#ifndef __CM_SSTREAM__
#define __CM_SSTREAM__

#ifndef MSVC

#include <string>
#include <cstdio>
#include <strstream>
#include <algorithm>

namespace std {

class ostringstream
{
public:
    ostringstream (const string & str = "")
        : buffer(str) {}

    const string & str() const
    {
        return buffer;
    }

    void str (const string & new_string)
    {
        buffer = new_string;
    }

    ostringstream & operator<< (const string & item)
    {
        buffer += item;

        return *this;
    }

    ostringstream & operator<< (int item)
    {
        char temp[100];

        sprintf (temp, "%d", item);
        buffer += temp;

        return *this;
    }

    ostringstream & operator<< (unsigned int item)
    {
        char temp[100];

        sprintf (temp, "%u", item);
        buffer += temp;

        return *this;
    }

    ostringstream & operator<< (char item)
    {
        buffer += item;
        return *this;
    }

    ostringstream & operator<< (double item)
    {
        char temp[1000];

        sprintf (temp, "%g", item);
        buffer += temp;

        return *this;
    }

private:
    string buffer;
};



class istringstream
{
    friend istringstream & getline (istringstream &, string &, char = '\n');

public:
    istringstream (const string & str = "")
        : buffer (str.c_str(), str.length()) {}

    template <class T>
    istringstream & operator>> (T & item)
    {
        buffer >> item;
        return *this;
    }

    operator void * () const
    {
        return (void *) buffer;
    }

private:
    istrstream buffer;
};


inline istringstream & getline (istringstream & src_stream, string & str, char separator)
{
    getline (src_stream.buffer, str, separator);
    return src_stream;
}

}   // End of namespace std

#endif

#endif