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  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. enum {
  8. S = GIT_SPACE,
  9. A = GIT_ALPHA,
  10. D = GIT_DIGIT,
  11. G = GIT_GLOB_SPECIAL, /* *, ?, [, \\ */
  12. R = GIT_REGEX_SPECIAL, /* $, (, ), +, ., ^, {, | */
  13. P = GIT_PATHSPEC_MAGIC, /* other non-alnum, except for ] and } */
  14. X = GIT_CNTRL,
  15. U = GIT_PUNCT,
  16. Z = GIT_CNTRL | GIT_SPACE
  17. };
  18. const unsigned char sane_ctype[256] = {
  19. X, X, X, X, X, X, X, X, X, Z, Z, X, X, Z, X, X, /* 0.. 15 */
  20. X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, /* 16.. 31 */
  21. S, P, P, P, R, P, P, P, R, R, G, R, P, P, R, P, /* 32.. 47 */
  22. D, D, D, D, D, D, D, D, D, D, P, P, P, P, P, G, /* 48.. 63 */
  23. P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 64.. 79 */
  24. A, A, A, A, A, A, A, A, A, A, A, G, G, U, R, P, /* 80.. 95 */
  25. P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 96..111 */
  26. A, A, A, A, A, A, A, A, A, A, A, R, R, U, P, X, /* 112..127 */
  27. /* Nothing in the 128.. range */
  28. };
  29. /* For case-insensitive kwset */
  30. const unsigned char tolower_trans_tbl[256] = {
  31. 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  32. 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
  33. 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
  34. 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
  35. ' ', '!', '"', '#', '$', '%', '&', 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. };