4841bc9226
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package data
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import (
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"fmt"
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"strings"
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)
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type Message string
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func Empty() Message {
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return Message(Encode(nil))
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}
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func (m Message) Add(k, v string) Message {
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data, err := Decode(string(m))
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if err != nil {
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return m
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}
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if values, exists := data[k]; exists {
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data[k] = append(values, v)
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} else {
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data[k] = []string{v}
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}
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return Message(Encode(data))
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}
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func (m Message) Set(k string, v ...string) Message {
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data, err := Decode(string(m))
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if err != nil {
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panic(err)
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return m
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}
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data[k] = v
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return Message(Encode(data))
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}
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func (m Message) Del(k string) Message {
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data, err := Decode(string(m))
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if err != nil {
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panic(err)
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return m
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}
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delete(data, k)
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return Message(Encode(data))
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}
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func (m Message) Get(k string) []string {
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data, err := Decode(string(m))
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if err != nil {
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return nil
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}
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v, exists := data[k]
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if !exists {
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return nil
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}
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return v
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}
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func (m Message) Pretty() string {
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data, err := Decode(string(m))
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if err != nil {
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return ""
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}
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entries := make([]string, 0, len(data))
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for k, values := range data {
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entries = append(entries, fmt.Sprintf("%s=%s", k, strings.Join(values, ",")))
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}
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return strings.Join(entries, "\n")
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}
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func (m Message) String() string {
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return string(m)
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}
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func (m Message) Bytes() []byte {
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return []byte(m)
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}
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