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 * --------------------------------------------------------------------------------------- */
26 #include <objson/object.h>
27 #include <opensrf/utils.h>
31 /* Parses the given JSON string and returns the built object.
32 * returns NULL (and prints parser error to stderr) on error.
35 jsonObject* json_parse_string(char* string);
37 jsonObject* jsonParseString(char* string);
38 jsonObject* jsonParseStringFmt( char* string, ... );
40 jsonObject* json_parse_file( const char* filename );
42 jsonObject* jsonParseFile( const char* string );
46 /* does the actual parsing work. returns 0 on success. -1 on error and
47 * -2 if there was no object to build (string was all comments)
49 int _json_parse_string(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
51 /* returns 0 on success and turns obj into a string object */
52 int json_parse_json_string(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
54 /* returns 0 on success and turns obj into a number or double object */
55 int json_parse_json_number(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
57 /* returns 0 on success and turns obj into an 'object' object */
58 int json_parse_json_object(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
60 /* returns 0 on success and turns object into an array object */
61 int json_parse_json_array(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
63 /* churns through whitespace and increments index as it goes.
64 * eat_all == true means we should eat newlines, tabs
66 void json_eat_ws(char* string, unsigned long* index, int eat_all, int current_strlen);
68 int json_parse_json_bool(char* string, unsigned long* index, jsonObject* obj, int current_strlen);
70 /* removes comments from a json string. if the comment contains a class hint
71 * and class_hint isn't NULL, an allocated char* with the class name will be
72 * shoved into *class_hint. returns 0 on success, -1 on parse error.
73 * 'index' is assumed to be at the second character (*) of the comment
75 int json_eat_comment(char* string, unsigned long* index, char** class_hint, int parse_class, int current_strlen);
77 /* prints a useful error message to stderr. always returns -1 */
78 int json_handle_error(char* string, unsigned long* index, char* err_msg);
80 /* returns true if c is 0-9 */
81 int is_number(char c);
83 int json_parse_json_null(char* string, unsigned long* index, jsonObject* obj, int current_strlen);