unsigned char toLower(unsigned char c)
{
if(isUppercase(c))
return c + 32;
return c;
}
bool handleInsertBetween(char c, char r, generic_stack* output) {
char temp;
char iter;
if (r <= c) {
printf("Cannot insert between %c and %c\n", c, r);
return false;
}
if ((isUppercase(c) && isUppercase(r)) || (isLowercase(c) && isLowercase(r)) || (isNumeric(c) && isNumeric(r))) {
for (iter = c; iter <= r; iter++) {
stackPush(output, &iter);
if (iter != r) {
temp = '|';
stackPush(output, &temp);
}
}
return true;
}
return false;
}
// Checks if a character is an English letter or not, regardless of case.
bool isLetter(char testChar)
{
return (isUppercase(testChar) || isLowercase(testChar));
}
bool isLetter(unsigned char c)
{
return isLowercase(c) || isUppercase(c);
}
