98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS).
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* OwlPS is a project of the University of Franche-Comte
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* (Université de Franche-Comté), France.
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*
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* Copyright © Université de Franche-Comté 2007-2012.
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*
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* Corresponding author: Matteo Cypriani <mcy@lm7.fr>
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*
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***********************************************************************
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL:
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* http://www.cecill.info
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided
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* only with a limited warranty and the software's authors, the holder
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* of the economic rights, and the successive licensors have only
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* limited liability.
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*
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* In this respect, the user's attention is drawn to the risks
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* associated with loading, using, modifying and/or developing or
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* reproducing the software by the user in light of its specific status
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* of free software, that may mean that it is complicated to manipulate,
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* and that also therefore means that it is reserved for developers and
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* experienced professionals having in-depth computer knowledge. Users
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* are therefore encouraged to load and test the software's suitability
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* as regards their requirements in conditions enabling the security of
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* their systems and/or data to be ensured and, more generally, to use
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* and operate it in the same conditions as regards security.
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*
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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***********************************************************************
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*/
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#ifndef _OWLPS_POSITIONING_TEXTFILEREADER_HH_
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#define _OWLPS_POSITIONING_TEXTFILEREADER_HH_
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#include <string>
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#include <fstream>
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/// Reads text from a file, line by line
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/**
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* If the file name is a dash ('-'), the standard input is used.
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*/
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class TextFileReader
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{
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protected:
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/// Name of the input file
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std::string file_name ;
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/// Stream associated with the file
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std::ifstream file ;
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/// Original rdbuf of the stream
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std::streambuf *file_buf ;
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/// Number of the last line read
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unsigned int current_line_nb ;
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/// Checks if the file is readable and closes it if not
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bool eof_close(void) ;
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public:
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TextFileReader(const std::string &_file_name) ;
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virtual ~TextFileReader(void) ;
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/** @name Operations */
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//@{
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/// Reads the next non-blank line
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bool read_nonblank_line(std::string &text) ;
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/// Reads the next line
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bool read_line(std::string &text) ;
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bool eof(void) const ;
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//@}
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} ;
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/* *** Operations *** */
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/**
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* @return \em true if the end of file is reached.
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* @return \em false if there is something more to read.
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*/
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inline bool TextFileReader::eof() const
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{
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return ! file && file.eof() ;
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}
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#endif // _OWLPS_POSITIONING_TEXTFILEREADER_HH_
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