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namespace DBus
{
using System;
using System.Collections;
using System.Reflection;
internal class InterfaceProxy
{
private static Hashtable interfaceProxies = new Hashtable();
private Hashtable methods = null;
private Hashtable signals = null;
private string interfaceName;
private InterfaceProxy(Type type)
{
object[] attributes = type.GetCustomAttributes(typeof(InterfaceAttribute), true);
InterfaceAttribute interfaceAttribute = (InterfaceAttribute) attributes[0];
this.interfaceName = interfaceAttribute.InterfaceName;
AddMethods(type);
AddSignals(type);
}
// Add all the events with Signal attributes
private void AddSignals(Type type)
{
this.signals = new Hashtable();
foreach (EventInfo signal in type.GetEvents(BindingFlags.Public |
BindingFlags.Instance |
BindingFlags.DeclaredOnly)) {
object[] attributes = signal.GetCustomAttributes(typeof(SignalAttribute), false);
if (attributes.GetLength(0) > 0) {
MethodInfo invoke = signal.EventHandlerType.GetMethod("Invoke");
signals.Add(signal.Name + " " + GetSignature(invoke), signal);
}
}
}
// Add all the methods with Method attributes
private void AddMethods(Type type)
{
this.methods = new Hashtable();
foreach (MethodInfo method in type.GetMethods(BindingFlags.Public |
BindingFlags.Instance |
BindingFlags.DeclaredOnly)) {
object[] attributes = method.GetCustomAttributes(typeof(MethodAttribute), false);
if (attributes.GetLength(0) > 0) {
methods.Add(method.Name + " " + GetSignature(method), method);
}
}
}
public static InterfaceProxy GetInterface(Type type)
{
if (!interfaceProxies.Contains(type)) {
interfaceProxies[type] = new InterfaceProxy(type);
}
return (InterfaceProxy) interfaceProxies[type];
}
public bool HasMethod(string key)
{
return this.Methods.Contains(key);
}
public bool HasSignal(string key)
{
return this.Signals.Contains(key);
}
public EventInfo GetSignal(string key)
{
return (EventInfo) this.Signals[key];
}
public MethodInfo GetMethod(string key)
{
return (MethodInfo) this.Methods[key];
}
public static string GetSignature(MethodInfo method)
{
ParameterInfo[] pars = method.GetParameters();
string key = "";
foreach (ParameterInfo par in pars) {
if (!par.IsOut) {
Type dbusType = Arguments.MatchType(par.ParameterType);
key += Arguments.GetCode(dbusType);
}
}
return key;
}
public Hashtable Methods
{
get {
return this.methods;
}
}
public Hashtable Signals
{
get {
return this.signals;
}
}
public string InterfaceName
{
get {
return this.interfaceName;
}
}
}
}
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