json_util.h File Reference

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Macros
#define	GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, name, type, jtype, mandatory, def)

Macro Definition Documentation

GET_FIELD_FROM_JSON_RETURN_ON_ERROR

#define GET_FIELD_FROM_JSON_RETURN_ON_ERROR	(		json,
			name,
			type,
			jtype,
			mandatory,
			def
	)

Value:

type field_##name = def; \
  bool field_##name##_found = false; \
  (void)field_##name##_found; \
  do if (json.HasMember(#name)) \
  { \
    if (json[#name].Is##jtype()) \
    { \
      field_##name = json[#name].Get##jtype(); \
      field_##name##_found = true; \
    } \
    else \
    { \
      LOG_ERROR("Field " << #name << " found in JSON, but not " << #jtype); \
      return false; \
    } \
  } \
  else if (mandatory) \
  { \
    LOG_ERROR("Field " << #name << " not found in JSON"); \
    return false; \
  } while(0)