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indexer.cs
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executable file
·68 lines (51 loc) · 1.75 KB
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// ==========================================================================
// This software is subject to the provisions of the Zope Public License,
// Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
// FOR A PARTICULAR PURPOSE.
// ==========================================================================
using System;
using System.Collections;
using System.Reflection;
using System.Security.Permissions;
namespace Python.Runtime {
//========================================================================
// Bundles the information required to support an indexer property.
//========================================================================
internal class Indexer {
public MethodBinder GetterBinder;
public MethodBinder SetterBinder;
public Indexer() {
GetterBinder = new MethodBinder();
SetterBinder = new MethodBinder();
}
public bool CanGet {
get {
return GetterBinder.Count > 0;
}
}
public bool CanSet {
get {
return SetterBinder.Count > 0;
}
}
public void AddProperty(PropertyInfo pi) {
MethodInfo getter = pi.GetGetMethod(true);
MethodInfo setter = pi.GetSetMethod(true);
if (getter != null) {
GetterBinder.AddMethod(getter);
}
if (setter != null) {
SetterBinder.AddMethod(setter);
}
}
internal IntPtr GetItem(IntPtr inst, IntPtr args) {
return GetterBinder.Invoke(inst, args, IntPtr.Zero);
}
internal void SetItem(IntPtr inst, IntPtr args) {
SetterBinder.Invoke(inst, args, IntPtr.Zero);
}
}
}