forked from ClearFoundry/ClearScript
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathHostList.cs
More file actions
100 lines (77 loc) · 2.47 KB
/
HostList.cs
File metadata and controls
100 lines (77 loc) · 2.47 KB
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
using System;
using System.Collections;
using System.Collections.Generic;
using Microsoft.ClearScript.Util;
namespace Microsoft.ClearScript
{
internal interface IHostList
{
int Count { get; }
object this[int index] { get; set; }
}
internal sealed class HostList : IHostList
{
private readonly ScriptEngine engine;
private readonly IList list;
private readonly Type elementType;
public HostList(ScriptEngine engine, IList list, Type elementType)
{
this.engine = engine;
this.list = list;
this.elementType = elementType;
}
#region IHostList implementation
public int Count => list.Count;
public object this[int index]
{
get => engine.PrepareResult(list[index], elementType, ScriptMemberFlags.None, true);
set => list[index] = value;
}
#endregion
}
internal sealed class HostList<T> : IHostList
{
private readonly ScriptEngine engine;
private readonly IList<T> list;
public HostList(ScriptEngine engine, IList<T> list)
{
this.engine = engine;
this.list = list;
}
#region IHostList implementation
public int Count => list.Count;
public object this[int index]
{
get => engine.PrepareResult(list[index], ScriptMemberFlags.None, true);
set
{
if (!typeof(T).IsAssignableFromValue(ref value))
{
throw new InvalidOperationException("Assignment invalid due to type mismatch");
}
list[index] = (T)value;
}
}
#endregion
}
internal sealed class ReadOnlyHostList<T> : IHostList
{
private readonly ScriptEngine engine;
private readonly IReadOnlyList<T> list;
public ReadOnlyHostList(ScriptEngine engine, IReadOnlyList<T> list)
{
this.engine = engine;
this.list = list;
}
#region IHostList implementation
public int Count => list.Count;
public object this[int index]
{
get => engine.PrepareResult(list[index], ScriptMemberFlags.None, true);
set => throw new UnauthorizedAccessException("The object is read-only");
}
#endregion
}
}