cp856.h 5.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134
  1. /*
  2. * Copyright (C) 1999-2001 Free Software Foundation, Inc.
  3. * This file is part of the GNU LIBICONV Library.
  4. *
  5. * The GNU LIBICONV Library is free software; you can redistribute it
  6. * and/or modify it under the terms of the GNU Library General Public
  7. * License as published by the Free Software Foundation; either version 2
  8. * of the License, or (at your option) any later version.
  9. *
  10. * The GNU LIBICONV Library is distributed in the hope that it will be
  11. * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * Library General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU Library General Public
  16. * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17. * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
  18. * Fifth Floor, Boston, MA 02110-1301, USA.
  19. */
  20. /*
  21. * CP856
  22. */
  23. static const unsigned short cp856_2uni[128] = {
  24. /* 0x80 */
  25. 0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7,
  26. 0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df,
  27. /* 0x90 */
  28. 0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7,
  29. 0x05e8, 0x05e9, 0x05ea, 0xfffd, 0x00a3, 0xfffd, 0x00d7, 0xfffd,
  30. /* 0xa0 */
  31. 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
  32. 0xfffd, 0x00ae, 0x00ac, 0x00bd, 0x00bc, 0xfffd, 0x00ab, 0x00bb,
  33. /* 0xb0 */
  34. 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0xfffd, 0xfffd, 0xfffd,
  35. 0x00a9, 0x2563, 0x2551, 0x2557, 0x255d, 0x00a2, 0x00a5, 0x2510,
  36. /* 0xc0 */
  37. 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0xfffd, 0xfffd,
  38. 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4,
  39. /* 0xd0 */
  40. 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
  41. 0xfffd, 0x2518, 0x250c, 0x2588, 0x2584, 0x00a6, 0xfffd, 0x2580,
  42. /* 0xe0 */
  43. 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x00b5, 0xfffd,
  44. 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x00af, 0x00b4,
  45. /* 0xf0 */
  46. 0x00ad, 0x00b1, 0x2017, 0x00be, 0x00b6, 0x00a7, 0x00f7, 0x00b8,
  47. 0x00b0, 0x00a8, 0x00b7, 0x00b9, 0x00b3, 0x00b2, 0x25a0, 0x00a0,
  48. };
  49. static int
  50. cp856_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  51. {
  52. unsigned char c = *s;
  53. if (c < 0x80) {
  54. *pwc = (ucs4_t) c;
  55. return 1;
  56. }
  57. else {
  58. unsigned short wc = cp856_2uni[c-0x80];
  59. if (wc != 0xfffd) {
  60. *pwc = (ucs4_t) wc;
  61. return 1;
  62. }
  63. }
  64. return RET_ILSEQ;
  65. }
  66. static const unsigned char cp856_page00[88] = {
  67. 0xff, 0x00, 0xbd, 0x9c, 0xcf, 0xbe, 0xdd, 0xf5, /* 0xa0-0xa7 */
  68. 0xf9, 0xb8, 0x00, 0xae, 0xaa, 0xf0, 0xa9, 0xee, /* 0xa8-0xaf */
  69. 0xf8, 0xf1, 0xfd, 0xfc, 0xef, 0xe6, 0xf4, 0xfa, /* 0xb0-0xb7 */
  70. 0xf7, 0xfb, 0x00, 0xaf, 0xac, 0xab, 0xf3, 0x00, /* 0xb8-0xbf */
  71. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
  72. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  73. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xd0-0xd7 */
  74. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  75. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
  76. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  77. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, /* 0xf0-0xf7 */
  78. };
  79. static const unsigned char cp856_page05[32] = {
  80. 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0xd0-0xd7 */
  81. 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0xd8-0xdf */
  82. 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0xe0-0xe7 */
  83. 0x98, 0x99, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  84. };
  85. static const unsigned char cp856_page25[168] = {
  86. 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
  87. 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
  88. 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
  89. 0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
  90. 0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
  91. 0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
  92. 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
  93. 0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
  94. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
  95. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
  96. 0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */
  97. 0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */
  98. 0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */
  99. 0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  100. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  101. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
  102. 0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
  103. 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
  104. 0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
  105. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
  106. 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
  107. };
  108. static int
  109. cp856_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  110. {
  111. unsigned char c = 0;
  112. if (wc < 0x0080) {
  113. *r = wc;
  114. return 1;
  115. }
  116. else if (wc >= 0x00a0 && wc < 0x00f8)
  117. c = cp856_page00[wc-0x00a0];
  118. else if (wc >= 0x05d0 && wc < 0x05f0)
  119. c = cp856_page05[wc-0x05d0];
  120. else if (wc == 0x2017)
  121. c = 0xf2;
  122. else if (wc >= 0x2500 && wc < 0x25a8)
  123. c = cp856_page25[wc-0x2500];
  124. if (c != 0) {
  125. *r = c;
  126. return 1;
  127. }
  128. return RET_ILUNI;
  129. }