readascii.hpp
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00001 
00005 /* Copyright (c) 2011 Taneli Kalvas. All rights reserved.
00006  *
00007  * You can redistribute this software and/or modify it under the terms
00008  * of the GNU General Public License as published by the Free Software
00009  * Foundation; either version 2 of the License, or (at your option)
00010  * any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this library (file "COPYING" included in the package);
00019  * if not, write to the Free Software Foundation, Inc., 51 Franklin
00020  * Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  * 
00022  * If you have questions about your rights to use or distribute this
00023  * software, please contact Berkeley Lab's Technology Transfer
00024  * Department at TTD@lbl.gov. Other questions, comments and bug
00025  * reports should be sent directly to the author via email at
00026  * taneli.kalvas@jyu.fi.
00027  * 
00028  * NOTICE. This software was developed under partial funding from the
00029  * U.S.  Department of Energy.  As such, the U.S. Government has been
00030  * granted for itself and others acting on its behalf a paid-up,
00031  * nonexclusive, irrevocable, worldwide license in the Software to
00032  * reproduce, prepare derivative works, and perform publicly and
00033  * display publicly.  Beginning five (5) years after the date
00034  * permission to assert copyright is obtained from the U.S. Department
00035  * of Energy, and subject to any subsequent five (5) year renewals,
00036  * the U.S. Government is granted for itself and others acting on its
00037  * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
00038  * the Software to reproduce, prepare derivative works, distribute
00039  * copies to the public, perform publicly and display publicly, and to
00040  * permit others to do so.
00041  */
00042 
00043 #ifndef READASCII_HPP
00044 #define READASCII_HPP 1
00045 
00046 
00047 #include <vector>
00048 #include <stdint.h>
00049 
00050 
00062 class ReadAscii {
00063 
00064     std::string           _filename; 
00065     uint32_t              _N;        
00066     std::vector<double> **_data;     
00068     void read_data_line( const std::string &str, int linec );
00069 
00070 public:
00071 
00074     ReadAscii();
00075 
00083     ReadAscii( const std::string &filename, int columns = -1 );
00084 
00087     ~ReadAscii();
00088 
00096     void read( const std::string &filename, int columns = -1 );
00097 
00100     void clear( void );
00101 
00104     uint32_t columns( void ) const {
00105         return( _N );
00106     }
00107 
00110     uint32_t rows( void ) const {
00111         if( _N > 0 )
00112             return( _data[0]->size() );
00113         return( 0 );
00114     }
00115 
00118     const std::vector<double> &operator[]( uint32_t i ) const;
00119 };
00120 
00121 
00122 #endif
00123