annotate src/org/tmatesoft/hg/internal/IntVector.java @ 546:cd78e8b9d7bc

File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 18 Feb 2013 19:19:48 +0100
parents 15b406c7cd9d
children 83afa680555d
rev   line source
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
545
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
2 * Copyright (c) 2011-2013 TMate Software Ltd
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 /**
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
20 * Vector of primitive values
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
21 *
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 * @author Artem Tikhomirov
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 * @author TMate Software Ltd.
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 */
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 288
diff changeset
25 public class IntVector {
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 private int[] data;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 private final int increment;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 private int count;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 public IntVector() {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 this(16, -1);
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 // increment == -1: grow by power of two.
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 // increment == 0: no resize (Exception will be thrown on attempt to add past capacity)
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 public IntVector(int initialCapacity, int increment) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 data = new int[initialCapacity];
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 this.increment = increment;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 public void add(int v) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 if (count == data.length) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 grow();
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 data[count++] = v;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 public int get(int i) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 if (i < 0 || i >= count) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 throw new IndexOutOfBoundsException(String.format("Index: %d, size: %d", i, count));
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 return data[i];
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56
545
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
57 public void set(int i, int v) {
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
58 if (i < 0 || i >= count) {
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
59 throw new IndexOutOfBoundsException(String.format("Index: %d, size: %d", i, count));
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
60 }
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
61 data[i] = v;
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
62 }
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
63
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 public int size() {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 return count;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 }
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
67
545
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
68 public boolean isEmpty() {
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
69 return count == 0;
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
70 }
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 329
diff changeset
71
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
72 public void clear() {
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
73 count = 0;
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
74 }
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
75
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
76 public void trimToSize() {
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
77 data = toArray(true);
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
78 }
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
79
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 public int[] toArray() {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 int[] rv = new int[count];
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 System.arraycopy(data, 0, rv, 0, count);
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 return rv;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 /**
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 * Use only when this instance won't be used any longer
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 */
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 @Experimental
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 int[] toArray(boolean internalIfSizeMatchCapacity) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 if (count == data.length) {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 return data;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 return toArray();
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 private void grow() {
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
99 if (increment == 0) {
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
100 throw new UnsupportedOperationException("This vector is not allowed to expand");
288
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
101 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 int newCapacity = increment < 0 ? data.length << 1 : data.length + increment;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 assert newCapacity > 0 && newCapacity != data.length : newCapacity;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 int[] newData = new int[newCapacity];
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 System.arraycopy(data, 0, newData, 0, count);
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 data = newData;
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 }
b11f6a08f748 Avoid boxing int values and list resizes on revlog read
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 }