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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 <dick@softplc.com>
* Copyright (C) 2007 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 <wx/wx.h>
#include <richio.h>
/**
* Class FILTER_READER
* reads lines of text from another LINE_READER, but only returns non-comment
* lines and non-blank lines from its ReadLine() function.
*/
class FILTER_READER : public LINE_READER
{
LINE_READER& reader;
public:
/**
* Constructor ( LINE_READER& )
* does not take ownership over @a aReader, so will not destroy it.
*/
FILTER_READER( LINE_READER& aReader );
~FILTER_READER();
char* ReadLine() throw( IO_ERROR );
const wxString& GetSource() const
{
return reader.GetSource();
}
unsigned LineNumber() const
{
return reader.LineNumber();
}
};
/**
* Class WHITESPACE_FILTER_READER
* reads lines of text from another LINE_READER, but only returns non-comment
* lines and non-blank lines with leading whitespace characters (space and tab)
* removed from its ReadLine() function.
*/
class WHITESPACE_FILTER_READER : public LINE_READER
{
LINE_READER& reader;
public:
/**
* Constructor ( LINE_READER& )
* does not take ownership over @a aReader, so will not destroy it.
*/
WHITESPACE_FILTER_READER( LINE_READER& aReader );
~WHITESPACE_FILTER_READER();
char* ReadLine() throw( IO_ERROR );
const wxString& GetSource() const
{
return reader.GetSource();
}
unsigned LineNumber() const
{
return reader.LineNumber();
}
};
#endif // FILTER_READER_H_
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