From 1eb94ef1f938058c85465d7febd642bf2776ba53 Mon Sep 17 00:00:00 2001
From: michealroberts <michael@observerly.com>
Date: Thu, 17 Oct 2024 18:00:25 +0100
Subject: [PATCH] feat: add (d DataType) ByteSize() to metadata module in
 @observerly/iris

feat: add (d DataType) ByteSize() to metadata module in @observerly/iris
---
 pkg/ifd/datatype.go | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/pkg/ifd/datatype.go b/pkg/ifd/datatype.go
index a12b70a..123e907 100644
--- a/pkg/ifd/datatype.go
+++ b/pkg/ifd/datatype.go
@@ -35,3 +35,43 @@ const (
 )
 
 /*****************************************************************************************************************/
+
+func (d DataType) ByteSize() int {
+	switch d {
+	case DataTypeByte:
+		return 1
+	case DataTypeASCII:
+		return 1
+	case DataTypeShort:
+		return 2
+	case DataTypeLong:
+		return 4
+	case DataTypeRational:
+		return 8
+	case DataTypeSByte:
+		return 1
+	case DataTypeUndefined:
+		return 1
+	case DataTypeSShort:
+		return 2
+	case DataTypeSLong:
+		return 4
+	case DataTypeSRational:
+		return 8
+	case DataTypeFloat:
+		return 4
+	case DataTypeDouble:
+		return 8
+	case DataTypeIFD:
+		return 4 // LONG
+	case DataTypeLong8:
+		return 8
+	case DataTypeSLong8:
+		return 8
+	case DataTypeIFD8:
+		return 8 // LONG8
+	}
+	return 0
+}
+
+/*****************************************************************************************************************/