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From: Anton Shepelev <anton.txt@g{oogle}mail.com>
Newsgroups: comp.lang.c
Subject: Re: Which newsgroup for json parsing?
Date: Wed, 8 May 2024 16:21:46 +0300
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Josef Mollers:

> I am trying to parse a json string received through MQTT
> from a "Shelly Plug S", e.g.
>
> {"id":0,
>  "source" : "button",
>  "output" : true,
>  "apower" : 0.0,
>  "voltage": 237.9,
>  "current": 0.000,
>  "aenergy":{
>   "total"    : 0.000,
>   "by_minute": [0.000,0.000,0.000],
>   "minute_ts": 1715172119},
>  "temperature":{
>   "tC": 41.1,
>   "tF": 106.0}}

I have reformatted your example, because it was a mess.
JSON is so easy to parse, that writing your own parser may
prove an interesting exercise for a couple of days.  I used
the following site for reference:

  <https://www.json.org/json-en.html>

> I am trying to use libjson-glib but I can't figure out
> what to use as the first argument to
> json_gobject_from_data()!

Have you checked the documentation?--

  <https://gnome.pages.gitlab.gnome.org/json-glib/func.gobject_from_data.html>

Additionally, the WIKI page has some examples:

  <https://wiki.gnome.org/Projects/JsonGlib>

> I am also looking at libjson-c but cannot find any
> examples that could guide me.

Have you checked the documentation?--

  <http://json-c.github.io/json-c/json-c-current-release/doc/html/index.html#using>

Observe that examples are optional in that they illustrate
documentation rather then provide it.  It is better to learn
from first principles than from examples.  See also:

  <http://json-c.github.io/json-c/json-c-current-release/doc/html/index.html#gettinghelp>

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