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#include <iostream> // I/O basico (left, right, hex, oct, [no]uppercase, showbase)
#include <iomanip> // manipuladores (setw, setprecision, setfill)
#include <iostream>
#include <cstring>
#include "fun.h"
#define MAXLEN 100
using namespace std;
void leer_datos_escribir_reporte(std::istream& in, std::ostream& out) {
int sum_qty;
double sum_price; // (price * qty)
char code[MAXLEN];
char book_name[MAXLEN];
char author_name[MAXLEN];
int qty;
double unit_price;
char c; // dummy
sum_qty = 0;
sum_price = 0.0;
print_header(out);
int i;
for (i = 0; true; i++) {
// read
in.getline(code, MAXLEN, ',');
in.getline(book_name, MAXLEN, ',');
in.getline(author_name, MAXLEN, ',');
in >> qty;
in >> c;
in >> unit_price;
in.ignore(MAXLEN, '\n');
if (!in) {
break;
}
// process
to_upper_cstring_inplace(book_name);
sum_qty += qty;
sum_price += qty * unit_price;
// write
out << setw(2) << right << setfill('0') << i + 1 << ") ";
out << left << setfill(' ');
out << setw(8) << code;
out << setw(32) << uppercase << book_name;
out << setw(32) << author_name;
out << right << setprecision(2) << fixed;
out << setw(4) << qty;
out << setw(4) << ' ';
out << setw(8) << unit_price;
out << '\n';
}
out << "\n\n";
out << "Total cantidad libros: " << sum_qty << '\n';
out << "Total valor libros: " << sum_price << '\n';
}
void print_header(ostream& out) {
// 8 32 32 4 8
out << "No. Codigo Nombre Autor Cant. Precio \n";
out << "----------------------------------------------------------------------------------------------\n";
}
void to_upper_cstring_inplace(char * s) {
int i;
for (i = 0; s[i] != '\0'; i++) {
s[i] = toupper(s[i]);
}
}
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