vtparse.h

   1 /*
   2  * VTParse - an implementation of Paul Williams' DEC compatible state machine parser
   3  *
   4  * Author: Joshua Haberman <joshua@reverberate.org>
   5  *
   6  * This code is in the public domain.
   7  */
   8
   9 #ifndef VTPARSE_DOT_H
  10 #define VTPARSE_DOT_H
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 #include "vtparse_table.h"
  17
  18 #define MAX_INTERMEDIATE_CHARS 2
  19 #define ACTION(state_change) (state_change & 0x0F)
  20 #define STATE(state_change)  (state_change >> 4)
  21
  22 struct vtparse;
  23
  24 typedef void (*vtparse_callback_t)(struct vtparse*, vtparse_action_t, unsigned char);
  25
  26 typedef struct vtparse {
  27     vtparse_state_t    state;
  28     vtparse_callback_t cb;
  29     unsigned char      intermediate_chars[MAX_INTERMEDIATE_CHARS+1];
  30     int                num_intermediate_chars;
  31     char               ignore_flagged;
  32     int                params[16];
  33     int                num_params;
  34     void*              user_data;
  35 } vtparse_t;
  36
  37 void vtparse_init(vtparse_t *parser, vtparse_callback_t cb);
  38 void vtparse(vtparse_t *parser, unsigned char *data, int len);
  39
  40 #ifdef __cplusplus
  41 }
  42 #endif
  43
  44 #endif