googp

googp is an OGP (Open Graph protocol) parser library for Golang.

Overviews

• 💯　Fully compliant with the reference
• 🔧　Highly customizable
  • Available your own structs
  • Available parsing your own OG Tags.
• 🙌　Supports type conversion
  • Supports all types that implement encoding.TextUnmarshaler.

Installation

To install it, run:

go get -u github.com/soranoba/googp

Usage

import (
    "fmt"
    "github.com/soranoba/googp"
)

type Music struct {
}

type CustomOGP struct {
    Title       string   `googp:"og:title"`
    Description string   `googp:"-"`        // ignored
    images      []string                    // private field (ignored)
    Videos      []string `googp:"og:video,og:video:url"`
    Musics      Music    `googp:"music"`    // object type
}

func main() {
    var ogp1 googp.OGP
    if err := googp.Fetch("https://soranoba.net", &ogp1); err != nil {
        return
    }
    fmt.Println(ogp1)

    var ogp2 CustomOGP
    if err := googp.Fetch("https://soranoba.net", &ogp2); err != nil {
        return
    }
    fmt.Println(ogp2)
}

Object Mappings

Structured Properties

type OGP struct {
    Image struct {
        URL       string `googp:"og:image,og:image:url"`
        SecureURL string `googp:"og:image:secure_url"`
    } `googp:"og:image"`
}

You may collect in a struct by specifying the root tag.
In case of specifying og:image, googp collect values which property is og:image:*.

Arrays

type OGP struct {
    Image []string `googp:"og:image"`
}

googp collects values which the same properties.

Object Types

In googp, it same as Structured Properties.
You may define your own type yourself.