2 Copyright (C) 2005 Georgia Public Library Service
3 Bill Erickson <highfalutin@gmail.com>
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
19 /* ---------------------------------------------------------------------------------------
21 * --------------------------------------------------------------------------------------- */
30 /* Parses the given JSON string and returns the built object.
31 * returns NULL (and prints parser error to stderr) on error.
32 * if string is NULL, returns an object whose is_null flag is set to true.
34 object* json_parse_string(char* string);
39 /* does the actual parsing work. returns 0 on success. -1 on error and
40 * -2 if there was no object to build (string was all comments)
42 int _json_parse_string(char* string, unsigned long* index, object* obj);
44 /* returns 0 on success and turns obj into a string object */
45 int json_parse_json_string(char* string, unsigned long* index, object* obj);
47 /* returns 0 on success and turns obj into a number or double object */
48 int json_parse_json_number(char* string, unsigned long* index, object* obj);
50 /* returns 0 on success and turns obj into an 'object' object */
51 int json_parse_json_object(char* string, unsigned long* index, object* obj);
53 /* returns 0 on success and turns object into an array object */
54 int json_parse_json_array(char* string, unsigned long* index, object* obj);
56 /* churns through whitespace and increments index as it goes.
57 * eat_all == true means we should eat newlines, tabs
59 void json_eat_ws(char* string, unsigned long* index, int eat_all);
61 int json_parse_json_bool(char* string, unsigned long* index, object* obj);
63 /* removes comments from a json string. if the comment contains a class hint
64 * and class_hint isn't NULL, an allocated char* with the class name will be
65 * shoved into *class_hint. returns 0 on success, -1 on parse error.
66 * 'index' is assumed to be at the second character (*) of the comment
68 int json_eat_comment(char* string, unsigned long* index, char** class_hint, int parse_class);
70 /* prints a useful error message to stderr. always returns -1 */
71 int json_handle_error(char* string, unsigned long* index, char* err_msg);
73 /* returns true if c is 0-9 */
74 int is_number(char c);
76 int json_parse_json_null(char* string, unsigned long* index, object* obj);