go-mqtt-example/vendor/github.com/hashicorp/hcl/lex.go
Vincent Batts 81b5c05fd8
vendor: save all the vendor sources
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
2021-05-03 12:39:56 -04:00

38 lines
494 B
Go

package hcl
import (
"unicode"
"unicode/utf8"
)
type lexModeValue byte
const (
lexModeUnknown lexModeValue = iota
lexModeHcl
lexModeJson
)
// lexMode returns whether we're going to be parsing in JSON
// mode or HCL mode.
func lexMode(v []byte) lexModeValue {
var (
r rune
w int
offset int
)
for {
r, w = utf8.DecodeRune(v[offset:])
offset += w
if unicode.IsSpace(r) {
continue
}
if r == '{' {
return lexModeJson
}
break
}
return lexModeHcl
}