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;

  if (phrase == "") {
    repetition = 0;
    return repetition;
  }


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


/*
  receives a string and returns whether it has both at least one upper-case
  letter and at least one lower-case letter
*/
bool Password::has_mixed_case(string pass){
  int length = pass.length();

  if (length == 0) {
    return false;
  }

  for (int i = 0; i < length; i++){

    if (isupper(pass.at(i))){
      if(islower(pass.at(i+1))){
        return true;
      }
    }

    if (islower(pass.at(i))){
      if(isupper(pass.at(i+1))){
        return true;
      }
    }


  }

  return false;
}