public async Task <string> DownloadSchema(CancellationToken cancellationToken = default(CancellationToken), bool setSchemaChecksum = true)
{
AssertNotDisposed();
AssertConnected();
var schemaTimeoutPolicy = Policy.TimeoutAsync(timeout: TimeSpan.FromSeconds(30), timeoutStrategy: Polly.Timeout.TimeoutStrategy.Optimistic);
byte[] schemaBytes = await deviceConnection.RequestBuffer(cancellationToken, schemaTimeoutPolicy).ConfigureAwait(false);
if (setSchemaChecksum)
{
var schemaChecksum = SchemaChecksumCalculator.CalculateChecksum(schemaBytes);
SchemaChecksum = schemaChecksum;
deviceConnection.SchemaChecksum = schemaChecksum;
}
var schemaJson = System.Text.Encoding.UTF8.GetString(schemaBytes, 0, schemaBytes.Length);
return(schemaJson);
}
public static GenerationResult GenerateFromString(string schemaJson)
{
var schemaBytes = Encoding.ASCII.GetBytes(schemaJson);
var schemaBase64 = Convert.ToBase64String(schemaBytes);
var schemaChecksum = SchemaChecksumCalculator.CalculateChecksum(schemaBytes);
var codeClasses = SchemaParser.Parse(schemaJson);
var namespaceDeclaration = NamespaceDeclaration(ParseName("ODriveClientLibrary.DeviceSchema"))
.AddUsings(
UsingDirective(ParseName("System")),
UsingDirective(ParseName("System.Threading.Tasks")),
UsingDirective(ParseName("ODriveClientLibrary.Common")),
UsingDirective(ParseName("ODriveClientLibrary.DeviceSchema"))
);
var alreadyGeneratedClassNames = new List <string>();
codeClasses.ForEach(codeClass =>
{
// Don't generate duplicate classes - e.g. Axis0.Something as well as Axis1.Something
// The class name is prefixed with the parent object's type, which work for now in
// making actual unique types have unique names.
if (!alreadyGeneratedClassNames.Contains(codeClass.ClassName))
{
var classDeclaration = Generators.CodeClassGenerator.Generate(codeClass, schemaChecksum);
namespaceDeclaration = namespaceDeclaration.AddMembers(classDeclaration);
alreadyGeneratedClassNames.Add(codeClass.ClassName);
}
});
//var firmwareVersionProperties = codeClasses
// .ToList()
// .SelectMany(item => item.ScalarProperties)
// .Where(item => item.Name.StartsWith("FwVersion"))
// .ToList();
//byte? majorVersion = null;
//byte? minorVersion = null;
//byte? revisionVersion = null;
//byte? unreleasedVersion = null;
//if (firmwareVersionProperties.Count >= 4)
//{
// var majorEndpointID = firmwareVersionProperties.Find(item => item.Name == "FwVersionMajor").EndpointID.Value;
// var minorEndpointID = firmwareVersionProperties.Find(item => item.Name == "FwVersionMinor").EndpointID.Value;
// var revisionEndpointID = firmwareVersionProperties.Find(item => item.Name == "FwVersionRevision").EndpointID.Value;
// var unreleasedEndpointID = firmwareVersionProperties.Find(item => item.Name == "FwVersionUnreleased").EndpointID.Value;
// majorVersion = oDrive.FetchEndpoint<byte>((ushort)majorEndpointID).Result;
// minorVersion = oDrive.FetchEndpoint<byte>((ushort)minorEndpointID).Result;
// revisionVersion = oDrive.FetchEndpoint<byte>((ushort)revisionEndpointID).Result;
// unreleasedVersion = oDrive.FetchEndpoint<byte>((ushort)unreleasedEndpointID).Result;
//}
var code = ((SyntaxNode)namespaceDeclaration).NormalizeWhitespace().ToFullString();
var generationResult = new GenerationResult(code);
return(generationResult);
}
