// Given a string, turn it into a bitmask word
static Word string_to_bitmask(char const *p, unsigned const word_length)
{
WordParser parser;
while (*p != '\0')
if (!parser.parse(*p++))
return 0;
return parser.result(word_length);
}
// Parse a string in the form "<word> <matched>"
static bool parse_move(string const &cmd, unsigned const word_length, Word * const wordp, unsigned * const matchedp)
{
WordParser parser;
char const *p = cmd.c_str();
for (;;) {
if (*p == '\0')
return false;
if (*p == ' ' || *p == '\t')
break;
if (!parser.parse(*p++))
return false;
}
*wordp = parser.result(word_length);
if (*wordp == 0)
return false;
while (*p == ' ' || *p == '\t')
p++;
if (!isdigit(*p))
return false;
*matchedp = static_cast<unsigned>(atoi(p));
return *matchedp <= word_length;
}