Add tl_mode_push/_pop functions.

biot · Nov 22, 2014 · acc8acb · acc8acb
1 parent 06918ae
commit acc8acb
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Showing 2 changed files with 22 additions and 0 deletions.
diff --git a/tokenline.c b/tokenline.c
@@ -746,6 +746,26 @@ void tl_set_callback(t_tokenline *tl, tl_callback callback)
 	tl->callback = callback;
 }
 
+int tl_mode_push(t_tokenline *tl, t_token *tokens)
+{
+	if (tl->token_level == TL_MAX_TOKEN_LEVELS - 1)
+		return FALSE;
+
+	tl->token_levels[++tl->token_level] = tokens;
+
+	return TRUE;
+}
+
+int tl_mode_pop(t_tokenline *tl)
+{
+	if (!tl->token_level)
+		return FALSE;
+
+	tl->token_level--;
+
+	return TRUE;
+}
+
 int tl_input(t_tokenline *tl, uint8_t c)
 {
 	int ret, i;

diff --git a/tokenline.h b/tokenline.h
@@ -83,6 +83,8 @@ void tl_init(t_tokenline *tl, t_token *tokens_top, t_token_dict *token_dict,
 		tl_printfunc printfunc, void *user);
 void tl_set_prompt(t_tokenline *tl, char *prompt);
 void tl_set_callback(t_tokenline *tl, tl_callback callback);
+int tl_mode_push(t_tokenline *tl, t_token *tokens_mode);
+int tl_mode_pop(t_tokenline *tl);
 int tl_input(t_tokenline *tl, uint8_t c);
 
 #ifndef NULL