Class DifferenceElementCalculator

java.lang.Object

com.github.javaparser.printer.lexicalpreservation.DifferenceElementCalculator

class DifferenceElementCalculator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DifferenceElementCalculator.ChildPositionInfo

Field Summary

Fields

Modifier and Type	Field	Description
private Map<String, List<DifferenceElement>>	cache

Constructor Summary

Constructors

Constructor	Description
DifferenceElementCalculator()

Method Summary

Modifier and Type	Method	Description
(package private) List<DifferenceElement>	calculate(LexicalDifferenceCalculator.CalculatedSyntaxModel original, LexicalDifferenceCalculator.CalculatedSyntaxModel after)	Calculate the Difference between two CalculatedSyntaxModel elements, determining which elements were kept, which were added and which were removed.
private List<DifferenceElement>	calculateImpl(LexicalDifferenceCalculator.CalculatedSyntaxModel original, LexicalDifferenceCalculator.CalculatedSyntaxModel after)
private List<DifferenceElement>	calculateImpl2(LexicalDifferenceCalculator.CalculatedSyntaxModel original, LexicalDifferenceCalculator.CalculatedSyntaxModel after)
private int	considerRemoval(CsmElement removedElement, int originalIndex, List<DifferenceElement> elements)
private void	considerRemoval(NodeText nodeTextForChild, List<DifferenceElement> elements)
private long	cost(List<DifferenceElement> elements)
private List<DifferenceElementCalculator.ChildPositionInfo>	findChildrenPositions(LexicalDifferenceCalculator.CalculatedSyntaxModel calculatedSyntaxModel)	Find the positions of all the given children.
(package private) static boolean	matching(CsmElement a, CsmElement b)
(package private) static void	removeIndentationElements(List<DifferenceElement> elements)	Remove from the difference all the elements related to indentation.
private boolean	replacement(CsmElement a, CsmElement b)

Methods inherited from class Object

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

Field Details

cache

private Map<String, List<DifferenceElement>> cache

Constructor Details

DifferenceElementCalculator

public DifferenceElementCalculator()

Method Details

matching

static boolean matching(CsmElement a,
 CsmElement b)

removeIndentationElements

static void removeIndentationElements(List<DifferenceElement> elements)

Remove from the difference all the elements related to indentation. This is mainly intended for test purposes.

replacement

private boolean replacement(CsmElement a,
 CsmElement b)

findChildrenPositions

private List<DifferenceElementCalculator.ChildPositionInfo> findChildrenPositions(LexicalDifferenceCalculator.CalculatedSyntaxModel calculatedSyntaxModel)

Find the positions of all the given children.

calculate

List<DifferenceElement> calculate(LexicalDifferenceCalculator.CalculatedSyntaxModel original,
 LexicalDifferenceCalculator.CalculatedSyntaxModel after)

Calculate the Difference between two CalculatedSyntaxModel elements, determining which elements were kept, which were added and which were removed.

considerRemoval

private void considerRemoval(NodeText nodeTextForChild,
 List<DifferenceElement> elements)

considerRemoval

private int considerRemoval(CsmElement removedElement,
 int originalIndex,
 List<DifferenceElement> elements)

calculateImpl

private List<DifferenceElement> calculateImpl(LexicalDifferenceCalculator.CalculatedSyntaxModel original,
 LexicalDifferenceCalculator.CalculatedSyntaxModel after)

calculateImpl2

private List<DifferenceElement> calculateImpl2(LexicalDifferenceCalculator.CalculatedSyntaxModel original,
 LexicalDifferenceCalculator.CalculatedSyntaxModel after)

cost

private long cost(List<DifferenceElement> elements)