#include <sstream>
#include <iostream>
#include <string>
using namespace std;

int main()
{
    string string1("Have a nice day.");
    string buffer;

    istringstream sin(string1);

    // What is in the istringstream buffer?
    cout << "sin.str()=" << sin.str() << endl;

    // read from the istringstream buffer
    while (sin >> buffer)
    {
        cout << buffer << endl;
    }

    // Let's get a new istringstream buffer
    sin.str("Let's get a new istringstream buffer");
    while (sin >> buffer)
    {
        cout << buffer << endl;
    }

    // Why didn't this work?

    // after reading from the istringstream, what is the "state" of the stream?
    cout << boolalpha << "sin.eof()=" << sin.eof() << endl;
    cout << "sin.rdstate()=" << sin.rdstate()<< endl;

    // clear the eofbit
    sin.clear();
    cout << boolalpha << "sin.eof()=" << sin.eof() << endl;
    cout << "sin.rdstate()=" << sin.rdstate()<< endl;

    cout << "sin.str()="<<sin.str()<<endl;
    cout << "sin.tellg()=" << sin.tellg() << endl;

    sin >> buffer;

    cout << "buffer=" << buffer << " sin.gcount()=" << sin.gcount() << endl;

    // Why is sin.gcount()= 0?

    char cbuffer[32];
    sin.seekg(0);

    sin.read(cbuffer,4);
    cout << "sin.gcount()=" << sin.gcount() << endl;

    getline(sin,buffer);
    cout << "buffer=" << buffer << " sin.gcount()=" << sin.gcount() << endl;

    sin.seekg(0);
    sin.get(cbuffer,sizeof(cbuffer));
    cout << "cbuffer=" << buffer << " sin.gcount()=" << sin.gcount() << endl;
}