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 --- Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp | 85 ++++++++++++++++++++++ Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h | 39 ++++++++++ .../Prog1/examples/ch07/Fig07_06_10/Employee1.cpp | 72 ++++++++++++++++++ .../Prog1/examples/ch07/Fig07_06_10/Employee1.h | 42 +++++++++++ .../Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp | 40 ++++++++++ 5 files changed, 278 insertions(+) create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.h create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp (limited to 'Bachelor/Prog1/examples/ch07/Fig07_06_10') diff --git a/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp new file mode 100644 index 0000000..ef3818b --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp @@ -0,0 +1,85 @@ +// Fig. 7.7: date1.cpp +// Member-function definitions for class Date. +#include + +using std::cout; +using std::endl; + +// include Date class definition from date1.h +#include "date1.h" + +// constructor confirms proper value for month; calls +// utility function checkDay to confirm proper value for day +Date::Date( int mn, int dy, int yr ) +{ + if ( mn > 0 && mn <= 12 ) // validate the month + month = mn; + + else { // invalid month set to 1 + month = 1; + cout << "Month " << mn << " invalid. Set to month 1.\n"; + } + + year = yr; // should validate yr + day = checkDay( dy ); // validate the day + + // output Date object to show when its constructor is called + cout << "Date object constructor for date "; + print(); + cout << endl; + +} // end Date constructor + +// print Date object in form month/day/year +void Date::print() const +{ + cout << month << '/' << day << '/' << year; + +} // end function print + +// output Date object to show when its destructor is called +Date::~Date() +{ + cout << "Date object destructor for date "; + print(); + cout << endl; + +} // end ~Date destructor + +// utility function to confirm proper day value based on +// month and year; handles leap years, too +int Date::checkDay( int testDay ) const +{ + static const int daysPerMonth[ 13 ] = + { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; + + // determine whether testDay is valid for specified month + if ( testDay > 0 && testDay <= daysPerMonth[ month ] ) + return testDay; + + // February 29 check for leap year + if ( month == 2 && testDay == 29 && + ( year % 400 == 0 || + ( year % 4 == 0 && year % 100 != 0 ) ) ) + return testDay; + + cout << "Day " << testDay << " invalid. Set to day 1.\n"; + + return 1; // leave object in consistent state if bad value + +} // end function checkDay + +/************************************************************************** + * (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_06_10/Date1.h b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h new file mode 100644 index 0000000..5829c71 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h @@ -0,0 +1,39 @@ +// Fig. 7.6: date1.h +// Date class definition. +// Member functions defined in date1.cpp +#ifndef DATE1_H +#define DATE1_H + +class Date { + +public: + Date( int = 1, int = 1, int = 1900 ); // default constructor + void print() const; // print date in month/day/year format + ~Date(); // provided to confirm destruction order + +private: + int month; // 1-12 (January-December) + int day; // 1-31 based on month + int year; // any year + + // utility function to test proper day for month and year + int checkDay( int ) const; + +}; // end class Date + +#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. * + *************************************************************************/ diff --git a/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp new file mode 100644 index 0000000..6cc742a --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp @@ -0,0 +1,72 @@ +// Fig. 7.9: employee1.cpp +// Member-function definitions for class Employee. +#include + +using std::cout; +using std::endl; + +#include // strcpy and strlen prototypes + +#include "employee1.h" // Employee class definition +#include "date1.h" // Date class definition + +// constructor uses member initializer list to pass initializer +// values to constructors of member objects birthDate and +// hireDate [Note: This invokes the so-called "default copy +// constructor" which the C++ compiler provides implicitly.] +Employee::Employee( const char *first, const char *last, + const Date &dateOfBirth, const Date &dateOfHire ) + : birthDate( dateOfBirth ), // initialize birthDate + hireDate( dateOfHire ) // initialize hireDateba +{ + // copy first into firstName and be sure that it fits + int length = strlen( first ); + length = ( length < 25 ? length : 24 ); + strncpy( firstName, first, length ); + firstName[ length ] = '\0'; + + // copy last into lastName and be sure that it fits + length = strlen( last ); + length = ( length < 25 ? length : 24 ); + strncpy( lastName, last, length ); + lastName[ length ] = '\0'; + + // output Employee object to show when constructor is called + cout << "Employee object constructor: " + << firstName << ' ' << lastName << endl; + +} // end Employee constructor + +// print Employee object +void Employee::print() const +{ + cout << lastName << ", " << firstName << "\nHired: "; + hireDate.print(); + cout << " Birth date: "; + birthDate.print(); + cout << endl; + +} // end function print + +// output Employee object to show when its destructor is called +Employee::~Employee() +{ + cout << "Employee object destructor: " + << lastName << ", " << firstName << endl; + +} // end ~Employee destructor + +/************************************************************************** + * (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_06_10/Employee1.h b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.h new file mode 100644 index 0000000..cfc294a --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.h @@ -0,0 +1,42 @@ +// Fig. 7.8: employee1.h +// Employee class definition. +// Member functions defined in employee1.cpp. +#ifndef EMPLY1_H +#define EMPLY1_H + +// include Date class definition from date1.h +#include "date1.h" + +class Employee { + +public: + Employee( + const char *, const char *, const Date &, const Date & ); + + void print() const; + ~Employee(); // provided to confirm destruction order + +private: + char firstName[ 25 ]; + char lastName[ 25 ]; + const Date birthDate; // composition: member object + const Date hireDate; // composition: member object + +}; // end class Employee + +#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. * + *************************************************************************/ diff --git a/Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp new file mode 100644 index 0000000..90dfc9b --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp @@ -0,0 +1,40 @@ +// Fig. 7.10: fig07_10.cpp +// Demonstrating composition--an object with member objects. +#include + +using std::cout; +using std::endl; + +#include "employee1.h" // Employee class definition + +int main() +{ + Date birth( 7, 24, 1949 ); + Date hire( 3, 12, 1988 ); + Employee manager( "Bob", "Jones", birth, hire ); + + cout << '\n'; + manager.print(); + + cout << "\nTest Date constructor with invalid values:\n"; + Date lastDayOff( 14, 35, 1994 ); // invalid month and day + 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. * + *************************************************************************/ -- cgit v1.2.3