root/ctype.c

/*
 * Sane locale-independent, ASCII ctype.
 *
 * No surprises, and works with signed and unsigned chars.
 */
#include "git-compat-util.h"

enum {
        S = GIT_SPACE,
        A = GIT_ALPHA,
        D = GIT_DIGIT,
        G = GIT_GLOB_SPECIAL,   /* *, ?, [, \\ */
        R = GIT_REGEX_SPECIAL,  /* $, (, ), +, ., ^, {, | */
        P = GIT_PATHSPEC_MAGIC, /* other non-alnum, except for ] and } */
        X = GIT_CNTRL,
        U = GIT_PUNCT,
        Z = GIT_CNTRL | GIT_SPACE
};

const unsigned char sane_ctype[256] = {
        X, X, X, X, X, X, X, X, X, Z, Z, X, X, Z, X, X,         /*   0.. 15 */
        X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,         /*  16.. 31 */
        S, P, P, P, R, P, P, P, R, R, G, R, P, P, R, P,         /*  32.. 47 */
        D, D, D, D, D, D, D, D, D, D, P, P, P, P, P, G,         /*  48.. 63 */
        P, 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, U, R, P,         /*  80.. 95 */
        P, 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, U, P, X,         /* 112..127 */
        /* Nothing in the 128.. range */
};

/* For case-insensitive kwset */
const unsigned char tolower_trans_tbl[256] = {
        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
         ' ',  '!',  '"',  '#',  '$',  '%',  '&', 0x27,
         '(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',
         '0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',
         '8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',
         '@',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
         'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
         'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
         'x',  'y',  'z',  '[', 0x5c,  ']',  '^',  '_',
         '`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
         'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
         'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
         'x',  'y',  'z',  '{',  '|',  '}',  '~', 0x7f,
        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
        0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
        0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
        0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
        0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
        0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
        0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
        0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
        0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
};