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  1. //
  2. //  main.cpp
  3. //  Exercise 12.19
  4. //
  5. //  Created by Steven Wiseman on 19/03/2025.
  6. //
  7.  
  8. #include <iostream>
  9. #include <vector>
  10. #include <memory>
  11.  
  12. class StrBlob {
  13.  
  14.     friend class StrBlobPtr;
  15.  
  16. public:
  17.  
  18.     std::vector<std::string> word;
  19.  
  20.     // constructor
  21.  
  22.     StrBlob (std::vector <std::string> input) {
  23.  
  24.         for (auto i : input)
  25.             word.push_back(i);
  26.     }
  27.  
  28.     void write () {
  29.  
  30.         for (auto i : word)
  31.             std::cout << i << std::endl;
  32.     }
  33.  
  34.     // size operations
  35.  
  36.     size_t size () {
  37.  
  38.         return word.size();
  39.  
  40.     }
  41.  
  42.     // add and remove elements
  43.  
  44.     void push_back (std::string more) {
  45.  
  46.         word.push_back(more);
  47.  
  48.     }
  49.  
  50.     void pop_back () {}
  51.  
  52.     // element access
  53.  
  54.     std::string front ();
  55.     std::string back ();
  56.  
  57. private:
  58.     // interface to StrBlobPtr
  59.  
  60. };
  61.  
  62. class StrBlobPtr {
  63.  
  64. public:
  65.  
  66.     StrBlobPtr () {}
  67.  
  68.     void push_back (StrBlob* b) {
  69.  
  70.         blobContainer.push_back(b);
  71.  
  72.     }
  73.  
  74.     //std::weak_ptr<std::vector<std::string>> wptr;
  75.  
  76.     std::vector <StrBlob*> blobContainer;
  77.  
  78. };
  79.  
  80.  
  81. int main(int argc, const char * argv[]) {
  82.  
  83.     std::vector <std::string> Wiseman_1;
  84.     Wiseman_1.push_back("Sabbath");
  85.     Wiseman_1.push_back("Bloody");
  86.     Wiseman_1.push_back("Sabbath");
  87.     Wiseman_1.push_back("You");
  88.     Wiseman_1.push_back("Ozzy");
  89.  
  90.     StrBlob* Kay = new StrBlob (Wiseman_1);
  91.  
  92.     //auto Kay = std::make_shared<StrBlob>(Wiseman_1);
  93.  
  94.     //Kay->write();
  95.  
  96.     std::cout << Kay->size() << std::endl;
  97.  
  98.     Kay->push_back("love");
  99.  
  100.     //Kay->write();
  101.  
  102.     // StrBlobPtr
  103.  
  104.     //StrBlob* b = new StrBlob (Wiseman);
  105.  
  106.     //StrBlobPtr* wisey = new StrBlobPtr (b);
  107.  
  108.     std::vector <std::string> Wiseman_2;
  109.     Wiseman_2.push_back("Hallowed");
  110.     Wiseman_2.push_back("Be");
  111.     Wiseman_2.push_back("Thy");
  112.     Wiseman_2.push_back("Name");
  113.  
  114.     StrBlob* b1 = new StrBlob (Wiseman_2);
  115.  
  116.     //auto b1 = std::make_shared<StrBlob>(Wiseman_2);
  117.  
  118.     //b1->write();
  119.  
  120.     std::vector <std::string> Wiseman_3;
  121.     Wiseman_3.push_back("The");
  122.     Wiseman_3.push_back("Trooper");
  123.  
  124.     StrBlob* b2 = new StrBlob (Wiseman_3);
  125.  
  126.     //auto b2 = std::make_shared<StrBlob>(Wiseman_3);
  127.  
  128.     //b2->write();
  129.  
  130.     //auto wisey = std::make_shared<StrBlobPtr>();
  131.  
  132.     auto wisey = std::make_shared<StrBlobPtr>();
  133.  
  134.     wisey->push_back(Kay);
  135.     wisey->push_back(b1);
  136.     wisey->push_back(b2);
  137.  
  138.     for (auto i : wisey->blobContainer) {
  139.  
  140.         i->write();
  141.  
  142.     }
  143.  
  144.  
  145.  
  146.     return 0;
  147. }
  148.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
5
Sabbath
Bloody
Sabbath
You
Ozzy
love
Hallowed
Be
Thy
Name
The
Trooper
https://ideone.com/U6qORi
language:
C++ (gcc 8.3)
created:
272 days ago
visibility:
secret

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