Adam D. Ruppe wrote:
>Oh, wait a minute, you were doing from json, not to json.
>
>Try this on for size. It converts from a std.json.JSONValue
>to a std.variant.Varaint, which is quite a bit simpler to use.
>
>======
>
>import std.variant;
>import std.json;
>
>Variant jsonToVariant(string json) {
> auto decoded = parseJSON(json);
> return jsonValueToVariant(decoded);
>}
>
>Variant jsonValueToVariant(JSONValue v) {
> Variant ret;
>
> final switch(v.type) {
> case JSON_TYPE.STRING:
> ret = v.str;
> break;
> case JSON_TYPE.INTEGER:
> ret = v.integer;
> break;
> case JSON_TYPE.FLOAT:
> ret = v.floating;
> break;
> case JSON_TYPE.OBJECT:
> Variant[string] obj;
> foreach(k, val; v.object) {
> obj[k] = jsonValueToVariant(val);
> }
>
> ret = obj;
> break;
> case JSON_TYPE.ARRAY:
> Variant[] arr;
> foreach(i; v.array) {
> arr ~= jsonValueToVariant(i);
> }
>
> ret = arr;
> break;
> case JSON_TYPE.TRUE:
> ret = true;
> break;
> case JSON_TYPE.FALSE:
> ret = false;
> break;
> case JSON_TYPE.NULL:
> ret = null;
> break;
> }
>
> return ret;
>}
>
>======
Thanks, that looks great!
Can't test it right now, but it seems this even works recursively?
Awesome!
--
Johannes Pfau
