summaryrefslogtreecommitdiff
path: root/src/mscorlib/src/System/Globalization/GlobalizationAssembly.cs
blob: 4de3fd399b8f99e8f64d139d4f69c7bd89544719 (plain)
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
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.


namespace System.Globalization {
    using System;
    using System.Reflection;
    using System.Collections;
    using System.Collections.Generic;
    using System.Threading;
    using System.Security;
    using System.Security.Permissions;
    using System.Runtime.CompilerServices;
    using System.Runtime.ConstrainedExecution;
    using System.Runtime.Versioning;
    using System.IO;
    using System.Diagnostics.Contracts;

    
    /*=================================GlobalizationAssembly==========================
    **
    ** This class provides the table loading wrapper that calls GetManifestResourceStream
    **
    ** It used to provide an idea for sort versioning, but that proved to not work
    **
    ============================================================================*/
    internal sealed class GlobalizationAssembly
    {
        // ----------------------------------------------------------------------------------------------------
        //
        // Instance data members and instance methods.
        //
        // ----------------------------------------------------------------------------------------------------
        [System.Security.SecurityCritical]  // auto-generated
        internal unsafe static byte* GetGlobalizationResourceBytePtr(Assembly assembly, String tableName) {
            Contract.Assert(assembly != null, "assembly can not be null.  This should be generally the "+System.CoreLib.Name+" assembly.");
            Contract.Assert(tableName != null, "table name can not be null");
            
            Stream stream = assembly.GetManifestResourceStream(tableName);
            UnmanagedMemoryStream bytesStream = stream as UnmanagedMemoryStream;
            if (bytesStream != null) {
                byte* bytes = bytesStream.PositionPointer;
                if (bytes != null) {
                    return (bytes);
                }
            }
            
            Contract.Assert(
                    false, 
                    String.Format(
                        CultureInfo.CurrentCulture,
                        "Didn't get the resource table {0} for System.Globalization from {1}", 
                        tableName, 
                        assembly));
            
            // We can not continue if we can't get the resource.
            throw new InvalidOperationException();
        }

    }
}