//The engine calls this method to resolve assembly references used in
//the generated transformation class project and for the optional
//assembly directive if the user has specified it in the text template.
//This method can be called 0, 1, or more times.
//---------------------------------------------------------------------
public string ResolveAssemblyReference(string assemblyReference)
{
//If the argument is the fully qualified path of an existing file,
//then we are done. (This does not do any work.)
//----------------------------------------------------------------
if (File.Exists(assemblyReference))
{
return(assemblyReference);
}
var assemblyReferenceFile = $"{assemblyReference}.dll";
//If the argument is the fully qualified path of an existing file,
//then we are done. (This does not do any work.)
//----------------------------------------------------------------
if (File.Exists(assemblyReferenceFile))
{
return(assemblyReferenceFile);
}
//Maybe the assembly is in the same folder as the text template that
//called the directive.
//----------------------------------------------------------------
var file = TemplateFile?.IsFilled() == true ? TemplateFile : "./test.tmp";
var folder = Path.GetDirectoryName(file);
var candidate = Path.Combine(folder?.IsFilled() == true ? folder : ".", assemblyReferenceFile);
if (File.Exists(candidate))
{
return(candidate);
}
//Maybe the assembly is in the same folder as the executing Assembly
//----------------------------------------------------------------
candidate = Path.Combine(Path.GetDirectoryName(new Uri(Assembly.GetExecutingAssembly().CodeBase).LocalPath) ?? ".", assemblyReferenceFile);
if (File.Exists(candidate))
{
return(candidate);
}
//This can be customized to search specific paths for the file
//or to search the GAC.
//----------------------------------------------------------------
//This can be customized to accept paths to search as command line
//arguments.
//----------------------------------------------------------------
//If we cannot do better, return the original file name.
var assemblyPath = AppDomain.CurrentDomain.GetAssemblies().
FirstOrDefault(assembly => assembly.GetName().Name == assemblyReference.Split(',').FirstOrDefault())?.CodeBase;
return(assemblyPath == null ? "": new Uri(assemblyPath).LocalPath);
}