/*
 * Copyright (C) 2007-2013 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#ifndef BU_CSV_READER_H
#define BU_CSV_READER_H

#include "bu/string.h"
#include "bu/array.h"
#include "bu/signals.h"

namespace Bu
{
    class Stream;
    typedef Bu::Array<Bu::String> StrArray;

    class CsvReader
    {
    public:
        typedef Bu::Signal1<Bu::String, Bu::String::iterator &> DecodeSignal;
        enum Style
        {
            styleExcel, ///< Excel style quotes around things that need em
            styleC      ///< Escape things that need it C-style
        };

        CsvReader( Stream &sIn, Style eStyle=styleExcel );
        CsvReader( Stream &sIn, DecodeSignal sDecode );
        virtual ~CsvReader();

        StrArray readLine();

    private:
        Stream &sIn;
        DecodeSignal sDecode;

        static Bu::String decodeExcel( Bu::String::iterator &i );
        static Bu::String decodeC( Bu::String::iterator &i );
    };
};

#endif