return (WORD_NOT_FOUND);
}
-static int get_special_vocab_id(const char* word)
-// Return the first special number that has 'word' as one of its words.
+static bool is_valid_int(const char *str)
+/* Returns true if the string passed in is represents a valid integer,
+ * that could then be parsed by atoi() */
{
- for (int i = 0; i < NSPECIALS; ++i) {
- for (int j = 0; j < specials[i].words.n; ++j) {
- if (strncasecmp(word, specials[i].words.strs[j], TOKLEN) == 0)
- return (i);
- }
+ // Handle negative number
+ if (*str == '-')
+ ++str;
+
+ // Handle empty string or just "-"
+ if (!*str)
+ return false;
+
+ // Check for non-digit chars in the rest of the stirng.
+ while (*str)
+ {
+ if (!isdigit(*str))
+ return false;
+ else
+ ++str;
}
- // If execution reaches here, we didn't find the word.
- return (WORD_NOT_FOUND);
+
+ return true;
}
static void get_vocab_metadata(const char* word, vocab_t* id, enum wordtype* type)
return;
}
- ref_num = get_special_vocab_id(word);
- if (ref_num != WORD_NOT_FOUND) {
- *id = ref_num;
- *type = SPECIAL;
- return;
- }
-
// Check for the reservoir magic word.
if (strcasecmp(word, game.zzword) == 0) {
*id = PART;
return;
}
+ // Check words that are actually numbers.
+ if (is_valid_int(word)) {
+ *id = WORD_EMPTY;
+ *type = NUMERIC;
+ return;
+ }
+
*id = WORD_NOT_FOUND;
*type = NO_WORD_TYPE;
return;