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//------------------------------------------------------------------------------
// <copyright file="SwitchAttribute.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Reflection;
using System.Collections;
namespace System.Diagnostics {
[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Constructor |
AttributeTargets.Event | AttributeTargets.Method | AttributeTargets.Property)]
public sealed class SwitchAttribute : Attribute {
private Type type;
private string name;
private string description;
public SwitchAttribute (string switchName, Type switchType) {
SwitchName = switchName;
SwitchType = switchType;
}
public string SwitchName {
get { return name; }
set {
if (value == null)
throw new ArgumentNullException("value");
if (value.Length == 0)
throw new ArgumentException(SR.GetString(SR.InvalidNullEmptyArgument, "value"), "value");
name = value;
}
}
public Type SwitchType {
get { return type; }
set {
if (value == null)
throw new ArgumentNullException("value");
type = value;
}
}
public string SwitchDescription {
get { return description; }
set { description = value;}
}
public static SwitchAttribute[] GetAll(Assembly assembly) {
if (assembly == null)
throw new ArgumentNullException("assembly");
ArrayList switchAttribs = new ArrayList ();
object[] attribs = assembly.GetCustomAttributes(typeof(SwitchAttribute), false);
switchAttribs.AddRange(attribs);
Type[] types = assembly.GetTypes();
for (int i=0; i<types.Length; i++)
GetAllRecursive(types[i], switchAttribs);
SwitchAttribute[] ret = new SwitchAttribute[switchAttribs.Count];
switchAttribs.CopyTo(ret, 0);
return ret;
}
static void GetAllRecursive(Type type, ArrayList switchAttribs) {
GetAllRecursive((MemberInfo) type, switchAttribs);
MemberInfo[] members = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic |
BindingFlags.DeclaredOnly | BindingFlags.Instance |
BindingFlags.Static);
for (int i=0; i<members.Length; i++) {
// ignore Types here. They will get covered by the top level assembly.GetTypes
if (!(members[i] is Type))
GetAllRecursive(members[i], switchAttribs);
}
}
static void GetAllRecursive(MemberInfo member, ArrayList switchAttribs) {
object[] attribs = member.GetCustomAttributes(typeof(SwitchAttribute), false);
switchAttribs.AddRange(attribs);
}
}
}
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