xref: /illumos-kvm-cmd/json-lexer.h (revision 68396ea9)
1 /*
2  * JSON lexer
3  *
4  * Copyright IBM, Corp. 2009
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10  * See the COPYING.LIB file in the top-level directory.
11  *
12  */
13 
14 #ifndef QEMU_JSON_LEXER_H
15 #define QEMU_JSON_LEXER_H
16 
17 #include "qstring.h"
18 #include "qlist.h"
19 
20 typedef enum json_token_type {
21     JSON_OPERATOR = 100,
22     JSON_INTEGER,
23     JSON_FLOAT,
24     JSON_KEYWORD,
25     JSON_STRING,
26     JSON_ESCAPE,
27     JSON_SKIP,
28 } JSONTokenType;
29 
30 typedef struct JSONLexer JSONLexer;
31 
32 typedef void (JSONLexerEmitter)(JSONLexer *, QString *, JSONTokenType, int x, int y);
33 
34 struct JSONLexer
35 {
36     JSONLexerEmitter *emit;
37     int state;
38     QString *token;
39     int x, y;
40 };
41 
42 void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);
43 
44 int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);
45 
46 int json_lexer_flush(JSONLexer *lexer);
47 
48 void json_lexer_destroy(JSONLexer *lexer);
49 
50 #endif
51