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Revision 399 - (show annotations)
Tue Dec 9 03:37:47 2008 UTC (11 years ago) by siliconforks
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1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Original Code is SpiderMonkey JSON.
15 *
16 * The Initial Developer of the Original Code is
17 * Mozilla Corporation.
18 * Portions created by the Initial Developer are Copyright (C) 1998-1999
19 * the Initial Developer. All Rights Reserved.
20 *
21 * Contributor(s):
22 * Robert Sayre <sayrer@gmail.com>
23 *
24 * Alternatively, the contents of this file may be used under the terms of
25 * either of the GNU General Public License Version 2 or later (the "GPL"),
26 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
35 *
36 * ***** END LICENSE BLOCK ***** */
37
38 #ifndef json_h___
39 #define json_h___
40 /*
41 * JS JSON functions.
42 */
43
44 #define JSON_MAX_DEPTH 2048
45 #define JSON_PARSER_BUFSIZE 1024
46
47 JS_BEGIN_EXTERN_C
48
49 extern JSClass js_JSONClass;
50
51 extern JSObject *
52 js_InitJSONClass(JSContext *cx, JSObject *obj);
53
54 extern JSBool
55 js_Stringify(JSContext *cx, jsval *vp, JSObject *replacer,
56 JSONWriteCallback callback, void *data, uint32 depth);
57
58 extern JSBool js_TryJSON(JSContext *cx, jsval *vp);
59
60 enum JSONParserState {
61 JSON_PARSE_STATE_INIT,
62 JSON_PARSE_STATE_OBJECT_VALUE,
63 JSON_PARSE_STATE_VALUE,
64 JSON_PARSE_STATE_OBJECT,
65 JSON_PARSE_STATE_OBJECT_PAIR,
66 JSON_PARSE_STATE_OBJECT_IN_PAIR,
67 JSON_PARSE_STATE_ARRAY,
68 JSON_PARSE_STATE_STRING,
69 JSON_PARSE_STATE_STRING_ESCAPE,
70 JSON_PARSE_STATE_STRING_HEX,
71 JSON_PARSE_STATE_NUMBER,
72 JSON_PARSE_STATE_KEYWORD,
73 JSON_PARSE_STATE_FINISHED
74 };
75
76 enum JSONDataType {
77 JSON_DATA_STRING,
78 JSON_DATA_KEYSTRING,
79 JSON_DATA_NUMBER,
80 JSON_DATA_KEYWORD
81 };
82
83 struct JSONParser {
84 /* Used while handling \uNNNN in strings */
85 jschar hexChar;
86 uint8 numHex;
87
88 JSONParserState *statep;
89 JSONParserState stateStack[JSON_MAX_DEPTH];
90 jsval *rootVal;
91 JSStringBuffer *objectKey;
92 JSStringBuffer *buffer;
93 JSObject *objectStack;
94 };
95
96 extern JSONParser *
97 js_BeginJSONParse(JSContext *cx, jsval *rootVal);
98
99 extern JSBool
100 js_ConsumeJSONText(JSContext *cx, JSONParser *jp, const jschar *data, uint32 len);
101
102 extern JSBool
103 js_FinishJSONParse(JSContext *cx, JSONParser *jp);
104
105 JS_END_EXTERN_C
106
107 #endif /* json_h___ */

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