1 files changed, 64 insertions, 0 deletions
diff --git a/reporter/reporter.go b/reporter/reporter.go
index 3d07668..0a492bc 100644
--- a/reporter/reporter.go
+++ b/reporter/reporter.go
@@ -12,6 +12,7 @@ import (
 
 	"github.com/spdx/tools-golang/spdx/v2_1"
 	"github.com/spdx/tools-golang/spdx/v2_2"
+	"github.com/spdx/tools-golang/spdx/v2_3"
 )
 
 // ===== 2.1 Reporter functions =====
@@ -139,3 +140,66 @@ func countLicenses2_2(pkg *v2_2.Package) (int, int, map[string]int) {
 
 	return totalFound, totalNotFound, foundCounts
 }
+
+// ===== 2.3 Reporter functions =====
+
+// Generate2_3 takes a Package whose Files have been analyzed and an
+// io.Writer, and outputs to the io.Writer a tabulated count of
+// the number of Files for each unique LicenseConcluded in the set.
+func Generate2_3(pkg *v2_3.Package, w io.Writer) error {
+	if pkg.FilesAnalyzed == false {
+		return fmt.Errorf("Package FilesAnalyzed is false")
+	}
+	totalFound, totalNotFound, foundCounts := countLicenses2_3(pkg)
+
+	wr := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.AlignRight)
+
+	fmt.Fprintf(wr, "%d\t  License found\n", totalFound)
+	fmt.Fprintf(wr, "%d\t  License not found\n", totalNotFound)
+	fmt.Fprintf(wr, "%d\t  TOTAL\n", totalFound+totalNotFound)
+	fmt.Fprintf(wr, "\n")
+
+	counts := []struct {
+		lic   string
+		count int
+	}{}
+	for k, v := range foundCounts {
+		var entry struct {
+			lic   string
+			count int
+		}
+		entry.lic = k
+		entry.count = v
+		counts = append(counts, entry)
+	}
+
+	sort.Slice(counts, func(i, j int) bool { return counts[i].count > counts[j].count })
+
+	for _, c := range counts {
+		fmt.Fprintf(wr, "%d\t  %s\n", c.count, c.lic)
+	}
+	fmt.Fprintf(wr, "%d\t  TOTAL FOUND\n", totalFound)
+
+	wr.Flush()
+	return nil
+}
+
+func countLicenses2_3(pkg *v2_3.Package) (int, int, map[string]int) {
+	if pkg == nil || pkg.Files == nil {
+		return 0, 0, nil
+	}
+
+	totalFound := 0
+	totalNotFound := 0
+	foundCounts := map[string]int{}
+	for _, f := range pkg.Files {
+		if f.LicenseConcluded == "" || f.LicenseConcluded == "NOASSERTION" {
+			totalNotFound++
+		} else {
+			totalFound++
+			foundCounts[f.LicenseConcluded]++
+		}
+	}
+
+	return totalFound, totalNotFound, foundCounts
+}