-static unsigned long yaz_read_advancegreek(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
- int shift = 0;
- int tonos = 0;
- int dialitika = 0;
-
- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0x9d)
- {
- tonos = 1;
- }
- else if (*inp == 0x9e)
- {
- dialitika = 1;
- }
- else if (*inp == 0x9f)
- {
- shift = 1;
- }
- else
- break;
- inp++;
- --inbytesleft;
- (*no_read)++;
- }
- if (inbytesleft == 0)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- return 0;
- }
- switch (*inp) {
- case 0x81:
- if (shift)
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- else
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0x82:
- if (shift)
- x = 0x0392;
- else
- x = 0x03b2;
-
- break;
- case 0x83:
- if (shift)
- x = 0x0393;
- else
- x = 0x03b3;
- break;
- case 0x84:
- if (shift)
- x = 0x0394;
- else
- x = 0x03b4;
- break;
- case 0x85:
- if (shift)
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- else
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0x86:
- if (shift)
- x = 0x0396;
- else
- x = 0x03b6;
- break;
- case 0x87:
- if (shift)
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- else
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0x88:
- if (shift)
- x = 0x0398;
- else
- x = 0x03b8;
- break;
- case 0x89:
- if (shift)
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x9e;
- else
- x = 0x0399;
- else
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
-
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0x8a:
- if (shift)
- x = 0x039a;
- else
- x = 0x03ba;
-
- break;
- case 0x8b:
- if (shift)
- x = 0x039b;
- else
- x = 0x03bb;
- break;
- case 0x8c:
- if (shift)
- x = 0x039c;
- else
- x = 0x03bc;
-
- break;
- case 0x8d:
- if (shift)
- x = 0x039d;
- else
- x = 0x03bd;
- break;
- case 0x8e:
- if (shift)
- x = 0x039e;
- else
- x = 0x03be;
- break;
- case 0x8f:
- if (shift)
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- else
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0x90:
- if (shift)
- x = 0x03a0;
- else
- x = 0x03c0;
- break;
- case 0x91:
- if (shift)
- x = 0x03a1;
- else
- x = 0x03c1;
- break;
- case 0x92:
- x = 0x03c2;
- break;
- case 0x93:
- if (shift)
- x = 0x03a3;
- else
- x = 0x03c3;
- break;
- case 0x94:
- if (shift)
- x = 0x03a4;
- else
- x = 0x03c4;
- break;
- case 0x95:
- if (shift)
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- else
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
-
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0x96:
- if (shift)
- x = 0x03a6;
- else
- x = 0x03c6;
- break;
- case 0x97:
- if (shift)
- x = 0x03a7;
- else
- x = 0x03c7;
- break;
- case 0x98:
- if (shift)
- x = 0x03a8;
- else
- x = 0x03c8;
-
- break;
-
- case 0x99:
- if (shift)
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- else
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_advancegreek(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft,
- int last)
-{
- size_t k = 0;
- unsigned char *out = (unsigned char*) *outbuf;
- if (*outbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- switch (x)
- {
- case 0x03ac : out[k++]=0x9d; out[k++]=0x81; break;
- case 0x03ad : out[k++]=0x9d; out[k++]=0x85; break;
- case 0x03ae : out[k++]=0x9d; out[k++]=0x87; break;
- case 0x03af : out[k++]=0x9d; out[k++]=0x89; break;
- case 0x03cc : out[k++]=0x9d; out[k++]=0x8f; break;
- case 0x03cd : out[k++]=0x9d; out[k++]=0x95; break;
- case 0x03ce : out[k++]=0x9d; out[k++]=0x99; break;
- case 0x0390 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03b0 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x95; break;
- case 0x0386 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0388 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0389 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x87; break;
- case 0x038a : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x038c : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x038e : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x038f : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03ca : out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03cb : out[k++]=0x9e; out[k++]=0x95; break;
- case 0x03aa : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x03ab : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x0391 : out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0392 : out[k++]=0x9f; out[k++]=0x82; break;
- case 0x0393 : out[k++]=0x9f; out[k++]=0x83; break;
- case 0x0394 : out[k++]=0x9f; out[k++]=0x84; break;
- case 0x0395 : out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0396 : out[k++]=0x9f; out[k++]=0x86; break;
- case 0x0397 : out[k++]=0x9f; out[k++]=0x87; break;
- case 0x0398 : out[k++]=0x9f; out[k++]=0x88; break;
- case 0x0399 : out[k++]=0x9f; out[k++]=0x89; break;
- case 0x039a : out[k++]=0x9f; out[k++]=0x8a; break;
- case 0x039b : out[k++]=0x9f; out[k++]=0x8b; break;
- case 0x039c : out[k++]=0x9f; out[k++]=0x8c; break;
- case 0x039d : out[k++]=0x9f; out[k++]=0x8d; break;
- case 0x039e : out[k++]=0x9f; out[k++]=0x8e; break;
- case 0x039f : out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x03a0 : out[k++]=0x9f; out[k++]=0x90; break;
- case 0x03a1 : out[k++]=0x9f; out[k++]=0x91; break;
- case 0x03a3 : out[k++]=0x9f; out[k++]=0x93; break;
- case 0x03a4 : out[k++]=0x9f; out[k++]=0x94; break;
- case 0x03a5 : out[k++]=0x9f; out[k++]=0x95; break;
- case 0x03a6 : out[k++]=0x9f; out[k++]=0x96; break;
- case 0x03a7 : out[k++]=0x9f; out[k++]=0x97; break;
- case 0x03a8 : out[k++]=0x9f; out[k++]=0x98; break;
- case 0x03a9 : out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03b1 : out[k++]=0x81; break;
- case 0x03b2 : out[k++]=0x82; break;
- case 0x03b3 : out[k++]=0x83; break;
- case 0x03b4 : out[k++]=0x84; break;
- case 0x03b5 : out[k++]=0x85; break;
- case 0x03b6 : out[k++]=0x86; break;
- case 0x03b7 : out[k++]=0x87; break;
- case 0x03b8 : out[k++]=0x88; break;
- case 0x03b9 : out[k++]=0x89; break;
- case 0x03ba : out[k++]=0x8a; break;
- case 0x03bb : out[k++]=0x8b; break;
- case 0x03bc : out[k++]=0x8c; break;
- case 0x03bd : out[k++]=0x8d; break;
- case 0x03be : out[k++]=0x8e; break;
- case 0x03bf : out[k++]=0x8f; break;
- case 0x03c0 : out[k++]=0x90; break;
- case 0x03c1 : out[k++]=0x91; break;
- case 0x03c2 : out[k++]=0x92; break;
- case 0x03c3 : out[k++]=0x93; break;
- case 0x03c4 : out[k++]=0x94; break;
- case 0x03c5 : out[k++]=0x95; break;
- case 0x03c6 : out[k++]=0x96; break;
- case 0x03c7 : out[k++]=0x96; break;
- case 0x03c8 : out[k++]=0x98; break;
- case 0x03c9 : out[k++]=0x99; break;
- default:
- if (x > 255)
- {
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return (size_t) -1;
- }
- out[k++] = x;
- break;
- }
- *outbytesleft -= k;
- (*outbuf) += k;
- return 0;
-}
-