diff options
Diffstat (limited to 'vendor/github.com/d5/tengo/objects/builtin_json.go')
-rw-r--r-- | vendor/github.com/d5/tengo/objects/builtin_json.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/github.com/d5/tengo/objects/builtin_json.go b/vendor/github.com/d5/tengo/objects/builtin_json.go new file mode 100644 index 00000000..c0810f7d --- /dev/null +++ b/vendor/github.com/d5/tengo/objects/builtin_json.go @@ -0,0 +1,54 @@ +package objects + +import ( + "encoding/json" +) + +// to_json(v object) => bytes +func builtinToJSON(args ...Object) (Object, error) { + if len(args) != 1 { + return nil, ErrWrongNumArguments + } + + res, err := json.Marshal(objectToInterface(args[0])) + if err != nil { + return &Error{Value: &String{Value: err.Error()}}, nil + } + + return &Bytes{Value: res}, nil +} + +// from_json(data string/bytes) => object +func builtinFromJSON(args ...Object) (Object, error) { + if len(args) != 1 { + return nil, ErrWrongNumArguments + } + + var target interface{} + + switch o := args[0].(type) { + case *Bytes: + err := json.Unmarshal(o.Value, &target) + if err != nil { + return &Error{Value: &String{Value: err.Error()}}, nil + } + case *String: + err := json.Unmarshal([]byte(o.Value), &target) + if err != nil { + return &Error{Value: &String{Value: err.Error()}}, nil + } + default: + return nil, ErrInvalidArgumentType{ + Name: "first", + Expected: "bytes/string", + Found: args[0].TypeName(), + } + } + + res, err := FromInterface(target) + if err != nil { + return nil, err + } + + return res, nil +} |