1 // Command toml-test-decoder satisfies the toml-test interface for testing
2 // TOML decoders. Namely, it accepts TOML on stdin and outputs JSON on stdout.
14 "github.com/BurntSushi/toml"
25 log.Printf("Usage: %s < toml-file\n", path.Base(os.Args[0]))
37 if _, err := toml.DecodeReader(os.Stdin, &tmp); err != nil {
38 log.Fatalf("Error decoding TOML: %s", err)
41 typedTmp := translate(tmp)
42 if err := json.NewEncoder(os.Stdout).Encode(typedTmp); err != nil {
43 log.Fatalf("Error encoding JSON: %s", err)
47 func translate(tomlData interface{}) interface{} {
48 switch orig := tomlData.(type) {
49 case map[string]interface{}:
50 typed := make(map[string]interface{}, len(orig))
51 for k, v := range orig {
52 typed[k] = translate(v)
55 case []map[string]interface{}:
56 typed := make([]map[string]interface{}, len(orig))
57 for i, v := range orig {
58 typed[i] = translate(v).(map[string]interface{})
62 typed := make([]interface{}, len(orig))
63 for i, v := range orig {
64 typed[i] = translate(v)
67 // We don't really need to tag arrays, but let's be future proof.
68 // (If TOML ever supports tuples, we'll need this.)
69 return tag("array", typed)
71 return tag("datetime", orig.Format("2006-01-02T15:04:05Z"))
73 return tag("bool", fmt.Sprintf("%v", orig))
75 return tag("integer", fmt.Sprintf("%d", orig))
77 return tag("float", fmt.Sprintf("%v", orig))
79 return tag("string", orig)
82 panic(fmt.Sprintf("Unknown type: %T", tomlData))
85 func tag(typeName string, data interface{}) map[string]interface{} {
86 return map[string]interface{}{