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archop.go
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package claircore
import (
"bytes"
"database/sql/driver"
"fmt"
"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")
}
func (o ArchOp) Value() (driver.Value, error) {
return o.String(), nil
}
func (o *ArchOp) Scan(i interface{}) error {
switch v := i.(type) {
case []byte:
return o.UnmarshalText(v)
case string:
return o.UnmarshalText([]byte(v))
case int64:
if v >= int64(len(_ArchOp_index)-1) {
return fmt.Errorf("unable to scan ArchOp from enum %d", v)
}
*o = ArchOp(v)
default:
return fmt.Errorf("unable to scan ArchOp from type %T", i)
}
return nil
}