usr.bin/grep/regex/fastmatch.h

   1 /* $FreeBSD$ */
   2
   3 #ifndef FASTMATCH_H
   4 #define FASTMATCH_H 1
   5
   6 #include <limits.h>
   7 #include <regex.h>
   8 #include <stdbool.h>
   9 #include <wchar.h>
  10
  11 typedef struct {
  12   size_t         wlen;
  13   size_t         len;
  14   wchar_t       *wpattern;
  15   bool          *wescmap;
  16   unsigned int   qsBc[UCHAR_MAX + 1];
  17   unsigned int  *bmGs;
  18   char          *pattern;
  19   bool          *escmap;
  20   unsigned int   defBc;
  21   void          *qsBc_table;
  22   unsigned int  *sbmGs;
  23   const char    *re_endp;
  24
  25   /* flags */
  26   bool           hasdot;
  27   bool           bol;
  28   bool           eol;
  29   bool           word;
  30   bool           icase;
  31   bool           newline;
  32   bool           nosub;
  33   bool           matchall;
  34   bool           reversed;
  35 } fastmatch_t;
  36
  37 extern int
  38 tre_fixcomp(fastmatch_t *preg, const char *regex, int cflags);
  39
  40 extern int
  41 tre_fastcomp(fastmatch_t *preg, const char *regex, int cflags);
  42
  43 extern int
  44 tre_fastexec(const fastmatch_t *preg, const char *string, size_t nmatch,
  45   regmatch_t pmatch[], int eflags);
  46
  47 extern void
  48 tre_fastfree(fastmatch_t *preg);
  49
  50 extern int
  51 tre_fixwcomp(fastmatch_t *preg, const wchar_t *regex, int cflags);
  52
  53 extern int
  54 tre_fastwcomp(fastmatch_t *preg, const wchar_t *regex, int cflags);
  55
  56 extern int
  57 tre_fastwexec(const fastmatch_t *preg, const wchar_t *string,
  58          size_t nmatch, regmatch_t pmatch[], int eflags);
  59
  60 /* Versions with a maximum length argument and therefore the capability to
  61    handle null characters in the middle of the strings. */
  62 extern int
  63 tre_fixncomp(fastmatch_t *preg, const char *regex, size_t len, int cflags);
  64
  65 extern int
  66 tre_fastncomp(fastmatch_t *preg, const char *regex, size_t len, int cflags);
  67
  68 extern int
  69 tre_fastnexec(const fastmatch_t *preg, const char *string, size_t len,
  70   size_t nmatch, regmatch_t pmatch[], int eflags);
  71
  72 extern int
  73 tre_fixwncomp(fastmatch_t *preg, const wchar_t *regex, size_t len, int cflags);
  74
  75 extern int
  76 tre_fastwncomp(fastmatch_t *preg, const wchar_t *regex, size_t len, int cflags);
  77
  78 extern int
  79 tre_fastwnexec(const fastmatch_t *preg, const wchar_t *string, size_t len,
  80   size_t nmatch, regmatch_t pmatch[], int eflags);
  81
  82 #define fixncomp        tre_fixncomp
  83 #define fastncomp       tre_fastncomp
  84 #define fixcomp         tre_fixcomp
  85 #define fastcomp        tre_fastcomp
  86 #define fixwncomp       tre_fixwncomp
  87 #define fastwncomp      tre_fastwncomp
  88 #define fixwcomp        tre_fixwcomp
  89 #define fastwcomp       tre_fastwcomp
  90 #define fastfree        tre_fastfree
  91 #define fastnexec       tre_fastnexec
  92 #define fastexec        tre_fastexec
  93 #define fastwnexec      tre_fastwnexec
  94 #define fastwexec       tre_fastwexec
  95 #define fixcomp         tre_fixcomp
  96 #define fastcomp        tre_fastcomp
  97 #define fastexec        tre_fastexec
  98 #define fastfree        tre_fastfree
  99 #define fixwcomp        tre_fixwcomp
 100 #define fastwcomp       tre_fastwcomp
 101 #define fastwexec       tre_fastwexec
 102 #define fixncomp        tre_fixncomp
 103 #define fastncomp       tre_fastncomp
 104 #define fastnexec       tre_fastnexec
 105 #define fixwncomp       tre_fixwncomp
 106 #define fastwncomp      tre_fastwncomp
 107 #define fastwnexec      tre_fastwnexec
 108 #endif          /* FASTMATCH_H */