feat(parser): support of YAML alias (#4659)

pkg/model/model_yaml.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"strconv"
 
+	"github.com/Checkmarx/kics/pkg/utils"
 	"github.com/rs/zerolog/log"
 	"gopkg.in/yaml.v3"
 )
@@ -70,6 +71,10 @@ func unmarshal(val *yaml.Node) interface{} {
 						contentArray = append(contentArray, unmarshal(contentEntry))
 					}
 					tmp[val.Content[i].Value] = contentArray
+				case yaml.AliasNode:
+					tt := unmarshal(val.Content[i+1].Alias).(map[string]interface{})
+					tt["_kics_lines"] = getLines(val.Content[i+1], val.Content[i].Line)
+					utils.MergeMaps(tmp, tt)
 				}
 			}
 		}

pkg/parser/yaml/parser_test.go

@@ -240,7 +240,24 @@ downscaler_enabled: "false"
 				  }
 				},
 				"perm": [
-				  {}
+					{
+						"_kics_lines": {
+							"_kics__default": {
+								"_kics_line": 9
+							}
+						},
+						"group": {
+							"_kics_lines": {
+								"_kics__default": {
+									"_kics_line": 4
+								},
+								"_kics_name": {
+									"_kics_line": 6
+								}
+							},
+							"name": "cx"
+						}
+					}
 				]
 			  }
 			}

pkg/utils/map.go

@@ -11,3 +11,10 @@ func SortedKeys(mapToSort map[string]string) []string {
 	sort.Strings(keys)
 	return keys
 }
+
+// MergeMaps merges two maps
+func MergeMaps(map1, map2 map[string]interface{}) {
+	for key, value := range map2 {
+		map1[key] = value
+	}
+}