blob: 8f892cf86502d9d5d1f1ecbd0a1afd8e13818c03 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.editor;
import java.util.Comparator;
import java.util.Objects;
/**
* Represents a position in the buffer
*
* @author hakon
*/
public class Position implements Comparable<Position> {
private static final Position START_POSITION = new Position(0, 0);
private static final Comparator<Position> COMPARATOR = Comparator
.comparingInt(Position::lineIndex)
.thenComparingInt(Position::columnIndex);
private final int lineIndex;
private final int columnIndex;
/** Returns the first position at line index 0 and column index 0 */
public static Position start() {
return START_POSITION;
}
Position(int lineIndex, int columnIndex) {
this.lineIndex = lineIndex;
this.columnIndex = columnIndex;
}
public int lineIndex() {
return lineIndex;
}
public int columnIndex() {
return columnIndex;
}
@Override
public int compareTo(Position that) {
return COMPARATOR.compare(this, that);
}
public boolean isAfter(Position that) { return compareTo(that) > 0; }
public boolean isNotAfter(Position that) { return !isAfter(that); }
public boolean isBefore(Position that) { return compareTo(that) < 0; }
public boolean isNotBefore(Position that) { return !isBefore(that); }
public String coordinateString() {
return "(" + lineIndex + "," + columnIndex + ")";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Position position = (Position) o;
return lineIndex == position.lineIndex &&
columnIndex == position.columnIndex;
}
@Override
public int hashCode() {
return Objects.hash(lineIndex, columnIndex);
}
@Override
public String toString() {
return coordinateString();
}
}
|
