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 /*
22  * ISO-8859-15
23  */
24 
25 static const unsigned short iso8859_15_2uni[32] = {
26   /* 0xa0 */
27   0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x20ac, 0x00a5, 0x0160, 0x00a7,
28   0x0161, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
29   /* 0xb0 */
30   0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x017d, 0x00b5, 0x00b6, 0x00b7,
31   0x017e, 0x00b9, 0x00ba, 0x00bb, 0x0152, 0x0153, 0x0178, 0x00bf,
32 };
33 
34 static int
iso8859_15_mbtowc(conv_t conv,ucs4_t * pwc,const unsigned char * s,int n)35 iso8859_15_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
36 {
37   unsigned char c = *s;
38   if (c >= 0xa0 && c < 0xc0)
39     *pwc = (ucs4_t) iso8859_15_2uni[c-0xa0];
40   else
41     *pwc = (ucs4_t) c;
42   return 1;
43 }
44 
45 static const unsigned char iso8859_15_page00[32] = {
46   0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0x00, 0xa7, /* 0xa0-0xa7 */
47   0x00, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
48   0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
49   0x00, 0xb9, 0xba, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0xb8-0xbf */
50 };
51 static const unsigned char iso8859_15_page01[48] = {
52   0x00, 0x00, 0xbc, 0xbd, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
53   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
54   0xa6, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
55   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
56   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
57   0xbe, 0x00, 0x00, 0x00, 0x00, 0xb4, 0xb8, 0x00, /* 0x78-0x7f */
58 };
59 
60 static int
iso8859_15_wctomb(conv_t conv,unsigned char * r,ucs4_t wc,int n)61 iso8859_15_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
62 {
63   unsigned char c = 0;
64   if (wc < 0x00a0) {
65     *r = wc;
66     return 1;
67   }
68   else if (wc >= 0x00a0 && wc < 0x00c0)
69     c = iso8859_15_page00[wc-0x00a0];
70   else if (wc >= 0x00c0 && wc < 0x0100)
71     c = wc;
72   else if (wc >= 0x0150 && wc < 0x0180)
73     c = iso8859_15_page01[wc-0x0150];
74   else if (wc == 0x20ac)
75     c = 0xa4;
76   if (c != 0) {
77     *r = c;
78     return 1;
79   }
80   return RET_ILUNI;
81 }
82