private static string?GetKeyFilePath(WeaverConfig config, AssemblyDefinition asm, ILogger log)
{
var keyFilePath = config.KeyFilePath;
if (!string.IsNullOrEmpty(config.KeyFilePath))
{
keyFilePath = Path.GetFullPath(keyFilePath !);
log.Debug("Using strong name key from KeyFilePath {KeyFilePath}.", keyFilePath);
return(keyFilePath);
}
var keyFileSuffix = asm
.CustomAttributes
.FirstOrDefault(x => x.AttributeType.Name == "AssemblyKeyFileAttribute")
?.ConstructorArguments
?.First();
var intermediateDirectory = config.IntermediateDirectory;
if (intermediateDirectory != null && keyFileSuffix.HasValue)
{
keyFilePath = Path.Combine(intermediateDirectory, (string)keyFileSuffix.Value.Value);
log.Debug("Using strong name key from [AssemblyKeyFileAttribute({KeyFileSuffix})] {KeyFilePath}.",
keyFileSuffix, keyFilePath);
return(keyFilePath);
}
log.Debug("No strong name key was found.");
return(null);
}
/// <summary>
/// Creates a <see cref="WeaverConfig"/> from the MSBuild
/// items taken from <c>@(SigourneyConfiguration)</c>.
/// </summary>
/// <param name="items">The array of items to process.
/// They have to be supplied by an MSBuild task parameter
/// with a value of <c>@(SigourneyConfiguration)</c>.</param>
/// <returns>A <see cref="WeaverConfig"/> or <see langword="null"/>
/// if <paramref name="items"/> is invalid.</returns>
public static WeaverConfig?TryCreateFromSigourneyConfiguration(ITaskItem[]?items)
{
if (items == null || items.Length != 1)
{
return(null);
}
var item = items[0];
var config = new WeaverConfig();
string?GetMetadata(string key)
{
var value = item.GetMetadata(key);
return(string.IsNullOrEmpty(value) ? null : value);
}
if (bool.TryParse(item.GetMetadata(nameof(SignAssembly)), out var result))
{
config.SignAssembly = result;
}
var keyOriginatorFile = GetMetadata("KeyOriginatorFile");
var assemblyOriginatorKeyFile = GetMetadata("AssemblyOriginatorKeyFile");
config.KeyFilePath = keyOriginatorFile ?? assemblyOriginatorKeyFile;
config.IntermediateDirectory = GetMetadata(nameof(IntermediateDirectory));
var referencesMetadata = GetMetadata(nameof(References));
if (referencesMetadata != null)
{
var references =
from x in referencesMetadata.Split(_pathSeparator, StringSplitOptions.RemoveEmptyEntries)
where !string.IsNullOrWhiteSpace(x)
select new AssemblyReference(x);
config.References.AddRange(references);
}
return(config);
}
/// <summary>
/// Creates an <see cref="MSBuildWeaver"/>.
/// </summary>
public MSBuildWeaver()
{
// We assume that the Configuration items are
// not modified by user code; they are a black box.
_configThunk = new Lazy <WeaverConfig?>(() => WeaverConfig.TryCreateFromSigourneyConfiguration(Configuration));
}