1 files changed, 81 insertions, 0 deletions
diff --git a/rdfloader/parser2v3/parse_annotation.go b/rdfloader/parser2v3/parse_annotation.go
new file mode 100644
index 0000000..507158a
--- /dev/null
+++ b/rdfloader/parser2v3/parse_annotation.go
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+package parser2v3
+
+import (
+	"errors"
+	"fmt"
+
+	gordfParser "github.com/spdx/gordf/rdfloader/parser"
+	"github.com/spdx/tools-golang/spdx/v2_3"
+)
+
+// creates a new instance of annotation and sets the annotation attributes
+// associated with the given node.
+// The newly created annotation is appended to the doc.
+func (parser *rdfParser2_3) parseAnnotationFromNode(node *gordfParser.Node) (err error) {
+	ann := &v2_3.Annotation{}
+	for _, subTriple := range parser.nodeToTriples(node) {
+		switch subTriple.Predicate.ID {
+		case SPDX_ANNOTATOR:
+			// cardinality: exactly 1
+			err = setAnnotatorFromString(subTriple.Object.ID, ann)
+		case SPDX_ANNOTATION_DATE:
+			// cardinality: exactly 1
+			ann.AnnotationDate = subTriple.Object.ID
+		case RDFS_COMMENT:
+			// cardinality: exactly 1
+			ann.AnnotationComment = subTriple.Object.ID
+		case SPDX_ANNOTATION_TYPE:
+			// cardinality: exactly 1
+			err = setAnnotationType(subTriple.Object.ID, ann)
+		case RDF_TYPE:
+			// cardinality: exactly 1
+			continue
+		default:
+			err = fmt.Errorf("unknown predicate %s while parsing annotation", subTriple.Predicate.ID)
+		}
+		if err != nil {
+			return err
+		}
+	}
+	return setAnnotationToParser(parser, ann)
+}
+
+func setAnnotationToParser(parser *rdfParser2_3, annotation *v2_3.Annotation) error {
+	if parser.doc == nil {
+		return errors.New("uninitialized spdx document")
+	}
+	if parser.doc.Annotations == nil {
+		parser.doc.Annotations = []*v2_3.Annotation{}
+	}
+	parser.doc.Annotations = append(parser.doc.Annotations, annotation)
+	return nil
+}
+
+// annotator is of type [Person|Organization|Tool]:String
+func setAnnotatorFromString(annotatorString string, ann *v2_3.Annotation) error {
+	subkey, subvalue, err := ExtractSubs(annotatorString, ":")
+	if err != nil {
+		return err
+	}
+	if subkey == "Person" || subkey == "Organization" || subkey == "Tool" {
+		ann.Annotator.AnnotatorType = subkey
+		ann.Annotator.Annotator = subvalue
+		return nil
+	}
+	return fmt.Errorf("unrecognized Annotator type %v while parsing annotation", subkey)
+}
+
+// it can be NS_SPDX+annotationType_[review|other]
+func setAnnotationType(annType string, ann *v2_3.Annotation) error {
+	switch annType {
+	case SPDX_ANNOTATION_TYPE_OTHER:
+		ann.AnnotationType = "OTHER"
+	case SPDX_ANNOTATION_TYPE_REVIEW:
+		ann.AnnotationType = "REVIEW"
+	default:
+		return fmt.Errorf("unknown annotation type %s", annType)
+	}
+	return nil
+}