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(Unicode C) JSON Iterate MembersDemonstrates how to loop over the immediate members of a JSON object.
#include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkJsonObjectW json; const wchar_t *jsonStr; BOOL success; int numMembers; int i; const wchar_t *name; const wchar_t *value; int iValue; json = CkJsonObjectW_Create(); jsonStr = L"{ \"id\": 1, \"name\": \"A green door\", \"tags\": [\"home\", \"green\"], \"price\": 125 }"; success = CkJsonObjectW_Load(json,jsonStr); if (success != TRUE) { wprintf(L"%s\n",CkJsonObjectW_lastErrorText(json)); CkJsonObjectW_Dispose(json); return; } numMembers = CkJsonObjectW_getSize(json); for (i = 0; i <= numMembers - 1; i++) { name = CkJsonObjectW_nameAt(json,i); value = CkJsonObjectW_stringAt(json,i); wprintf(L"%s: %s\n",name,value); iValue = CkJsonObjectW_IntAt(json,i); wprintf(L"%s as integer: %d\n",name,iValue); } // Note: The StringAt method returns the value as a string regardless of the type. // If the value is a JSON array (such as for ["home", "green"]), then the JSON encoding // of the entire array is returned. // The IntAt method returns the value as an integer. If the value does not convert to // an integer, then 0 is returned CkJsonObjectW_Dispose(json); } |
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