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org.eclipse.compare.rangedifferencer
Class RangeDifference
java.lang.Objectorg.eclipse.compare.rangedifferencer.RangeDifference
- Direct Known Subclasses:
- LinkedRangeDifference
- public class RangeDifference
- extends java.lang.Object
Description of a change between two or three ranges of comparable entities.
RangeDifference objects are the elements of a compare result returned from
the RangeDifferencer find* methods.
Clients use these objects as they are returned from the differencer.
This class is not intended to be instantiated or subclassed.
Note: A range in the RangeDifference object is given as a start index
and length in terms of comparable entities. However, these entity indices and counts
are not necessarily character positions. For example, if an entity represents a line
in a document, the start index would be a line number and the count would be in lines.
| Field Summary | |
static int |
ANCESTOR
Three-way change constant indicating the same change in both right and left, that is only the ancestor is different. |
static int |
CHANGE
Two-way change constant indicating two-way change (same as RIGHT) |
static int |
CONFLICT
Three-way change constant indicating a change in both right and left. |
static int |
ERROR
Constant indicating an unknown change kind. |
(package private) int |
fKind
the kind of change: NOCHANGE, CHANGE, LEFT, RIGHT, ANCESTOR, CONFLICT, ERROR |
(package private) int |
fLeftLength
|
(package private) int |
fLeftStart
|
(package private) int |
fRightLength
|
(package private) int |
fRightStart
|
(package private) int |
lAncestorLength
|
(package private) int |
lAncestorStart
|
static int |
LEFT
Three-way change constant indicating a change in left. |
static int |
NOCHANGE
Two-way change constant indicating no change. |
static int |
RIGHT
Three-way change constant indicating a change in right. |
| Constructor Summary | |
(package private) |
RangeDifference(int changeKind)
Creates a new range difference with the given change kind. |
(package private) |
RangeDifference(int kind,
int rightStart,
int rightLength,
int leftStart,
int leftLength)
Creates a new RangeDifference with the given change kind
and left and right ranges. |
(package private) |
RangeDifference(int kind,
int rightStart,
int rightLength,
int leftStart,
int leftLength,
int ancestorStart,
int ancestorLength)
Creates a new RangeDifference with the given change kind
and left, right, and ancestor ranges. |
| Method Summary | |
int |
ancestorEnd()
Returns the end index of the entity range on the ancestor side. |
int |
ancestorLength()
Returns the number of entities on the ancestor side. |
int |
ancestorStart()
Returns the start index of the entity range on the ancestor side. |
int |
kind()
Returns the kind of difference. |
int |
leftEnd()
Returns the end index of the entity range on the left side. |
int |
leftLength()
Returns the number of entities on the left side. |
int |
leftStart()
Returns the start index of the entity range on the left side. |
int |
maxLength()
Returns the maximum number of entities in the left, right, and ancestor sides of this range. |
int |
rightEnd()
Returns the end index of the entity range on the right side. |
int |
rightLength()
Returns the number of entities on the right side. |
int |
rightStart()
Returns the start index of the entity range on the right side. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
NOCHANGE
public static final int NOCHANGE
- Two-way change constant indicating no change.
- See Also:
- Constant Field Values
CHANGE
public static final int CHANGE
- Two-way change constant indicating two-way change (same as
RIGHT)- See Also:
- Constant Field Values
CONFLICT
public static final int CONFLICT
- Three-way change constant indicating a change in both right and left.
- See Also:
- Constant Field Values
RIGHT
public static final int RIGHT
- Three-way change constant indicating a change in right.
- See Also:
- Constant Field Values
LEFT
public static final int LEFT
- Three-way change constant indicating a change in left.
- See Also:
- Constant Field Values
ANCESTOR
public static final int ANCESTOR
- Three-way change constant indicating the same change in both right and left,
that is only the ancestor is different.
- See Also:
- Constant Field Values
ERROR
public static final int ERROR
- Constant indicating an unknown change kind.
- See Also:
- Constant Field Values
fKind
int fKind
- the kind of change: NOCHANGE, CHANGE, LEFT, RIGHT, ANCESTOR, CONFLICT, ERROR
fLeftStart
int fLeftStart
fLeftLength
int fLeftLength
fRightStart
int fRightStart
fRightLength
int fRightLength
lAncestorStart
int lAncestorStart
lAncestorLength
int lAncestorLength
| Constructor Detail |
RangeDifference
RangeDifference(int changeKind)
- Creates a new range difference with the given change kind.
RangeDifference
RangeDifference(int kind,
int rightStart,
int rightLength,
int leftStart,
int leftLength)
- Creates a new
RangeDifferencewith the given change kind and left and right ranges.
RangeDifference
RangeDifference(int kind,
int rightStart,
int rightLength,
int leftStart,
int leftLength,
int ancestorStart,
int ancestorLength)
- Creates a new
RangeDifferencewith the given change kind and left, right, and ancestor ranges.
| Method Detail |
kind
public int kind()
- Returns the kind of difference.
ancestorStart
public int ancestorStart()
- Returns the start index of the entity range on the ancestor side.
ancestorLength
public int ancestorLength()
- Returns the number of entities on the ancestor side.
ancestorEnd
public int ancestorEnd()
- Returns the end index of the entity range on the ancestor side.
rightStart
public int rightStart()
- Returns the start index of the entity range on the right side.
rightLength
public int rightLength()
- Returns the number of entities on the right side.
rightEnd
public int rightEnd()
- Returns the end index of the entity range on the right side.
leftStart
public int leftStart()
- Returns the start index of the entity range on the left side.
leftLength
public int leftLength()
- Returns the number of entities on the left side.
leftEnd
public int leftEnd()
- Returns the end index of the entity range on the left side.
maxLength
public int maxLength()
- Returns the maximum number of entities in the left, right, and ancestor sides of this range.
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