shared source/sscli20/jscript/engine/jsclosureproperty.cs

   1 // ==++==
   2 //
   3 //
   4 //    Copyright (c) 2006 Microsoft Corporation.  All rights reserved.
   5 //
   6 //    The use and distribution terms for this software are contained in the file
   7 //    named license.txt, which can be found in the root of this distribution.
   8 //    By using this software in any fashion, you are agreeing to be bound by the
   9 //    terms of this license.
  10 //
  11 //    You must not remove this notice, or any other, from this software.
  12 //
  13 //
  14 // ==--==
  15
  16 namespace Microsoft.JScript {
  17
  18     using System;
  19     using System.Reflection;
  20     using System.Globalization;
  21
  22     internal class JSClosureProperty : JSWrappedProperty{
  23       private MethodInfo getMeth;
  24       private MethodInfo setMeth;
  25
  26       internal JSClosureProperty(PropertyInfo property, MethodInfo getMeth, MethodInfo setMeth)
  27         :base(property, null){
  28         this.getMeth = getMeth;
  29         this.setMeth = setMeth;
  30       }
  31
  32       public override Object GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture) {
  33         if (this.getMeth == null)
  34           throw new MissingMethodException();
  35         return this.getMeth.Invoke(obj, invokeAttr, binder, index, culture);
  36       }
  37
  38       public override MethodInfo GetGetMethod(bool nonPublic){
  39         if (nonPublic || (this.getMeth != null && this.getMeth.IsPublic))
  40           return this.getMeth;
  41         else
  42           return null;
  43       }
  44
  45       public override MethodInfo GetSetMethod(bool nonPublic){
  46         if (nonPublic || (this.setMeth != null && this.setMeth.IsPublic))
  47           return this.setMeth;
  48         else
  49           return null;
  50       }
  51
  52       public override void SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture) {
  53         if (this.setMeth == null)
  54           throw new MissingMethodException();
  55         int n = index == null ? 0 : index.Length;
  56         Object[] pars = new Object[n+1];
  57         pars[0] = value;
  58         if (n > 0)
  59           ArrayObject.Copy(index, 0, pars, 1, n);
  60         this.setMeth.Invoke(obj, invokeAttr, binder, pars, culture);
  61       }
  62
  63     }
  64 }