/******************************************************************************

 *

 * Project:  VICAR Driver; JPL/MIPL VICAR Format

 * Purpose:  Implementation of VICARKeywordHandler - a class to read

 *           keyword data from VICAR data products.

 * Authors:  Sebastian Walter <sebastian dot walter at fu-berlin dot de>

 *

 * NOTE: This driver code is loosely based on the ISIS and PDS drivers.

 * It is not intended to diminish the contribution of the authors.

 ******************************************************************************

 * Copyright (c) 2014, Sebastian Walter <sebastian dot walter at fu-berlin dot

 *de>

 *

 * SPDX-License-Identifier: MIT

 ****************************************************************************/

#ifndef VICARKEYWORDHANDLER_H

#define VICARKEYWORDHANDLER_H

#include "cpl_json.h"

class VICARKeywordHandler

{

    char **papszKeywordList{};

    CPLString osHeaderText{};

    const char *pszHeaderNext{};

    CPLJSONObject oJSon{};

    void SkipWhite();

    bool ReadName(CPLString &osWord);

    bool ReadValue(CPLString &osWord, bool bInList, bool &bIsString);

    bool ReadPair(CPLString &osName, CPLString &osValue, CPLJSONObject &oCur);

    bool Parse();

    CPL_DISALLOW_COPY_ASSIGN(VICARKeywordHandler)

  public:

    VICARKeywordHandler();

    ~VICARKeywordHandler();

    bool Ingest(VSILFILE *fp, const GByte *pabyHeader);

    const char *GetKeyword(const char *pszPath, const char *pszDefault) const;

    const CPLJSONObject &GetJsonObject() const

    {

        return oJSon;

    }

};

#endif  // VICARKEYWORDHANDLER_H