public static string ToAvroFull(this AvroSchema schema)
{
var sb = new StringBuilder();
using (var sw = new StringWriter(sb))
WriteAvroFull(sw, schema);
return(sb.ToString());
}
private static void WritePrimitive(TextWriter writer, AvroSchema schema, WriterMode mode)
{
switch (mode)
{
case WriterMode.Canonical:
writer.Write(@"""");
writer.Write(schema.ToString());
writer.Write(@"""");
break;
case WriterMode.Full:
writer.Write(@"{ ""type"": """);
writer.Write(schema.ToString());
writer.Write(@""" }");
break;
default:
writer.Write(@"""");
writer.Write(schema.ToString());
writer.Write(@"""");
break;
}
}
public static long CRC64Value(AvroSchema s)
{
var bytes = Encoding.UTF8.GetBytes(s.ToAvroCanonical());
return(Fingerprint64(bytes));
}
public static void WriteAvroCanonical(TextWriter writer, AvroSchema schema)
{
Write(writer, schema, WriterMode.Canonical, null, null, false);
}
public static void WriteAvroFull(TextWriter writer, AvroSchema schema)
{
Write(writer, schema, WriterMode.Full, null, null, false);
}
private static void Write(TextWriter writer, AvroSchema schema, WriterMode mode, string parentNamespace, ISet <string> namedSchemas, bool stripNs)
{
var ns = parentNamespace;
if (namedSchemas == null)
{
namedSchemas = new HashSet <string>();
}
if (schema is NamedSchema)
{
var namedSchema = schema as NamedSchema;
var name = namedSchema.FullName;
if (stripNs && namedSchema.Namespace == parentNamespace)
{
name = namedSchema.Name;
}
if (namedSchemas.Contains(namedSchema.FullName))
{
writer.Write(@"""");
writer.Write(name);
writer.Write(@"""");
return;
}
namedSchemas.Add(namedSchema.FullName);
ns = namedSchema.Namespace;
}
switch (schema)
{
case NullSchema _:
case BooleanSchema _:
case IntSchema _:
case LongSchema _:
case FloatSchema _:
case DoubleSchema _:
case BytesSchema _:
case StringSchema _:
WritePrimitive(writer, schema, mode);
break;
case ArraySchema s:
WriteArray(writer, s, mode, ns, namedSchemas, stripNs);
break;
case MapSchema s:
WriteMap(writer, s, mode, ns, namedSchemas, stripNs);
break;
case UnionSchema s:
WriteUnion(writer, s, mode, ns, namedSchemas, stripNs);
break;
case FixedSchema s:
WriteFixed(writer, s, ns, mode, stripNs);
break;
case EnumSchema s:
WriteEnum(writer, s, ns, mode, stripNs);
break;
case ErrorSchema s:
WriteError(writer, s, mode, ns, namedSchemas, stripNs);
break;
case RecordSchema s:
WriteRecord(writer, s, mode, ns, namedSchemas, stripNs);
break;
case DecimalSchema s:
WriteDecimal(writer, s, mode, ns, namedSchemas, stripNs);
break;
case LogicalSchema s:
WriteLogicalType(writer, s, mode, ns, namedSchemas, stripNs);
break;
default:
throw new AvroException($"Unknown schema type: '{schema.GetType().FullName}'");
}
}
