//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//

#include "isaverestore.h"

#ifndef STDSTRING_H
#define STDSTRING_H

#if defined(_WIN32)
#pragma once
#endif

#ifdef _WIN32
#pragma warning(push)
#include <yvals.h>  // warnings get enabled in yvals.h
#pragma warning(disable : 4663)
#pragma warning(disable : 4530)
#pragma warning(disable : 4245)
#pragma warning(disable : 4018)
#pragma warning(disable : 4511)
#endif

#include <string>
#include "tier0/valve_minmax_off.h"  // GCC 4.2.2 headers screw up our min/max defs.
#include "tier0/valve_minmax_on.h"  // GCC 4.2.2 headers screw up our min/max defs.

#ifdef _WIN32
#pragma warning(pop)
#endif

class CStdStringSaveRestoreOps : public CDefSaveRestoreOps {
   public:
    enum {
        MAX_SAVE_LEN = 4096,
    };

    // save data type interface
    virtual void Save(const SaveRestoreFieldInfo_t &fieldInfo, ISave *pSave) {
        std::string *pString = (std::string *)fieldInfo.pField;
        Assert(pString->length() < MAX_SAVE_LEN - 1);
        if (pString->length() < MAX_SAVE_LEN - 1)
            pSave->WriteString(pString->c_str());
        else
            pSave->WriteString("<<invalid>>");
    }

    virtual void Restore(const SaveRestoreFieldInfo_t &fieldInfo,
                         IRestore *pRestore) {
        std::string *pString = (std::string *)fieldInfo.pField;
        char szString[MAX_SAVE_LEN];
        pRestore->ReadString(szString, sizeof(szString), 0);
        szString[MAX_SAVE_LEN - 1] = 0;
        pString->assign(szString);
    }

    virtual void MakeEmpty(const SaveRestoreFieldInfo_t &fieldInfo) {
        std::string *pString = (std::string *)fieldInfo.pField;
        pString->erase();
    }

    virtual bool IsEmpty(const SaveRestoreFieldInfo_t &fieldInfo) {
        std::string *pString = (std::string *)fieldInfo.pField;
        return pString->empty();
    }
};

//-------------------------------------

inline ISaveRestoreOps *GetStdStringDataOps() {
    static CStdStringSaveRestoreOps ops;
    return &ops;
}

//-------------------------------------

#define DEFINE_STDSTRING(name)                                         \
    {                                                                  \
        FIELD_CUSTOM, #name, {offsetof(classNameTypedef, name), 0}, 1, \
            FTYPEDESC_SAVE, NULL, GetStdStringDataOps(), NULL          \
    }

#endif  // STDSTRING_H