// przeciazadnie1zadanie2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <conio.h>
#include <malloc.h>
#include <string.h>

class DynString {
char* string;
int linia;

public:
DynString (DynString &dyn);
DynString (char* lancuch);
const char* CStr ();
const int Size ();
void operator += (char *lancuch);
void operator ! ();
int ZwrocLinie();

};
/////////////////////////////////////

DynString::DynString (char* lancuch)
{
int dlugosc;
dlugosc=strlen(lancuch);

	string = (char*)malloc ( (dlugosc + 1)*sizeof(char) );
	if (string !=NULL)
	{
		strcpy (string,lancuch);
	}
}

const char* DynString::CStr () 
{
return string;
}

const int DynString::Size ()
{
	return strlen(string);
}

DynString::DynString (DynString &dyn)
{
	string = (char*)malloc( ( strlen(dyn.string) + 1)*sizeof(char));
        if(string != NULL)
        {
                strcpy(string, dyn.string);
        }
}


void DynString::operator+= (char* lancuch)
{
	int ilosc = strlen	(lancuch) + strlen (string) + 1;
	int starailosc = strlen (string);
    char * oldstring;
    
	oldstring=string;

	string = (char*) realloc (string, ilosc);
	if (string != NULL)
 	{
        strcpy(string, oldstring);
		char *ptr = string;

		ptr += strlen(string);
        strcpy(ptr, lancuch);
	}

}

void DynString::operator! ()
{
strupr (string);
}

int DynString::ZwrocLinie ()
{
return linia;
}

int _tmain(int argc, _TCHAR* argv[])
{
		DynString napis("Napis testowy.");
        printf("Napis: %s\n", napis.CStr());
        printf("Znakow: %i\n", napis.Size());
 
        DynString kopia = napis;
        printf("Kopia: %s\n", kopia.CStr());
        printf("Znakow: %i\n", kopia.Size());
 
		kopia += " - pierwszy fragment -";
        kopia += " drugi fragment.";

        printf("Napis %s\n", napis.CStr());
        printf("Znakow: %i\n", napis.Size());
        printf("Kopia %s\n", kopia.CStr());
        printf("Znakow: %i\n", kopia.Size());
 
        !napis;
        printf("Napis %s\n", napis.CStr());
        printf("\nKoniec.");


printf (" //////////////////////////////////////////////////////// \n");

		DynString napis3("Napis testowy.");

		printf ("linia nr [%d] - ",napis.ZwrocLinie() );
		printf("Napis: %s\n", napis.CStr());
        printf("Znakow: %i\n", napis.Size());
		

	_getch();
	return 0;
}