1 files changed, 53 insertions, 0 deletions

diff --git a/apps/plugins/lib/arg_helper.h b/apps/plugins/lib/arg_helper.h
new file mode 100644
index 0000000000..7c770e0162
--- /dev/null
+++ b/apps/plugins/lib/arg_helper.h
@@ -0,0 +1,53 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2021 William Wilgus
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _LIB_ARG_HELPER_H_
+#define _LIB_ARG_HELPER_H_
+
+#include "plugin.h"
+
+/* fills buf with a string upto buf_sz, null terminates the buffer
+ * strings break on WS by default but can be enclosed in single or double quotes
+ * opening and closing quotes will not be included in the buffer but will be counted
+ * use alternating quotes if you really want them included '"text"' or "'text'"
+ * failure to close the string will result in eating all remaining args till \0
+ * If buffer full remaining chars are discarded till stopchar or \0 is reached */
+int string_parse(const char **parameter, char* buf, size_t buf_sz);
+/* passes *character a single character eats remaining non-WS characters */
+int char_parse(const char **parameter, char* character);
+/* determine true false using the first character the rest are skipped/ignored */
+int bool_parse(const char **parameter, bool *choice);
+/* passes number and or decimal portion of number base 10 only.. */
+int longnum_parse(const char **parameter, long *number, long *decimal);
+int num_parse(const char **parameter, int *number, int *decimal);
+
+/*
+*argparse(const char *parameter, int parameter_len,
+*         int (*arg_callback)(char argchar, const char **parameter))
+* parameter     : constant char string of arguments
+* parameter_len : may be set to -1 if your parameter string is NULL (\0) terminated
+* arg_callback  : function gets called for each SWCHAR found in the parameter string
+* Note: WS at beginning is stripped, **parameter starts at the first NON WS char
+* return 0 for arg_callback to quit parsing immediately
+*/
+void argparse(const char *parameter, int parameter_len,
+              int (*arg_callback)(char argchar, const char **parameter));
+
+#endif /* _LIB_ARG_HELPER_H_ */