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 #include "vtparse_table.h"
  10
  11 #define MAX_INTERMEDIATE_CHARS 2
  12 #define ACTION(state_change) (state_change & 0x0F)
  13 #define STATE(state_change)  (state_change >> 4)
  14
  15 struct vtparse;
  16
  17 typedef void (*vtparse_callback_t)(struct vtparse*, vtparse_action_t, unsigned char);
  18
  19 typedef struct vtparse {
  20     vtparse_state_t    state;
  21     vtparse_callback_t cb;
  22     unsigned char      intermediate_chars[MAX_INTERMEDIATE_CHARS+1];
  23     char               ignore_flagged;
  24     int                params[16];
  25     int                num_params;
  26     void*              user_data;
  27 } vtparse_t;
  28
  29 void vtparse_init(vtparse_t *parser, vtparse_callback_t cb);
  30 void vtparse(vtparse_t *parser, unsigned char *data, int len);
  31