How to use JSON with ptypes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #include <ptypes.h>#include <pstreams.h>USING_PTYPES;// Well...this is hacky...#define MULTILINE(...) #__VA_ARGS__#define TPARR_CAST(V) (tparray*)(pt::component*) Vint main() { string json = MULTILINE( {"menu": { "id": "file", "value": "File", "popup": { "menuitem": [ {"value": "New", "onclick": "CreateNewDoc()"}, {"value": "Open", "onclick": "OpenDoc()"}, {"value": "Close", "onclick": "CloseDoc()"} ] }}} ); pt::json j; variant data = j.JsonDecode(json); variant val, key; tparray* menu = TPARR_CAST(get(*(TPARR_CAST(data)), "menu")); pout.put(get(*menu, "id")); pout.put("\n"); for(int i = 0; pt::anext(pt::at(*(TPARR_CAST(data)), 0), i, val, key);) { if (isstring(val)) { pout.put("\n"); pout.put(key); pout.put(" => "); pout.put(val); } } pout.put("\n");} |
Output:
file
id => file
value => File