How to use strings in a function?

None of my string is coming out onto my output file.. I'm not sure what's wrong with the function. HELP!

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void OutputHeading (ofstream& fout, string CLASS_EXERCISE, 
	                string PROGRAMMERS_NAME);

void OutputDivider (ofstream& fout, int WIDTH, 
	                char symbol);

void OpenFiles (ofstream& fout, ifstream& fin);

int main (void)
{
	int stringLength;

	ifstream fin;
	ofstream fout;

	string fileName;
	string sentence;

	int lineOfData;
	int numberOfAs;
	int countOfVowels;
	int countOfBlanks;
	int lengthOfSentence;
	int totalNumberOfLines;
	int totalLength;

	char ch;

	//Output a divider to the output file
	OutputDivider ( fout, WIDTH, '-');

	//Opens the data files
	void OpenFiles (ofstream& fout, ifstream& fin);

	//Determine if the input file is empty or doesn't exist
	if (!fin)
	{
		//Set the message
		fout << "The input file" << right << setw(2) << 
			"is empty or does not exist." << endl;
	}
	else
	{
		//Read the sentence from input file
		getline (fin,sentence);
		
		if (fin)
			{
				//Set the message
				fout <<"Processing continues, the input file" << right <<
					setw(7) << "Lines.txt" << setw(3) << 
					"was successfully opened." << endl;
			}	
	}

	//Output divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Insert blank line
	fout << endl;

	//Output a divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Output Heading to the file
	void OutputHeading (ofstream& fout, string CLASS_EXERCISE, 
		                string PROGRAMMERS_NAME);

	//Output a divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Output column headings to the file
	fout << left << "Line" << right << setw(48) << "Length" << right << 
		setw(15) << "# of Vowels" << right << setw(11) << "# of As" << 
		right << setw(15) << "# of Blanks" << endl;

	//Output a divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Initialize the counters
	lengthOfSentence = 0;
	totalNumberOfLines = 0;
	totalLength = 0;

	//Determine the counters for all three
	while (fin)
	{
		//Determine the length of the sentence
		lengthOfSentence = sentence.length();

		//Initialize the counters
		countOfVowels = 0;
		countOfBlanks = 0;
		numberOfAs = 0;

		//Determine which are vowels, blanks, or As
		for (lineOfData = 0;  lineOfData < lengthOfSentence; lineOfData++)
		{
			ch = sentence.at(lineOfData);
			ch = tolower(ch);

			switch(ch)
			{
				//Determine which counter
				case 'a': 
					numberOfAs++;
					countOfVowels++;
					break;
				case 'e':
					countOfVowels++;
					break;
				case 'I':
					countOfVowels++;
					break;
				case 'i':
					countOfVowels++;
					break;
				case 'o':
					countOfVowels++;
					break;
				case 'u':
					countOfVowels++;
					break;
				case '/n':
					countOfBlanks++;
					break;
				default:
					break;
			}
		}

		//Output the line of data 
		fout << sentence << setw(28) << lengthOfSentence << setw(13) << 
			countOfVowels << setw(12) << numberOfAs << setw(12) <<
			countOfBlanks << endl;

		//Read line of sentence from input file
		getline(fin,sentence);

		//Accumulate the total length of sentences
		totalLength += lengthOfSentence;

		//Accumulate total number of lines
		totalNumberOfLines = 7;
	}
	
	//Output a divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Output the totals
	fout << left <<  "Totals" << right << setw(45) << totalLength << right <<
		setw(13) << numberOfAs << endl;

	//Output a divider to the file
	OutputDivider ( fout, WIDTH, '-');

	//Output the number of lines processed
	fout << left << "The number of lines is ----------------------->" <<
		right << setw(2) << totalNumberOfLines << endl;

	//Close output file
	fout.close();
	
	//Close the input file
	fin.close();

	return 0;
}
//-----------------------------------------------------------------------------
//OutputHeading - print the heading to the output file
//-----------------------------------------------------------------------------
void OutputHeading (ofstream& fout, string CLASS_EXERCISE, string PROGRAMMERS_NAME)
{
	int stringLength;
	//Calculate the centering print for the heading
	stringLength = (WIDTH + CLASS_EXERCISE.length())/2;

	//Output centered print for the heading
	fout << setw(stringLength) << CLASS_EXERCISE << endl;

	//Calculate the centering print for the heading
	stringLength = (WIDTH + PROGRAMMERS_NAME.length())/2;

	//Output centered print for the heading
	fout << setw(stringLength) << PROGRAMMERS_NAME << endl;

}
//----------------------------------------------------------------------------
//OutputDivider - Outputs on the screen the symbol
//                the number of times specified by numberOfSymbols
//----------------------------------------------------------------------------
void OutputDivider (ofstream& fout, int WIDTH, 
	                char symbol)
{
	fout<< setfill(symbol) << setw(WIDTH + 1) 
		<< ' ' << setfill(' ') << endl;
}
//----------------------------------------------------------------------------
//OpenFiles - Opens the files that are being used
//            and returns them
//----------------------------------------------------------------------------
void OpenFiles (ofstream& fout, ifstream& fin)
{
	//Open data file
	fout.open("Ex4Output.txt");

	//Open data file
	fin.open("Lines.txt");

}
Last edited on
Please use code tags:
http://www.cplusplus.com/articles/jEywvCM9/

You have not provided enough information for us to find the problem. Show he entire program, or at the very least show how you open the file.
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