options.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BAGEL_BOFLIB_OPTIONS_H
#define BAGEL_BOFLIB_OPTIONS_H

#include "common/stream.h"

#include "bagel/boflib/stdinc.h"
#include "bagel/boflib/llist.h"
#include "bagel/boflib/object.h"
#include "bagel/boflib/error.h"

namespace Bagel {

#define MAX_OPTION_LEN 100

class COption : public CLList, public CBofObject {
public:
    COption(const char *pszInit = nullptr);

    char _szBuf[MAX_OPTION_LEN];
};

class CBofOptions : public CBofObject { // CCache
private:
    COption *findSection(const char *pszSection);

    COption *findOption(const char *pszSection, const char *pszVar);

    bool readLine(Common::SeekableReadStream *pFile, char *pszBuf);

protected:
    char _szFileName[MAX_FNAME];
    COption *_pOptionList;
    bool _bDirty;

public:
    CBofOptions(const char *pszOptionsFile = nullptr);

    virtual ~CBofOptions();

    ErrorCode commit();

    ErrorCode loadOptionFile(const char *pszFile);

    const char *getFileName() const {
        return ((const char *)_szFileName);
    }

    ErrorCode writeSetting(const char *pszSection, const char *pszOption, const char *pszValue);

    ErrorCode writeSetting(const char *pszSection, const char *pszOption, int nValue);

    ErrorCode readSetting(const char *section, const char *option, char *stringValue, const char *defaultValue, uint32 nSize);

    ErrorCode readSetting(const char *section, const char *option, int *nValue, int defaultValue);

    ErrorCode readSetting(const char *section, const char *option, bool *boolValue, bool defaultValue);

    ErrorCode load();

    void release();
};

} // namespace Bagel

#endif