- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0xa2)
- {
- tonos = 1;
- }
- else if (*inp == 0xa3)
- {
- dialitika = 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 0xe1: // alpha small
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0xc1: // alpha capital
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- break;
-
- case 0xe2: // Beta small
- x = 0x03b2;
- break;
- case 0xc2: // Beta capital
- x = 0x0392;
- break;
-
- case 0xe4: // Gamma small
- x = 0x03b3;
- break;
- case 0xc4: // Gamma capital
- x = 0x0393;
- break;
-
- case 0xe5: // Delta small
- x = 0x03b4;
- break;
- case 0xc5: // Delta capital
- x = 0x0394;
- break;
- case 0xe6: // epsilon small
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0xc6: // epsilon capital
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- break;
- case 0xe9: // Zeta small
- x = 0x03b6;
- break;
- case 0xc9: // Zeta capital
- x = 0x0396;
- break;
- case 0xea: // Eta small
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0xca: // Eta capital
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- break;
- case 0xeb: // Theta small
- x = 0x03b8;
- break;
- case 0xcb: // Theta capital
- x = 0x0398;
- break;
- case 0xec: // Iota small
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0xcc: // Iota capital
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x03aa;
- else
- x = 0x0399;
- break;
- case 0xed: // Kappa small
- x = 0x03ba;
- break;
- case 0xcd: // Kappa capital
- x = 0x039a;
- break;
- case 0xee: // Lambda small
- x = 0x03bb;
- break;
- case 0xce: // Lambda capital
- x = 0x039b;
- break;
- case 0xef: // Mu small
- x = 0x03bc;
- break;
- case 0xcf: // Mu capital
- x = 0x039c;
- break;
- case 0xf0: // Nu small
- x = 0x03bd;
- break;
- case 0xd0: // Nu capital
- x = 0x039d;
- break;
- case 0xf1: // Xi small
- x = 0x03be;
- break;
- case 0xd1: // Xi capital
- x = 0x039e;
- break;
- case 0xf2: // Omicron small
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0xd2: // Omicron capital
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- break;
- case 0xf3: // Pi small
- x = 0x03c0;
- break;
- case 0xd3: // Pi capital
- x = 0x03a0;
- break;
- case 0xf5: // Rho small
- x = 0x03c1;
- break;
- case 0xd5: // Rho capital
- x = 0x03a1;
- break;
- case 0xf7: // Sigma small (end of words)
- x = 0x03c2;
- break;
- case 0xf6: // Sigma small
- x = 0x03c3;
- break;
- case 0xd6: // Sigma capital
- x = 0x03a3;
- break;
- case 0xf8: // Tau small
- x = 0x03c4;
- break;
- case 0xd8: // Tau capital
- x = 0x03a4;
- break;
- case 0xf9: // Upsilon small
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0xd9: // Upsilon capital
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- break;
- case 0xfa: // Phi small
- x = 0x03c6;
- break;
- case 0xda: // Phi capital
- x = 0x03a6;
- break;
- case 0xfb: // Chi small
- x = 0x03c7;
- break;
- case 0xdb: // Chi capital
- x = 0x03a7;
- break;
- case 0xfc: // Psi small
- x = 0x03c8;
- break;
- case 0xdc: // Psi capital
- x = 0x03a8;
- break;
- case 0xfd: // Omega small
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- case 0xdd: // Omega capital
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- 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++]=0xa2; out[k++]=0xe1; break;
- case 0x03b1 : out[k++]=0xe1; break;
- case 0x0386 : out[k++]=0xa2; out[k++]=0xc1; break;
- case 0x0391 : out[k++]=0xc1; break;
- case 0x03b2 : out[k++]=0xe2; break;
- case 0x0392 : out[k++]=0xc2; break;
- case 0x03b3 : out[k++]=0xe4; break;
- case 0x0393 : out[k++]=0xc4; break;
- case 0x03b4 : out[k++]=0xe5; break;
- case 0x0394 : out[k++]=0xc5; break;
- case 0x03ad : out[k++]=0xa2; out[k++]=0xe6; break;
- case 0x03b5 : out[k++]=0xe6; break;
- case 0x0388 : out[k++]=0xa2; out[k++]=0xc6; break;
- case 0x0395 : out[k++]=0xc6; break;
- case 0x03b6 : out[k++]=0xe9; break;
- case 0x0396 : out[k++]=0xc9; break;
- case 0x03ae : out[k++]=0xa2; out[k++]=0xea; break;
- case 0x03b7 : out[k++]=0xea; break;
- case 0x0389 : out[k++]=0xa2; out[k++]=0xca; break;
- case 0x0397 : out[k++]=0xca; break;
- case 0x03b8 : out[k++]=0xeb; break;
- case 0x0398 : out[k++]=0xcb; break;
- case 0x0390 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03af : out[k++]=0xa2; out[k++]=0xec; break;
- case 0x03ca : out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03b9 : out[k++]=0xec; break;
- case 0x038a : out[k++]=0xa2; out[k++]=0xcc; break;
- case 0x03aa : out[k++]=0xa3; out[k++]=0xcc; break;
- case 0x0399 : out[k++]=0xcc; break;
- case 0x03ba : out[k++]=0xed; break;
- case 0x039a : out[k++]=0xcd; break;
- case 0x03bb : out[k++]=0xee; break;
- case 0x039b : out[k++]=0xce; break;
- case 0x03bc : out[k++]=0xef; break;
- case 0x039c : out[k++]=0xcf; break;
- case 0x03bd : out[k++]=0xf0; break;
- case 0x039d : out[k++]=0xd0; break;
- case 0x03be : out[k++]=0xf1; break;
- case 0x039e : out[k++]=0xd1; break;
- case 0x03cc : out[k++]=0xa2; out[k++]=0xf2; break;
- case 0x03bf : out[k++]=0xf2; break;
- case 0x038c : out[k++]=0xa2; out[k++]=0xd2; break;
- case 0x039f : out[k++]=0xd2; break;
- case 0x03c0 : out[k++]=0xf3; break;
- case 0x03a0 : out[k++]=0xd3; break;
- case 0x03c1 : out[k++]=0xf5; break;
- case 0x03a1 : out[k++]=0xd5; break;
- case 0x03c2 : out[k++]=0xf7; break;
- case 0x03c3 : out[k++]=0xf6; break;
- case 0x03a3 : out[k++]=0xd6; break;
- case 0x03c4 : out[k++]=0xf8; break;
- case 0x03a4 : out[k++]=0xd8; break;
- case 0x03b0 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03cd : out[k++]=0xa2; out[k++]=0xf9; break;
- case 0x03cb : out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03c5 : out[k++]=0xf9; break;
- case 0x038e : out[k++]=0xa2; out[k++]=0xd9; break;
- case 0x03ab : out[k++]=0xa3; out[k++]=0xd9; break;
- case 0x03a5 : out[k++]=0xd9; break;
- case 0x03c6 : out[k++]=0xfa; break;
- case 0x03a6 : out[k++]=0xda; break;
- case 0x03c7 : out[k++]=0xfb; break;
- case 0x03a7 : out[k++]=0xdb; break;
- case 0x03c8 : out[k++]=0xfc; break;
- case 0x03a8 : out[k++]=0xdc; break;
- case 0x03ce : out[k++]=0xa2; out[k++]=0xfd; break;
- case 0x03c9 : out[k++]=0xfd; break;
- case 0x038f : out[k++]=0xa2; out[k++]=0xdd; break;
- case 0x03a9 : out[k++]=0xdd; 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;
-}
-
-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 = 0x03aa;
- 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)
-{
- 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;
-}
-
-
-static unsigned long yaz_read_marc8_comb (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read,
- int *comb);