int PPMFile::LoadHeader(fstream& file) {
string tmp;
//Wczytanie 1 linijki - system zapisu
getline(file, tmp);
if (tmp != "P6") {
err = 2;
return -1;
}
//Wczytanie 2 linijki - komentarz/rozmiar
getline(file, tmp);
if ( tmp[0] == '#') //jeœli '#' to linijka jest komentarzem, jesli nie to danymi
getline(file, tmp);
//Rozdzielenie szerokosci i wysokosci obrazu
stringstream strum(tmp);
strum >> width;
strum >> high;
//Wczytanie maxa
getline(file, tmp);
strum = stringstream(tmp);
strum >> max;
//Zwrot rozmiaru naglowka
int leng = file.tellp();
return leng;
}
void student::pack(int mode)
{
char *buffer= new char[maxlen*2];
int disp;
strcpy(buffer,usn);
strcat(buffer,"|");
strcat(buffer,name);
strcat(buffer,"|");
strcat(buffer,sem);
strcat(buffer,"|");
strcat(buffer,dept);
strcat(buffer,"\n");
if(!mode)
{
f.open(file, ios::out|ios::app);
f.seekp(0,ios::end);
disp = f.tellp();
}
f<<buffer;
f.close();
if(!mode)
{
pdx.open(pindex,ios::out|ios::app);
pdx<<usn<<"\t"<<disp<<endl;
pdx.close();
sdx.open(sindex,ios::out|ios::app);
sdx<<name<<"\t"<<usn<<endl;
sdx.close();
}
}
int search(string key)
{
int pos,flag=0;
f1.open("file.txt",ios::in);
while(!f1.eof())
{
pos=f1.tellp();
unpack();
if(usn==key)
{
flag=1;
return pos;
}
if(flag==0)
cout<<"not there";
}
return flag;
}
void search(string key)
{
int flag=0;
f1.open("file.txt",ios::in);
while(!f1.eof())
{
getline(f1,buffer);
pos=f1.tellp();
unpack();
if(usn==key)
{
flag=1;
cout<<"search successfull\n"<<pos;
}
}
if(flag==0)
cout<<"unsuccessfull search";
}
int student::search(string key)
{
int flag=0,pos;
f1.open("data.txt",ios::in);
while(!f1.eof())
{
getline(f1,buffer);
unpack();
if(key==usn)
{
cout<<"Record Found"<<endl;
pos=f1.tellp();
cout<<"Buffer is "<<buffer<<endl;
f1.close();
return pos;
}
}
cout<<"Record not found"<<endl;
f1.close();
}
