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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog1/examples/ch07/Fig07_14_16 | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog1/examples/ch07/Fig07_14_16')
| -rw-r--r-- | Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp | 48 | ||||
| -rw-r--r-- | Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp | 114 | ||||
| -rw-r--r-- | Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h | 51 |
3 files changed, 213 insertions, 0 deletions
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 <iostream>
+
+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 <iostream>
+
+using std::cout;
+
+#include <iomanip>
+
+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. *
+ *************************************************************************/
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