git/ctype.c
René Scharfe f9b7cce61c Add is_regex_special()
Add is_regex_special(), a character class macro for chars that have a
special meaning in regular expressions.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-17 18:30:41 -08:00

27 lines
876 B
C

/*
* Sane locale-independent, ASCII ctype.
*
* No surprises, and works with signed and unsigned chars.
*/
#include "cache.h"
enum {
S = GIT_SPACE,
A = GIT_ALPHA,
D = GIT_DIGIT,
G = GIT_GLOB_SPECIAL, /* *, ?, [, \\ */
R = GIT_REGEX_SPECIAL, /* $, (, ), +, ., ^, {, | * */
};
unsigned char sane_ctype[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0, /* 0.. 15 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 16.. 31 */
S, 0, 0, 0, R, 0, 0, 0, R, R, G, R, 0, 0, R, 0, /* 32.. 47 */
D, D, D, D, D, D, D, D, D, D, 0, 0, 0, 0, 0, G, /* 48.. 63 */
0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 64.. 79 */
A, A, A, A, A, A, A, A, A, A, A, G, G, 0, R, 0, /* 80.. 95 */
0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 96..111 */
A, A, A, A, A, A, A, A, A, A, A, R, R, 0, 0, 0, /* 112..127 */
/* Nothing in the 128.. range */
};