--- libelwix/inc/elwix/ajson.h	2017/11/24 09:54:01	1.1.2.1
+++ libelwix/inc/elwix/ajson.h	2017/11/28 00:46:53	1.1.2.5
@@ -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 1.1.2.5 2017/11/28 00:46:53 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -46,6 +46,117 @@ 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_VALUE = 4
+} jtype_t;
+
+/* JSON error numbers */
+typedef enum {
+	J_ERR_OK = 0,
+	J_ERR_NOMEM = 1,
+	J_ERR_INVAL = 2,
+	J_ERR_PART = 3,
+	J_ERR_PARAM = 4
+} jerr_t;
+
+typedef struct _tagHandler {
+	unsigned long	h_pos;
+	unsigned long	h_next;
+	long		h_parent;
+	void		*h_alloc;
+	int		h_strict;
+} 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
+ * @jstrict = JSON strict mode, when we select strict mode every unquoted value is error
+ * return: =NULL error or !=NULL ready for use JSON handler and should be free with json_free()
+ */
+json_t *json_init(json_t * __restrict json, int jstrict);
+
+/*
+ * json_free() - Free JSON handler
+ *
+ * @json = JSON handler
+ * return: none
+ */
+void json_free(json_t * __restrict 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);
+
+/*
+ * json_token2val() - Return token to AIT variable
+ *
+ * @jstr = JSON string
+ * @tok = Token for convert
+ * @return =NULL error or !=NULL variable, after use should be ait_freeVar()
+ */
+ait_val_t *json_token2val(const char *jstr, jtok_t * __restrict tok);
+/*
+ * json_token2str() - Return token to string
+ *
+ * @jstr = JSON string
+ * @tok = Token for convert
+ * @return =NULL error or !=NULL allocated str, after use should be e_free()
+ */
+char *json_token2str(const char *jstr, jtok_t * __restrict tok);
+/*
+ * json_token2num() - Return token to numeric
+ *
+ * @jstr = JSON string
+ * @tok = Token for convert
+ * @return number
+ */
+long json_token2num(const char *jstr, jtok_t * __restrict tok);
+/*
+ * json_token2array() - Convert token to array
+ *
+ * @jstr = JSON string
+ * @tok = Token for convert
+ * return: =NULL error or !=NULL allocated array with variables, 
+ * 		after use should be ait_freeVars()
+ */
+array_t *json_token2array(const char *jstr, jtok_t * __restrict tok);
+
+/*
+ * json_findbykey() - Find data by key
+ *
+ * @jstr = JSON string
+ * @key = Search key
+ * @toks = Parsed tokens
+ * @toksnum = Number of parsed tokens
+ * return: =NULL error or !=NULL data token found 
+ */
+jtok_t *json_findbykey(const char *jstr, const char *key, 
+		jtok_t * __restrict toks, int toksnum);
 
 
 #endif