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archop.go
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archop.go
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package types
import (
"bytes"
"regexp"
)
type ArchOp uint
const (
opInvalid ArchOp = iota // invalid
OpEquals // equals
OpNotEquals // not equals
OpPatternMatch // pattern match
)
func (o ArchOp) Cmp(a, b string) bool {
switch {
case b == "":
return true
case a == "":
return false
default:
}
switch o {
case OpEquals:
return a == b
case OpNotEquals:
return a != b
case OpPatternMatch:
re, err := regexp.Compile(b)
if err != nil {
return false
}
return re.MatchString(a)
default:
}
return false
}
func (o ArchOp) MarshalText() (text []byte, err error) {
return []byte(o.String()), nil
}
func (o *ArchOp) UnmarshalText(text []byte) error {
i := bytes.Index([]byte(_ArchOp_name), text)
if i == -1 {
*o = ArchOp(0)
return nil
}
idx := uint8(i)
for i, off := range _ArchOp_index {
if off == idx {
*o = ArchOp(i)
return nil
}
}
panic("unreachable")
}