71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS) project.
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* It is subject to the copyright notice and license terms in the
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* COPYRIGHT.t2t file found in the top-level directory of this
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* distribution and at
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* https://code.lm7.fr/mcy/owlps/src/master/COPYRIGHT.t2t
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* No part of the OwlPS Project, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms
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* contained in the COPYRIGHT.t2t file; the COPYRIGHT.t2t file must be
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* distributed along with this file, either separately or by replacing
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* this notice by the COPYRIGHT.t2t file's contents.
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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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explicit 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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* @returns `true` if the end of file is reached.
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* @returns `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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