From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- .../Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp | 48 +++++++++ Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp | 114 +++++++++++++++++++++ Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h | 51 +++++++++ 3 files changed, 213 insertions(+) create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h (limited to 'Bachelor/Prog1/examples/ch07/Fig07_14_16') diff --git a/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp new file mode 100644 index 0000000..70e7a64 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp @@ -0,0 +1,48 @@ +// Fig. 7.16: fig07_16.cpp +// Cascading member function calls with the this pointer. +#include + +using std::cout; +using std::endl; + +#include "time6.h" // Time class definition + +int main() +{ + Time t; + + // cascaded function calls + t.setHour( 18 ).setMinute( 30 ).setSecond( 22 ); + + // output time in universal and standard formats + cout << "Universal time: "; + t.printUniversal(); + + cout << "\nStandard time: "; + t.printStandard(); + + cout << "\n\nNew standard time: "; + + // cascaded function calls + t.setTime( 20, 20, 20 ).printStandard(); + + cout << endl; + + return 0; + +} // end main + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ diff --git a/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp new file mode 100644 index 0000000..97205c0 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp @@ -0,0 +1,114 @@ +// Fig. 7.15: time6.cpp +// Member-function definitions for Time class. +#include + +using std::cout; + +#include + +using std::setfill; +using std::setw; + +#include "time6.h" // Time class definition + +// constructor function to initialize private data; +// calls member function setTime to set variables; +// default values are 0 (see class definition) +Time::Time( int hr, int min, int sec ) +{ + setTime( hr, min, sec ); + +} // end Time constructor + +// set values of hour, minute, and second +Time &Time::setTime( int h, int m, int s ) +{ + setHour( h ); + setMinute( m ); + setSecond( s ); + + return *this; // enables cascading + +} // end function setTime + +// set hour value +Time &Time::setHour( int h ) +{ + hour = ( h >= 0 && h < 24 ) ? h : 0; + + return *this; // enables cascading + +} // end function setHour + +// set minute value +Time &Time::setMinute( int m ) +{ + minute = ( m >= 0 && m < 60 ) ? m : 0; + + return *this; // enables cascading + +} // end function setMinute + +// set second value +Time &Time::setSecond( int s ) +{ + second = ( s >= 0 && s < 60 ) ? s : 0; + + return *this; // enables cascading + +} // end function setSecond + +// get hour value +int Time::getHour() const +{ + return hour; + +} // end function getHour + +// get minute value +int Time::getMinute() const +{ + return minute; + +} // end function getMinute + +// get second value +int Time::getSecond() const +{ + return second; + +} // end function getSecond + +// print Time in universal format +void Time::printUniversal() const +{ + cout << setfill( '0' ) << setw( 2 ) << hour << ":" + << setw( 2 ) << minute << ":" + << setw( 2 ) << second; + +} // end function printUniversal + +// print Time in standard format +void Time::printStandard() const +{ + cout << ( ( hour == 0 || hour == 12 ) ? 12 : hour % 12 ) + << ":" << setfill( '0' ) << setw( 2 ) << minute + << ":" << setw( 2 ) << second + << ( hour < 12 ? " AM" : " PM" ); + +} // end function printStandard + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ diff --git a/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h new file mode 100644 index 0000000..d9413ca --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h @@ -0,0 +1,51 @@ +// Fig. 7.14: time6.h +// Cascading member function calls. + +// Time class definition. +// Member functions defined in time6.cpp. +#ifndef TIME6_H +#define TIME6_H + +class Time { + +public: + Time( int = 0, int = 0, int = 0 ); // default constructor + + // set functions + Time &setTime( int, int, int ); // set hour, minute, second + Time &setHour( int ); // set hour + Time &setMinute( int ); // set minute + Time &setSecond( int ); // set second + + // get functions (normally declared const) + int getHour() const; // return hour + int getMinute() const; // return minute + int getSecond() const; // return second + + // print functions (normally declared const) + void printUniversal() const; // print universal time + void printStandard() const; // print standard time + +private: + int hour; // 0 - 23 (24-hour clock format) + int minute; // 0 - 59 + int second; // 0 - 59 + +}; // end class Time + +#endif + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ -- cgit v1.2.3