separate CPE definitions from capabilities

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

internal/formats/common/cyclonedxhelpers/cpe.go

@@ -2,6 +2,7 @@ package cyclonedxhelpers
 
 import (
 	"github.com/CycloneDX/cyclonedx-go"
+	"github.com/anchore/syft/syft/cpe"
 
 	"github.com/anchore/syft/internal/log"
 	"github.com/anchore/syft/syft/pkg"
@@ -11,7 +12,7 @@ func encodeSingleCPE(p pkg.Package) string {
 	// Since the CPEs in a package are sorted by specificity
 	// we can extract the first CPE as the one to output in cyclonedx
 	if len(p.CPEs) > 0 {
-		return pkg.CPEString(p.CPEs[0])
+		return cpe.String(p.CPEs[0])
 	}
 	return ""
 }
@@ -24,15 +25,15 @@ func encodeCPEs(p pkg.Package) (out []cyclonedx.Property) {
 		}
 		out = append(out, cyclonedx.Property{
 			Name:  "syft:cpe23",
-			Value: pkg.CPEString(c),
+			Value: cpe.String(c),
 		})
 	}
 	return
 }
 
-func decodeCPEs(c *cyclonedx.Component) (out []pkg.CPE) {
+func decodeCPEs(c *cyclonedx.Component) (out []cpe.CPE) {
 	if c.CPE != "" {
-		cp, err := pkg.NewCPE(c.CPE)
+		cp, err := cpe.New(c.CPE)
 		if err != nil {
 			log.Warnf("invalid CPE: %s", c.CPE)
 		} else {
@@ -43,7 +44,7 @@ func decodeCPEs(c *cyclonedx.Component) (out []pkg.CPE) {
 	if c.Properties != nil {
 		for _, p := range *c.Properties {
 			if p.Name == "syft:cpe23" {
-				cp, err := pkg.NewCPE(p.Value)
+				cp, err := cpe.New(p.Value)
 				if err != nil {
 					log.Warnf("invalid CPE: %s", p.Value)
 				} else {

internal/formats/common/cyclonedxhelpers/cpe_test.go

@@ -1,6 +1,7 @@
 package cyclonedxhelpers
 
 import (
+	"github.com/anchore/syft/syft/cpe"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -9,8 +10,8 @@ import (
 )
 
 func Test_encodeCPE(t *testing.T) {
-	testCPE := pkg.MustCPE("cpe:2.3:a:name:name:3.2:*:*:*:*:*:*:*")
-	testCPE2 := pkg.MustCPE("cpe:2.3:a:name:name2:3.2:*:*:*:*:*:*:*")
+	testCPE := cpe.Must("cpe:2.3:a:name:name:3.2:*:*:*:*:*:*:*")
+	testCPE2 := cpe.Must("cpe:2.3:a:name:name2:3.2:*:*:*:*:*:*:*")
 	tests := []struct {
 		name     string
 		input    pkg.Package
@@ -20,14 +21,14 @@ func Test_encodeCPE(t *testing.T) {
 			// note: since this is an optional field, no value is preferred over NONE or NOASSERTION
 			name: "no metadata",
 			input: pkg.Package{
-				CPEs: []pkg.CPE{},
+				CPEs: []cpe.CPE{},
 			},
 			expected: "",
 		},
 		{
 			name: "single CPE",
 			input: pkg.Package{
-				CPEs: []pkg.CPE{
+				CPEs: []cpe.CPE{
 					testCPE,
 				},
 			},
@@ -36,7 +37,7 @@ func Test_encodeCPE(t *testing.T) {
 		{
 			name: "multiple CPEs",
 			input: pkg.Package{
-				CPEs: []pkg.CPE{
+				CPEs: []cpe.CPE{
 					testCPE2,
 					testCPE,
 				},

internal/formats/common/cyclonedxhelpers/decoder.go

@@ -49,7 +49,7 @@ func toSyftModel(bom *cyclonedx.BOM) (*sbom.SBOM, error) {
 	}
 	s := &sbom.SBOM{
 		Artifacts: sbom.Artifacts{
-			PackageCatalog:    pkg.NewCatalog(),
+			PackageCatalog:    pkg.NewCollection(),
 			LinuxDistribution: linuxReleaseFromComponents(*bom.Components),
 		},
 		Source: meta,