LXR qemu/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 "qstring.h"
  18#include "qlist.h"
  19
  20typedef 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    JSON_ERROR,
  29} JSONTokenType;
  30
  31typedef struct JSONLexer JSONLexer;
  32
  33typedef void (JSONLexerEmitter)(JSONLexer *, QString *, JSONTokenType, int x, int y);
  34
  35struct JSONLexer
  36{
  37    JSONLexerEmitter *emit;
  38    int state;
  39    QString *token;
  40    int x, y;
  41};
  42
  43void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);
  44
  45int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);
  46
  47int json_lexer_flush(JSONLexer *lexer);
  48
  49void json_lexer_destroy(JSONLexer *lexer);
  50
  51#endif
  52