// This programme reads a file, works out the number of Characters, Lines, Tags and comments and prints the results on the screen.
// It will also try to create a new file and copy the contents of the existing file into the new file.
// Then it will try to convert the HTML tags to lowercase.

#include <fstream>
#include <string>
#include <cstdlib>
#include <iostream>


using namespace std;

int numCharsInFile( ifstream &in, int &numLines );    // This command should count the number of Chatacters and line in the file
int numTagsInFile ( ifstream &in, int &numComents);    // This command should count the number of Tags and Comments in the file.

string getInputFileName();
string getOutputFileName();


int main ()

{


        char c;
        int

           noChars,
        noLines,
        noTags,
        noComments,
        notemp;

        bool badfilename;


            ifstream inputFile;
        ofstream outputFile;

          string fileName;
          string newFile;


// ********************************************************************************
*************************************************

    do

    {
           fileName = getInputFileName();

        newFile = getOutputFileName();

        badfilename = (fileName == newFile);


              if (badfilename)

                   {
                     cout << "Bad File name, Please choose a different name." << endl;
                }

    }

    while (badfilename);



// ********************************************************************************
*************************************************

      // Try to open the specified file.


      inputFile.open(fileName.c_str());

      if( !inputFile.is_open() )

              {
                  cerr << "ERROR! Cannot open the the following file...: " << fileName << endl << endl;
                 exit (0);
              }

      outputFile.open(newFile. c_str());


    if (!outputFile)
    {
        cout << "Sorry, an Error occurred whilst inputting your file." <<newFile <<"\n";
        return 1;
    }

// ********************************************************************************
***************************************************

    // Print the correct outputs on screen. Characters, Lines, Tags and Comments.


      noChars = numCharsInFile( inputFile, noLines ); // To determine the number of lines and characters in the .html file
      noTags =  numTagsInFile ( inputFile, noComments ); // To count the tags and comments in the .html file.


      cout << "There are: " << noChars << " Characters in the file " << fileName << endl << endl;
      cout << "There are: " << noLines << " Lines in the file " << fileName << endl << endl;
      cout << "There are: " << noComments << " Comments in the file " << fileName << endl << endl;
      cout << "There are: " << noTags << " Tags in the file " << fileName << endl << endl;

      inputFile.close();

return 0;
}

// ********************************************************************************
****************************************************

    // Ask the programme user for the input file name.

string getInputFileName()

    {
         string currentfileName;

                cout << "Please enter the file name including the file path: " << endl;
            cin >> currentfileName;
            cout << endl;

          return currentfileName;
    }


    // Ask the programme user for the output file name.

string getOutputFileName()

    {
        string outputName;

            cout << "Please enter a name for the file you wish to create. \nIncluding the Path you where you want it to be created:" <<endl;
            cin >>outputName;
            cout << endl;

           return outputName;
    }


// ********************************************************************************
******************************************************


int numCharsInFile( ifstream &in, int &numberLines )

    {
           int numberChars = 0;
          char cholder; // This is my character holder;

          numberLines = 0; // Re-set the number of lines to zero, this is important for accuracy reasons.

        while (in.get(cholder))

            {

                 if (cholder != ' ')

            {

              if(cholder != '\n')

                    {
                        numberChars++; // If character holder is = to \n and not a blank space then increase the character count by one.
                    }

              else

                    {
                          numberLines++;     // Increase the number of lines by one if \n
                    }
     }

               }
                numberLines += 1;
                return numberChars;
             }


// ********************************************************************************
****************************************************

int numTagsInFile ( ifstream &in, int &numberComments)

{

          in.clear();
          in.seekg(0, ios_base::beg);

          int numberTags =0;
          numberComments =0;

          char cholder;



          while (in.get(cholder))

    {

          if ( cholder == '<')

            {

              if( cholder != '!')

                       {
                         numberTags++;
                    }


            }

                 else if (cholder == '!')

                    {
                         numberComments++;
                    }
    }



        return numberTags;
}

// ********************************************************************************
*****************************************************

{
        char str[2000];
        fstream file_op("fileName",ios::in);
        while(!file_op.eof())
        {
              file_op.getline(str,2000);
              cout <<str;
        }         file_op.close();
        cout <<endl;

        return 0;
    }  

open file
while file pointer is not at end of file
start
    read a line from file
    output line
    close file
end

open file for reading
if file was successfully opened
start
    while we can read line from file
    start
        output line
    end
    close file
end