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88 lines
2.0 KiB
88 lines
2.0 KiB
/*
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Transcriber's note: these first two lines of ifndef and define are added to make compilation work.
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Note 2: all changed lines are labled with "//CHANGE" (without the quotes)
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*/
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#ifndef _H_TVECTOR
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#define _H_TVECTOR
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#include <iostream>
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template <typename Object>//CHANGE
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class TVector
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{
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public:
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// Constructor
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TVector(int initSize=0)
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: theSize{initSize}, theCapacity{initSize+10}
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{
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objects = new Object(theCapacity);//CHANGE: annotation: in IVector object(...) was int(...)
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}
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// Destructor
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~TVector()
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{delete[] objects;}
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// Check for emptyness
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bool empty() const {return size() == 0;}
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// Return size of list
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int size() const {return theSize;}
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// Access the element at a given index
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// This is the non-const version, so you can change the element.
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Object& operator[](int index)//CHANGE
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{
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return objects[index];
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}
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// Access the element at a given index
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// This is the const version, for accessing the value only
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const Object& operator[](int index) const //CHANGE
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{
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return objects[index];
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}
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// Increase the capacity (i.e., array size)
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void reserve(int newCapacity)
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{
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if(newCapacity>theSize){
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Object *newArray = new int[newCapacity]; //CHANGE
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for (int k=0;k<theSize;++k){
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newArray[k] = std::move(objects[k]);
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}
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theCapacity = newCapacity;
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std::swap(objects, newArray);
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delete [] newArray;
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}
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}
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// add a new element to end of the list
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void push_back(const Object& x)//CHANGE
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{
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if(theSize==theCapacity) reserve(2*theCapacity+1);
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objects[theSize++]=x;
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}
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// remove the last element from the list
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void pop_back()
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{
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--theSize;
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}
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// Print out the size and contents of the list
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void display() const
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{
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std::cout << "size=" << theSize << std::endl;
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for(int i=0;i<theSize;++i){
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std::cout<<"["<<i<<"]"<<"="<<objects[i]<<std::endl;
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}
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}
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private:
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int theSize;
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int theCapacity;
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Object* objects;//CHANGE
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};
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#endif
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