Support for kebab case and dot notation in permission generation tool (#3222)

* support for fullstop and hypen in permissions.yaml

* updated the readme.

pkg/analyzer/README.md

@@ -2,7 +2,10 @@
 
 ## Defining the Permissions
 
-Permissions are defined in lower snake case as `permission_name:access_level`.
+Permissions can be defined in:
+- lower snake case as `permission_name:access_level`
+- kebab case as `permission-name:read`
+- dot notation as `permission.name:read`
 
 The Permissions are initially defined as a [yaml file](analyzers/twilio/permissions.yaml).
 

pkg/analyzer/generate_permissions/generate_permissions.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"regexp"
 	"strings"
 	"text/template"
 
@@ -95,7 +96,7 @@ func ToCamelCase(s string) string {
 	parts := strings.Split(s, ":")
 	caser := cases.Title(language.English)
 	for i := range parts {
-		subParts := strings.Split(parts[i], "_")
+		subParts := regexp.MustCompile(`[\_\.\-]+`).Split(parts[i], -1)
 		for j := range subParts {
 			subParts[j] = caser.String(subParts[j])
 		}