webmcp
view framework/env/request/get_json_request_slots.lua @ 132:3cafdf1143f3
Bugfix in json.type(...) function: Return nil if path is nonexistent, but return string "nil" if only last element is nil
| author | jbe |
|---|---|
| date | Sun Jul 27 22:02:37 2014 +0200 (2014-07-27) |
| parents | 605488fbf809 |
| children |
line source
1 --[[--
2 slot_idents = -- list of names of slots to be returned as JSON data
3 request.get_json_request_slots()
5 If the current request is no JSON request, this function returns nil, otherwise a list of names of all slots to be returned in JSON format. This function also throws an error, if JSON data was requested, but request.set_allowed_json_request_slots(...) has not been called.
7 --]]--
9 function request.get_json_request_slots(slot_idents)
10 if not cgi then return end
11 local slot_idents = cgi.params["_webmcp_json_slots[]"]
12 if slot_idents and not request._json_requests_allowed then
13 error("JSON requests have not been allowed using request.set_allowed_json_request_slots(...).")
14 end
15 return slot_idents
16 end