added 15.11

1. added debug for Quote/Bulk_quote/Limit_quote
2. Test output

ch15/README.md

@@ -65,3 +65,9 @@ Anything like this can be an example.
 > Recalling the discussion from 8.1 (p. 311), explain how the program on page 317 that passed an `ifstream` to the `Sales_data` `read` function works.
 
 the function takes a `istream` from which `ifstream` is derived. Hence the `ifstream` object "is a" `istream` ,which is why it works.
+
+## Exercise 15.11:
+> Add a virtual `debug` function to your `Quote` class hierarchy
+that displays the data members of the respective classes.
+
+[Quote](ex15_11_Quote.h) | [Bulk_quote](ex15_11_Bulk_quote.h) | [Limit_quote](ex15_11_Limit_quote.h)

ch15/TEST.cpp

@@ -3,12 +3,28 @@ using namespace ch15;
 
 int main()
 {
+    cout << "\n===== ex03 =====" << endl;
+
     EX03::Quote quote_03("0-201-78345-X", 23.8);
     EX03::print_total(std::cout, quote_03, 3);
 
+    cout << "\n===== ex05 =====" << endl;
+
     EX05::Bulk_quote bulk_quote("0-201-78345-X", 23.8, 3, 0.5);
     EX03::print_total(std::cout, bulk_quote, 4);
 
+    cout << "\n===== ex07 =====" << endl;
+
     EX07::Limit_quote limit_quote("0-201-78345-X", 23.8, 3, 5, 0.5);
     EX03::print_total(std::cout, limit_quote, 6);
+
+    cout << "\n===== ex11 =====" << endl;
+
+    EX11::Quote quote_11("0-201-82470-1", 50);
+    EX11::Bulk_quote bulk_quote_11("0-201-82470-1", 50, 5, .19);
+    EX11::Limit_quote limit_quote_11("0-201-82470-1", 50, 5, 10, .19);
+
+    quote_11.debug();
+    bulk_quote_11.debug();
+    limit_quote_11.debug();
 }

ch15/ch15.h

@@ -20,6 +20,9 @@ namespace ch15 {
 #include "ex15_03_Quote.h"
 #include "ex15_05_Bulk_quote.h"
 #include "ex15_07_Limit_quote.h"
+#include "ex15_11_Quote.h"
+#include "ex15_11_Bulk_quote.h"
+#include "ex15_11_Limit_quote.h"
 }
 
 #endif // CH15_H_

ch15/ex15_03_Quote.h

@@ -11,8 +11,8 @@ If you have questions, try to connect with me: pezy<[email protected]>
 =================================================================================
 */
 
-#ifndef QUOTE_H
-#define QUOTE_H
+#ifndef CP5_EX15_03_QUOTE_H_
+#define CP5_EX15_03_QUOTE_H_
 
 #include <string>
 #include <iostream>
@@ -45,4 +45,4 @@ double print_total(ostream& os, Quote const& item, size_t n) {
 
 }
 
-#endif // QUOTE_H
+#endif // CP5_EX15_03_QUOTE_H_

ch15/ex15_05_Bulk_quote.h

@@ -11,8 +11,8 @@ If you have questions, try to connect with me: pezy<[email protected]>
 =================================================================================
 */
 
-#ifndef BULK_QUOTE_H_
-#define BULK_QUOTE_H_
+#ifndef CP5_EX15_05_BULK_QUOTE_H_
+#define CP5_EX15_05_BULK_QUOTE_H_
 
 #include "ex15_03_Quote.h"
 #include <string>
@@ -36,4 +36,4 @@ class Bulk_quote : public Quote {
 };
 }
 
-#endif // BULK_QUOTE_H_
+#endif // CP5_EX15_05_BULK_QUOTE_H_

ch15/ex15_07_Limit_quote.h

@@ -11,8 +11,8 @@ If you have questions, try to connect with me: pezy<[email protected]>
 =================================================================================
 */
 
-#ifndef LIMIT_QUOTE_H_
-#define LIMIT_QUOTE_H_
+#ifndef CP5_EX15_07_LIMIT_QUOTE_H_
+#define CP5_EX15_07_LIMIT_QUOTE_H_
 
 #include "ex15_05_Bulk_quote.h"
 #include <string>

ch15/ex15_11_Bulk_quote.h

@@ -0,0 +1,45 @@
+/*
+=================================================================================
+
+C++ Primer 5th Exercise Answer Source Code
+Copyright (C) 2014-2015 github.com/pezy/Cpp-Primer
+
+Bulk_quote class
+added debug() function
+
+If you have questions, try to connect with me: pezy<[email protected]>
+
+=================================================================================
+*/
+
+#ifndef CP5_EX15_11_BULK_QUOTE_H_
+#define CP5_EX15_11_BULK_QUOTE_H_
+
+#include "ex15_11_Quote.h"
+#include <string>
+
+namespace EX11 {
+    using std::string;
+
+class Bulk_quote : public Quote {
+public:
+    Bulk_quote() = default;
+    Bulk_quote(string const& book, double p, size_t qty, double disc) : Quote(book, p), min_qty(qty), discount(disc) {}
+
+    virtual double net_price(size_t cnt) const override {
+        if (cnt >= min_qty) return cnt * (1 - discount) * price;
+        else return cnt * price;
+    }
+
+    virtual void debug() const override {
+        Quote::debug();
+        cout << "\tminqty: " << min_qty << "\tdiscount: " << discount << endl;
+    }
+
+protected:
+    size_t min_qty = 0;
+    double discount = 0.0;
+};
+}
+
+#endif // CP5_EX15_11_BULK_QUOTE_H_

ch15/ex15_11_Limit_quote.h

@@ -0,0 +1,46 @@
+/*
+=================================================================================
+
+C++ Primer 5th Exercise Answer Source Code
+Copyright (C) 2014-2015 github.com/pezy/Cpp-Primer
+
+Limit_quote class
+added debug function
+
+If you have questions, try to connect with me: pezy<[email protected]>
+
+=================================================================================
+*/
+
+#ifndef CP5_EX15_11_LIMIT_QUOTE_H_
+#define CP5_EX15_11_LIMIT_QUOTE_H_
+
+#include "ex15_11_Bulk_quote.h"
+#include <string>
+
+namespace EX11 {
+    using std::string;
+    using std::cout; using std::endl;
+
+class Limit_quote : public Bulk_quote {
+public:
+    Limit_quote() = default;
+    Limit_quote(string const& book, double p, size_t min, size_t max, double dist) : Bulk_quote(book, p, min, dist), max_qty(max) {}
+
+    double net_price(size_t cnt) const override {
+        if (cnt > max_qty) return max_qty * (1 - discount) * price + (cnt - max_qty) * price;
+        else if (cnt >= min_qty) return cnt * (1 - discount) * price;
+        else return cnt * price;
+    }
+
+    virtual void debug() const final {
+        Bulk_quote::debug();
+        cout << "\tmax_qty: " << max_qty << endl;
+    }
+
+private:
+    size_t max_qty = 0;
+};
+}
+
+#endif // CP5_EX15_11_LIMIT_QUOTE_H_