X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fdfa.h;h=8a031d3c3567e7e37cc467a5437f0990e9e31337;hb=5c693d36af8be6f6642257160b3c6441d2e2d762;hp=55c74563ce92c8a23992d57c84120d5ddfc5f694;hpb=f03a35208f8b0fb19b79708c60153f6e522c1074;p=idzebra-moved-to-github.git diff --git a/include/dfa.h b/include/dfa.h index 55c7456..8a031d3 100644 --- a/include/dfa.h +++ b/include/dfa.h @@ -1,10 +1,26 @@ /* - * Copyright (C) 1994, Index Data I/S + * Copyright (C) 1994-1997, Index Data I/S * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: dfa.h,v $ - * Revision 1.3 1995-01-24 16:01:30 adam + * Revision 1.8 1997-09-18 08:59:18 adam + * Extra generic handle for the character mapping routines. + * + * Revision 1.7 1997/09/05 15:29:59 adam + * Changed prototype for chr_map_input - added const. + * Added support for C++, headers uses extern "C" for public definitions. + * + * Revision 1.6 1996/06/04 10:20:10 adam + * Added support for character mapping. + * + * Revision 1.5 1996/01/08 09:09:48 adam + * Function dfa_parse got 'const' string argument. + * + * Revision 1.4 1995/01/25 11:31:04 adam + * Simple error reporting when parsing regular expressions. + * + * Revision 1.3 1995/01/24 16:01:30 adam * Added -ansi to CFLAGS. * New functions and change of data structures. * @@ -22,6 +38,10 @@ #include #include +#ifdef __cplusplus +extern "C" { +#endif + struct DFA_tran { unsigned char ch[2]; /* transition on ch[0] <= c <= ch[1] to */ unsigned short to; /* this state */ @@ -42,6 +62,7 @@ struct DFA_state { short no; /* no of this state */ short tran_no; /* no of transitions to other states */ short rule_no; /* if non-zero, this holds accept rule no */ + short rule_nno; /* accept rule no - except start rules */ }; struct DFA { @@ -52,10 +73,17 @@ struct DFA { }; struct DFA *dfa_init (void); -int dfa_parse (struct DFA *, char **); +void dfa_set_cmap (struct DFA *dfa, void *vp, + const char **(*cmap)(void *vp, const char **from, int len)); +int dfa_parse (struct DFA *, const char **); void dfa_mkstate (struct DFA *); void dfa_delete (struct DFA **); +void dfa_parse_cmap_clean (struct DFA *d); +void dfa_parse_cmap_new (struct DFA *d, const int *cmap); +void dfa_parse_cmap_del (struct DFA *d, int from); +void dfa_parse_cmap_add (struct DFA *d, int from, int to); + extern int debug_dfa_trav; extern int debug_dfa_tran; extern int debug_dfa_followpos; @@ -64,4 +92,27 @@ extern int dfa_verbose; extern unsigned short dfa_thompson_chars[], dfa_ccl_chars[]; + +#define L_LP 1 +#define L_RP 2 +#define L_CHAR 3 +#define L_CHARS 4 +#define L_ANY 5 +#define L_ALT 6 +#define L_ANYZ 7 +#define L_WILD 8 +#define L_QUEST 9 +#define L_CLOS1 10 +#define L_CLOS0 11 +#define L_END 12 +#define L_START 13 + +#define DFA_ERR_SYNTAX 1 +#define DFA_ERR_LP 2 +#define DFA_ERR_RP 3 + +#ifdef __cplusplus +} +#endif + #endif