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      1 
      2 /*
      3  * ISO-8859-7
      4  */
      5 
      6 static const unsigned short iso8859_7_2uni[96] = {
      7   /* 0xa0 */
      8   0x00a0, 0x2018, 0x2019, 0x00a3, 0xfffd, 0xfffd, 0x00a6, 0x00a7,
      9   0x00a8, 0x00a9, 0xfffd, 0x00ab, 0x00ac, 0x00ad, 0xfffd, 0x2015,
     10   /* 0xb0 */
     11   0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x0384, 0x0385, 0x0386, 0x00b7,
     12   0x0388, 0x0389, 0x038a, 0x00bb, 0x038c, 0x00bd, 0x038e, 0x038f,
     13   /* 0xc0 */
     14   0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
     15   0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, 0x039f,
     16   /* 0xd0 */
     17   0x03a0, 0x03a1, 0xfffd, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
     18   0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
     19   /* 0xe0 */
     20   0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
     21   0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
     22   /* 0xf0 */
     23   0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, 0x03c7,
     24   0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, 0xfffd,
     25 };
     26 
     27 static int
     28 iso8859_7_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
     29 {
     30   unsigned char c = *s;
     31   if (c < 0xa0) {
     32     *pwc = (ucs4_t) c;
     33     return 1;
     34   }
     35   else {
     36     unsigned short wc = iso8859_7_2uni[c-0xa0];
     37     if (wc != 0xfffd) {
     38       *pwc = (ucs4_t) wc;
     39       return 1;
     40     }
     41   }
     42   return RET_ILSEQ;
     43 }
     44 
     45 static const unsigned char iso8859_7_page00[32] = {
     46   0xa0, 0x00, 0x00, 0xa3, 0x00, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */
     47   0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0x00, 0x00, /* 0xa8-0xaf */
     48   0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0x00, 0x00, 0xb7, /* 0xb0-0xb7 */
     49   0x00, 0x00, 0x00, 0xbb, 0x00, 0xbd, 0x00, 0x00, /* 0xb8-0xbf */
     50 };
     51 static const unsigned char iso8859_7_page03[80] = {
     52   0x00, 0x00, 0x00, 0x00, 0xb4, 0xb5, 0xb6, 0x00, /* 0x80-0x87 */
     53   0xb8, 0xb9, 0xba, 0x00, 0xbc, 0x00, 0xbe, 0xbf, /* 0x88-0x8f */
     54   0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x90-0x97 */
     55   0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x98-0x9f */
     56   0xd0, 0xd1, 0x00, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xa0-0xa7 */
     57   0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xa8-0xaf */
     58   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xb0-0xb7 */
     59   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xb8-0xbf */
     60   0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xc0-0xc7 */
     61   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00, /* 0xc8-0xcf */
     62 };
     63 static const unsigned char iso8859_7_page20[16] = {
     64   0x00, 0x00, 0x00, 0x00, 0x00, 0xaf, 0x00, 0x00, /* 0x10-0x17 */
     65   0xa1, 0xa2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
     66 };
     67 
     68 static int
     69 iso8859_7_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
     70 {
     71   unsigned char c = 0;
     72   if (wc < 0x00a0) {
     73     *r = (unsigned char) wc;
     74     return 1;
     75   }
     76   else if (wc >= 0x00a0 && wc < 0x00c0)
     77     c = iso8859_7_page00[wc-0x00a0];
     78   else if (wc >= 0x0380 && wc < 0x03d0)
     79     c = iso8859_7_page03[wc-0x0380];
     80   else if (wc >= 0x2010 && wc < 0x2020)
     81     c = iso8859_7_page20[wc-0x2010];
     82   if (c != 0) {
     83     *r = c;
     84     return 1;
     85   }
     86   return RET_ILSEQ;
     87 }
     88