zlog/internal/cbor/string.go

64 lines
1.5 KiB
Go
Raw Normal View History

package cbor
// AppendStrings encodes and adds an array of strings to the dst byte array.
func AppendStrings(dst []byte, vals []string) []byte {
major := majorTypeArray
l := len(vals)
if l <= additionalMax {
lb := byte(l)
dst = append(dst, byte(major|lb))
} else {
dst = appendCborTypePrefix(dst, major, uint64(l))
}
for _, v := range vals {
dst = AppendString(dst, v)
}
return dst
}
// AppendString encodes and adds a string to the dst byte array.
func AppendString(dst []byte, s string) []byte {
major := majorTypeUtf8String
l := len(s)
if l <= additionalMax {
lb := byte(l)
dst = append(dst, byte(major|lb))
} else {
dst = appendCborTypePrefix(dst, majorTypeUtf8String, uint64(l))
}
return append(dst, s...)
}
// AppendBytes encodes and adds an array of bytes to the dst byte array.
func AppendBytes(dst, s []byte) []byte {
major := majorTypeByteString
l := len(s)
if l <= additionalMax {
lb := byte(l)
dst = append(dst, byte(major|lb))
} else {
dst = appendCborTypePrefix(dst, major, uint64(l))
}
return append(dst, s...)
}
// AppendEmbeddedJSON adds a tag and embeds input JSON as such.
func AppendEmbeddedJSON(dst, s []byte) []byte {
major := majorTypeTags
minor := additionalTypeEmbeddedJSON
dst = append(dst, byte(major|minor))
major = majorTypeByteString
l := len(s)
if l <= additionalMax {
lb := byte(l)
dst = append(dst, byte(major|lb))
} else {
dst = appendCborTypePrefix(dst, major, uint64(l))
}
return append(dst, s...)
}