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