95 lines
2.5 KiB
C#
95 lines
2.5 KiB
C#
//
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// Author:
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// Jb Evain (jbevain@gmail.com)
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//
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// Copyright (c) 2008 - 2015 Jb Evain
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// Copyright (c) 2008 - 2011 Novell, Inc.
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//
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// Licensed under the MIT/X11 license.
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//
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using System;
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using System.IO;
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namespace MonoFN.Cecil
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{
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public sealed class EmbeddedResource : Resource
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{
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private readonly MetadataReader reader;
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private uint? offset;
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private byte[] data;
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private Stream stream;
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public override ResourceType ResourceType
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{
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get { return ResourceType.Embedded; }
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}
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public EmbeddedResource(string name, ManifestResourceAttributes attributes, byte[] data) : base(name, attributes)
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{
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this.data = data;
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}
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public EmbeddedResource(string name, ManifestResourceAttributes attributes, Stream stream) : base(name, attributes)
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{
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this.stream = stream;
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}
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internal EmbeddedResource(string name, ManifestResourceAttributes attributes, uint offset, MetadataReader reader) : base(name, attributes)
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{
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this.offset = offset;
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this.reader = reader;
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}
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public Stream GetResourceStream()
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{
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if (stream != null)
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return stream;
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if (data != null)
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return new MemoryStream(data);
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if (offset.HasValue)
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return new MemoryStream(reader.GetManagedResource(offset.Value));
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throw new InvalidOperationException();
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}
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public byte[] GetResourceData()
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{
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if (stream != null)
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return ReadStream(stream);
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if (data != null)
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return data;
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if (offset.HasValue)
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return reader.GetManagedResource(offset.Value);
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throw new InvalidOperationException();
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}
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private static byte[] ReadStream(Stream stream)
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{
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int read;
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if (stream.CanSeek)
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{
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int length = (int)stream.Length;
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byte[] data = new byte [length];
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int offset = 0;
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while ((read = stream.Read(data, offset, length - offset)) > 0)
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offset += read;
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return data;
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}
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byte[] buffer = new byte [1024 * 8];
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MemoryStream memory = new();
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while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
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memory.Write(buffer, 0, read);
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return memory.ToArray();
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}
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}
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} |