public static Assembly ResolveAssembly(this IClrTypeOptions options)
{
if (string.IsNullOrEmpty(options.AssemblyName))
{
return(null);
}
try
{
return(Assembly.Load(options.AssemblyName));
}
catch (FileNotFoundException)
{
// nbd
}
catch (FileLoadException)
{
// also nbd
}
try
{
return(Assembly.LoadFrom(Path.GetFullPath(options.AssemblyName)));
}
catch (FileNotFoundException)
{
throw new ProgramException(message: "The assembly could not be found. Make sure that you’ve provided either a recognizable name (e.g. System.Runtime) or a valid assembly path.");
}
catch (BadImageFormatException)
{
throw new ProgramException(message: "The assembly is not valid. Check that the path you’re providing points to a valid assembly file.");
}
}
public static Type ResolveType(this IClrTypeOptions options)
{
if (options.ResolveAssembly() is var assembly && assembly == null)
{
try
{
return(Type.GetType(options.TypeName, ignoreCase: true, throwOnError: true));
}
catch (TypeLoadException)
{
throw new ProgramException(message: "The type could not be found. You may need to provide an assembly as well.");
}
}
public static Type ResolveType(this IClrTypeOptions options)
{
var assemblies = options.AssemblyNames
.Select(name =>
{
try
{
return(Assembly.Load(name));
}
catch (FileNotFoundException)
{
// nbd
}
catch (FileLoadException)
{
// also nbd
}
try
{
return(Assembly.LoadFrom(Path.GetFullPath(name)));
}
catch (FileNotFoundException)
{
throw new ProgramException(message: $"{name} could not be found. Make sure that you’ve provided either a recognizable name (e.g. System.Runtime) or a valid assembly path.");
}
catch (BadImageFormatException)
{
throw new ProgramException(message: $"{name} is not valid. Check that the path you’re providing points to a valid assembly file.");
}
})
.Append(typeof(object).Assembly) // ensure System.Runtime is included by default
.ToDictionary(assembly => assembly.GetName());
try
{
return(Type.GetType(
options.TypeName,
assemblyResolver: name => assemblies.GetValueOrDefault(name),
typeResolver: (assembly, name, ignoreCase) =>
{
if (assembly == null)
{
foreach (var candidate in assemblies.Values)
{
if (candidate.GetType(name, ignoreCase: ignoreCase, throwOnError: false) is Type result)
{
return result;
}
}
return null;
}
return assembly.GetType(name, ignoreCase: ignoreCase, throwOnError: false);
},
ignoreCase: true,
throwOnError: true
));
}
catch (TypeLoadException)
{
throw new ProgramException(message: "The type could not be found. You may need to provide additional assemblies.");
}
}