ksparser.h

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/***************************************************************************
                          KSParser.h  -  K Desktop Planetarium
                             -------------------
    begin                : 2012/24/06
    copyright            : (C) 2012 by Rishab Arora
    email                : ra.rishab@gmail.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef KSTARS_KSPARSER_H
#define KSTARS_KSPARSER_H
#include "kstars/ksfilereader.h"
#include <kstandarddirs.h>
#include <QList>
#include <QFile>
#include <QHash>
#include <QDebug>
#include <QVariant>

class KSParser {
 public:
    static const double EBROKEN_DOUBLE;
    static const float EBROKEN_FLOAT;
    static const int EBROKEN_INT;
    static const QString EBROKEN_QSTRING;

    enum DataTypes {
        D_QSTRING,
        D_INT,
        D_FLOAT,
        D_DOUBLE,
        D_SKIP
    };

    KSParser(const QString &filename, const char comment_char,
             const QList< QPair<QString, DataTypes> > &sequence,
             const char delimiter = ',');

    KSParser(const QString &filename, const char comment_char,
             const QList< QPair<QString, DataTypes> > &sequence,
             const QList<int> &widths);

    QHash<QString, QVariant>  ReadNextRow();

    bool HasNextRow();
    // Too many warnings when const: datahandlers/ksparser.h:131:27: warning:
    // type qualifiers ignored on function return type [-Wignored-qualifiers]

    void SetProgress(QString msg, int total_lines, int step_size);

    void ShowProgress();

 private:
    QHash<QString, QVariant> (KSParser::*readFunctionPtr)();

    QHash<QString, QVariant> ReadCSVRow();

    QHash<QString, QVariant> ReadFixedWidthRow();

    QHash<QString, QVariant> DummyRow();

    QList<QString> CombineQuoteParts(QList<QString> &separated);

    QVariant ConvertToQVariant(const QString &input_string,
                               const DataTypes &data_type, bool &ok);

    static const bool parser_debug_mode_;

    KSFileReader file_reader_;
    QString filename_;
    int current_row_id_;
    bool more_rows_;
    char comment_char_;

    QList< QPair<QString, DataTypes> > name_type_sequence_;
    QList<int> width_sequence_;
    char delimiter_;
};

#endif  // KSTARS_KSPARSER_H