File: System\Reflection\Metadata\TypeSystem\ManifestResource.cs
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Project: src\src\libraries\System.Reflection.Metadata\src\System.Reflection.Metadata.csproj (System.Reflection.Metadata)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Diagnostics;
 
namespace System.Reflection.Metadata
{
    public readonly struct ManifestResource
    {
        private readonly MetadataReader _reader;
 
        // Workaround: JIT doesn't generate good code for nested structures, so use RowId.
        private readonly int _rowId;
 
        internal ManifestResource(MetadataReader reader, ManifestResourceHandle handle)
        {
            Debug.Assert(reader != null);
            Debug.Assert(!handle.IsNil);
 
            _reader = reader;
            _rowId = handle.RowId;
        }
 
        private ManifestResourceHandle Handle
        {
            get { return ManifestResourceHandle.FromRowId(_rowId); }
        }
 
        /// <summary>
        /// Specifies the byte offset within the referenced file at which this resource record begins.
        /// </summary>
        /// <remarks>
        /// Corresponds to Offset field of ManifestResource table in ECMA-335 Standard.
        /// </remarks>
        public long Offset
        {
            get { return _reader.ManifestResourceTable.GetOffset(Handle); }
        }
 
        /// <summary>
        /// Resource attributes.
        /// </summary>
        /// <remarks>
        /// Corresponds to Flags field of ManifestResource table in ECMA-335 Standard.
        /// </remarks>
        public ManifestResourceAttributes Attributes
        {
            get { return _reader.ManifestResourceTable.GetFlags(Handle); }
        }
 
        /// <summary>
        /// Name of the resource.
        /// </summary>
        /// <remarks>
        /// Corresponds to Name field of ManifestResource table in ECMA-335 Standard.
        /// </remarks>
        public StringHandle Name
        {
            get { return _reader.ManifestResourceTable.GetName(Handle); }
        }
 
        /// <summary>
        /// <see cref="AssemblyFileHandle"/>, <see cref="AssemblyReferenceHandle"/>, or nil handle.
        /// </summary>
        /// <remarks>
        /// Corresponds to Implementation field of ManifestResource table in ECMA-335 Standard.
        ///
        /// If nil then <see cref="Offset"/> is an offset in the PE image that contains the metadata,
        /// starting from the Resource entry in the CLI header.
        /// </remarks>
        public EntityHandle Implementation
        {
            get { return _reader.ManifestResourceTable.GetImplementation(Handle); }
        }
 
        public CustomAttributeHandleCollection GetCustomAttributes()
        {
            return new CustomAttributeHandleCollection(_reader, Handle);
        }
    }
}