nl_parse.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 WATCHMAKER_NL_PARSE_H
#define WATCHMAKER_NL_PARSE_H

#define J_MAXSTRLEN 512L
#include "common/stream.h"

namespace Watchmaker {

class NLParser {
    unsigned int jStringLimit = J_MAXSTRLEN, jTillEOL = 0, jUsingComments = 0;
    unsigned long nlLineCounter;
    int  ReadArgument_(char *str, int teol);
    Common::SharedPtr<Common::SeekableReadStream> _stream = nullptr;
    void (*ErrorFunc)() = nullptr;
public:
    // TODO: Need a static version that allows for failure, as we have fallbacks in the code to use.
    static Common::SharedPtr<NLParser> open(const Common::String &name);
    NLParser(Common::SharedPtr<Common::SeekableReadStream> stream);
    int ParseError(const char *ln, ...);
    void IfParseErrorDo(void (*func)());
    int ReadArgumentEOL(char *str) {
        return ReadArgument_(str, 1);
    }
    int ReadArgument(char *str) {
        return ReadArgument_(str, 0);
    }
    int ReadNumber();              //max 80 cifre
    int SearchArgument(char *t, ...);
    int getCurLine() {
        return nlLineCounter;
    }

    int JParse_ReadByte(void) {
        int a = _stream->readByte();
        if (a == '\n')
            nlLineCounter++;
        return a;
    }

    int JParse_PrevByte(void) {

        if (_stream->seek(-1, SEEK_SET))
            return 0;
        return 1;
    }

    int MatchWord(const char *token);

#define EOF_PARSED    -2
};


} // End of namespace Watchmaker

#endif // WATCHMAKER_NL_PARSE_H