DOM: Move get_scanner_token_number from dom/select to dom/scanner

src/dom/scanner.c

@@ -115,6 +115,27 @@ get_dom_scanner_token_debug(struct dom_scanner *scanner)
 }
 #endif
 
+long
+get_scanner_token_number(struct dom_scanner_token *token)
+{
+	long number = 0;
+
+	while (token->string.length > 0 && isdigit(token->string.string[0])) {
+		long old_number = number;
+
+		number *= 10;
+
+		/* -E2BIG */
+		if (old_number > number)
+			return -1;
+
+		number += token->string.string[0] - '0';
+		skip_dom_scanner_token_char(token);
+	}
+
+	return number;
+}
+
 
 /* Initializers */
 

src/dom/scanner.h

@@ -37,6 +37,10 @@ struct dom_scanner_token {
 	((token)->string.length == (sizeof(str) - 1) \
 	 && !strncasecmp((token)->string.string, str, sizeof(str) - 1))
 
+/** Get unsigned number from token string.
+ * Returns -1 if overflow was detected. */
+long get_scanner_token_number(struct dom_scanner_token *token);
+
 
 struct dom_scan_table_info {
 	enum { DOM_SCAN_RANGE, DOM_SCAN_STRING, DOM_SCAN_END } type;

src/dom/select.c

@@ -167,28 +167,6 @@ parse_dom_select_attribute(struct dom_select_node *sel, struct dom_scanner *scan
  *   0n+0
  */
 
-/* FIXME: Move somewhere else? dom/scanner.h? */
-static size_t
-get_scanner_token_number(struct dom_scanner_token *token)
-{
-	size_t number = 0;
-
-	while (token->string.length > 0 && isdigit(token->string.string[0])) {
-		size_t old_number = number;
-
-		number *= 10;
-
-		/* -E2BIG */
-		if (old_number > number)
-			return -1;
-
-		number += token->string.string[0] - '0';
-		skip_dom_scanner_token_char(token);
-	}
-
-	return number;
-}
-
 /* Parses the '(...)' part of ':nth-of-type(...)' and ':nth-child(...)'. */
 static enum dom_code
 parse_dom_select_nth_arg(struct dom_select_nth_match *nth, struct dom_scanner *scanner)