jsonpath

JsonPath

A golang implementation of JsonPath syntax. follow the majority rules in http://goessner.net/articles/JsonPath/ but also with some minor differences.

this library is till bleeding edge, so use it at your own risk. :D

Golang Version Required: 1.5+

Get Started

go get github.com/oliveagle/jsonpath

example code:

import (
    "github.com/oliveagle/jsonpath"
    "encoding/json"
)

var json_data interface{}
json.Unmarshal([]byte(data), &json_data)

res, err := jsonpath.JsonPathLookup(json_data, "$.expensive")

//or reuse lookup pattern
pat, _ := jsonpath.Compile(`$.store.book[?(@.price < $.expensive)].price`)
res, err := pat.Lookup(json_data)

Operators

referenced from github.com/jayway/JsonPath

Examples

given these example data.

{
    "store": {
        "book": [
            {
                "category": "reference",
                "author": "Nigel Rees",
                "title": "Sayings of the Century",
                "price": 8.95
            },
            {
                "category": "fiction",
                "author": "Evelyn Waugh",
                "title": "Sword of Honour",
                "price": 12.99
            },
            {
                "category": "fiction",
                "author": "Herman Melville",
                "title": "Moby Dick",
                "isbn": "0-553-21311-3",
                "price": 8.99
            },
            {
                "category": "fiction",
                "author": "J. R. R. Tolkien",
                "title": "The Lord of the Rings",
                "isbn": "0-395-19395-8",
                "price": 22.99
            }
        ],
        "bicycle": {
            "color": "red",
            "price": 19.95
        }
    },
    "expensive": 10
}

example json path syntax.

Note: golang support regular expression flags in form of (?imsU)pattern