51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
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// Fig. 9.8: Time.cpp
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// Time class member-function definitions.
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#include <fmt/format.h>
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#include <stdexcept> // for invalid_argument exception class
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#include <string>
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#include "Time.h" // include definition of class Time from Time.h
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// set new Time value using 24-hour time
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void Time::setTime(int hour, int minute, int second) {
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// validate hour, minute and second
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if ((hour < 0 || hour >= 24) || (minute < 0 || minute >= 60) ||
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(second < 0 || second >= 60)) {
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throw std::invalid_argument{
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"hour, minute or second was out of range"};
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}
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m_hour = hour;
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m_minute = minute;
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m_second = second;
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}
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// return Time as a string in 24-hour format (HH:MM:SS)
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std::string Time::to24HourString() const {
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return fmt::format("{:02d}:{:02d}:{:02d}", m_hour, m_minute, m_second);
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}
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// return Time as string in 12-hour format (HH:MM:SS AM or PM)
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std::string Time::to12HourString() const {
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return fmt::format("{}:{:02d}:{:02d} {}",
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((m_hour % 12 == 0) ? 12 : m_hour % 12), m_minute, m_second,
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(m_hour < 12 ? "AM" : "PM"));
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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