From 2edd887a7fdb493c047c0900123af063ddf23b1d Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Mon, 31 Jan 2022 14:29:13 -0500
Subject: add internal/cvss/v2vector.go

---
 internal/cvss/v2vector.go | 62 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 internal/cvss/v2vector.go

(limited to 'internal/cvss/v2vector.go')

diff --git a/internal/cvss/v2vector.go b/internal/cvss/v2vector.go
new file mode 100644
index 0000000..1cb318a
--- /dev/null
+++ b/internal/cvss/v2vector.go
@@ -0,0 +1,62 @@
+// CVSS vector parser.
+package cvss
+
+import (
+  "strings"
+)
+
+// CVSS 2.0 vector.
+type v2Vector []v2Metric
+
+// Convert vector to string.
+func (v v2Vector) String() string {
+  // convert to slice of metrics
+  metrics := []v2Metric(v)
+
+  // build vector
+  r := make([]string, len(metrics))
+  for i, m := range(metrics) {
+    r[i] = m.String()
+  }
+
+  // build and return string
+  return strings.Join(r, "/")
+}
+
+// Return CVSS version.
+func (v2Vector) Version() Version {
+  return V20
+}
+
+// Return metrics in this vector.
+func (v v2Vector) Metrics() []Metric {
+  // build result
+  r := make([]Metric, len(v))
+  for i, m := range(v) {
+    r[i] = m
+  }
+
+  // return result
+  return r
+}
+
+// Create CVSS 2.0 vector from string.
+func newV2Vector(s string) (Vector, error) {
+  strs := strings.Split(s, "/")
+  r := make([]v2Metric, len(strs))
+
+  // walk metric strings
+  for i, ms := range(strs) {
+    // convert string to vector
+    m, err := getV2MetricFromString(ms)
+    if err != nil {
+      return nil, err
+    }
+
+    // add to results
+    r[i] = m
+  }
+
+  // build and return vector
+  return v2Vector(r), nil
+}
-- 
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