forked from mozilla/rhino
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathClassFileField.java
More file actions
63 lines (57 loc) · 1.75 KB
/
ClassFileField.java
File metadata and controls
63 lines (57 loc) · 1.75 KB
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
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.classfile;
final class ClassFileField
{
ClassFileField(short nameIndex, short typeIndex, short flags)
{
itsNameIndex = nameIndex;
itsTypeIndex = typeIndex;
itsFlags = flags;
itsHasAttributes = false;
}
void setAttributes(short attr1, short attr2, short attr3, int index)
{
itsHasAttributes = true;
itsAttr1 = attr1;
itsAttr2 = attr2;
itsAttr3 = attr3;
itsIndex = index;
}
int write(byte[] data, int offset)
{
offset = ClassFileWriter.putInt16(itsFlags, data, offset);
offset = ClassFileWriter.putInt16(itsNameIndex, data, offset);
offset = ClassFileWriter.putInt16(itsTypeIndex, data, offset);
if (!itsHasAttributes) {
// write 0 attributes
offset = ClassFileWriter.putInt16(0, data, offset);
} else {
offset = ClassFileWriter.putInt16(1, data, offset);
offset = ClassFileWriter.putInt16(itsAttr1, data, offset);
offset = ClassFileWriter.putInt16(itsAttr2, data, offset);
offset = ClassFileWriter.putInt16(itsAttr3, data, offset);
offset = ClassFileWriter.putInt16(itsIndex, data, offset);
}
return offset;
}
int getWriteSize()
{
int size = 2 * 3;
if (!itsHasAttributes) {
size += 2;
} else {
size += 2 + 2 * 4;
}
return size;
}
private short itsNameIndex;
private short itsTypeIndex;
private short itsFlags;
private boolean itsHasAttributes;
private short itsAttr1, itsAttr2, itsAttr3;
private int itsIndex;
}