ctype.c

   1 /*
   2  * Sane locale-independent, ASCII ctype.
   3  *
   4  * No surprises, and works with signed and unsigned chars.
   5  */
   6 #include "git-compat-util.h"
   7
   8 enum {
   9         S = GIT_SPACE,
  10         A = GIT_ALPHA,
  11         D = GIT_DIGIT,
  12         G = GIT_GLOB_SPECIAL,   /* *, ?, [, \\ */
  13         R = GIT_REGEX_SPECIAL,  /* $, (, ), +, ., ^, {, | */
  14         P = GIT_PATHSPEC_MAGIC  /* other non-alnum, except for ] and } */
  15 };
  16
  17 unsigned char sane_ctype[256] = {
  18         0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0,         /*   0.. 15 */
  19         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,         /*  16.. 31 */
  20         S, P, P, P, R, P, P, P, R, R, G, R, P, P, R, P,         /*  32.. 47 */
  21         D, D, D, D, D, D, D, D, D, D, P, P, P, P, P, G,         /*  48.. 63 */
  22         P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  64.. 79 */
  23         A, A, A, A, A, A, A, A, A, A, A, G, G, 0, R, P,         /*  80.. 95 */
  24         P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  96..111 */
  25         A, A, A, A, A, A, A, A, A, A, A, R, R, 0, P, 0,         /* 112..127 */
  26         /* Nothing in the 128.. range */
  27 };
  28
  29 /* For case-insensitive kwset */
  30 const char tolower_trans_tbl[256] = {
  31         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  32         0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
  33         0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
  34         0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
  35          ' ',  '!',  '"',  '#',  '$',  '%',  '&', 0x27,
  36          '(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',
  37          '0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',
  38          '8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',
  39          '@',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
  40          'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
  41          'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
  42          'x',  'y',  'z',  '[', 0x5c,  ']',  '^',  '_',
  43          '`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
  44          'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
  45          'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
  46          'x',  'y',  'z',  '{',  '|',  '}',  '~', 0x7f,
  47         0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
  48         0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
  49         0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
  50         0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
  51         0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
  52         0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
  53         0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
  54         0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
  55         0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
  56         0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
  57         0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
  58         0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
  59         0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
  60         0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
  61         0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
  62         0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
  63 };