头文件：

/*******************************************************************************
 * Project:  neb
 * @file     CJsonObject.hpp
 * @brief    Json
 * @author   bwarliao
 * @date:    2014-7-16
 * @note
 * Modify history:
 ******************************************************************************/

#ifndef CJSONOBJECT_HPP_
#define CJSONOBJECT_HPP_

#include <stdio.h>
#include <stddef.h>
#include <errno.h>
#include <malloc.h>
#include <limits.h>
#include <math.h>
#include <string>
#include <list>
#if __cplusplus < 201101L
#include <map>
#else
#include <unordered_map>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include "cJSON.h"
#ifdef __cplusplus
}
#endif


namespace neb
{

class CJsonObject
{
public:     // method of ordinary json object or json array
    CJsonObject();
    CJsonObject(const std::string& strJson);
    CJsonObject(const CJsonObject* pJsonObject);
    CJsonObject(const CJsonObject& oJsonObject);
#if __cplusplus >= 201101L
    CJsonObject(CJsonObject&& oJsonObject);
#endif
    virtual ~CJsonObject();

    CJsonObject& operator=(const CJsonObject& oJsonObject);
#if __cplusplus >= 201101L
    CJsonObject& operator=(CJsonObject&& oJsonObject);
#endif
    bool operator==(const CJsonObject& oJsonObject) const;
    bool Parse(const std::string& strJson);
    void Clear();
    bool IsEmpty() const;
    bool IsArray() const;
    std::string ToString() const;
    std::string ToFormattedString() const;
    const std::string& GetErrMsg() const
    {
        return(m_strErrMsg);
    }

public:     // method of ordinary json object
    bool AddEmptySubObject(const std::string& strKey);
    bool AddEmptySubArray(const std::string& strKey);
    bool GetKey(std::string& strKey);
    void ResetTraversing();
    CJsonObject& operator[](const std::string& strKey);
    std::string operator()(const std::string& strKey) const;
    bool KeyExist(const std::string& strKey) const;
    bool Get(const std::string& strKey, CJsonObject& oJsonObject) const;
    bool Get(const std::string& strKey, std::string& strValue) const;
    bool Get(const std::string& strKey, int32& iValue) const;
    bool Get(const std::string& strKey, uint32& uiValue) const;
    bool Get(const std::string& strKey, int64& llValue) const;
    bool Get(const std::string& strKey, uint64& ullValue) const;
    bool Get(const std::string& strKey, bool& bValue) const;
    bool Get(const std::string& strKey, float& fValue) const;
    bool Get(const std::string& strKey, double& dValue) const;
    int GetValueType(const std::string& strKey) const;
    bool IsNull(const std::string& strKey) const;
    bool Add(const std::string& strKey, const CJsonObject& oJsonObject);
#if __cplusplus < 201101L
    bool AddWithMove(const std::string& strKey, CJsonObject& oJsonObject);
#else
    bool Add(const std::string& strKey, CJsonObject&& oJsonObject);
#endif
    bool Add(const std::string& strKey, const std::string& strValue);
    bool Add(const std::string& strKey, int32 iValue);
    bool Add(const std::string& strKey, uint32 uiValue);
    bool Add(const std::string& strKey, int64 llValue);
    bool Add(const std::string& strKey, uint64 ullValue);
    bool Add(const std::string& strKey, bool bValue, bool bValueAgain);
    bool Add(const std::string& strKey, float fValue);
    bool Add(const std::string& strKey, double dValue);
    bool AddNull(const std::string& strKey);    // add null like this:   "key":null
    bool Delete(const std::string& strKey);
    bool Replace(const std::string& strKey, const CJsonObject& oJsonObject);
#if __cplusplus < 201101L
    bool ReplaceWithMove(const std::string& strKey, CJsonObject& oJsonObject);
#else
    bool Replace(const std::string& strKey, CJsonObject&& oJsonObject);
#endif
    bool Replace(const std::string& strKey, const std::string& strValue);
    bool Replace(const std::string& strKey, int32 iValue);
    bool Replace(const std::string& strKey, uint32 uiValue);
    bool Replace(const std::string& strKey, int64 llValue);
    bool Replace(const std::string& strKey, uint64 ullValue);
    bool Replace(const std::string& strKey, bool bValue, bool bValueAgain);
    bool Replace(const std::string& strKey, float fValue);
    bool Replace(const std::string& strKey, double dValue);
    bool ReplaceWithNull(const std::string& strKey);    // replace value with null
#if __cplusplus < 201101L
    bool ReplaceAdd(const std::string& strKey, const CJsonObject& oJsonObject);
    bool ReplaceAdd(const std::string& strKey, const std::string& strValue);
    template <typename T>
    bool ReplaceAdd(const std::string& strKey, T value) 
    {
        if (KeyExist(strKey))
        {
            return(Replace(strKey, value));
        }
        return(Add(strKey, value));
    }
#else
    template <typename T>
    bool ReplaceAdd(const std::string& strKey, T&& value)
    {
        if (KeyExist(strKey))
        {
            return(Replace(strKey, std::forward<T>(value)));
        }
        return(Add(strKey, std::forward<T>(value)));
    }
#endif

public:     // method of json array
    int GetArraySize() const;
    CJsonObject& operator[](unsigned int uiWhich);
    std::string operator()(unsigned int uiWhich) const;
    bool Get(int iWhich, CJsonObject& oJsonObject) const;
    bool Get(int iWhich, std::string& strValue) const;
    bool Get(int iWhich, int32& iValue) const;
    bool Get(int iWhich, uint32& uiValue) const;
    bool Get(int iWhich, int64& llValue) const;
    bool Get(int iWhich, uint64& ullValue) const;
    bool Get(int iWhich, bool& bValue) const;
    bool Get(int iWhich, float& fValue) const;
    bool Get(int iWhich, double& dValue) const;
    int GetValueType(int iWhich) const;
    bool IsNull(int iWhich) const;
    bool Add(const CJsonObject& oJsonObject);
#if __cplusplus < 201101L
    bool AddWithMove(CJsonObject& oJsonObject);
#else
    bool Add(CJsonObject&& oJsonObject);
#endif
    bool Add(const std::string& strValue);
    bool Add(int32 iValue);
    bool Add(uint32 uiValue);
    bool Add(int64 llValue);
    bool Add(uint64 ullValue);
    bool Add(int iAnywhere, bool bValue);
    bool Add(float fValue);
    bool Add(double dValue);
    bool AddNull();   // add a null value
    bool AddAsFirst(const CJsonObject& oJsonObject);
#if __cplusplus < 201101L
    bool AddAsFirstWithMove(CJsonObject& oJsonObject);
#else
    bool AddAsFirst(CJsonObject&& oJsonObject);
#endif
    bool AddAsFirst(const std::string& strValue);
    bool AddAsFirst(int32 iValue);
    bool AddAsFirst(uint32 uiValue);
    bool AddAsFirst(int64 llValue);
    bool AddAsFirst(uint64 ullValue);
    bool AddAsFirst(int iAnywhere, bool bValue);
    bool AddAsFirst(float fValue);
    bool AddAsFirst(double dValue);
    bool AddNullAsFirst();     // add a null value
    bool Delete(int iWhich);
    bool Replace(int iWhich, const CJsonObject& oJsonObject);
#if __cplusplus < 201101L
    bool ReplaceWithMove(int iWhich, CJsonObject& oJsonObject);
#else
    bool Replace(int iWhich, CJsonObject&& oJsonObject);
#endif
    bool Replace(int iWhich, const std::string& strValue);
    bool Replace(int iWhich, int32 iValue);
    bool Replace(int iWhich, uint32 uiValue);
    bool Replace(int iWhich, int64 llValue);
    bool Replace(int iWhich, uint64 ullValue);
    bool Replace(int iWhich, bool bValue, bool bValueAgain);
    bool Replace(int iWhich, float fValue);
    bool Replace(int iWhich, double dValue);
    bool ReplaceWithNull(int iWhich);      // replace with a null value

private:
    CJsonObject(cJSON* pJsonData);

private:
    cJSON* m_pJsonData;
    cJSON* m_pExternJsonDataRef;
    cJSON* m_pKeyTravers;
    const char* mc_pError;
    std::string m_strErrMsg;
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*> m_mapJsonArrayRef;
    std::map<unsigned int, CJsonObject*>::iterator m_array_iter;
    std::map<std::string, CJsonObject*> m_mapJsonObjectRef;
    std::map<std::string, CJsonObject*>::iterator m_object_iter;
#else
    std::unordered_map<unsigned int, CJsonObject*> m_mapJsonArrayRef;
    std::unordered_map<std::string, CJsonObject*>::iterator m_object_iter;
    std::unordered_map<std::string, CJsonObject*> m_mapJsonObjectRef;
    std::unordered_map<unsigned int, CJsonObject*>::iterator m_array_iter;
#endif
};

}

#endif /* CJSONHELPER_HPP_ */

源文件：

/*******************************************************************************
 * Project:  neb
 * @file     CJsonObject.cpp
 * @brief 
 * @author   bwarliao
 * @date:    2014-7-16
 * @note
 * Modify history:
 ******************************************************************************/

#include "CJsonObject.hpp"

#ifdef _WIN32
#define snprintf _snprintf_s
#endif

namespace neb
{

CJsonObject::CJsonObject()
    : m_pJsonData(NULL), m_pExternJsonDataRef(NULL), m_pKeyTravers(NULL)
{
    // m_pJsonData = cJSON_CreateObject();  
    m_array_iter = m_mapJsonArrayRef.end();
    m_object_iter = m_mapJsonObjectRef.end();
}

CJsonObject::CJsonObject(const std::string& strJson)
    : m_pJsonData(NULL), m_pExternJsonDataRef(NULL), m_pKeyTravers(NULL)
{
    m_array_iter = m_mapJsonArrayRef.end();
    m_object_iter = m_mapJsonObjectRef.end();
    Parse(strJson);
}

CJsonObject::CJsonObject(const CJsonObject* pJsonObject)
    : m_pJsonData(NULL), m_pExternJsonDataRef(NULL), m_pKeyTravers(NULL)
{
    if (pJsonObject)
    {
        m_array_iter = m_mapJsonArrayRef.end();
        m_object_iter = m_mapJsonObjectRef.end();
        Parse(pJsonObject->ToString());
    }
}

CJsonObject::CJsonObject(const CJsonObject& oJsonObject)
    : m_pJsonData(NULL), m_pExternJsonDataRef(NULL), m_pKeyTravers(NULL)
{
    m_array_iter = m_mapJsonArrayRef.end();
    m_object_iter = m_mapJsonObjectRef.end();
    Parse(oJsonObject.ToString());
}

#if __cplusplus >= 201101L
CJsonObject::CJsonObject(CJsonObject&& oJsonObject)
    : m_pJsonData(oJsonObject.m_pJsonData),
      m_pExternJsonDataRef(oJsonObject.m_pExternJsonDataRef),
      m_pKeyTravers(oJsonObject.m_pKeyTravers),
      mc_pError(oJsonObject.mc_pError)
{
    oJsonObject.m_pJsonData = NULL;
    oJsonObject.m_pExternJsonDataRef = NULL;
    oJsonObject.m_pKeyTravers = NULL;
    oJsonObject.mc_pError = NULL;
    m_strErrMsg = std::move(oJsonObject.m_strErrMsg);
    m_mapJsonArrayRef = std::move(oJsonObject.m_mapJsonArrayRef);
    m_mapJsonObjectRef = std::move(oJsonObject.m_mapJsonObjectRef);
    m_array_iter = m_mapJsonArrayRef.end();
    m_object_iter = m_mapJsonObjectRef.end();
}
#endif

CJsonObject::~CJsonObject()
{
    Clear();
}

CJsonObject& CJsonObject::operator=(const CJsonObject& oJsonObject)
{
    Parse(oJsonObject.ToString().c_str());
    return(*this);
}

#if __cplusplus >= 201101L
CJsonObject& CJsonObject::operator=(CJsonObject&& oJsonObject)
{
    m_pJsonData = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    m_pExternJsonDataRef = oJsonObject.m_pExternJsonDataRef;
    oJsonObject.m_pExternJsonDataRef = NULL;
    m_pKeyTravers = oJsonObject.m_pKeyTravers;
    oJsonObject.m_pKeyTravers = NULL;
    mc_pError = oJsonObject.mc_pError;
    oJsonObject.mc_pError = NULL;
    m_strErrMsg = std::move(oJsonObject.m_strErrMsg);
    m_mapJsonArrayRef = std::move(oJsonObject.m_mapJsonArrayRef);
    m_mapJsonObjectRef = std::move(oJsonObject.m_mapJsonObjectRef);
    m_array_iter = m_mapJsonArrayRef.end();
    m_object_iter = m_mapJsonObjectRef.end();
    return(*this);
}
#endif

bool CJsonObject::operator==(const CJsonObject& oJsonObject) const
{
    return(this->ToString() == oJsonObject.ToString());
}

bool CJsonObject::AddEmptySubObject(const std::string& strKey)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateObject();
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("create sub empty object error!");
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::AddEmptySubArray(const std::string& strKey)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateArray();
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("create sub empty array error!");
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::GetKey(std::string& strKey)
{
    if (IsArray())
    {
        return(false);
    }
    if (m_pKeyTravers == NULL)
    {
        if (m_pJsonData != NULL)
        {
            m_pKeyTravers = m_pJsonData;
        }
        else if (m_pExternJsonDataRef != NULL)
        {
            m_pKeyTravers = m_pExternJsonDataRef;
        }
        return(false);
    }
    else if (m_pKeyTravers == m_pJsonData || m_pKeyTravers == m_pExternJsonDataRef)
    {
        cJSON *c = m_pKeyTravers->child;
        if (c)
        {
            strKey = c->string;
            m_pKeyTravers = c->next;
            return(true);
        }
        else
        {
            return(false);
        }
    }
    else
    {
        strKey = m_pKeyTravers->string;
        m_pKeyTravers = m_pKeyTravers->next;
        return(true);
    }
}

void CJsonObject::ResetTraversing()
{
    if (m_pJsonData != NULL)
    {
        m_pKeyTravers = m_pJsonData;
    }
    else
    {
        m_pKeyTravers = m_pExternJsonDataRef;
    }
}

CJsonObject& CJsonObject::operator[](const std::string& strKey)
{
#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())
    {
        cJSON* pJsonStruct = NULL;
        if (m_pJsonData != NULL)
        {
            if (m_pJsonData->type == cJSON_Object)
            {
                pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
            }
        }
        else if (m_pExternJsonDataRef != NULL)
        {
            if (m_pExternJsonDataRef->type == cJSON_Object)
            {
                pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
            }
        }
        if (pJsonStruct == NULL)
        {
            CJsonObject* pJsonObject = new CJsonObject();
            m_mapJsonObjectRef.insert(std::pair<std::string, CJsonObject*>(strKey, pJsonObject));
            return(*pJsonObject);
        }
        else
        {
            CJsonObject* pJsonObject = new CJsonObject(pJsonStruct);
            m_mapJsonObjectRef.insert(std::pair<std::string, CJsonObject*>(strKey, pJsonObject));
            return(*pJsonObject);
        }
    }
    else
    {
        return(*(iter->second));
    }
}

CJsonObject& CJsonObject::operator[](unsigned int uiWhich)
{
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(uiWhich);
#else
    auto iter = m_mapJsonArrayRef.find(uiWhich);
#endif
    if (iter == m_mapJsonArrayRef.end())
    {
        cJSON* pJsonStruct = NULL;
        if (m_pJsonData != NULL)
        {
            if (m_pJsonData->type == cJSON_Array)
            {
                pJsonStruct = cJSON_GetArrayItem(m_pJsonData, uiWhich);
            }
        }
        else if (m_pExternJsonDataRef != NULL)
        {
            if (m_pExternJsonDataRef->type == cJSON_Array)
            {
                pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, uiWhich);
            }
        }
        if (pJsonStruct == NULL)
        {
            CJsonObject* pJsonObject = new CJsonObject();
            m_mapJsonArrayRef.insert(std::pair<unsigned int, CJsonObject*>(uiWhich, pJsonObject));
            return(*pJsonObject);
        }
        else
        {
            CJsonObject* pJsonObject = new CJsonObject(pJsonStruct);
            m_mapJsonArrayRef.insert(std::pair<unsigned int, CJsonObject*>(uiWhich, pJsonObject));
            return(*pJsonObject);
        }
    }
    else
    {
        return(*(iter->second));
    }
}

std::string CJsonObject::operator()(const std::string& strKey) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(std::string(""));
    }
    if (pJsonStruct->type == cJSON_String)
    {
        return(pJsonStruct->valuestring);
    }
    else if (pJsonStruct->type == cJSON_Int)
    {
        char szNumber[128] = {0};
        if (pJsonStruct->sign == -1)
        {
            if (pJsonStruct->valueint <= (int64)INT_MAX && (int64)pJsonStruct->valueint >= (int64)INT_MIN)
            {
                snprintf(szNumber, sizeof(szNumber), "%d", (int32)pJsonStruct->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                snprintf(szNumber, sizeof(szNumber), "%ld", (int64)pJsonStruct->valueint);
#else
                snprintf(szNumber, sizeof(szNumber), "%lld", (int64)pJsonStruct->valueint);
#endif
            }
        }
        else
        {
            if ((uint64)pJsonStruct->valueint <= (uint64)UINT_MAX)
            {
                snprintf(szNumber, sizeof(szNumber), "%u", (uint32)pJsonStruct->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                snprintf(szNumber, sizeof(szNumber), "%lu", pJsonStruct->valueint);
#else
                snprintf(szNumber, sizeof(szNumber), "%llu", pJsonStruct->valueint);
#endif
            }
        }
        return(std::string(szNumber));
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        char szNumber[128] = {0};
        if (fabs(pJsonStruct->valuedouble) < 1.0e-6 || fabs(pJsonStruct->valuedouble) > 1.0e9)
        {
            snprintf(szNumber, sizeof(szNumber), "%e", pJsonStruct->valuedouble);
        }
        else
        {
            snprintf(szNumber, sizeof(szNumber), "%f", pJsonStruct->valuedouble);
        }
        return(std::string(szNumber));
    }
    else if (pJsonStruct->type == cJSON_False)
    {
        return(std::string("false"));
    }
    else if (pJsonStruct->type == cJSON_True)
    {
        return(std::string("true"));
    }
    return(std::string(""));
}

std::string CJsonObject::operator()(unsigned int uiWhich) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, uiWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, uiWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(std::string(""));
    }
    if (pJsonStruct->type == cJSON_String)
    {
        return(pJsonStruct->valuestring);
    }
    else if (pJsonStruct->type == cJSON_Int)
    {
        char szNumber[128] = {0};
        if (pJsonStruct->sign == -1)
        {
            if (pJsonStruct->valueint <= (int64)INT_MAX && (int64)pJsonStruct->valueint >= (int64)INT_MIN)
            {
                snprintf(szNumber, sizeof(szNumber), "%d", (int32)pJsonStruct->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                snprintf(szNumber, sizeof(szNumber), "%ld", (int64)pJsonStruct->valueint);
#else
                snprintf(szNumber, sizeof(szNumber), "%lld", (int64)pJsonStruct->valueint);
#endif
            }
        }
        else
        {
            if ((uint64)pJsonStruct->valueint <= (uint64)UINT_MAX)
            {
                snprintf(szNumber, sizeof(szNumber), "%u", (uint32)pJsonStruct->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                snprintf(szNumber, sizeof(szNumber), "%lu", pJsonStruct->valueint);
#else
                snprintf(szNumber, sizeof(szNumber), "%llu", pJsonStruct->valueint);
#endif
            }
        }
        return(std::string(szNumber));
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        char szNumber[128] = {0};
        if (fabs(pJsonStruct->valuedouble) < 1.0e-6 || fabs(pJsonStruct->valuedouble) > 1.0e9)
        {
            snprintf(szNumber, sizeof(szNumber), "%e", pJsonStruct->valuedouble);
        }
        else
        {
            snprintf(szNumber, sizeof(szNumber), "%f", pJsonStruct->valuedouble);
        }
        return(std::string(szNumber));
    }
    else if (pJsonStruct->type == cJSON_False)
    {
        return(std::string("false"));
    }
    else if (pJsonStruct->type == cJSON_True)
    {
        return(std::string("true"));
    }
    return(std::string(""));
}

bool CJsonObject::Parse(const std::string& strJson)
{
    Clear();
    m_pJsonData = cJSON_Parse(strJson.c_str(), &mc_pError);
    m_pKeyTravers = m_pJsonData;
    if (m_pJsonData == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    return(true);
}

void CJsonObject::Clear()
{
    m_pExternJsonDataRef = NULL;
    m_pKeyTravers = NULL;
    if (m_pJsonData != NULL)
    {
        cJSON_Delete(m_pJsonData);
        m_pJsonData = NULL;
    }
#if __cplusplus < 201101L
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin();
                    iter != m_mapJsonArrayRef.end(); ++iter)
#else
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); ++iter)
#endif
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
    }
    m_mapJsonArrayRef.clear();
    m_array_iter = m_mapJsonArrayRef.end();
#if __cplusplus < 201101L
    for (std::map<std::string, CJsonObject*>::iterator iter = m_mapJsonObjectRef.begin();
                    iter != m_mapJsonObjectRef.end(); ++iter)
#else
    for (auto iter = m_mapJsonObjectRef.begin(); iter != m_mapJsonObjectRef.end(); ++iter)
#endif
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
    }
    m_mapJsonObjectRef.clear();
    m_object_iter = m_mapJsonObjectRef.end();
}

bool CJsonObject::IsEmpty() const
{
    if (m_pJsonData != NULL)
    {
        return(false);
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::IsArray() const
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }

    if (pFocusData == NULL)
    {
        return(false);
    }

    if (pFocusData->type == cJSON_Array)
    {
        return(true);
    }
    else
    {
        return(false);
    }
}

std::string CJsonObject::ToString() const
{
    char* pJsonString = NULL;
    std::string strJsonData = "";
    if (m_pJsonData != NULL)
    {
        pJsonString = cJSON_PrintUnformatted(m_pJsonData);
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pJsonString = cJSON_PrintUnformatted(m_pExternJsonDataRef);
    }
    if (pJsonString != NULL)
    {
        strJsonData = pJsonString;
        free(pJsonString);
    }
    return(strJsonData);
}

std::string CJsonObject::ToFormattedString() const
{
    char* pJsonString = NULL;
    std::string strJsonData = "";
    if (m_pJsonData != NULL)
    {
        pJsonString = cJSON_Print(m_pJsonData);
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pJsonString = cJSON_Print(m_pExternJsonDataRef);
    }
    if (pJsonString != NULL)
    {
        strJsonData = pJsonString;
        free(pJsonString);
    }
    return(strJsonData);
}

bool CJsonObject::KeyExist(const std::string& strKey) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Get(const std::string& strKey, CJsonObject& oJsonObject) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    char* pJsonString = cJSON_Print(pJsonStruct);
    std::string strJsonData = pJsonString;
    free(pJsonString);
    if (oJsonObject.Parse(strJsonData))
    {
        return(true);
    }
    else
    {
        return(false);
    }
}

bool CJsonObject::Get(const std::string& strKey, std::string& strValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type != cJSON_String)
    {
        return(false);
    }
    strValue = pJsonStruct->valuestring;
    return(true);
}

bool CJsonObject::Get(const std::string& strKey, int32& iValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        iValue = (int32)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        iValue = (int32)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(const std::string& strKey, uint32& uiValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        uiValue = (uint32)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        uiValue = (uint32)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(const std::string& strKey, int64& llValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        llValue = (int64)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        llValue = (int64)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(const std::string& strKey, uint64& ullValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        ullValue = (uint64)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        ullValue = (uint64)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(const std::string& strKey, bool& bValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type > cJSON_True)
    {
        return(false);
    }
    bValue = pJsonStruct->type;
    return(true);
}

bool CJsonObject::Get(const std::string& strKey, float& fValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Double || pJsonStruct->type == cJSON_Int)
    {
        fValue = (float)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(const std::string& strKey, double& dValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Double || pJsonStruct->type == cJSON_Int)
    {
        dValue = pJsonStruct->valuedouble;
        return(true);
    }
    return(false);
}

int CJsonObject::GetValueType(const std::string& strKey) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    return(pJsonStruct->type);
}

bool CJsonObject::IsNull(const std::string& strKey) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pJsonData, strKey.c_str());
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Object)
        {
            pJsonStruct = cJSON_GetObjectItem(m_pExternJsonDataRef, strKey.c_str());
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type != cJSON_NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, const CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_Parse(oJsonObject.ToString().c_str(), &mc_pError) ;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == 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);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::AddWithMove(const std::string& strKey, CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    std::map<std::string, CJsonObject*>::iterator iter = m_mapJsonObjectRef.find(strKey);
    if (iter != m_mapJsonObjectRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonObjectRef.erase(iter);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}
#else
bool CJsonObject::Add(const std::string& strKey, CJsonObject&& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    auto iter = m_mapJsonObjectRef.find(strKey);
    if (iter != m_mapJsonObjectRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonObjectRef.erase(iter);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}
#endif

bool CJsonObject::Add(const std::string& strKey, const std::string& strValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateString(strValue.c_str());
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, int32 iValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)iValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, uint32 uiValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)uiValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, int64 llValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)llValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, uint64 ullValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt(ullValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, bool bValue, bool bValueAgain)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateBool(bValue);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, float fValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)fValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Add(const std::string& strKey, double dValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)dValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::ReplaceAdd(const std::string& strKey, const CJsonObject& oJsonObject)
{
    if (KeyExist(strKey))
    {
        return(Replace(strKey, oJsonObject));
    }
    return(Add(strKey, oJsonObject));
}

bool CJsonObject::ReplaceAdd(const std::string& strKey, const std::string& strValue)
{
    if (KeyExist(strKey))
    {
        return(Replace(strKey, strValue));
    }
    return(Add(strKey, strValue));
}
#endif

bool CJsonObject::AddNull(const std::string& strKey)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateObject();
        m_pKeyTravers = m_pJsonData;
        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);
    }
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) != NULL)
    {
        m_strErrMsg = "key exists!";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateNull();
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    cJSON_AddItemToObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Delete(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_DeleteItemFromObject(pFocusData, strKey.c_str());
#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);
    }
    m_pKeyTravers = pFocusData;
    return(true);
}

bool CJsonObject::Replace(const std::string& strKey, const CJsonObject& oJsonObject)
{
    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_Parse(oJsonObject.ToString().c_str(), &mc_pError);
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    cJSON_ReplaceItemInObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == 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);
    }
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::ReplaceWithMove(const std::string& strKey, CJsonObject& oJsonObject)
{
    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 = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_ReplaceItemInObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    std::map<std::string, CJsonObject*>::iterator iter = m_mapJsonObjectRef.find(strKey);
    if (iter != m_mapJsonObjectRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonObjectRef.erase(iter);
    }
    return(true);
}
#else
bool CJsonObject::Replace(const std::string& strKey, CJsonObject&& oJsonObject)
{
    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 = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_ReplaceItemInObject(pFocusData, strKey.c_str(), pJsonStruct);
    if (cJSON_GetObjectItem(pFocusData, strKey.c_str()) == NULL)
    {
        return(false);
    }
    auto iter = m_mapJsonObjectRef.find(strKey);
    if (iter != m_mapJsonObjectRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonObjectRef.erase(iter);
    }
    return(true);
}
#endif

bool CJsonObject::Replace(const std::string& strKey, const std::string& strValue)
{
    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_CreateString(strValue.c_str());
    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);
}

bool CJsonObject::Replace(const std::string& strKey, int32 iValue)
{
    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_CreateInt((uint64)iValue, -1);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, uint32 uiValue)
{
    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_CreateInt((uint64)uiValue, 1);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, int64 llValue)
{
    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_CreateInt((uint64)llValue, -1);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, uint64 ullValue)
{
    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_CreateInt((uint64)ullValue, 1);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, bool bValue, bool bValueAgain)
{
    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_CreateBool(bValue);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, float fValue)
{
    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_CreateDouble((double)fValue, -1);
    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);
}

bool CJsonObject::Replace(const std::string& strKey, double dValue)
{
    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_CreateDouble((double)dValue, -1);
    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);
}

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() const
{
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            return(cJSON_GetArraySize(m_pJsonData));
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            return(cJSON_GetArraySize(m_pExternJsonDataRef));
        }
    }
    return(0);
}

bool CJsonObject::Get(int iWhich, CJsonObject& oJsonObject) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    char* pJsonString = cJSON_Print(pJsonStruct);
    std::string strJsonData = pJsonString;
    free(pJsonString);
    if (oJsonObject.Parse(strJsonData))
    {
        return(true);
    }
    else
    {
        return(false);
    }
}

bool CJsonObject::Get(int iWhich, std::string& strValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type != cJSON_String)
    {
        return(false);
    }
    strValue = pJsonStruct->valuestring;
    return(true);
}

bool CJsonObject::Get(int iWhich, int32& iValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        iValue = (int32)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        iValue = (int32)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(int iWhich, uint32& uiValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        uiValue = (uint32)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        uiValue = (uint32)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(int iWhich, int64& llValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        llValue = (int64)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        llValue = (int64)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(int iWhich, uint64& ullValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Int)
    {
        ullValue = (uint64)(pJsonStruct->valueint);
        return(true);
    }
    else if (pJsonStruct->type == cJSON_Double)
    {
        ullValue = (uint64)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(int iWhich, bool& bValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type > cJSON_True)
    {
        return(false);
    }
    bValue = pJsonStruct->type;
    return(true);
}

bool CJsonObject::Get(int iWhich, float& fValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Double || pJsonStruct->type == cJSON_Int)
    {
        fValue = (float)(pJsonStruct->valuedouble);
        return(true);
    }
    return(false);
}

bool CJsonObject::Get(int iWhich, double& dValue) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type == cJSON_Double || pJsonStruct->type == cJSON_Int)
    {
        dValue = pJsonStruct->valuedouble;
        return(true);
    }
    return(false);
}

int CJsonObject::GetValueType(int iWhich) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    return(pJsonStruct->type);
}

bool CJsonObject::IsNull(int iWhich) const
{
    cJSON* pJsonStruct = NULL;
    if (m_pJsonData != NULL)
    {
        if (m_pJsonData->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pJsonData, iWhich);
        }
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        if(m_pExternJsonDataRef->type == cJSON_Array)
        {
            pJsonStruct = cJSON_GetArrayItem(m_pExternJsonDataRef, iWhich);
        }
    }
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    if (pJsonStruct->type != cJSON_NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(const CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_Parse(oJsonObject.ToString().c_str(), &mc_pError);
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    unsigned int uiLastIndex = (unsigned int)cJSON_GetArraySize(pFocusData) - 1;
#if __cplusplus < 201101L
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin();
                    iter != m_mapJsonArrayRef.end(); )
#else
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
#endif
    {
        if (iter->first >= uiLastIndex)
        {
            if (iter->second != NULL)
            {
                delete (iter->second);
                iter->second = NULL;
            }
            m_mapJsonArrayRef.erase(iter++);
        }
        else
        {
            iter++;
        }
    }
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::AddWithMove(CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    unsigned int uiLastIndex = (unsigned int)cJSON_GetArraySize(pFocusData) - 1;
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
    {
        if (iter->first >= uiLastIndex)
        {
            if (iter->second != NULL)
            {
                delete (iter->second);
                iter->second = NULL;
            }
            m_mapJsonArrayRef.erase(iter++);
        }
        else
        {
            iter++;
        }
    }
    return(true);
}
#else
bool CJsonObject::Add(CJsonObject&& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    unsigned int uiLastIndex = (unsigned int)cJSON_GetArraySize(pFocusData) - 1;
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
    {
        if (iter->first >= uiLastIndex)
        {
            if (iter->second != NULL)
            {
                delete (iter->second);
                iter->second = NULL;
            }
            m_mapJsonArrayRef.erase(iter++);
        }
        else
        {
            iter++;
        }
    }
    return(true);
}
#endif

bool CJsonObject::Add(const std::string& strValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateString(strValue.c_str());
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(int32 iValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)iValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(uint32 uiValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)uiValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(int64 llValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)llValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(uint64 ullValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)ullValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(int iAnywhere, bool bValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateBool(bValue);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(float fValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)fValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Add(double dValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)dValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddNull()
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateNull();
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArray(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(const CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_Parse(oJsonObject.ToString().c_str(), &mc_pError);
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
#if __cplusplus < 201101L
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin();
                    iter != m_mapJsonArrayRef.end(); )
#else
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
#endif
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter++);
    }
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::AddAsFirstWithMove(CJsonObject& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter++);
    }
    return(true);
}
#else
bool CJsonObject::AddAsFirst(CJsonObject&& oJsonObject)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter++);
    }
    return(true);
}
#endif

bool CJsonObject::AddAsFirst(const std::string& strValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateString(strValue.c_str());
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(int32 iValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)iValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(uint32 uiValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)uiValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(int64 llValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)llValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(uint64 ullValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)ullValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(int iAnywhere, bool bValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateBool(bValue);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(float fValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)fValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddAsFirst(double dValue)
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)dValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::AddNullAsFirst()
{
    cJSON* pFocusData = NULL;
    if (m_pJsonData != NULL)
    {
        pFocusData = m_pJsonData;
    }
    else if (m_pExternJsonDataRef != NULL)
    {
        pFocusData = m_pExternJsonDataRef;
    }
    else
    {
        m_pJsonData = cJSON_CreateArray();
        pFocusData = m_pJsonData;
    }

    if (pFocusData == NULL)
    {
        m_strErrMsg = "json data is null!";
        return(false);
    }
    if (pFocusData->type != cJSON_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateNull();
    if (pJsonStruct == NULL)
    {
        return(false);
    }
    int iArraySizeBeforeAdd = cJSON_GetArraySize(pFocusData);
    cJSON_AddItemToArrayHead(pFocusData, pJsonStruct);
    int iArraySizeAfterAdd = cJSON_GetArraySize(pFocusData);
    if (iArraySizeAfterAdd == iArraySizeBeforeAdd)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Delete(int iWhich)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON_DeleteItemFromArray(pFocusData, iWhich);
#if __cplusplus < 201101L
    for (std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.begin();
                    iter != m_mapJsonArrayRef.end(); )
#else
    for (auto iter = m_mapJsonArrayRef.begin(); iter != m_mapJsonArrayRef.end(); )
#endif
    {
        if (iter->first >= (unsigned int)iWhich)
        {
            if (iter->second != NULL)
            {
                delete (iter->second);
                iter->second = NULL;
            }
            m_mapJsonArrayRef.erase(iter++);
        }
        else
        {
            iter++;
        }
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, const CJsonObject& oJsonObject)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_Parse(oJsonObject.ToString().c_str(), &mc_pError);
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = std::string("prase json string error at ") + mc_pError;
        return(false);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    return(true);
}

#if __cplusplus < 201101L
bool CJsonObject::ReplaceWithMove(int iWhich, CJsonObject& oJsonObject)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    return(true);
}
#else
bool CJsonObject::Replace(int iWhich, CJsonObject&& oJsonObject)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = oJsonObject.m_pJsonData;
    oJsonObject.m_pJsonData = NULL;
    if (pJsonStruct == NULL)
    {
        m_strErrMsg = "can not move a non-independent(internal) CJsonObject from one to another.";
        return(false);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    auto iter = m_mapJsonArrayRef.find(iWhich);
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    return(true);
}
#endif

bool CJsonObject::Replace(int iWhich, const std::string& strValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateString(strValue.c_str());
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, int32 iValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)iValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, uint32 uiValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)uiValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, int64 llValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)((uint64)llValue), -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, uint64 ullValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateInt((uint64)ullValue, 1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, bool bValue, bool bValueAgain)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateBool(bValue);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, float fValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)fValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::Replace(int iWhich, double dValue)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateDouble((double)dValue, -1);
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

bool CJsonObject::ReplaceWithNull(int iWhich)
{
    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_Array)
    {
        m_strErrMsg = "not a json array! json object?";
        return(false);
    }
    cJSON* pJsonStruct = cJSON_CreateNull();
    if (pJsonStruct == NULL)
    {
        return(false);
    }
#if __cplusplus < 201101L
    std::map<unsigned int, CJsonObject*>::iterator iter = m_mapJsonArrayRef.find(iWhich);
#else
    auto iter = m_mapJsonArrayRef.find(iWhich);
#endif
    if (iter != m_mapJsonArrayRef.end())
    {
        if (iter->second != NULL)
        {
            delete (iter->second);
            iter->second = NULL;
        }
        m_mapJsonArrayRef.erase(iter);
    }
    cJSON_ReplaceItemInArray(pFocusData, iWhich, pJsonStruct);
    if (cJSON_GetArrayItem(pFocusData, iWhich) == NULL)
    {
        return(false);
    }
    return(true);
}

CJsonObject::CJsonObject(cJSON* pJsonData)
    : m_pJsonData(NULL), m_pExternJsonDataRef(pJsonData), m_pKeyTravers(pJsonData)
{
}

}

cjson.h

/*
 Copyright (c) 2009 Dave Gamble
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */

#ifndef cJSON__h
#define cJSON__h

#include <stdint.h>

typedef int32_t int32;
typedef uint32_t uint32;
typedef int64_t int64;
typedef uint64_t uint64;


#ifdef __cplusplus
extern "C"
{
#endif

/* cJSON Types: */
#define cJSON_False 0
#define cJSON_True 1
#define cJSON_NULL 2
#define cJSON_Int 3
#define cJSON_Double 4
#define cJSON_String 5
#define cJSON_Array 6
#define cJSON_Object 7

#define cJSON_IsReference 256

/* The cJSON structure: */
typedef struct cJSON
{
    struct cJSON *next, *prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
    struct cJSON *child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */

    int type; /* The type of the item, as above. */

    char *valuestring; /* The item's string, if type==cJSON_String */
    int64 valueint; /* The item's number, if type==cJSON_Number */
    double valuedouble; /* The item's number, if type==cJSON_Number */
    int sign;   /* sign of valueint, 1(unsigned), -1(signed) */

    char *string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
} cJSON;

typedef struct cJSON_Hooks
{
    void *(*malloc_fn)(size_t sz);
    void (*free_fn)(void *ptr);
} cJSON_Hooks;

/* Supply malloc, realloc and free functions to cJSON */
extern void cJSON_InitHooks(cJSON_Hooks* hooks);

/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
extern cJSON *cJSON_Parse(const char *value, const char **ep);
/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
extern char *cJSON_Print(cJSON *item);
/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
extern char *cJSON_PrintUnformatted(cJSON *item);
/* Delete a cJSON entity and all subentities. */
extern void cJSON_Delete(cJSON *c);

/* Returns the number of items in an array (or object). */
extern int cJSON_GetArraySize(cJSON *array);
/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
extern cJSON *cJSON_GetArrayItem(cJSON *array, int item);
/* Get item "string" from object. Case insensitive. */
extern cJSON *cJSON_GetObjectItem(cJSON *object, const char *string);

/* remove gloal variable for thread safe. --by Bwar on 2020-11-15 */
/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
/* extern const char *cJSON_GetErrorPtr(); */

/* These calls create a cJSON item of the appropriate type. */
extern cJSON *cJSON_CreateNull();
extern cJSON *cJSON_CreateTrue();
extern cJSON *cJSON_CreateFalse();
extern cJSON *cJSON_CreateBool(int b);
extern cJSON *cJSON_CreateDouble(double num, int sign);
extern cJSON *cJSON_CreateInt(uint64 num, int sign);
extern cJSON *cJSON_CreateString(const char *string);
extern cJSON *cJSON_CreateArray();
extern cJSON *cJSON_CreateObject();

/* These utilities create an Array of count items. */
extern cJSON *cJSON_CreateIntArray(int *numbers, int sign, int count);
extern cJSON *cJSON_CreateFloatArray(float *numbers, int count);
extern cJSON *cJSON_CreateDoubleArray(double *numbers, int count);
extern cJSON *cJSON_CreateStringArray(const char **strings, int count);

/* Append item to the specified array/object. */
extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
extern void cJSON_AddItemToArrayHead(cJSON *array, cJSON *item);    /* add by Bwar on 2015-01-28 */
extern void cJSON_AddItemToObject(cJSON *object, const char *string,
                cJSON *item);
/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
extern void cJSON_AddItemReferenceToObject(cJSON *object, const char *string,
                cJSON *item);

/* Remove/Detatch items from Arrays/Objects. */
extern cJSON *cJSON_DetachItemFromArray(cJSON *array, int which);
extern void cJSON_DeleteItemFromArray(cJSON *array, int which);
extern cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string);
extern void cJSON_DeleteItemFromObject(cJSON *object, const char *string);

/* Update array items. */
extern void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
extern void cJSON_ReplaceItemInObject(cJSON *object, const char *string,
                cJSON *newitem);

#define cJSON_AddNullToObject(object,name)	cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name)	cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
#define cJSON_AddFalseToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
#define cJSON_AddNumberToObject(object,name,n)	cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
#define cJSON_AddStringToObject(object,name,s)	cJSON_AddItemToObject(object, name, cJSON_CreateString(s))


#ifdef __cplusplus
}
#endif

#endif

cjson.cpp

/*
 Copyright (c) 2009 Dave Gamble
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */

/* cJSON */
/* JSON parser in C. */

#include <string.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <float.h>
#include <limits.h>
#include <ctype.h>
#include "cJSON.h"

#ifndef INT_MAX
#define INT_MAX 2147483647
#define INT_MIN (-INT_MAX - 1)
#define UINT_MAX   4294967295U
#endif

/* remove global variable for thread safe. --by Bwar on 2020-11-15
static const char *ep;
const char *cJSON_GetErrorPtr()
{
    return ep;
}
*/

static int cJSON_strcasecmp(const char *s1, const char *s2)
{
    if (!s1)
        return (s1 == s2) ? 0 : 1;
    if (!s2)
        return 1;
    for (; tolower(*s1) == tolower(*s2); ++s1, ++s2)
        if (*s1 == 0)
            return 0;
    return tolower(*(const unsigned char *)s1)
                    - tolower(*(const unsigned char *)s2);
}

static void *(*cJSON_malloc)(size_t sz) = malloc;
static void (*cJSON_free)(void *ptr) = free;

static char* cJSON_strdup(const char* str)
{
    size_t len;
    char* copy;

    len = strlen(str) + 1;
    if (!(copy = (char*) cJSON_malloc(len)))
        return 0;
    memcpy(copy, str, len);
    return copy;
}

void cJSON_InitHooks(cJSON_Hooks* hooks)
{
    if (!hooks)
    { /* Reset hooks */
        cJSON_malloc = malloc;
        cJSON_free = free;
        return;
    }

    cJSON_malloc = (hooks->malloc_fn) ? hooks->malloc_fn : malloc;
    cJSON_free = (hooks->free_fn) ? hooks->free_fn : free;
}

/* Internal constructor. */
static cJSON *cJSON_New_Item()
{
    cJSON* node = (cJSON*) cJSON_malloc(sizeof(cJSON));
    if (node)
        memset(node, 0, sizeof(cJSON));
    return node;
}

/* Delete a cJSON structure. */
void cJSON_Delete(cJSON *c)
{
    cJSON *next;
    while (c)
    {
        next = c->next;
        if (!(c->type & cJSON_IsReference) && c->child)
            cJSON_Delete(c->child);
        if (!(c->type & cJSON_IsReference) && c->valuestring)
            cJSON_free(c->valuestring);
        if (c->string)
            cJSON_free(c->string);
        cJSON_free(c);
        c = next;
    }
}

/* Parse the input text to generate a number, and populate the result into item. */
static const char *parse_number(cJSON *item, const char *num)
{
    int64 n = 0;
    long double d = 0.0;
    double base = 0.0;
    double point = 0.1;
    int scale = 0.0;
    int subscale = 0;
    int signsubscale = 1;
    item->sign = 1;

    /* Could use sscanf for this? */
    if (*num == '-')
        item->sign = -1, num++; /* Has sign? */
    if (*num == '0')
        num++; /* is zero */
    while (*num >= '0' && *num <= '9')
    {
        n = (n * 10) + (*num++ - '0');
    }
    d = n;
    if (*num == '.' && num[1] >= '0' && num[1] <= '9')
    {
        num++;
        base = d;
        do
        {
            d += point * (*num - '0');
            point *= 0.1;
            base = (base * 10.0) + (*num - '0'), scale--;
            ++num;
        }
        while (*num >= '0' && *num <= '9');
    } /* Fractional part? */
    if (*num == 'e' || *num == 'E') /* Exponent? */
    {
        num++;
        if (*num == '+')
            num++;
        else if (*num == '-')
            signsubscale = -1, num++; /* With sign? */
        while (*num >= '0' && *num <= '9')
            subscale = (subscale * 10) + (*num++ - '0'); /* Number? */
    }

    if (scale == 0 && subscale == 0)
    {
        item->valuedouble = item->sign * d;
        item->valueint = item->sign * n;
        item->type = cJSON_Int;
    }
    else
    {
        if (subscale != 0)
        {
            d = item->sign * base * pow(10.0, (scale + subscale * signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */
        } else {
            d = item->sign * d;
        }
        item->valuedouble = d;
        item->valueint = n;
        item->type = cJSON_Double;
    }
    return num;
}

/* Render the number nicely from the given item into a string. */
static char *print_double(cJSON *item)
{
    char *str;
    double d = item->valuedouble;
    str = (char*) cJSON_malloc(64); /* This is a nice tradeoff. */
    if (str)
    {
        sprintf(str, "%.15f", d);
    }
    return str;
}

static char *print_int(cJSON *item)
{
    char *str;
    str = (char*) cJSON_malloc(22); /* 2^64+1 can be represented in 21 chars. */
    if (str)
    {
        if (item->sign == -1)
        {
            if ((int64)item->valueint <= (int64)INT_MAX && (int64)item->valueint >= (int64)INT_MIN)
            {
                sprintf(str, "%d", (int32)item->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                sprintf(str, "%ld", (int64)item->valueint);
#else
                sprintf(str, "%lld", (int64)item->valueint);
#endif
            }
        }
        else
        {
            if (item->valueint <= (uint64)UINT_MAX)
            {
                sprintf(str, "%u", (uint32)item->valueint);
            }
            else
            {
#if LLONG_MAX==LONG_MAX
                sprintf(str, "%lu", (uint64)item->valueint);
#else
                sprintf(str, "%llu", (uint64)item->valueint);
#endif
            }
        }
    }
    return str;
}

/* Parse the input text into an unescaped cstring, and populate item. */
static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0,
                0xF8, 0xFC };
static const char *parse_string(cJSON *item, const char *str, const char **ep)
{
    const char *ptr = str + 1;
    char *ptr2;
    char *out;
    int len = 0;
    unsigned uc, uc2;
    if (*str != '\"')
    {
        *ep = str;
        return 0;
    } /* not a string! */

    while (*ptr != '\"' && *ptr && ++len)
        if (*ptr++ == '\\')
            ptr++; /* Skip escaped quotes. */

    out = (char*) cJSON_malloc(len + 1); /* This is how long we need for the string, roughly. */
    if (!out)
        return 0;

    ptr = str + 1;
    ptr2 = out;
    while (*ptr != '\"' && *ptr)
    {
        if (*ptr != '\\')
            *ptr2++ = *ptr++;
        else
        {
            ptr++;
            switch (*ptr)
            {
            case 'b':
                *ptr2++ = '\b';
                break;
            case 'f':
                *ptr2++ = '\f';
                break;
            case 'n':
                *ptr2++ = '\n';
                break;
            case 'r':
                *ptr2++ = '\r';
                break;
            case 't':
                *ptr2++ = '\t';
                break;
            case 'u': /* transcode utf16 to utf8. */
                sscanf(ptr + 1, "%4x", &uc);
                ptr += 4; /* get the unicode char. */

                if ((uc >= 0xDC00 && uc <= 0xDFFF) || uc == 0)
                    break;	// check for invalid.

                if (uc >= 0xD800 && uc <= 0xDBFF)	// UTF16 surrogate pairs.
                {
                    if (ptr[1] != '\\' || ptr[2] != 'u')
                        break;	// missing second-half of surrogate.
                    sscanf(ptr + 3, "%4x", &uc2);
                    ptr += 6;
                    if (uc2 < 0xDC00 || uc2 > 0xDFFF)
                        break;	// invalid second-half of surrogate.
                    uc = 0x10000 | ((uc & 0x3FF) << 10) | (uc2 & 0x3FF);
                }

                len = 4;
                if (uc < 0x80)
                    len = 1;
                else if (uc < 0x800)
                    len = 2;
                else if (uc < 0x10000)
                    len = 3;
                ptr2 += len;

                switch (len)
                {
                case 4:
                    *--ptr2 = ((uc | 0x80) & 0xBF);
                    uc >>= 6;
                case 3:
                    *--ptr2 = ((uc | 0x80) & 0xBF);
                    uc >>= 6;
                case 2:
                    *--ptr2 = ((uc | 0x80) & 0xBF);
                    uc >>= 6;
                case 1:
                    *--ptr2 = (uc | firstByteMark[len]);
                }
                ptr2 += len;
                break;
            default:
                *ptr2++ = *ptr;
                break;
            }
            ptr++;
        }
    }
    *ptr2 = 0;
    if (*ptr == '\"')
        ptr++;
    item->valuestring = out;
    item->type = cJSON_String;
    return ptr;
}

/* Render the cstring provided to an escaped version that can be printed. */
static char *print_string_ptr(const char *str)
{
    const char *ptr;
    char *ptr2, *out;
    int len = 0;
    unsigned char token;

    if (!str)
        return cJSON_strdup("");
    ptr = str;
    while ((token = *ptr) && ++len)
    {
        if (strchr("\"\\\b\f\n\r\t", token))
            len++;
        else if (token < 32)
            len += 5;
        ptr++;
    }

    out = (char*) cJSON_malloc(len + 3);
    if (!out)
        return 0;

    ptr2 = out;
    ptr = str;
    *ptr2++ = '\"';
    while (*ptr)
    {
        if ((unsigned char) *ptr > 31 && *ptr != '\"' && *ptr != '\\')
            *ptr2++ = *ptr++;
        else
        {
            *ptr2++ = '\\';
            switch (token = *ptr++)
            {
            case '\\':
                *ptr2++ = '\\';
                break;
            case '\"':
                *ptr2++ = '\"';
                break;
            case '\b':
                *ptr2++ = 'b';
                break;
            case '\f':
                *ptr2++ = 'f';
                break;
            case '\n':
                *ptr2++ = 'n';
                break;
            case '\r':
                *ptr2++ = 'r';
                break;
            case '\t':
                *ptr2++ = 't';
                break;
            default:
                sprintf(ptr2, "u%04x", token);
                ptr2 += 5;
                break; /* escape and print */
            }
        }
    }
    *ptr2++ = '\"';
    *ptr2++ = 0;
    return out;
}
/* Invote print_string_ptr (which is useful) on an item. */
static char *print_string(cJSON *item)
{
    return print_string_ptr(item->valuestring);
}

/* Predeclare these prototypes. */
static const char *parse_value(cJSON *item, const char *value, const char **ep);
static char *print_value(cJSON *item, int depth, int fmt);
static const char *parse_array(cJSON *item, const char *value, const char **ep);
static char *print_array(cJSON *item, int depth, int fmt);
static const char *parse_object(cJSON *item, const char *value, const char **ep);
static char *print_object(cJSON *item, int depth, int fmt);

/* Utility to jump whitespace and cr/lf */
static const char *skip(const char *in)
{
    while (in && *in && (unsigned char) *in <= 32)
        in++;
    return in;
}

/* Parse an object - create a new root, and populate. */
cJSON *cJSON_Parse(const char *value, const char **ep)
{
    cJSON *c = cJSON_New_Item();
    *ep = 0;
    if (!c)
        return 0; /* memory fail */

    if (!parse_value(c, skip(value), ep))
    {
        cJSON_Delete(c);
        return 0;
    }
    return c;
}

/* Render a cJSON item/entity/structure to text. */
char *cJSON_Print(cJSON *item)
{
    return print_value(item, 0, 1);
}
char *cJSON_PrintUnformatted(cJSON *item)
{
    return print_value(item, 0, 0);
}

/* Parser core - when encountering text, process appropriately. */
static const char *parse_value(cJSON *item, const char *value, const char **ep)
{
    if (!value)
        return 0; /* Fail on null. */
    if (!strncmp(value, "null", 4))
    {
        item->type = cJSON_NULL;
        return value + 4;
    }
    if (!strncmp(value, "false", 5))
    {
        item->type = cJSON_False;
        return value + 5;
    }
    if (!strncmp(value, "true", 4))
    {
        item->type = cJSON_True;
        item->valueint = 1;
        return value + 4;
    }
    if (*value == '\"')
    {
        return parse_string(item, value, ep);
    }
    if (*value == '-' || (*value >= '0' && *value <= '9'))
    {
        return parse_number(item, value);
    }
    if (*value == '[')
    {
        return parse_array(item, value, ep);
    }
    if (*value == '{')
    {
        return parse_object(item, value, ep);
    }

    *ep = value;
    return 0; /* failure. */
}

/* Render a value to text. */
static char *print_value(cJSON *item, int depth, int fmt)
{
    char *out = 0;
    if (!item)
        return 0;
    switch ((item->type) & 255)
    {
    case cJSON_NULL:
        out = cJSON_strdup("null");
        break;
    case cJSON_False:
        out = cJSON_strdup("false");
        break;
    case cJSON_True:
        out = cJSON_strdup("true");
        break;
    case cJSON_Int:
        out = print_int(item);
        break;
    case cJSON_Double:
        out = print_double(item);
        break;
    case cJSON_String:
        out = print_string(item);
        break;
    case cJSON_Array:
        out = print_array(item, depth, fmt);
        break;
    case cJSON_Object:
        out = print_object(item, depth, fmt);
        break;
    }
    return out;
}

/* Build an array from input text. */
static const char *parse_array(cJSON *item, const char *value, const char **ep)
{
    cJSON *child;
    if (*value != '[')
    {
        *ep = value;
        return 0;
    } /* not an array! */

    item->type = cJSON_Array;
    value = skip(value + 1);
    if (*value == ']')
        return value + 1; /* empty array. */

    item->child = child = cJSON_New_Item();
    if (!item->child)
        return 0; /* memory fail */
    value = skip(parse_value(child, skip(value), ep)); /* skip any spacing, get the value. */
    if (!value)
        return 0;

    while (*value == ',')
    {
        cJSON *new_item;
        if (!(new_item = cJSON_New_Item()))
            return 0; /* memory fail */
        child->next = new_item;
        new_item->prev = child;
        child = new_item;
        value = skip(parse_value(child, skip(value + 1), ep));
        if (!value)
            return 0; /* memory fail */
    }

    if (*value == ']')
        return value + 1; /* end of array */
    *ep = value;
    return 0; /* malformed. */
}

/* Render an array to text */
static char *print_array(cJSON *item, int depth, int fmt)
{
    char **entries;
    char *out = 0, *ptr, *ret;
    int len = 5;
    cJSON *child = item->child;
    int numentries = 0, i = 0, fail = 0;

    /* How many entries in the array? */
    while (child)
        numentries++, child = child->next;
    /* Allocate an array to hold the values for each */
    entries = (char**) cJSON_malloc(numentries * sizeof(char*));
    if (!entries)
        return 0;
    memset(entries, 0, numentries * sizeof(char*));
    /* Retrieve all the results: */
    child = item->child;
    while (child && !fail)
    {
        ret = print_value(child, depth + 1, fmt);
        entries[i++] = ret;
        if (ret)
            len += strlen(ret) + 2 + (fmt ? 1 : 0);
        else
            fail = 1;
        child = child->next;
    }

    /* If we didn't fail, try to malloc the output string */
    if (!fail)
        out = (char*) cJSON_malloc(len);
    /* If that fails, we fail. */
    if (!out)
        fail = 1;

    /* Handle failure. */
    if (fail)
    {
        for (i = 0; i < numentries; i++)
            if (entries[i])
                cJSON_free(entries[i]);
        cJSON_free(entries);
        return 0;
    }

    /* Compose the output array. */
    *out = '[';
    ptr = out + 1;
    *ptr = 0;
    for (i = 0; i < numentries; i++)
    {
        strcpy(ptr, entries[i]);
        ptr += strlen(entries[i]);
        if (i != numentries - 1)
        {
            *ptr++ = ',';
            if (fmt)
                *ptr++ = ' ';
            *ptr = 0;
        }
        cJSON_free(entries[i]);
    }
    cJSON_free(entries);
    *ptr++ = ']';
    *ptr++ = 0;
    return out;
}

/* Build an object from the text. */
static const char *parse_object(cJSON *item, const char *value, const char **ep)
{
    cJSON *child;
    if (*value != '{')
    {
        *ep = value;
        return 0;
    } /* not an object! */

    item->type = cJSON_Object;
    value = skip(value + 1);
    if (*value == '}')
        return value + 1; /* empty array. */

    item->child = child = cJSON_New_Item();
    if (!item->child)
        return 0;
    value = skip(parse_string(child, skip(value), ep));
    if (!value)
        return 0;
    child->string = child->valuestring;
    child->valuestring = 0;
    if (*value != ':')
    {
        *ep = value;
        return 0;
    } /* fail! */
    value = skip(parse_value(child, skip(value + 1), ep)); /* skip any spacing, get the value. */
    if (!value)
        return 0;

    while (*value == ',')
    {
        cJSON *new_item;
        if (!(new_item = cJSON_New_Item()))
            return 0; /* memory fail */
        child->next = new_item;
        new_item->prev = child;
        child = new_item;
        value = skip(parse_string(child, skip(value + 1), ep));
        if (!value)
            return 0;
        child->string = child->valuestring;
        child->valuestring = 0;
        if (*value != ':')
        {
            *ep = value;
            return 0;
        } /* fail! */
        value = skip(parse_value(child, skip(value + 1), ep)); /* skip any spacing, get the value. */
        if (!value)
            return 0;
    }

    if (*value == '}')
        return value + 1; /* end of array */
    *ep = value;
    return 0; /* malformed. */
}

/* Render an object to text. */
static char *print_object(cJSON *item, int depth, int fmt)
{
    char **entries = 0, **names = 0;
    char *out = 0, *ptr, *ret, *str;
    int len = 7, i = 0, j;
    cJSON *child = item->child;
    int numentries = 0, fail = 0;
    /* Count the number of entries. */
    while (child)
        numentries++, child = child->next;
    /* Allocate space for the names and the objects */
    entries = (char**) cJSON_malloc(numentries * sizeof(char*));
    if (!entries)
        return 0;
    names = (char**) cJSON_malloc(numentries * sizeof(char*));
    if (!names)
    {
        cJSON_free(entries);
        return 0;
    }
    memset(entries, 0, sizeof(char*) * numentries);
    memset(names, 0, sizeof(char*) * numentries);

    /* Collect all the results into our arrays: */
    child = item->child;
    depth++;
    if (fmt)
        len += depth;
    while (child)
    {
        names[i] = str = print_string_ptr(child->string);
        entries[i++] = ret = print_value(child, depth, fmt);
        if (str && ret)
            len += strlen(ret) + strlen(str) + 2 + (fmt ? 2 + depth : 0);
        else
            fail = 1;
        child = child->next;
    }

    /* Try to allocate the output string */
    if (!fail)
        out = (char*) cJSON_malloc(len);
    if (!out)
        fail = 1;

    /* Handle failure */
    if (fail)
    {
        for (i = 0; i < numentries; i++)
        {
            if (names[i])
                cJSON_free(names[i]);
            if (entries[i])
                cJSON_free(entries[i]);
        }
        cJSON_free(names);
        cJSON_free(entries);
        return 0;
    }

    /* Compose the output: */
    *out = '{';
    ptr = out + 1;
    if (fmt)
        *ptr++ = '\n';
    *ptr = 0;
    for (i = 0; i < numentries; i++)
    {
        if (fmt)
            for (j = 0; j < depth; j++)
                *ptr++ = '\t';
        strcpy(ptr, names[i]);
        ptr += strlen(names[i]);
        *ptr++ = ':';
        if (fmt)
            *ptr++ = '\t';
        strcpy(ptr, entries[i]);
        ptr += strlen(entries[i]);
        if (i != numentries - 1)
            *ptr++ = ',';
        if (fmt)
            *ptr++ = '\n';
        *ptr = 0;
        cJSON_free(names[i]);
        cJSON_free(entries[i]);
    }

    cJSON_free(names);
    cJSON_free(entries);
    if (fmt)
        for (i = 0; i < depth - 1; i++)
            *ptr++ = '\t';
    *ptr++ = '}';
    *ptr++ = 0;
    return out;
}

/* Get Array size/item / object item. */
int cJSON_GetArraySize(cJSON *array)
{
    cJSON *c = array->child;
    int i = 0;
    while (c)
        i++, c = c->next;
    return i;
}
cJSON *cJSON_GetArrayItem(cJSON *array, int item)
{
    cJSON *c = array->child;
    while (c && item > 0)
        item--, c = c->next;
    return c;
}
cJSON *cJSON_GetObjectItem(cJSON *object, const char *string)
{
    cJSON *c = object->child;
    while (c && cJSON_strcasecmp(c->string, string))
        c = c->next;
    return c;
}

/* Utility for array list handling. */
static void suffix_object(cJSON *prev, cJSON *item)
{
    prev->next = item;
    item->prev = prev;
}
/* Utility for handling references. */
static cJSON *create_reference(cJSON *item)
{
    cJSON *ref = cJSON_New_Item();
    if (!ref)
        return 0;
    memcpy(ref, item, sizeof(cJSON));
    ref->string = 0;
    ref->type |= cJSON_IsReference;
    ref->next = ref->prev = 0;
    return ref;
}

/* Add item to array/object. */
void cJSON_AddItemToArray(cJSON *array, cJSON *item)
{
    cJSON *c = array->child;
    if (!item)
        return;
    if (!c)
    {
        array->child = item;
    }
    else
    {
        while (c && c->next)
            c = c->next;
        suffix_object(c, item);
    }
}

void cJSON_AddItemToArrayHead(cJSON *array, cJSON *item)
{
    cJSON *c = array->child;
    if (!item)
        return;
    if (!c)
    {
        array->child = item;
    }
    else
    {
        item->prev = c->prev;
        item->next = c;
        c->prev = item;
        array->child = item;
    }
}

void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
{
    if (!item)
        return;
    if (item->string)
        cJSON_free(item->string);
    item->string = cJSON_strdup(string);
    cJSON_AddItemToArray(object, item);
}
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
{
    cJSON_AddItemToArray(array, create_reference(item));
}
void cJSON_AddItemReferenceToObject(cJSON *object, const char *string,
                cJSON *item)
{
    cJSON_AddItemToObject(object, string, create_reference(item));
}

cJSON *cJSON_DetachItemFromArray(cJSON *array, int which)
{
    cJSON *c = array->child;
    while (c && which > 0)
        c = c->next, which--;
    if (!c)
        return 0;
    if (c->prev)
        c->prev->next = c->next;
    if (c->next)
        c->next->prev = c->prev;
    if (c == array->child)
        array->child = c->next;
    c->prev = c->next = 0;
    return c;
}
void cJSON_DeleteItemFromArray(cJSON *array, int which)
{
    cJSON_Delete(cJSON_DetachItemFromArray(array, which));
}
cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string)
{
    int i = 0;
    cJSON *c = object->child;
    while (c && cJSON_strcasecmp(c->string, string))
        i++, c = c->next;
    if (c)
        return cJSON_DetachItemFromArray(object, i);
    return 0;
}
void cJSON_DeleteItemFromObject(cJSON *object, const char *string)
{
    cJSON_Delete(cJSON_DetachItemFromObject(object, string));
}

/* Replace array/object items with new ones. */
void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
{
    cJSON *c = array->child;
    while (c && which > 0)
        c = c->next, which--;
    if (!c)
        return;
    newitem->next = c->next;
    newitem->prev = c->prev;
    if (newitem->next)
        newitem->next->prev = newitem;
    if (c == array->child)
        array->child = newitem;
    else
        newitem->prev->next = newitem;
    c->next = c->prev = 0;
    cJSON_Delete(c);
}
void cJSON_ReplaceItemInObject(cJSON *object, const char *string,
                cJSON *newitem)
{
    int i = 0;
    cJSON *c = object->child;
    while (c && cJSON_strcasecmp(c->string, string))
        i++, c = c->next;
    if (c)
    {
        newitem->string = cJSON_strdup(string);
        cJSON_ReplaceItemInArray(object, i, newitem);
    }
}

/* Create basic types: */
cJSON *cJSON_CreateNull()
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = cJSON_NULL;
    return item;
}
cJSON *cJSON_CreateTrue()
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = cJSON_True;
    return item;
}
cJSON *cJSON_CreateFalse()
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = cJSON_False;
    return item;
}
cJSON *cJSON_CreateBool(int b)
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = b ? cJSON_True : cJSON_False;
    return item;
}
cJSON *cJSON_CreateDouble(double num, int sign)
{
    cJSON *item = cJSON_New_Item();
    if (item)
    {
        item->type = cJSON_Double;
        item->valuedouble = num;
        item->valueint = (int64)num;
        item->sign = sign;
    }
    return item;
}
cJSON *cJSON_CreateInt(uint64 num, int sign)
{
    cJSON *item = cJSON_New_Item();
    if (item)
    {
        item->type = cJSON_Int;
        item->valuedouble = (double)num;
        item->valueint = (int64)num;
        item->sign = sign;
    }
    return item;
}
cJSON *cJSON_CreateString(const char *string)
{
    cJSON *item = cJSON_New_Item();
    if (item)
    {
        item->type = cJSON_String;
        item->valuestring = cJSON_strdup(string);
    }
    return item;
}
cJSON *cJSON_CreateArray()
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = cJSON_Array;
    return item;
}
cJSON *cJSON_CreateObject()
{
    cJSON *item = cJSON_New_Item();
    if (item)
        item->type = cJSON_Object;
    return item;
}

/* Create Arrays: */
cJSON *cJSON_CreateIntArray(int *numbers, int sign, int count)
{
    int i;
    cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
    for (i = 0; a && i < count; i++)
    {
        n = cJSON_CreateDouble((long double)((unsigned int)numbers[i]), sign);
        if (!i)
            a->child = n;
        else
            suffix_object(p, n);
        p = n;
    }
    return a;
}
cJSON *cJSON_CreateFloatArray(float *numbers, int count)
{
    int i;
    cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
    for (i = 0; a && i < count; i++)
    {
        n = cJSON_CreateDouble((long double)numbers[i], -1);
        if (!i)
            a->child = n;
        else
            suffix_object(p, n);
        p = n;
    }
    return a;
}
cJSON *cJSON_CreateDoubleArray(double *numbers, int count)
{
    int i;
    cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
    for (i = 0; a && i < count; i++)
    {
        n = cJSON_CreateDouble((long double)numbers[i], -1);
        if (!i)
            a->child = n;
        else
            suffix_object(p, n);
        p = n;
    }
    return a;
}
cJSON *cJSON_CreateStringArray(const char **strings, int count)
{
    int i;
    cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
    for (i = 0; a && i < count; i++)
    {
        n = cJSON_CreateString(strings[i]);
        if (!i)
            a->child = n;
        else
            suffix_object(p, n);
        p = n;
    }
    return a;
}