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