--- libelwix/inc/elwix/ajson.h	2017/11/24 09:54:01	1.1.2.1
+++ libelwix/inc/elwix/ajson.h	2017/11/24 10:29:15	1.1.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: ajson.h,v 1.1.2.1 2017/11/24 09:54:01 misho Exp $
+* $Id: ajson.h,v 1.1.2.2 2017/11/24 10:29:15 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -46,6 +46,78 @@ SUCH DAMAGE.
 #ifndef __AJSON_H
 #define __AJSON_H
 
+
+/* JSON type identifiers */
+typedef enum {
+	J_UNDEF = 0,
+	J_OBJECT = 1,
+	J_ARRAY = 2,
+	J_STRING = 3,
+	J_NUMBER = 4,
+	J_BOOL = 5,
+	J_NULL = 6
+} jtype_t;
+
+/* JSON error numbers */
+typedef enum {
+	J_ERR_OK = 0,
+	J_ERR_NOMEM = 1,
+	J_ERR_INVAL = 2,
+	J_ERR_PART = 3
+} jerr_t;
+
+/* JSON error strings */
+typedef const char jerrstr[] = {
+	"No error",
+	"Not enough tokens were provided",
+	"Invalid character",
+	"JSON string isn't full",
+	NULL
+};
+
+typedef struct _tagParser {
+	unsigned long	pos;
+	unsigned long	next;
+	long		parent;
+} json_t;
+
+typedef struct _tagToken {
+	jtype_t		tok_type;
+	long		tok_start;
+	long		tok_end;
+	long		tok_size;
+	long		tok_parent;
+} jtok_t;
+
+
+/*
+ * json_init() - Initialize JSON handler
+ *
+ * @json = JSON handler, if there is NULL then dynamically will be allocated
+ * return: =NULL error or !=NULL ready for use JSON handler.
+ */
+json_t *json_init(json_t * __restrict json);
+
+/*
+ * json_free() - Free JSON handler
+ *
+ * @json = JSON handler
+ * return: none
+ */
+void json_free(json_t **json);
+
+/*
+ * json_parse() - Parse JSON string
+ *
+ * @json = JSON handler
+ * @jstr = JSON string
+ * @jlen = JSON string length
+ * @jtoks = Token array
+ * @toksnum = Token array size, return number of allocated tokens in array
+ * return: -1 error or number of found tokens 
+ */
+unsigned int json_parse(json_t * __restrict json, const char *jstr, size_t jlen, 
+		jtok_t * __restrict jtoks, unsigned int toksnum);
 
 
 #endif