#31 (3) - Count Letters ( Match Case ).txt

#include<iostream>
#include<string>
#include<cctype>
using namespace std;

string ReadString()
{
	string Word;
	cout << "Please enter yor string ?" << endl;
	getline(cin, Word);
	return Word;
}

char ReadCharacter()
{
	char Character;
	cout << "Please enter a Character ?" << endl;
	cin >> Character;
	return Character;
}

short CountLetter(string Word, char Character, bool MatchCase = true)
{
	short Counter = 0;

	for (short i = 0;i < Word.length();i++)
	{
		if (MatchCase)
		{
			if (Word[i] == Character)
				Counter++;
		}
		else
		{
			if (tolower(Word[i]) == tolower(Character))
				Counter++;
		}
	}

	return Counter;
}

char InvertLetterCase(char Character)
{
	return isupper(Character) ? tolower(Character) : toupper(Character);
}

int main()
{
	string Word = ReadString();
	cout << endl;
	char Character = ReadCharacter();

	cout << "\nLetter \'" << Character << "\' Count = " << CountLetter(Word, Character) << endl;

	cout << "Letter \'" << Character << "\' or \'"<< InvertLetterCase(Character) <<"\' Count = " 
		<< CountLetter(Word, Character, false) << endl;
	
	return 0;
}