvaluator.Has
(package private) static class	StructuralEvaluator.ImmediateParentRun	Holds a list of evaluators for one > two > three immediate parent matches, and the final direct evaluator under test.
(package private) static class	StructuralEvaluator.ImmediatePreviousSibling
(package private) static class	StructuralEvaluator.Is	Implements the :is(sub-query) pseudo-selector
(package private) static class	StructuralEvaluator.Not
(package private) static class	StructuralEvaluator.PreviousSibling
(package private) static class	StructuralEvaluator.Root

Nested classes/interfaces inherited from class org.jsoup.select.Evaluator

Evaluator.AllElements, Evaluator.Attribute, Evaluator.AttributeKeyPair, Evaluator.AttributeStarting, Evaluator.AttributeWithValue, Evaluator.AttributeWithValueContaining, Evaluator.AttributeWithValueEnding, Evaluator.AttributeWithValueMatching, Evaluator.AttributeWithValueNot, Evaluator.AttributeWithValueStarting, Evaluator.Class, Evaluator.ContainsData, Evaluator.ContainsOwnText, Evaluator.ContainsText, Evaluator.ContainsWholeOwnText, Evaluator.ContainsWholeText, Evaluator.CssNthEvaluator, Evaluator.Id, Evaluator.IndexEquals, Evaluator.IndexEvaluator, Evaluator.IndexGreaterThan, Evaluator.IndexLessThan, Evaluator.IsEmpty, Evaluator.IsFirstChild, Evaluator.IsFirstOfType, Evaluator.IsLastChild, Evaluator.IsLastOfType, Evaluator.IsNthChild, Evaluator.IsNthLastChild, Evaluator.IsNthLastOfType, Evaluator.IsNthOfType, Evaluator.IsOnlyChild, Evaluator.IsOnlyOfType, Evaluator.IsRoot, Evaluator.Matches, Evaluator.MatchesOwn, Evaluator.MatchesWholeOwnText, Evaluator.MatchesWholeText, Evaluator.MatchText, Evaluator.Tag, Evaluator.TagEndsWith, Evaluator.TagStartsWith

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final Evaluator	evaluator
(package private) final ThreadLocal<Map<Node,Map<Node,Boolean>>>	threadMemo
(package private) boolean	wantsNodes

Constructor Summary

Constructors

Constructor	Description
StructuralEvaluator(Evaluator evaluator)

Method Summary

Modifier and Type	Method	Description
(package private) abstract boolean	evaluateMatch(Element root, Node node)
boolean	matches(Element root, Element element)	Test if the element meets the evaluator's requirements.
(package private) boolean	matches(Element root, LeafNode leafNode)
(package private) boolean	memoMatches(Element root, Node node)
protected void	reset()	Reset any internal state in this Evaluator before executing a new Collector evaluation.
(package private) boolean	wantsNodes()

Methods inherited from class org.jsoup.select.Evaluator

asNodePredicate, asPredicate, cost, matches

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

evaluator

final Evaluator evaluator

wantsNodes

boolean wantsNodes

threadMemo

final ThreadLocal<Map<Node,Map<Node,Boolean>>> threadMemo

Constructor Details

StructuralEvaluator

public StructuralEvaluator(Evaluator evaluator)

Method Details

wantsNodes

boolean wantsNodes()

Overrides:

wantsNodes in class Evaluator

memoMatches

boolean memoMatches(Element root,
 Node node)

reset

protected void reset()

Description copied from class: Evaluator

Reset any internal state in this Evaluator before executing a new Collector evaluation.

Overrides:

reset in class Evaluator

matches

public boolean matches(Element root,
 Element element)

Description copied from class: Evaluator

Test if the element meets the evaluator's requirements.

Specified by:

matches in class Evaluator

Parameters:

root - Root of the matching subtree

element - tested element

Returns:

Returns true if the requirements are met or false otherwise

matches

boolean matches(Element root,
 LeafNode leafNode)

Overrides:

matches in class Evaluator

evaluateMatch

abstract boolean evaluateMatch(Element root,
 Node node)