Files
ippserver/packages/ipp/boolean.go

67 lines
1.2 KiB
Go

package ipp
import (
"bytes"
"encoding/binary"
"fmt"
"io"
)
// Boolean is the ipp attribute boolean
type Boolean struct {
name string
value bool
}
// NewBoolean creates a nre boolean attribute
func NewBoolean(name string, value bool) *Boolean {
b := new(Boolean)
b.name = name
b.value = value
return b
}
// Name gets tha name of the boolean attribute
func (b Boolean) Name() string {
return b.name
}
func (b Boolean) String() string {
return b.name + ":" + fmt.Sprint(b.value)
}
func (b *Boolean) valueTag() tag {
return booleanValueTag
}
func (b *Boolean) unmarshal(byteStream io.Reader) {
name, data := unmarshalSingleAttribute(byteStream)
b.name = name
if data[0] == 0 {
b.value = false
return
}
b.value = true
}
func (b *Boolean) marshal() []byte {
l := 5 + len(b.name)
ba := make([]byte, 0, l)
buf := bytes.NewBuffer(ba)
buf.WriteByte(byte(booleanValueTag))
binary.Write(buf, binary.BigEndian, uint16(len(b.name)))
buf.WriteString(b.name)
binary.Write(buf, binary.BigEndian, uint16(1))
if b.value {
buf.WriteByte(byte(1))
} else {
buf.WriteByte(byte(0))
}
return buf.Bytes()
}
func (b *Boolean) size() int {
l := 5 + len(b.name)
return l
}