Password.cpp

#include "Password.h"
#include <string>

using std::string;

/*
  The function receives a string counts how many times the same character
  occurs at the beginning of the string, before any other characters (or the
  end of the string). The function is case-sensitive so 'Z' is different than
  'z' and any ASCII characters are allowed.
*/
int Password::count_leading_characters(string phrase)
{
  int repetition = 1;
  int index = 0;

  while (index < phrase.length() - 1 && phrase[index] == phrase[index + 1])
  {
    repetition++;
    index++;
  }
  return repetition;
}

bool Password::has_mixed_case(string str)
{
  if (str == "")
  {
    return false;
  }
  bool lc = false;
  bool uc = false;
  for (int i = 0; i < str.size(); i++)
  {
    if (str[i] >= 'A' && str[i] <= 'Z')
    {
      uc = true;
    }
    if (str[i] >= 'a' && str[i] <= 'z')
    {
      lc = true;
    }
  }
  return (lc && uc);
}