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(Unicode C) Iterate JSON where Member Names are Data ValuesDemonstrates how to parse JSON where member names are not keywords, but instead are data values.
#include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkJsonObjectW json; BOOL success; int numMembers; int i; const wchar_t *name; HCkJsonObjectW jRecord; json = CkJsonObjectW_Create(); success = CkJsonObjectW_LoadFile(json,L"qa_data/json/valuesAsNames.json"); // Imagine we have JSON such as the following: // { // "1680": { // "entity_id": "1680", // "type_id": "simple", // "sku": "123" // }, // "1701": { // "entity_id": "1701", // "type_id": "simple", // "sku": "456" // } // } // // This presents a parsing problem because the member names, such as "1680" // are not keywords. Instead they are data values. We don't know what they // may be in advance. // To solve, we iterate over the members, get the name of each, ... numMembers = CkJsonObjectW_getSize(json); for (i = 0; i <= numMembers - 1; i++) { name = CkJsonObjectW_nameAt(json,i); wprintf(L"%s:\n",name); jRecord = CkJsonObjectW_ObjectAt(json,i); wprintf(L"entity_id: %s\n",CkJsonObjectW_stringOf(jRecord,L"entity_id")); wprintf(L"type_id: %s\n",CkJsonObjectW_stringOf(jRecord,L"type_id")); wprintf(L"sku: %s\n",CkJsonObjectW_stringOf(jRecord,L"sku")); CkJsonObjectW_Dispose(jRecord); } CkJsonObjectW_Dispose(json); } |
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