You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
1.7 KiB
80 lines
1.7 KiB
// Copyright (C) MongoDB, Inc. 2017-present.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
// not use this file except in compliance with the License. You may obtain
|
|
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
package tag // import "go.mongodb.org/mongo-driver/tag"
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
)
|
|
|
|
// Tag is a name/vlaue pair.
|
|
type Tag struct {
|
|
Name string
|
|
Value string
|
|
}
|
|
|
|
// String returns a human-readable human-readable description of the tag.
|
|
func (tag Tag) String() string {
|
|
return fmt.Sprintf("%s=%s", tag.Name, tag.Value)
|
|
}
|
|
|
|
// NewTagSetFromMap creates a new tag set from a map.
|
|
func NewTagSetFromMap(m map[string]string) Set {
|
|
var set Set
|
|
for k, v := range m {
|
|
set = append(set, Tag{Name: k, Value: v})
|
|
}
|
|
|
|
return set
|
|
}
|
|
|
|
// NewTagSetsFromMaps creates new tag sets from maps.
|
|
func NewTagSetsFromMaps(maps []map[string]string) []Set {
|
|
sets := make([]Set, 0, len(maps))
|
|
for _, m := range maps {
|
|
sets = append(sets, NewTagSetFromMap(m))
|
|
}
|
|
return sets
|
|
}
|
|
|
|
// Set is an ordered list of Tags.
|
|
type Set []Tag
|
|
|
|
// Contains indicates whether the name/value pair exists in the tagset.
|
|
func (ts Set) Contains(name, value string) bool {
|
|
for _, t := range ts {
|
|
if t.Name == name && t.Value == value {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// ContainsAll indicates whether all the name/value pairs exist in the tagset.
|
|
func (ts Set) ContainsAll(other []Tag) bool {
|
|
for _, ot := range other {
|
|
if !ts.Contains(ot.Name, ot.Value) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// String returns a human-readable human-readable description of the tagset.
|
|
func (ts Set) String() string {
|
|
var b bytes.Buffer
|
|
for i, tag := range ts {
|
|
if i > 0 {
|
|
b.WriteString(",")
|
|
}
|
|
b.WriteString(tag.String())
|
|
}
|
|
return b.String()
|
|
}
|