iso8859_15.h 2.7 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. * ISO-8859-15
  22. */
  23. static const unsigned short iso8859_15_2uni[32] = {
  24. /* 0xa0 */
  25. 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x20ac, 0x00a5, 0x0160, 0x00a7,
  26. 0x0161, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
  27. /* 0xb0 */
  28. 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x017d, 0x00b5, 0x00b6, 0x00b7,
  29. 0x017e, 0x00b9, 0x00ba, 0x00bb, 0x0152, 0x0153, 0x0178, 0x00bf,
  30. };
  31. static int
  32. iso8859_15_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  33. {
  34. unsigned char c = *s;
  35. if (c >= 0xa0 && c < 0xc0)
  36. *pwc = (ucs4_t) iso8859_15_2uni[c-0xa0];
  37. else
  38. *pwc = (ucs4_t) c;
  39. return 1;
  40. }
  41. static const unsigned char iso8859_15_page00[32] = {
  42. 0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0x00, 0xa7, /* 0xa0-0xa7 */
  43. 0x00, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
  44. 0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
  45. 0x00, 0xb9, 0xba, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0xb8-0xbf */
  46. };
  47. static const unsigned char iso8859_15_page01[48] = {
  48. 0x00, 0x00, 0xbc, 0xbd, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
  49. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
  50. 0xa6, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  51. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  52. 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  53. 0xbe, 0x00, 0x00, 0x00, 0x00, 0xb4, 0xb8, 0x00, /* 0x78-0x7f */
  54. };
  55. static int
  56. iso8859_15_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  57. {
  58. unsigned char c = 0;
  59. if (wc < 0x00a0) {
  60. *r = wc;
  61. return 1;
  62. }
  63. else if (wc >= 0x00a0 && wc < 0x00c0)
  64. c = iso8859_15_page00[wc-0x00a0];
  65. else if (wc >= 0x00c0 && wc < 0x0100)
  66. c = wc;
  67. else if (wc >= 0x0150 && wc < 0x0180)
  68. c = iso8859_15_page01[wc-0x0150];
  69. else if (wc == 0x20ac)
  70. c = 0xa4;
  71. if (c != 0) {
  72. *r = c;
  73. return 1;
  74. }
  75. return RET_ILUNI;
  76. }