1 files changed, 36 insertions, 0 deletions
diff --git a/internal/cvss/vector.go b/internal/cvss/vector.go
new file mode 100644
index 0000000..3e465c5
--- /dev/null
+++ b/internal/cvss/vector.go
@@ -0,0 +1,36 @@
+package cvss
+
+import (
+  "fmt"
+)
+
+// CVSS metric vector.
+type Vector interface {
+  // Get CVSS version.
+  Version() Version
+
+  // Get CVSS vector string.
+  String() string
+
+  // Return metrics in this vector.
+  Metrics() []Metric
+
+  // Unmarshal vector from JSON.
+  // UnmarshalJSON(b []byte) error
+}
+
+// Create new CVSS vector from vector string.
+func NewVector(s string) (Vector, error) {
+  if isV31VectorString(s) {
+    // create CVSS v3.1 vector.
+    return newV31Vector(s)
+  } else if isV30VectorString(s) {
+    // create CVSS v3.0 vector.
+    return newV30Vector(s)
+  } else if isV2VectorString(s) {
+    // create CVSS v2 vector.
+    return newV2Vector(s)
+  } else {
+    return nil, fmt.Errorf("invalid CVSS vector: %s", s)
+  }
+}