CODEWITHSUNDEEP
jsonstringgoescaping
Jake Muller
Jake Muller

Reputation: 1063

Parse escaped json string in Golang

Say I have this json string:

{\"A\":\"a\",\"B\":\"b\",\"C\":\"c\",\"D\":2,\"E\":\"e\"}

I want to convert above string into struct:

{
  A string
  B string
  C string
  D int
  E string
}

Im not sure how to do that as I have do the quote and unquote but seems no success yet.

Upvotes: 3

Views: 6887

Answers (3)

Gopher
Gopher

Reputation: 751

You can make use of Unquote method of strconv as suggested by mfathirirhas, I have created a small code depicting you scenario as follows:

package main

import (
    "encoding/json"
    "fmt"
    "strconv"
)

type response struct {
    A string
    B string
    C string
    D int
    E string
}

func main() {

    str := (`"{\"A\":\"a\",\"B\":\"b\",\"C\":\"c\",\"D\":2,\"E\":\"e\"}"`)
    fmt.Printf(str)
    s, err := strconv.Unquote(str)
    fmt.Println()
    fmt.Println(s, err)
    var resp response
    if err := json.Unmarshal([]byte(s), &resp); err != nil {
        panic(err)
    }
    fmt.Println(resp)

}

Output:

"{\"A\":\"a\",\"B\":\"b\",\"C\":\"c\",\"D\":2,\"E\":\"e\"}"
{"A":"a","B":"b","C":"c","D":2,"E":"e"} <nil>
{a b c 2 e}

Upvotes: 1

mfathirirhas
mfathirirhas

Reputation: 2287

Wrap your incoming string before unquoting it like this:

s,err := strconv.Unquote(`"`+yourstring+`"`)

Then you can proceed with unmarshalling it.

Upvotes: 7

Burak Serdar
Burak Serdar

Reputation: 51467

Somewhat of a hack, but the input string is how it would be encoded if it was in a JSON object, so you can do this:

x:=json.RawMessage(`"{\"A\":\"a\",\"B\":\"b\",\"C\":\"c\",\"D\":2,\"E\":\"e\"}"`)
var v string
err:=json.Unmarshal(x,&v)
var x MyStruct
json.Unmarshal([]byte(v),&x)

Upvotes: 2

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