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Annotation of libelwix/inc/elwix/ajson.h, revision 1.1.2.4

1.1.2.1   misho       1: /*************************************************************************
                      2: * (C) 2017 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
                      4: *
                      5: * $Author: misho $
1.1.2.4 ! misho       6: * $Id: ajson.h,v 1.1.2.3 2017/11/24 15:53:04 misho Exp $
1.1.2.1   misho       7: *
                      8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
                     15: Copyright 2004 - 2017
                     16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
                     46: #ifndef __AJSON_H
                     47: #define __AJSON_H
                     48: 
1.1.2.2   misho      49: 
                     50: /* JSON type identifiers */
                     51: typedef enum {
                     52:        J_UNDEF = 0,
                     53:        J_OBJECT = 1,
                     54:        J_ARRAY = 2,
                     55:        J_STRING = 3,
1.1.2.4 ! misho      56:        J_VALUE = 4
1.1.2.2   misho      57: } jtype_t;
                     58: 
                     59: /* JSON error numbers */
                     60: typedef enum {
                     61:        J_ERR_OK = 0,
                     62:        J_ERR_NOMEM = 1,
                     63:        J_ERR_INVAL = 2,
1.1.2.3   misho      64:        J_ERR_PART = 3,
                     65:        J_ERR_PARAM = 4
1.1.2.2   misho      66: } jerr_t;
                     67: 
1.1.2.3   misho      68: typedef struct _tagHandler {
                     69:        unsigned long   h_pos;
                     70:        unsigned long   h_next;
                     71:        long            h_parent;
                     72:        void            *h_alloc;
                     73:        int             h_strict;
1.1.2.2   misho      74: } json_t;
                     75: 
                     76: typedef struct _tagToken {
                     77:        jtype_t         tok_type;
                     78:        long            tok_start;
                     79:        long            tok_end;
                     80:        long            tok_size;
                     81:        long            tok_parent;
                     82: } jtok_t;
                     83: 
                     84: 
                     85: /*
                     86:  * json_init() - Initialize JSON handler
                     87:  *
                     88:  * @json = JSON handler, if there is NULL then dynamically will be allocated
1.1.2.3   misho      89:  * @jstrict = JSON strict mode, when we select strict mode every unquoted value is error
                     90:  * return: =NULL error or !=NULL ready for use JSON handler and should be free with json_free()
1.1.2.2   misho      91:  */
1.1.2.3   misho      92: json_t *json_init(json_t * __restrict json, int jstrict);
1.1.2.2   misho      93: 
                     94: /*
                     95:  * json_free() - Free JSON handler
                     96:  *
                     97:  * @json = JSON handler
                     98:  * return: none
                     99:  */
1.1.2.3   misho     100: void json_free(json_t * __restrict json);
1.1.2.2   misho     101: 
                    102: /*
                    103:  * json_parse() - Parse JSON string
                    104:  *
                    105:  * @json = JSON handler
                    106:  * @jstr = JSON string
                    107:  * @jlen = JSON string length
                    108:  * @jtoks = Token array
                    109:  * @toksnum = Token array size, return number of allocated tokens in array
                    110:  * return: -1 error or number of found tokens 
                    111:  */
                    112: unsigned int json_parse(json_t * __restrict json, const char *jstr, size_t jlen, 
                    113:                jtok_t * __restrict jtoks, unsigned int toksnum);
1.1.2.1   misho     114: 
                    115: 
                    116: #endif