/// <summary>
/// This method is the API method invoked to get the counts of characters in string
/// </summary>
/// <param name="userString">user input String to provide character counts</param>
public static void CountCharacterInString(string userString)
{
IEnumerable <char> distinctCharactersList = ExtendedUserUtilities.GenerateDistinctCharacterList
(userString, characterOperationType);
CountCharacterOccurancesInString(distinctCharactersList, userString);
}
/// <summary>
/// This method forms the character aray to print triangle by prompting user for Start and End Characters
/// </summary>
/// <returns>returns a character array from start character to end character</returns>
internal static char[] SetCharacterArrayUsingStartEndCharacters()
{
var startCharacter = GetCharacterInput("\nPlease enter an input start character : ");
var endCharacter = GetCharacterInput("\nPlease enter an input end character : ");
UserInputValidation.ValidateStartAndEndCharacter(startCharacter, endCharacter);
var characterArray = ExtendedUserUtilities.GenerateCharacterArray(startCharacter, endCharacter);
return(characterArray);
}
/// <summary>
/// This method displays a triangular output using a character array
/// </summary>
public static void PrintTriangularOutput()
{
var reverseCharacterArray = ExtendedUserUtilities.GenerateReverseCharacterArray(CharacterArray);
Console.WriteLine("\n Below is the Output Triangle\n");
Console.Write(CharacterArray);
Console.WriteLine(reverseCharacterArray);
for (int i = CharacterArray.Length - 1, j = 0;
i >= 1 || j < reverseCharacterArray.Length - 2; i--, j++)
{
CharacterArray[i] = ' ';
Console.Write(CharacterArray);
Console.WriteLine(reverseCharacterArray);
reverseCharacterArray[j] = ' ';
}
}
internal static List <char> GetListOfCharacters(CharacterOperationType characterOperationType)
{
var userString = UserInterfaceSetupFunctions.GetUserInputString();
return(ExtendedUserUtilities.GenerateCharacterList(userString, characterOperationType));
}
