missing title workaround and move part traversal to separate file (#68)

metaschema/types.tmpl

@@ -16,6 +16,7 @@ type {{toCamel .Name}} struct {
   {{- end}}
   {{- if eq "profile" .Name}}
   ID string `xml:"id,attr,omitempty" json:"id,omitempty"`
+  Title string `xml:"title,omitempty" json:"title,omitempty"`
   {{- end}}
 {{- range .Flags}}
   {{- $cf := commentFlag .Name $m.DefineFlag}}

types/oscal/catalog/prose.go

@@ -424,3 +424,26 @@ func formatRawProse(raw string) string {
 
 	return strings.Join(value, " ")
 }
+
+func traverseParts(part *Part, parameterID, parameterVal string) {
+	if part == nil {
+		return
+	}
+	if part.Prose == nil {
+		return
+	}
+
+	part.Prose.ReplaceInsertParams(parameterID, parameterVal)
+	if len(part.Parts) == 0 {
+		return
+	}
+	for i := range part.Parts {
+		traverseParts(&part.Parts[i], parameterID, parameterVal)
+	}
+	return
+}
+
+// ModifyProse modifies prose insert parameter template
+func (part *Part) ModifyProse(parameterID, parameterVal string) {
+	traverseParts(part, parameterID, parameterVal)
+}