xref: /PHP-7.0/ext/json/php_json_scanner.h (revision 478f119a)
1 /*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2017 The PHP Group                                |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 3.01 of the PHP license,      |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.php.net/license/3_01.txt                                  |
11   | If you did not receive a copy of the PHP license and are unable to   |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@php.net so we can mail you a copy immediately.               |
14   +----------------------------------------------------------------------+
15   | Author: Jakub Zelenka <bukka@php.net>                                |
16   +----------------------------------------------------------------------+
17 */
18 
19 #ifndef PHP_JSON_SCANNER_H
20 #define	PHP_JSON_SCANNER_H
21 
22 #include "php.h"
23 #include "php_json.h"
24 
25 typedef unsigned char php_json_ctype;
26 
27 typedef struct _php_json_scanner {
28 	php_json_ctype *cursor;         /* cursor position */
29 	php_json_ctype *token;          /* token position */
30 	php_json_ctype *limit;          /* the last read character + 1 position */
31 	php_json_ctype *marker;         /* marker position for backtracking */
32 	php_json_ctype *ctxmarker;      /* marker position for context backtracking */
33 	php_json_ctype *str_start;      /* start position of the string */
34 	php_json_ctype *pstr;           /* string pointer for escapes conversion */
35 	zval value;                     /* value */
36 	int str_esc;                    /* number of extra characters for escaping */
37 	int state;                      /* condition state */
38 	int options;                   /* options */
39 	php_json_error_code errcode;    /* error type if there is an error */
40 } php_json_scanner;
41 
42 
43 void php_json_scanner_init(php_json_scanner *scanner, char *str, size_t str_len, int options);
44 int php_json_scan(php_json_scanner *s);
45 
46 #endif	/* PHP_JSON_SCANNER_H */
47 
48