//  SubstitutionField.hpp
//
//  Copyright (C) 2017  Jaye Evins <evins@snaught.com>
//
//  This file is part of gLabels-qt.
//
//  gLabels-qt 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.
//
//  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef model_SubstitutionField_hpp
#define model_SubstitutionField_hpp


#include "ParserState.hpp"
#include "Variables.hpp"

#include "merge/Record.hpp"

#include <QString>


namespace glabels::model
{

        class SubstitutionField
        {
        public:
                SubstitutionField();
                SubstitutionField( const QString& string );

                QString evaluate( const merge::Record& record, const Variables& variables ) const;

                QString fieldName() const;
                QString defaultValue() const;
                QString format() const;
                QChar   formatType() const;
                bool    newLine() const;

                static bool parse( ParserState& s, SubstitutionField& field );

        private:
                static bool parseFieldName( ParserState& s, SubstitutionField& field );
                static bool parseModifier( ParserState& s, SubstitutionField& field );
                static bool parseDefaultValueModifier( ParserState& s, SubstitutionField& field );
                static bool parseFormatModifier( ParserState& s, SubstitutionField& field );
                static bool parseFormatFlags( ParserState& s, SubstitutionField& field );
                static bool parseFormatWidth( ParserState& s, SubstitutionField& field );
                static bool parseFormatPrecision( ParserState& s, SubstitutionField& field );
                static bool parseFormatType( ParserState& s, SubstitutionField& field );
                static bool parseNaturalInteger( ParserState& s, SubstitutionField& field );
                static bool parseNewLineModifier( ParserState& s, SubstitutionField& field );

                QString formatValue( const QString& value ) const;

                QString mFieldName;

                QString mDefaultValue;

                QString mFormat;
                QChar   mFormatType{};

                bool    mNewLine{ false };
        };

}


#endif // model_SubstitutionField_hpp