filter_reader.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2007-2010 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2007-2020 KiCad Developers, see change_log.txt for contributors.
 *
 * 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.
 *
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
 
#ifndef FILTER_READER_H_
#define FILTER_READER_H_
 
#include <richio.h>
#include <wx/string.h>
 
 
class FILTER_READER : public LINE_READER
{
public:
    FILTER_READER( LINE_READER& aReader );
 
    ~FILTER_READER();
 
    char* ReadLine() override;
 
    const wxString& GetSource() const override
    {
        return reader.GetSource();
    }
 
    unsigned LineNumber() const override
    {
        return reader.LineNumber();
    }
 
private:
    LINE_READER& reader;
};
 
 
class WHITESPACE_FILTER_READER : public LINE_READER
{
public:
    WHITESPACE_FILTER_READER( LINE_READER& aReader );
 
    ~WHITESPACE_FILTER_READER();
 
    char* ReadLine() override;
 
    const wxString& GetSource() const override
    {
        return reader.GetSource();
    }
 
    unsigned LineNumber() const override
    {
        return reader.LineNumber();
    }
 
private:
    LINE_READER& reader;
};
 
#endif // FILTER_READER_H_