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package msgpack
import (
"strings"
)
type tagOptions string
func (o tagOptions) Get(name string) (string, bool) {
s := string(o)
for len(s) > 0 {
var next string
idx := strings.IndexByte(s, ',')
if idx >= 0 {
s, next = s[:idx], s[idx+1:]
}
if strings.HasPrefix(s, name) {
return s[len(name):], true
}
s = next
}
return "", false
}
func (o tagOptions) Contains(name string) bool {
_, ok := o.Get(name)
return ok
}
func parseTag(tag string) (string, tagOptions) {
if idx := strings.IndexByte(tag, ','); idx != -1 {
name := tag[:idx]
if strings.IndexByte(name, ':') == -1 {
return name, tagOptions(tag[idx+1:])
}
}
if strings.IndexByte(tag, ':') == -1 {
return tag, ""
}
return "", tagOptions(tag)
}
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