include/qapi/qmp/json-lexer.h

   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 "glib-compat.h"
  18
  19 typedef enum json_token_type {
  20     JSON_MIN = 100,
  21     JSON_LCURLY = JSON_MIN,
  22     JSON_RCURLY,
  23     JSON_LSQUARE,
  24     JSON_RSQUARE,
  25     JSON_COLON,
  26     JSON_COMMA,
  27     JSON_INTEGER,
  28     JSON_FLOAT,
  29     JSON_KEYWORD,
  30     JSON_STRING,
  31     JSON_ESCAPE,
  32     JSON_SKIP,
  33     JSON_ERROR,
  34 } JSONTokenType;
  35
  36 typedef struct JSONLexer JSONLexer;
  37
  38 typedef void (JSONLexerEmitter)(JSONLexer *, GString *,
  39                                 JSONTokenType, int x, int y);
  40
  41 struct JSONLexer
  42 {
  43     JSONLexerEmitter *emit;
  44     int state;
  45     GString *token;
  46     int x, y;
  47 };
  48
  49 void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);
  50
  51 int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);
  52
  53 int json_lexer_flush(JSONLexer *lexer);
  54
  55 void json_lexer_destroy(JSONLexer *lexer);
  56
  57 #endif