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package feed
import (
"encoding/json"
"fmt"
"math"
"strconv"
)
// CVSS score
type Score uint8
// // create new score from floating point value.
// func NewScore(v float64) (Score, error) {
// // check score
// if v < 0.0 || v > 10.0 {
// return Score(0), fmt.Errorf("CVSS score out of bounds: %2.1f", v)
// } else {
// // convert to score, return success
// return Score(uint8(math.Trunc(10.0 * v))), nil
// }
// }
// Unmarshal CVSS score from JSON.
func (me *Score) UnmarshalJSON(b []byte) error {
// decode float, check for error
var v float64
if err := json.Unmarshal(b, &v); err != nil {
return err
}
// check score
if v < 0.0 || v > 10.0 {
return fmt.Errorf("CVSS score out of bounds: %2.1f", v)
}
// save result, return success
*me = Score(uint8(math.Trunc(10.0 * v)))
return nil
}
// Convert to string.
func (me Score) String() string {
val := float64(me) / 10.0
return strconv.FormatFloat(val, 'f', 1, 64)
}
// Return floating point representation of score.
func (s Score) Float() float32 {
return float32(s) / 10.0
}
// Marshal score as JSON.
func (s Score) MarshalJSON() ([]byte, error) {
return json.Marshal(s.Float())
}
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