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82 lines
3.3 KiB
Markdown
82 lines
3.3 KiB
Markdown
# link
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[](https://travis-ci.org/peterhellberg/link)
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[](https://godoc.org/github.com/peterhellberg/link)
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[](https://github.com/peterhellberg/link#license-mit)
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Parses **Link** headers used for pagination, as defined in [RFC 5988](https://tools.ietf.org/html/rfc5988).
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This package was originally based on <https://github.com/swhite24/link>, but **Parse** takes a `string` instead of `*http.Request` in this version.
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It also has the convenience functions **ParseHeader**, **ParseRequest** and **ParseResponse**.
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## Installation
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go get -u github.com/peterhellberg/link
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## Exported functions
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- [Parse(s string) Group](https://godoc.org/github.com/peterhellberg/link#Parse)
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- [ParseHeader(h http.Header) Group](https://godoc.org/github.com/peterhellberg/link#ParseHeader)
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- [ParseRequest(req \*http.Request) Group](https://godoc.org/github.com/peterhellberg/link#ParseRequest)
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- [ParseResponse(resp \*http.Response) Group](https://godoc.org/github.com/peterhellberg/link#ParseResponse)
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## Usage
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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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"net/http"
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"github.com/peterhellberg/link"
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)
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func main() {
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for _, l := range link.Parse(`<https://example.com/?page=2>; rel="next"; foo="bar"`) {
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fmt.Printf("URI: %q, Rel: %q, Extra: %+v\n", l.URI, l.Rel, l.Extra)
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// URI: "https://example.com/?page=2", Rel: "next", Extra: map[foo:bar]
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}
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if resp, err := http.Get("https://api.github.com/search/code?q=Println+user:golang"); err == nil {
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for _, l := range link.ParseResponse(resp) {
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fmt.Printf("URI: %q, Rel: %q, Extra: %+v\n", l.URI, l.Rel, l.Extra)
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// URI: "https://api.github.com/search/code?q=Println+user%3Agolang&page=2", Rel: "next", Extra: map[]
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// URI: "https://api.github.com/search/code?q=Println+user%3Agolang&page=34", Rel: "last", Extra: map[]
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}
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}
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}
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```
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## Not supported
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- Extended notation ([RFC 5987](https://tools.ietf.org/html/rfc5987))
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## Alternatives to this package
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- [github.com/tent/http-link-go](https://github.com/tent/http-link-go)
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- [github.com/swhite24/link](https://github.com/swhite24/link)
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## License (MIT)
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Copyright (c) 2015-2016 [Peter Hellberg](http://c7.se/)
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> Permission is hereby granted, free of charge, to any person obtaining
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> a copy of this software and associated documentation files (the
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> "Software"), to deal in the Software without restriction, including
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> without limitation the rights to use, copy, modify, merge, publish,
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> distribute, sublicense, and/or sell copies of the Software, and to
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> permit persons to whom the Software is furnished to do so, subject to
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> the following conditions:
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> The above copyright notice and this permission notice shall be
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> included in all copies or substantial portions of the Software.
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> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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> LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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> OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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