include/qapi/qmp/json-streamer.h

   1 /*
   2  * JSON streaming support
   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_STREAMER_H
  15 #define QEMU_JSON_STREAMER_H
  16
  17 #include "qapi/qmp/json-lexer.h"
  18
  19 typedef struct JSONToken {
  20     int type;
  21     int x;
  22     int y;
  23     char str[];
  24 } JSONToken;
  25
  26 typedef struct JSONMessageParser
  27 {
  28     void (*emit)(struct JSONMessageParser *parser, GQueue *tokens);
  29     JSONLexer lexer;
  30     int brace_count;
  31     int bracket_count;
  32     GQueue *tokens;
  33     uint64_t token_size;
  34 } JSONMessageParser;
  35
  36 void json_message_parser_init(JSONMessageParser *parser,
  37                               void (*func)(JSONMessageParser *, GQueue *));
  38
  39 int json_message_parser_feed(JSONMessageParser *parser,
  40                              const char *buffer, size_t size);
  41
  42 int json_message_parser_flush(JSONMessageParser *parser);
  43
  44 void json_message_parser_destroy(JSONMessageParser *parser);
  45
  46 #endif