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Date: Wed, 23 Sep 2009 20:45:25 +0200
From: Paolo Bonzini <bonzini@gnu.org>
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Subject: Re: [Qemu-devel] Re: ANN: QEMU Monitor Protocol git tree
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To: Jamie Lokier <jamie@shareable.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>, Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org

On 09/23/2009 08:36 PM, Jamie Lokier wrote:
> Anthony Liguori wrote:
>> The main advantage of not relying on whitespace terminated messages is
>> that it gives us the ability to pretty print the protocol on the wire.
>> For instance, I'd rather read:
>>
>> { "execute": "info",
>>    "id" : "32",
>>    "arguments": ["cpus"]}
>
> I agree.  It's not even expensive.
>
> It's still useful for parsers to easily find the end before parsing.
>
> So declare the JSON terminator to be "}\n" or "}\r\n".  That shouldn't
> occur anywhere inside a pretty printed structure.  The internal
> closing braces are all followed by a comma.

To be picky, you could have dictionaries pretty printed as

   ...
   'key': {
     'key': {
       'key': {}
     }
   }
}

I think it's either no-delimiter or "\n" or "\r\n".

Paolo