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FLTK 1.3.3
tis620.h
1 /* $XFree86: xc/lib/X11/lcUniConv/tis620.h,v 1.4 2001/02/09 00:02:54 dawes Exp $ */
2 
3 /*
4  * TIS620-0
5  */
6 
7 static const unsigned short tis620_2uni[96] = {
8  /* 0xa0 */
9  0xfffd, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07,
10  0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f,
11  /* 0xb0 */
12  0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17,
13  0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f,
14  /* 0xc0 */
15  0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27,
16  0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f,
17  /* 0xd0 */
18  0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37,
19  0x0e38, 0x0e39, 0x0e3a, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x0e3f,
20  /* 0xe0 */
21  0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47,
22  0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x0e4e, 0x0e4f,
23  /* 0xf0 */
24  0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57,
25  0x0e58, 0x0e59, 0x0e5a, 0x0e5b, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
26 };
27 
28 static int
29 tis620_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
30 {
31  unsigned char c = *s;
32  if (c < 0x80) {
33  *pwc = (ucs4_t) c;
34  return 1;
35  }
36  else if (c < 0xa0) {
37  }
38  else {
39  unsigned short wc = tis620_2uni[c-0xa0];
40  if (wc != 0xfffd) {
41  *pwc = (ucs4_t) wc;
42  return 1;
43  }
44  }
45  return RET_ILSEQ;
46 }
47 
48 static const unsigned char tis620_page0e[96] = {
49  0x00, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */
50  0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x08-0x0f */
51  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */
52  0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x18-0x1f */
53  0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x20-0x27 */
54  0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x28-0x2f */
55  0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x30-0x37 */
56  0xd8, 0xd9, 0xda, 0x00, 0x00, 0x00, 0x00, 0xdf, /* 0x38-0x3f */
57  0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x40-0x47 */
58  0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x48-0x4f */
59  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x50-0x57 */
60  0xf8, 0xf9, 0xfa, 0xfb, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
61 };
62 
63 static int
64 tis620_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
65 {
66  unsigned char c = 0;
67  if (wc < 0x0080) {
68  *r = wc;
69  return 1;
70  }
71  else if (wc >= 0x0e00 && wc < 0x0e60)
72  c = tis620_page0e[wc-0x0e00];
73  if (c != 0) {
74  *r = c;
75  return 1;
76  }
77  return RET_ILSEQ;
78 }