/*
 * streams.cpp
 *
 *  Created on: 03.10.2013
 *      Author: trifon
 */

#include <iostream>
#include <strstream>
#include <iomanip>
using namespace std;

int main1() {
	int a,b,c;
	istrstream is("1 2 3");
	// лошо:
	// istream& cin = is;
	cout << "Peek! " << cin.peek() << endl;
	cout << "Now I will input a: ";
	cin >> a;
	cout << a << endl;
	cin >> b;
	cout << b << endl;
	cin >> c;
	cerr << c << endl;

	// !!!!
	int d[10] = { 65, 66, 67, 68, 69 };
	// cout.write((char const*)d, 20);
	for(int i = 0; i < 5; i++)
		cout << d[i] << ' ';

	// cin.get((char&)d[0]);
	cin.read((char*)d, 2 * sizeof(int));
	cout << endl << d[0] << endl << d[1] << endl;
	// !!!

}

ostream& my_strange_manipulator(ostream& os) {
	os << setfill('.') << hex;
	os.width(10);
	os.setf(ios::internal | ios::showbase);
	return os;
}

int main() {
	int x = -1;
	cout << "Моля, въведете x: ";
	cin >> x;
	if (cin) {
		cout << "Всичко е наред!\n";
	} else {
		do {
			cout << "Не сте въвели число!\n";
			cout << "Потокът е във състояние: " <<
					cin.rdstate() << endl;
			char tmp[10];
			int gc;
			do {
				cin.clear();
				cin.get(tmp, 10);
				gc = cin.gcount();
				cout << "Прочетени: " << gc << endl;
			} while (gc == 9);
			// (как да решим въпроса при точно 9 въведени символа?

			cout << "Моля, въведете отново: ";
			cin >> x;
		} while (!cin);
	}

	cout << "Good = " << cin.good() << endl;
	cout << "EOF = " << cin.eof() << endl;
	cout << "Fail = " << cin.fail() << endl;
	cout << "Bad = " << cin.bad() << endl;

	cout << "Въведохте " << x << endl;

/*
	cout.precision(5);
	cout.width(10);
	cout.fill('x');*/
	cout << setprecision(15) <<
			setw(10) << setfill('x') <<
			1.2345678 << endl;

	cout << 100.0 << setiosflags(ios::fixed) << endl << 100.0;
	cout << resetiosflags(ios::fixed) <<
			setiosflags(ios::scientific) << endl << 100.0 << endl;

	cout << setfill('.');
	cout << hex << setiosflags(ios::internal | ios::showbase) << setw(10)
			<< 100 << endl;

	cout << my_strange_manipulator << 100 << endl;

	return 0;
}