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flags.go
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flags.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package format
import (
"strconv"
"strings"
"github.com/spf13/pflag"
)
// Uint16Flags is a slice of unsigned 16-bit ints with some convenience methods.
type Uint16Flags []uint16
var _ pflag.Value = &Uint16Flags{}
// String provides a human-readable string format of the received variable.
func (i *Uint16Flags) String() string {
pieces := make([]string, 0, len(*i))
for _, v := range *i {
pieces = append(pieces, strconv.Itoa(int(v)))
}
return strings.Join(pieces, ", ")
}
// Set converts the specified value into an integer and appends it to the flags.
// Returns an error if the value cannot be converted to a 16-bit unsigned value.
func (i *Uint16Flags) Set(value string) error {
vUint64, err := strconv.ParseUint(value, 10, 16)
if err != nil {
return err
}
*i = append(*i, uint16(vUint64))
return nil
}
// Type returns a human-readable string representing the type of the receiver.
func (i *Uint16Flags) Type() string {
return "[]uint16"
}
// Has returns true of value exist
func (i *Uint16Flags) Has(value uint16) bool {
for _, v := range *i {
if v == value {
return true
}
}
return false
}