Method ReplaceWithNull

CJsonObject.cpp:2168–2214

}

bool CJsonObject::ReplaceWithNull(const std::string& strKey)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData == NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        pFocusData = m_pJsonData;
    }
    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Object)
    {
        m_strErrMsg = "not a json object! json array?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateNull();
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<std::string, CJsonObject*>::iterator iter = m_mapJsonObjectRef.find(strKey);
#else
    auto iter = m_mapJsonObjectRef.find(strKey);
#endif
    if (iter != m_mapJsonObjectRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonObjectRef.erase(iter);
    }
    cJSON_ReplaceItemInObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    return(true);
}

int CJsonObject::GetArraySize()
{