cp1252.h 3.5 KB

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  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. * CP1252
  22. */
  23. static const unsigned short cp1252_2uni[32] = {
  24. /* 0x80 */
  25. 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
  26. 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0x017d, 0xfffd,
  27. /* 0x90 */
  28. 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  29. 0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0x017e, 0x0178,
  30. };
  31. static int
  32. cp1252_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  33. {
  34. unsigned char c = *s;
  35. if (c < 0x80 || c >= 0xa0) {
  36. *pwc = (ucs4_t) c;
  37. return 1;
  38. }
  39. else {
  40. unsigned short wc = cp1252_2uni[c-0x80];
  41. if (wc != 0xfffd) {
  42. *pwc = (ucs4_t) wc;
  43. return 1;
  44. }
  45. }
  46. return RET_ILSEQ;
  47. }
  48. static const unsigned char cp1252_page01[72] = {
  49. 0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
  50. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
  51. 0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  52. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  53. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  54. 0x9f, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x9e, 0x00, /* 0x78-0x7f */
  55. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
  56. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
  57. 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
  58. };
  59. static const unsigned char cp1252_page02[32] = {
  60. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
  61. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  62. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
  63. 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  64. };
  65. static const unsigned char cp1252_page20[48] = {
  66. 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
  67. 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
  68. 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
  69. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
  70. 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
  71. 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
  72. };
  73. static int
  74. cp1252_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  75. {
  76. unsigned char c = 0;
  77. if (wc < 0x0080) {
  78. *r = wc;
  79. return 1;
  80. }
  81. else if (wc >= 0x00a0 && wc < 0x0100)
  82. c = wc;
  83. else if (wc >= 0x0150 && wc < 0x0198)
  84. c = cp1252_page01[wc-0x0150];
  85. else if (wc >= 0x02c0 && wc < 0x02e0)
  86. c = cp1252_page02[wc-0x02c0];
  87. else if (wc >= 0x2010 && wc < 0x2040)
  88. c = cp1252_page20[wc-0x2010];
  89. else if (wc == 0x20ac)
  90. c = 0x80;
  91. else if (wc == 0x2122)
  92. c = 0x99;
  93. if (c != 0) {
  94. *r = c;
  95. return 1;
  96. }
  97. return RET_ILUNI;
  98. }