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github.com/leodido/go-urn
A parser for URNs.
Starting with version 1.3 this library also supports RFC 7643 SCIM URNs.
Starting with version 1.4 this library also supports RFC 8141 URNs (2017).
go get github.com/leodido/go-urn
This implementation results to be really fast.
Usually below 400 ns on my machine1.
Notice it also performs, while parsing:
ok/00/urn:a:b______________________________________/-10 51372006 109.0 ns/op 275 B/op 3 allocs/op
ok/01/URN:foo:a123,456_____________________________/-10 36024072 160.8 ns/op 296 B/op 6 allocs/op
ok/02/urn:foo:a123%2C456___________________________/-10 31901007 188.4 ns/op 320 B/op 7 allocs/op
ok/03/urn:ietf:params:scim:schemas:core:2.0:User___/-10 22736756 266.6 ns/op 376 B/op 6 allocs/op
ok/04/urn:ietf:params:scim:schemas:extension:enterp/-10 18291859 335.2 ns/op 408 B/op 6 allocs/op
ok/05/urn:ietf:params:scim:schemas:extension:enterp/-10 15283087 379.4 ns/op 440 B/op 6 allocs/op
ok/06/urn:burnout:nss______________________________/-10 39407593 155.1 ns/op 288 B/op 6 allocs/op
ok/07/urn:abcdefghilmnopqrstuvzabcdefghilm:x_______/-10 27832718 211.4 ns/op 307 B/op 4 allocs/op
ok/08/urn:urnurnurn:urn____________________________/-10 33269596 168.1 ns/op 293 B/op 6 allocs/op
ok/09/urn:ciao:!!*_________________________________/-10 41100675 148.8 ns/op 288 B/op 6 allocs/op
ok/10/urn:ciao:=@__________________________________/-10 37214253 149.7 ns/op 284 B/op 6 allocs/op
ok/11/urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'_____________/-10 26534240 229.8 ns/op 336 B/op 7 allocs/op
ok/12/URN:x:abc%1Dz%2F%3az_________________________/-10 28166396 211.8 ns/op 336 B/op 7 allocs/op
no/13/URN:---xxx:x_________________________________/-10 23635159 255.6 ns/op 419 B/op 5 allocs/op
no/14/urn::colon:nss_______________________________/-10 23594779 258.4 ns/op 419 B/op 5 allocs/op
no/15/URN:@,:x_____________________________________/-10 23742535 261.5 ns/op 419 B/op 5 allocs/op
no/16/URN:URN:NSS__________________________________/-10 27432714 223.3 ns/op 371 B/op 5 allocs/op
no/17/urn:UrN:NSS__________________________________/-10 26922117 224.9 ns/op 371 B/op 5 allocs/op
no/18/urn:a:%______________________________________/-10 24926733 224.6 ns/op 371 B/op 5 allocs/op
no/19/urn:urn:NSS__________________________________/-10 27652641 220.7 ns/op 371 B/op 5 allocs/op
For more examples take a look at the examples file.
package main
import (
"fmt"
"github.com/leodido/go-urn"
)
func main() {
var uid = "URN:foo:a123,456"
// Parse the input string as a RFC 2141 URN only
u, e := urn.NewMachine().Parse(uid)
if e != nil {
fmt.Errorf(err)
return
}
fmt.Println(u.ID)
fmt.Println(u.SS)
// Output:
// foo
// a123,456
}
package main
import (
"fmt"
"github.com/leodido/go-urn"
)
func main() {
var uid = "URN:foo:a123,456"
// Parse the input string as a RFC 2141 URN only
u, ok := urn.Parse([]byte(uid))
if !ok {
panic("error parsing urn")
}
fmt.Println(u.ID)
fmt.Println(u.SS)
// Output:
// foo
// a123,456
}
package main
import (
"fmt"
"github.com/leodido/go-urn"
)
func main() {
input := "urn:ietf:params:scim:api:messages:2.0:ListResponse"
// Parsing the input string as a RFC 7643 SCIM URN
u, ok := urn.Parse([]byte(input), urn.WithParsingMode(urn.RFC7643Only))
if !ok {
panic("error parsing urn")
}
fmt.Println(u.IsSCIM())
scim := u.SCIM()
fmt.Println(scim.Type.String())
fmt.Println(scim.Name)
fmt.Println(scim.Other)
// Output:
// true
// api
// messages
// 2.0:ListResponse
}
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