static int64_t size_datum()

in lang/c/src/datum_size.c [189:279]

• 74 lines of code
• 25 McCabe index (conditional complexity)

static int64_t size_datum(avro_writer_t writer, const avro_encoding_t * enc,
			  avro_schema_t writers_schema, avro_datum_t datum)
{
	if (is_avro_schema(writers_schema) && is_avro_link(writers_schema)) {
		return size_datum(writer, enc,
				  (avro_schema_to_link(writers_schema))->to,
				  datum);
	}

	switch (avro_typeof(datum)) {
	case AVRO_NULL:
		return enc->size_null(writer);

	case AVRO_BOOLEAN:
		return enc->size_boolean(writer,
					 avro_datum_to_boolean(datum)->i);

	case AVRO_STRING:
		return enc->size_string(writer, avro_datum_to_string(datum)->s);

	case AVRO_BYTES:
		return enc->size_bytes(writer,
				       avro_datum_to_bytes(datum)->bytes,
				       avro_datum_to_bytes(datum)->size);

	case AVRO_INT32:
	case AVRO_INT64:{
			int64_t val = avro_typeof(datum) == AVRO_INT32 ?
			    avro_datum_to_int32(datum)->i32 :
			    avro_datum_to_int64(datum)->i64;
			if (is_avro_schema(writers_schema)) {
				/* handle promotion */
				if (is_avro_float(writers_schema)) {
					return enc->size_float(writer,
							       (float)val);
				} else if (is_avro_double(writers_schema)) {
					return enc->size_double(writer,
								(double)val);
				}
			}
			return enc->size_long(writer, val);
		}

	case AVRO_FLOAT:{
			float val = avro_datum_to_float(datum)->f;
			if (is_avro_schema(writers_schema)
			    && is_avro_double(writers_schema)) {
				/* handle promotion */
				return enc->size_double(writer, (double)val);
			}
			return enc->size_float(writer, val);
		}

	case AVRO_DOUBLE:
		return enc->size_double(writer, avro_datum_to_double(datum)->d);

	case AVRO_RECORD:
		return size_record(writer, enc,
				   avro_schema_to_record(writers_schema),
				   datum);

	case AVRO_ENUM:
		return size_enum(writer, enc,
				 avro_schema_to_enum(writers_schema),
				 avro_datum_to_enum(datum));

	case AVRO_FIXED:
		return avro_datum_to_fixed(datum)->size;

	case AVRO_MAP:
		return size_map(writer, enc,
				avro_schema_to_map(writers_schema),
				avro_datum_to_map(datum));

	case AVRO_ARRAY:
		return size_array(writer, enc,
				  avro_schema_to_array(writers_schema),
				  avro_datum_to_array(datum));

	case AVRO_UNION:
		return size_union(writer, enc,
				  avro_schema_to_union(writers_schema),
				  avro_datum_to_union(datum));

	case AVRO_LINK:
	case AVRO_INVALID:
		break;
	}

	return 0;
}