YouTube feliratok automatikus fordítása

Get YouTube automatically generated subtitles:

#include<iostream>
#include<fstream>
#include<cstring>
#include<cmath>
#include<dirent.h>
using namespace std;

struct content
{
 string strTime;
 string text;
};

struct Time
{
 int h;
 int m;
 int s;
 int ms;
 int tms;
};

content getNext(ifstream &fin);
string &nextch(ifstream &fin, string &test, int length);
Time str2time(string t);
void showTime(Time, ofstream &fout);
void convert(ofstream &fout, ifstream &fin, content A, int line);

int main()
{
 dirent *ep;
 DIR *dp;
 dp = opendir("./");
 ep = readdir(dp);
 while (ep != NULL)
 {
  string name = ep->d_name;
  if (name.find(".txt") != string::npos)
  {
   ifstream fin;
   fin.open(&name[0]);
   content test = getNext(fin);
   if (test.strTime.size() > 0)
   {
    string oname = string(&(name[0]), name.size() - 4)
        + ".YTBCC_eng.srt";
    ofstream fout;
    fout.open(&oname[0]);
    convert(fout, fin, test, 1);
    fout.close();
   }
   fin.close();
  }
  ep = readdir(dp);
 }
}

void convert(ofstream &fout, ifstream &fin, content A, int line)
{
 content N = getNext(fin);
 if (N.strTime.size() > 0)
 {

  Time F = str2time(A.strTime);
  Time L = str2time(N.strTime);
  if (F.tms + 10000 >= L.tms)
  {
   fout << line << endl;
   showTime(F, fout);
   fout << " --> ";
   showTime(L, fout);
   fout << endl;
   fout << A.text << endl << endl;
  }
  else
  {
   fout << line << endl;
   showTime(F, fout);
   fout << " --> ";
   Time temp;
   temp.tms = F.tms + 10000;  //limit 10 seconds per line
   temp.h = temp.tms / 3600000;
   temp.m = (temp.tms - temp.h * 3600000) / 60000;
   temp.s = (temp.tms - temp.h * 3600000 - temp.m * 60000) / 1000;
   temp.ms = F.ms;
   showTime(temp, fout);
   fout << endl;
   fout << A.text << endl << endl;
  }
  convert(fout, fin, N, line + 1);
 }
 else
 {
  fout << line << endl;
  Time Pr = str2time(A.strTime);
  showTime(Pr, fout);
  fout << " --> ";
  Time Ne;
  Ne.ms = Pr.ms;
  int all_t = Pr.h * 3600 + Pr.m * 60 + Pr.s + 6;
  Ne.h = all_t / 3600;
  Ne.m = (all_t - Ne.h * 3600) / 60;
  Ne.s = all_t - Ne.h * 3600 - Ne.m * 60;
  showTime(Ne, fout);
  fout << endl;
  fout << A.text << endl;
 }
}

content getNext(ifstream &fin)
{
 string strTime, text;
 string keyTime = "data-time=\"";
 string keyText = "<div class=\"caption-line-text\">";
 int size_ktime = keyTime.size();
 int size_ktext = keyText.size();
 bool jud = 1; //judge if our time and text are
               //contained in txt file
               //1 == be not contained
 string test;
 //get strTime
 test = nextch(fin, test, size_ktime);
 if (test != "\0")
 {
  do
  {
   if (test == keyTime)
   {
    jud = 0;
    break;
   }
   else
    test = nextch(fin, test, size_ktime);
  }while (test != "\0");
  if (jud)
   return {"\0", "\0"};
  else
  {
   char ch = fin.get();
   while(ch != '\"')
   {
    strTime = strTime + ch;
    ch = fin.get();
   }
   //ensure the form of strTime is XXX.XXX
   jud = 1;//here jud = 1 means that the form is XXX,no '.'
   for (int i = 0; i < strTime.size(); i++)
   {
    if(strTime[i] == '.')
    {
     jud = 0;
     break;
    }
   }
   if (jud)
    strTime = strTime + ".0";
  }
 }
 else
  return {"\0", "\0"};
 //get text
 jud = 1;
 test = string();
 test = nextch(fin, test, size_ktext);
 if (test != "\0")
 {
  do
  {
   if (test == keyText)
   {
    jud = 0;
    break;
   }
   else
    test = nextch(fin, test, size_ktext);
  } while (test != "\0");
  if (jud)
   return {"\0", "\0"};
  else
  {
   char ch = fin.get();
   while (ch != '<')
   {
    text = text + ch;
    ch = fin.get();
   }
  }
 }
 else
  return {"\0", "\0"};

 return {strTime, text};
}

string &nextch(ifstream &fin, string &test, int length)
{
 int n = test.size();
 if(n > 0)
 {
  char ch = fin.get();
  if (!fin.eof())
  {
   for (int i = 0; i < n - 1; i++)
    test[i] = test[i + 1];

   test[n - 1] = ch;
   return test;
  }
  else
  {
   test = "\0";
   return test;
  }
 }
 else
 {
  char ch = fin.get();
  for (int i = 0; i < length; i++)
  {
   if (!fin.eof())
   {
    test = test + ch;
    if (i < length - 1)
     ch = fin.get();
   }
   else
   {
    test = "\0";
    return test;
   }
  }
  return test;
 }
}

Time str2time(string t)
{
 int k = 0;
 while (t[k] != '.')
 {
  k++;
 }
 int h, m, s, ms, tms, time;
 time = 0;
 for (int i = 0; i < k; i++)
 {
  time = time + (t[i] - 48) * int(pow(10.0, k - i - 1));
 }
 h = time / 3600;
 m = (time - h * 3600) / 60;
 s = time - h * 3600 - m * 60;
 ms = 0;
 int length = t.size();
 for (int i = k + 1; i < length; i++)
  ms = ms + (t[i] - 48) * int(pow(10.0, 3 - i + k));
 tms = time * 1000 + ms;
 Time E = {h, m, s, ms, tms};
 return E;
}

void showTime(Time T, ofstream &fout)
{
 if (T.h < 10)
  fout << "0" << T.h;
 else
  fout << T.h;

 fout << ":";

 if (T.m < 10)
  fout << "0" << T.m;
 else
  fout << T.m;

 fout << ":";

 if (T.s < 10)
  fout << "0" << T.s;
 else
  fout << T.s;

 if (T.ms == 0)
  fout << ",000";
 else
 {
  fout << ",";
  if (T.ms < 10)
   fout << "00" << T.ms;
  else if (T.ms < 100)
   fout << "0" << T.ms;
  else fout << T.ms;
 }
}

https://code.google.com/p/youtube-subtitles-download/