diff options
Diffstat (limited to 'borrowed_misc.go')
-rw-r--r-- | borrowed_misc.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/borrowed_misc.go b/borrowed_misc.go index 343c924..d5ace19 100644 --- a/borrowed_misc.go +++ b/borrowed_misc.go @@ -6,6 +6,8 @@ package lowmemjson import ( "reflect" + "strings" + "unicode" ) // from encode.go @@ -26,3 +28,21 @@ func isEmptyValue(v reflect.Value) bool { } return false } + +// from encode.go +func isValidTag(s string) bool { + if s == "" { + return false + } + for _, c := range s { + switch { + case strings.ContainsRune("!#$%&()*+-./:;<=>?@[]^_{|}~ ", c): + // Backslash and quote chars are reserved, but + // otherwise any punctuation chars are allowed + // in a tag name. + case !unicode.IsLetter(c) && !unicode.IsDigit(c): + return false + } + } + return true +} |