1 files changed, 52 insertions, 0 deletions
diff --git a/tvloader/parser2v1/parse_relationship.go b/tvloader/parser2v1/parse_relationship.go
new file mode 100644
index 0000000..2b9b8cc
--- /dev/null
+++ b/tvloader/parser2v1/parse_relationship.go
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+package parser2v1
+
+import (
+	"fmt"
+	"strings"
+)
+
+func (parser *tvParser2_1) parsePairForRelationship2_1(tag string, value string) error {
+	if parser.rln == nil {
+		return fmt.Errorf("no relationship struct created in parser rln pointer")
+	}
+
+	if tag == "Relationship" {
+		// parse the value to see if it's a valid relationship format
+		sp := strings.SplitN(value, " ", -1)
+
+		// filter out any purely-whitespace items
+		var rp []string
+		for _, v := range sp {
+			v = strings.TrimSpace(v)
+			if v != "" {
+				rp = append(rp, v)
+			}
+		}
+
+		if len(rp) != 3 {
+			return fmt.Errorf("invalid relationship format for %s", value)
+		}
+
+		aID, err := extractDocElementID(strings.TrimSpace(rp[0]))
+		if err != nil {
+			return err
+		}
+		parser.rln.RefA = aID
+		parser.rln.Relationship = strings.TrimSpace(rp[1])
+		bID, err := extractDocElementID(strings.TrimSpace(rp[2]))
+		if err != nil {
+			return err
+		}
+		parser.rln.RefB = bID
+		return nil
+	}
+
+	if tag == "RelationshipComment" {
+		parser.rln.RelationshipComment = value
+		return nil
+	}
+
+	return fmt.Errorf("received unknown tag %v in Relationship section", tag)
+}