gistfile1.hpp

#include <iostream>
#include <fstream>

using namespace std;

int main()
{
   const int LENGTH = 81;
   ifstream inFile;
   fstream outFile("C:\\red.txt", ios::in);
   if (!outFile)
   {
        cout << "Cannot open file";
        return 0;
   }

   char source[LENGTH];


   //test each line until end of file
   int testNumber = 0;
   char finalNum[LENGTH];
   while (!outFile.eof())
   {
           register int tempIndex = 0;
           outFile.getline(source, LENGTH, '\n');
           testNumber = 0;
           for (; source[tempIndex] != '\n' && tempIndex < LENGTH; tempIndex++)
           {
               //find starting type
              if ( (source[tempIndex] == '<')
              && (source[tempIndex + 1] == 'f')
              && (source[tempIndex + 2] == 'o')
              && (source[tempIndex + 3] == 'n')
              && (source[tempIndex + 4] == 't')
              && (source[tempIndex + 5] == ' ')
              && (source[tempIndex + 6] == 'c')
              && (source[tempIndex + 7] == 'o')
              && (source[tempIndex + 8] == 'l')
              && (source[tempIndex + 9] == 'o')
              && (source[tempIndex + 10] == 'r')
              && (source[tempIndex + 11] == '=')
              && (source[tempIndex + 12] == '"' || source[tempIndex + 12] == '\'' )
              && (source[tempIndex + 13] == 'r')
              && (source[tempIndex + 14] == 'e')
              && (source[tempIndex + 15] == 'd')
              && (source[tempIndex + 16] == '"' || source[tempIndex + 16] == '\'' )
              && (source[tempIndex + 17] == '>') )
              {
                  testNumber = 1;
              }

               //if starting tag was found then, ignore whitespace
              if ( testNumber == 1 )
              {
                  tempIndex += 18;
                  for ( register int placesCount = 0; ( ( source[tempIndex] == ' '
                                                                           || source[tempIndex] == '\n'
                                                                           || source[tempIndex] == '\t'
                                                                           || source[tempIndex] == '\r'
                                                                           || source[tempIndex] == ' ' )
                                                                           || (source[tempIndex] >= '0' && source[tempIndex] <= '9') )
                                                                           && (tempIndex < LENGTH - 6); tempIndex++, placesCount++ )
                  {
                      if ( ( source[tempIndex] == ' '
                      || source[tempIndex] == '\n'
                      || source[tempIndex] == '\t'
                      || source[tempIndex] == '\r'
                      || source[tempIndex] == ' ' ))
                      {
                          tempIndex++;
                      }
                      else
                      {
                          finalNum[placesCount] = source[tempIndex];
                      }

                       //find closing tag
                      if ( source[tempIndex + 1] == '<' )
                      {
                          finalNum[placesCount + 1] = '\0';
                          tempIndex++;
                          break;
                      }//end if

                  }//end for

                  //if end tag matched then write to file
                   if ( (source[tempIndex] == '<')
                   && (source[tempIndex + 1] == '/')
                   && (source[tempIndex + 2] == 'f')
                   && (source[tempIndex + 3] == 'o')
                   && (source[tempIndex + 4] == 'n')
                   && (source[tempIndex + 5] == 't')
                   && (source[tempIndex + 6] == '>') )
                   {
                       cout << finalNum << endl; //REPLACE WITH WRITING TO FILE
                       tempIndex += 6;
                   }

              }//end if



           }//end for
            tempIndex = 0; //reset index

   }//end while

   inFile.close();
   outFile.close();
   cout << "Reading and writing of files completed.\n";
   return 0;
}