blob: 0e58c181147c3c918351693aca30071698c60db2 (
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
73
74
75
76
77
78
79
80
81
82
|
/*
* System.Reflection-like API for access to .NET assemblies (DLL & EXE)
*/
package ch.epfl.lamp.compiler.msil;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;
/**
* @author Nikolay Mihaylov
* @version 1.0
*/
public abstract class CustomAttributeProvider implements ICustomAttributeProvider {
//##########################################################################
protected List/*<Attribute>*/ custAttrs;
private static final Object[] EMPTY = new Object[0];
//TODO: take inherit into account
public Object[] GetCustomAttributes(boolean inherit) {
initAttributes(null);
return custAttrs.size() == 0 ? EMPTY
: custAttrs.toArray(new Attribute[custAttrs.size()]);
}
//TODO: take inherit into account
public Object[] GetCustomAttributes(Type attributeType, boolean inherit) {
initAttributes(attributeType);
List tAttrs = null;
if (constrType == attributeType)
tAttrs = custAttrs;
else {
tAttrs = new LinkedList();
for (Iterator attrs = custAttrs.iterator(); attrs.hasNext(); ) {
Attribute a = (Attribute) attrs.next();
if (a.GetType() == attributeType) tAttrs.add(a);
}
}
return tAttrs.size() == 0 ? EMPTY
: tAttrs.toArray(new Attribute[tAttrs.size()]);
}
//TODO: take inherit into account
public boolean IsDefined(Type attributeType, boolean inherit) {
initAttributes(attributeType);
if (constrType == attributeType)
return custAttrs.size() > 0;
Iterator attrs = custAttrs.iterator();
while (attrs.hasNext()) {
if (((Attribute)attrs.next()).GetType() == attributeType)
return true;
}
return false;
// return inherit && (DeclaringClass.BaseType != null)
// && DeclaringClass.BaseType.IsDefined(inherit);
}
protected void addCustomAttribute(ConstructorInfo constr, byte[] value) {
Attribute attr = new Attribute(constr, value);
assert constrType == null || constrType == attr.GetType();
if (custAttrs == null)
custAttrs = new LinkedList();
custAttrs.add(attr);
}
private void initAttributes(Type atype) {
if (custAttrs != null
&& (constrType == null || constrType == atype))
return;
custAttrs = new LinkedList();
constrType = atype;
loadCustomAttributes(atype);
}
protected void loadCustomAttributes(Type atype) {}
private Type constrType;
}
|
