mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
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153 lines
No EOL
4.9 KiB
Markdown
153 lines
No EOL
4.9 KiB
Markdown
[![Build](https://img.shields.io/circleci/build/github/leodido/go-urn?style=for-the-badge)](https://app.circleci.com/pipelines/github/leodido/go-urn) [![Coverage](https://img.shields.io/codecov/c/github/leodido/go-urn.svg?style=for-the-badge)](https://codecov.io/gh/leodido/go-urn) [![Documentation](https://img.shields.io/badge/godoc-reference-blue.svg?style=for-the-badge)](https://godoc.org/github.com/leodido/go-urn)
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**A parser for URNs**.
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> As seen on [RFC 2141](https://datatracker.ietf.org/doc/html/rfc2141), [RFC 7643](https://datatracker.ietf.org/doc/html/rfc7643#section-10), and on [RFC 8141](https://datatracker.ietf.org/doc/html/rfc8141).
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[API documentation](https://godoc.org/github.com/leodido/go-urn).
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Starting with version 1.3 this library also supports [RFC 7643 SCIM URNs](https://datatracker.ietf.org/doc/html/rfc7643#section-10).
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Starting with version 1.4 this library also supports [RFC 8141 URNs (2017)](https://datatracker.ietf.org/doc/html/rfc8141).
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## Installation
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```
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go get github.com/leodido/go-urn
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```
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## Features
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1. RFC 2141 URNs parsing (default)
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2. RFC 8141 URNs parsing (supersedes RFC 2141)
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3. RFC 7643 SCIM URNs parsing
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4. Normalization as per RFCs
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5. Lexical equivalence as per RFCs
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6. Precise, fine-grained errors
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## Performances
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This implementation results to be really fast.
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Usually below 400 ns on my machine<sup>[1](#mymachine)</sup>.
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Notice it also performs, while parsing:
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1. fine-grained and informative erroring
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2. specific-string normalization
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```
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ok/00/urn:a:b______________________________________/-10 51372006 109.0 ns/op 275 B/op 3 allocs/op
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ok/01/URN:foo:a123,456_____________________________/-10 36024072 160.8 ns/op 296 B/op 6 allocs/op
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ok/02/urn:foo:a123%2C456___________________________/-10 31901007 188.4 ns/op 320 B/op 7 allocs/op
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ok/03/urn:ietf:params:scim:schemas:core:2.0:User___/-10 22736756 266.6 ns/op 376 B/op 6 allocs/op
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ok/04/urn:ietf:params:scim:schemas:extension:enterp/-10 18291859 335.2 ns/op 408 B/op 6 allocs/op
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ok/05/urn:ietf:params:scim:schemas:extension:enterp/-10 15283087 379.4 ns/op 440 B/op 6 allocs/op
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ok/06/urn:burnout:nss______________________________/-10 39407593 155.1 ns/op 288 B/op 6 allocs/op
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ok/07/urn:abcdefghilmnopqrstuvzabcdefghilm:x_______/-10 27832718 211.4 ns/op 307 B/op 4 allocs/op
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ok/08/urn:urnurnurn:urn____________________________/-10 33269596 168.1 ns/op 293 B/op 6 allocs/op
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ok/09/urn:ciao:!!*_________________________________/-10 41100675 148.8 ns/op 288 B/op 6 allocs/op
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ok/10/urn:ciao:=@__________________________________/-10 37214253 149.7 ns/op 284 B/op 6 allocs/op
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ok/11/urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'_____________/-10 26534240 229.8 ns/op 336 B/op 7 allocs/op
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ok/12/URN:x:abc%1Dz%2F%3az_________________________/-10 28166396 211.8 ns/op 336 B/op 7 allocs/op
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no/13/URN:---xxx:x_________________________________/-10 23635159 255.6 ns/op 419 B/op 5 allocs/op
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no/14/urn::colon:nss_______________________________/-10 23594779 258.4 ns/op 419 B/op 5 allocs/op
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no/15/URN:@,:x_____________________________________/-10 23742535 261.5 ns/op 419 B/op 5 allocs/op
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no/16/URN:URN:NSS__________________________________/-10 27432714 223.3 ns/op 371 B/op 5 allocs/op
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no/17/urn:UrN:NSS__________________________________/-10 26922117 224.9 ns/op 371 B/op 5 allocs/op
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no/18/urn:a:%______________________________________/-10 24926733 224.6 ns/op 371 B/op 5 allocs/op
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no/19/urn:urn:NSS__________________________________/-10 27652641 220.7 ns/op 371 B/op 5 allocs/op
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```
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* <a name="mymachine">[1]</a>: Apple M1 Pro
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## Example
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For more examples take a look at the [examples file](examples_test.go).
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```go
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package main
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import (
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"fmt"
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"github.com/leodido/go-urn"
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)
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func main() {
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var uid = "URN:foo:a123,456"
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// Parse the input string as a RFC 2141 URN only
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u, e := urn.NewMachine().Parse(uid)
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if e != nil {
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fmt.Errorf(err)
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return
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}
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fmt.Println(u.ID)
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fmt.Println(u.SS)
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// Output:
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// foo
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// a123,456
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}
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```
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```go
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package main
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import (
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"fmt"
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"github.com/leodido/go-urn"
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)
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func main() {
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var uid = "URN:foo:a123,456"
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// Parse the input string as a RFC 2141 URN only
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u, ok := urn.Parse([]byte(uid))
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if !ok {
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panic("error parsing urn")
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}
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fmt.Println(u.ID)
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fmt.Println(u.SS)
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// Output:
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// foo
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// a123,456
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}
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```
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```go
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package main
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import (
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"fmt"
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"github.com/leodido/go-urn"
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)
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func main() {
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input := "urn:ietf:params:scim:api:messages:2.0:ListResponse"
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// Parsing the input string as a RFC 7643 SCIM URN
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u, ok := urn.Parse([]byte(input), urn.WithParsingMode(urn.RFC7643Only))
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if !ok {
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panic("error parsing urn")
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}
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fmt.Println(u.IsSCIM())
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scim := u.SCIM()
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fmt.Println(scim.Type.String())
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fmt.Println(scim.Name)
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fmt.Println(scim.Other)
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// Output:
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// true
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// api
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// messages
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// 2.0:ListResponse
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}
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``` |