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