Re: [Cppcms-users] Is there any way to get a list of key values from a JSON object?

[doug l. <bi...@gm...>]

That did the trick, thankyou very much!

On 10 May 2012 19:05, kpeo <sla...@ya...> wrote:

> Hello,
>
> As explained in message before, use iterators over json object:
>
>         cppcms::json::object
> ob=settings().get<cppcms::json::object>("imageservice.types");
>
>         for(cppcms::json::object::const_iterator
> p=ob.begin();p!=ob.end();++p) {
>                 if(p->second.type() == cppcms::json::is_object){
>                         std::cout << "key [" << p->first << "]: " <<
> p->second << std::endl;
>                 }
>         }
>
> Full code (for *nix) attached, compile: "g++ -lcppcms main.cpp -o test"
>
> Also, for some detail, see article:
>
> http://cppcms.com/wikipp/en/page/cppcms_1x_json
>
> 10.05.2012, 20:58, "doug livesey" <bi...@gm...>:
>
> Hi -- if I had this json object:
> {
>   "service": {
>     "api": "http",
>     "port": 3001
>   },
>   "http": {
>     "script_names": [ "/imageservice" ]
>   },
>   "imageservice": {
>     "secret": "sup3rs3cr3t",
>     "storage": "tmp",
>     "types": {
>       "test-type-1": {
>         "on_save": [ ".JPEG" ],
>         "versions": {
>           "big": [ "300x1000>" ],
>           "thumb": [ "75x75#" ],
>           "thumb-png": [ "75x75#", ".PNG" ]
>         }
>       },
>       "test-type-2": {
>         "on_save": [ "600x150!" ],
>         "versions": {
>           "gallery-jpeg": [ "50%", ".JPEG" ],
>           "gallery-png": [ "50%", ".PNG" ]
>         }
>       }
>     }
>   }
> }
> Would it be possible for me to query the JSON value object to find out
> that there are two "type" values in the "imageservice" bit, and that those
> types had keys of "test-type-1" and "test-type-2"?
> I've been trying & failing to achieve this.
> Thanks for any & all help,
>    Doug.
>
>
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> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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