Fix C++ code below, apply fixes where indicated:

#include #include

#include "CSVparser.hpp"

using namespace std;

//============================================================================ // Global definitions visible to all methods and classes //============================================================================

// forward declarations double strToDouble(string str, char ch);

// define a structure to hold bid information struct Bid { string bidId; // unique identifier string title; string fund; double amount; Bid() { amount = 0.0; } };

// FIXME (1): Internal structure for tree node struct Node { };

//============================================================================ // Binary Search Tree class definition //============================================================================

/** * Define a class containing data members and methods to * implement a binary search tree */ class BinarySearchTree {

private: Node* root;

void addNode(Node* node, Bid bid); void inOrder(Node* node); Node* removeNode(Node* node, string bidId);

public: BinarySearchTree(); virtual ~BinarySearchTree(); void InOrder(); void Insert(Bid bid); void Remove(string bidId); Bid Search(string bidId); };

/** * Default constructor */ BinarySearchTree::BinarySearchTree() { // initialize housekeeping variables }

/** * Destructor */ BinarySearchTree::~BinarySearchTree() { // recurse from root deleting every node }

/** * Traverse the tree in order */ void BinarySearchTree::InOrder() { } /** * Insert a bid */ void BinarySearchTree::Insert(Bid bid) { // FIXME (2a) Implement inserting a bid into the tree }

/** * Remove a bid */ void BinarySearchTree::Remove(string bidId) { // FIXME (4a) Implement removing a bid from the tree }

/** * Search for a bid */ Bid BinarySearchTree::Search(string bidId) { // FIXME (3) Implement searching the tree for a bid

Bid bid; return bid; }

/** * Add a bid to some node (recursive) * * @param node Current node in tree * @param bid Bid to be added */ void BinarySearchTree::addNode(Node* node, Bid bid) { // FIXME (2b) Implement inserting a bid into the tree } void BinarySearchTree::inOrder(Node* node) { } //============================================================================ // Static methods used for testing //============================================================================

/** * Display the bid information to the console (std::out) * * @param bid struct containing the bid info */ void displayBid(Bid bid) { cout << bid.bidId << ": " << bid.title << " | " << bid.amount << " | " << bid.fund << endl; return; }

/** * Load a CSV file containing bids into a container * * @param csvPath the path to the CSV file to load * @return a container holding all the bids read */ void loadBids(string csvPath, BinarySearchTree* bst) { cout << "Loading CSV file " << csvPath << endl;

// initialize the CSV Parser using the given path csv::Parser file = csv::Parser(csvPath);

// read and display header row - optional vector header = file.getHeader(); for (auto const& c : header) { cout << c << " | "; } cout << "" << endl;

try { // loop to read rows of a CSV file for (unsigned int i = 0; i < file.rowCount(); i++) {

// Create a data structure and add to the collection of bids Bid bid; bid.bidId = file[i][1]; bid.title = file[i][0]; bid.fund = file[i][8]; bid.amount = strToDouble(file[i][4], '$');

//cout << "Item: " << bid.title << ", Fund: " << bid.fund << ", Amount: " << bid.amount << endl;

// push this bid to the end bst->Insert(bid); } } catch (csv::Error &e) { std::cerr << e.what() << std::endl; } }

/** * Simple C function to convert a string to a double * after stripping out unwanted char * * credit: http://stackoverflow.com/a/24875936 * * @param ch The character to strip out */ double strToDouble(string str, char ch) { str.erase(remove(str.begin(), str.end(), ch), str.end()); return atof(str.c_str()); }

/** * The one and only main() method */ int main(int argc, char* argv[]) {

// process command line arguments string csvPath, bidKey; switch (argc) { case 2: csvPath = argv[1]; bidKey = "98109"; break; case 3: csvPath = argv[1]; bidKey = argv[2]; break; default: csvPath = "eBid_Monthly_Sales_Dec_2016.csv"; bidKey = "98109"; }

// Define a timer variable clock_t ticks;

// Define a binary search tree to hold all bids BinarySearchTree* bst;

Bid bid;

int choice = 0; while (choice != 9) { cout << "Menu:" << endl; cout << " 1. Load Bids" << endl; cout << " 2. Display All Bids" << endl; cout << " 3. Find Bid" << endl; cout << " 4. Remove Bid" << endl; cout << " 9. Exit" << endl; cout << "Enter choice: "; cin >> choice;

switch (choice) {

case 1: bst = new BinarySearchTree();

// Initialize a timer variable before loading bids ticks = clock();

// Complete the method call to load the bids loadBids(csvPath, bst);

//cout << bst->Size() << " bids read" << endl;

// Calculate elapsed time and display result ticks = clock() - ticks; // current clock ticks minus starting clock ticks cout << "time: " << ticks << " clock ticks" << endl; cout << "time: " << ticks * 1.0 / CLOCKS_PER_SEC << " seconds" << endl; break;

case 2: bst->InOrder(); break;

case 3: ticks = clock();

bid = bst->Search(bidKey);

ticks = clock() - ticks; // current clock ticks minus starting clock ticks

if (!bid.bidId.empty()) { displayBid(bid); } else { cout << "Bid Id " << bidKey << " not found." << endl; }

cout << "time: " << ticks << " clock ticks" << endl; cout << "time: " << ticks * 1.0 / CLOCKS_PER_SEC << " seconds" << endl;

break;

case 4: bst->Remove(bidKey); break; } }

cout << "Good bye." << endl;

return 0; }