+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
+ * Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+#include "parser_check_user.h"
+
+#include <cstddef>
+
+#include <strings.h>
+
+using namespace STG;
+
+CHECK_USER::PARSER::PARSER()
+ : callback(NULL),
+ data(NULL),
+ depth(0)
+{
+}
+//-----------------------------------------------------------------------------
+int CHECK_USER::PARSER::ParseStart(const char * el, const char ** attr)
+{
+depth++;
+if (depth == 1)
+ if (strcasecmp(el, "CheckUser") == 0)
+ ParseAnswer(el, attr);
+return 0;
+}
+//-----------------------------------------------------------------------------
+void CHECK_USER::PARSER::ParseEnd(const char *)
+{
+depth--;
+}
+//-----------------------------------------------------------------------------
+void CHECK_USER::PARSER::ParseAnswer(const char *, const char **attr)
+{
+if (!callback)
+ return;
+if (attr && attr[0] && attr[1] && strcasecmp(attr[0], "value") == 0)
+ callback(strcasecmp(attr[1], "ok") == 0, attr[2] && attr[3] ? attr[3] : "", data);
+else
+ callback(false, "Invalid response.", data);
+}
+//-----------------------------------------------------------------------------
+void CHECK_USER::PARSER::SetCallback(CALLBACK f, void * d)
+{
+callback = f;
+data = d;
+}