116 lines
2.6 KiB
C++
116 lines
2.6 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_INPUTCSV_HH_
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#define _OWLPS_POSITIONING_INPUTCSV_HH_
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#include "inputmedium.hh"
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#include "csvfilereader.hh"
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#include "configuration.hh"
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#include <string>
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#include <iostream>
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/// Reads [requests](@ref Request) from a CSV file
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/**
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* CSV format is:
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* Format_version;Mobile_MAC;Request_type;Number_of_packets;
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* Timestamp;X;Y;Z;Direction;CP_MAC_1;Packet_ID_1;SS_1;…;
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* CP_MAC_n;Packet_ID_n;SS_n
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*/
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class InputCSV: public InputMedium
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{
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protected:
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CSVFileReader file ;
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/** @name Operations */
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//@{
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/// Reads data & fills the current request
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bool fill_current_request(void) ;
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/// Reads a field and handle error message printing
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template<class T> bool read_field(T &field,
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const std::string &message) ;
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//@}
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public:
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InputCSV(const std::string &filename):
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file(filename) {}
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~InputCSV(void) {}
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/** @name Read accessors */
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//@{
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/// Checks if the end of the CSV file has been reached
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bool eof(void) const ;
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//@}
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/** @name Operators */
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//@{
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operator bool(void) const ;
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//@}
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} ;
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/* *** Read accessors *** */
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inline bool InputCSV::eof() const
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{
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return file.eof() ;
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}
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/* *** Operations *** */
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/**
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* This functions tries to read `field` from the input CSV file; if it
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* fails and the verbose mode is active, a message is displayed on the
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* standard error.
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*
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* @param field The variable in which the read field will be stored.
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* @param message The name of the field to be displayed in case of error.
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*
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* @returns `true` in case of success.
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* @returns `false` in case of error.
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*/
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template<class T>
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inline bool InputCSV::read_field(T &field, const std::string &message)
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{
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if (file.read_field(field))
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return true ;
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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std::cerr << "InputCSV: cannot read " << message << ".\n" ;
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return false ;
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}
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/* *** Operators *** */
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inline InputCSV::operator bool() const
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{
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return ! eof() ;
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}
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#endif // _OWLPS_POSITIONING_INPUTCSV_HH_
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