I cant figure out why I am getting these class erros....can someone help..I know this alot of code here but I would appreciate any kind of help. here are my errors:
grocery.h fileCode:Compiling... checkout.cpp c:\unzipped\13sep\grocery.h(28) : error C2629: unexpected 'class Grocery (' c:\unzipped\13sep\grocery.h(28) : error C2334: unexpected token(s) preceding '{'; skipping apparent function body c:\unzipped\13sep\grocery.h(32) : error C2061: syntax error : identifier 'istream' c:\unzipped\13sep\grocery.h(33) : error C2061: syntax error : identifier 'ostream' c:\unzipped\13sep\grocery.h(37) : error C2146: syntax error : missing ';' before identifier 'Description' c:\unzipped\13sep\grocery.h(37) : error C2433: 'string' : 'inline' not permitted on data declarations c:\unzipped\13sep\grocery.h(37) : error C2501: 'string' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(37) : warning C4183: 'Description': member function definition looks like a ctor, but name does not match enclosing class c:\unzipped\13sep\grocery.h(48) : error C2146: syntax error : missing ';' before identifier 'description' c:\unzipped\13sep\grocery.h(48) : error C2501: 'string' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(48) : error C2501: 'description' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(61) : error C2061: syntax error : identifier 'ostream' c:\unzipped\13sep\checkout.cpp(29) : error C2660: 'ReadGrocery' : function does not take 1 parameters c:\unzipped\13sep\checkout.cpp(36) : error C2660: 'WriteStock' : function does not take 1 parameters c:\unzipped\13sep\checkout.cpp(37) : error C2660: 'WriteStock' : function does not take 1 parameters c:\unzipped\13sep\checkout.cpp(73) : error C2440: 'initializing' : cannot convert from 'int' to 'class std::basic_string,class std::allocator >' No constructor could take the source type, or constructor overload resolution was ambiguous c:\unzipped\13sep\checkout.cpp(111) : warning C4508: 'main' : function should return a value; 'void' return type assumed grocery.cpp c:\unzipped\13sep\grocery.h(28) : error C2629: unexpected 'class Grocery (' c:\unzipped\13sep\grocery.h(28) : error C2334: unexpected token(s) preceding '{'; skipping apparent function body c:\unzipped\13sep\grocery.h(32) : error C2061: syntax error : identifier 'istream' c:\unzipped\13sep\grocery.h(33) : error C2061: syntax error : identifier 'ostream' c:\unzipped\13sep\grocery.h(37) : error C2146: syntax error : missing ';' before identifier 'Description' c:\unzipped\13sep\grocery.h(37) : error C2433: 'string' : 'inline' not permitted on data declarations c:\unzipped\13sep\grocery.h(37) : error C2501: 'string' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(37) : warning C4183: 'Description': member function definition looks like a ctor, but name does not match enclosing class c:\unzipped\13sep\grocery.h(48) : error C2146: syntax error : missing ';' before identifier 'description' c:\unzipped\13sep\grocery.h(48) : error C2501: 'string' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(48) : error C2501: 'description' : missing storage-class or type specifiers c:\unzipped\13sep\grocery.h(61) : error C2061: syntax error : identifier 'ostream' c:\unzipped\13sep\grocery.cpp(21) : error C2511: 'ReadGrocery' : overloaded member function 'void (class std::basic_istream > &)' not found in 'Grocery' c:\unzipped\13sep\grocery.h(21) : see declaration of 'Grocery' c:\unzipped\13sep\grocery.cpp(28) : error C2511: 'WriteGrocery' : overloaded member function 'void (class std::basic_ostream > &)' not found in 'Grocery' c:\unzipped\13sep\grocery.h(21) : see declaration of 'Grocery' c:\unzipped\13sep\grocery.cpp(81) : error C2511: 'WriteStock' : overloaded member function 'void (class std::basic_ostream > &)' not found in 'Stockroom' c:\unzipped\13sep\grocery.h(55) : see declaration of 'Stockroom' Error executing cl.exe.
grocery.cpp fileCode:#ifndef GROCERYH #define GROCERYH #include <iostream> #include <fstream> #include <string> const double TAXRATE = 0.075; // Item in grocery inventory class Grocery { public: // Constructors //Grocery ( ) : product(-1), description(""), price(0.0), taxable(' ') { } Grocery ( ) { } //Grocery ( int prod, string desc, double cost, char tax ) : // product(prod), description(desc), price(cost), taxable(tax) { } Grocery ( int prod, string desc, double cost, char tax ) { product = prod; description = desc; price = cost; taxable = tax; } // Input/output void ReadGrocery ( istream& in ); void WriteGrocery ( ostream& out ); // Access functions inline int Product ( ) { return(product); } inline string Description ( ) { return(description); } inline double Price ( ) { return(price); } inline char Taxable ( ) { return(taxable); } // Calculations inline double Sale ( int quantity ) { return(price * quantity); } inline double Tax ( int quantity ) { return(taxable != 'T' ? 0.00 : Sale(quantity) * TAXRATE); } private: int product; // product code string description; // description double price; // unit price char taxable; // T = Taxable, N = Non-taxable }; // Grocery stockroom (all inventory) class Stockroom { public: // Constructor Stockroom (int shelves); // Output void WriteStock ( ostream& out ); // Enter food into stock bool BuyStock (Grocery food); // Search for prod. Grocery* GroceryClerk (int prod); private: Grocery *pantry; // groceries in stock int groceries, // # groceries in stock stockshelves; // max. groceries in stock }; #endif
checkout.cppCode:#include <iostream> #include <iomanip> #include <string> #include "grocery.h" using namespace std; // Grocery // Input Grocery from in. void Grocery::ReadGrocery ( istream& in ) { in >> product >> description >> price >> taxable; char eol; in >> eol; in.unget(); // Position after eol. } // Output Grocery to out. void Grocery::WriteGrocery ( ostream& out ) { out << setiosflags(ios::fixed) << setiosflags(ios::showpoint); out.precision(2); // 2 decimals string desc = description; int descblanks = 12 - desc.length() + 1; for (int d = 0; d < descblanks; d++) desc += ' '; out << setw(5) << product << " " << desc << setw(4) << price << " " << taxable; } // Stockroom // A Stockroom for shelves items Stockroom::Stockroom (int shelves) { pantry = new Grocery[shelves]; stockshelves = shelves; groceries = 0; } // BuyStock: Include Grocery in Stockroom // Returns true if food added to stock; false otherwise bool Stockroom::BuyStock (Grocery food) { if ((groceries+1) >= stockshelves) return(false); for (int g = 0; g < groceries; g++) if (food.Product() < pantry[g].Product()) { for (int g1 = groceries++; g1 >= g; g1--) pantry[g1+1] = pantry[g1]; pantry[g] = food; return(true); } else if (food.Product() == pantry[g].Product()) return(true); pantry[groceries++] = food; return(true); } // GroceryClerk: Search Stockroom for prod // Returns: Grocery* except NULL when prod not in inventory Grocery* Stockroom::GroceryClerk (int prod) { int low = 0; int high = groceries-1; while (low <= high) { int mid = (low + high) / 2; if (pantry[mid].Product() == prod) return(&pantry[mid]); if (pantry[mid].Product() < prod) low = mid + 1; else high = mid - 1; } return(NULL); } // Output all items in Stockroom to out. void Stockroom::WriteStock ( ostream& out ) { for (int g = 0; g < groceries; g++) { pantry[g].WriteGrocery(out); out << endl; } out << endl; }
Code:#include <iostream> #include <fstream> #include <iomanip> #include <string> #include "grocery.h" using namespace std; const int STOCKROOM = 30; // Max. items in inventory const char *INVENT = "Invent.in"; // inventory file const char *RECEIPTS = "Receipts.out"; // file of receipts int main ( ) { Stockroom stockroom(30); ifstream invent(INVENT); // Read inventory while (!invent.eof()) { Grocery food; food.ReadGrocery(invent); if (stockroom.BuyStock(food)) continue; cerr << "Stockroom is full!" << endl; exit(-1); } ofstream receipts(RECEIPTS); stockroom.WriteStock(receipts); // List inventory on receipt stockroom.WriteStock(cout); // and onto screen int customer = 1; string more; do { double bought(0.00), tax(0.00); receipts << endl << "Customer " << customer << endl; cout << "Enter purchases for customer " << customer++ << endl << "Enter product code 0 to end purchases." << endl << endl; cout << setiosflags(ios::fixed) << setiosflags(ios::showpoint); cout.precision(2); receipts << setiosflags(ios::fixed) << setiosflags(ios::showpoint); receipts.precision(2); int prod, quantity; do { //cout << "Enter product code and quantity: "; cin >> prod; if (prod > 0) { Grocery *product = stockroom.GroceryClerk(prod); cin >> quantity; if (product == NULL) { // product not found? receipts << "*** item " << prod << " not in inventory ***" << endl; cout << "*** item " << prod << " not in inventory ***" << endl; } else if ((quantity < 1) || (10 < quantity)) { receipts << "*** " << quantity << " of item " << prod << " are not for sale ***" << endl; cout << "*** " << quantity << " of item " << prod << " are not for sale ***" << endl; } else { // sale bought += product->Sale(quantity); tax += product->Tax(quantity); string desc = product->Description(); int descblanks = 12 - desc.length() + 1; for (int d = 0; d < descblanks; d++) desc += ' '; receipts << desc << setw(2) << quantity << " @ " << setw(4) << product->Price() << setw(6) << product->Sale(quantity) << (product->Tax(quantity) > 0.00 ? " TX" : " ") << endl; /* cout << desc << setw(2) << quantity << " @ " << setw(4) << product->Price() << setw(6) << product->Sale(quantity) << (product->Tax(quantity) > 0.00 ? " TX" : " ") << endl; */ } } } while (prod != 0); if (bought > 0.00) { // bought anything? receipts << endl << " Subtotal " << setw(5) << bought << endl << " Tax " << setw(5) << tax << endl << endl << " Total " << setw(5) << (bought + tax) << endl << endl; /* cout << endl << " Subtotal " << setw(5) << bought << endl << " Tax " << setw(5) << tax << endl << endl << " Total " << setw(5) << (bought + tax) << endl << endl; */ } cout << "Is there another customer? (Y/N) "; cin >> more; } while (more == "Y"); if (more == "N") cout << "Close the store for the night. Bye." << endl; }
