89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
#include "inputmedium.hh"
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#include "calibrationrequest.hh"
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/* *** Constructors *** */
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InputMedium::InputMedium():
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current_line_nb(0)
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{
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current_request = new Request() ;
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}
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InputMedium::~InputMedium()
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{
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delete current_request ;
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}
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/* *** Operations *** */
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/**
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* Reads a Request, increments current_line_nb, updates #current_request
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* and returns it.
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*
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* The input medium should be ready to be read before precessing
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* requests; otherwise, #current_request is \link Request::clear()
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* cleared\endlink and a blank Request is returned.
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*
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* @return The Request read, or an empty Request in case of error or
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* EOF (note that when casted in bool, an empty Request is \em false,
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* see Request::operator bool()).
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*/
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const Request& InputMedium::get_next_request()
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{
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clear_current_request() ;
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if (! fill_current_request())
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{
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clear_current_request() ;
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return *current_request ;
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}
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return *current_request ;
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}
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void InputMedium::clear_current_request()
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{
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if (dynamic_cast<CalibrationRequest*>(current_request) == NULL)
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current_request->clear() ;
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else
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{
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delete current_request ;
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current_request = NULL ;
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current_request = new Request() ;
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}
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}
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void InputMedium::
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current_request_to_calibration_request(
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const ReferencePoint *const reference_point,
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const Direction &direction,
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const uint_fast8_t request_type)
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{
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CalibrationRequest *calibration_request =
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dynamic_cast<CalibrationRequest*>(current_request) ;
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if (calibration_request != NULL)
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{
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calibration_request->set_reference_point(reference_point) ;
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calibration_request->set_direction(direction) ;
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calibration_request->set_type(request_type) ;
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return ;
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}
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Request *tmp = current_request ;
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current_request = NULL ;
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current_request =
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new CalibrationRequest(*tmp,
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const_cast<ReferencePoint*>(reference_point),
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direction, request_type) ;
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delete tmp ;
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}
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