trunk/js/json.h

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is SpiderMonkey JSON.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Robert Sayre <sayrer@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef json_h___
#define json_h___
/*
 * JS JSON functions.
 */
#include "jsscan.h"

#define JSON_MAX_DEPTH  2048
#define JSON_PARSER_BUFSIZE 1024

JS_BEGIN_EXTERN_C

extern JSClass js_JSONClass;

extern JSObject *
js_InitJSONClass(JSContext *cx, JSObject *obj);

extern JSBool
js_Stringify(JSContext *cx, jsval *vp, JSObject *replacer, jsval space,
             JSONWriteCallback callback, void *data);

extern JSBool js_TryJSON(JSContext *cx, jsval *vp);

enum JSONParserState {
    JSON_PARSE_STATE_INIT,
    JSON_PARSE_STATE_OBJECT_VALUE,
    JSON_PARSE_STATE_VALUE,
    JSON_PARSE_STATE_OBJECT,
    JSON_PARSE_STATE_OBJECT_PAIR,
    JSON_PARSE_STATE_OBJECT_IN_PAIR,
    JSON_PARSE_STATE_ARRAY,
    JSON_PARSE_STATE_STRING,
    JSON_PARSE_STATE_STRING_ESCAPE,
    JSON_PARSE_STATE_STRING_HEX,
    JSON_PARSE_STATE_NUMBER,
    JSON_PARSE_STATE_KEYWORD,
    JSON_PARSE_STATE_FINISHED
};

enum JSONDataType {
    JSON_DATA_STRING,
    JSON_DATA_KEYSTRING,
    JSON_DATA_NUMBER,
    JSON_DATA_KEYWORD
};

struct JSONParser {
    /* Used while handling \uNNNN in strings */
    jschar hexChar;
    uint8 numHex;

    JSONParserState *statep;
    JSONParserState stateStack[JSON_MAX_DEPTH];
    jsval *rootVal;
    JSStringBuffer objectKey;
    JSStringBuffer buffer;
    JSObject *objectStack;
};

extern JSONParser *
js_BeginJSONParse(JSContext *cx, jsval *rootVal);

extern JSBool
js_ConsumeJSONText(JSContext *cx, JSONParser *jp, const jschar *data, uint32 len);

extern JSBool
js_FinishJSONParse(JSContext *cx, JSONParser *jp, jsval reviver);

JS_END_EXTERN_C

#endif /* json_h___ */
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	#include "jsscan.h"
44
45	#define JSON_MAX_DEPTH 2048
46	#define JSON_PARSER_BUFSIZE 1024
47
48	JS_BEGIN_EXTERN_C
49
50	extern JSClass js_JSONClass;
51
52	extern JSObject *
53	js_InitJSONClass(JSContext cx, JSObject obj);
54
55	extern JSBool
56	js_Stringify(JSContext cx, jsval vp, JSObject *replacer, jsval space,
57	JSONWriteCallback callback, void *data);
58
59	extern JSBool js_TryJSON(JSContext cx, jsval vp);
60
61	enum JSONParserState {
62	JSON_PARSE_STATE_INIT,
63	JSON_PARSE_STATE_OBJECT_VALUE,
64	JSON_PARSE_STATE_VALUE,
65	JSON_PARSE_STATE_OBJECT,
66	JSON_PARSE_STATE_OBJECT_PAIR,
67	JSON_PARSE_STATE_OBJECT_IN_PAIR,
68	JSON_PARSE_STATE_ARRAY,
69	JSON_PARSE_STATE_STRING,
70	JSON_PARSE_STATE_STRING_ESCAPE,
71	JSON_PARSE_STATE_STRING_HEX,
72	JSON_PARSE_STATE_NUMBER,
73	JSON_PARSE_STATE_KEYWORD,
74	JSON_PARSE_STATE_FINISHED
75	};
76
77	enum JSONDataType {
78	JSON_DATA_STRING,
79	JSON_DATA_KEYSTRING,
80	JSON_DATA_NUMBER,
81	JSON_DATA_KEYWORD
82	};
83
84	struct JSONParser {
85	/* Used while handling \uNNNN in strings */
86	jschar hexChar;
87	uint8 numHex;
88
89	JSONParserState *statep;
90	JSONParserState stateStack[JSON_MAX_DEPTH];
91	jsval *rootVal;
92	JSStringBuffer objectKey;
93	JSStringBuffer buffer;
94	JSObject *objectStack;
95	};
96
97	extern JSONParser *
98	js_BeginJSONParse(JSContext cx, jsval rootVal);
99
100	extern JSBool
101	js_ConsumeJSONText(JSContext cx, JSONParser jp, const jschar *data, uint32 len);
102
103	extern JSBool
104	js_FinishJSONParse(JSContext cx, JSONParser jp, jsval reviver);
105
106	JS_END_EXTERN_C
107
108	#endif /* json_h___ */