79 lines
3.2 KiB
C#
79 lines
3.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection.Metadata;
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using System.Reflection.PortableExecutable;
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using System.Text;
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namespace Microsoft.DotNet.Tools.Test.Utilities
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{
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public static class AssemblyInfo
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{
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public static IList<string> Get(string assemblyPath, string assemblyInfoName)
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{
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var list = new List<string>();
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using (var stream = File.OpenRead(assemblyPath))
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using (var peReader = new PEReader(stream))
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{
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var metadataReader = peReader.GetMetadataReader();
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var assemblyDefinition = metadataReader.GetAssemblyDefinition();
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foreach (var handle in assemblyDefinition.GetCustomAttributes())
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{
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var attribute = metadataReader.GetCustomAttribute(handle);
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var constructor = metadataReader.GetMemberReference((MemberReferenceHandle)attribute.Constructor);
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var type = metadataReader.GetTypeReference((TypeReferenceHandle)constructor.Parent);
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var name = metadataReader.GetString(type.Name);
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if (name.Equals(assemblyInfoName))
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{
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var signature = metadataReader.GetBlobReader(constructor.Signature);
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var value = metadataReader.GetBlobReader(attribute.Value);
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var header = signature.ReadSignatureHeader();
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const ushort prolog = 1; // two-byte "prolog" defined by ECMA-335 (II.23.3) to be at the beginning of attribute value blobs
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if (value.ReadUInt16() != prolog || header.Kind != SignatureKind.Method || header.IsGeneric)
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{
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throw new BadImageFormatException();
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}
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var paramCount = signature.ReadCompressedInteger();
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if (paramCount <= 0 || // must have at least 1 parameter
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signature.ReadSignatureTypeCode() != SignatureTypeCode.Void) // return type must be void
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{
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continue;
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}
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var sb = new StringBuilder();
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while (paramCount > 0 && sb != null)
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{
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switch (signature.ReadSignatureTypeCode())
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{
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case SignatureTypeCode.String:
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sb.Append(value.ReadSerializedString());
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break;
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default:
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sb = null;
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break;
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}
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paramCount--;
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if (paramCount != 0)
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{
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sb?.Append(':');
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}
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}
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if (sb != null)
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{
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list.Add(sb.ToString());
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}
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}
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}
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}
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return list;
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}
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}
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}
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