77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package data
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
type Message string
|
|
|
|
func Empty() Message {
|
|
return Message(Encode(nil))
|
|
}
|
|
|
|
func (m Message) Add(k, v string) Message {
|
|
data, err := Decode(string(m))
|
|
if err != nil {
|
|
return m
|
|
}
|
|
if values, exists := data[k]; exists {
|
|
data[k] = append(values, v)
|
|
} else {
|
|
data[k] = []string{v}
|
|
}
|
|
return Message(Encode(data))
|
|
}
|
|
|
|
func (m Message) Set(k string, v ...string) Message {
|
|
data, err := Decode(string(m))
|
|
if err != nil {
|
|
panic(err)
|
|
return m
|
|
}
|
|
data[k] = v
|
|
return Message(Encode(data))
|
|
}
|
|
|
|
func (m Message) Del(k string) Message {
|
|
data, err := Decode(string(m))
|
|
if err != nil {
|
|
panic(err)
|
|
return m
|
|
}
|
|
delete(data, k)
|
|
return Message(Encode(data))
|
|
}
|
|
|
|
func (m Message) Get(k string) []string {
|
|
data, err := Decode(string(m))
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
v, exists := data[k]
|
|
if !exists {
|
|
return nil
|
|
}
|
|
return v
|
|
}
|
|
|
|
func (m Message) Pretty() string {
|
|
data, err := Decode(string(m))
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
entries := make([]string, 0, len(data))
|
|
for k, values := range data {
|
|
entries = append(entries, fmt.Sprintf("%s=%s", k, strings.Join(values, ",")))
|
|
}
|
|
return strings.Join(entries, " ")
|
|
}
|
|
|
|
func (m Message) String() string {
|
|
return string(m)
|
|
}
|
|
|
|
func (m Message) Bytes() []byte {
|
|
return []byte(m)
|
|
}
|